Class: ColumnChartMultiSeriesWithSimpleLegend

Inherits:
Object
  • Object
show all
Defined in:
lib/column_chart_multi_series_with_simple_legend.rb

Constant Summary collapse

@@default_xml_options =

USAGE: Options :animation => true by default ; Sets if chart has animation on load :tooltip => false by default ; Set the tooltip to use on chart element hover :title => false by default ; Set the title to show in the chart :legend => Sets various legend options to set Possible Options :title => Set legend’s title :format => Set legend format :series => Array of Hashes of series that will display the points on the screen :series => [ { :name => “Serie um e dois”,

    :points => [ { :name => "Nome Ponto Um",   :y => 55 },
                 { :name => "Nome Ponto Dois", :y => 66 } 
               ] 
  } 
]

@@default_xml_options = 

  :animation    => true,
  :tooltip      => false, # "{%Name - %YValue"
  :title        => false,
  :legend       => false,
  :series       => [],
  :y_axis       => {
    :format => "%ValuenumDecimals:0"
  }
}

{
  :animation    => true,
  :tooltip      => false, # "{%Name} - {%YValue}"
  :title        => false,
  :legend       => false,
  :series       => [],
  :y_axis       => {
    :format => "{%Value}{numDecimals:0}"
  }
}

Class Method Summary collapse

Class Method Details

.xml(options = {}) ⇒ Object 



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# File 'lib/column_chart_multi_series_with_simple_legend.rb', line 38

def self.xml(options={})
  require 'nokogiri'
  
  p = @@default_xml_options.merge(options)
  
  builder = Nokogiri::XML::Builder.new do |xml|
    xml.anychart {
      xml.settings {
       if p[:animation]
          xml.animation(:enabled => "True")
       else
          xml.animation(:enabled => "False")
       end
      }
      xml.charts {
        xml.chart(:plot_type => "CategorizedVertical") {
          xml.data_plot_settings(:default_series_type => "Bar") {
            xml.bar_series(:point_padding => "0.2", :group_padding => "1") {
              if p[:tooltip]
                xml.tooltip_settings(:enabled => "True") {
                  xml.format p[:tooltip]
                }
              else
                xml.tooltip_settings(:enabled => "False") {}
              end
            }
          }
          
          xml.chart_settings {
            if p[:title]
              xml.title(:enabled => "True") {
                xml.text p[:title]
              }
            end
            if p[:legend]
            xml.legend(:enabled => "True", :position => "Right", :align => "Near") {
              raise ":legend must have a :format option that sets the format that will be displayed for each element" unless p[:legend][:format]
              xml.format p[:legend][:format]
              xml.template {}
              if p[:legend][:title]
                xml.title(:enabled => "True") {
                  xml.text p[:legend][:title]
                }
              else
                xml.title(:enabled => "False") {}
              end
              xml.columns_separator(:enabled => "False") {}
              xml.background {
                xml.inside_margin(:left => "10", :right => "10") {}
              }
            }
            end
            xml.axes {
              xml.y_axis {
                xml.labels {
                  xml.format p[:y_axis][:format]
                }
              }
            }
          }
          
          xml.data {
            series = (p[:series].kind_of?(Array) ? p[:series] : [p[:series]])
            raise "Series incorrectas" if series.empty?
            
            if series.count == 1
              serie = series.first
              xml.series(:name => serie[:name]) {
                serie[:points].each do |point|
                  xml.point(:name => point[:name].to_s, :y => point[:y].to_s)
                end
              }
              else  
              series.each do |serie|
                xml.series(:name => serie[:name]) {
                  # Os varios pontos
                  serie[:points].each do |point|
                    xml.point(:name => point[:name].to_s, :y => point[:y].to_s)
                  end
                }
              end
            end
          }
        }
      }
    }
  end
  builder.to_xml
end