Class: JfreechartGenerator

Inherits:
Object
  • Object
show all
Defined in:
lib/libisi/chart/jfreechart_generator.rb

Overview

Copyright © 2007-2010 Logintas AG Switzerland

This file is part of Libisi.

Libisi is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

Libisi is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with Libisi. If not, see <www.gnu.org/licenses/>.

Instance Method Summary collapse

Constructor Details

#initialize(chart, range_name, options = {}) ⇒ JfreechartGenerator

Returns a new instance of JfreechartGenerator.



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# File 'lib/libisi/chart/jfreechart_generator.rb', line 20

def initialize(chart, range_name, options = {})
  @chart = chart
  @range_name = range_name
  @options = options
end

Instance Method Details

#generateToolTip(dataset, row, column) ⇒ Object 



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# File 'lib/libisi/chart/jfreechart_generator.rb', line 26

def generateToolTip(dataset,row,column)
  row_key = dataset.getRowKey(row).toString
  col_key = dataset.getColumnKey(column).toString
    
  #p ["R", row, row_key,"C",column,col_key]
  "Range: #{@range_name} Row: #{row_key} Col: #{col_key}"
  

  case @options[:tooltip]
  when NilClass
    begin
	data = @chart.ranges[@range_name][row_key][col_key]      
	#p data
	ret = "#{row_key}/#{col_key}"
	ret += " #{data[:start]} - #{data[:end]}" if data[:start]
	ret += " (#{data[:percentage].to_s})" if data[:percentage]
	ret
    rescue
	"#{@range_name}/#{row_key}/#{col_key} (dnf)"
    end
  when Proc
    @options[:tooltip].call(range_name, row_key, col_key)
  when String
    @options[:tooltip]
  else
    raise "Unexpected tooltip class #{options[:tooltip]}"
  end
rescue
  $log.error($!)
  $log.error($!.backtrace.join("\n"))
  nil
end