view lib/SVG/Graph/BarBase.rb @ 1082:997f6d7738f7 bug_531

In repo controller entry action, show the page for the file even if it's binary (so user still has access to history etc links). This makes it possible to use the entry action as the default when a file is clicked on

require 'rexml/document'
require 'SVG/Graph/Graph'

module SVG
  module Graph
		# = Synopsis
		#
		# A superclass for bar-style graphs.  Do not attempt to instantiate
		# directly; use one of the subclasses instead.
		#
    # = Author
    #
    # Sean E. Russell <serATgermaneHYPHENsoftwareDOTcom>
		#
    # Copyright 2004 Sean E. Russell
		# This software is available under the Ruby license[LICENSE.txt]
    #
    class BarBase < SVG::Graph::Graph
			# Ensures that :fields are provided in the configuration.
      def initialize config
        raise "fields was not supplied or is empty" unless config[:fields] &&
        config[:fields].kind_of?(Array) &&
        config[:fields].length > 0
				super
			end

			# In addition to the defaults set in Graph::initialize, sets
			# [bar_gap] true
			# [stack] :overlap
			def set_defaults
        init_with( :bar_gap => true, :stack => :overlap )
      end

      #   Whether to have a gap between the bars or not, default
      #   is true, set to false if you don't want gaps.
      attr_accessor :bar_gap
      #   How to stack data sets.  :overlap overlaps bars with
      #   transparent colors, :top stacks bars on top of one another,
      #   :side stacks the bars side-by-side. Defaults to :overlap.
      attr_accessor :stack


			protected

      def max_value
        @data.collect{|x| x[:data].max}.max
      end

      def min_value
        min = 0
        if min_scale_value.nil? 
          min = @data.collect{|x| x[:data].min}.min
          min = min > 0 ? 0 : min
        else
          min = min_scale_value
        end
        return min
      end

      def get_css
        return <<EOL
/* default fill styles for multiple datasets (probably only use a single dataset on this graph though) */
.key1,.fill1{
	fill: #ff0000;
	fill-opacity: 0.5;
	stroke: none;
	stroke-width: 0.5px;	
}
.key2,.fill2{
	fill: #0000ff;
	fill-opacity: 0.5;
	stroke: none;
	stroke-width: 1px;	
}
.key3,.fill3{
	fill: #00ff00;
	fill-opacity: 0.5;
	stroke: none;
	stroke-width: 1px;	
}
.key4,.fill4{
	fill: #ffcc00;
	fill-opacity: 0.5;
	stroke: none;
	stroke-width: 1px;	
}
.key5,.fill5{
	fill: #00ccff;
	fill-opacity: 0.5;
	stroke: none;
	stroke-width: 1px;	
}
.key6,.fill6{
	fill: #ff00ff;
	fill-opacity: 0.5;
	stroke: none;
	stroke-width: 1px;	
}
.key7,.fill7{
	fill: #00ffff;
	fill-opacity: 0.5;
	stroke: none;
	stroke-width: 1px;	
}
.key8,.fill8{
	fill: #ffff00;
	fill-opacity: 0.5;
	stroke: none;
	stroke-width: 1px;	
}
.key9,.fill9{
	fill: #cc6666;
	fill-opacity: 0.5;
	stroke: none;
	stroke-width: 1px;	
}
.key10,.fill10{
	fill: #663399;
	fill-opacity: 0.5;
	stroke: none;
	stroke-width: 1px;	
}
.key11,.fill11{
	fill: #339900;
	fill-opacity: 0.5;
	stroke: none;
	stroke-width: 1px;	
}
.key12,.fill12{
	fill: #9966FF;
	fill-opacity: 0.5;
	stroke: none;
	stroke-width: 1px;	
}
EOL
      end
    end
  end
end