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Adding alt tag Dynamic labels according to actual presence and order of label a… |
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commit 11f18a2208ec2ba6e7983fba47a671290fbf3ac4 |
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parent dd5ce7bf2dd86866f616621ed9798b5d259b37e3 |
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Author: Jan Bromberger <[email protected]> |
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Date: Tue, 29 Dec 2009 17:08:18 +0800 |
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Adding alt tag |
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Dynamic labels according to actual presence and order of label axes |
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Negative labels |
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Diffstat: |
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M lib/simplabs/reports_as_sparkline/… | 12 +++++++++--- |
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1 file changed, 9 insertions(+), 3 deletions(-) |
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--- |
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diff --git a/lib/simplabs/reports_as_sparkline/sparkline_tag_helper.rb b/lib/si… |
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@@ -17,18 +17,24 @@ module Simplabs #:nodoc: |
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# * <tt>line_color</tt> - The line color of the sparkline (hex code) |
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# * <tt>fill_color</tt> - The color to fill the area below the sparkline… |
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# * <tt>labels</tt> - The axes to render lables for (Array of <tt>:x</tt… |
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+ # * <tt>alt</tt> - The HTML img alt tag |
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# |
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# ==== Example |
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# <tt><%= sparkline_tag(User.registrations_report, :width => 200, :heigh… |
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def sparkline_tag(data, options = {}) |
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- options.reverse_merge!({ :width => 300, :height => 34, :line_color => … |
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+ options.reverse_merge!({ :width => 300, :height => 34, :line_color => … |
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data = data.collect { |d| d[1] } |
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labels = "" |
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unless options[:labels].empty? |
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- labels = "&chxt=#{options[:labels].map(&:to_s).join(',')}&chxr=0,0,#… |
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+ chxr = {} |
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+ options[:labels].each_with_index do |l, i| |
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+ chxr[l] = "#{i}," + ([:x, :t].include?(l) ? "0,#{data.length}" : "… |
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+ end |
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+ labels = "&chxt=#{options[:labels].map(&:to_s).join(',')}&chxr=#{opt… |
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end |
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image_tag( |
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- "http://chart.apis.google.com/chart?cht=ls&chs=#{options[:width]}x#{… |
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+ "http://chart.apis.google.com/chart?cht=ls&chs=#{options[:width]}x#{… |
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+ :alt => options[:alt] |
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) |
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end |
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