(function (window) {

(function (window) {
'use strict';

/*global define, module, exports, require */

var c3 = { version: "0.4.11-rc4" };

var c3_chart_fn,
c3_chart_internal_fn,
c3_chart_internal_axis_fn;

function API(owner) {
this.owner = owner;
}

function inherit(base, derived) {

if (Object.create) {
derived.prototype = Object.create(base.prototype);
} else {
var f = function f() {};
f.prototype = base.prototype;
derived.prototype = new f();
}

derived.prototype.constructor = derived;

return derived;
}

function Chart(config) {
var $$ = this.internal = new ChartInternal(this);
$$.loadConfig(config);

$$.beforeInit(config);
$$.init();
$$.afterInit(config);

// bind "this" to nested API
(function bindThis(fn, target, argThis) {
Object.keys(fn).forEach(function (key) {
target[key] = fn[key].bind(argThis);
if (Object.keys(fn[key]).length > 0) {
bindThis(fn[key], target[key], argThis);
}
});
})(c3_chart_fn, this, this);
}

function ChartInternal(api) {
var $$ = this;
$$.d3 = window.d3 ? window.d3 : typeof require !== 'undefined' ? require("d3") : undefined;
$$.api = api;
$$.config = $$.getDefaultConfig();
$$.data = {};
$$.cache = {};
$$.axes = {};
}

c3.generate = function (config) {
return new Chart(config);
};

c3.chart = {
fn: Chart.prototype,
internal: {
fn: ChartInternal.prototype,
axis: {
fn: Axis.prototype
}
}
};
c3_chart_fn = c3.chart.fn;
c3_chart_internal_fn = c3.chart.internal.fn;
c3_chart_internal_axis_fn = c3.chart.internal.axis.fn;

c3_chart_internal_fn.beforeInit = function () {
// can do something
};
c3_chart_internal_fn.afterInit = function () {
// can do something
};
c3_chart_internal_fn.init = function () {
var $$ = this, config = $$.config;

$$.initParams();

if (config.data_url) {
$$.convertUrlToData(config.data_url, config.data_mimeType, config.data_keys, $$.initWithData);
}
else if (config.data_json) {
$$.initWithData($$.convertJsonToData(config.data_json, config.data_keys));
}
else if (config.data_rows) {
$$.initWithData($$.convertRowsToData(config.data_rows));
}
else if (config.data_columns) {
$$.initWithData($$.convertColumnsToData(config.data_columns));
}
else {
throw Error('url or json or rows or columns is required.');
}
};

c3_chart_internal_fn.initParams = function () {
var $$ = this, d3 = $$.d3, config = $$.config;

// MEMO: clipId needs to be unique because it conflicts when multiple charts exist
$$.clipId = "c3-" + (+new Date()) + '-clip',
$$.clipIdForXAxis = $$.clipId + '-xaxis',
$$.clipIdForYAxis = $$.clipId + '-yaxis',
$$.clipIdForGrid = $$.clipId + '-grid',
$$.clipIdForSubchart = $$.clipId + '-subchart',
$$.clipPath = $$.getClipPath($$.clipId),
$$.clipPathForXAxis = "";//$$.getClipPath($$.clipIdForXAxis),
$$.clipPathForYAxis = "";//$$.getClipPath($$.clipIdForYAxis);
$$.clipPathForGrid = $$.getClipPath($$.clipIdForGrid),
$$.clipPathForSubchart = $$.getClipPath($$.clipIdForSubchart),

$$.dragStart = null;
$$.dragging = false;
$$.flowing = false;
$$.cancelClick = false;
$$.mouseover = false;
$$.transiting = false;

$$.color = $$.generateColor();
$$.levelColor = $$.generateLevelColor();

$$.dataTimeFormat = config.data_xLocaltime ? d3.time.format : d3.time.format.utc;
$$.axisTimeFormat = config.axis_x_localtime ? d3.time.format : d3.time.format.utc;
$$.defaultAxisTimeFormat = $$.axisTimeFormat.multi([
[".%L", function (d) { return d.getMilliseconds(); }],
[":%S", function (d) { return d.getSeconds(); }],
["%I:%M", function (d) { return d.getMinutes(); }],
["%I %p", function (d) { return d.getHours(); }],
["%-m/%-d", function (d) { return d.getDay() && d.getDate() !== 1; }],
["%-m/%-d", function (d) { return d.getDate() !== 1; }],
["%-m/%-d", function (d) { return d.getMonth(); }],
["%Y/%-m/%-d", function () { return true; }]
]);

$$.hiddenTargetIds = [];
$$.hiddenLegendIds = [];
$$.focusedTargetIds = [];
$$.defocusedTargetIds = [];

$$.xOrient = config.axis_rotated ? "left" : "bottom";
$$.yOrient = config.axis_rotated ? (config.axis_y_inner ? "top" : "bottom") : (config.axis_y_inner ? "right" : "left");
$$.y2Orient = config.axis_rotated ? (config.axis_y2_inner ? "bottom" : "top") : (config.axis_y2_inner ? "left" : "right");
$$.subXOrient = config.axis_rotated ? "left" : "bottom";

$$.isLegendRight = config.legend_position === 'right';
$$.isLegendInset = config.legend_position === 'inset';
$$.isLegendTop = config.legend_inset_anchor === 'top-left' || config.legend_inset_anchor === 'top-right';
$$.isLegendLeft = config.legend_inset_anchor === 'top-left' || config.legend_inset_anchor === 'bottom-left';
$$.legendStep = 0;
$$.legendItemWidth = 0;
$$.legendItemHeight = 0;

$$.currentMaxTickWidths = {
x: 0,
y: 0,
y2: 0
};

$$.rotated_padding_left = 30;
$$.rotated_padding_right = config.axis_rotated && !config.axis_x_show ? 0 : 30;
$$.rotated_padding_top = 5;

$$.withoutFadeIn = {};

$$.intervalForObserveInserted = undefined;

$$.axes.subx = d3.selectAll([]); // needs when excluding subchart.js
};

c3_chart_internal_fn.initChartElements = function () {
if (this.initBar) { this.initBar(); }
if (this.initLine) { this.initLine(); }
if (this.initArc) { this.initArc(); }
if (this.initGauge) { this.initGauge(); }
if (this.initText) { this.initText(); }
};

c3_chart_internal_fn.initWithData = function (data) {
var $$ = this, d3 = $$.d3, config = $$.config;
var defs, main, binding = true;

$$.axis = new Axis($$);

if ($$.initPie) { $$.initPie(); }
if ($$.initBrush) { $$.initBrush(); }
if ($$.initZoom) { $$.initZoom(); }

if (!config.bindto) {
$$.selectChart = d3.selectAll([]);
}
else if (typeof config.bindto.node === 'function') {
$$.selectChart = config.bindto;
}
else {
$$.selectChart = d3.select(config.bindto);
}
if ($$.selectChart.empty()) {
$$.selectChart = d3.select(document.createElement('div')).style('opacity', 0);
$$.observeInserted($$.selectChart);
binding = false;
}
$$.selectChart.html("").classed("c3", true);

// Init data as targets
$$.data.xs = {};
$$.data.targets = $$.convertDataToTargets(data);

if (config.data_filter) {
$$.data.targets = $$.data.targets.filter(config.data_filter);
}

// Set targets to hide if needed
if (config.data_hide) {
$$.addHiddenTargetIds(config.data_hide === true ? $$.mapToIds($$.data.targets) : config.data_hide);
}
if (config.legend_hide) {
$$.addHiddenLegendIds(config.legend_hide === true ? $$.mapToIds($$.data.targets) : config.legend_hide);
}

// when gauge, hide legend // TODO: fix
if ($$.hasType('gauge')) {
config.legend_show = false;
}

// Init sizes and scales
$$.updateSizes();
$$.updateScales();

// Set domains for each scale
var xd = $$.getXDomain($$.data.targets);
var yd = $$.getYDomain($$.data.targets, 'y');
c3_chart_fn.xd = function() { return xd };
c3_chart_fn.yd = function() { return yd };
c3_chart_fn.pl = function() { return $$.margin.left; };
c3_chart_fn.pb = function() { return $$.margin.bottom; };
$$.x.domain(d3.extent(xd));
$$.y.domain(yd);
$$.y2.domain($$.getYDomain($$.data.targets, 'y2'));
$$.subX.domain($$.x.domain());
$$.subY.domain($$.y.domain());
$$.subY2.domain($$.y2.domain());

// Save original x domain for zoom update
$$.orgXDomain = $$.x.domain();

// Set initialized scales to brush and zoom
if ($$.brush) { $$.brush.scale($$.subX); }
if (config.zoom_enabled) { $$.zoom.scale($$.x); }

/*-- Basic Elements --*/

// Define svgs
$$.svg = $$.selectChart.append("svg")
.style("overflow", "hidden")
.on('mouseenter', function () { return config.onmouseover.call($$); })
.on('mouseleave', function () { return config.onmouseout.call($$); });

if ($$.config.svg_classname) {
$$.svg.attr('class', $$.config.svg_classname);
}

//////////////////////////////////////////////////////////////////////
config.point_r = config.point_r * config.completeScale;
$$.svg[0][0].style.strokeWidth = config.completeScale;
//////////////////////////////////////////////////////////////////////

// Define defs
defs = $$.svg.append("defs");
$$.clipChart = $$.appendClip(defs, $$.clipId);
$$.clipXAxis = $$.appendClip(defs, $$.clipIdForXAxis);
$$.clipYAxis = $$.appendClip(defs, $$.clipIdForYAxis);
$$.clipGrid = $$.appendClip(defs, $$.clipIdForGrid);
$$.clipSubchart = $$.appendClip(defs, $$.clipIdForSubchart);
$$.updateSvgSize();

// Define regions
main = $$.main = $$.svg.append("g").attr("transform", $$.getTranslate('main'));

if ($$.initSubchart) { $$.initSubchart(); }
if ($$.initTooltip) { $$.initTooltip(); }
if ($$.initLegend) { $$.initLegend(); }
if ($$.initTitle) { $$.initTitle(); }

/*-- Main Region --*/

// text when empty
main.append("text")
.attr("class", CLASS.text + ' ' + CLASS.empty)
.attr("text-anchor", "middle") // horizontal centering of text at x position in all browsers.
.attr("dominant-baseline", "middle"); // vertical centering of text at y position in all browsers, except IE.

// Regions
$$.initRegion();

// Grids
$$.initGrid();

// Define g for chart area
main.append('g')
.attr("clip-path", $$.clipPath)
.attr('class', CLASS.chart);

// Grid lines
if (config.grid_lines_front) { $$.initGridLines(); }

// Cover whole with rects for events
$$.initEventRect();

// Define g for chart
$$.initChartElements();

// if zoom privileged, insert rect to forefront
// TODO: is this needed?
main.insert('rect', config.zoom_privileged ? null : 'g.' + CLASS.regions)
.attr('class', CLASS.zoomRect)
.attr('width', $$.width)
.attr('height', $$.height)
.style('opacity', 0)
.on("dblclick.zoom", null);

// Set default extent if defined
if (config.axis_x_extent) { $$.brush.extent($$.getDefaultExtent()); }

// Add Axis
$$.axis.init();

// Set targets
$$.updateTargets($$.data.targets);

// Draw with targets
if (binding) {
$$.updateDimension();
$$.config.oninit.call($$);
$$.redraw({
withTransition: false,
withTransform: true,
withUpdateXDomain: true,
withUpdateOrgXDomain: true,
withTransitionForAxis: false
});
}

// Bind resize event
$$.bindResize();

// export element of the chart
$$.api.element = $$.selectChart.node();
};

c3_chart_internal_fn.smoothLines = function (el, type) {
var $$ = this;
if (type === 'grid') {
el.each(function () {
var g = $$.d3.select(this),
x1 = g.attr('x1'),
x2 = g.attr('x2'),
y1 = g.attr('y1'),
y2 = g.attr('y2');
g.attr({
'x1': Math.ceil(x1),
'x2': Math.ceil(x2),
'y1': Math.ceil(y1),
'y2': Math.ceil(y2)
});
});
}
};

c3_chart_internal_fn.updateSizes = function () {
var $$ = this, config = $$.config;
var legendHeight = $$.legend ? $$.getLegendHeight() : 0,
legendWidth = $$.legend ? $$.getLegendWidth() : 0,
legendHeightForBottom = $$.isLegendRight || $$.isLegendInset ? 0 : legendHeight,
hasArc = $$.hasArcType(),
xAxisHeight = config.axis_rotated || hasArc ? 0 : $$.getHorizontalAxisHeight('x'),
subchartHeight = config.subchart_show && !hasArc ? (config.subchart_size_height + xAxisHeight) : 0;

$$.currentWidth = $$.getCurrentWidth();
$$.currentHeight = $$.getCurrentHeight();

// for main
$$.margin = config.axis_rotated ? {
top: $$.getHorizontalAxisHeight('y2') + $$.getCurrentPaddingTop(),
right: hasArc ? 0 : $$.getCurrentPaddingRight(),
bottom: $$.getHorizontalAxisHeight('y') + legendHeightForBottom + $$.getCurrentPaddingBottom(),
left: subchartHeight + (hasArc ? 0 : $$.getCurrentPaddingLeft())
} : {
top: 4 * config.completeScale + $$.getCurrentPaddingTop(), // for top tick text
right: hasArc ? 0 : $$.getCurrentPaddingRight(),
bottom: xAxisHeight + subchartHeight + legendHeightForBottom + $$.getCurrentPaddingBottom(),
left: hasArc ? 0 : $$.getCurrentPaddingLeft()
};

// for subchart
$$.margin2 = config.axis_rotated ? {
top: $$.margin.top,
right: NaN,
bottom: 20 * config.completeScale + legendHeightForBottom,
left: $$.rotated_padding_left
} : {
top: $$.currentHeight - subchartHeight - legendHeightForBottom,
right: NaN,
bottom: xAxisHeight + legendHeightForBottom,
left: $$.margin.left
};

// for legend
$$.margin3 = {
top: 0,
right: NaN,
bottom: 0,
left: 0
};
if ($$.updateSizeForLegend) { $$.updateSizeForLegend(legendHeight, legendWidth); }

$$.width = $$.currentWidth - $$.margin.left - $$.margin.right;
$$.height = $$.currentHeight - $$.margin.top - $$.margin.bottom;
if ($$.width <= 0) { $$.width = 1; }
if ($$.height <= 0) { $$.height = 1; }

$$.width2 = config.axis_rotated ? $$.margin.left - $$.rotated_padding_left - $$.rotated_padding_right : $$.width;
$$.height2 = config.axis_rotated ? $$.height : $$.currentHeight - $$.margin2.top - $$.margin2.bottom;
if ($$.width2 < 0) { $$.width2 = 0; }
if ($$.height2 < 0) { $$.height2 = 0; }

// for arc
$$.arcWidth = $$.width - ($$.isLegendRight ? legendWidth + 10 : 0);
$$.arcHeight = $$.height - ($$.isLegendRight ? 0 : 10);
if ($$.hasType('gauge')) {
$$.arcHeight += $$.height - $$.getGaugeLabelHeight();
}
if ($$.updateRadius) { $$.updateRadius(); }

if ($$.isLegendRight && hasArc) {
$$.margin3.left = $$.arcWidth / 2 + $$.radiusExpanded * 1.1;
}
};

c3_chart_internal_fn.updateTargets = function (targets) {
var $$ = this;

/*-- Main --*/

//-- Text --//
$$.updateTargetsForText(targets);

//-- Bar --//
$$.updateTargetsForBar(targets);

//-- Line --//
$$.updateTargetsForLine(targets);

//-- Arc --//
if ($$.hasArcType() && $$.updateTargetsForArc) { $$.updateTargetsForArc(targets); }

/*-- Sub --*/

if ($$.updateTargetsForSubchart) { $$.updateTargetsForSubchart(targets); }

// Fade-in each chart
$$.showTargets();
};
c3_chart_internal_fn.showTargets = function () {
var $$ = this;
$$.svg.selectAll('.' + CLASS.target).filter(function (d) { return $$.isTargetToShow(d.id); })
.transition().duration($$.config.transition_duration)
.style("opacity", 1);
};

c3_chart_internal_fn.redraw = function (options, transitions) {
var $$ = this, main = $$.main, d3 = $$.d3, config = $$.config;
var areaIndices = $$.getShapeIndices($$.isAreaType), barIndices = $$.getShapeIndices($$.isBarType), lineIndices = $$.getShapeIndices($$.isLineType);
var withY, withSubchart, withTransition, withTransitionForExit, withTransitionForAxis,
withTransform, withUpdateXDomain, withUpdateOrgXDomain, withTrimXDomain, withLegend,
withEventRect, withDimension, withUpdateXAxis;
var hideAxis = $$.hasArcType();
var drawArea, drawBar, drawLine, xForText, yForText;
var duration, durationForExit, durationForAxis;
var waitForDraw, flow;
var targetsToShow = $$.filterTargetsToShow($$.data.targets), tickValues, i, intervalForCulling, xDomainForZoom;
var xv = $$.xv.bind($$), cx, cy;

options = options || {};
withY = getOption(options, "withY", true);
withSubchart = getOption(options, "withSubchart", true);
withTransition = getOption(options, "withTransition", true);
withTransform = getOption(options, "withTransform", false);
withUpdateXDomain = getOption(options, "withUpdateXDomain", false);
withUpdateOrgXDomain = getOption(options, "withUpdateOrgXDomain", false);
withTrimXDomain = getOption(options, "withTrimXDomain", true);
withUpdateXAxis = getOption(options, "withUpdateXAxis", withUpdateXDomain);
withLegend = getOption(options, "withLegend", false);
withEventRect = getOption(options, "withEventRect", true);
withDimension = getOption(options, "withDimension", true);
withTransitionForExit = getOption(options, "withTransitionForExit", withTransition);
withTransitionForAxis = getOption(options, "withTransitionForAxis", withTransition);

duration = withTransition ? config.transition_duration : 0;
durationForExit = withTransitionForExit ? duration : 0;
durationForAxis = withTransitionForAxis ? duration : 0;

transitions = transitions || $$.axis.generateTransitions(durationForAxis);

// update legend and transform each g
if (withLegend && config.legend_show) {
$$.updateLegend($$.mapToIds($$.data.targets), options, transitions);
} else if (withDimension) {
// need to update dimension (e.g. axis.y.tick.values) because y tick values should change
// no need to update axis in it because they will be updated in redraw()
$$.updateDimension(true);
}

// MEMO: needed for grids calculation
if ($$.isCategorized() && targetsToShow.length === 0) {
$$.x.domain([0, $$.axes.x.selectAll('.tick').size()]);
}

if (targetsToShow.length) {
$$.updateXDomain(targetsToShow, withUpdateXDomain, withUpdateOrgXDomain, withTrimXDomain);
if (!config.axis_x_tick_values) {
tickValues = $$.axis.updateXAxisTickValues(targetsToShow);
}
} else {
$$.xAxis.tickValues([]);
$$.subXAxis.tickValues([]);
}

if (config.zoom_rescale && !options.flow) {
xDomainForZoom = $$.x.orgDomain();
}

$$.y.domain($$.getYDomain(targetsToShow, 'y', xDomainForZoom));
$$.y2.domain($$.getYDomain(targetsToShow, 'y2', xDomainForZoom));

if (!config.axis_y_tick_values && config.axis_y_tick_count) {
$$.yAxis.tickValues($$.axis.generateTickValues($$.y.domain(), config.axis_y_tick_count));
}
if (!config.axis_y2_tick_values && config.axis_y2_tick_count) {
$$.y2Axis.tickValues($$.axis.generateTickValues($$.y2.domain(), config.axis_y2_tick_count));
}

// axes
$$.axis.redraw(transitions, hideAxis);

// Update axis label
$$.axis.updateLabels(withTransition);

// show/hide if manual culling needed
if ((withUpdateXDomain || withUpdateXAxis) && targetsToShow.length) {
if (config.axis_x_tick_culling && tickValues) {
for (i = 1; i < tickValues.length; i++) {
if (tickValues.length / i < config.axis_x_tick_culling_max) {
intervalForCulling = i;
break;
}
}
$$.svg.selectAll('.' + CLASS.axisX + ' .tick text').each(function (e) {
var index = tickValues.indexOf(e);
if (index >= 0) {
d3.select(this).style('display', index % intervalForCulling ? 'none' : 'block');
}
});
} else {
$$.svg.selectAll('.' + CLASS.axisX + ' .tick text').style('display', 'block');
}
}

// setup drawer - MEMO: these must be called after axis updated
drawArea = $$.generateDrawArea ? $$.generateDrawArea(areaIndices, false) : undefined;
drawBar = $$.generateDrawBar ? $$.generateDrawBar(barIndices) : undefined;
drawLine = $$.generateDrawLine ? $$.generateDrawLine(lineIndices, false) : undefined;
xForText = $$.generateXYForText(areaIndices, barIndices, lineIndices, true);
yForText = $$.generateXYForText(areaIndices, barIndices, lineIndices, false);

// Update sub domain
if (withY) {
$$.subY.domain($$.getYDomain(targetsToShow, 'y'));
$$.subY2.domain($$.getYDomain(targetsToShow, 'y2'));
}

// xgrid focus
$$.updateXgridFocus();

// Data empty label positioning and text.
main.select("text." + CLASS.text + '.' + CLASS.empty)
.attr("x", $$.width / 2)
.attr("y", $$.height / 2)
.text(config.data_empty_label_text)
.transition()
.style('opacity', targetsToShow.length ? 0 : 1);

// grid
$$.updateGrid(duration);

// rect for regions
$$.updateRegion(duration);

// bars
$$.updateBar(durationForExit);

// lines, areas and cricles
$$.updateLine(durationForExit);
$$.updateArea(durationForExit);
$$.updateCircle();

// text
if ($$.hasDataLabel()) {
$$.updateText(durationForExit);
}

// title
if ($$.redrawTitle) { $$.redrawTitle(); }

// arc
if ($$.redrawArc) { $$.redrawArc(duration, durationForExit, withTransform); }

// subchart
if ($$.redrawSubchart) {
$$.redrawSubchart(withSubchart, transitions, duration, durationForExit, areaIndices, barIndices, lineIndices);
}

// circles for select
main.selectAll('.' + CLASS.selectedCircles)
.filter($$.isBarType.bind($$))
.selectAll('circle')
.remove();

// event rects will redrawn when flow called
if (config.interaction_enabled && !options.flow && withEventRect) {
$$.redrawEventRect();
if ($$.updateZoom) { $$.updateZoom(); }
}

// update circleY based on updated parameters
$$.updateCircleY();

// generate circle x/y functions depending on updated params
cx = ($$.config.axis_rotated ? $$.circleY : $$.circleX).bind($$);
cy = ($$.config.axis_rotated ? $$.circleX : $$.circleY).bind($$);

if (options.flow) {
flow = $$.generateFlow({
targets: targetsToShow,
flow: options.flow,
duration: options.flow.duration,
drawBar: drawBar,
drawLine: drawLine,
drawArea: drawArea,
cx: cx,
cy: cy,
xv: xv,
xForText: xForText,
yForText: yForText
});
}

if ((duration || flow) && $$.isTabVisible()) { // Only use transition if tab visible. See #938.
// transition should be derived from one transition
d3.transition().duration(duration).each(function () {
var transitionsToWait = [];

// redraw and gather transitions
[
$$.redrawBar(drawBar, true),
$$.redrawLine(drawLine, true),
$$.redrawArea(drawArea, true),
$$.redrawCircle(cx, cy, true),
$$.redrawText(xForText, yForText, options.flow, true),
$$.redrawRegion(true),
$$.redrawGrid(true),
].forEach(function (transitions) {
transitions.forEach(function (transition) {
transitionsToWait.push(transition);
});
});

// Wait for end of transitions to call flow and onrendered callback
waitForDraw = $$.generateWait();
transitionsToWait.forEach(function (t) {
waitForDraw.add(t);
});
})
.call(waitForDraw, function () {
if (flow) {
flow();
}
if (config.onrendered) {
config.onrendered.call($$);
}
});
}
else {
$$.redrawBar(drawBar);
$$.redrawLine(drawLine);
$$.redrawArea(drawArea);
$$.redrawCircle(cx, cy);
$$.redrawText(xForText, yForText, options.flow);
$$.redrawRegion();
$$.redrawGrid();
if (config.onrendered) {
config.onrendered.call($$);
}
}

// update fadein condition
$$.mapToIds($$.data.targets).forEach(function (id) {
$$.withoutFadeIn[id] = true;
});
};

c3_chart_internal_fn.updateAndRedraw = function (options) {
var $$ = this, config = $$.config, transitions;
options = options || {};
// same with redraw
options.withTransition = getOption(options, "withTransition", true);
options.withTransform = getOption(options, "withTransform", false);
options.withLegend = getOption(options, "withLegend", false);
// NOT same with redraw
options.withUpdateXDomain = true;
options.withUpdateOrgXDomain = true;
options.withTransitionForExit = false;
options.withTransitionForTransform = getOption(options, "withTransitionForTransform", options.withTransition);
// MEMO: this needs to be called before updateLegend and it means this ALWAYS needs to be called)
$$.updateSizes();
// MEMO: called in updateLegend in redraw if withLegend
if (!(options.withLegend && config.legend_show)) {
transitions = $$.axis.generateTransitions(options.withTransitionForAxis ? config.transition_duration : 0);
// Update scales
$$.updateScales();
$$.updateSvgSize();
// Update g positions
$$.transformAll(options.withTransitionForTransform, transitions);
}
// Draw with new sizes & scales
$$.redraw(options, transitions);
};
c3_chart_internal_fn.redrawWithoutRescale = function () {
this.redraw({
withY: false,
withSubchart: false,
withEventRect: false,
withTransitionForAxis: false
});
};

c3_chart_internal_fn.isTimeSeries = function () {
return this.config.axis_x_type === 'timeseries';
};
c3_chart_internal_fn.isCategorized = function () {
return this.config.axis_x_type.indexOf('categor') >= 0;
};
c3_chart_internal_fn.isCustomX = function () {
var $$ = this, config = $$.config;
return !$$.isTimeSeries() && (config.data_x || notEmpty(config.data_xs));
};

c3_chart_internal_fn.isTimeSeriesY = function () {
return this.config.axis_y_type === 'timeseries';
};

c3_chart_internal_fn.getTranslate = function (target) {
var $$ = this, config = $$.config, x, y;
if (target === 'main') {
x = asHalfPixel($$.margin.left);
y = asHalfPixel($$.margin.top);
} else if (target === 'context') {
x = asHalfPixel($$.margin2.left);
y = asHalfPixel($$.margin2.top);
} else if (target === 'legend') {
x = $$.margin3.left;
y = $$.margin3.top;
} else if (target === 'x') {
x = 0;
y = config.axis_rotated ? 0 : $$.height;
} else if (target === 'y') {
x = 0;
y = config.axis_rotated ? $$.height : 0;
} else if (target === 'y2') {
x = config.axis_rotated ? 0 : $$.width;
y = config.axis_rotated ? 1 : 0;
} else if (target === 'subx') {
x = 0;
y = config.axis_rotated ? 0 : $$.height2;
} else if (target === 'arc') {
x = $$.arcWidth / 2;
y = $$.arcHeight / 2;
}
return "translate(" + x + "," + y + ")";
};
c3_chart_internal_fn.initialOpacity = function (d) {
return d.value !== null && this.withoutFadeIn[d.id] ? 1 : 0;
};
c3_chart_internal_fn.initialOpacityForCircle = function (d) {
return d.value !== null && this.withoutFadeIn[d.id] ? this.opacityForCircle(d) : 0;
};
c3_chart_internal_fn.opacityForCircle = function (d) {
var opacity = this.config.point_show ? 1 : 0;
return isValue(d.value) ? (this.isScatterType(d) ? 0.5 : opacity) : 0;
};
c3_chart_internal_fn.opacityForText = function () {
return this.hasDataLabel() ? 1 : 0;
};
c3_chart_internal_fn.xx = function (d) {
return d ? this.x(d.x) : null;
};
c3_chart_internal_fn.xv = function (d) {
var $$ = this, value = d.value;
if ($$.isTimeSeries()) {
value = $$.parseDate(d.value);
}
else if ($$.isCategorized() && typeof d.value === 'string') {
value = $$.config.axis_x_categories.indexOf(d.value);
}
return Math.ceil($$.x(value));
};
c3_chart_internal_fn.yv = function (d) {
var $$ = this,
yScale = d.axis && d.axis === 'y2' ? $$.y2 : $$.y;
return Math.ceil(yScale(d.value));
};
c3_chart_internal_fn.subxx = function (d) {
return d ? this.subX(d.x) : null;
};

c3_chart_internal_fn.transformMain = function (withTransition, transitions) {
var $$ = this,
xAxis, yAxis, y2Axis;
if (transitions && transitions.axisX) {
xAxis = transitions.axisX;
} else {
xAxis = $$.main.select('.' + CLASS.axisX);
if (withTransition) { xAxis = xAxis.transition(); }
}
if (transitions && transitions.axisY) {
yAxis = transitions.axisY;
} else {
yAxis = $$.main.select('.' + CLASS.axisY);
if (withTransition) { yAxis = yAxis.transition(); }
}
if (transitions && transitions.axisY2) {
y2Axis = transitions.axisY2;
} else {
y2Axis = $$.main.select('.' + CLASS.axisY2);
if (withTransition) { y2Axis = y2Axis.transition(); }
}
(withTransition ? $$.main.transition() : $$.main).attr("transform", $$.getTranslate('main'));
xAxis.attr("transform", $$.getTranslate('x'));
yAxis.attr("transform", $$.getTranslate('y'));
y2Axis.attr("transform", $$.getTranslate('y2'));
$$.main.select('.' + CLASS.chartArcs).attr("transform", $$.getTranslate('arc'));
};
c3_chart_internal_fn.transformAll = function (withTransition, transitions) {
var $$ = this;
$$.transformMain(withTransition, transitions);
if ($$.config.subchart_show) { $$.transformContext(withTransition, transitions); }
if ($$.legend) { $$.transformLegend(withTransition); }
};

c3_chart_internal_fn.updateSvgSize = function () {
var $$ = this,
brush = $$.svg.select(".c3-brush .background");
$$.svg.attr('width', $$.currentWidth).attr('height', $$.currentHeight);
$$.svg.selectAll(['#' + $$.clipId, '#' + $$.clipIdForGrid]).select('rect')
.attr('width', $$.width)
.attr('height', $$.height);
$$.svg.select('#' + $$.clipIdForXAxis).select('rect')
.attr('x', $$.getXAxisClipX.bind($$))
.attr('y', $$.getXAxisClipY.bind($$))
.attr('width', $$.getXAxisClipWidth.bind($$))
.attr('height', $$.getXAxisClipHeight.bind($$));
$$.svg.select('#' + $$.clipIdForYAxis).select('rect')
.attr('x', $$.getYAxisClipX.bind($$))
.attr('y', $$.getYAxisClipY.bind($$))
.attr('width', $$.getYAxisClipWidth.bind($$))
.attr('height', $$.getYAxisClipHeight.bind($$));
$$.svg.select('#' + $$.clipIdForSubchart).select('rect')
.attr('width', $$.width)
.attr('height', brush.size() ? brush.attr('height') : 0);
$$.svg.select('.' + CLASS.zoomRect)
.attr('width', $$.width)
.attr('height', $$.height);
// MEMO: parent div's height will be bigger than svg when <!DOCTYPE html>
$$.selectChart.style('max-height', $$.currentHeight + "px");
};

c3_chart_internal_fn.updateDimension = function (withoutAxis) {
var $$ = this;
if (!withoutAxis) {
if ($$.config.axis_rotated) {
$$.axes.x.call($$.xAxis);
$$.axes.subx.call($$.subXAxis);
} else {
$$.axes.y.call($$.yAxis);
$$.axes.y2.call($$.y2Axis);
}
}
$$.updateSizes();
$$.updateScales();
$$.updateSvgSize();
$$.transformAll(false);
};

c3_chart_internal_fn.observeInserted = function (selection) {
var $$ = this, observer;
if (typeof MutationObserver === 'undefined') {
window.console.error("MutationObserver not defined.");
return;
}
observer= new MutationObserver(function (mutations) {
mutations.forEach(function (mutation) {
if (mutation.type === 'childList' && mutation.previousSibling) {
observer.disconnect();
// need to wait for completion of load because size calculation requires the actual sizes determined after that completion
$$.intervalForObserveInserted = window.setInterval(function () {
// parentNode will NOT be null when completed
if (selection.node().parentNode) {
window.clearInterval($$.intervalForObserveInserted);
$$.updateDimension();
if ($$.brush) { $$.brush.update(); }
$$.config.oninit.call($$);
$$.redraw({
withTransform: true,
withUpdateXDomain: true,
withUpdateOrgXDomain: true,
withTransition: false,
withTransitionForTransform: false,
withLegend: true
});
selection.transition().style('opacity', 1);
}
}, 10);
}
});
});
observer.observe(selection.node(), {attributes: true, childList: true, characterData: true});
};

c3_chart_internal_fn.bindResize = function () {
var $$ = this, config = $$.config;

$$.resizeFunction = $$.generateResize();

$$.resizeFunction.add(function () {
config.onresize.call($$);
});
if (config.resize_auto) {
$$.resizeFunction.add(function () {
if ($$.resizeTimeout !== undefined) {
window.clearTimeout($$.resizeTimeout);
}
$$.resizeTimeout = window.setTimeout(function () {
delete $$.resizeTimeout;
$$.api.flush();
}, 100);
});
}
$$.resizeFunction.add(function () {
config.onresized.call($$);
});

if (window.attachEvent) {
window.attachEvent('onresize', $$.resizeFunction);
} else if (window.addEventListener) {
window.addEventListener('resize', $$.resizeFunction, false);
} else {
// fallback to this, if this is a very old browser
var wrapper = window.onresize;
if (!wrapper) {
// create a wrapper that will call all charts
wrapper = $$.generateResize();
} else if (!wrapper.add || !wrapper.remove) {
// there is already a handler registered, make sure we call it too
wrapper = $$.generateResize();
wrapper.add(window.onresize);
}
// add this graph to the wrapper, we will be removed if the user calls destroy
wrapper.add($$.resizeFunction);
window.onresize = wrapper;
}
};

c3_chart_internal_fn.generateResize = function () {
var resizeFunctions = [];
function callResizeFunctions() {
resizeFunctions.forEach(function (f) {
f();
});
}
callResizeFunctions.add = function (f) {
resizeFunctions.push(f);
};
callResizeFunctions.remove = function (f) {
for (var i = 0; i < resizeFunctions.length; i++) {
if (resizeFunctions[i] === f) {
resizeFunctions.splice(i, 1);
break;
}
}
};
return callResizeFunctions;
};

c3_chart_internal_fn.endall = function (transition, callback) {
var n = 0;
transition
.each(function () { ++n; })
.each("end", function () {
if (!--n) { callback.apply(this, arguments); }
});
};
c3_chart_internal_fn.generateWait = function () {
var transitionsToWait = [],
f = function (transition, callback) {
var timer = setInterval(function () {
var done = 0;
transitionsToWait.forEach(function (t) {
if (t.empty()) {
done += 1;
return;
}
try {
t.transition();
} catch (e) {
done += 1;
}
});
if (done === transitionsToWait.length) {
clearInterval(timer);
if (callback) { callback(); }
}
}, 10);
};
f.add = function (transition) {
transitionsToWait.push(transition);
};
return f;
};

c3_chart_internal_fn.parseDate = function (date) {
function replaceAll(str, s, r) {
return str.split(s).join(r);
}

var $$ = this, parsedDate;
if (date instanceof Date) {
parsedDate = date;
} else if (typeof date === 'string') {
parsedDate = $$.dataTimeFormat($$.config.data_xFormat).parse(date);
} else if (typeof date === 'number' && !isNaN(date)) {
parsedDate = new Date(+date);
}
if (!parsedDate || isNaN(+parsedDate)) {
//second try
parsedDate = new Date(replaceAll(date, "-", "/"));

if (!parsedDate || isNaN(+parsedDate)) {
window.console.error("Failed to parse x '" + date + "' to Date object");
}
}
return parsedDate;
};

c3_chart_internal_fn.isTabVisible = function () {
var hidden;
if (typeof document.hidden !== "undefined") { // Opera 12.10 and Firefox 18 and later support
hidden = "hidden";
} else if (typeof document.mozHidden !== "undefined") {
hidden = "mozHidden";
} else if (typeof document.msHidden !== "undefined") {
hidden = "msHidden";
} else if (typeof document.webkitHidden !== "undefined") {
hidden = "webkitHidden";
}

return document[hidden] ? false : true;
};

c3_chart_internal_fn.getDefaultConfig = function () {
var config = {
bindto: '#chart',
svg_classname: undefined,
completeScale: 1.0,
noxticks: false,
noyticks: false,
size_width: undefined,
size_height: undefined,
padding_left: undefined,
padding_right: undefined,
padding_top: undefined,
padding_bottom: undefined,
resize_auto: false,
innerTickSize: 3,
zoom_enabled: false,
zoom_extent: undefined,
zoom_privileged: false,
zoom_rescale: false,
zoom_onzoom: function () {},
zoom_onzoomstart: function () {},
zoom_onzoomend: function () {},
zoom_x_min: undefined,
zoom_x_max: undefined,
interaction_enabled: true,
onmouseover: function () {},
onmouseout: function () {},
onresize: function () {},
onresized: function () {},
oninit: function () {},
onrendered: function () {},
transition_duration: 0,
data_x: undefined,
data_xs: {},
data_xFormat: '%Y-%m-%d',
data_xLocaltime: true,
data_xSort: true,
data_idConverter: function (id) { return id; },
data_names: {},
data_classes: {},
data_groups: [],
data_axes: {},
data_type: undefined,
data_types: {},
data_labels: {},
data_order: 'desc',
data_regions: {},
data_color: undefined,
data_colors: {},
data_hide: false,
data_filter: undefined,
data_selection_enabled: false,
data_selection_grouped: false,
data_selection_isselectable: function () { return true; },
data_selection_multiple: true,
data_selection_draggable: false,
data_onclick: function () {},
data_onmouseover: function () {},
data_onmouseout: function () {},
data_onselected: function () {},
data_onunselected: function () {},
data_url: undefined,
data_json: undefined,
data_rows: undefined,
data_columns: undefined,
data_mimeType: undefined,
data_keys: undefined,
// configuration for no plot-able data supplied.
data_empty_label_text: "",
// subchart
subchart_show: false,
subchart_size_height: 60,
subchart_axis_x_show: true,
subchart_onbrush: function () {},
// color
color_pattern: [],
color_threshold: {},
// legend
legend_show: true,
legend_hide: false,
legend_position: 'bottom',
legend_inset_anchor: 'top-left',
legend_inset_x: 10,
legend_inset_y: 0,
legend_inset_step: undefined,
legend_item_onclick: undefined,
legend_item_onmouseover: undefined,
legend_item_onmouseout: undefined,
legend_equally: false,
legend_padding: 0,
legend_item_tile_width: 10,
legend_item_tile_height: 10,
// axis
axis_rotated: false,
axis_x_show: true,
axis_x_type: 'indexed',
axis_x_localtime: true,
axis_x_categories: [],
axis_x_tick_centered: false,
axis_x_tick_format: undefined,
axis_x_tick_culling: {},
axis_x_tick_culling_max: 10,
axis_x_tick_count: undefined,
axis_x_tick_fit: true,
axis_x_tick_values: null,
axis_x_tick_rotate: 0,
axis_x_tick_outer: true,
axis_x_tick_multiline: false,
axis_x_tick_width: null,
axis_x_max: undefined,
axis_x_min: undefined,
axis_x_padding: {},
axis_x_height: undefined,
axis_x_extent: undefined,
axis_x_label: {},
axis_y_show: true,
axis_y_type: undefined,
axis_y_max: undefined,
axis_y_min: undefined,
axis_y_inverted: false,
axis_y_center: undefined,
axis_y_inner: undefined,
axis_y_label: {},
axis_y_tick_format: undefined,
axis_y_tick_outer: true,
axis_y_tick_values: null,
axis_y_tick_count: undefined,
axis_y_tick_time_value: undefined,
axis_y_tick_time_interval: undefined,
axis_y_padding: {},
axis_y_default: undefined,
axis_y2_show: false,
axis_y2_max: undefined,
axis_y2_min: undefined,
axis_y2_inverted: false,
axis_y2_center: undefined,
axis_y2_inner: undefined,
axis_y2_label: {},
axis_y2_tick_format: undefined,
axis_y2_tick_outer: true,
axis_y2_tick_values: null,
axis_y2_tick_count: undefined,
axis_y2_padding: {},
axis_y2_default: undefined,
// grid
grid_x_show: false,
grid_x_type: 'tick',
grid_x_lines: [],
grid_y_show: false,
// not used
// grid_y_type: 'tick',
grid_y_lines: [],
grid_y_ticks: 10,
grid_focus_show: true,
grid_lines_front: true,
// point - point of each data
point_show: true,
point_r: 2.5,
point_sensitivity: 10,
point_focus_expand_enabled: true,
point_focus_expand_r: undefined,
point_select_r: undefined,
// line
line_connectNull: false,
line_step_type: 'step',
// bar
bar_width: undefined,
bar_width_ratio: 0.6,
bar_width_max: undefined,
bar_zerobased: true,
// area
area_zerobased: true,
// pie
pie_label_show: true,
pie_label_format: undefined,
pie_label_threshold: 0.05,
pie_expand: {},
pie_expand_duration: 50,
// gauge
gauge_label_show: true,
gauge_label_format: undefined,
gauge_min: 0,
gauge_max: 100,
gauge_units: undefined,
gauge_width: undefined,
gauge_expand: {},
gauge_expand_duration: 50,
// donut
donut_label_show: true,
donut_label_format: undefined,
donut_label_threshold: 0.05,
donut_width: undefined,
donut_title: "",
donut_expand: {},
donut_expand_duration: 50,
// spline
spline_interpolation_type: 'cardinal',
// region - region to change style
regions: [],
// tooltip - show when mouseover on each data
tooltip_show: true,
tooltip_grouped: true,
tooltip_format_title: undefined,
tooltip_format_name: undefined,
tooltip_format_value: undefined,
tooltip_position: undefined,
tooltip_contents: function (d, defaultTitleFormat, defaultValueFormat, color) {
return this.getTooltipContent ? this.getTooltipContent(d, defaultTitleFormat, defaultValueFormat, color) : '';
},
tooltip_init_show: false,
tooltip_init_x: 0,
tooltip_init_position: {top: '0px', left: '50px'},
tooltip_onshow: function () {},
tooltip_onhide: function () {},
// title
title_text: undefined,
title_padding: {
top: 0,
right: 0,
bottom: 0,
left: 0
},
title_position: 'top-center',
};

Object.keys(this.additionalConfig).forEach(function (key) {
config[key] = this.additionalConfig[key];
}, this);

return config;
};
c3_chart_internal_fn.additionalConfig = {};

c3_chart_internal_fn.loadConfig = function (config) {
var this_config = this.config, target, keys, read;
function find() {
var key = keys.shift();
// console.log("key =>", key, ", target =>", target);
if (key && target && typeof target === 'object' && key in target) {
target = target[key];
return find();
}
else if (!key) {
return target;
}
else {
return undefined;
}
}
Object.keys(this_config).forEach(function (key) {
target = config;
keys = key.split('_');
read = find();
// console.log("CONFIG : ", key, read);
if (isDefined(read)) {
this_config[key] = read;
}
});
};

c3_chart_internal_fn.getScale = function (min, max, forTimeseries) {
return (forTimeseries ? this.d3.time.scale() : this.d3.scale.linear()).range([min, max]);
};
c3_chart_internal_fn.getX = function (min, max, domain, offset) {
var $$ = this,
scale = $$.getScale(min, max, $$.isTimeSeries()),
_scale = domain ? scale.domain(domain) : scale, key;
// Define customized scale if categorized axis
if ($$.isCategorized()) {
offset = offset || function () { return 0; };
scale = function (d, raw) {
var v = _scale(d) + offset(d);
return raw ? v : Math.ceil(v);
};
} else {
scale = function (d, raw) {
var v = _scale(d);
return raw ? v : Math.ceil(v);
};
}
// define functions
for (key in _scale) {
scale[key] = _scale[key];
}
scale.orgDomain = function () {
return _scale.domain();
};
// define custom domain() for categorized axis
if ($$.isCategorized()) {
scale.domain = function (domain) {
if (!arguments.length) {
domain = this.orgDomain();
return [domain[0], domain[1] + 1];
}
_scale.domain(domain);
return scale;
};
}
return scale;
};
c3_chart_internal_fn.getY = function (min, max, domain) {
var scale = this.getScale(min, max, this.isTimeSeriesY());
if (domain) { scale.domain(domain); }
return scale;
};
c3_chart_internal_fn.getYScale = function (id) {
return this.axis.getId(id) === 'y2' ? this.y2 : this.y;
};
c3_chart_internal_fn.getSubYScale = function (id) {
return this.axis.getId(id) === 'y2' ? this.subY2 : this.subY;
};
c3_chart_internal_fn.updateScales = function () {
var $$ = this, config = $$.config,
forInit = !$$.x;
// update edges
$$.xMin = config.axis_rotated ? 1 : 0;
$$.xMax = config.axis_rotated ? $$.height : $$.width;
$$.yMin = config.axis_rotated ? 0 : $$.height;
$$.yMax = config.axis_rotated ? $$.width : 1;
$$.subXMin = $$.xMin;
$$.subXMax = $$.xMax;
$$.subYMin = config.axis_rotated ? 0 : $$.height2;
$$.subYMax = config.axis_rotated ? $$.width2 : 1;
// update scales
$$.x = $$.getX($$.xMin, $$.xMax, forInit ? undefined : $$.x.orgDomain(), function () { return $$.xAxis.tickOffset(); });
$$.y = $$.getY($$.yMin, $$.yMax, forInit ? config.axis_y_default : $$.y.domain());
$$.y2 = $$.getY($$.yMin, $$.yMax, forInit ? config.axis_y2_default : $$.y2.domain());
$$.subX = $$.getX($$.xMin, $$.xMax, $$.orgXDomain, function (d) { return d % 1 ? 0 : $$.subXAxis.tickOffset(); });
$$.subY = $$.getY($$.subYMin, $$.subYMax, forInit ? config.axis_y_default : $$.subY.domain());
$$.subY2 = $$.getY($$.subYMin, $$.subYMax, forInit ? config.axis_y2_default : $$.subY2.domain());
// update axes
$$.xAxisTickFormat = $$.axis.getXAxisTickFormat();
$$.xAxisTickValues = $$.axis.getXAxisTickValues();
$$.yAxisTickValues = $$.axis.getYAxisTickValues();
$$.y2AxisTickValues = $$.axis.getY2AxisTickValues();

$$.xAxis = $$.axis.getXAxis($$.x, $$.xOrient, $$.xAxisTickFormat, $$.xAxisTickValues, config.axis_x_tick_outer);
$$.subXAxis = $$.axis.getXAxis($$.subX, $$.subXOrient, $$.xAxisTickFormat, $$.xAxisTickValues, config.axis_x_tick_outer);
$$.yAxis = $$.axis.getYAxis($$.y, $$.yOrient, config.axis_y_tick_format, $$.yAxisTickValues, config.axis_y_tick_outer);
$$.y2Axis = $$.axis.getYAxis($$.y2, $$.y2Orient, config.axis_y2_tick_format, $$.y2AxisTickValues, config.axis_y2_tick_outer);

// Set initialized scales to brush and zoom
if (!forInit) {
if ($$.brush) { $$.brush.scale($$.subX); }
if (config.zoom_enabled) { $$.zoom.scale($$.x); }
}
// update for arc
if ($$.updateArc) { $$.updateArc(); }
};

c3_chart_internal_fn.getYDomainMin = function (targets) {
var $$ = this, config = $$.config,
ids = $$.mapToIds(targets), ys = $$.getValuesAsIdKeyed(targets),
j, k, baseId, idsInGroup, id, hasNegativeValue;
if (config.data_groups.length > 0) {
hasNegativeValue = $$.hasNegativeValueInTargets(targets);
for (j = 0; j < config.data_groups.length; j++) {
// Determine baseId
idsInGroup = config.data_groups[j].filter(function (id) { return ids.indexOf(id) >= 0; });
if (idsInGroup.length === 0) { continue; }
baseId = idsInGroup[0];
// Consider negative values
if (hasNegativeValue && ys[baseId]) {
ys[baseId].forEach(function (v, i) {
ys[baseId][i] = v < 0 ? v : 0;
});
}
// Compute min
for (k = 1; k < idsInGroup.length; k++) {
id = idsInGroup[k];
if (! ys[id]) { continue; }
ys[id].forEach(function (v, i) {
if ($$.axis.getId(id) === $$.axis.getId(baseId) && ys[baseId] && !(hasNegativeValue && +v > 0)) {
ys[baseId][i] += +v;
}
});
}
}
}
return $$.d3.min(Object.keys(ys).map(function (key) { return $$.d3.min(ys[key]); }));
};
c3_chart_internal_fn.getYDomainMax = function (targets) {
var $$ = this, config = $$.config,
ids = $$.mapToIds(targets), ys = $$.getValuesAsIdKeyed(targets),
j, k, baseId, idsInGroup, id, hasPositiveValue;
if (config.data_groups.length > 0) {
hasPositiveValue = $$.hasPositiveValueInTargets(targets);
for (j = 0; j < config.data_groups.length; j++) {
// Determine baseId
idsInGroup = config.data_groups[j].filter(function (id) { return ids.indexOf(id) >= 0; });
if (idsInGroup.length === 0) { continue; }
baseId = idsInGroup[0];
// Consider positive values
if (hasPositiveValue && ys[baseId]) {
ys[baseId].forEach(function (v, i) {
ys[baseId][i] = v > 0 ? v : 0;
});
}
// Compute max
for (k = 1; k < idsInGroup.length; k++) {
id = idsInGroup[k];
if (! ys[id]) { continue; }
ys[id].forEach(function (v, i) {
if ($$.axis.getId(id) === $$.axis.getId(baseId) && ys[baseId] && !(hasPositiveValue && +v < 0)) {
ys[baseId][i] += +v;
}
});
}
}
}
return $$.d3.max(Object.keys(ys).map(function (key) { return $$.d3.max(ys[key]); }));
};
c3_chart_internal_fn.getYDomain = function (targets, axisId, xDomain) {
var $$ = this, config = $$.config,
targetsByAxisId = targets.filter(function (t) { return $$.axis.getId(t.id) === axisId; }),
yTargets = xDomain ? $$.filterByXDomain(targetsByAxisId, xDomain) : targetsByAxisId,
yMin = axisId === 'y2' ? config.axis_y2_min : config.axis_y_min,
yMax = axisId === 'y2' ? config.axis_y2_max : config.axis_y_max,
yDomainMin = $$.getYDomainMin(yTargets),
yDomainMax = $$.getYDomainMax(yTargets),
domain, domainLength, padding, padding_top, padding_bottom,
center = axisId === 'y2' ? config.axis_y2_center : config.axis_y_center,
yDomainAbs, lengths, diff, ratio, isAllPositive, isAllNegative,
isZeroBased = ($$.hasType('bar', yTargets) && config.bar_zerobased) || ($$.hasType('area', yTargets) && config.area_zerobased),
isInverted = axisId === 'y2' ? config.axis_y2_inverted : config.axis_y_inverted,
showHorizontalDataLabel = $$.hasDataLabel() && config.axis_rotated,
showVerticalDataLabel = $$.hasDataLabel() && !config.axis_rotated;

// MEMO: avoid inverting domain unexpectedly
yDomainMin = isValue(yMin) ? yMin : isValue(yMax) ? (yDomainMin < yMax ? yDomainMin : yMax - 10) : yDomainMin;
yDomainMax = isValue(yMax) ? yMax : isValue(yMin) ? (yMin < yDomainMax ? yDomainMax : yMin + 10) : yDomainMax;

if (yTargets.length === 0) { // use current domain if target of axisId is none
return axisId === 'y2' ? $$.y2.domain() : $$.y.domain();
}
if (isNaN(yDomainMin)) { // set minimum to zero when not number
yDomainMin = 0;
}
if (isNaN(yDomainMax)) { // set maximum to have same value as yDomainMin
yDomainMax = yDomainMin;
}
if (yDomainMin === yDomainMax) {
yDomainMin < 0 ? yDomainMax = 0 : yDomainMin = 0;
}
isAllPositive = yDomainMin >= 0 && yDomainMax >= 0;
isAllNegative = yDomainMin <= 0 && yDomainMax <= 0;

// Cancel zerobased if axis_*_min / axis_*_max specified
if ((isValue(yMin) && isAllPositive) || (isValue(yMax) && isAllNegative)) {
isZeroBased = false;
}

// Bar/Area chart should be 0-based if all positive|negative
if (isZeroBased) {
if (isAllPositive) { yDomainMin = 0; }
if (isAllNegative) { yDomainMax = 0; }
}

domainLength = Math.abs(yDomainMax - yDomainMin);
padding = padding_top = padding_bottom = domainLength * 0.03;
padding_bottom = 0;

if (typeof center !== 'undefined') {
yDomainAbs = Math.max(Math.abs(yDomainMin), Math.abs(yDomainMax));
yDomainMax = center + yDomainAbs;
yDomainMin = center - yDomainAbs;
}
// add padding for data label
if (showHorizontalDataLabel) {
lengths = $$.getDataLabelLength(yDomainMin, yDomainMax, 'width');
diff = diffDomain($$.y.range());
ratio = [lengths[0] / diff, lengths[1] / diff];
padding_top += domainLength * (ratio[1] / (1 - ratio[0] - ratio[1]));
padding_bottom += domainLength * (ratio[0] / (1 - ratio[0] - ratio[1]));
} else if (showVerticalDataLabel) {
lengths = $$.getDataLabelLength(yDomainMin, yDomainMax, 'height');
padding_top += $$.axis.convertPixelsToAxisPadding(lengths[1], domainLength);
padding_bottom += $$.axis.convertPixelsToAxisPadding(lengths[0], domainLength);
}
if (axisId === 'y' && notEmpty(config.axis_y_padding)) {
padding_top = $$.axis.getPadding(config.axis_y_padding, 'top', padding_top, domainLength);
padding_bottom = $$.axis.getPadding(config.axis_y_padding, 'bottom', padding_bottom, domainLength);
}
if (axisId === 'y2' && notEmpty(config.axis_y2_padding)) {
padding_top = $$.axis.getPadding(config.axis_y2_padding, 'top', padding_top, domainLength);
padding_bottom = $$.axis.getPadding(config.axis_y2_padding, 'bottom', padding_bottom, domainLength);
}
// Bar/Area chart should be 0-based if all positive|negative
if (isZeroBased) {
if (isAllPositive) { padding_bottom = yDomainMin; }
if (isAllNegative) { padding_top = -yDomainMax; }
}
domain = [yDomainMin - padding_bottom, yDomainMax + padding_top];
return isInverted ? domain.reverse() : domain;
};
c3_chart_internal_fn.getXDomainMin = function (targets) {
var $$ = this, config = $$.config;
return isDefined(config.axis_x_min) ?
($$.isTimeSeries() ? this.parseDate(config.axis_x_min) : config.axis_x_min) :
$$.d3.min(targets, function (t) { return $$.d3.min(t.values, function (v) { return v.x; }); });
};
c3_chart_internal_fn.getXDomainMax = function (targets) {
var $$ = this, config = $$.config;
return isDefined(config.axis_x_max) ?
($$.isTimeSeries() ? this.parseDate(config.axis_x_max) : config.axis_x_max) :
$$.d3.max(targets, function (t) { return $$.d3.max(t.values, function (v) { return v.x; }); });
};
c3_chart_internal_fn.getXDomainPadding = function (domain) {
var $$ = this, config = $$.config,
diff = domain[1] - domain[0],
maxDataCount, padding, paddingLeft, paddingRight;
if ($$.isCategorized()) {
padding = 0;
} else if ($$.hasType('bar')) {
maxDataCount = $$.getMaxDataCount();
padding = maxDataCount > 1 ? (diff / (maxDataCount - 1)) / 2 : 0.5;
} else {
padding = diff * 0.06;
}
if (typeof config.axis_x_padding === 'object' && notEmpty(config.axis_x_padding)) {
paddingLeft = isValue(config.axis_x_padding.left) ? config.axis_x_padding.left : padding;
paddingRight = isValue(config.axis_x_padding.right) ? config.axis_x_padding.right : padding;
} else if (typeof config.axis_x_padding === 'number') {
paddingLeft = paddingRight = config.axis_x_padding;
} else {
paddingLeft = paddingRight = padding;
if (!$$.hasType('bar')) {
paddingLeft = 0.00000001;
} else {
paddingRight += diff * 0.03
}
}
return {left: paddingLeft, right: paddingRight};
};
c3_chart_internal_fn.getXDomain = function (targets) {
var $$ = this,
xDomain = [$$.getXDomainMin(targets), $$.getXDomainMax(targets)],
firstX = xDomain[0], lastX = xDomain[1],
padding = $$.getXDomainPadding(xDomain),
min = 0, max = 0;
// show center of x domain if min and max are the same
if ((firstX - lastX) === 0 && !$$.isCategorized()) {
if ($$.isTimeSeries()) {
firstX = new Date(firstX.getTime() * 0.5);
lastX = new Date(lastX.getTime() * 1.5);
} else {
firstX = firstX === 0 ? 1 : (firstX * 0.5);
lastX = lastX === 0 ? -1 : (lastX * 1.5);
}
}
if (firstX || firstX === 0) {
min = $$.isTimeSeries() ? new Date(firstX.getTime() - padding.left) : firstX - padding.left;
}
if (lastX || lastX === 0) {
max = $$.isTimeSeries() ? new Date(lastX.getTime() + padding.right) : lastX + padding.right;
}
return [min, max];
};
c3_chart_internal_fn.updateXDomain = function (targets, withUpdateXDomain, withUpdateOrgXDomain, withTrim, domain) {
var $$ = this, config = $$.config;

if (withUpdateOrgXDomain) {
$$.x.domain(domain ? domain : $$.d3.extent($$.getXDomain(targets)));
$$.orgXDomain = $$.x.domain();
if (config.zoom_enabled) { $$.zoom.scale($$.x).updateScaleExtent(); }
$$.subX.domain($$.x.domain());
if ($$.brush) { $$.brush.scale($$.subX); }
}
if (withUpdateXDomain) {
$$.x.domain(domain ? domain : (!$$.brush || $$.brush.empty()) ? $$.orgXDomain : $$.brush.extent());
if (config.zoom_enabled) { $$.zoom.scale($$.x).updateScaleExtent(); }
}

// Trim domain when too big by zoom mousemove event
if (withTrim) { $$.x.domain($$.trimXDomain($$.x.orgDomain())); }

return $$.x.domain();
};
c3_chart_internal_fn.trimXDomain = function (domain) {
var zoomDomain = this.getZoomDomain(),
min = zoomDomain[0], max = zoomDomain[1];
if (domain[0] <= min) {
domain[1] = +domain[1] + (min - domain[0]);
domain[0] = min;
}
if (max <= domain[1]) {
domain[0] = +domain[0] - (domain[1] - max);
domain[1] = max;
}
return domain;
};

c3_chart_internal_fn.isX = function (key) {
var $$ = this, config = $$.config;
return (config.data_x && key === config.data_x) || (notEmpty(config.data_xs) && hasValue(config.data_xs, key));
};
c3_chart_internal_fn.isNotX = function (key) {
return !this.isX(key);
};
c3_chart_internal_fn.getXKey = function (id) {
var $$ = this, config = $$.config;
return config.data_x ? config.data_x : notEmpty(config.data_xs) ? config.data_xs[id] : null;
};
c3_chart_internal_fn.getXValuesOfXKey = function (key, targets) {
var $$ = this,
xValues, ids = targets && notEmpty(targets) ? $$.mapToIds(targets) : [];
ids.forEach(function (id) {
if ($$.getXKey(id) === key) {
xValues = $$.data.xs[id];
}
});
return xValues;
};
c3_chart_internal_fn.getIndexByX = function (x) {
var $$ = this,
data = $$.filterByX($$.data.targets, x);
return data.length ? data[0].index : null;
};
c3_chart_internal_fn.getXValue = function (id, i) {
var $$ = this;
return id in $$.data.xs && $$.data.xs[id] && isValue($$.data.xs[id][i]) ? $$.data.xs[id][i] : i;
};
c3_chart_internal_fn.getOtherTargetXs = function () {
var $$ = this,
idsForX = Object.keys($$.data.xs);
return idsForX.length ? $$.data.xs[idsForX[0]] : null;
};
c3_chart_internal_fn.getOtherTargetX = function (index) {
var xs = this.getOtherTargetXs();
return xs && index < xs.length ? xs[index] : null;
};
c3_chart_internal_fn.addXs = function (xs) {
var $$ = this;
Object.keys(xs).forEach(function (id) {
$$.config.data_xs[id] = xs[id];
});
};
c3_chart_internal_fn.hasMultipleX = function (xs) {
return this.d3.set(Object.keys(xs).map(function (id) { return xs[id]; })).size() > 1;
};
c3_chart_internal_fn.isMultipleX = function () {
return notEmpty(this.config.data_xs) || !this.config.data_xSort || this.hasType('scatter');
};
c3_chart_internal_fn.addName = function (data) {
var $$ = this, name;
if (data) {
name = $$.config.data_names[data.id];
data.name = name !== undefined ? name : data.id;
}
return data;
};
c3_chart_internal_fn.getValueOnIndex = function (values, index) {
var valueOnIndex = values.filter(function (v) { return v.index === index; });
return valueOnIndex.length ? valueOnIndex[0] : null;
};
c3_chart_internal_fn.updateTargetX = function (targets, x) {
var $$ = this;
targets.forEach(function (t) {
t.values.forEach(function (v, i) {
v.x = $$.generateTargetX(x[i], t.id, i);
});
$$.data.xs[t.id] = x;
});
};
c3_chart_internal_fn.updateTargetXs = function (targets, xs) {
var $$ = this;
targets.forEach(function (t) {
if (xs[t.id]) {
$$.updateTargetX([t], xs[t.id]);
}
});
};
c3_chart_internal_fn.generateTargetX = function (rawX, id, index) {
var $$ = this, x;
if ($$.isTimeSeries()) {
x = rawX ? $$.parseDate(rawX) : $$.parseDate($$.getXValue(id, index));
}
else if ($$.isCustomX() && !$$.isCategorized()) {
x = isValue(rawX) ? +rawX : $$.getXValue(id, index);
if (isNaN(x)) {
alert("Error parsing value for xAxis! Did you forget to specify type: \"timeseries\" in config.\nValue was: " + rawX);
throw new Error();
}
}
else {
x = index;
}
return x;
};
c3_chart_internal_fn.cloneTarget = function (target) {
return {
id : target.id,
id_org : target.id_org,
values : target.values.map(function (d) {
return {x: d.x, value: d.value, id: d.id};
})
};
};
c3_chart_internal_fn.updateXs = function () {
var $$ = this;
if ($$.data.targets.length) {
$$.xs = [];
$$.data.targets[0].values.forEach(function (v) {
$$.xs[v.index] = v.x;
});
}
};
c3_chart_internal_fn.getPrevX = function (i) {
var x = this.xs[i - 1];
return typeof x !== 'undefined' ? x : null;
};
c3_chart_internal_fn.getNextX = function (i) {
var x = this.xs[i + 1];
return typeof x !== 'undefined' ? x : null;
};
c3_chart_internal_fn.getMaxDataCount = function () {
var $$ = this;
return $$.d3.max($$.data.targets, function (t) { return t.values.length; });
};
c3_chart_internal_fn.getMaxDataCountTarget = function (targets) {
var length = targets.length, max = 0, maxTarget;
if (length > 1) {
targets.forEach(function (t) {
if (t.values.length > max) {
maxTarget = t;
max = t.values.length;
}
});
} else {
maxTarget = length ? targets[0] : null;
}
return maxTarget;
};
c3_chart_internal_fn.getEdgeX = function (targets) {
var $$ = this;
return !targets.length ? [0, 0] : [
$$.d3.min(targets, function (t) { return t.values[0].x; }),
$$.d3.max(targets, function (t) { return t.values[t.values.length - 1].x; })
];
};
c3_chart_internal_fn.mapToIds = function (targets) {
return targets.map(function (d) { return d.id; });
};
c3_chart_internal_fn.mapToTargetIds = function (ids) {
var $$ = this;
return ids ? [].concat(ids) : $$.mapToIds($$.data.targets);
};
c3_chart_internal_fn.hasTarget = function (targets, id) {
var ids = this.mapToIds(targets), i;
for (i = 0; i < ids.length; i++) {
if (ids[i] === id) {
return true;
}
}
return false;
};
c3_chart_internal_fn.isTargetToShow = function (targetId) {
return this.hiddenTargetIds.indexOf(targetId) < 0;
};
c3_chart_internal_fn.isLegendToShow = function (targetId) {
return this.hiddenLegendIds.indexOf(targetId) < 0;
};
c3_chart_internal_fn.filterTargetsToShow = function (targets) {
var $$ = this;
return targets.filter(function (t) { return $$.isTargetToShow(t.id); });
};
c3_chart_internal_fn.mapTargetsToUniqueXs = function (targets) {
var $$ = this;
var xs = $$.d3.set($$.d3.merge(targets.map(function (t) { return t.values.map(function (v) { return +v.x; }); }))).values();
xs = $$.isTimeSeries() ? xs.map(function (x) { return new Date(+x); }) : xs.map(function (x) { return +x; });
return xs.sort(function (a, b) { return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; });
};
c3_chart_internal_fn.addHiddenTargetIds = function (targetIds) {
this.hiddenTargetIds = this.hiddenTargetIds.concat(targetIds);
};
c3_chart_internal_fn.removeHiddenTargetIds = function (targetIds) {
this.hiddenTargetIds = this.hiddenTargetIds.filter(function (id) { return targetIds.indexOf(id) < 0; });
};
c3_chart_internal_fn.addHiddenLegendIds = function (targetIds) {
this.hiddenLegendIds = this.hiddenLegendIds.concat(targetIds);
};
c3_chart_internal_fn.removeHiddenLegendIds = function (targetIds) {
this.hiddenLegendIds = this.hiddenLegendIds.filter(function (id) { return targetIds.indexOf(id) < 0; });
};
c3_chart_internal_fn.getValuesAsIdKeyed = function (targets) {
var ys = {};
targets.forEach(function (t) {
ys[t.id] = [];
t.values.forEach(function (v) {
ys[t.id].push(v.value);
});
});
return ys;
};
c3_chart_internal_fn.checkValueInTargets = function (targets, checker) {
var ids = Object.keys(targets), i, j, values;
for (i = 0; i < ids.length; i++) {
values = targets[ids[i]].values;
for (j = 0; j < values.length; j++) {
if (checker(values[j].value)) {
return true;
}
}
}
return false;
};
c3_chart_internal_fn.hasNegativeValueInTargets = function (targets) {
return this.checkValueInTargets(targets, function (v) { return v < 0; });
};
c3_chart_internal_fn.hasPositiveValueInTargets = function (targets) {
return this.checkValueInTargets(targets, function (v) { return v > 0; });
};
c3_chart_internal_fn.isOrderDesc = function () {
var config = this.config;
return typeof(config.data_order) === 'string' && config.data_order.toLowerCase() === 'desc';
};
c3_chart_internal_fn.isOrderAsc = function () {
var config = this.config;
return typeof(config.data_order) === 'string' && config.data_order.toLowerCase() === 'asc';
};
c3_chart_internal_fn.orderTargets = function (targets) {
var $$ = this, config = $$.config, orderAsc = $$.isOrderAsc(), orderDesc = $$.isOrderDesc();
if (orderAsc || orderDesc) {
targets.sort(function (t1, t2) {
var reducer = function (p, c) { return p + Math.abs(c.value); };
var t1Sum = t1.values.reduce(reducer, 0),
t2Sum = t2.values.reduce(reducer, 0);
return orderAsc ? t2Sum - t1Sum : t1Sum - t2Sum;
});
} else if (isFunction(config.data_order)) {
targets.sort(config.data_order);
} // TODO: accept name array for order
return targets;
};
c3_chart_internal_fn.filterByX = function (targets, x) {
return this.d3.merge(targets.map(function (t) { return t.values; })).filter(function (v) { return v.x - x === 0; });
};
c3_chart_internal_fn.filterRemoveNull = function (data) {
return data.filter(function (d) { return isValue(d.value); });
};
c3_chart_internal_fn.filterByXDomain = function (targets, xDomain) {
return targets.map(function (t) {
return {
id: t.id,
id_org: t.id_org,
values: t.values.filter(function (v) {
return xDomain[0] <= v.x && v.x <= xDomain[1];
})
};
});
};
c3_chart_internal_fn.hasDataLabel = function () {
var config = this.config;
if (typeof config.data_labels === 'boolean' && config.data_labels) {
return true;
} else if (typeof config.data_labels === 'object' && notEmpty(config.data_labels)) {
return true;
}
return false;
};
c3_chart_internal_fn.getDataLabelLength = function (min, max, key) {
var $$ = this,
lengths = [0, 0], paddingCoef = 1.3;
$$.selectChart.select('svg').selectAll('.dummy')
.data([min, max])
.enter().append('text')
.text(function (d) { return $$.dataLabelFormat(d.id)(d); })
.each(function (d, i) {
lengths[i] = this.getBoundingClientRect()[key] * paddingCoef;
})
.remove();
return lengths;
};
c3_chart_internal_fn.isNoneArc = function (d) {
return this.hasTarget(this.data.targets, d.id);
},
c3_chart_internal_fn.isArc = function (d) {
return 'data' in d && this.hasTarget(this.data.targets, d.data.id);
};
c3_chart_internal_fn.findSameXOfValues = function (values, index) {
var i, targetX = values[index].x, sames = [];
for (i = index - 1; i >= 0; i--) {
if (targetX !== values[i].x) { break; }
sames.push(values[i]);
}
for (i = index; i < values.length; i++) {
if (targetX !== values[i].x) { break; }
sames.push(values[i]);
}
return sames;
};

c3_chart_internal_fn.findClosestFromTargets = function (targets, pos) {
var $$ = this, candidates;

// map to array of closest points of each target
candidates = targets.map(function (target) {
return $$.findClosest(target.values, pos);
});

// decide closest point and return
return $$.findClosest(candidates, pos);
};
c3_chart_internal_fn.findClosest = function (values, pos) {
var $$ = this, minDist = $$.config.point_sensitivity, closest;

// find mouseovering bar
values.filter(function (v) { return v && $$.isBarType(v.id); }).forEach(function (v) {
var shape = $$.main.select('.' + CLASS.bars + $$.getTargetSelectorSuffix(v.id) + ' .' + CLASS.bar + '-' + v.index).node();
if (!closest && $$.isWithinBar(shape)) {
closest = v;
}
});

// find closest point from non-bar
values.filter(function (v) { return v && !$$.isBarType(v.id); }).forEach(function (v) {
var d = $$.dist(v, pos);
if (d < minDist) {
minDist = d;
closest = v;
}
});

return closest;
};
c3_chart_internal_fn.dist = function (data, pos) {
var $$ = this, config = $$.config,
xIndex = config.axis_rotated ? 1 : 0,
yIndex = config.axis_rotated ? 0 : 1,
y = $$.circleY(data, data.index),
x = $$.x(data.x);
return Math.sqrt(Math.pow(x - pos[xIndex], 2) + Math.pow(y - pos[yIndex], 2));
};
c3_chart_internal_fn.convertValuesToStep = function (values) {
var converted = [].concat(values), i;

if (!this.isCategorized()) {
return values;
}

for (i = values.length + 1; 0 < i; i--) {
converted[i] = converted[i - 1];
}

converted[0] = {
x: converted[0].x - 1,
value: converted[0].value,
id: converted[0].id
};
converted[values.length + 1] = {
x: converted[values.length].x + 1,
value: converted[values.length].value,
id: converted[values.length].id
};

return converted;
};
c3_chart_internal_fn.updateDataAttributes = function (name, attrs) {
var $$ = this, config = $$.config, current = config['data_' + name];
if (typeof attrs === 'undefined') { return current; }
Object.keys(attrs).forEach(function (id) {
current[id] = attrs[id];
});
$$.redraw({withLegend: true});
return current;
};

c3_chart_internal_fn.convertUrlToData = function (url, mimeType, keys, done) {
var $$ = this, type = mimeType ? mimeType : 'csv';
$$.d3.xhr(url, function (error, data) {
var d;
if (!data) {
throw new Error(error.responseURL + ' ' + error.status + ' (' + error.statusText + ')');
}
if (type === 'json') {
d = $$.convertJsonToData(JSON.parse(data.response), keys);
} else if (type === 'tsv') {
d = $$.convertTsvToData(data.response);
} else {
d = $$.convertCsvToData(data.response);
}
done.call($$, d);
});
};
c3_chart_internal_fn.convertXsvToData = function (xsv, parser) {
var rows = parser.parseRows(xsv), d;
if (rows.length === 1) {
d = [{}];
rows[0].forEach(function (id) {
d[0][id] = null;
});
} else {
d = parser.parse(xsv);
}
return d;
};
c3_chart_internal_fn.convertCsvToData = function (csv) {
return this.convertXsvToData(csv, this.d3.csv);
};
c3_chart_internal_fn.convertTsvToData = function (tsv) {
return this.convertXsvToData(tsv, this.d3.tsv);
};
c3_chart_internal_fn.convertJsonToData = function (json, keys) {
var $$ = this,
new_rows = [], targetKeys, data;
if (keys) { // when keys specified, json would be an array that includes objects
if (keys.x) {
targetKeys = keys.value.concat(keys.x);
$$.config.data_x = keys.x;
} else {
targetKeys = keys.value;
}
new_rows.push(targetKeys);
json.forEach(function (o) {
var new_row = [];
targetKeys.forEach(function (key) {
// convert undefined to null because undefined data will be removed in convertDataToTargets()
var v = isUndefined(o[key]) ? null : o[key];
new_row.push(v);
});
new_rows.push(new_row);
});
data = $$.convertRowsToData(new_rows);
} else {
Object.keys(json).forEach(function (key) {
new_rows.push([key].concat(json[key]));
});
data = $$.convertColumnsToData(new_rows);
}
return data;
};
c3_chart_internal_fn.convertRowsToData = function (rows) {
var keys = rows[0], new_row = {}, new_rows = [], i, j;
for (i = 1; i < rows.length; i++) {
new_row = {};
for (j = 0; j < rows[i].length; j++) {
if (isUndefined(rows[i][j])) {
throw new Error("Source data is missing a component at (" + i + "," + j + ")!");
}
new_row[keys[j]] = rows[i][j];
}
new_rows.push(new_row);
}
return new_rows;
};
c3_chart_internal_fn.convertColumnsToData = function (columns) {
var new_rows = [], i, j, key;
for (i = 0; i < columns.length; i++) {
key = columns[i][0];
for (j = 1; j < columns[i].length; j++) {
if (isUndefined(new_rows[j - 1])) {
new_rows[j - 1] = {};
}
if (isUndefined(columns[i][j])) {
throw new Error("Source data is missing a component at (" + i + "," + j + ")!");
}
new_rows[j - 1][key] = columns[i][j];
}
}
return new_rows;
};
c3_chart_internal_fn.convertDataToTargets = function (data, appendXs) {
var $$ = this, config = $$.config,
ids = $$.d3.keys(data[0]).filter($$.isNotX, $$),
xs = $$.d3.keys(data[0]).filter($$.isX, $$),
targets;

// save x for update data by load when custom x and c3.x API
ids.forEach(function (id) {
var xKey = $$.getXKey(id);

if ($$.isCustomX() || $$.isTimeSeries()) {
// if included in input data
if (xs.indexOf(xKey) >= 0) {
$$.data.xs[id] = (appendXs && $$.data.xs[id] ? $$.data.xs[id] : []).concat(
data.map(function (d) { return d[xKey]; })
.filter(isValue)
.map(function (rawX, i) { return $$.generateTargetX(rawX, id, i); })
);
}
// if not included in input data, find from preloaded data of other id's x
else if (config.data_x) {
$$.data.xs[id] = $$.getOtherTargetXs();
}
// if not included in input data, find from preloaded data
else if (notEmpty(config.data_xs)) {
$$.data.xs[id] = $$.getXValuesOfXKey(xKey, $$.data.targets);
}
// MEMO: if no x included, use same x of current will be used
} else {
$$.data.xs[id] = data.map(function (d, i) { return i; });
}
});

// check x is defined
ids.forEach(function (id) {
if (!$$.data.xs[id]) {
throw new Error('x is not defined for id = "' + id + '".');
}
});

// convert to target
targets = ids.map(function (id, index) {
var convertedId = config.data_idConverter(id);
return {
id: convertedId,
id_org: id,
values: data.map(function (d, i) {
var xKey = $$.getXKey(id), rawX = d[xKey], x = $$.generateTargetX(rawX, id, i),
value = d[id] !== null && !isNaN(d[id]) ? +d[id] : null;
// use x as categories if custom x and categorized
if ($$.isCustomX() && $$.isCategorized() && index === 0 && rawX) {
if (i === 0) { config.axis_x_categories = []; }
config.axis_x_categories.push(rawX);
}
// mark as x = undefined if value is undefined and filter to remove after mapped
if (isUndefined(d[id]) || $$.data.xs[id].length <= i) {
x = undefined;
}
return {x: x, value: value, id: convertedId};
}).filter(function (v) { return isDefined(v.x); })
};
});

// finish targets
targets.forEach(function (t) {
var i;
// sort values by its x
if (config.data_xSort) {
t.values = t.values.sort(function (v1, v2) {
var x1 = v1.x || v1.x === 0 ? v1.x : Infinity,
x2 = v2.x || v2.x === 0 ? v2.x : Infinity;
return x1 - x2;
});
}
// indexing each value
i = 0;
t.values.forEach(function (v) {
v.index = i++;
});
// this needs to be sorted because its index and value.index is identical
$$.data.xs[t.id].sort(function (v1, v2) {
return v1 - v2;
});
});

// cache information about values
$$.hasNegativeValue = $$.hasNegativeValueInTargets(targets);
$$.hasPositiveValue = $$.hasPositiveValueInTargets(targets);

// set target types
if (config.data_type) {
$$.setTargetType($$.mapToIds(targets).filter(function (id) { return ! (id in config.data_types); }), config.data_type);
}

// cache as original id keyed
targets.forEach(function (d) {
$$.addCache(d.id_org, d);
});

return targets;
};

c3_chart_internal_fn.load = function (targets, args) {
var $$ = this;
if (targets) {
// filter loading targets if needed
if (args.filter) {
targets = targets.filter(args.filter);
}
// set type if args.types || args.type specified
if (args.type || args.types) {
targets.forEach(function (t) {
var type = args.types && args.types[t.id] ? args.types[t.id] : args.type;
$$.setTargetType(t.id, type);
});
}
// Update/Add data
$$.data.targets.forEach(function (d) {
for (var i = 0; i < targets.length; i++) {
if (d.id === targets[i].id) {
d.values = targets[i].values;
targets.splice(i, 1);
break;
}
}
});
$$.data.targets = $$.data.targets.concat(targets); // add remained
}

// Set targets
$$.updateTargets($$.data.targets);

// Redraw with new targets
$$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true});

if (args.done) { args.done(); }
};
c3_chart_internal_fn.loadFromArgs = function (args) {
var $$ = this;
if (args.data) {
$$.load($$.convertDataToTargets(args.data), args);
}
else if (args.url) {
$$.convertUrlToData(args.url, args.mimeType, args.keys, function (data) {
$$.load($$.convertDataToTargets(data), args);
});
}
else if (args.json) {
$$.load($$.convertDataToTargets($$.convertJsonToData(args.json, args.keys)), args);
}
else if (args.rows) {
$$.load($$.convertDataToTargets($$.convertRowsToData(args.rows)), args);
}
else if (args.columns) {
$$.load($$.convertDataToTargets($$.convertColumnsToData(args.columns)), args);
}
else {
$$.load(null, args);
}
};
c3_chart_internal_fn.unload = function (targetIds, done) {
var $$ = this;
if (!done) {
done = function () {};
}
// filter existing target
targetIds = targetIds.filter(function (id) { return $$.hasTarget($$.data.targets, id); });
// If no target, call done and return
if (!targetIds || targetIds.length === 0) {
done();
return;
}
$$.svg.selectAll(targetIds.map(function (id) { return $$.selectorTarget(id); }))
.transition()
.style('opacity', 0)
.remove()
.call($$.endall, done);
targetIds.forEach(function (id) {
// Reset fadein for future load
$$.withoutFadeIn[id] = false;
// Remove target's elements
if ($$.legend) {
$$.legend.selectAll('.' + CLASS.legendItem + $$.getTargetSelectorSuffix(id)).remove();
}
// Remove target
$$.data.targets = $$.data.targets.filter(function (t) {
return t.id !== id;
});
});
};

c3_chart_internal_fn.categoryName = function (i) {
var config = this.config;
return i < config.axis_x_categories.length ? config.axis_x_categories[i] : i;
};

c3_chart_internal_fn.initEventRect = function () {
var $$ = this;
$$.main.select('.' + CLASS.chart).append("g")
.attr("class", CLASS.eventRects)
.style('fill-opacity', 0);
};
c3_chart_internal_fn.redrawEventRect = function () {
var $$ = this, config = $$.config,
eventRectUpdate, maxDataCountTarget,
isMultipleX = $$.isMultipleX();

// rects for mouseover
var eventRects = $$.main.select('.' + CLASS.eventRects)
.style('cursor', config.zoom_enabled ? config.axis_rotated ? 'ns-resize' : 'ew-resize' : null)
.classed(CLASS.eventRectsMultiple, isMultipleX)
.classed(CLASS.eventRectsSingle, !isMultipleX);

// clear old rects
eventRects.selectAll('.' + CLASS.eventRect).remove();

// open as public variable
$$.eventRect = eventRects.selectAll('.' + CLASS.eventRect);

if (isMultipleX) {
eventRectUpdate = $$.eventRect.data([0]);
// enter : only one rect will be added
$$.generateEventRectsForMultipleXs(eventRectUpdate.enter());
// update
$$.updateEventRect(eventRectUpdate);
// exit : not needed because always only one rect exists
}
else {
// Set data and update $$.eventRect
maxDataCountTarget = $$.getMaxDataCountTarget($$.data.targets);
eventRects.datum(maxDataCountTarget ? maxDataCountTarget.values : []);
$$.eventRect = eventRects.selectAll('.' + CLASS.eventRect);
eventRectUpdate = $$.eventRect.data(function (d) { return d; });
// enter
$$.generateEventRectsForSingleX(eventRectUpdate.enter());
// update
$$.updateEventRect(eventRectUpdate);
// exit
eventRectUpdate.exit().remove();
}
};
c3_chart_internal_fn.updateEventRect = function (eventRectUpdate) {
var $$ = this, config = $$.config,
x, y, w, h, rectW, rectX;

// set update selection if null
eventRectUpdate = eventRectUpdate || $$.eventRect.data(function (d) { return d; });

if ($$.isMultipleX()) {
// TODO: rotated not supported yet
x = 0;
y = 0;
w = $$.width;
h = $$.height;
}
else {
if (($$.isCustomX() || $$.isTimeSeries()) && !$$.isCategorized()) {

// update index for x that is used by prevX and nextX
$$.updateXs();

rectW = function (d) {
var prevX = $$.getPrevX(d.index), nextX = $$.getNextX(d.index);

// if there this is a single data point make the eventRect full width (or height)
if (prevX === null && nextX === null) {
return config.axis_rotated ? $$.height : $$.width;
}

if (prevX === null) { prevX = $$.x.domain()[0]; }
if (nextX === null) { nextX = $$.x.domain()[1]; }

return Math.max(0, ($$.x(nextX) - $$.x(prevX)) / 2);
};
rectX = function (d) {
var prevX = $$.getPrevX(d.index), nextX = $$.getNextX(d.index),
thisX = $$.data.xs[d.id][d.index];

// if there this is a single data point position the eventRect at 0
if (prevX === null && nextX === null) {
return 0;
}

if (prevX === null) { prevX = $$.x.domain()[0]; }

return ($$.x(thisX) + $$.x(prevX)) / 2;
};
} else {
rectW = $$.getEventRectWidth();
rectX = function (d) {
return $$.x(d.x) - (rectW / 2);
};
}
x = config.axis_rotated ? 0 : rectX;
y = config.axis_rotated ? rectX : 0;
w = config.axis_rotated ? $$.width : rectW;
h = config.axis_rotated ? rectW : $$.height;
}

eventRectUpdate
.attr('class', $$.classEvent.bind($$))
.attr("x", x)
.attr("y", y)
.attr("width", w)
.attr("height", h);
};
c3_chart_internal_fn.generateEventRectsForSingleX = function (eventRectEnter) {
var $$ = this, d3 = $$.d3, config = $$.config;
eventRectEnter.append("rect")
.attr("class", $$.classEvent.bind($$))
.style("cursor", config.data_selection_enabled && config.data_selection_grouped ? "pointer" : null)
.on('mouseover', function (d) {
var index = d.index;

if ($$.dragging || $$.flowing) { return; } // do nothing while dragging/flowing
if ($$.hasArcType()) { return; }

// Expand shapes for selection
if (config.point_focus_expand_enabled) { $$.expandCircles(index, null, true); }
$$.expandBars(index, null, true);

// Call event handler
$$.main.selectAll('.' + CLASS.shape + '-' + index).each(function (d) {
config.data_onmouseover.call($$.api, d);
});
})
.on('mouseout', function (d) {
var index = d.index;
if (!$$.config) { return; } // chart is destroyed
if ($$.hasArcType()) { return; }
$$.hideXGridFocus();
$$.hideTooltip();
// Undo expanded shapes
$$.unexpandCircles();
$$.unexpandBars();
// Call event handler
$$.main.selectAll('.' + CLASS.shape + '-' + index).each(function (d) {
config.data_onmouseout.call($$.api, d);
});
})
.on('mousemove', function (d) {
var selectedData, index = d.index,
eventRect = $$.svg.select('.' + CLASS.eventRect + '-' + index);

if ($$.dragging || $$.flowing) { return; } // do nothing while dragging/flowing
if ($$.hasArcType()) { return; }

if ($$.isStepType(d) && $$.config.line_step_type === 'step-after' && d3.mouse(this)[0] < $$.x($$.getXValue(d.id, index))) {
index -= 1;
}

// Show tooltip
selectedData = $$.filterTargetsToShow($$.data.targets).map(function (t) {
return $$.addName($$.getValueOnIndex(t.values, index));
});

if (config.tooltip_grouped) {
$$.showTooltip(selectedData, this);
$$.showXGridFocus(selectedData);
}

if (config.tooltip_grouped && (!config.data_selection_enabled || config.data_selection_grouped)) {
return;
}

$$.main.selectAll('.' + CLASS.shape + '-' + index)
.each(function () {
d3.select(this).classed(CLASS.EXPANDED, true);
if (config.data_selection_enabled) {
eventRect.style('cursor', config.data_selection_grouped ? 'pointer' : null);
}
if (!config.tooltip_grouped) {
$$.hideXGridFocus();
$$.hideTooltip();
if (!config.data_selection_grouped) {
$$.unexpandCircles(index);
$$.unexpandBars(index);
}
}
})
.filter(function (d) {
return $$.isWithinShape(this, d);
})
.each(function (d) {
if (config.data_selection_enabled && (config.data_selection_grouped || config.data_selection_isselectable(d))) {
eventRect.style('cursor', 'pointer');
}
if (!config.tooltip_grouped) {
$$.showTooltip([d], this);
$$.showXGridFocus([d]);
if (config.point_focus_expand_enabled) { $$.expandCircles(index, d.id, true); }
$$.expandBars(index, d.id, true);
}
});
})
.on('click', function (d) {
var index = d.index;
if ($$.hasArcType() || !$$.toggleShape) { return; }
if ($$.cancelClick) {
$$.cancelClick = false;
return;
}
if ($$.isStepType(d) && config.line_step_type === 'step-after' && d3.mouse(this)[0] < $$.x($$.getXValue(d.id, index))) {
index -= 1;
}
$$.main.selectAll('.' + CLASS.shape + '-' + index).each(function (d) {
if (config.data_selection_grouped || $$.isWithinShape(this, d)) {
$$.toggleShape(this, d, index);
$$.config.data_onclick.call($$.api, d, this);
}
});
})
.call(
config.data_selection_draggable && $$.drag ? (
d3.behavior.drag().origin(Object)
.on('drag', function () { $$.drag(d3.mouse(this)); })
.on('dragstart', function () { $$.dragstart(d3.mouse(this)); })
.on('dragend', function () { $$.dragend(); })
) : function () {}
);
};

c3_chart_internal_fn.generateEventRectsForMultipleXs = function (eventRectEnter) {
var $$ = this, d3 = $$.d3, config = $$.config;

function mouseout() {
$$.svg.select('.' + CLASS.eventRect).style('cursor', null);
$$.hideXGridFocus();
$$.hideTooltip();
$$.unexpandCircles();
$$.unexpandBars();
}

eventRectEnter.append('rect')
.attr('x', 0)
.attr('y', 0)
.attr('width', $$.width)
.attr('height', $$.height)
.attr('class', CLASS.eventRect)
.on('mouseout', function () {
if (!$$.config) { return; } // chart is destroyed
if ($$.hasArcType()) { return; }
mouseout();
})
.on('mousemove', function () {
var targetsToShow = $$.filterTargetsToShow($$.data.targets);
var mouse, closest, sameXData, selectedData;

if ($$.dragging) { return; } // do nothing when dragging
if ($$.hasArcType(targetsToShow)) { return; }

mouse = d3.mouse(this);
closest = $$.findClosestFromTargets(targetsToShow, mouse);

if ($$.mouseover && (!closest || closest.id !== $$.mouseover.id)) {
config.data_onmouseout.call($$.api, $$.mouseover);
$$.mouseover = undefined;
}

if (! closest) {
mouseout();
return;
}

if ($$.isScatterType(closest) || !config.tooltip_grouped) {
sameXData = [closest];
} else {
sameXData = $$.filterByX(targetsToShow, closest.x);
}

// show tooltip when cursor is close to some point
selectedData = sameXData.map(function (d) {
return $$.addName(d);
});
$$.showTooltip(selectedData, this);

// expand points
if (config.point_focus_expand_enabled) {
$$.expandCircles(closest.index, closest.id, true);
}
$$.expandBars(closest.index, closest.id, true);

// Show xgrid focus line
$$.showXGridFocus(selectedData);

// Show cursor as pointer if point is close to mouse position
if ($$.isBarType(closest.id) || $$.dist(closest, mouse) < config.point_sensitivity) {
$$.svg.select('.' + CLASS.eventRect).style('cursor', 'pointer');
if (!$$.mouseover) {
config.data_onmouseover.call($$.api, closest);
$$.mouseover = closest;
}
}
})
.on('click', function () {
var targetsToShow = $$.filterTargetsToShow($$.data.targets);
var mouse, closest;
if ($$.hasArcType(targetsToShow)) { return; }

mouse = d3.mouse(this);
closest = $$.findClosestFromTargets(targetsToShow, mouse);
if (! closest) { return; }
// select if selection enabled
if ($$.isBarType(closest.id) || $$.dist(closest, mouse) < config.point_sensitivity) {
$$.main.selectAll('.' + CLASS.shapes + $$.getTargetSelectorSuffix(closest.id)).selectAll('.' + CLASS.shape + '-' + closest.index).each(function () {
if (config.data_selection_grouped || $$.isWithinShape(this, closest)) {
$$.toggleShape(this, closest, closest.index);
$$.config.data_onclick.call($$.api, closest, this);
}
});
}
})
.call(
config.data_selection_draggable && $$.drag ? (
d3.behavior.drag().origin(Object)
.on('drag', function () { $$.drag(d3.mouse(this)); })
.on('dragstart', function () { $$.dragstart(d3.mouse(this)); })
.on('dragend', function () { $$.dragend(); })
) : function () {}
);
};
c3_chart_internal_fn.dispatchEvent = function (type, index, mouse) {
var $$ = this,
selector = '.' + CLASS.eventRect + (!$$.isMultipleX() ? '-' + index : ''),
eventRect = $$.main.select(selector).node(),
box = eventRect.getBoundingClientRect(),
x = box.left + (mouse ? mouse[0] : 0),
y = box.top + (mouse ? mouse[1] : 0),
event = document.createEvent("MouseEvents");

event.initMouseEvent(type, true, true, window, 0, x, y, x, y,
false, false, false, false, 0, null);
eventRect.dispatchEvent(event);
};

c3_chart_internal_fn.getCurrentWidth = function () {
var $$ = this, config = $$.config;
return config.size_width ? config.size_width : $$.getParentWidth();
};
c3_chart_internal_fn.getCurrentHeight = function () {
var $$ = this, config = $$.config,
h = config.size_height ? config.size_height : $$.getParentHeight();
return h > 0 ? h : 320 / ($$.hasType('gauge') ? 2 : 1);
};
c3_chart_internal_fn.getCurrentPaddingTop = function () {
var $$ = this,
config = $$.config,
padding = isValue(config.padding_top) ? config.padding_top : 0;
if ($$.title && $$.title.node()) {
padding += $$.getTitlePadding();
}
return padding;
};
c3_chart_internal_fn.getCurrentPaddingBottom = function () {
var config = this.config;
return isValue(config.padding_bottom) ? config.padding_bottom : 0;
};
c3_chart_internal_fn.getCurrentPaddingLeft = function (withoutRecompute) {
var $$ = this, config = $$.config;
if (isValue(config.padding_left)) {
return config.padding_left;
} else if (config.axis_rotated) {
return !config.axis_x_show ? 1 : Math.max($$.getAxisWidthByAxisId('x', withoutRecompute), 40 * config.completeScale);
} else if (!config.axis_y_show || config.axis_y_inner) { // && !config.axis_rotated
return $$.axis.getYAxisLabelPosition().isOuter ? 30 * config.completeScale : 1 * config.completeScale;
} else {
return $$.getAxisWidthByAxisId('y', withoutRecompute);
}
};
c3_chart_internal_fn.getCurrentPaddingRight = function () {
var $$ = this, config = $$.config,
defaultPadding = 10 * config.completeScale, legendWidthOnRight = $$.isLegendRight ? $$.getLegendWidth() + 10 * config.completeScale : 0;
if (isValue(config.padding_right)) {
return config.padding_right + 1; // 1 is needed not to hide tick line
} else if (config.axis_rotated) {
return defaultPadding + legendWidthOnRight;
} else if (!config.axis_y2_show || config.axis_y2_inner) { // && !config.axis_rotated
return 4 * config.completeScale + legendWidthOnRight + ($$.axis.getY2AxisLabelPosition().isOuter ? 20 * config.completeScale : 0);
} else {
return $$.getAxisWidthByAxisId('y2') + legendWidthOnRight;
}
};

c3_chart_internal_fn.getParentRectValue = function (key) {
var parent = this.selectChart.node(), v;
while (parent && parent.tagName !== 'BODY') {
try {
v = parent.getBoundingClientRect()[key];
} catch(e) {
if (key === 'width') {
// In IE in certain cases getBoundingClientRect
// will cause an "unspecified error"
v = parent.offsetWidth;
}
}
if (v) {
break;
}
parent = parent.parentNode;
}
return v;
};
c3_chart_internal_fn.getParentWidth = function () {
return this.getParentRectValue('width');
};
c3_chart_internal_fn.getParentHeight = function () {
var h = this.selectChart.style('height');
return h.indexOf('px') > 0 ? +h.replace('px', '') : 0;
};

c3_chart_internal_fn.getSvgLeft = function (withoutRecompute) {
var $$ = this, config = $$.config,
hasLeftAxisRect = config.axis_rotated || (!config.axis_rotated && !config.axis_y_inner),
leftAxisClass = config.axis_rotated ? CLASS.axisX : CLASS.axisY,
leftAxis = $$.main.select('.' + leftAxisClass).node(),
svgRect = leftAxis && hasLeftAxisRect ? leftAxis.getBoundingClientRect() : {right: 0},
chartRect = $$.selectChart.node().getBoundingClientRect(),
hasArc = $$.hasArcType(),
svgLeft = svgRect.right - chartRect.left - (hasArc ? 0 : $$.getCurrentPaddingLeft(withoutRecompute));
return svgLeft > 0 ? svgLeft : 0;
};

c3_chart_internal_fn.getAxisWidthByAxisId = function (id, withoutRecompute) {
var $$ = this, position = $$.axis.getLabelPositionById(id);
if ($$.config.noyticks) {
return ($$.config.innerTickSize+2.0)*$$.config.completeScale;
}
return $$.axis.getMaxTickWidth(id, withoutRecompute) + (position.isInner ? 1 : 16)*$$.config.completeScale + ($$.config.innerTickSize+3)*$$.config.completeScale;
};
c3_chart_internal_fn.getHorizontalAxisHeight = function (axisId) {
var $$ = this, config = $$.config, h = (config.innerTickSize+1.5)*config.completeScale;
if (axisId === 'x' && !config.axis_x_show) { return 8 * $$.config.completeScale; }
if (axisId === 'x' && config.axis_x_height) { return config.axis_x_height; }
if (axisId === 'y' && !config.axis_y_show) { return (config.legend_show && !$$.isLegendRight && !$$.isLegendInset ? 10 : 1) * $$.config.completeScale; }
if (axisId === 'y2' && !config.axis_y2_show) { return $$.rotated_padding_top; }
// Calculate x axis height when tick rotated
if (axisId === 'x' && !config.axis_rotated && config.axis_x_tick_rotate) {
var tmp = Math.cos(Math.PI * (90 - config.axis_x_tick_rotate) / 180);
h += $$.axis.getMaxTickWidth(axisId) * tmp + config.completeScale*3 * tmp +
config.completeScale*13 * Math.abs(1-tmp);
}
if (axisId === 'x' && !config.axis_rotated && !config.axis_x_tick_rotate) {
h += config.completeScale*13;
}
if (config.noxticks) {
return (config.innerTickSize+2.0)*config.completeScale;
}
return h + ($$.axis.getLabelPositionById(axisId).isInner ? 0 : 13*$$.config.completeScale) + (axisId === 'y2' ? -10 : 0) + 4 * config.completeScale; //padding
};

c3_chart_internal_fn.getEventRectWidth = function () {
return Math.max(0, this.xAxis.tickInterval());
};

c3_chart_internal_fn.getShapeIndices = function (typeFilter) {
var $$ = this, config = $$.config,
indices = {}, i = 0, j, k;
$$.filterTargetsToShow($$.data.targets.filter(typeFilter, $$)).forEach(function (d) {
for (j = 0; j < config.data_groups.length; j++) {
if (config.data_groups[j].indexOf(d.id) < 0) { continue; }
for (k = 0; k < config.data_groups[j].length; k++) {
if (config.data_groups[j][k] in indices) {
indices[d.id] = indices[config.data_groups[j][k]];
break;
}
}
}
if (isUndefined(indices[d.id])) { indices[d.id] = i++; }
});
indices.__max__ = i - 1;
return indices;
};
c3_chart_internal_fn.getShapeX = function (offset, targetsNum, indices, isSub) {
var $$ = this, scale = isSub ? $$.subX : $$.x;
return function (d) {
var index = d.id in indices ? indices[d.id] : 0;
return d.x || d.x === 0 ? scale(d.x) - offset * (targetsNum / 2 - index) : 0;
};
};
c3_chart_internal_fn.getShapeY = function (isSub) {
var $$ = this;
return function (d) {
var scale = isSub ? $$.getSubYScale(d.id) : $$.getYScale(d.id);
return scale(d.value);
};
};
c3_chart_internal_fn.getShapeOffset = function (typeFilter, indices, isSub) {
var $$ = this,
targets = $$.orderTargets($$.filterTargetsToShow($$.data.targets.filter(typeFilter, $$))),
targetIds = targets.map(function (t) { return t.id; });
return function (d, i) {
var scale = isSub ? $$.getSubYScale(d.id) : $$.getYScale(d.id),
y0 = scale(0), offset = y0;
targets.forEach(function (t) {
var values = $$.isStepType(d) ? $$.convertValuesToStep(t.values) : t.values;
if (t.id === d.id || indices[t.id] !== indices[d.id]) { return; }
if (targetIds.indexOf(t.id) < targetIds.indexOf(d.id)) {
// check if the x values line up
if (typeof values[i] === 'undefined' || +values[i].x !== +d.x) { // "+" for timeseries
// if not, try to find the value that does line up
i = -1;
values.forEach(function (v, j) {
if (v.x === d.x) {
i = j;
}
});
}
if (i in values && values[i].value * d.value >= 0) {
offset += scale(values[i].value) - y0;
}
}
});
return offset;
};
};
c3_chart_internal_fn.isWithinShape = function (that, d) {
var $$ = this,
shape = $$.d3.select(that), isWithin;
if (!$$.isTargetToShow(d.id)) {
isWithin = false;
}
else if (that.nodeName === 'circle') {
isWithin = $$.isStepType(d) ? $$.isWithinStep(that, $$.getYScale(d.id)(d.value)) : $$.isWithinCircle(that, $$.pointSelectR(d) * 1.5);
}
else if (that.nodeName === 'path') {
isWithin = shape.classed(CLASS.bar) ? $$.isWithinBar(that) : true;
}
return isWithin;
};

c3_chart_internal_fn.getInterpolate = function (d) {
var $$ = this,
interpolation = $$.isInterpolationType($$.config.spline_interpolation_type) ? $$.config.spline_interpolation_type : 'cardinal';
return $$.isSplineType(d) ? interpolation : $$.isStepType(d) ? $$.config.line_step_type : "linear";
};

c3_chart_internal_fn.initLine = function () {
var $$ = this;
$$.main.select('.' + CLASS.chart).append("g")
.attr("class", CLASS.chartLines);
};
c3_chart_internal_fn.updateTargetsForLine = function (targets) {
var $$ = this, config = $$.config,
mainLineUpdate, mainLineEnter,
classChartLine = $$.classChartLine.bind($$),
classLines = $$.classLines.bind($$),
classAreas = $$.classAreas.bind($$),
classCircles = $$.classCircles.bind($$),
classFocus = $$.classFocus.bind($$);
mainLineUpdate = $$.main.select('.' + CLASS.chartLines).selectAll('.' + CLASS.chartLine)
.data(targets)
.attr('class', function (d) { return classChartLine(d) + classFocus(d); });
mainLineEnter = mainLineUpdate.enter().append('g')
.attr('class', classChartLine)
.style('opacity', 0)
.style("pointer-events", "none");
// Lines for each data
mainLineEnter.append('g')
.attr("class", classLines);
// Areas
mainLineEnter.append('g')
.attr('class', classAreas);
// Circles for each data point on lines
mainLineEnter.append('g')
.attr("class", function (d) { return $$.generateClass(CLASS.selectedCircles, d.id); });
mainLineEnter.append('g')
.attr("class", classCircles)
.style("cursor", function (d) { return config.data_selection_isselectable(d) ? "pointer" : null; });
// Update date for selected circles
targets.forEach(function (t) {
$$.main.selectAll('.' + CLASS.selectedCircles + $$.getTargetSelectorSuffix(t.id)).selectAll('.' + CLASS.selectedCircle).each(function (d) {
d.value = t.values[d.index].value;
});
});
// MEMO: can not keep same color...
//mainLineUpdate.exit().remove();
};
c3_chart_internal_fn.updateLine = function (durationForExit) {
var $$ = this;
$$.mainLine = $$.main.selectAll('.' + CLASS.lines).selectAll('.' + CLASS.line)
.data($$.lineData.bind($$));
$$.mainLine.enter().append('path')
.attr('class', $$.classLine.bind($$))
.style("stroke", $$.color);
$$.mainLine
.style("opacity", $$.initialOpacity.bind($$))
.style('shape-rendering', function (d) { return $$.isStepType(d) ? 'crispEdges' : ''; })
.attr('transform', null);
$$.mainLine.exit().transition().duration(durationForExit)
.style('opacity', 0)
.remove();
};
c3_chart_internal_fn.redrawLine = function (drawLine, withTransition) {
return [
(withTransition ? this.mainLine.transition(Math.random().toString()) : this.mainLine)
.attr("d", drawLine)
.style("stroke", this.color)
.style("opacity", 1)
];
};
c3_chart_internal_fn.generateDrawLine = function (lineIndices, isSub) {
var $$ = this, config = $$.config,
line = $$.d3.svg.line(),
getPoints = $$.generateGetLinePoints(lineIndices, isSub),
yScaleGetter = isSub ? $$.getSubYScale : $$.getYScale,
xValue = function (d) { return (isSub ? $$.subxx : $$.xx).call($$, d); },
yValue = function (d, i) {
return config.data_groups.length > 0 ? getPoints(d, i)[0][1] : yScaleGetter.call($$, d.id)(d.value);
};

line = config.axis_rotated ? line.x(yValue).y(xValue) : line.x(xValue).y(yValue);
if (!config.line_connectNull) { line = line.defined(function (d) { return d.value != null; }); }
return function (d) {
var values = config.line_connectNull ? $$.filterRemoveNull(d.values) : d.values,
x = isSub ? $$.x : $$.subX, y = yScaleGetter.call($$, d.id), x0 = 0, y0 = 0, path;
if ($$.isLineType(d)) {
if (config.data_regions[d.id]) {
path = $$.lineWithRegions(values, x, y, config.data_regions[d.id]);
} else {
if ($$.isStepType(d)) { values = $$.convertValuesToStep(values); }
path = line.interpolate($$.getInterpolate(d))(values);
}
} else {
if (values[0]) {
x0 = x(values[0].x);
y0 = y(values[0].value);
}
path = config.axis_rotated ? "M " + y0 + " " + x0 : "M " + x0 + " " + y0;
}
return path ? path : "M 0 0";
};
};
c3_chart_internal_fn.generateGetLinePoints = function (lineIndices, isSub) { // partial duplication of generateGetBarPoints
var $$ = this, config = $$.config,
lineTargetsNum = lineIndices.__max__ + 1,
x = $$.getShapeX(0, lineTargetsNum, lineIndices, !!isSub),
y = $$.getShapeY(!!isSub),
lineOffset = $$.getShapeOffset($$.isLineType, lineIndices, !!isSub),
yScale = isSub ? $$.getSubYScale : $$.getYScale;
return function (d, i) {
var y0 = yScale.call($$, d.id)(0),
offset = lineOffset(d, i) || y0, // offset is for stacked area chart
posX = x(d), posY = y(d);
// fix posY not to overflow opposite quadrant
if (config.axis_rotated) {
if ((0 < d.value && posY < y0) || (d.value < 0 && y0 < posY)) { posY = y0; }
}
// 1 point that marks the line position
return [
[posX, posY - (y0 - offset)],
[posX, posY - (y0 - offset)], // needed for compatibility
[posX, posY - (y0 - offset)], // needed for compatibility
[posX, posY - (y0 - offset)] // needed for compatibility
];
};
};

c3_chart_internal_fn.lineWithRegions = function (d, x, y, _regions) {
var $$ = this, config = $$.config,
prev = -1, i, j,
s = "M", sWithRegion,
xp, yp, dx, dy, dd, diff, diffx2,
xOffset = $$.isCategorized() ? 0.5 : 0,
xValue, yValue,
regions = [];

function isWithinRegions(x, regions) {
var i;
for (i = 0; i < regions.length; i++) {
if (regions[i].start < x && x <= regions[i].end) { return true; }
}
return false;
}

// Check start/end of regions
if (isDefined(_regions)) {
for (i = 0; i < _regions.length; i++) {
regions[i] = {};
if (isUndefined(_regions[i].start)) {
regions[i].start = d[0].x;
} else {
regions[i].start = $$.isTimeSeries() ? $$.parseDate(_regions[i].start) : _regions[i].start;
}
if (isUndefined(_regions[i].end)) {
regions[i].end = d[d.length - 1].x;
} else {
regions[i].end = $$.isTimeSeries() ? $$.parseDate(_regions[i].end) : _regions[i].end;
}
}
}

// Set scales
xValue = config.axis_rotated ? function (d) { return y(d.value); } : function (d) { return x(d.x); };
yValue = config.axis_rotated ? function (d) { return x(d.x); } : function (d) { return y(d.value); };

// Define svg generator function for region
function generateM(points) {
return 'M' + points[0][0] + ' ' + points[0][1] + ' ' + points[1][0] + ' ' + points[1][1];
}
if ($$.isTimeSeries()) {
sWithRegion = function (d0, d1, j, diff) {
var x0 = d0.x.getTime(), x_diff = d1.x - d0.x,
xv0 = new Date(x0 + x_diff * j),
xv1 = new Date(x0 + x_diff * (j + diff)),
points;
if (config.axis_rotated) {
points = [[y(yp(j)), x(xv0)], [y(yp(j + diff)), x(xv1)]];
} else {
points = [[x(xv0), y(yp(j))], [x(xv1), y(yp(j + diff))]];
}
return generateM(points);
};
} else {
sWithRegion = function (d0, d1, j, diff) {
var points;
if (config.axis_rotated) {
points = [[y(yp(j), true), x(xp(j))], [y(yp(j + diff), true), x(xp(j + diff))]];
} else {
points = [[x(xp(j), true), y(yp(j))], [x(xp(j + diff), true), y(yp(j + diff))]];
}
return generateM(points);
};
}

// Generate
for (i = 0; i < d.length; i++) {

// Draw as normal
if (isUndefined(regions) || ! isWithinRegions(d[i].x, regions)) {
s += " " + xValue(d[i]) + " " + yValue(d[i]);
}
// Draw with region // TODO: Fix for horizotal charts
else {
xp = $$.getScale(d[i - 1].x + xOffset, d[i].x + xOffset, $$.isTimeSeries());
yp = $$.getScale(d[i - 1].value, d[i].value);

dx = x(d[i].x) - x(d[i - 1].x);
dy = y(d[i].value) - y(d[i - 1].value);
dd = Math.sqrt(Math.pow(dx, 2) + Math.pow(dy, 2));
diff = 2 / dd;
diffx2 = diff * 2;

for (j = diff; j <= 1; j += diffx2) {
s += sWithRegion(d[i - 1], d[i], j, diff);
}
}
prev = d[i].x;
}

return s;
};

c3_chart_internal_fn.updateArea = function (durationForExit) {
var $$ = this, d3 = $$.d3;
$$.mainArea = $$.main.selectAll('.' + CLASS.areas).selectAll('.' + CLASS.area)
.data($$.lineData.bind($$));
$$.mainArea.enter().append('path')
.attr("class", $$.classArea.bind($$))
.style("fill", $$.color)
.style("opacity", function () { $$.orgAreaOpacity = +d3.select(this).style('opacity'); return 0; });
$$.mainArea
.style("opacity", $$.orgAreaOpacity);
$$.mainArea.exit().transition().duration(durationForExit)
.style('opacity', 0)
.remove();
};
c3_chart_internal_fn.redrawArea = function (drawArea, withTransition) {
return [
(withTransition ? this.mainArea.transition(Math.random().toString()) : this.mainArea)
.attr("d", drawArea)
.style("fill", this.color)
.style("opacity", this.orgAreaOpacity)
];
};
c3_chart_internal_fn.generateDrawArea = function (areaIndices, isSub) {
var $$ = this, config = $$.config, area = $$.d3.svg.area(),
getPoints = $$.generateGetAreaPoints(areaIndices, isSub),
yScaleGetter = isSub ? $$.getSubYScale : $$.getYScale,
xValue = function (d) { return (isSub ? $$.subxx : $$.xx).call($$, d); },
value0 = function (d, i) {
return config.data_groups.length > 0 ? getPoints(d, i)[0][1] : yScaleGetter.call($$, d.id)($$.getAreaBaseValue(d.id));
},
value1 = function (d, i) {
return config.data_groups.length > 0 ? getPoints(d, i)[1][1] : yScaleGetter.call($$, d.id)(d.value);
};

area = config.axis_rotated ? area.x0(value0).x1(value1).y(xValue) : area.x(xValue).y0(value0).y1(value1);
if (!config.line_connectNull) {
area = area.defined(function (d) { return d.value !== null; });
}

return function (d) {
var values = config.line_connectNull ? $$.filterRemoveNull(d.values) : d.values,
x0 = 0, y0 = 0, path;
if ($$.isAreaType(d)) {
if ($$.isStepType(d)) { values = $$.convertValuesToStep(values); }
path = area.interpolate($$.getInterpolate(d))(values);
} else {
if (values[0]) {
x0 = $$.x(values[0].x);
y0 = $$.getYScale(d.id)(values[0].value);
}
path = config.axis_rotated ? "M " + y0 + " " + x0 : "M " + x0 + " " + y0;
}
return path ? path : "M 0 0";
};
};
c3_chart_internal_fn.getAreaBaseValue = function () {
return 0;
};
c3_chart_internal_fn.generateGetAreaPoints = function (areaIndices, isSub) { // partial duplication of generateGetBarPoints
var $$ = this, config = $$.config,
areaTargetsNum = areaIndices.__max__ + 1,
x = $$.getShapeX(0, areaTargetsNum, areaIndices, !!isSub),
y = $$.getShapeY(!!isSub),
areaOffset = $$.getShapeOffset($$.isAreaType, areaIndices, !!isSub),
yScale = isSub ? $$.getSubYScale : $$.getYScale;
return function (d, i) {
var y0 = yScale.call($$, d.id)(0),
offset = areaOffset(d, i) || y0, // offset is for stacked area chart
posX = x(d), posY = y(d);
// fix posY not to overflow opposite quadrant
if (config.axis_rotated) {
if ((0 < d.value && posY < y0) || (d.value < 0 && y0 < posY)) { posY = y0; }
}
// 1 point that marks the area position
return [
[posX, offset],
[posX, posY - (y0 - offset)],
[posX, posY - (y0 - offset)], // needed for compatibility
[posX, offset] // needed for compatibility
];
};
};

c3_chart_internal_fn.updateCircle = function () {
var $$ = this;
$$.mainCircle = $$.main.selectAll('.' + CLASS.circles).selectAll('.' + CLASS.circle)
.data($$.lineOrScatterData.bind($$));
$$.mainCircle.enter().append("circle")
.attr("class", $$.classCircle.bind($$))
.attr("r", $$.pointR.bind($$))
.style("fill", $$.color);
$$.mainCircle
.style("opacity", $$.initialOpacityForCircle.bind($$));
$$.mainCircle.exit().remove();
};
c3_chart_internal_fn.redrawCircle = function (cx, cy, withTransition) {
var selectedCircles = this.main.selectAll('.' + CLASS.selectedCircle);
return [
(withTransition ? this.mainCircle.transition(Math.random().toString()) : this.mainCircle)
.style('opacity', this.opacityForCircle.bind(this))
.style("fill", this.color)
.attr("cx", cx)
.attr("cy", cy),
(withTransition ? selectedCircles.transition(Math.random().toString()) : selectedCircles)
.attr("cx", cx)
.attr("cy", cy)
];
};
c3_chart_internal_fn.circleX = function (d) {
return d.x || d.x === 0 ? this.x(d.x) : null;
};
c3_chart_internal_fn.updateCircleY = function () {
var $$ = this, lineIndices, getPoints;
if ($$.config.data_groups.length > 0) {
lineIndices = $$.getShapeIndices($$.isLineType),
getPoints = $$.generateGetLinePoints(lineIndices);
$$.circleY = function (d, i) {
return getPoints(d, i)[0][1];
};
} else {
$$.circleY = function (d) {
return $$.getYScale(d.id)(d.value);
};
}
};
c3_chart_internal_fn.getCircles = function (i, id) {
var $$ = this;
return (id ? $$.main.selectAll('.' + CLASS.circles + $$.getTargetSelectorSuffix(id)) : $$.main).selectAll('.' + CLASS.circle + (isValue(i) ? '-' + i : ''));
};
c3_chart_internal_fn.expandCircles = function (i, id, reset) {
var $$ = this,
r = $$.pointExpandedR.bind($$);
if (reset) { $$.unexpandCircles(); }
$$.getCircles(i, id)
.classed(CLASS.EXPANDED, true)
.attr('r', r);
};
c3_chart_internal_fn.unexpandCircles = function (i) {
var $$ = this,
r = $$.pointR.bind($$);
$$.getCircles(i)
.filter(function () { return $$.d3.select(this).classed(CLASS.EXPANDED); })
.classed(CLASS.EXPANDED, false)
.attr('r', r);
};
c3_chart_internal_fn.pointR = function (d) {
var $$ = this, config = $$.config;
return $$.isStepType(d) ? 0 : (isFunction(config.point_r) ? config.point_r(d) : config.point_r);
};
c3_chart_internal_fn.pointExpandedR = function (d) {
var $$ = this, config = $$.config;
return config.point_focus_expand_enabled ? (config.point_focus_expand_r ? config.point_focus_expand_r : $$.pointR(d) * 1.75) : $$.pointR(d);
};
c3_chart_internal_fn.pointSelectR = function (d) {
var $$ = this, config = $$.config;
return config.point_select_r ? config.point_select_r : $$.pointR(d) * 4;
};
c3_chart_internal_fn.isWithinCircle = function (that, r) {
var d3 = this.d3,
mouse = d3.mouse(that), d3_this = d3.select(that),
cx = +d3_this.attr("cx"), cy = +d3_this.attr("cy");
return Math.sqrt(Math.pow(cx - mouse[0], 2) + Math.pow(cy - mouse[1], 2)) < r;
};
c3_chart_internal_fn.isWithinStep = function (that, y) {
return Math.abs(y - this.d3.mouse(that)[1]) < 30;
};

c3_chart_internal_fn.initBar = function () {
var $$ = this;
$$.main.select('.' + CLASS.chart).append("g")
.attr("class", CLASS.chartBars);
};
c3_chart_internal_fn.updateTargetsForBar = function (targets) {
var $$ = this, config = $$.config,
mainBarUpdate, mainBarEnter,
classChartBar = $$.classChartBar.bind($$),
classBars = $$.classBars.bind($$),
classFocus = $$.classFocus.bind($$);
mainBarUpdate = $$.main.select('.' + CLASS.chartBars).selectAll('.' + CLASS.chartBar)
.data(targets)
.attr('class', function (d) { return classChartBar(d) + classFocus(d); });
mainBarEnter = mainBarUpdate.enter().append('g')
.attr('class', classChartBar)
.style('opacity', 0)
.style("pointer-events", "none");
// Bars for each data
mainBarEnter.append('g')
.attr("class", classBars)
.style("cursor", function (d) { return config.data_selection_isselectable(d) ? "pointer" : null; });

};
c3_chart_internal_fn.updateBar = function (durationForExit) {
var $$ = this,
barData = $$.barData.bind($$),
classBar = $$.classBar.bind($$),
initialOpacity = $$.initialOpacity.bind($$),
color = function (d) { return $$.color(d.id); };
$$.mainBar = $$.main.selectAll('.' + CLASS.bars).selectAll('.' + CLASS.bar)
.data(barData);
$$.mainBar.enter().append('path')
.attr("class", classBar)
.style("stroke", color)
.style("fill", color);
$$.mainBar
.style("opacity", initialOpacity);
$$.mainBar.exit().transition().duration(durationForExit)
.style('opacity', 0)
.remove();
};
c3_chart_internal_fn.redrawBar = function (drawBar, withTransition) {
return [
(withTransition ? this.mainBar.transition(Math.random().toString()) : this.mainBar)
.attr('d', drawBar)
.style("fill", this.color)
.style("opacity", 1)
];
};
c3_chart_internal_fn.getBarW = function (axis, barTargetsNum) {
var $$ = this, config = $$.config,
w = typeof config.bar_width === 'number' ? config.bar_width : barTargetsNum ? (axis.tickInterval() * config.bar_width_ratio) / barTargetsNum : 0;
return config.bar_width_max && w > config.bar_width_max ? config.bar_width_max : w;
};
c3_chart_internal_fn.getBars = function (i, id) {
var $$ = this;
return (id ? $$.main.selectAll('.' + CLASS.bars + $$.getTargetSelectorSuffix(id)) : $$.main).selectAll('.' + CLASS.bar + (isValue(i) ? '-' + i : ''));
};
c3_chart_internal_fn.expandBars = function (i, id, reset) {
var $$ = this;
if (reset) { $$.unexpandBars(); }
$$.getBars(i, id).classed(CLASS.EXPANDED, true);
};
c3_chart_internal_fn.unexpandBars = function (i) {
var $$ = this;
$$.getBars(i).classed(CLASS.EXPANDED, false);
};
c3_chart_internal_fn.generateDrawBar = function (barIndices, isSub) {
var $$ = this, config = $$.config,
getPoints = $$.generateGetBarPoints(barIndices, isSub);
return function (d, i) {
// 4 points that make a bar
var points = getPoints(d, i);

// switch points if axis is rotated, not applicable for sub chart
var indexX = config.axis_rotated ? 1 : 0;
var indexY = config.axis_rotated ? 0 : 1;

var path = 'M ' + points[0][indexX] + ',' + points[0][indexY] + ' ' +
'L' + points[1][indexX] + ',' + points[1][indexY] + ' ' +
'L' + points[2][indexX] + ',' + points[2][indexY] + ' ' +
'L' + points[3][indexX] + ',' + points[3][indexY] + ' ' +
'z';

return path;
};
};
c3_chart_internal_fn.generateGetBarPoints = function (barIndices, isSub) {
var $$ = this,
axis = isSub ? $$.subXAxis : $$.xAxis,
barTargetsNum = barIndices.__max__ + 1,
barW = $$.getBarW(axis, barTargetsNum),
barX = $$.getShapeX(barW, barTargetsNum, barIndices, !!isSub),
barY = $$.getShapeY(!!isSub),
barOffset = $$.getShapeOffset($$.isBarType, barIndices, !!isSub),
yScale = isSub ? $$.getSubYScale : $$.getYScale;
return function (d, i) {
var y0 = yScale.call($$, d.id)(0),
offset = barOffset(d, i) || y0, // offset is for stacked bar chart
posX = barX(d), posY = barY(d);
// fix posY not to overflow opposite quadrant
if ($$.config.axis_rotated) {
if ((0 < d.value && posY < y0) || (d.value < 0 && y0 < posY)) { posY = y0; }
}
// 4 points that make a bar
return [
[posX, offset],
[posX, posY - (y0 - offset)],
[posX + barW, posY - (y0 - offset)],
[posX + barW, offset]
];
};
};
c3_chart_internal_fn.isWithinBar = function (that) {
var mouse = this.d3.mouse(that), box = that.getBoundingClientRect(),
seg0 = that.pathSegList.getItem(0), seg1 = that.pathSegList.getItem(1),
x = Math.min(seg0.x, seg1.x), y = Math.min(seg0.y, seg1.y),
w = box.width, h = box.height, offset = 2,
sx = x - offset, ex = x + w + offset, sy = y + h + offset, ey = y - offset;
return sx < mouse[0] && mouse[0] < ex && ey < mouse[1] && mouse[1] < sy;
};

c3_chart_internal_fn.initText = function () {
var $$ = this;
$$.main.select('.' + CLASS.chart).append("g")
.attr("class", CLASS.chartTexts);
$$.mainText = $$.d3.selectAll([]);
};
c3_chart_internal_fn.updateTargetsForText = function (targets) {
var $$ = this, mainTextUpdate, mainTextEnter,
classChartText = $$.classChartText.bind($$),
classTexts = $$.classTexts.bind($$),
classFocus = $$.classFocus.bind($$);
mainTextUpdate = $$.main.select('.' + CLASS.chartTexts).selectAll('.' + CLASS.chartText)
.data(targets)
.attr('class', function (d) { return classChartText(d) + classFocus(d); });
mainTextEnter = mainTextUpdate.enter().append('g')
.attr('class', classChartText)
.style('opacity', 0)
.style("pointer-events", "none");
mainTextEnter.append('g')
.attr('class', classTexts);
};
c3_chart_internal_fn.updateText = function (durationForExit) {
var $$ = this, config = $$.config,
barOrLineData = $$.barOrLineData.bind($$),
classText = $$.classText.bind($$);
$$.mainText = $$.main.selectAll('.' + CLASS.texts).selectAll('.' + CLASS.text)
.data(barOrLineData);
$$.mainText.enter().append('text')
.attr("class", classText)
.attr('text-anchor', function (d) { return config.axis_rotated ? (d.value < 0 ? 'end' : 'start') : 'middle'; })
.style("stroke", 'none')
.style("fill", function (d) { return $$.color(d); })
.style("fill-opacity", 0);
$$.mainText
.text(function (d, i, j) { return $$.dataLabelFormat(d.id)(d.value, d.id, i, j); });
$$.mainText.exit()
.transition().duration(durationForExit)
.style('fill-opacity', 0)
.remove();
};
c3_chart_internal_fn.redrawText = function (xForText, yForText, forFlow, withTransition) {
return [
(withTransition ? this.mainText.transition() : this.mainText)
.attr('x', xForText)
.attr('y', yForText)
.style("fill", this.color)
.style("fill-opacity", forFlow ? 0 : this.opacityForText.bind(this))
];
};
c3_chart_internal_fn.getTextRect = function (text, cls, element) {
var dummy = this.d3.select('body').append('div').classed('c3', true),
svg = dummy.append("svg").style('visibility', 'hidden').style('position', 'fixed').style('top', 0).style('left', 0).style('font-size', $(this.config.bindto.parentElement).css('font-size')).style('font-family', $(this.config.bindto.parentElement).css('font-family')),
rect;
svg.selectAll('.dummy')
.data([text])
.enter().append('text')
.classed(cls ? cls : "", true)
.text(text)
.each(function () { rect = this.getBoundingClientRect(); });
dummy.remove();
return rect;
};
c3_chart_internal_fn.generateXYForText = function (areaIndices, barIndices, lineIndices, forX) {
var $$ = this,
getAreaPoints = $$.generateGetAreaPoints(areaIndices, false),
getBarPoints = $$.generateGetBarPoints(barIndices, false),
getLinePoints = $$.generateGetLinePoints(lineIndices, false),
getter = forX ? $$.getXForText : $$.getYForText;
return function (d, i) {
var getPoints = $$.isAreaType(d) ? getAreaPoints : $$.isBarType(d) ? getBarPoints : getLinePoints;
return getter.call($$, getPoints(d, i), d, this);
};
};
c3_chart_internal_fn.getXForText = function (points, d, textElement) {
var $$ = this,
box = textElement.getBoundingClientRect(), xPos, padding;
if ($$.config.axis_rotated) {
padding = $$.isBarType(d) ? 4 : 6;
xPos = points[2][1] + padding * (d.value < 0 ? -1 : 1);
} else {
xPos = $$.hasType('bar') ? (points[2][0] + points[0][0]) / 2 : points[0][0];
}
// show labels regardless of the domain if value is null
if (d.value === null) {
if (xPos > $$.width) {
xPos = $$.width - box.width;
} else if (xPos < 0) {
xPos = 4;
}
}
return xPos;
};
c3_chart_internal_fn.getYForText = function (points, d, textElement) {
var $$ = this,
box = textElement.getBoundingClientRect(),
yPos;
if ($$.config.axis_rotated) {
yPos = (points[0][0] + points[2][0] + box.height * 0.6) / 2;
} else {
yPos = points[2][1];
if (d.value < 0 || (d.value === 0 && !$$.hasPositiveValue)) {
yPos += box.height;
if ($$.isBarType(d) && $$.isSafari()) {
yPos -= 3;
}
else if (!$$.isBarType(d) && $$.isChrome()) {
yPos += 3;
}
} else {
yPos += $$.isBarType(d) ? -3 : -6;
}
}
// show labels regardless of the domain if value is null
if (d.value === null && !$$.config.axis_rotated) {
if (yPos < box.height) {
yPos = box.height;
} else if (yPos > this.height) {
yPos = this.height - 4;
}
}
return yPos;
};

c3_chart_internal_fn.setTargetType = function (targetIds, type) {
var $$ = this, config = $$.config;
$$.mapToTargetIds(targetIds).forEach(function (id) {
$$.withoutFadeIn[id] = (type === config.data_types[id]);
config.data_types[id] = type;
});
if (!targetIds) {
config.data_type = type;
}
};
c3_chart_internal_fn.hasType = function (type, targets) {
var $$ = this, types = $$.config.data_types, has = false;
targets = targets || $$.data.targets;
if (targets && targets.length) {
targets.forEach(function (target) {
var t = types[target.id];
if ((t && t.indexOf(type) >= 0) || (!t && type === 'line')) {
has = true;
}
});
} else if (Object.keys(types).length) {
Object.keys(types).forEach(function (id) {
if (types[id] === type) { has = true; }
});
} else {
has = $$.config.data_type === type;
}
return has;
};
c3_chart_internal_fn.hasArcType = function (targets) {
return this.hasType('pie', targets) || this.hasType('donut', targets) || this.hasType('gauge', targets);
};
c3_chart_internal_fn.isLineType = function (d) {
var config = this.config, id = isString(d) ? d : d.id;
return !config.data_types[id] || ['line', 'spline', 'area', 'area-spline', 'step', 'area-step'].indexOf(config.data_types[id]) >= 0;
};
c3_chart_internal_fn.isStepType = function (d) {
var id = isString(d) ? d : d.id;
return ['step', 'area-step'].indexOf(this.config.data_types[id]) >= 0;
};
c3_chart_internal_fn.isSplineType = function (d) {
var id = isString(d) ? d : d.id;
return ['spline', 'area-spline'].indexOf(this.config.data_types[id]) >= 0;
};
c3_chart_internal_fn.isAreaType = function (d) {
var id = isString(d) ? d : d.id;
return ['area', 'area-spline', 'area-step'].indexOf(this.config.data_types[id]) >= 0;
};
c3_chart_internal_fn.isBarType = function (d) {
var id = isString(d) ? d : d.id;
return this.config.data_types[id] === 'bar';
};
c3_chart_internal_fn.isScatterType = function (d) {
var id = isString(d) ? d : d.id;
return this.config.data_types[id] === 'scatter';
};
c3_chart_internal_fn.isPieType = function (d) {
var id = isString(d) ? d : d.id;
return this.config.data_types[id] === 'pie';
};
c3_chart_internal_fn.isGaugeType = function (d) {
var id = isString(d) ? d : d.id;
return this.config.data_types[id] === 'gauge';
};
c3_chart_internal_fn.isDonutType = function (d) {
var id = isString(d) ? d : d.id;
return this.config.data_types[id] === 'donut';
};
c3_chart_internal_fn.isArcType = function (d) {
return this.isPieType(d) || this.isDonutType(d) || this.isGaugeType(d);
};
c3_chart_internal_fn.lineData = function (d) {
return this.isLineType(d) ? [d] : [];
};
c3_chart_internal_fn.arcData = function (d) {
return this.isArcType(d.data) ? [d] : [];
};
/* not used
function scatterData(d) {
return isScatterType(d) ? d.values : [];
}
*/
c3_chart_internal_fn.barData = function (d) {
return this.isBarType(d) ? d.values : [];
};
c3_chart_internal_fn.lineOrScatterData = function (d) {
return this.isLineType(d) || this.isScatterType(d) ? d.values : [];
};
c3_chart_internal_fn.barOrLineData = function (d) {
return this.isBarType(d) || this.isLineType(d) ? d.values : [];
};
c3_chart_internal_fn.isInterpolationType = function (type) {
return ['linear', 'linear-closed', 'basis', 'basis-open', 'basis-closed', 'bundle', 'cardinal', 'cardinal-open', 'cardinal-closed', 'monotone'].indexOf(type) >= 0;
};

c3_chart_internal_fn.initGrid = function () {
var $$ = this, config = $$.config, d3 = $$.d3;
$$.grid = $$.main.append('g')
.attr("clip-path", $$.clipPathForGrid)
.attr('class', CLASS.grid);
if (config.grid_x_show) {
$$.grid.append("g").attr("class", CLASS.xgrids);
}
if (config.grid_y_show) {
$$.grid.append('g').attr('class', CLASS.ygrids);
}
if (config.grid_focus_show) {
$$.grid.append('g')
.attr("class", CLASS.xgridFocus)
.append('line')
.attr('class', CLASS.xgridFocus);
}
$$.xgrid = d3.selectAll([]);
if (!config.grid_lines_front) { $$.initGridLines(); }
};
c3_chart_internal_fn.initGridLines = function () {
var $$ = this, d3 = $$.d3;
$$.gridLines = $$.main.append('g')
.attr("clip-path", $$.clipPathForGrid)
.attr('class', CLASS.grid + ' ' + CLASS.gridLines);
$$.gridLines.append('g').attr("class", CLASS.xgridLines);
$$.gridLines.append('g').attr('class', CLASS.ygridLines);
$$.xgridLines = d3.selectAll([]);
};
c3_chart_internal_fn.updateXGrid = function (withoutUpdate) {
var $$ = this, config = $$.config, d3 = $$.d3,
xgridData = $$.generateGridData(config.grid_x_type, $$.x),
tickOffset = $$.isCategorized() ? $$.xAxis.tickOffset() : 0;

$$.xgridAttr = config.axis_rotated ? {
'x1': 0,
'x2': $$.width,
'y1': function (d) { return $$.x(d) - tickOffset; },
'y2': function (d) { return $$.x(d) - tickOffset; }
} : {
'x1': function (d) { return $$.x(d) + tickOffset; },
'x2': function (d) { return $$.x(d) + tickOffset; },
'y1': 0,
'y2': $$.height
};

$$.xgrid = $$.main.select('.' + CLASS.xgrids).selectAll('.' + CLASS.xgrid)
.data(xgridData);
$$.xgrid.enter().append('line').attr("class", CLASS.xgrid);
if (!withoutUpdate) {
$$.xgrid.attr($$.xgridAttr)
.style("opacity", function () { return +d3.select(this).attr(config.axis_rotated ? 'y1' : 'x1') === (config.axis_rotated ? $$.height : 0) ? 0 : 1; });
}
$$.xgrid.exit().remove();
};

c3_chart_internal_fn.updateYGrid = function () {
var $$ = this, config = $$.config,
gridValues = $$.yAxis.tickValues() || $$.y.ticks(config.grid_y_ticks);
$$.ygrid = $$.main.select('.' + CLASS.ygrids).selectAll('.' + CLASS.ygrid)
.data(gridValues);
$$.ygrid.enter().append('line')
.attr('class', CLASS.ygrid);
$$.ygrid.attr("x1", config.axis_rotated ? $$.y : 0)
.attr("x2", config.axis_rotated ? $$.y : $$.width)
.attr("y1", config.axis_rotated ? 0 : $$.y)
.attr("y2", config.axis_rotated ? $$.height : $$.y);
$$.ygrid.exit().remove();
$$.smoothLines($$.ygrid, 'grid');
};

c3_chart_internal_fn.gridTextAnchor = function (d) {
return d.position ? d.position : "end";
};
c3_chart_internal_fn.gridTextDx = function (d) {
return d.position === 'start' ? 4 : d.position === 'middle' ? 0 : -4;
};
c3_chart_internal_fn.xGridTextX = function (d) {
return d.position === 'start' ? -this.height : d.position === 'middle' ? -this.height / 2 : 0;
};
c3_chart_internal_fn.yGridTextX = function (d) {
return d.position === 'start' ? 0 : d.position === 'middle' ? this.width / 2 : this.width;
};
c3_chart_internal_fn.updateGrid = function (duration) {
var $$ = this, main = $$.main, config = $$.config,
xgridLine, ygridLine, yv;

// hide if arc type
$$.grid.style('visibility', $$.hasArcType() ? 'hidden' : 'visible');

main.select('line.' + CLASS.xgridFocus).style("visibility", "hidden");
if (config.grid_x_show) {
$$.updateXGrid();
}
$$.xgridLines = main.select('.' + CLASS.xgridLines).selectAll('.' + CLASS.xgridLine)
.data(config.grid_x_lines);
// enter
xgridLine = $$.xgridLines.enter().append('g')
.attr("class", function (d) { return CLASS.xgridLine + (d['class'] ? ' ' + d['class'] : ''); });
xgridLine.append('line')
.style("opacity", 0);
xgridLine.append('text')
.attr("text-anchor", $$.gridTextAnchor)
.attr("transform", config.axis_rotated ? "" : "rotate(-90)")
.attr('dx', $$.gridTextDx)
.attr('dy', -5)
.style("opacity", 0);
// udpate
// done in d3.transition() of the end of this function
// exit
$$.xgridLines.exit().transition().duration(duration)
.style("opacity", 0)
.remove();

// Y-Grid
if (config.grid_y_show) {
$$.updateYGrid();
}
$$.ygridLines = main.select('.' + CLASS.ygridLines).selectAll('.' + CLASS.ygridLine)
.data(config.grid_y_lines);
// enter
ygridLine = $$.ygridLines.enter().append('g')
.attr("class", function (d) { return CLASS.ygridLine + (d['class'] ? ' ' + d['class'] : ''); });
ygridLine.append('line')
.style("opacity", 0);
ygridLine.append('text')
.attr("text-anchor", $$.gridTextAnchor)
.attr("transform", config.axis_rotated ? "rotate(-90)" : "")
.attr('dx', $$.gridTextDx)
.attr('dy', -5)
.style("opacity", 0);
// update
yv = $$.yv.bind($$);
$$.ygridLines.select('line')
.transition().duration(duration)
.attr("x1", config.axis_rotated ? yv : 0)
.attr("x2", config.axis_rotated ? yv : $$.width)
.attr("y1", config.axis_rotated ? 0 : yv)
.attr("y2", config.axis_rotated ? $$.height : yv)
.style("opacity", 1);
$$.ygridLines.select('text')
.transition().duration(duration)
.attr("x", config.axis_rotated ? $$.xGridTextX.bind($$) : $$.yGridTextX.bind($$))
.attr("y", yv)
.text(function (d) { return d.text; })
.style("opacity", 1);
// exit
$$.ygridLines.exit().transition().duration(duration)
.style("opacity", 0)
.remove();
};
c3_chart_internal_fn.redrawGrid = function (withTransition) {
var $$ = this, config = $$.config, xv = $$.xv.bind($$),
lines = $$.xgridLines.select('line'),
texts = $$.xgridLines.select('text');
return [
(withTransition ? lines.transition() : lines)
.attr("x1", config.axis_rotated ? 0 : xv)
.attr("x2", config.axis_rotated ? $$.width : xv)
.attr("y1", config.axis_rotated ? xv : 0)
.attr("y2", config.axis_rotated ? xv : $$.height)
.style("opacity", 1),
(withTransition ? texts.transition() : texts)
.attr("x", config.axis_rotated ? $$.yGridTextX.bind($$) : $$.xGridTextX.bind($$))
.attr("y", xv)
.text(function (d) { return d.text; })
.style("opacity", 1)
];
};
c3_chart_internal_fn.showXGridFocus = function (selectedData) {
var $$ = this, config = $$.config,
dataToShow = selectedData.filter(function (d) { return d && isValue(d.value); }),
focusEl = $$.main.selectAll('line.' + CLASS.xgridFocus),
xx = $$.xx.bind($$);
if (! config.tooltip_show) { return; }
// Hide when scatter plot exists
if ($$.hasType('scatter') || $$.hasArcType()) { return; }
focusEl
.style("visibility", "visible")
.data([dataToShow[0]])
.attr(config.axis_rotated ? 'y1' : 'x1', xx)
.attr(config.axis_rotated ? 'y2' : 'x2', xx);
$$.smoothLines(focusEl, 'grid');
};
c3_chart_internal_fn.hideXGridFocus = function () {
this.main.select('line.' + CLASS.xgridFocus).style("visibility", "hidden");
};
c3_chart_internal_fn.updateXgridFocus = function () {
var $$ = this, config = $$.config;
$$.main.select('line.' + CLASS.xgridFocus)
.attr("x1", config.axis_rotated ? 0 : -10)
.attr("x2", config.axis_rotated ? $$.width : -10)
.attr("y1", config.axis_rotated ? -10 : 0)
.attr("y2", config.axis_rotated ? -10 : $$.height);
};
c3_chart_internal_fn.generateGridData = function (type, scale) {
var $$ = this,
gridData = [], xDomain, firstYear, lastYear, i,
tickNum = $$.main.select("." + CLASS.axisX).selectAll('.tick').size();
if (type === 'year') {
xDomain = $$.getXDomain();
firstYear = xDomain[0].getFullYear();
lastYear = xDomain[1].getFullYear();
for (i = firstYear; i <= lastYear; i++) {
gridData.push(new Date(i + '-01-01 00:00:00'));
}
} else {
gridData = scale.ticks(10);
if (gridData.length > tickNum) { // use only int
gridData = gridData.filter(function (d) { return ("" + d).indexOf('.') < 0; });
}
}
return gridData;
};
c3_chart_internal_fn.getGridFilterToRemove = function (params) {
return params ? function (line) {
var found = false;
[].concat(params).forEach(function (param) {
if ((('value' in param && line.value === param.value) || ('class' in param && line['class'] === param['class']))) {
found = true;
}
});
return found;
} : function () { return true; };
};
c3_chart_internal_fn.removeGridLines = function (params, forX) {
var $$ = this, config = $$.config,
toRemove = $$.getGridFilterToRemove(params),
toShow = function (line) { return !toRemove(line); },
classLines = forX ? CLASS.xgridLines : CLASS.ygridLines,
classLine = forX ? CLASS.xgridLine : CLASS.ygridLine;
$$.main.select('.' + classLines).selectAll('.' + classLine).filter(toRemove)
.transition().duration(config.transition_duration)
.style('opacity', 0).remove();
if (forX) {
config.grid_x_lines = config.grid_x_lines.filter(toShow);
} else {
config.grid_y_lines = config.grid_y_lines.filter(toShow);
}
};

c3_chart_internal_fn.initTooltip = function () {
var $$ = this, config = $$.config, i;
$$.tooltip = $$.selectChart
.style("position", "relative")
.append("div")
.attr('class', CLASS.tooltipContainer)
.style("position", "absolute")
.style("pointer-events", "none")
.style("display", "none");
// Show tooltip if needed
if (config.tooltip_init_show) {
if ($$.isTimeSeries() && isString(config.tooltip_init_x)) {
config.tooltip_init_x = $$.parseDate(config.tooltip_init_x);
for (i = 0; i < $$.data.targets[0].values.length; i++) {
if (($$.data.targets[0].values[i].x - config.tooltip_init_x) === 0) { break; }
}
config.tooltip_init_x = i;
}
$$.tooltip.html(config.tooltip_contents.call($$, $$.data.targets.map(function (d) {
return $$.addName(d.values[config.tooltip_init_x]);
}), $$.axis.getXAxisTickFormat(), $$.getYFormat($$.hasArcType()), $$.color));
$$.tooltip.style("top", config.tooltip_init_position.top)
.style("left", config.tooltip_init_position.left)
.style("display", "block");
}
};
c3_chart_internal_fn.getTooltipContent = function (d, defaultTitleFormat, defaultValueFormat, color) {
var $$ = this, config = $$.config,
titleFormat = config.tooltip_format_title || defaultTitleFormat,
nameFormat = config.tooltip_format_name || function (name) { return name; },
valueFormat = config.tooltip_format_value || defaultValueFormat,
text, i, title, value, name, bgcolor,
orderAsc = $$.isOrderAsc();

if (config.data_groups.length === 0) {
d.sort(function(a,b){
return typeof a === "undefined" || typeof b === "undefined" ? orderAsc ? a.value - b.value : b.value - a.value : 0;
});
} else {
var ids = $$.orderTargets($$.data.targets).map(function (i) {
return i.id;
});
d.sort(function(a, b) {
if (a.value > 0 && b.value > 0) {
return orderAsc ? ids.indexOf(a.id) - ids.indexOf(b.id) : ids.indexOf(b.id) - ids.indexOf(a.id);
} else {
return orderAsc ? a.value - b.value : b.value - a.value;
}
});
}

for (i = 0; i < d.length; i++) {
if (! (d[i] && (d[i].value || d[i].value === 0))) { continue; }

if (! text) {
title = titleFormat ? titleFormat(d[i].x) : d[i].x;
text = "<table class='" + $$.CLASS.tooltip + "'>" + (title || title === 0 ? "<tr><th colspan='2'>" + title + "</th></tr>" : "");
}

value = valueFormat(d[i].value, d[i].ratio, d[i].id, d[i].index);
if (value !== undefined) {
// Skip elements when their name is set to null
if (d[i].name === null) { continue; }
name = nameFormat(d[i].name, d[i].ratio, d[i].id, d[i].index);
bgcolor = $$.levelColor ? $$.levelColor(d[i].value) : color(d[i].id);

text += "<tr class='" + $$.CLASS.tooltipName + "-" + $$.getTargetSelectorSuffix(d[i].id) + "'>";
text += "<td class='name'><span style='background-color:" + bgcolor + "'></span>" + name + "</td>";
text += "<td class='value'>" + value + "</td>";
text += "</tr>";
}
}
return text + "</table>";
};
c3_chart_internal_fn.tooltipPosition = function (dataToShow, tWidth, tHeight, element) {
var $$ = this, config = $$.config, d3 = $$.d3;
var svgLeft, tooltipLeft, tooltipRight, tooltipTop, chartRight;
var forArc = $$.hasArcType(),
mouse = d3.mouse(element);
// Determin tooltip position
if (forArc) {
tooltipLeft = (($$.width - ($$.isLegendRight ? $$.getLegendWidth() : 0)) / 2) + mouse[0];
tooltipTop = ($$.height / 2) + mouse[1] + 20;
} else {
svgLeft = $$.getSvgLeft(true);
if (config.axis_rotated) {
tooltipLeft = svgLeft + mouse[0] + 100;
tooltipRight = tooltipLeft + tWidth;
chartRight = $$.currentWidth - $$.getCurrentPaddingRight();
tooltipTop = $$.x(dataToShow[0].x) + 20;
} else {
tooltipLeft = svgLeft + $$.getCurrentPaddingLeft(true) + $$.x(dataToShow[0].x) + 20;
tooltipRight = tooltipLeft + tWidth;
chartRight = svgLeft + $$.currentWidth - $$.getCurrentPaddingRight();
tooltipTop = mouse[1] + 15;
}

if (tooltipRight > chartRight) {
// 20 is needed for Firefox to keep tooltip width
tooltipLeft -= tooltipRight - chartRight + 20;
}
if (tooltipTop + tHeight > $$.currentHeight) {
tooltipTop -= tHeight + 30;
}
}
if (tooltipTop < 0) {
tooltipTop = 0;
}
return {top: tooltipTop, left: tooltipLeft};
};
c3_chart_internal_fn.showTooltip = function (selectedData, element) {
var $$ = this, config = $$.config;
var tWidth, tHeight, position;
var forArc = $$.hasArcType(),
dataToShow = selectedData.filter(function (d) { return d && isValue(d.value); }),
positionFunction = config.tooltip_position || c3_chart_internal_fn.tooltipPosition;
if (dataToShow.length === 0 || !config.tooltip_show) {
return;
}
$$.tooltip.html(config.tooltip_contents.call($$, selectedData, $$.axis.getXAxisTickFormat(), $$.getYFormat(forArc), $$.color)).style("display", "block");

// Get tooltip dimensions
tWidth = $$.tooltip.property('offsetWidth');
tHeight = $$.tooltip.property('offsetHeight');

position = positionFunction.call(this, dataToShow, tWidth, tHeight, element);
// Set tooltip
$$.tooltip
.style("top", position.top + "px")
.style("left", position.left + 'px');
};
c3_chart_internal_fn.hideTooltip = function () {
this.tooltip.style("display", "none");
};

c3_chart_internal_fn.initLegend = function () {
var $$ = this;
$$.legendItemTextBox = {};
$$.legendHasRendered = false;
$$.legend = $$.svg.append("g").attr("transform", $$.getTranslate('legend'));
if (!$$.config.legend_show) {
$$.legend.style('visibility', 'hidden');
$$.hiddenLegendIds = $$.mapToIds($$.data.targets);
return;
}
// MEMO: call here to update legend box and tranlate for all
// MEMO: translate will be upated by this, so transform not needed in updateLegend()
$$.updateLegendWithDefaults();
};
c3_chart_internal_fn.updateLegendWithDefaults = function () {
var $$ = this;
$$.updateLegend($$.mapToIds($$.data.targets), {withTransform: false, withTransitionForTransform: false, withTransition: false});
};
c3_chart_internal_fn.updateSizeForLegend = function (legendHeight, legendWidth) {
var $$ = this, config = $$.config, insetLegendPosition = {
top: $$.isLegendTop ? $$.getCurrentPaddingTop() + (config.legend_inset_y + 5.5) * config.completeScale : $$.currentHeight - legendHeight - $$.getCurrentPaddingBottom() - config.legend_inset_y * config.completeScale,
left: $$.isLegendLeft ? $$.getCurrentPaddingLeft() + (config.legend_inset_x + 0.5) * config.completeScale : $$.currentWidth - legendWidth - $$.getCurrentPaddingRight() - (config.legend_inset_x + 0.5) * config.completeScale
};

$$.margin3 = {
top: ($$.isLegendRight ? 0 : $$.isLegendInset ? insetLegendPosition.top : $$.currentHeight - legendHeight + 6 * config.completeScale),
right: NaN,
bottom: 0,
left: $$.isLegendRight ? $$.currentWidth - legendWidth : $$.isLegendInset ? insetLegendPosition.left : 0
};
};
c3_chart_internal_fn.transformLegend = function (withTransition) {
var $$ = this;
(withTransition ? $$.legend.transition() : $$.legend).attr("transform", $$.getTranslate('legend'));
};
c3_chart_internal_fn.updateLegendStep = function (step) {
this.legendStep = step;
};
c3_chart_internal_fn.updateLegendItemWidth = function (w) {
this.legendItemWidth = w;
};
c3_chart_internal_fn.updateLegendItemHeight = function (h) {
this.legendItemHeight = h;
};
c3_chart_internal_fn.getLegendWidth = function () {
var $$ = this;
return $$.config.legend_show ? $$.isLegendRight || $$.isLegendInset ? $$.legendItemWidth * ($$.legendStep + 1) : $$.currentWidth : 0;
};
c3_chart_internal_fn.getLegendHeight = function () {
var $$ = this, h = 0;
if ($$.config.legend_show) {
if ($$.isLegendRight) {
h = $$.currentHeight;
} else {
h = $$.legendItemHeight * ($$.legendStep + 1)
}
}
return h;
};
c3_chart_internal_fn.opacityForLegend = function (legendItem) {
return legendItem.classed(CLASS.legendItemHidden) ? null : 1;
};
c3_chart_internal_fn.opacityForUnfocusedLegend = function (legendItem) {
return legendItem.classed(CLASS.legendItemHidden) ? null : 0.3;
};
c3_chart_internal_fn.toggleFocusLegend = function (targetIds, focus) {
var $$ = this;
targetIds = $$.mapToTargetIds(targetIds);
$$.legend.selectAll('.' + CLASS.legendItem)
.filter(function (id) { return targetIds.indexOf(id) >= 0; })
.classed(CLASS.legendItemFocused, focus)
.transition().duration(100)
.style('opacity', function () {
var opacity = focus ? $$.opacityForLegend : $$.opacityForUnfocusedLegend;
return opacity.call($$, $$.d3.select(this));
});
};
c3_chart_internal_fn.revertLegend = function () {
var $$ = this, d3 = $$.d3;
$$.legend.selectAll('.' + CLASS.legendItem)
.classed(CLASS.legendItemFocused, false)
.transition().duration(100)
.style('opacity', function () { return $$.opacityForLegend(d3.select(this)); });
};
c3_chart_internal_fn.showLegend = function (targetIds) {
var $$ = this, config = $$.config;
if (!config.legend_show) {
config.legend_show = true;
$$.legend.style('visibility', 'visible');
if (!$$.legendHasRendered) {
$$.updateLegendWithDefaults();
}
}
$$.removeHiddenLegendIds(targetIds);
$$.legend.selectAll($$.selectorLegends(targetIds))
.style('visibility', 'visible')
.transition()
.style('opacity', function () { return $$.opacityForLegend($$.d3.select(this)); });
};
c3_chart_internal_fn.hideLegend = function (targetIds) {
var $$ = this, config = $$.config;
if (config.legend_show && isEmpty(targetIds)) {
config.legend_show = false;
$$.legend.style('visibility', 'hidden');
}
$$.addHiddenLegendIds(targetIds);
$$.legend.selectAll($$.selectorLegends(targetIds))
.style('opacity', 0)
.style('visibility', 'hidden');
};
c3_chart_internal_fn.clearLegendItemTextBoxCache = function () {
this.legendItemTextBox = {};
};
c3_chart_internal_fn.updateLegend = function (targetIds, options, transitions) {
var $$ = this, config = $$.config;
var xForLegend, xForLegendText, xForLegendRect, yForLegend, yForLegendText, yForLegendRect, x1ForLegendTile, x2ForLegendTile, yForLegendTile;
var paddingTop = config.completeScale*2, paddingRight = config.completeScale*3, maxWidth = 0, maxHeight = 0, posMin = $$.isLegendInset ? config.legend_inset_step ? config.completeScale*3 : 0 : config.completeScale*10, tileWidth = config.completeScale*(config.legend_item_tile_width + 5);
var l, totalLength = 0, offsets = {}, widths = {}, heights = {}, margins = [0], steps = {}, step = 0;
var withTransition, withTransitionForTransform;
var texts, rects, tiles, background;

// Skip elements when their name is set to null
targetIds = targetIds.filter(function(id) {
return !isDefined(config.data_names[id]) || config.data_names[id] !== null;
});

options = options || {};
withTransition = getOption(options, "withTransition", true);
withTransitionForTransform = getOption(options, "withTransitionForTransform", true);

function getTextBox(textElement, id) {
if (!$$.legendItemTextBox[id]) {
$$.legendItemTextBox[id] = $$.getTextRect(textElement.textContent, CLASS.legendItem, textElement);
}
return $$.legendItemTextBox[id];
}

function updatePositions(textElement, id, index) {
var reset = index === 0, isLast = index === targetIds.length - 1,
box = getTextBox(textElement, id),
itemWidth = box.width + tileWidth + (isLast && !($$.isLegendRight || $$.isLegendInset) ? 0 : paddingRight) + config.legend_padding,
itemHeight = box.height + paddingTop,
itemLength = $$.isLegendRight || $$.isLegendInset ? itemHeight : itemWidth,
areaLength = $$.isLegendRight || $$.isLegendInset ? $$.getLegendHeight() : $$.getLegendWidth(),
margin, maxLength;

// MEMO: care about condifion of step, totalLength
function updateValues(id, withoutStep) {
if (!withoutStep) {
margin = (areaLength - totalLength - itemLength) / 2;
if (margin < posMin) {
margin = (areaLength - itemLength) / 2;
totalLength = 0;
step++;
}
}
steps[id] = step;
margins[step] = $$.isLegendInset ? 10 * $$.config.completeScale : margin;
offsets[id] = totalLength;
totalLength += itemLength;
}

if (reset) {
totalLength = 0;
step = 0;
maxWidth = 0;
maxHeight = 0;
}

if (config.legend_show && !$$.isLegendToShow(id)) {
widths[id] = heights[id] = steps[id] = offsets[id] = 0;
return;
}

widths[id] = itemWidth;
heights[id] = itemHeight;

if (!maxWidth || itemWidth >= maxWidth) { maxWidth = itemWidth; }
if (!maxHeight || itemHeight >= maxHeight) { maxHeight = itemHeight; }
maxLength = $$.isLegendRight || $$.isLegendInset ? maxHeight : maxWidth;

if (config.legend_equally) {
Object.keys(widths).forEach(function (id) { widths[id] = maxWidth; });
Object.keys(heights).forEach(function (id) { heights[id] = maxHeight; });
margin = (areaLength - maxLength * targetIds.length) / 2;
if (margin < posMin) {
totalLength = 0;
step = 0;
targetIds.forEach(function (id) { updateValues(id); });
}
else {
updateValues(id, true);
}
} else {
updateValues(id);
}
}

if ($$.isLegendInset) {
step = config.legend_inset_step ? config.legend_inset_step : targetIds.length;
$$.updateLegendStep(step);
}

if ($$.isLegendRight) {
xForLegend = function (id) { return maxWidth * steps[id]; };
yForLegend = function (id) { return margins[steps[id]] + offsets[id]; };
} else if ($$.isLegendInset) {
xForLegend = function (id) { return maxWidth * steps[id] + 10 * config.completeScale; };
yForLegend = function (id) { return margins[steps[id]] + offsets[id]; };
} else {
xForLegend = function (id) { return margins[steps[id]] + offsets[id]; };
yForLegend = function (id) { return maxHeight * steps[id]; };
}
xForLegendText = function (id, i) { return xForLegend(id, i) + (config.legend_item_tile_width) * config.completeScale; };
yForLegendText = function (id, i) { return yForLegend(id, i) + 9 * config.completeScale; };
xForLegendRect = function (id, i) { return xForLegend(id, i); };
yForLegendRect = function (id, i) { return yForLegend(id, i) - 5 * config.completeScale; };
x1ForLegendTile = function (id, i) { return xForLegend(id, i) - 2 * config.completeScale; };
x2ForLegendTile = function (id, i) { return xForLegend(id, i) - 2 * config.completeScale + config.legend_item_tile_width * config.completeScale; };
yForLegendTile = function (id, i) { return yForLegend(id, i) + 4 * config.completeScale; };

// Define g for legend area
l = $$.legend.selectAll('.' + CLASS.legendItem)
.data(targetIds)
.enter().append('g')
.attr('class', function (id) { return $$.generateClass(CLASS.legendItem, id); })
.style('visibility', function (id) { return $$.isLegendToShow(id) ? 'visible' : 'hidden'; })
.style('cursor', 'pointer')
.on('click', function (id) {
if (config.legend_item_onclick) {
config.legend_item_onclick.call($$, id);
} else {
if ($$.d3.event.altKey) {
$$.api.hide();
$$.api.show(id);
} else {
$$.api.toggle(id);
$$.isTargetToShow(id) ? $$.api.focus(id) : $$.api.revert();
}
}
})
.on('mouseover', function (id) {
if (config.legend_item_onmouseover) {
config.legend_item_onmouseover.call($$, id);
}
else {
$$.d3.select(this).classed(CLASS.legendItemFocused, true);
if (!$$.transiting && $$.isTargetToShow(id)) {
$$.api.focus(id);
}
}
})
.on('mouseout', function (id) {
if (config.legend_item_onmouseout) {
config.legend_item_onmouseout.call($$, id);
}
else {
$$.d3.select(this).classed(CLASS.legendItemFocused, false);
$$.api.revert();
}
});
l.append('text')
.text(function (id) { return isDefined(config.data_names[id]) ? config.data_names[id] : id; })
.each(function (id, i) { updatePositions(this, id, i); $$.updateLegendItemWidth(maxWidth); $$.updateLegendItemHeight(maxHeight); })
.style("pointer-events", "none")
.attr('x', $$.isLegendRight || $$.isLegendInset ? xForLegendText : -200)
.attr('y', $$.isLegendRight || $$.isLegendInset ? -200 : yForLegendText);
l.append('rect')
.attr("class", CLASS.legendItemEvent)
.style('fill-opacity', 0)
.attr('x', $$.isLegendRight || $$.isLegendInset ? xForLegendRect : -200 * config.completeScale)
.attr('y', $$.isLegendRight || $$.isLegendInset ? -200 * config.completeScale : yForLegendRect);
l.append('line')
.attr('class', CLASS.legendItemTile)
.style('stroke', $$.color)
.style("pointer-events", "none")
.attr('x1', $$.isLegendRight || $$.isLegendInset ? x1ForLegendTile : -200 * config.completeScale)
.attr('y1', $$.isLegendRight || $$.isLegendInset ? -200 * config.completeScale : yForLegendTile)
.attr('x2', $$.isLegendRight || $$.isLegendInset ? x2ForLegendTile : -200 * config.completeScale)
.attr('y2', $$.isLegendRight || $$.isLegendInset ? -200 * config.completeScale : yForLegendTile)
.attr('stroke-width', config.legend_item_tile_height * config.completeScale);

// Set background for inset legend
background = $$.legend.select('.' + CLASS.legendBackground + ' rect');
if ($$.isLegendInset && maxWidth > 0 && background.size() === 0) {
background = $$.legend.insert('g', '.' + CLASS.legendItem)
.attr("class", CLASS.legendBackground)
.append('rect');
}

texts = $$.legend.selectAll('text')
.data(targetIds)
.text(function (id) { return isDefined(config.data_names[id]) ? config.data_names[id] : id; }) // MEMO: needed for update
.each(function (id, i) { updatePositions(this, id, i); });
(withTransition ? texts.transition() : texts)
.attr('x', xForLegendText)
.attr('y', yForLegendText);

rects = $$.legend.selectAll('rect.' + CLASS.legendItemEvent)
.data(targetIds);
(withTransition ? rects.transition() : rects)
.attr('width', function (id) { return widths[id]; })
.attr('height', function (id) { return heights[id]; })
.attr('x', xForLegendRect)
.attr('y', yForLegendRect);

tiles = $$.legend.selectAll('line.' + CLASS.legendItemTile)
.data(targetIds);
(withTransition ? tiles.transition() : tiles)
.style('stroke', $$.color)
.attr('x1', x1ForLegendTile)
.attr('y1', yForLegendTile)
.attr('x2', x2ForLegendTile)
.attr('y2', yForLegendTile);

if (background) {
(withTransition ? background.transition() : background)
.attr('height', $$.getLegendHeight() - 12 * config.completeScale)
.attr('width', maxWidth * (step + 1) + 10 * config.completeScale);
}

// toggle legend state
$$.legend.selectAll('.' + CLASS.legendItem)
.classed(CLASS.legendItemHidden, function (id) { return !$$.isTargetToShow(id); });

// Update all to reflect change of legend
$$.updateLegendItemWidth(maxWidth);
$$.updateLegendItemHeight(maxHeight);
$$.updateLegendStep(step);
// Update size and scale
$$.updateSizes();
$$.updateScales();
$$.updateSvgSize();
// Update g positions
$$.transformAll(withTransitionForTransform, transitions);
$$.legendHasRendered = true;
};

c3_chart_internal_fn.initTitle = function () {
var $$ = this;
$$.title = $$.svg.append("text")
.text($$.config.title_text)
.attr("class", $$.CLASS.title);
};
c3_chart_internal_fn.redrawTitle = function () {
var $$ = this;
$$.title
.attr("x", $$.xForTitle.bind($$))
.attr("y", $$.yForTitle.bind($$));
};
c3_chart_internal_fn.xForTitle = function () {
var $$ = this, config = $$.config, position = config.title_position || 'left', x;
if (position.indexOf('right') >= 0) {
x = $$.currentWidth - $$.getTextRect($$.title.node().textContent, $$.CLASS.title, $$.title.node()).width - config.title_padding.right;
} else if (position.indexOf('center') >= 0) {
x = ($$.currentWidth - $$.getTextRect($$.title.node().textContent, $$.CLASS.title, $$.title.node()).width) / 2;
} else { // left
x = config.title_padding.left;
}
return x;
};
c3_chart_internal_fn.yForTitle = function () {
var $$ = this;
return $$.config.title_padding.top + $$.getTextRect($$.title.node().textContent, $$.CLASS.title, $$.title.node()).height;
};
c3_chart_internal_fn.getTitlePadding = function() {
var $$ = this;
return $$.yForTitle() + $$.config.title_padding.bottom;
};

function Axis(owner) {
API.call(this, owner);
}

inherit(API, Axis);

Axis.prototype.init = function init() {

var $$ = this.owner, config = $$.config, main = $$.main;
$$.axes.x = main.append("g")
.attr("class", CLASS.axis + ' ' + CLASS.axisX)
.attr("clip-path", $$.clipPathForXAxis)
.attr("transform", $$.getTranslate('x'))
.style("visibility", config.axis_x_show ? 'visible' : 'hidden');
$$.axes.x.append("text")
.attr("class", CLASS.axisXLabel)
.attr("transform", config.axis_rotated ? "rotate(-90)" : "")
.style("text-anchor", this.textAnchorForXAxisLabel.bind(this));
$$.axes.y = main.append("g")
.attr("class", CLASS.axis + ' ' + CLASS.axisY)
.attr("clip-path", config.axis_y_inner ? "" : $$.clipPathForYAxis)
.attr("transform", $$.getTranslate('y'))
.style("visibility", config.axis_y_show ? 'visible' : 'hidden');
$$.axes.y.append("text")
.attr("class", CLASS.axisYLabel)
.attr("transform", config.axis_rotated ? "" : "rotate(-90)")
.style("text-anchor", this.textAnchorForYAxisLabel.bind(this));

$$.axes.y2 = main.append("g")
.attr("class", CLASS.axis + ' ' + CLASS.axisY2)
// clip-path?
.attr("transform", $$.getTranslate('y2'))
.style("visibility", config.axis_y2_show ? 'visible' : 'hidden');
$$.axes.y2.append("text")
.attr("class", CLASS.axisY2Label)
.attr("transform", config.axis_rotated ? "" : "rotate(-90)")
.style("text-anchor", this.textAnchorForY2AxisLabel.bind(this));
};
Axis.prototype.getXAxis = function getXAxis(scale, orient, tickFormat, tickValues, withOuterTick, withoutTransition, withoutRotateTickText) {
var $$ = this.owner, config = $$.config,
axisParams = {
isCategory: $$.isCategorized(),
withOuterTick: withOuterTick,
tickMultiline: config.axis_x_tick_multiline,
tickWidth: config.axis_x_tick_width,
tickTextRotate: withoutRotateTickText ? 0 : config.axis_x_tick_rotate,
withoutTransition: withoutTransition,
},
axis = c3_axis($$.d3, axisParams, $$).scale(scale).orient(orient);

if ($$.isTimeSeries() && tickValues && typeof tickValues !== "function") {
tickValues = tickValues.map(function (v) { return $$.parseDate(v); });
}

// Set tick
axis.tickFormat(tickFormat).tickValues(tickValues);
if ($$.isCategorized()) {
axis.tickCentered(config.axis_x_tick_centered);
if (isEmpty(config.axis_x_tick_culling)) {
config.axis_x_tick_culling = false;
}
}

return axis;
};
Axis.prototype.updateXAxisTickValues = function updateXAxisTickValues(targets, axis) {
var $$ = this.owner, config = $$.config, tickValues;
if (config.axis_x_tick_fit || config.axis_x_tick_count) {
tickValues = this.generateTickValues($$.mapTargetsToUniqueXs(targets), config.axis_x_tick_count, $$.isTimeSeries());
}
if (axis) {
axis.tickValues(tickValues);
} else {
$$.xAxis.tickValues(tickValues);
$$.subXAxis.tickValues(tickValues);
}
return tickValues;
};
Axis.prototype.getYAxis = function getYAxis(scale, orient, tickFormat, tickValues, withOuterTick, withoutTransition) {
var axisParams = {
withOuterTick: withOuterTick,
withoutTransition: withoutTransition,
},
$$ = this.owner,
d3 = $$.d3,
config = $$.config,
axis = c3_axis(d3, axisParams, $$).scale(scale).orient(orient).tickFormat(tickFormat);

if ($$.isTimeSeriesY()) {
axis.ticks(d3.time[config.axis_y_tick_time_value], config.axis_y_tick_time_interval);
} else {
axis.tickValues(tickValues);
}
return axis;
};
Axis.prototype.getId = function getId(id) {
var config = this.owner.config;
return id in config.data_axes ? config.data_axes[id] : 'y';
};
Axis.prototype.getXAxisTickFormat = function getXAxisTickFormat() {
var $$ = this.owner, config = $$.config,
format = $$.isTimeSeries() ? $$.defaultAxisTimeFormat : $$.isCategorized() ? $$.categoryName : function (v) { return parseFloat(v.toFixed(10)); };
if (config.axis_x_tick_format) {
if (isFunction(config.axis_x_tick_format)) {
format = config.axis_x_tick_format;
} else if ($$.isTimeSeries()) {
format = function (date) {
return date ? $$.axisTimeFormat(config.axis_x_tick_format)(date) : "";
};
}
}
return isFunction(format) ? function (v) { return format.call($$, v); } : format;
};
Axis.prototype.getTickValues = function getTickValues(tickValues, axis) {
return tickValues ? tickValues : axis ? axis.tickValues() : undefined;
};
Axis.prototype.getXAxisTickValues = function getXAxisTickValues() {
return this.getTickValues(this.owner.config.axis_x_tick_values, this.owner.xAxis);
};
Axis.prototype.getYAxisTickValues = function getYAxisTickValues() {
return this.getTickValues(this.owner.config.axis_y_tick_values, this.owner.yAxis);
};
Axis.prototype.getY2AxisTickValues = function getY2AxisTickValues() {
return this.getTickValues(this.owner.config.axis_y2_tick_values, this.owner.y2Axis);
};
Axis.prototype.getLabelOptionByAxisId = function getLabelOptionByAxisId(axisId) {
var $$ = this.owner, config = $$.config, option;
if (axisId === 'y') {
option = config.axis_y_label;
} else if (axisId === 'y2') {
option = config.axis_y2_label;
} else if (axisId === 'x') {
option = config.axis_x_label;
}
return option;
};
Axis.prototype.getLabelText = function getLabelText(axisId) {
var option = this.getLabelOptionByAxisId(axisId);
return isString(option) ? option : option ? option.text : null;
};
Axis.prototype.setLabelText = function setLabelText(axisId, text) {
var $$ = this.owner, config = $$.config,
option = this.getLabelOptionByAxisId(axisId);
if (isString(option)) {
if (axisId === 'y') {
config.axis_y_label = text;
} else if (axisId === 'y2') {
config.axis_y2_label = text;
} else if (axisId === 'x') {
config.axis_x_label = text;
}
} else if (option) {
option.text = text;
}
};
Axis.prototype.getLabelPosition = function getLabelPosition(axisId, defaultPosition) {
var option = this.getLabelOptionByAxisId(axisId),
position = (option && typeof option === 'object' && option.position) ? option.position : defaultPosition;
return {
isInner: position.indexOf('inner') >= 0,
isOuter: position.indexOf('outer') >= 0,
isLeft: position.indexOf('left') >= 0,
isCenter: position.indexOf('center') >= 0,
isRight: position.indexOf('right') >= 0,
isTop: position.indexOf('top') >= 0,
isMiddle: position.indexOf('middle') >= 0,
isBottom: position.indexOf('bottom') >= 0
};
};
Axis.prototype.getXAxisLabelPosition = function getXAxisLabelPosition() {
return this.getLabelPosition('x', this.owner.config.axis_rotated ? 'inner-top' : 'inner-right');
};
Axis.prototype.getYAxisLabelPosition = function getYAxisLabelPosition() {
return this.getLabelPosition('y', this.owner.config.axis_rotated ? 'inner-right' : 'inner-top');
};
Axis.prototype.getY2AxisLabelPosition = function getY2AxisLabelPosition() {
return this.getLabelPosition('y2', this.owner.config.axis_rotated ? 'inner-right' : 'inner-top');
};
Axis.prototype.getLabelPositionById = function getLabelPositionById(id) {
return id === 'y2' ? this.getY2AxisLabelPosition() : id === 'y' ? this.getYAxisLabelPosition() : this.getXAxisLabelPosition();
};
Axis.prototype.textForXAxisLabel = function textForXAxisLabel() {
return this.getLabelText('x');
};
Axis.prototype.textForYAxisLabel = function textForYAxisLabel() {
return this.getLabelText('y');
};
Axis.prototype.textForY2AxisLabel = function textForY2AxisLabel() {
return this.getLabelText('y2');
};
Axis.prototype.xForAxisLabel = function xForAxisLabel(forHorizontal, position) {
var $$ = this.owner;
if (forHorizontal) {
return position.isLeft ? 0 : position.isCenter ? $$.width / 2 : $$.width;
} else {
return position.isBottom ? -$$.height : position.isMiddle ? -$$.height / 2 : 0;
}
};
Axis.prototype.dxForAxisLabel = function dxForAxisLabel(forHorizontal, position) {
if (forHorizontal) {
return position.isLeft ? "1.3em" : position.isRight ? "-0.3em" : "0";
} else {
return position.isTop ? "0.0em" : position.isBottom ? "1.0em" : "0";
}
};
Axis.prototype.textAnchorForAxisLabel = function textAnchorForAxisLabel(forHorizontal, position) {
if (forHorizontal) {
return position.isLeft ? 'start' : position.isCenter ? 'middle' : 'end';
} else {
return position.isBottom ? 'start' : position.isMiddle ? 'middle' : 'end';
}
};
Axis.prototype.xForXAxisLabel = function xForXAxisLabel() {
return this.xForAxisLabel(!this.owner.config.axis_rotated, this.getXAxisLabelPosition());
};
Axis.prototype.xForYAxisLabel = function xForYAxisLabel() {
return this.xForAxisLabel(this.owner.config.axis_rotated, this.getYAxisLabelPosition());
};
Axis.prototype.xForY2AxisLabel = function xForY2AxisLabel() {
return this.xForAxisLabel(this.owner.config.axis_rotated, this.getY2AxisLabelPosition());
};
Axis.prototype.dxForXAxisLabel = function dxForXAxisLabel() {
return this.dxForAxisLabel(!this.owner.config.axis_rotated, this.getXAxisLabelPosition());
};
Axis.prototype.dxForYAxisLabel = function dxForYAxisLabel() {
return this.dxForAxisLabel(this.owner.config.axis_rotated, this.getYAxisLabelPosition());
};
Axis.prototype.dxForY2AxisLabel = function dxForY2AxisLabel() {
return this.dxForAxisLabel(this.owner.config.axis_rotated, this.getY2AxisLabelPosition());
};
Axis.prototype.dyForXAxisLabel = function dyForXAxisLabel() {
var $$ = this.owner, config = $$.config,
position = this.getXAxisLabelPosition();
if (config.axis_rotated) {
return position.isInner ? "1.0em" : -25*$$.config.completeScale - this.getMaxTickWidth('x');
} else {
return position.isInner ? "-0.3em" : config.axis_x_height ? config.axis_x_height - 10*$$.config.completeScale : "2.1em";
}
};
Axis.prototype.dyForYAxisLabel = function dyForYAxisLabel() {
var $$ = this.owner,
position = this.getYAxisLabelPosition();
if ($$.config.axis_rotated) {
return position.isInner ? "-0.3em" : "3em";
} else {
return position.isInner ? "1.0em" : -13*$$.config.completeScale - ($$.config.axis_y_inner ? 0 : (this.getMaxTickWidth('y')));
}
};
Axis.prototype.dyForY2AxisLabel = function dyForY2AxisLabel() {
var $$ = this.owner,
position = this.getY2AxisLabelPosition();
if ($$.config.axis_rotated) {
return position.isInner ? "1.0em" : "-2.2em";
} else {
return position.isInner ? "-0.3em" : 13*$$.config.completeScale + ($$.config.axis_y2_inner ? 0 : (this.getMaxTickWidth('y2')));
}
};
Axis.prototype.textAnchorForXAxisLabel = function textAnchorForXAxisLabel() {
var $$ = this.owner;
return this.textAnchorForAxisLabel(!$$.config.axis_rotated, this.getXAxisLabelPosition());
};
Axis.prototype.textAnchorForYAxisLabel = function textAnchorForYAxisLabel() {
var $$ = this.owner;
return this.textAnchorForAxisLabel($$.config.axis_rotated, this.getYAxisLabelPosition());
};
Axis.prototype.textAnchorForY2AxisLabel = function textAnchorForY2AxisLabel() {
var $$ = this.owner;
return this.textAnchorForAxisLabel($$.config.axis_rotated, this.getY2AxisLabelPosition());
};
Axis.prototype.getMaxTickWidth = function getMaxTickWidth(id, withoutRecompute) {
var $$ = this.owner, config = $$.config,
maxWidth = 0, targetsToShow, scale, axis, dummy, svg;
if (withoutRecompute && $$.currentMaxTickWidths[id]) {
return $$.currentMaxTickWidths[id];
}
if ($$.svg) {
targetsToShow = $$.filterTargetsToShow($$.data.targets);
if (id === 'y') {
scale = $$.y.copy().domain($$.getYDomain(targetsToShow, 'y'));
axis = this.getYAxis(scale, $$.yOrient, config.axis_y_tick_format, $$.yAxisTickValues, false, true);
} else if (id === 'y2') {
scale = $$.y2.copy().domain($$.getYDomain(targetsToShow, 'y2'));
axis = this.getYAxis(scale, $$.y2Orient, config.axis_y2_tick_format, $$.y2AxisTickValues, false, true);
} else {
scale = $$.x.copy().domain($$.getXDomain(targetsToShow));
axis = this.getXAxis(scale, $$.xOrient, $$.xAxisTickFormat, $$.xAxisTickValues, false, true, true);
this.updateXAxisTickValues(targetsToShow, axis);
}
dummy = $$.d3.select('body').append('div').classed('c3', true);
svg = dummy.append("svg").style('visibility', 'hidden').style('position', 'fixed').style('top', 0).style('left', 0).style('font-size', $(config.bindto.parentElement).css('font-size')).style('font-family', $(config.bindto.parentElement).css('font-family')),
svg.append('g').call(axis).each(function () {
$$.d3.select(this).selectAll('text').each(function () {
var box = this.getBoundingClientRect();
if (maxWidth < box.width) { maxWidth = box.width; }
});
dummy.remove();
});
}
$$.currentMaxTickWidths[id] = maxWidth <= 0 ? $$.currentMaxTickWidths[id] : maxWidth;
return $$.currentMaxTickWidths[id];
};

Axis.prototype.updateLabels = function updateLabels(withTransition) {
var $$ = this.owner;
var axisXLabel = $$.main.select('.' + CLASS.axisX + ' .' + CLASS.axisXLabel),
axisYLabel = $$.main.select('.' + CLASS.axisY + ' .' + CLASS.axisYLabel),
axisY2Label = $$.main.select('.' + CLASS.axisY2 + ' .' + CLASS.axisY2Label);
(withTransition ? axisXLabel.transition() : axisXLabel)
.attr("x", this.xForXAxisLabel.bind(this))
.attr("dx", this.dxForXAxisLabel.bind(this))
.attr("dy", this.dyForXAxisLabel.bind(this))
.text(this.textForXAxisLabel.bind(this));
(withTransition ? axisYLabel.transition() : axisYLabel)
.attr("x", this.xForYAxisLabel.bind(this))
.attr("dx", this.dxForYAxisLabel.bind(this))
.attr("dy", this.dyForYAxisLabel.bind(this))
.text(this.textForYAxisLabel.bind(this));
(withTransition ? axisY2Label.transition() : axisY2Label)
.attr("x", this.xForY2AxisLabel.bind(this))
.attr("dx", this.dxForY2AxisLabel.bind(this))
.attr("dy", this.dyForY2AxisLabel.bind(this))
.text(this.textForY2AxisLabel.bind(this));
};
Axis.prototype.getPadding = function getPadding(padding, key, defaultValue, domainLength) {
var p = typeof padding === 'number' ? padding : padding[key];
if (!isValue(p)) {
return defaultValue;
}
if (padding.unit === 'ratio') {
return padding[key] * domainLength;
}
// assume padding is pixels if unit is not specified
return this.convertPixelsToAxisPadding(p, domainLength);
};
Axis.prototype.convertPixelsToAxisPadding = function convertPixelsToAxisPadding(pixels, domainLength) {
var $$ = this.owner,
length = $$.config.axis_rotated ? $$.width : $$.height;
return domainLength * (pixels / length);
};
Axis.prototype.generateTickValues = function generateTickValues(values, tickCount, forTimeSeries) {
var tickValues = values, targetCount, start, end, count, interval, i, tickValue;
if (tickCount) {
targetCount = isFunction(tickCount) ? tickCount() : tickCount;
// compute ticks according to tickCount
if (targetCount === 1) {
tickValues = [values[0]];
} else if (targetCount === 2) {
tickValues = [values[0], values[values.length - 1]];
} else if (targetCount > 2) {
count = targetCount - 2;
start = values[0];
end = values[values.length - 1];
interval = (end - start) / (count + 1);
// re-construct unique values
tickValues = [start];
for (i = 0; i < count; i++) {
tickValue = +start + interval * (i + 1);
tickValues.push(forTimeSeries ? new Date(tickValue) : tickValue);
}
tickValues.push(end);
}
}
if (!forTimeSeries) { tickValues = tickValues.sort(function (a, b) { return a - b; }); }
return tickValues;
};
Axis.prototype.generateTransitions = function generateTransitions(duration) {
var $$ = this.owner, axes = $$.axes;
return {
axisX: duration ? axes.x.transition().duration(duration) : axes.x,
axisY: duration ? axes.y.transition().duration(duration) : axes.y,
axisY2: duration ? axes.y2.transition().duration(duration) : axes.y2,
axisSubX: duration ? axes.subx.transition().duration(duration) : axes.subx
};
};
Axis.prototype.redraw = function redraw(transitions, isHidden) {
var $$ = this.owner;
$$.axes.x.style("opacity", isHidden ? 0 : 1);
$$.axes.y.style("opacity", isHidden ? 0 : 1);
$$.axes.y2.style("opacity", isHidden ? 0 : 1);
$$.axes.subx.style("opacity", isHidden ? 0 : 1);
transitions.axisX.call($$.xAxis);
transitions.axisY.call($$.yAxis);
transitions.axisY2.call($$.y2Axis);
transitions.axisSubX.call($$.subXAxis);
};

c3_chart_internal_fn.getClipPath = function (id) {
var isIE9 = window.navigator.appVersion.toLowerCase().indexOf("msie 9.") >= 0;
return "url(" + (isIE9 ? "" : document.URL.split('#')[0]) + "#" + id + ")";
};
c3_chart_internal_fn.appendClip = function (parent, id) {
return parent.append("clipPath").attr("id", id).append("rect");
};
c3_chart_internal_fn.getAxisClipX = function (forHorizontal) {
// axis line width + padding for left
var left = Math.max(40, this.margin.left);
return (forHorizontal ? -(1 + left) : -(left - 1));
};
c3_chart_internal_fn.getAxisClipY = function (forHorizontal) {
return (forHorizontal ? -10 : -this.margin.top);
};
c3_chart_internal_fn.getXAxisClipX = function () {
var $$ = this;
return $$.getAxisClipX(!$$.config.axis_rotated);
};
c3_chart_internal_fn.getXAxisClipY = function () {
var $$ = this;
return $$.getAxisClipY(!$$.config.axis_rotated) - this.config.completeScale*10;
};
c3_chart_internal_fn.getYAxisClipX = function () {
var $$ = this;
return $$.config.axis_y_inner ? -1 : $$.getAxisClipX($$.config.axis_rotated);
};
c3_chart_internal_fn.getYAxisClipY = function () {
var $$ = this;
return $$.getAxisClipY($$.config.axis_rotated);
};
c3_chart_internal_fn.getAxisClipWidth = function (forHorizontal) {
var $$ = this,
left = Math.max(30, $$.margin.left),
right = Math.max(30, $$.margin.right);
// width + axis line width + padding for left/right
return (forHorizontal ? $$.width + 2 + left + right : $$.margin.left + 20 + this.config.completeScale*100);
};
c3_chart_internal_fn.getAxisClipHeight = function (forHorizontal) {
// less than 20 is not enough to show the axis label 'outer' without legend
return ((forHorizontal ? this.margin.bottom : (this.margin.top + this.height)) + 20) + this.config.completeScale*20;
};
c3_chart_internal_fn.getXAxisClipWidth = function () {
var $$ = this;
return $$.getAxisClipWidth(!$$.config.axis_rotated);
};
c3_chart_internal_fn.getXAxisClipHeight = function () {
var $$ = this;
return $$.getAxisClipHeight(!$$.config.axis_rotated);
};
c3_chart_internal_fn.getYAxisClipWidth = function () {
var $$ = this;
return $$.getAxisClipWidth($$.config.axis_rotated) + ($$.config.axis_y_inner ? 20 : 0);
};
c3_chart_internal_fn.getYAxisClipHeight = function () {
var $$ = this;
return $$.getAxisClipHeight($$.config.axis_rotated);
};

c3_chart_internal_fn.initPie = function () {
var $$ = this, d3 = $$.d3, config = $$.config;
$$.pie = d3.layout.pie().value(function (d) {
return d.values.reduce(function (a, b) { return a + b.value; }, 0);
});
if (!config.data_order) {
$$.pie.sort(null);
}
};

c3_chart_internal_fn.updateRadius = function () {
var $$ = this, config = $$.config,
w = config.gauge_width || config.donut_width;
$$.radiusExpanded = Math.min($$.arcWidth, $$.arcHeight) / 2;
$$.radius = $$.radiusExpanded * 0.95;
$$.innerRadiusRatio = w ? ($$.radius - w) / $$.radius : 0.6;
$$.innerRadius = $$.hasType('donut') || $$.hasType('gauge') ? $$.radius * $$.innerRadiusRatio : 0;
};

c3_chart_internal_fn.updateArc = function () {
var $$ = this;
$$.svgArc = $$.getSvgArc();
$$.svgArcExpanded = $$.getSvgArcExpanded();
$$.svgArcExpandedSub = $$.getSvgArcExpanded(0.98);
};

c3_chart_internal_fn.updateAngle = function (d) {
var $$ = this, config = $$.config,
found = false, index = 0,
gMin, gMax, gTic, gValue;

if (!config) {
return null;
}

$$.pie($$.filterTargetsToShow($$.data.targets)).forEach(function (t) {
if (! found && t.data.id === d.data.id) {
found = true;
d = t;
d.index = index;
}
index++;
});
if (isNaN(d.startAngle)) {
d.startAngle = 0;
}
if (isNaN(d.endAngle)) {
d.endAngle = d.startAngle;
}
if ($$.isGaugeType(d.data)) {
gMin = config.gauge_min;
gMax = config.gauge_max;
gTic = (Math.PI) / (gMax - gMin);
gValue = d.value < gMin ? 0 : d.value < gMax ? d.value - gMin : (gMax - gMin);
d.startAngle = -1 * (Math.PI / 2);
d.endAngle = d.startAngle + gTic * gValue;
}
return found ? d : null;
};

c3_chart_internal_fn.getSvgArc = function () {
var $$ = this,
arc = $$.d3.svg.arc().outerRadius($$.radius).innerRadius($$.innerRadius),
newArc = function (d, withoutUpdate) {
var updated;
if (withoutUpdate) { return arc(d); } // for interpolate
updated = $$.updateAngle(d);
return updated ? arc(updated) : "M 0 0";
};
// TODO: extends all function
newArc.centroid = arc.centroid;
return newArc;
};

c3_chart_internal_fn.getSvgArcExpanded = function (rate) {
var $$ = this,
arc = $$.d3.svg.arc().outerRadius($$.radiusExpanded * (rate ? rate : 1)).innerRadius($$.innerRadius);
return function (d) {
var updated = $$.updateAngle(d);
return updated ? arc(updated) : "M 0 0";
};
};

c3_chart_internal_fn.getArc = function (d, withoutUpdate, force) {
return force || this.isArcType(d.data) ? this.svgArc(d, withoutUpdate) : "M 0 0";
};

c3_chart_internal_fn.transformForArcLabel = function (d) {
var $$ = this,
updated = $$.updateAngle(d), c, x, y, h, ratio, translate = "";
if (updated && !$$.hasType('gauge')) {
c = this.svgArc.centroid(updated);
x = isNaN(c[0]) ? 0 : c[0];
y = isNaN(c[1]) ? 0 : c[1];
h = Math.sqrt(x * x + y * y);
// TODO: ratio should be an option?
ratio = $$.radius && h ? (36 / $$.radius > 0.375 ? 1.175 - 36 / $$.radius : 0.8) * $$.radius / h : 0;
translate = "translate(" + (x * ratio) + ',' + (y * ratio) + ")";
}
return translate;
};

c3_chart_internal_fn.getArcRatio = function (d) {
var $$ = this,
whole = $$.hasType('gauge') ? Math.PI : (Math.PI * 2);
return d ? (d.endAngle - d.startAngle) / whole : null;
};

c3_chart_internal_fn.convertToArcData = function (d) {
return this.addName({
id: d.data.id,
value: d.value,
ratio: this.getArcRatio(d),
index: d.index
});
};

c3_chart_internal_fn.textForArcLabel = function (d) {
var $$ = this,
updated, value, ratio, id, format;
if (! $$.shouldShowArcLabel()) { return ""; }
updated = $$.updateAngle(d);
value = updated ? updated.value : null;
ratio = $$.getArcRatio(updated);
id = d.data.id;
if (! $$.hasType('gauge') && ! $$.meetsArcLabelThreshold(ratio)) { return ""; }
format = $$.getArcLabelFormat();
return format ? format(value, ratio, id) : $$.defaultArcValueFormat(value, ratio);
};

c3_chart_internal_fn.expandArc = function (targetIds) {
var $$ = this, interval;

// MEMO: avoid to cancel transition
if ($$.transiting) {
interval = window.setInterval(function () {
if (!$$.transiting) {
window.clearInterval(interval);
if ($$.legend.selectAll('.c3-legend-item-focused').size() > 0) {
$$.expandArc(targetIds);
}
}
}, 10);
return;
}

targetIds = $$.mapToTargetIds(targetIds);

$$.svg.selectAll($$.selectorTargets(targetIds, '.' + CLASS.chartArc)).each(function (d) {
if (! $$.shouldExpand(d.data.id)) { return; }
$$.d3.select(this).selectAll('path')
.transition().duration($$.expandDuration(d.data.id))
.attr("d", $$.svgArcExpanded)
.transition().duration($$.expandDuration(d.data.id) * 2)
.attr("d", $$.svgArcExpandedSub)
.each(function (d) {
if ($$.isDonutType(d.data)) {
// callback here
}
});
});
};

c3_chart_internal_fn.unexpandArc = function (targetIds) {
var $$ = this;

if ($$.transiting) { return; }

targetIds = $$.mapToTargetIds(targetIds);

$$.svg.selectAll($$.selectorTargets(targetIds, '.' + CLASS.chartArc)).selectAll('path')
.transition().duration(function(d) {
return $$.expandDuration(d.data.id);
})
.attr("d", $$.svgArc);
$$.svg.selectAll('.' + CLASS.arc)
.style("opacity", 1);
};

c3_chart_internal_fn.expandDuration = function (id) {
var $$ = this, config = $$.config;

if ($$.isDonutType(id)) {
return config.donut_expand_duration;
} else if ($$.isGaugeType(id)) {
return config.gauge_expand_duration;
} else if ($$.isPieType(id)) {
return config.pie_expand_duration;
} else {
return 50;
}

};

c3_chart_internal_fn.shouldExpand = function (id) {
var $$ = this, config = $$.config;
return ($$.isDonutType(id) && config.donut_expand) ||
($$.isGaugeType(id) && config.gauge_expand) ||
($$.isPieType(id) && config.pie_expand);
};

c3_chart_internal_fn.shouldShowArcLabel = function () {
var $$ = this, config = $$.config, shouldShow = true;
if ($$.hasType('donut')) {
shouldShow = config.donut_label_show;
} else if ($$.hasType('pie')) {
shouldShow = config.pie_label_show;
}
// when gauge, always true
return shouldShow;
};

c3_chart_internal_fn.meetsArcLabelThreshold = function (ratio) {
var $$ = this, config = $$.config,
threshold = $$.hasType('donut') ? config.donut_label_threshold : config.pie_label_threshold;
return ratio >= threshold;
};

c3_chart_internal_fn.getArcLabelFormat = function () {
var $$ = this, config = $$.config,
format = config.pie_label_format;
if ($$.hasType('gauge')) {
format = config.gauge_label_format;
} else if ($$.hasType('donut')) {
format = config.donut_label_format;
}
return format;
};

c3_chart_internal_fn.getArcTitle = function () {
var $$ = this;
return $$.hasType('donut') ? $$.config.donut_title : "";
};

c3_chart_internal_fn.updateTargetsForArc = function (targets) {
var $$ = this, main = $$.main,
mainPieUpdate, mainPieEnter,
classChartArc = $$.classChartArc.bind($$),
classArcs = $$.classArcs.bind($$),
classFocus = $$.classFocus.bind($$);
mainPieUpdate = main.select('.' + CLASS.chartArcs).selectAll('.' + CLASS.chartArc)
.data($$.pie(targets))
.attr("class", function (d) { return classChartArc(d) + classFocus(d.data); });
mainPieEnter = mainPieUpdate.enter().append("g")
.attr("class", classChartArc);
mainPieEnter.append('g')
.attr('class', classArcs);
mainPieEnter.append("text")
.attr("dy", $$.hasType('gauge') ? "-.1em" : ".35em")
.style("opacity", 0)
.style("text-anchor", "middle")
.style("pointer-events", "none");
// MEMO: can not keep same color..., but not bad to update color in redraw
//mainPieUpdate.exit().remove();
};

c3_chart_internal_fn.initArc = function () {
var $$ = this;
$$.arcs = $$.main.select('.' + CLASS.chart).append("g")
.attr("class", CLASS.chartArcs)
.attr("transform", $$.getTranslate('arc'));
$$.arcs.append('text')
.attr('class', CLASS.chartArcsTitle)
.style("text-anchor", "middle")
.text($$.getArcTitle());
};

c3_chart_internal_fn.redrawArc = function (duration, durationForExit, withTransform) {
var $$ = this, d3 = $$.d3, config = $$.config, main = $$.main,
mainArc;
mainArc = main.selectAll('.' + CLASS.arcs).selectAll('.' + CLASS.arc)
.data($$.arcData.bind($$));
mainArc.enter().append('path')
.attr("class", $$.classArc.bind($$))
.style("fill", function (d) { return $$.color(d.data); })
.style("cursor", function (d) { return config.interaction_enabled && config.data_selection_isselectable(d) ? "pointer" : null; })
.style("opacity", 0)
.each(function (d) {
if ($$.isGaugeType(d.data)) {
d.startAngle = d.endAngle = -1 * (Math.PI / 2);
}
this._current = d;
});
mainArc
.attr("transform", function (d) { return !$$.isGaugeType(d.data) && withTransform ? "scale(0)" : ""; })
.style("opacity", function (d) { return d === this._current ? 0 : 1; })
.on('mouseover', config.interaction_enabled ? function (d) {
var updated, arcData;
if ($$.transiting) { // skip while transiting
return;
}
updated = $$.updateAngle(d);
if (updated) {
arcData = $$.convertToArcData(updated);
// transitions
$$.expandArc(updated.data.id);
$$.api.focus(updated.data.id);
$$.toggleFocusLegend(updated.data.id, true);
$$.config.data_onmouseover(arcData, this);
}
} : null)
.on('mousemove', config.interaction_enabled ? function (d) {
var updated = $$.updateAngle(d), arcData, selectedData;
if (updated) {
arcData = $$.convertToArcData(updated),
selectedData = [arcData];
$$.showTooltip(selectedData, this);
}
} : null)
.on('mouseout', config.interaction_enabled ? function (d) {
var updated, arcData;
if ($$.transiting) { // skip while transiting
return;
}
updated = $$.updateAngle(d);
if (updated) {
arcData = $$.convertToArcData(updated);
// transitions
$$.unexpandArc(updated.data.id);
$$.api.revert();
$$.revertLegend();
$$.hideTooltip();
$$.config.data_onmouseout(arcData, this);
}
} : null)
.on('click', config.interaction_enabled ? function (d, i) {
var updated = $$.updateAngle(d), arcData;
if (updated) {
arcData = $$.convertToArcData(updated);
if ($$.toggleShape) {
$$.toggleShape(this, arcData, i);
}
$$.config.data_onclick.call($$.api, arcData, this);
}
} : null)
.each(function () { $$.transiting = true; })
.transition().duration(duration)
.attrTween("d", function (d) {
var updated = $$.updateAngle(d), interpolate;
if (! updated) {
return function () { return "M 0 0"; };
}
// if (this._current === d) {
// this._current = {
// startAngle: Math.PI*2,
// endAngle: Math.PI*2,
// };
// }
if (isNaN(this._current.startAngle)) {
this._current.startAngle = 0;
}
if (isNaN(this._current.endAngle)) {
this._current.endAngle = this._current.startAngle;
}
interpolate = d3.interpolate(this._current, updated);
this._current = interpolate(0);
return function (t) {
var interpolated = interpolate(t);
interpolated.data = d.data; // data.id will be updated by interporator
return $$.getArc(interpolated, true);
};
})
.attr("transform", withTransform ? "scale(1)" : "")
.style("fill", function (d) {
return $$.levelColor ? $$.levelColor(d.data.values[0].value) : $$.color(d.data.id);
}) // Where gauge reading color would receive customization.
.style("opacity", 1)
.call($$.endall, function () {
$$.transiting = false;
});
mainArc.exit().transition().duration(durationForExit)
.style('opacity', 0)
.remove();
main.selectAll('.' + CLASS.chartArc).select('text')
.style("opacity", 0)
.attr('class', function (d) { return $$.isGaugeType(d.data) ? CLASS.gaugeValue : ''; })
.text($$.textForArcLabel.bind($$))
.attr("transform", $$.transformForArcLabel.bind($$))
.style('font-size', function (d) { return $$.isGaugeType(d.data) ? Math.round($$.radius / 5) + 'px' : ''; })
.transition().duration(duration)
.style("opacity", function (d) { return $$.isTargetToShow(d.data.id) && $$.isArcType(d.data) ? 1 : 0; });
main.select('.' + CLASS.chartArcsTitle)
.style("opacity", $$.hasType('donut') || $$.hasType('gauge') ? 1 : 0);

if ($$.hasType('gauge')) {
$$.arcs.select('.' + CLASS.chartArcsBackground)
.attr("d", function () {
var d = {
data: [{value: config.gauge_max}],
startAngle: -1 * (Math.PI / 2),
endAngle: Math.PI / 2
};
return $$.getArc(d, true, true);
});
$$.arcs.select('.' + CLASS.chartArcsGaugeUnit)
.attr("dy", ".75em")
.text(config.gauge_label_show ? config.gauge_units : '');
$$.arcs.select('.' + CLASS.chartArcsGaugeMin)
.attr("dx", -1 * ($$.innerRadius + (($$.radius - $$.innerRadius) / 2)) + "px")
.attr("dy", "1.2em")
.text(config.gauge_label_show ? config.gauge_min : '');
$$.arcs.select('.' + CLASS.chartArcsGaugeMax)
.attr("dx", $$.innerRadius + (($$.radius - $$.innerRadius) / 2) + "px")
.attr("dy", "1.2em")
.text(config.gauge_label_show ? config.gauge_max : '');
}
};
c3_chart_internal_fn.initGauge = function () {
var arcs = this.arcs;
if (this.hasType('gauge')) {
arcs.append('path')
.attr("class", CLASS.chartArcsBackground);
arcs.append("text")
.attr("class", CLASS.chartArcsGaugeUnit)
.style("text-anchor", "middle")
.style("pointer-events", "none");
arcs.append("text")
.attr("class", CLASS.chartArcsGaugeMin)
.style("text-anchor", "middle")
.style("pointer-events", "none");
arcs.append("text")
.attr("class", CLASS.chartArcsGaugeMax)
.style("text-anchor", "middle")
.style("pointer-events", "none");
}
};
c3_chart_internal_fn.getGaugeLabelHeight = function () {
return this.config.gauge_label_show ? 20 : 0;
};

c3_chart_internal_fn.initRegion = function () {
var $$ = this;
$$.region = $$.main.append('g')
.attr("clip-path", $$.clipPath)
.attr("class", CLASS.regions);
};
c3_chart_internal_fn.updateRegion = function (duration) {
var $$ = this, config = $$.config;

// hide if arc type
$$.region.style('visibility', $$.hasArcType() ? 'hidden' : 'visible');

$$.mainRegion = $$.main.select('.' + CLASS.regions).selectAll('.' + CLASS.region)
.data(config.regions);
$$.mainRegion.enter().append('g')
.attr('class', $$.classRegion.bind($$))
.append('rect')
.style("fill-opacity", 0);
$$.mainRegion.exit().transition().duration(duration)
.style("opacity", 0)
.remove();
};
c3_chart_internal_fn.redrawRegion = function (withTransition) {
var $$ = this,
regions = $$.mainRegion.selectAll('rect'),
x = $$.regionX.bind($$),
y = $$.regionY.bind($$),
w = $$.regionWidth.bind($$),
h = $$.regionHeight.bind($$);
return [
(withTransition ? regions.transition() : regions)
.attr("x", x)
.attr("y", y)
.attr("width", w)
.attr("height", h)
.style("fill-opacity", function (d) { return isValue(d.opacity) ? d.opacity : 0.1; })
];
};
c3_chart_internal_fn.regionX = function (d) {
var $$ = this, config = $$.config,
xPos, yScale = d.axis === 'y' ? $$.y : $$.y2;
if (d.axis === 'y' || d.axis === 'y2') {
xPos = config.axis_rotated ? ('start' in d ? yScale(d.start) : 0) : 0;
} else {
xPos = config.axis_rotated ? 0 : ('start' in d ? $$.x($$.isTimeSeries() ? $$.parseDate(d.start) : d.start) : 0);
}
return xPos;
};
c3_chart_internal_fn.regionY = function (d) {
var $$ = this, config = $$.config,
yPos, yScale = d.axis === 'y' ? $$.y : $$.y2;
if (d.axis === 'y' || d.axis === 'y2') {
yPos = config.axis_rotated ? 0 : ('end' in d ? yScale(d.end) : 0);
} else {
yPos = config.axis_rotated ? ('start' in d ? $$.x($$.isTimeSeries() ? $$.parseDate(d.start) : d.start) : 0) : 0;
}
return yPos;
};
c3_chart_internal_fn.regionWidth = function (d) {
var $$ = this, config = $$.config,
start = $$.regionX(d), end, yScale = d.axis === 'y' ? $$.y : $$.y2;
if (d.axis === 'y' || d.axis === 'y2') {
end = config.axis_rotated ? ('end' in d ? yScale(d.end) : $$.width) : $$.width;
} else {
end = config.axis_rotated ? $$.width : ('end' in d ? $$.x($$.isTimeSeries() ? $$.parseDate(d.end) : d.end) : $$.width);
}
return end < start ? 0 : end - start;
};
c3_chart_internal_fn.regionHeight = function (d) {
var $$ = this, config = $$.config,
start = this.regionY(d), end, yScale = d.axis === 'y' ? $$.y : $$.y2;
if (d.axis === 'y' || d.axis === 'y2') {
end = config.axis_rotated ? $$.height : ('start' in d ? yScale(d.start) : $$.height);
} else {
end = config.axis_rotated ? ('end' in d ? $$.x($$.isTimeSeries() ? $$.parseDate(d.end) : d.end) : $$.height) : $$.height;
}
return end < start ? 0 : end - start;
};
c3_chart_internal_fn.isRegionOnX = function (d) {
return !d.axis || d.axis === 'x';
};

c3_chart_internal_fn.drag = function (mouse) {
var $$ = this, config = $$.config, main = $$.main, d3 = $$.d3;
var sx, sy, mx, my, minX, maxX, minY, maxY;

if ($$.hasArcType()) { return; }
if (! config.data_selection_enabled) { return; } // do nothing if not selectable
if (config.zoom_enabled && ! $$.zoom.altDomain) { return; } // skip if zoomable because of conflict drag dehavior
if (!config.data_selection_multiple) { return; } // skip when single selection because drag is used for multiple selection

sx = $$.dragStart[0];
sy = $$.dragStart[1];
mx = mouse[0];
my = mouse[1];
minX = Math.min(sx, mx);
maxX = Math.max(sx, mx);
minY = (config.data_selection_grouped) ? $$.margin.top : Math.min(sy, my);
maxY = (config.data_selection_grouped) ? $$.height : Math.max(sy, my);

main.select('.' + CLASS.dragarea)
.attr('x', minX)
.attr('y', minY)
.attr('width', maxX - minX)
.attr('height', maxY - minY);
// TODO: binary search when multiple xs
main.selectAll('.' + CLASS.shapes).selectAll('.' + CLASS.shape)
.filter(function (d) { return config.data_selection_isselectable(d); })
.each(function (d, i) {
var shape = d3.select(this),
isSelected = shape.classed(CLASS.SELECTED),
isIncluded = shape.classed(CLASS.INCLUDED),
_x, _y, _w, _h, toggle, isWithin = false, box;
if (shape.classed(CLASS.circle)) {
_x = shape.attr("cx") * 1;
_y = shape.attr("cy") * 1;
toggle = $$.togglePoint;
isWithin = minX < _x && _x < maxX && minY < _y && _y < maxY;
}
else if (shape.classed(CLASS.bar)) {
box = getPathBox(this);
_x = box.x;
_y = box.y;
_w = box.width;
_h = box.height;
toggle = $$.togglePath;
isWithin = !(maxX < _x || _x + _w < minX) && !(maxY < _y || _y + _h < minY);
} else {
// line/area selection not supported yet
return;
}
if (isWithin ^ isIncluded) {
shape.classed(CLASS.INCLUDED, !isIncluded);
// TODO: included/unincluded callback here
shape.classed(CLASS.SELECTED, !isSelected);
toggle.call($$, !isSelected, shape, d, i);
}
});
};

c3_chart_internal_fn.dragstart = function (mouse) {
var $$ = this, config = $$.config;
if ($$.hasArcType()) { return; }
if (! config.data_selection_enabled) { return; } // do nothing if not selectable
$$.dragStart = mouse;
$$.main.select('.' + CLASS.chart).append('rect')
.attr('class', CLASS.dragarea)
.style('opacity', 0.1);
$$.dragging = true;
};

c3_chart_internal_fn.dragend = function () {
var $$ = this, config = $$.config;
if ($$.hasArcType()) { return; }
if (! config.data_selection_enabled) { return; } // do nothing if not selectable
$$.main.select('.' + CLASS.dragarea)
.transition().duration(100)
.style('opacity', 0)
.remove();
$$.main.selectAll('.' + CLASS.shape)
.classed(CLASS.INCLUDED, false);
$$.dragging = false;
};

c3_chart_internal_fn.selectPoint = function (target, d, i) {
var $$ = this, config = $$.config,
cx = (config.axis_rotated ? $$.circleY : $$.circleX).bind($$),
cy = (config.axis_rotated ? $$.circleX : $$.circleY).bind($$),
r = $$.pointSelectR.bind($$);
config.data_onselected.call($$.api, d, target.node());
// add selected-circle on low layer g
$$.main.select('.' + CLASS.selectedCircles + $$.getTargetSelectorSuffix(d.id)).selectAll('.' + CLASS.selectedCircle + '-' + i)
.data([d])
.enter().append('circle')
.attr("class", function () { return $$.generateClass(CLASS.selectedCircle, i); })
.attr("cx", cx)
.attr("cy", cy)
.attr("stroke", function () { return $$.color(d); })
.attr("r", function (d) { return $$.pointSelectR(d) * 1.4; })
.transition().duration(100)
.attr("r", r);
};
c3_chart_internal_fn.unselectPoint = function (target, d, i) {
var $$ = this;
$$.config.data_onunselected.call($$.api, d, target.node());
// remove selected-circle from low layer g
$$.main.select('.' + CLASS.selectedCircles + $$.getTargetSelectorSuffix(d.id)).selectAll('.' + CLASS.selectedCircle + '-' + i)
.transition().duration(100).attr('r', 0)
.remove();
};
c3_chart_internal_fn.togglePoint = function (selected, target, d, i) {
selected ? this.selectPoint(target, d, i) : this.unselectPoint(target, d, i);
};
c3_chart_internal_fn.selectPath = function (target, d) {
var $$ = this;
$$.config.data_onselected.call($$, d, target.node());
target.transition().duration(100)
.style("fill", function () { return $$.d3.rgb($$.color(d)).brighter(0.75); });
};
c3_chart_internal_fn.unselectPath = function (target, d) {
var $$ = this;
$$.config.data_onunselected.call($$, d, target.node());
target.transition().duration(100)
.style("fill", function () { return $$.color(d); });
};
c3_chart_internal_fn.togglePath = function (selected, target, d, i) {
selected ? this.selectPath(target, d, i) : this.unselectPath(target, d, i);
};
c3_chart_internal_fn.getToggle = function (that, d) {
var $$ = this, toggle;
if (that.nodeName === 'circle') {
if ($$.isStepType(d)) {
// circle is hidden in step chart, so treat as within the click area
toggle = function () {}; // TODO: how to select step chart?
} else {
toggle = $$.togglePoint;
}
}
else if (that.nodeName === 'path') {
toggle = $$.togglePath;
}
return toggle;
};
c3_chart_internal_fn.toggleShape = function (that, d, i) {
var $$ = this, d3 = $$.d3, config = $$.config,
shape = d3.select(that), isSelected = shape.classed(CLASS.SELECTED),
toggle = $$.getToggle(that, d).bind($$);

if (config.data_selection_enabled && config.data_selection_isselectable(d)) {
if (!config.data_selection_multiple) {
$$.main.selectAll('.' + CLASS.shapes + (config.data_selection_grouped ? $$.getTargetSelectorSuffix(d.id) : "")).selectAll('.' + CLASS.shape).each(function (d, i) {
var shape = d3.select(this);
if (shape.classed(CLASS.SELECTED)) { toggle(false, shape.classed(CLASS.SELECTED, false), d, i); }
});
}
shape.classed(CLASS.SELECTED, !isSelected);
toggle(!isSelected, shape, d, i);
}
};

c3_chart_internal_fn.initBrush = function () {
var $$ = this, d3 = $$.d3;
$$.brush = d3.svg.brush().on("brush", function () { $$.redrawForBrush(); });
$$.brush.update = function () {
if ($$.context) { $$.context.select('.' + CLASS.brush).call(this); }
return this;
};
$$.brush.scale = function (scale) {
return $$.config.axis_rotated ? this.y(scale) : this.x(scale);
};
};
c3_chart_internal_fn.initSubchart = function () {
var $$ = this, config = $$.config,
context = $$.context = $$.svg.append("g").attr("transform", $$.getTranslate('context')),
visibility = config.subchart_show ? 'visible' : 'hidden';

context.style('visibility', visibility);

// Define g for chart area
context.append('g')
.attr("clip-path", $$.clipPathForSubchart)
.attr('class', CLASS.chart);

// Define g for bar chart area
context.select('.' + CLASS.chart).append("g")
.attr("class", CLASS.chartBars);

// Define g for line chart area
context.select('.' + CLASS.chart).append("g")
.attr("class", CLASS.chartLines);

// Add extent rect for Brush
context.append("g")
.attr("clip-path", $$.clipPath)
.attr("class", CLASS.brush)
.call($$.brush);

// ATTENTION: This must be called AFTER chart added
// Add Axis
$$.axes.subx = context.append("g")
.attr("class", CLASS.axisX)
.attr("transform", $$.getTranslate('subx'))
.attr("clip-path", config.axis_rotated ? "" : $$.clipPathForXAxis)
.style("visibility", config.subchart_axis_x_show ? visibility : 'hidden');
};
c3_chart_internal_fn.updateTargetsForSubchart = function (targets) {
var $$ = this, context = $$.context, config = $$.config,
contextLineEnter, contextLineUpdate, contextBarEnter, contextBarUpdate,
classChartBar = $$.classChartBar.bind($$),
classBars = $$.classBars.bind($$),
classChartLine = $$.classChartLine.bind($$),
classLines = $$.classLines.bind($$),
classAreas = $$.classAreas.bind($$);

if (config.subchart_show) {
//-- Bar --//
contextBarUpdate = context.select('.' + CLASS.chartBars).selectAll('.' + CLASS.chartBar)
.data(targets)
.attr('class', classChartBar);
contextBarEnter = contextBarUpdate.enter().append('g')
.style('opacity', 0)
.attr('class', classChartBar);
// Bars for each data
contextBarEnter.append('g')
.attr("class", classBars);

//-- Line --//
contextLineUpdate = context.select('.' + CLASS.chartLines).selectAll('.' + CLASS.chartLine)
.data(targets)
.attr('class', classChartLine);
contextLineEnter = contextLineUpdate.enter().append('g')
.style('opacity', 0)
.attr('class', classChartLine);
// Lines for each data
contextLineEnter.append("g")
.attr("class", classLines);
// Area
contextLineEnter.append("g")
.attr("class", classAreas);

//-- Brush --//
context.selectAll('.' + CLASS.brush + ' rect')
.attr(config.axis_rotated ? "width" : "height", config.axis_rotated ? $$.width2 : $$.height2);
}
};
c3_chart_internal_fn.updateBarForSubchart = function (durationForExit) {
var $$ = this;
$$.contextBar = $$.context.selectAll('.' + CLASS.bars).selectAll('.' + CLASS.bar)
.data($$.barData.bind($$));
$$.contextBar.enter().append('path')
.attr("class", $$.classBar.bind($$))
.style("stroke", 'none')
.style("fill", $$.color);
$$.contextBar
.style("opacity", $$.initialOpacity.bind($$));
$$.contextBar.exit().transition().duration(durationForExit)
.style('opacity', 0)
.remove();
};
c3_chart_internal_fn.redrawBarForSubchart = function (drawBarOnSub, withTransition, duration) {
(withTransition ? this.contextBar.transition(Math.random().toString()).duration(duration) : this.contextBar)
.attr('d', drawBarOnSub)
.style('opacity', 1);
};
c3_chart_internal_fn.updateLineForSubchart = function (durationForExit) {
var $$ = this;
$$.contextLine = $$.context.selectAll('.' + CLASS.lines).selectAll('.' + CLASS.line)
.data($$.lineData.bind($$));
$$.contextLine.enter().append('path')
.attr('class', $$.classLine.bind($$))
.style('stroke', $$.color);
$$.contextLine
.style("opacity", $$.initialOpacity.bind($$));
$$.contextLine.exit().transition().duration(durationForExit)
.style('opacity', 0)
.remove();
};
c3_chart_internal_fn.redrawLineForSubchart = function (drawLineOnSub, withTransition, duration) {
(withTransition ? this.contextLine.transition(Math.random().toString()).duration(duration) : this.contextLine)
.attr("d", drawLineOnSub)
.style('opacity', 1);
};
c3_chart_internal_fn.updateAreaForSubchart = function (durationForExit) {
var $$ = this, d3 = $$.d3;
$$.contextArea = $$.context.selectAll('.' + CLASS.areas).selectAll('.' + CLASS.area)
.data($$.lineData.bind($$));
$$.contextArea.enter().append('path')
.attr("class", $$.classArea.bind($$))
.style("fill", $$.color)
.style("opacity", function () { $$.orgAreaOpacity = +d3.select(this).style('opacity'); return 0; });
$$.contextArea
.style("opacity", 0);
$$.contextArea.exit().transition().duration(durationForExit)
.style('opacity', 0)
.remove();
};
c3_chart_internal_fn.redrawAreaForSubchart = function (drawAreaOnSub, withTransition, duration) {
(withTransition ? this.contextArea.transition(Math.random().toString()).duration(duration) : this.contextArea)
.attr("d", drawAreaOnSub)
.style("fill", this.color)
.style("opacity", this.orgAreaOpacity);
};
c3_chart_internal_fn.redrawSubchart = function (withSubchart, transitions, duration, durationForExit, areaIndices, barIndices, lineIndices) {
var $$ = this, d3 = $$.d3, config = $$.config,
drawAreaOnSub, drawBarOnSub, drawLineOnSub;

$$.context.style('visibility', config.subchart_show ? 'visible' : 'hidden');

// subchart
if (config.subchart_show) {
// reflect main chart to extent on subchart if zoomed
if (d3.event && d3.event.type === 'zoom') {
$$.brush.extent($$.x.orgDomain()).update();
}
// update subchart elements if needed
if (withSubchart) {

// extent rect
if (!$$.brush.empty()) {
$$.brush.extent($$.x.orgDomain()).update();
}
// setup drawer - MEMO: this must be called after axis updated
drawAreaOnSub = $$.generateDrawArea(areaIndices, true);
drawBarOnSub = $$.generateDrawBar(barIndices, true);
drawLineOnSub = $$.generateDrawLine(lineIndices, true);

$$.updateBarForSubchart(duration);
$$.updateLineForSubchart(duration);
$$.updateAreaForSubchart(duration);

$$.redrawBarForSubchart(drawBarOnSub, duration, duration);
$$.redrawLineForSubchart(drawLineOnSub, duration, duration);
$$.redrawAreaForSubchart(drawAreaOnSub, duration, duration);
}
}
};
c3_chart_internal_fn.redrawForBrush = function () {
var $$ = this, x = $$.x;
$$.redraw({
withTransition: false,
withY: $$.config.zoom_rescale,
withSubchart: false,
withUpdateXDomain: true,
withDimension: false
});
$$.config.subchart_onbrush.call($$.api, x.orgDomain());
};
c3_chart_internal_fn.transformContext = function (withTransition, transitions) {
var $$ = this, subXAxis;
if (transitions && transitions.axisSubX) {
subXAxis = transitions.axisSubX;
} else {
subXAxis = $$.context.select('.' + CLASS.axisX);
if (withTransition) { subXAxis = subXAxis.transition(); }
}
$$.context.attr("transform", $$.getTranslate('context'));
subXAxis.attr("transform", $$.getTranslate('subx'));
};
c3_chart_internal_fn.getDefaultExtent = function () {
var $$ = this, config = $$.config,
extent = isFunction(config.axis_x_extent) ? config.axis_x_extent($$.getXDomain($$.data.targets)) : config.axis_x_extent;
if ($$.isTimeSeries()) {
extent = [$$.parseDate(extent[0]), $$.parseDate(extent[1])];
}
return extent;
};

c3_chart_internal_fn.initZoom = function () {
var $$ = this, d3 = $$.d3, config = $$.config, startEvent;

$$.zoom = d3.behavior.zoom()
.on("zoomstart", function () {
startEvent = d3.event.sourceEvent;
$$.zoom.altDomain = d3.event.sourceEvent.altKey ? $$.x.orgDomain() : null;
config.zoom_onzoomstart.call($$.api, d3.event.sourceEvent);
})
.on("zoom", function () {
$$.redrawForZoom.call($$);
})
.on('zoomend', function () {
var event = d3.event.sourceEvent;
// if click, do nothing. otherwise, click interaction will be canceled.
if (event && startEvent.clientX === event.clientX && startEvent.clientY === event.clientY) {
return;
}
$$.redrawEventRect();
$$.updateZoom();
config.zoom_onzoomend.call($$.api, $$.x.orgDomain());
});
$$.zoom.scale = function (scale) {
return config.axis_rotated ? this.y(scale) : this.x(scale);
};
$$.zoom.orgScaleExtent = function () {
var extent = config.zoom_extent ? config.zoom_extent : [1, 10];
return [extent[0], Math.max($$.getMaxDataCount() / extent[1], extent[1])];
};
$$.zoom.updateScaleExtent = function () {
var ratio = diffDomain($$.x.orgDomain()) / diffDomain($$.getZoomDomain()),
extent = this.orgScaleExtent();
this.scaleExtent([extent[0] * ratio, extent[1] * ratio]);
return this;
};
};
c3_chart_internal_fn.getZoomDomain = function () {
var $$ = this, config = $$.config, d3 = $$.d3,
min = d3.min([$$.orgXDomain[0], config.zoom_x_min]),
max = d3.max([$$.orgXDomain[1], config.zoom_x_max]);
return [min, max];
};
c3_chart_internal_fn.updateZoom = function () {
var $$ = this, z = $$.config.zoom_enabled ? $$.zoom : function () {};
$$.main.select('.' + CLASS.zoomRect).call(z).on("dblclick.zoom", null);
$$.main.selectAll('.' + CLASS.eventRect).call(z).on("dblclick.zoom", null);
};
c3_chart_internal_fn.redrawForZoom = function () {
var $$ = this, d3 = $$.d3, config = $$.config, zoom = $$.zoom, x = $$.x;
if (!config.zoom_enabled) {
return;
}
if ($$.filterTargetsToShow($$.data.targets).length === 0) {
return;
}
if (d3.event.sourceEvent.type === 'mousemove' && zoom.altDomain) {
x.domain(zoom.altDomain);
zoom.scale(x).updateScaleExtent();
return;
}
if ($$.isCategorized() && x.orgDomain()[0] === $$.orgXDomain[0]) {
x.domain([$$.orgXDomain[0] - 1e-10, x.orgDomain()[1]]);
}
$$.redraw({
withTransition: false,
withY: config.zoom_rescale,
withSubchart: false,
withEventRect: false,
withDimension: false
});
if (d3.event.sourceEvent.type === 'mousemove') {
$$.cancelClick = true;
}
config.zoom_onzoom.call($$.api, x.orgDomain());
};

c3_chart_internal_fn.generateColor = function () {
var $$ = this, config = $$.config, d3 = $$.d3,
colors = config.data_colors,
pattern = notEmpty(config.color_pattern) ? config.color_pattern : d3.scale.category10().range(),
callback = config.data_color,
ids = [];

return function (d) {
var id = d.id || (d.data && d.data.id) || d, color;

// if callback function is provided
if (colors[id] instanceof Function) {
color = colors[id](d);
}
// if specified, choose that color
else if (colors[id]) {
color = colors[id];
}
// if not specified, choose from pattern
else {
if (ids.indexOf(id) < 0) { ids.push(id); }
color = pattern[ids.indexOf(id) % pattern.length];
colors[id] = color;
}
return callback instanceof Function ? callback(color, d) : color;
};
};
c3_chart_internal_fn.generateLevelColor = function () {
var $$ = this, config = $$.config,
colors = config.color_pattern,
threshold = config.color_threshold,
asValue = threshold.unit === 'value',
values = threshold.values && threshold.values.length ? threshold.values : [],
max = threshold.max || 100;
return notEmpty(config.color_threshold) ? function (value) {
var i, v, color = colors[colors.length - 1];
for (i = 0; i < values.length; i++) {
v = asValue ? value : (value * 100 / max);
if (v < values[i]) {
color = colors[i];
break;
}
}
return color;
} : null;
};

c3_chart_internal_fn.getYFormat = function (forArc) {
var $$ = this,
formatForY = forArc && !$$.hasType('gauge') ? $$.defaultArcValueFormat : $$.yFormat,
formatForY2 = forArc && !$$.hasType('gauge') ? $$.defaultArcValueFormat : $$.y2Format;
return function (v, ratio, id) {
var format = $$.axis.getId(id) === 'y2' ? formatForY2 : formatForY;
return format.call($$, v, ratio);
};
};
c3_chart_internal_fn.yFormat = function (v) {
var $$ = this, config = $$.config,
format = config.axis_y_tick_format ? config.axis_y_tick_format : $$.defaultValueFormat;
return format(v);
};
c3_chart_internal_fn.y2Format = function (v) {
var $$ = this, config = $$.config,
format = config.axis_y2_tick_format ? config.axis_y2_tick_format : $$.defaultValueFormat;
return format(v);
};
c3_chart_internal_fn.defaultValueFormat = function (v) {
return isValue(v) ? +v : "";
};
c3_chart_internal_fn.defaultArcValueFormat = function (v, ratio) {
return (ratio * 100).toFixed(1) + '%';
};
c3_chart_internal_fn.dataLabelFormat = function (targetId) {
var $$ = this, data_labels = $$.config.data_labels,
format, defaultFormat = function (v) { return isValue(v) ? +v : ""; };
// find format according to axis id
if (typeof data_labels.format === 'function') {
format = data_labels.format;
} else if (typeof data_labels.format === 'object') {
if (data_labels.format[targetId]) {
format = data_labels.format[targetId] === true ? defaultFormat : data_labels.format[targetId];
} else {
format = function () { return ''; };
}
} else {
format = defaultFormat;
}
return format;
};

c3_chart_internal_fn.hasCaches = function (ids) {
for (var i = 0; i < ids.length; i++) {
if (! (ids[i] in this.cache)) { return false; }
}
return true;
};
c3_chart_internal_fn.addCache = function (id, target) {
this.cache[id] = this.cloneTarget(target);
};
c3_chart_internal_fn.getCaches = function (ids) {
var targets = [], i;
for (i = 0; i < ids.length; i++) {
if (ids[i] in this.cache) { targets.push(this.cloneTarget(this.cache[ids[i]])); }
}
return targets;
};

var CLASS = c3_chart_internal_fn.CLASS = {
target: 'c3-target',
chart: 'c3-chart',
chartLine: 'c3-chart-line',
chartLines: 'c3-chart-lines',
chartBar: 'c3-chart-bar',
chartBars: 'c3-chart-bars',
chartText: 'c3-chart-text',
chartTexts: 'c3-chart-texts',
chartArc: 'c3-chart-arc',
chartArcs: 'c3-chart-arcs',
chartArcsTitle: 'c3-chart-arcs-title',
chartArcsBackground: 'c3-chart-arcs-background',
chartArcsGaugeUnit: 'c3-chart-arcs-gauge-unit',
chartArcsGaugeMax: 'c3-chart-arcs-gauge-max',
chartArcsGaugeMin: 'c3-chart-arcs-gauge-min',
selectedCircle: 'c3-selected-circle',
selectedCircles: 'c3-selected-circles',
eventRect: 'c3-event-rect',
eventRects: 'c3-event-rects',
eventRectsSingle: 'c3-event-rects-single',
eventRectsMultiple: 'c3-event-rects-multiple',
zoomRect: 'c3-zoom-rect',
brush: 'c3-brush',
focused: 'c3-focused',
defocused: 'c3-defocused',
region: 'c3-region',
regions: 'c3-regions',
title: 'c3-title',
tooltipContainer: 'c3-tooltip-container',
tooltip: 'c3-tooltip',
tooltipName: 'c3-tooltip-name',
shape: 'c3-shape',
shapes: 'c3-shapes',
line: 'c3-line',
lines: 'c3-lines',
bar: 'c3-bar',
bars: 'c3-bars',
circle: 'c3-circle',
circles: 'c3-circles',
arc: 'c3-arc',
arcs: 'c3-arcs',
area: 'c3-area',
areas: 'c3-areas',
empty: 'c3-empty',
text: 'c3-text',
texts: 'c3-texts',
gaugeValue: 'c3-gauge-value',
grid: 'c3-grid',
gridLines: 'c3-grid-lines',
xgrid: 'c3-xgrid',
xgrids: 'c3-xgrids',
xgridLine: 'c3-xgrid-line',
xgridLines: 'c3-xgrid-lines',
xgridFocus: 'c3-xgrid-focus',
ygrid: 'c3-ygrid',
ygrids: 'c3-ygrids',
ygridLine: 'c3-ygrid-line',
ygridLines: 'c3-ygrid-lines',
axis: 'c3-axis',
axisX: 'c3-axis-x',
axisXLabel: 'c3-axis-x-label',
axisY: 'c3-axis-y',
axisYLabel: 'c3-axis-y-label',
axisY2: 'c3-axis-y2',
axisY2Label: 'c3-axis-y2-label',
legendBackground: 'c3-legend-background',
legendItem: 'c3-legend-item',
legendItemEvent: 'c3-legend-item-event',
legendItemTile: 'c3-legend-item-tile',
legendItemHidden: 'c3-legend-item-hidden',
legendItemFocused: 'c3-legend-item-focused',
dragarea: 'c3-dragarea',
EXPANDED: '_expanded_',
SELECTED: '_selected_',
INCLUDED: '_included_'
};
c3_chart_internal_fn.generateClass = function (prefix, targetId) {
return " " + prefix + " " + prefix + this.getTargetSelectorSuffix(targetId);
};
c3_chart_internal_fn.classText = function (d) {
return this.generateClass(CLASS.text, d.index);
};
c3_chart_internal_fn.classTexts = function (d) {
return this.generateClass(CLASS.texts, d.id);
};
c3_chart_internal_fn.classShape = function (d) {
return this.generateClass(CLASS.shape, d.index);
};
c3_chart_internal_fn.classShapes = function (d) {
return this.generateClass(CLASS.shapes, d.id);
};
c3_chart_internal_fn.classLine = function (d) {
return this.classShape(d) + this.generateClass(CLASS.line, d.id);
};
c3_chart_internal_fn.classLines = function (d) {
return this.classShapes(d) + this.generateClass(CLASS.lines, d.id);
};
c3_chart_internal_fn.classCircle = function (d) {
return this.classShape(d) + this.generateClass(CLASS.circle, d.index);
};
c3_chart_internal_fn.classCircles = function (d) {
return this.classShapes(d) + this.generateClass(CLASS.circles, d.id);
};
c3_chart_internal_fn.classBar = function (d) {
return this.classShape(d) + this.generateClass(CLASS.bar, d.index);
};
c3_chart_internal_fn.classBars = function (d) {
return this.classShapes(d) + this.generateClass(CLASS.bars, d.id);
};
c3_chart_internal_fn.classArc = function (d) {
return this.classShape(d.data) + this.generateClass(CLASS.arc, d.data.id);
};
c3_chart_internal_fn.classArcs = function (d) {
return this.classShapes(d.data) + this.generateClass(CLASS.arcs, d.data.id);
};
c3_chart_internal_fn.classArea = function (d) {
return this.classShape(d) + this.generateClass(CLASS.area, d.id);
};
c3_chart_internal_fn.classAreas = function (d) {
return this.classShapes(d) + this.generateClass(CLASS.areas, d.id);
};
c3_chart_internal_fn.classRegion = function (d, i) {
return this.generateClass(CLASS.region, i) + ' ' + ('class' in d ? d['class'] : '');
};
c3_chart_internal_fn.classEvent = function (d) {
return this.generateClass(CLASS.eventRect, d.index);
};
c3_chart_internal_fn.classTarget = function (id) {
var $$ = this;
var additionalClassSuffix = $$.config.data_classes[id], additionalClass = '';
if (additionalClassSuffix) {
additionalClass = ' ' + CLASS.target + '-' + additionalClassSuffix;
}
return $$.generateClass(CLASS.target, id) + additionalClass;
};
c3_chart_internal_fn.classFocus = function (d) {
return this.classFocused(d) + this.classDefocused(d);
};
c3_chart_internal_fn.classFocused = function (d) {
return ' ' + (this.focusedTargetIds.indexOf(d.id) >= 0 ? CLASS.focused : '');
};
c3_chart_internal_fn.classDefocused = function (d) {
return ' ' + (this.defocusedTargetIds.indexOf(d.id) >= 0 ? CLASS.defocused : '');
};
c3_chart_internal_fn.classChartText = function (d) {
return CLASS.chartText + this.classTarget(d.id);
};
c3_chart_internal_fn.classChartLine = function (d) {
return CLASS.chartLine + this.classTarget(d.id);
};
c3_chart_internal_fn.classChartBar = function (d) {
return CLASS.chartBar + this.classTarget(d.id);
};
c3_chart_internal_fn.classChartArc = function (d) {
return CLASS.chartArc + this.classTarget(d.data.id);
};
c3_chart_internal_fn.getTargetSelectorSuffix = function (targetId) {
return targetId || targetId === 0 ? ('-' + targetId).replace(/[\s?!@#$%^&*()_=+,.<>'":;\[\]\/|~`{}\\]/g, '-') : '';
};
c3_chart_internal_fn.selectorTarget = function (id, prefix) {
return (prefix || '') + '.' + CLASS.target + this.getTargetSelectorSuffix(id);
};
c3_chart_internal_fn.selectorTargets = function (ids, prefix) {
var $$ = this;
ids = ids || [];
return ids.length ? ids.map(function (id) { return $$.selectorTarget(id, prefix); }) : null;
};
c3_chart_internal_fn.selectorLegend = function (id) {
return '.' + CLASS.legendItem + this.getTargetSelectorSuffix(id);
};
c3_chart_internal_fn.selectorLegends = function (ids) {
var $$ = this;
return ids && ids.length ? ids.map(function (id) { return $$.selectorLegend(id); }) : null;
};

var isValue = c3_chart_internal_fn.isValue = function (v) {
return v || v === 0;
},
isFunction = c3_chart_internal_fn.isFunction = function (o) {
return typeof o === 'function';
},
isString = c3_chart_internal_fn.isString = function (o) {
return typeof o === 'string';
},
isUndefined = c3_chart_internal_fn.isUndefined = function (v) {
return typeof v === 'undefined';
},
isDefined = c3_chart_internal_fn.isDefined = function (v) {
return typeof v !== 'undefined';
},
ceil10 = c3_chart_internal_fn.ceil10 = function (v) {
return Math.ceil(v / 10) * 10;
},
asHalfPixel = c3_chart_internal_fn.asHalfPixel = function (n) {
return Math.ceil(n) + 0.5;
},
diffDomain = c3_chart_internal_fn.diffDomain = function (d) {
return d[1] - d[0];
},
isEmpty = c3_chart_internal_fn.isEmpty = function (o) {
return typeof o === 'undefined' || o === null || (isString(o) && o.length === 0) || (typeof o === 'object' && Object.keys(o).length === 0);
},
notEmpty = c3_chart_internal_fn.notEmpty = function (o) {
return !c3_chart_internal_fn.isEmpty(o);
},
getOption = c3_chart_internal_fn.getOption = function (options, key, defaultValue) {
return isDefined(options[key]) ? options[key] : defaultValue;
},
hasValue = c3_chart_internal_fn.hasValue = function (dict, value) {
var found = false;
Object.keys(dict).forEach(function (key) {
if (dict[key] === value) { found = true; }
});
return found;
},
getPathBox = c3_chart_internal_fn.getPathBox = function (path) {
var box = path.getBoundingClientRect(),
items = [path.pathSegList.getItem(0), path.pathSegList.getItem(1)],
minX = items[0].x, minY = Math.min(items[0].y, items[1].y);
return {x: minX, y: minY, width: box.width, height: box.height};
};

c3_chart_fn.focus = function (targetIds) {
var $$ = this.internal, candidates;

targetIds = $$.mapToTargetIds(targetIds);
candidates = $$.svg.selectAll($$.selectorTargets(targetIds.filter($$.isTargetToShow, $$))),

this.revert();
this.defocus();
candidates.classed(CLASS.focused, true).classed(CLASS.defocused, false);
if ($$.hasArcType()) {
$$.expandArc(targetIds);
}
$$.toggleFocusLegend(targetIds, true);

$$.focusedTargetIds = targetIds;
$$.defocusedTargetIds = $$.defocusedTargetIds.filter(function (id) {
return targetIds.indexOf(id) < 0;
});
};

c3_chart_fn.defocus = function (targetIds) {
var $$ = this.internal, candidates;

targetIds = $$.mapToTargetIds(targetIds);
candidates = $$.svg.selectAll($$.selectorTargets(targetIds.filter($$.isTargetToShow, $$))),

candidates.classed(CLASS.focused, false).classed(CLASS.defocused, true);
if ($$.hasArcType()) {
$$.unexpandArc(targetIds);
}
$$.toggleFocusLegend(targetIds, false);

$$.focusedTargetIds = $$.focusedTargetIds.filter(function (id) {
return targetIds.indexOf(id) < 0;
});
$$.defocusedTargetIds = targetIds;
};

c3_chart_fn.revert = function (targetIds) {
var $$ = this.internal, candidates;

targetIds = $$.mapToTargetIds(targetIds);
candidates = $$.svg.selectAll($$.selectorTargets(targetIds)); // should be for all targets

candidates.classed(CLASS.focused, false).classed(CLASS.defocused, false);
if ($$.hasArcType()) {
$$.unexpandArc(targetIds);
}
if ($$.config.legend_show) {
$$.showLegend(targetIds.filter($$.isLegendToShow.bind($$)));
$$.legend.selectAll($$.selectorLegends(targetIds))
.filter(function () {
return $$.d3.select(this).classed(CLASS.legendItemFocused);
})
.classed(CLASS.legendItemFocused, false);
}

$$.focusedTargetIds = [];
$$.defocusedTargetIds = [];
};

c3_chart_fn.show = function (targetIds, options) {
var $$ = this.internal, targets;

targetIds = $$.mapToTargetIds(targetIds);
options = options || {};

$$.removeHiddenTargetIds(targetIds);
targets = $$.svg.selectAll($$.selectorTargets(targetIds));

targets.transition()
.style('opacity', 1, 'important')
.call($$.endall, function () {
targets.style('opacity', null).style('opacity', 1);
});

if (options.withLegend) {
$$.showLegend(targetIds);
}

$$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true});
};

c3_chart_fn.hide = function (targetIds, options) {
var $$ = this.internal, targets;

targetIds = $$.mapToTargetIds(targetIds);
options = options || {};

$$.addHiddenTargetIds(targetIds);
targets = $$.svg.selectAll($$.selectorTargets(targetIds));

targets.transition()
.style('opacity', 0, 'important')
.call($$.endall, function () {
targets.style('opacity', null).style('opacity', 0);
});

if (options.withLegend) {
$$.hideLegend(targetIds);
}

$$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true});
};

c3_chart_fn.toggle = function (targetIds, options) {
var that = this, $$ = this.internal;
$$.mapToTargetIds(targetIds).forEach(function (targetId) {
$$.isTargetToShow(targetId) ? that.hide(targetId, options) : that.show(targetId, options);
});
};

c3_chart_fn.zoom = function (domain) {
var $$ = this.internal;
if (domain) {
if ($$.isTimeSeries()) {
domain = domain.map(function (x) { return $$.parseDate(x); });
}
$$.brush.extent(domain);
$$.redraw({withUpdateXDomain: true, withY: $$.config.zoom_rescale});
$$.config.zoom_onzoom.call(this, $$.x.orgDomain());
}
return $$.brush.extent();
};
c3_chart_fn.zoom.enable = function (enabled) {
var $$ = this.internal;
$$.config.zoom_enabled = enabled;
$$.updateAndRedraw();
};
c3_chart_fn.unzoom = function () {
var $$ = this.internal;
$$.brush.clear().update();
$$.redraw({withUpdateXDomain: true});
};

c3_chart_fn.zoom.max = function (max) {
var $$ = this.internal, config = $$.config, d3 = $$.d3;
if (max === 0 || max) {
config.zoom_x_max = d3.max([$$.orgXDomain[1], max]);
}
else {
return config.zoom_x_max;
}
};

c3_chart_fn.zoom.min = function (min) {
var $$ = this.internal, config = $$.config, d3 = $$.d3;
if (min === 0 || min) {
config.zoom_x_min = d3.min([$$.orgXDomain[0], min]);
}
else {
return config.zoom_x_min;
}
};

c3_chart_fn.zoom.range = function (range) {
if (arguments.length) {
if (isDefined(range.max)) { this.domain.max(range.max); }
if (isDefined(range.min)) { this.domain.min(range.min); }
} else {
return {
max: this.domain.max(),
min: this.domain.min()
};
}
};

c3_chart_fn.load = function (args) {
var $$ = this.internal, config = $$.config;
// update xs if specified
if (args.xs) {
$$.addXs(args.xs);
}
// update classes if exists
if ('classes' in args) {
Object.keys(args.classes).forEach(function (id) {
config.data_classes[id] = args.classes[id];
});
}
// update categories if exists
if ('categories' in args && $$.isCategorized()) {
config.axis_x_categories = args.categories;
}
// update axes if exists
if ('axes' in args) {
Object.keys(args.axes).forEach(function (id) {
config.data_axes[id] = args.axes[id];
});
}
// update colors if exists
if ('colors' in args) {
Object.keys(args.colors).forEach(function (id) {
config.data_colors[id] = args.colors[id];
});
}
// use cache if exists
if ('cacheIds' in args && $$.hasCaches(args.cacheIds)) {
$$.load($$.getCaches(args.cacheIds), args.done);
return;
}
// unload if needed
if ('unload' in args) {
// TODO: do not unload if target will load (included in url/rows/columns)
$$.unload($$.mapToTargetIds((typeof args.unload === 'boolean' && args.unload) ? null : args.unload), function () {
$$.loadFromArgs(args);
});
} else {
$$.loadFromArgs(args);
}
};

c3_chart_fn.unload = function (args) {
var $$ = this.internal;
args = args || {};
if (args instanceof Array) {
args = {ids: args};
} else if (typeof args === 'string') {
args = {ids: [args]};
}
$$.unload($$.mapToTargetIds(args.ids), function () {
$$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true});
if (args.done) { args.done(); }
});
};

c3_chart_fn.flow = function (args) {
var $$ = this.internal,
targets, data, notfoundIds = [], orgDataCount = $$.getMaxDataCount(),
dataCount, domain, baseTarget, baseValue, length = 0, tail = 0, diff, to;

if (args.json) {
data = $$.convertJsonToData(args.json, args.keys);
}
else if (args.rows) {
data = $$.convertRowsToData(args.rows);
}
else if (args.columns) {
data = $$.convertColumnsToData(args.columns);
}
else {
return;
}
targets = $$.convertDataToTargets(data, true);

// Update/Add data
$$.data.targets.forEach(function (t) {
var found = false, i, j;
for (i = 0; i < targets.length; i++) {
if (t.id === targets[i].id) {
found = true;

if (t.values[t.values.length - 1]) {
tail = t.values[t.values.length - 1].index + 1;
}
length = targets[i].values.length;

for (j = 0; j < length; j++) {
targets[i].values[j].index = tail + j;
if (!$$.isTimeSeries()) {
targets[i].values[j].x = tail + j;
}
}
t.values = t.values.concat(targets[i].values);

targets.splice(i, 1);
break;
}
}
if (!found) { notfoundIds.push(t.id); }
});

// Append null for not found targets
$$.data.targets.forEach(function (t) {
var i, j;
for (i = 0; i < notfoundIds.length; i++) {
if (t.id === notfoundIds[i]) {
tail = t.values[t.values.length - 1].index + 1;
for (j = 0; j < length; j++) {
t.values.push({
id: t.id,
index: tail + j,
x: $$.isTimeSeries() ? $$.getOtherTargetX(tail + j) : tail + j,
value: null
});
}
}
}
});

// Generate null values for new target
if ($$.data.targets.length) {
targets.forEach(function (t) {
var i, missing = [];
for (i = $$.data.targets[0].values[0].index; i < tail; i++) {
missing.push({
id: t.id,
index: i,
x: $$.isTimeSeries() ? $$.getOtherTargetX(i) : i,
value: null
});
}
t.values.forEach(function (v) {
v.index += tail;
if (!$$.isTimeSeries()) {
v.x += tail;
}
});
t.values = missing.concat(t.values);
});
}
$$.data.targets = $$.data.targets.concat(targets); // add remained

// check data count because behavior needs to change when it's only one
dataCount = $$.getMaxDataCount();
baseTarget = $$.data.targets[0];
baseValue = baseTarget.values[0];

// Update length to flow if needed
if (isDefined(args.to)) {
length = 0;
to = $$.isTimeSeries() ? $$.parseDate(args.to) : args.to;
baseTarget.values.forEach(function (v) {
if (v.x < to) { length++; }
});
} else if (isDefined(args.length)) {
length = args.length;
}

// If only one data, update the domain to flow from left edge of the chart
if (!orgDataCount) {
if ($$.isTimeSeries()) {
if (baseTarget.values.length > 1) {
diff = baseTarget.values[baseTarget.values.length - 1].x - baseValue.x;
} else {
diff = baseValue.x - $$.getXDomain($$.data.targets)[0];
}
} else {
diff = 1;
}
domain = [baseValue.x - diff, baseValue.x];
$$.updateXDomain(null, true, true, false, domain);
} else if (orgDataCount === 1) {
if ($$.isTimeSeries()) {
diff = (baseTarget.values[baseTarget.values.length - 1].x - baseValue.x) / 2;
domain = [new Date(+baseValue.x - diff), new Date(+baseValue.x + diff)];
$$.updateXDomain(null, true, true, false, domain);
}
}

// Set targets
$$.updateTargets($$.data.targets);

// Redraw with new targets
$$.redraw({
flow: {
index: baseValue.index,
length: length,
duration: isValue(args.duration) ? args.duration : $$.config.transition_duration,
done: args.done,
orgDataCount: orgDataCount,
},
withLegend: true,
withTransition: orgDataCount > 1,
withTrimXDomain: false,
withUpdateXAxis: true,
});
};

c3_chart_internal_fn.generateFlow = function (args) {
var $$ = this, config = $$.config, d3 = $$.d3;

return function () {
var targets = args.targets,
flow = args.flow,
drawBar = args.drawBar,
drawLine = args.drawLine,
drawArea = args.drawArea,
cx = args.cx,
cy = args.cy,
xv = args.xv,
xForText = args.xForText,
yForText = args.yForText,
duration = args.duration;

var translateX, scaleX = 1, transform,
flowIndex = flow.index,
flowLength = flow.length,
flowStart = $$.getValueOnIndex($$.data.targets[0].values, flowIndex),
flowEnd = $$.getValueOnIndex($$.data.targets[0].values, flowIndex + flowLength),
orgDomain = $$.x.domain(), domain,
durationForFlow = flow.duration || duration,
done = flow.done || function () {},
wait = $$.generateWait();

var xgrid = $$.xgrid || d3.selectAll([]),
xgridLines = $$.xgridLines || d3.selectAll([]),
mainRegion = $$.mainRegion || d3.selectAll([]),
mainText = $$.mainText || d3.selectAll([]),
mainBar = $$.mainBar || d3.selectAll([]),
mainLine = $$.mainLine || d3.selectAll([]),
mainArea = $$.mainArea || d3.selectAll([]),
mainCircle = $$.mainCircle || d3.selectAll([]);

// set flag
$$.flowing = true;

// remove head data after rendered
$$.data.targets.forEach(function (d) {
d.values.splice(0, flowLength);
});

// update x domain to generate axis elements for flow
domain = $$.updateXDomain(targets, true, true);
// update elements related to x scale
if ($$.updateXGrid) { $$.updateXGrid(true); }

// generate transform to flow
if (!flow.orgDataCount) { // if empty
if ($$.data.targets[0].values.length !== 1) {
translateX = $$.x(orgDomain[0]) - $$.x(domain[0]);
} else {
if ($$.isTimeSeries()) {
flowStart = $$.getValueOnIndex($$.data.targets[0].values, 0);
flowEnd = $$.getValueOnIndex($$.data.targets[0].values, $$.data.targets[0].values.length - 1);
translateX = $$.x(flowStart.x) - $$.x(flowEnd.x);
} else {
translateX = diffDomain(domain) / 2;
}
}
} else if (flow.orgDataCount === 1 || flowStart.x === flowEnd.x) {
translateX = $$.x(orgDomain[0]) - $$.x(domain[0]);
} else {
if ($$.isTimeSeries()) {
translateX = ($$.x(orgDomain[0]) - $$.x(domain[0]));
} else {
translateX = ($$.x(flowStart.x) - $$.x(flowEnd.x));
}
}
scaleX = (diffDomain(orgDomain) / diffDomain(domain));
transform = 'translate(' + translateX + ',0) scale(' + scaleX + ',1)';

$$.hideXGridFocus();

d3.transition().ease('linear').duration(durationForFlow).each(function () {
wait.add($$.axes.x.transition().call($$.xAxis));
wait.add(mainBar.transition().attr('transform', transform));
wait.add(mainLine.transition().attr('transform', transform));
wait.add(mainArea.transition().attr('transform', transform));
wait.add(mainCircle.transition().attr('transform', transform));
wait.add(mainText.transition().attr('transform', transform));
wait.add(mainRegion.filter($$.isRegionOnX).transition().attr('transform', transform));
wait.add(xgrid.transition().attr('transform', transform));
wait.add(xgridLines.transition().attr('transform', transform));
})
.call(wait, function () {
var i, shapes = [], texts = [], eventRects = [];

// remove flowed elements
if (flowLength) {
for (i = 0; i < flowLength; i++) {
shapes.push('.' + CLASS.shape + '-' + (flowIndex + i));
texts.push('.' + CLASS.text + '-' + (flowIndex + i));
eventRects.push('.' + CLASS.eventRect + '-' + (flowIndex + i));
}
$$.svg.selectAll('.' + CLASS.shapes).selectAll(shapes).remove();
$$.svg.selectAll('.' + CLASS.texts).selectAll(texts).remove();
$$.svg.selectAll('.' + CLASS.eventRects).selectAll(eventRects).remove();
$$.svg.select('.' + CLASS.xgrid).remove();
}

// draw again for removing flowed elements and reverting attr
xgrid
.attr('transform', null)
.attr($$.xgridAttr);
xgridLines
.attr('transform', null);
xgridLines.select('line')
.attr("x1", config.axis_rotated ? 0 : xv)
.attr("x2", config.axis_rotated ? $$.width : xv);
xgridLines.select('text')
.attr("x", config.axis_rotated ? $$.width : 0)
.attr("y", xv);
mainBar
.attr('transform', null)
.attr("d", drawBar);
mainLine
.attr('transform', null)
.attr("d", drawLine);
mainArea
.attr('transform', null)
.attr("d", drawArea);
mainCircle
.attr('transform', null)
.attr("cx", cx)
.attr("cy", cy);
mainText
.attr('transform', null)
.attr('x', xForText)
.attr('y', yForText)
.style('fill-opacity', $$.opacityForText.bind($$));
mainRegion
.attr('transform', null);
mainRegion.select('rect').filter($$.isRegionOnX)
.attr("x", $$.regionX.bind($$))
.attr("width", $$.regionWidth.bind($$));

if (config.interaction_enabled) {
$$.redrawEventRect();
}

// callback for end of flow
done();

$$.flowing = false;
});
};
};

c3_chart_fn.selected = function (targetId) {
var $$ = this.internal, d3 = $$.d3;
return d3.merge(
$$.main.selectAll('.' + CLASS.shapes + $$.getTargetSelectorSuffix(targetId)).selectAll('.' + CLASS.shape)
.filter(function () { return d3.select(this).classed(CLASS.SELECTED); })
.map(function (d) { return d.map(function (d) { var data = d.__data__; return data.data ? data.data : data; }); })
);
};
c3_chart_fn.select = function (ids, indices, resetOther) {
var $$ = this.internal, d3 = $$.d3, config = $$.config;
if (! config.data_selection_enabled) { return; }
$$.main.selectAll('.' + CLASS.shapes).selectAll('.' + CLASS.shape).each(function (d, i) {
var shape = d3.select(this), id = d.data ? d.data.id : d.id,
toggle = $$.getToggle(this, d).bind($$),
isTargetId = config.data_selection_grouped || !ids || ids.indexOf(id) >= 0,
isTargetIndex = !indices || indices.indexOf(i) >= 0,
isSelected = shape.classed(CLASS.SELECTED);
// line/area selection not supported yet
if (shape.classed(CLASS.line) || shape.classed(CLASS.area)) {
return;
}
if (isTargetId && isTargetIndex) {
if (config.data_selection_isselectable(d) && !isSelected) {
toggle(true, shape.classed(CLASS.SELECTED, true), d, i);
}
} else if (isDefined(resetOther) && resetOther) {
if (isSelected) {
toggle(false, shape.classed(CLASS.SELECTED, false), d, i);
}
}
});
};
c3_chart_fn.unselect = function (ids, indices) {
var $$ = this.internal, d3 = $$.d3, config = $$.config;
if (! config.data_selection_enabled) { return; }
$$.main.selectAll('.' + CLASS.shapes).selectAll('.' + CLASS.shape).each(function (d, i) {
var shape = d3.select(this), id = d.data ? d.data.id : d.id,
toggle = $$.getToggle(this, d).bind($$),
isTargetId = config.data_selection_grouped || !ids || ids.indexOf(id) >= 0,
isTargetIndex = !indices || indices.indexOf(i) >= 0,
isSelected = shape.classed(CLASS.SELECTED);
// line/area selection not supported yet
if (shape.classed(CLASS.line) || shape.classed(CLASS.area)) {
return;
}
if (isTargetId && isTargetIndex) {
if (config.data_selection_isselectable(d)) {
if (isSelected) {
toggle(false, shape.classed(CLASS.SELECTED, false), d, i);
}
}
}
});
};

c3_chart_fn.transform = function (type, targetIds) {
var $$ = this.internal,
options = ['pie', 'donut'].indexOf(type) >= 0 ? {withTransform: true} : null;
$$.transformTo(targetIds, type, options);
};

c3_chart_internal_fn.transformTo = function (targetIds, type, optionsForRedraw) {
var $$ = this,
withTransitionForAxis = !$$.hasArcType(),
options = optionsForRedraw || {withTransitionForAxis: withTransitionForAxis};
options.withTransitionForTransform = false;
$$.transiting = false;
$$.setTargetType(targetIds, type);
$$.updateTargets($$.data.targets); // this is needed when transforming to arc
$$.updateAndRedraw(options);
};

c3_chart_fn.groups = function (groups) {
var $$ = this.internal, config = $$.config;
if (isUndefined(groups)) { return config.data_groups; }
config.data_groups = groups;
$$.redraw();
return config.data_groups;
};

c3_chart_fn.xgrids = function (grids) {
var $$ = this.internal, config = $$.config;
if (! grids) { return config.grid_x_lines; }
config.grid_x_lines = grids;
$$.redrawWithoutRescale();
return config.grid_x_lines;
};
c3_chart_fn.xgrids.add = function (grids) {
var $$ = this.internal;
return this.xgrids($$.config.grid_x_lines.concat(grids ? grids : []));
};
c3_chart_fn.xgrids.remove = function (params) { // TODO: multiple
var $$ = this.internal;
$$.removeGridLines(params, true);
};

c3_chart_fn.ygrids = function (grids) {
var $$ = this.internal, config = $$.config;
if (! grids) { return config.grid_y_lines; }
config.grid_y_lines = grids;
$$.redrawWithoutRescale();
return config.grid_y_lines;
};
c3_chart_fn.ygrids.add = function (grids) {
var $$ = this.internal;
return this.ygrids($$.config.grid_y_lines.concat(grids ? grids : []));
};
c3_chart_fn.ygrids.remove = function (params) { // TODO: multiple
var $$ = this.internal;
$$.removeGridLines(params, false);
};

c3_chart_fn.regions = function (regions) {
var $$ = this.internal, config = $$.config;
if (!regions) { return config.regions; }
config.regions = regions;
$$.redrawWithoutRescale();
return config.regions;
};
c3_chart_fn.regions.add = function (regions) {
var $$ = this.internal, config = $$.config;
if (!regions) { return config.regions; }
config.regions = config.regions.concat(regions);
$$.redrawWithoutRescale();
return config.regions;
};
c3_chart_fn.regions.remove = function (options) {
var $$ = this.internal, config = $$.config,
duration, classes, regions;

options = options || {};
duration = $$.getOption(options, "duration", config.transition_duration);
classes = $$.getOption(options, "classes", [CLASS.region]);

regions = $$.main.select('.' + CLASS.regions).selectAll(classes.map(function (c) { return '.' + c; }));
(duration ? regions.transition().duration(duration) : regions)
.style('opacity', 0)
.remove();

config.regions = config.regions.filter(function (region) {
var found = false;
if (!region['class']) {
return true;
}
region['class'].split(' ').forEach(function (c) {
if (classes.indexOf(c) >= 0) { found = true; }
});
return !found;
});

return config.regions;
};

c3_chart_fn.data = function (targetIds) {
var targets = this.internal.data.targets;
return typeof targetIds === 'undefined' ? targets : targets.filter(function (t) {
return [].concat(targetIds).indexOf(t.id) >= 0;
});
};
c3_chart_fn.data.shown = function (targetIds) {
return this.internal.filterTargetsToShow(this.data(targetIds));
};
c3_chart_fn.data.values = function (targetId) {
var targets, values = null;
if (targetId) {
targets = this.data(targetId);
values = targets[0] ? targets[0].values.map(function (d) { return d.value; }) : null;
}
return values;
};
c3_chart_fn.data.names = function (names) {
this.internal.clearLegendItemTextBoxCache();
return this.internal.updateDataAttributes('names', names);
};
c3_chart_fn.data.colors = function (colors) {
return this.internal.updateDataAttributes('colors', colors);
};
c3_chart_fn.data.axes = function (axes) {
return this.internal.updateDataAttributes('axes', axes);
};

c3_chart_fn.category = function (i, category) {
var $$ = this.internal, config = $$.config;
if (arguments.length > 1) {
config.axis_x_categories[i] = category;
$$.redraw();
}
return config.axis_x_categories[i];
};
c3_chart_fn.categories = function (categories) {
var $$ = this.internal, config = $$.config;
if (!arguments.length) { return config.axis_x_categories; }
config.axis_x_categories = categories;
$$.redraw();
return config.axis_x_categories;
};

// TODO: fix
c3_chart_fn.color = function (id) {
var $$ = this.internal;
return $$.color(id); // more patterns
};

c3_chart_fn.x = function (x) {
var $$ = this.internal;
if (arguments.length) {
$$.updateTargetX($$.data.targets, x);
$$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true});
}
return $$.data.xs;
};
c3_chart_fn.xs = function (xs) {
var $$ = this.internal;
if (arguments.length) {
$$.updateTargetXs($$.data.targets, xs);
$$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true});
}
return $$.data.xs;
};

c3_chart_fn.axis = function () {};
c3_chart_fn.axis.labels = function (labels) {
var $$ = this.internal;
if (arguments.length) {
Object.keys(labels).forEach(function (axisId) {
$$.axis.setLabelText(axisId, labels[axisId]);
});
$$.axis.updateLabels();
}
// TODO: return some values?
};
c3_chart_fn.axis.max = function (max) {
var $$ = this.internal, config = $$.config;
if (arguments.length) {
if (typeof max === 'object') {
if (isValue(max.x)) { config.axis_x_max = max.x; }
if (isValue(max.y)) { config.axis_y_max = max.y; }
if (isValue(max.y2)) { config.axis_y2_max = max.y2; }
} else {
config.axis_y_max = config.axis_y2_max = max;
}
$$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true});
} else {
return {
x: config.axis_x_max,
y: config.axis_y_max,
y2: config.axis_y2_max
};
}
};
c3_chart_fn.axis.min = function (min) {
var $$ = this.internal, config = $$.config;
if (arguments.length) {
if (typeof min === 'object') {
if (isValue(min.x)) { config.axis_x_min = min.x; }
if (isValue(min.y)) { config.axis_y_min = min.y; }
if (isValue(min.y2)) { config.axis_y2_min = min.y2; }
} else {
config.axis_y_min = config.axis_y2_min = min;
}
$$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true});
} else {
return {
x: config.axis_x_min,
y: config.axis_y_min,
y2: config.axis_y2_min
};
}
};
c3_chart_fn.axis.range = function (range) {
if (arguments.length) {
if (isDefined(range.max)) { this.axis.max(range.max); }
if (isDefined(range.min)) { this.axis.min(range.min); }
} else {
return {
max: this.axis.max(),
min: this.axis.min()
};
}
};

c3_chart_fn.legend = function () {};
c3_chart_fn.legend.show = function (targetIds) {
var $$ = this.internal;
$$.showLegend($$.mapToTargetIds(targetIds));
$$.updateAndRedraw({withLegend: true});
};
c3_chart_fn.legend.hide = function (targetIds) {
var $$ = this.internal;
$$.hideLegend($$.mapToTargetIds(targetIds));
$$.updateAndRedraw({withLegend: true});
};

c3_chart_fn.resize = function (size) {
var $$ = this.internal, config = $$.config;
config.size_width = size ? size.width : null;
config.size_height = size ? size.height : null;
this.flush();
};

c3_chart_fn.flush = function () {
var $$ = this.internal;
$$.updateAndRedraw({withLegend: true, withTransition: false, withTransitionForTransform: false});
};

c3_chart_fn.destroy = function () {
var $$ = this.internal;

window.clearInterval($$.intervalForObserveInserted);

if ($$.resizeTimeout !== undefined) {
window.clearTimeout($$.resizeTimeout);
}

if (window.detachEvent) {
window.detachEvent('onresize', $$.resizeFunction);
} else if (window.removeEventListener) {
window.removeEventListener('resize', $$.resizeFunction);
} else {
var wrapper = window.onresize;
// check if no one else removed our wrapper and remove our resizeFunction from it
if (wrapper && wrapper.add && wrapper.remove) {
wrapper.remove($$.resizeFunction);
}
}

$$.selectChart.classed('c3', false).html("");

// MEMO: this is needed because the reference of some elements will not be released, then memory leak will happen.
Object.keys($$).forEach(function (key) {
$$[key] = null;
});

return null;
};

c3_chart_fn.tooltip = function () {};
c3_chart_fn.tooltip.show = function (args) {
var $$ = this.internal, index, mouse;

// determine mouse position on the chart
if (args.mouse) {
mouse = args.mouse;
}

// determine focus data
if (args.data) {
if ($$.isMultipleX()) {
// if multiple xs, target point will be determined by mouse
mouse = [$$.x(args.data.x), $$.getYScale(args.data.id)(args.data.value)];
index = null;
} else {
// TODO: when tooltip_grouped = false
index = isValue(args.data.index) ? args.data.index : $$.getIndexByX(args.data.x);
}
}
else if (typeof args.x !== 'undefined') {
index = $$.getIndexByX(args.x);
}
else if (typeof args.index !== 'undefined') {
index = args.index;
}

// emulate mouse events to show
$$.dispatchEvent('mouseover', index, mouse);
$$.dispatchEvent('mousemove', index, mouse);

$$.config.tooltip_onshow.call($$, args.data);
};
c3_chart_fn.tooltip.hide = function () {
// TODO: get target data by checking the state of focus
this.internal.dispatchEvent('mouseout', 0);

this.internal.config.tooltip_onhide.call(this);
};

// Features:
// 1. category axis
// 2. ceil values of translate/x/y to int for half pixel antialiasing
// 3. multiline tick text
var tickTextCharSize;
function c3_axis(d3, params, $$) {
var scale = d3.scale.linear(), orient = "bottom", innerTickSize = $$.config.innerTickSize*$$.config.completeScale, outerTickSize, tickPadding = 3*$$.config.completeScale, tickValues = null, tickFormat, tickArguments;

var tickOffset = 0, tickCulling = true, tickCentered;

params = params || {};
params.$$ = $$;
outerTickSize = params.withOuterTick ? 3*$$.config.completeScale : 0;

function axisX(selection, x) {
selection.attr("transform", function (d) {
return "translate(" + Math.ceil(x(d) + tickOffset) + ", 0)";
});
}
function axisY(selection, y) {
selection.attr("transform", function (d) {
return "translate(0," + Math.ceil(y(d)) + ")";
});
}
function scaleExtent(domain) {
var start = domain[0], stop = domain[domain.length - 1];
return start < stop ? [ start, stop ] : [ stop, start ];
}
function generateTicks(scale) {
var i, domain, ticks = [];
if (scale.ticks) {
return scale.ticks.apply(scale, tickArguments);
}
domain = scale.domain();
for (i = Math.ceil(domain[0]); i < domain[1]; i++) {
ticks.push(i);
}
if (ticks.length > 0 && ticks[0] > 0) {
ticks.unshift(ticks[0] - (ticks[1] - ticks[0]));
}
return ticks;
}
function copyScale() {
var newScale = scale.copy(), domain;
if (params.isCategory) {
domain = scale.domain();
newScale.domain([domain[0], domain[1] - 1]);
}
return newScale;
}
function textFormatted(v) {
var formatted = tickFormat ? tickFormat(v) : v;
return typeof formatted !== 'undefined' ? formatted : '';
}
function getSizeFor1Char(tick) {
if (tickTextCharSize) {
return tickTextCharSize;
}
var size = {
h: 11.5,
w: 5.5
};
tick.select('text').text(textFormatted).each(function (d) {
var box = this.getBoundingClientRect(),
text = '' + textFormatted(d),
h = box.height,
w = text ? (box.width / text.length) : undefined;
if (h && w) {
size.h = h;
size.w = w;
}
}).text('');
tickTextCharSize = size;
return size;
}
function transitionise(selection) {
return params.withoutTransition ? selection : d3.transition(selection);
}
function axis(g) {
g.each(function () {
var g = axis.g = d3.select(this);

var scale0 = this.__chart__ || scale, scale1 = this.__chart__ = copyScale();

var ticks = tickValues ? tickValues : generateTicks(scale1),
tick = g.selectAll(".tick").data(ticks, scale1),
tickEnter = tick.enter().insert("g", ".domain").attr("class", "tick").style("opacity", 1e-6),
// MEMO: No exit transition. The reason is this transition affects max tick width calculation because old tick will be included in the ticks.
tickExit = tick.exit().remove(),
tickUpdate = transitionise(tick).style("opacity", 1),
tickTransform, tickX, tickY;

var range = scale.rangeExtent ? scale.rangeExtent() : scaleExtent(scale.range()),
path = g.selectAll(".domain").data([ 0 ]),
pathUpdate = (path.enter().append("path").attr("class", "domain"), transitionise(path));
tickEnter.append("line");
tickEnter.append("text");

var lineEnter = tickEnter.select("line"),
lineUpdate = tickUpdate.select("line"),
textEnter = tickEnter.select("text"),
textUpdate = tickUpdate.select("text");

if (params.isCategory) {
tickOffset = Math.ceil((scale1(1) - scale1(0)) / 2);
tickX = tickCentered ? 0 : tickOffset;
tickY = tickCentered ? tickOffset : 0;
} else {
tickOffset = tickX = 0;
}

var text, tspan, sizeFor1Char = getSizeFor1Char(g.select('.tick')), counts = [];
var tickLength = Math.max(innerTickSize, 0) + tickPadding,
isVertical = orient === 'left' || orient === 'right';

// this should be called only when category axis
function splitTickText(d, maxWidth) {
var tickText = textFormatted(d),
subtext, spaceIndex, textWidth, splitted = [];

if (Object.prototype.toString.call(tickText) === "[object Array]") {
return tickText;
}

if (!maxWidth || maxWidth <= 0) {
maxWidth = isVertical ? 95 : params.isCategory ? (Math.ceil(scale1(ticks[1]) - scale1(ticks[0])) - 12) : 110;
}

function split(splitted, text) {
spaceIndex = undefined;
for (var i = 1; i < text.length; i++) {
if (text.charAt(i) === ' ') {
spaceIndex = i;
}
subtext = text.substr(0, i + 1);
textWidth = sizeFor1Char.w * subtext.length;
// if text width gets over tick width, split by space index or crrent index
if (maxWidth < textWidth) {
return split(
splitted.concat(text.substr(0, spaceIndex ? spaceIndex : i)),
text.slice(spaceIndex ? spaceIndex + 1 : i)
);
}
}
return splitted.concat(text);
}

return split(splitted, tickText + "");
}

function tspanDy(d, i) {
var dy = sizeFor1Char.h;
if (i === 0) {
if (orient === 'left' || orient === 'right') {
dy = -((counts[d.index] - 1) * (sizeFor1Char.h / 2) - 5.5*params.$$.config.completeScale);
} else {
dy = ".71em";
}
}
return dy;
}

function tickSize(d) {
var tickPosition = scale(d) + (tickCentered ? 0 : tickOffset);
return range[0] < tickPosition && tickPosition < range[1] ? innerTickSize : 0;
}

text = tick.select("text");
tspan = text.selectAll('tspan')
.data(function (d, i) {
var splitted = params.tickMultiline ? splitTickText(d, params.tickWidth) : [].concat(textFormatted(d));
counts[i] = splitted.length;
return splitted.map(function (s) {
return { index: i, splitted: s };
});
});
tspan.enter().append('tspan');
tspan.exit().remove();

if (!isVertical && params.$$.config.noxticks || isVertical && params.$$.config.noyticks) {
//TODO: maybe put this in an option
//innerTickSize = 0;
//outerTickSize = 0;
} else {
tspan.text(function (d) { return d.splitted; });
}

var rotate = params.tickTextRotate;

function textAnchorForText(rotate) {
if (!rotate) {
return 'middle';
}
return rotate > 0 ? "start" : "end";
}
function textTransform(rotate) {
if (!rotate) {
return '';
}
return "rotate(" + rotate + ")";
}
function dxForText(rotate) {
if (!rotate) {
return 0;
}
return tickLength * Math.sin(Math.PI * (rotate / 180));
}
function yForText(rotate) {
if (!rotate) {
return tickLength + params.$$.config.completeScale*0.5;
}
return tickLength - params.$$.config.completeScale*9.5 + params.$$.config.completeScale*10 * Math.cos(Math.PI * (rotate / 180));
}

switch (orient) {
case "bottom":
{
tickTransform = axisX;
lineEnter.attr("y2", innerTickSize);
textEnter.attr("y", tickLength);
lineUpdate.attr("x1", tickX).attr("x2", tickX).attr("y2", tickSize);
textUpdate.attr("x", 0).attr("y", yForText(rotate))
.style("text-anchor", textAnchorForText(rotate))
.attr("transform", textTransform(rotate));
tspan.attr('x', 0).attr("dy", tspanDy).attr('dx', dxForText(rotate));
pathUpdate.attr("d", "M" + range[0] + "," + outerTickSize + "V0H" + range[1] + "V" + outerTickSize);
break;
}
case "top":
{
// TODO: rotated tick text
tickTransform = axisX;
lineEnter.attr("y2", -innerTickSize);
textEnter.attr("y", -tickLength);
lineUpdate.attr("x2", 0).attr("y2", -innerTickSize);
textUpdate.attr("x", 0).attr("y", -tickLength);
text.style("text-anchor", "middle");
tspan.attr('x', 0).attr("dy", "0em");
pathUpdate.attr("d", "M" + range[0] + "," + -outerTickSize + "V0H" + range[1] + "V" + -outerTickSize);
break;
}
case "left":
{
tickTransform = axisY;
lineEnter.attr("x2", -innerTickSize);
textEnter.attr("x", -tickLength);
lineUpdate.attr("x2", -innerTickSize).attr("y1", tickY).attr("y2", tickY);
textUpdate.attr("x", -tickLength).attr("y", tickOffset);
text.style("text-anchor", "end");
tspan.attr('x', -tickLength).attr("dy", tspanDy);
pathUpdate.attr("d", "M" + -outerTickSize + "," + range[0] + "H0V" + range[1] + "H" + -outerTickSize);
break;
}
case "right":
{
tickTransform = axisY;
lineEnter.attr("x2", innerTickSize);
textEnter.attr("x", tickLength);
lineUpdate.attr("x2", innerTickSize).attr("y2", 0);
textUpdate.attr("x", tickLength).attr("y", 0);
text.style("text-anchor", "start");
tspan.attr('x', tickLength).attr("dy", tspanDy);
pathUpdate.attr("d", "M" + outerTickSize + "," + range[0] + "H0V" + range[1] + "H" + outerTickSize);
break;
}
}
if (scale1.rangeBand) {
var x = scale1, dx = x.rangeBand() / 2;
scale0 = scale1 = function (d) {
return x(d) + dx;
};
} else if (scale0.rangeBand) {
scale0 = scale1;
} else {
tickExit.call(tickTransform, scale1);
}
tickEnter.call(tickTransform, scale0);
tickUpdate.call(tickTransform, scale1);
});
}
axis.scale = function (x) {
if (!arguments.length) { return scale; }
scale = x;
return axis;
};
axis.orient = function (x) {
if (!arguments.length) { return orient; }
orient = x in {top: 1, right: 1, bottom: 1, left: 1} ? x + "" : "bottom";
return axis;
};
axis.tickFormat = function (format) {
if (!arguments.length) { return tickFormat; }
tickFormat = format;
return axis;
};
axis.tickCentered = function (isCentered) {
if (!arguments.length) { return tickCentered; }
tickCentered = isCentered;
return axis;
};
axis.tickOffset = function () {
return tickOffset;
};
axis.tickInterval = function () {
var interval, length;
if (params.isCategory) {
interval = tickOffset * 2;
}
else {
length = axis.g.select('path.domain').node().getTotalLength() - outerTickSize * 2;
interval = length / axis.g.selectAll('line').size();
}
return interval === Infinity ? 0 : interval;
};
axis.ticks = function () {
if (!arguments.length) { return tickArguments; }
tickArguments = arguments;
return axis;
};
axis.tickCulling = function (culling) {
if (!arguments.length) { return tickCulling; }
tickCulling = culling;
return axis;
};
axis.tickValues = function (x) {
if (typeof x === 'function') {
tickValues = function () {
return x(scale.domain());
};
}
else {
if (!arguments.length) { return tickValues; }
tickValues = x;
}
return axis;
};
return axis;
}

c3_chart_internal_fn.isSafari = function () {
var ua = window.navigator.userAgent;
return ua.indexOf('Safari') >= 0 && ua.indexOf('Chrome') < 0;
};
c3_chart_internal_fn.isChrome = function () {
var ua = window.navigator.userAgent;
return ua.indexOf('Chrome') >= 0;
};

if (typeof define === 'function' && define.amd) {
define("c3", ["d3"], function () { return c3; });
} else if ('undefined' !== typeof exports && 'undefined' !== typeof module) {
module.exports = c3;
} else {
window.c3 = c3;
}

})(window);