class.ilChartGrid.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 ilChartGrid extends ilChart
{       
        protected $ticks; // [array]
        protected $integer_axis; // [array]     
        
        const DATA_LINES = 1;
        const DATA_BARS = 2;
        const DATA_POINTS = 3;
        
        protected function __construct($a_id)
        {
                parent::__construct($a_id);
                
                $this->setXAxisToInteger(false);
                $this->setYAxisToInteger(false);
        }
        
        public function getDataInstance($a_type = null)
        {
                switch($a_type)
                {                               
                        case self::DATA_BARS:
                                include_once "Services/Chart/classes/class.ilChartDataBars.php";
                                return new ilChartDataBars();
                                
                        case self::DATA_POINTS:
                                include_once "Services/Chart/classes/class.ilChartDataPoints.php";
                                return new ilChartDataPoints();
                        
                        default:
                        case self::DATA_LINES:
                                include_once "Services/Chart/classes/class.ilChartDataLines.php";
                                return new ilChartDataLines();                  
                }                                               
        }
        
        protected function isValidDataType(ilChartData $a_series)
        {
                if($a_series instanceof ilChartDataLines
                        || $a_series instanceof ilChartDataBars
                        || $a_series instanceof ilChartDataPoints)
                {
                        return true;
                }
                return false;
        }
                
        public function setTicks($a_x, $a_y, $a_labeled = false)
        {
                $this->ticks = array("x" => $a_x, "y" => $a_y, "labeled" => (bool)$a_labeled);
        }

        public function getTicks()
        {
                return $this->ticks;
        }
        
        public function setYAxisToInteger($a_status)
        {
                $this->integer_axis["y"] = (bool)$a_status;
        }
        
        public function setXAxisToInteger($a_status)
        {
                $this->integer_axis["x"] = (bool)$a_status;
        }

        public function parseGlobalOptions(stdClass $a_options)
        {       
                // axis/ticks
                $tmp = array();
                $ticks = $this->getTicks();
                if($ticks)
                {                       
                        $labeled = (bool)$ticks["labeled"];
                        unset($ticks["labeled"]);               
                        foreach($ticks as $axis => $def)
                        {                               
                                if(is_numeric($def) || is_array($def))
                                {
                                        $a_options->{$axis."axis"} = new stdClass();
                                }
                                if(is_numeric($def))
                                {                                       
                                        $a_options->{$axis."axis"}->ticks = $def;
                                }
                                else if(is_array($def))
                                {
                                        $a_options->{$axis."axis"}->ticks = array();
                                        foreach($def as $idx => $value)
                                        {
                                                if($labeled)
                                                {
                                                        $a_options->{$axis."axis"}->ticks[] = array($idx, $value);
                                                }
                                                else
                                                {
                                                        $a_options->{$axis."axis"}->ticks[] = $value;
                                                }
                                        }
                                }
                        }
                }                       
                
                // optional: remove decimals
            if($this->integer_axis["x"] && !isset($a_options->xaxis))
                {
                        $a_options->{"xaxis"} = new stdClass();
                        $a_options->{"xaxis"}->tickDecimals = 0;
                }
                if($this->integer_axis["y"] && !isset($a_options->yaxis))
                {
                        $a_options->{"yaxis"} = new stdClass();
                        $a_options->{"yaxis"}->tickDecimals = 0;
                }       
        }                       
}
        
?>