BarBase.rb
140 lines
| 2.8 KiB
| text/x-ruby
|
RubyLexer
Jean-Philippe Lang
|
r377 | 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 | ||||
| return @data.collect{|x| x[:data].max}.max | ||||
| end | ||||
| def min_value | ||||
| min = 0 | ||||
| if (min_scale_value.nil? == false) then | ||||
| min = min_scale_value | ||||
| else | ||||
| min = @data.collect{|x| x[:data].min}.min | ||||
| 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 | ||||