class.ilChartSpider.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 ilChartSpider extends ilChart
{
        protected $leg_labels = array(); // [array]
        protected $y_max = 0; // [float]
        
        public function getDataInstance($a_type = null)
        {               
                include_once "Services/Chart/classes/class.ilChartDataSpider.php";
                return new ilChartDataSpider();                                 
        }
        
        protected function isValidDataType(ilChartData $a_series)
        {
                return ($a_series instanceof ilChartDataSpider);
        }
        
        public function setLegLabels($a_val)
        {
                $this->leg_labels = $a_val;
        }
        
        public function getLegLabels()
        {
                return $this->leg_labels;
        }
        
        
        public function setYAxisMax($a_val)
        {
                $this->y_max = $a_val;
        }
        
        public function getYAxisMax()
        {
                return $this->y_max;
        }
        
        protected function addCustomJS()
        {
                global $tpl;
                
                $tpl->addJavascript("Services/Chart/js/flot/jquery.flot.highlighter.js");
                $tpl->addJavascript("Services/Chart/js/flot/jquery.flot.spider.js");
        }
        
        public function parseGlobalOptions(stdClass $a_options)
        {               
                $a_options->grid = new stdClass();
                $a_options->grid->hoverable = false;
                $a_options->grid->clickable = false;
                $a_options->grid->ticks = $this->getYAxisMax();
                $a_options->grid->tickColor = ilChart::renderColor("#000", "0.1");
                $a_options->grid->mode = "spider";
        }

        /* Optes:

        series: {
                        shadowSize: {SHADOW},
                        lines: { show: false },
                        pie: { show: {IS_PIE} }
                        <!-- BEGIN spider -->
                        ,spider:{
                                active: true
                                ,highlight: {mode: "line"}
                                ,legs: {
                                        data: [{LEG_LABELS}]
                                        ,font: "{FONT_SIZE}px Arial"
                                        ,fillStyle: "rgba(0,0,0,0.7)"
                                        ,legStartAngle: {LEG_START_ANGLE}
                                }
                                ,spiderSize: 0.7
                                ,lineWidth: 1
                                ,pointSize: 0
                                ,connection: { width: 2 }
                                ,legMin: 0.0000001
                                ,legMax: {LEG_MAX}
                        }
                        <!-- END spider -->


                                $chart->setCurrentBlock("spider");
                        $lab_strings = array();
                        $max_str_len = 0;
                        foreach ($this->getLegLabels() as $l)
                        {
                                $l = ilUtil::shortenText ($l, 80, true);
                                $lab_strings[] = "{label: \"".$l."\"}";
                                $max_str_len = max($max_str_len, strlen($l));
                        }
                        $chart->setVariable("LEG_LABELS", implode($lab_strings, ","));
                        $chart->setVariable("LEG_MAX", $this->getYAxisMax());
                        switch (count($this->getLegLabels()))
                        {
                                case 4:
                                case 6:
                                        $chart->setVariable("LEG_START_ANGLE", "10");
                                        break;

                                default:
                                        $chart->setVariable("LEG_START_ANGLE", "0");
                                        break;
                        }
                        if ($max_str_len > 60)
                        {
                                $chart->setVariable("FONT_SIZE", "10");
                        }
                        else if ($max_str_len > 30)
                        {
                                $chart->setVariable("FONT_SIZE", "12");
                        }
                        else
                        {
                                $chart->setVariable("FONT_SIZE", "15");
                        }
                        $chart->parseCurrentBlock();

                        $chart->setCurrentBlock("spider_grid_options");
                        $chart->setVariable("NR_TICKS", $this->getYAxisMax());
                        $chart->parseCurrentBlock();


         */

}

?>