class.ilChartPie.php

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<?php
/* Copyright (c) 1998-2010 ILIAS open source, Extended GPL, see docs/LICENSE */

include_once "Services/Chart/classes/class.ilChart.php";

class ilChartPie extends ilChart
{
        public function getDataInstance($a_type = null)
        {               
                include_once "Services/Chart/classes/class.ilChartDataPie.php";
                return new ilChartDataPie();                                    
        }
        
        protected function isValidDataType(ilChartData $a_series)
        {
                return ($a_series instanceof ilChartDataPie);
        }
        
        protected function addCustomJS()
        {
                global $tpl;
                
                $tpl->addJavascript("Services/Chart/js/flot/jquery.flot.pie.js");
        }               
        
        public function parseGlobalOptions(stdClass $a_options)
        {
                // if no inner labels set, use legend
                if(!isset($a_options->series->pie->label) && 
                        !$this->legend)
                {
                        $legend = new ilChartLegend();
                        $legend->setPosition("nw");
                        $this->setLegend($legend);                      
                }
        }
}