Abstract Chart generator base class. More...

Inheritance diagram for ilChart:

Collaboration diagram for ilChart:

Public Member Functions
	getDataInstance ($a_type=null)
	Get data series instance. More...

	setSize ($a_x, $a_y)
	Set chart size. More...

	addData (ilChartData $a_series, $a_idx=null)
	Add data series. More...

	setLegend (ilChartLegend $a_legend)
	Set chart legend. More...

	setColors ($a_values)
	Set colors. More...

	getColors ()
	Get colors. More...

	setShadow ($a_value)
	Set shadow. More...

	getShadow ()
	Get shadow. More...

	setAutoResize ($a_value)
	Toggle auto-resizing on window resize/redraw. More...

	setStacked ($a_value)
	Toggle stacking. More...

	parseGlobalOptions (stdClass $a_options)
	Convert (global) properties to flot config. More...

	getHTML ()
	Render. More...

Static Public Member Functions
static	getInstanceByType ($a_type, $a_id)
	Get type instance. More...

static	isValidColor ($a_value)
	Validate html color code. More...

static	renderColor ($a_value, $a_opacity=1)
	Render html color code. More...

Data Fields
const	TYPE_GRID = 1

const	TYPE_PIE = 2

const	TYPE_SPIDER = 3

Protected Member Functions
	__construct ($a_id)
	Constructor. More...

	isValidDataType (ilChartData $a_series)
	Validate data series. More...

	isValid ()
	Basic validation. More...

	initJS ()
	Init JS script files. More...

	addCustomJS ()
	Add type-specific JS script. More...

Protected Attributes
	$id

	$width

	$height

	$data

	$legend

	$shadow

	$colors

	$auto_resize

	$stacked

Detailed Description

Abstract Chart generator base class.

Author: Jörg Lützenkirchen luetz.nosp@m.enki.nosp@m.rchen.nosp@m.@lei.nosp@m.fos.c.nosp@m.om

Version: $Id$

Definition at line 13 of file class.ilChart.php.

Constructor & Destructor Documentation

◆ __construct()

ilChart::__construct ( $a_id )

protected

Constructor.

Parameters

string $a_id

Definition at line 34 of file class.ilChart.php.

References array, data, and setShadow().

         {
                 $this->id = $a_id;
                 $this->data = array();
                                 
                 $this->setShadow(2);
         }

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Member Function Documentation

◆ addCustomJS()

ilChart::addCustomJS ( )

protected

Add type-specific JS script.

Definition at line 277 of file class.ilChart.php.

Referenced by initJS().

         {
                 
         }

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◆ addData()

ilChart::addData	(	ilChartData	$a_series,
			$a_idx = `null`
	)

Add data series.

Parameters

ilChartData	$a_series
mixed	$a_id

Returns: mixed index

Definition at line 114 of file class.ilChart.php.

References $data, data, and isValidDataType().

         {
                 if($this->isValidDataType($a_series))
                 {
                         if($a_idx === null)
                         {
                                 $a_idx = sizeof($this->data);
                         }
                         $this->data[$a_idx] = $a_series;
                         return $a_idx;
                 }
         }

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◆ getColors()

ilChart::getColors ( )

Get colors.

Returns: array

Definition at line 158 of file class.ilChart.php.

References $colors.

Referenced by getHTML().

         {
                 return $this->colors;
         }

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◆ getDataInstance()

ilChart::getDataInstance ( $a_type = null )

abstract

Get data series instance.

Returns: ilChartData

Referenced by getInstanceByType().

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◆ getHTML()

ilChart::getHTML ( )

Render.

Definition at line 295 of file class.ilChart.php.

References $chart, $colors, $ret, $series, array, data, getColors(), getShadow(), initJS(), isValid(), and parseGlobalOptions().

         {               
                 if(!$this->isValid())
                 {
                         return;
                 }
                 
                 $this->initJS();                        
         
                 $chart = new ilTemplate("tpl.grid.html", true, true, "Services/Chart");
                 $chart->setVariable("ID", $this->id);
                 
                 if($this->width)
                 {
                         if(is_numeric($this->width))
                         {
                                 $chart->setVariable("WIDTH", "width:".$this->width."px;");
                         }
                         else
                         {
                                 $chart->setVariable("WIDTH", "width:".$this->width.";");
                         }
                 }
                 if($this->height)
                 {
                         if(is_numeric($this->height))
                         {
                                 $chart->setVariable("HEIGHT", "height:".$this->height."px;");
                         }
                         else
                         {
                                 $chart->setVariable("HEIGHT", "height:".$this->height.";");
                         }
                 }
                 
                 
                 // (series) data
                 
                 $json_series = array();         
                 foreach($this->data as $series)
                 {
                         $series->parseData($json_series);                                       
                 }
                 $chart->setVariable("SERIES", json_encode($json_series));
                 
                 
                 // global options
                 
                 $json_options = new stdClass();         
                 $json_options->series = new stdClass();
                 $json_options->series->shadowSize = (int)$this->getShadow();
                 $json_options->series->lines = new stdClass();
                 $json_options->series->lines->show = false;             
                 $json_options->series->stack = (bool)$this->stacked;
                 
                 foreach($this->data as $series)
                 {
                         $series->parseGlobalOptions($json_options, $this);              
                 }               
                 
                 $this->parseGlobalOptions($json_options);
                 
                 $colors = $this->getColors();
                 if($colors)
                 {
                         $json_options->colors = array();                        
                         foreach($colors as $color)
                         {
                                 $json_options->colors[] = self::renderColor($color);
                         }
                 }               
 
                 // legend
                 $json_options->legend = new stdClass();
                 if(!$this->legend)
                 {
                         $json_options->legend->show = false;
                 }
                 else
                 {
                         $this->legend->parseOptions($json_options->legend);                     
                 }
         
                 $chart->setVariable("OPTIONS", json_encode($json_options));
                 
                 $ret = $chart->get();
                 return $ret;
         }

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◆ getInstanceByType()

static ilChart::getInstanceByType	(	$a_type,
		$a_id
	)

static

Get type instance.

Parameters

int	$a_type
string	$a_id

Returns: ilChart

Definition at line 49 of file class.ilChart.php.

References $a_type, getDataInstance(), and isValidDataType().

Referenced by ilPollBlockGUI\fillRow(), SurveyMetricQuestionEvaluation\getChart(), SurveyMatrixQuestionEvaluation\getChart(), SurveyQuestionEvaluation\getChart(), ilSessionStatisticsGUI\getChart(), ilPersonalSkillsGUI\getGapAnalysisHTML(), ilLPObjectStatisticsTypesTableGUI\getGraph(), ilLPObjectStatisticsDailyTableGUI\getGraph(), ilLPObjectStatisticsTableGUI\getGraph(), ilLPObjectStatisticsLPTableGUI\getGraph(), and ilWikiStatGUI\renderGraph().

         {               
                 switch($a_type)
                 {
                         case self::TYPE_GRID:
                                 include_once "Services/Chart/classes/class.ilChartGrid.php";
                                 return new ilChartGrid($a_id);
                                 
                         case self::TYPE_PIE:
                                 include_once "Services/Chart/classes/class.ilChartPie.php";
                                 return new ilChartPie($a_id);
                                 
                         case self::TYPE_SPIDER:
                                 include_once "Services/Chart/classes/class.ilChartSpider.php";
                                 return new ilChartSpider($a_id);
                 }                               
         }

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◆ getShadow()

ilChart::getShadow ( )

Get shadow.

Returns: int

Definition at line 222 of file class.ilChart.php.

References $shadow.

Referenced by getHTML().

         {
                 return $this->shadow;
         }

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◆ initJS()

ilChart::initJS ( )

protected

Init JS script files.

Definition at line 250 of file class.ilChart.php.

References $tpl, addCustomJS(), and iljQueryUtil\initjQuery().

Referenced by getHTML().

         {
                 global $tpl;
                 
                 include_once "Services/jQuery/classes/class.iljQueryUtil.php";
                 iljQueryUtil::initjQuery();
                 
                 $tpl->addJavascript("Services/Chart/js/flot/excanvas.min.js");
                 $tpl->addJavascript("Services/Chart/js/flot/jquery.flot.min.js");
                 
                 if((bool)$this->auto_resize)
                 {
                         // #13108
                         $tpl->addJavascript("Services/Chart/js/flot/jquery.flot.resize.min.js");
                 }
                 
                 if((bool)$this->stacked)
                 {
                         $tpl->addJavascript("Services/Chart/js/flot/jquery.flot.stack.min.js");
                 }
                 
                 $this->addCustomJS();
         }

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◆ isValid()

ilChart::isValid ( )

protected

Basic validation.

Returns: bool

Definition at line 86 of file class.ilChart.php.

References data.

Referenced by getHTML().

         {
                 if(sizeof($this->data))
                 {
                         return true;
                 }
                 return false;
         }

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◆ isValidColor()

static ilChart::isValidColor ( $a_value )

static

Validate html color code.

Parameters

string $a_value

Returns: bool

Definition at line 169 of file class.ilChart.php.

Referenced by ilChartLegend\setBackground(), ilChartData\setFill(), and ilChartLegend\setLabelBorder().

         {
             if(preg_match("/^#[0-9a-f]{3}$/i", $a_value, $match))
                 {
                         return true;
                 }
                 else if(preg_match("/^#[0-9a-f]{6}$/i", $a_value, $match))
                 {
                         return true;
                 }               
         }

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◆ isValidDataType()

ilChart::isValidDataType ( ilChartData $a_series )

abstractprotected

Validate data series.

Returns: bool

Referenced by addData(), and getInstanceByType().

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◆ parseGlobalOptions()

ilChart::parseGlobalOptions ( stdClass $a_options )

Convert (global) properties to flot config.

Parameters

object $a_options

Definition at line 287 of file class.ilChart.php.

Referenced by getHTML().

         {
                                 
         }

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◆ renderColor()

static ilChart::renderColor	(	$a_value,
		$a_opacity = `1`
	)

static

Render html color code.

Parameters

string	$a_value
float	$a_opacity

Returns: string

Definition at line 188 of file class.ilChart.php.

Referenced by ilChartDataSpider\parseData(), ilChartData\parseData(), ilChartDataSpider\parseGlobalOptions(), ilChartSpider\parseGlobalOptions(), ilChartDataPie\parseGlobalOptions(), and ilChartLegend\parseOptions().

         {
                 if(self::isValidColor($a_value))
                 {
                         if(strlen($a_value) == 4)
                         {
                                 return "rgba(".hexdec($a_value[1].$a_value[1]).", ".
                                         hexdec($a_value[2].$a_value[2]).", ".
                                         hexdec($a_value[3].$a_value[3]).", ".$a_opacity.")";
                         }
                         else
                         {
                                 return "rgba(".hexdec($a_value[1].$a_value[2]).", ".
                                         hexdec($a_value[3].$a_value[4]).", ".
                                         hexdec($a_value[5].$a_value[6]).", ".$a_opacity.")";
                         }
                 }
         }

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◆ setAutoResize()

ilChart::setAutoResize ( $a_value )

Toggle auto-resizing on window resize/redraw.

Parameters

bool $a_value

Definition at line 232 of file class.ilChart.php.

         {
                 $this->auto_resize = (bool)$a_value;
         }

◆ setColors()

ilChart::setColors ( $a_values )

Set colors.

Parameters

array $a_values

Definition at line 142 of file class.ilChart.php.

         {
                 foreach($a_values as $color)
                 {
                         if(self::isValidColor($color))
                         {
                                 $this->colors[] = $color;
                         }
                 }
         }

◆ setLegend()

ilChart::setLegend ( ilChartLegend $a_legend )

Set chart legend.

Parameters

ilChartLegend $a_legend

Definition at line 132 of file class.ilChart.php.

Referenced by ilChartPie\parseGlobalOptions().

         {
                 $this->legend = $a_legend;
         }

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◆ setShadow()

ilChart::setShadow ( $a_value )

Set shadow.

Parameters

int $a_value

Definition at line 212 of file class.ilChart.php.

Referenced by __construct().

         {
                 $this->shadow = (int)$a_value;
         }               

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◆ setSize()

ilChart::setSize	(	$a_x,
		$a_y
	)

Set chart size.

Parameters

int	$a_x
int	$a_y

Definition at line 101 of file class.ilChart.php.

         {
                 $this->width = $a_x;
                 $this->height = $a_y;
         }

◆ setStacked()

ilChart::setStacked ( $a_value )

Toggle stacking.

Parameters

bool $a_value

Definition at line 242 of file class.ilChart.php.

         {
                 $this->stacked = (bool)$a_value;
         }

Field Documentation

◆ $auto_resize

ilChart::$auto_resize

protected

Definition at line 22 of file class.ilChart.php.

◆ $colors

ilChart::$colors

protected

Definition at line 21 of file class.ilChart.php.

Referenced by getColors(), and getHTML().

◆ $data

ilChart::$data

protected

Definition at line 18 of file class.ilChart.php.

Referenced by addData().

◆ $height

ilChart::$height

protected

Definition at line 17 of file class.ilChart.php.

◆ $id

ilChart::$id

protected

Definition at line 15 of file class.ilChart.php.

◆ $legend

ilChart::$legend

protected

Definition at line 19 of file class.ilChart.php.

Referenced by ilChartPie\parseGlobalOptions().

◆ $shadow

ilChart::$shadow

protected

Definition at line 20 of file class.ilChart.php.

Referenced by getShadow().

◆ $stacked

ilChart::$stacked

protected

Definition at line 23 of file class.ilChart.php.

◆ $width

ilChart::$width

protected

Definition at line 16 of file class.ilChart.php.

◆ TYPE_GRID

const ilChart::TYPE_GRID = 1

Definition at line 25 of file class.ilChart.php.

Referenced by SurveyMetricQuestionEvaluation\getChart(), SurveyMatrixQuestionEvaluation\getChart(), SurveyQuestionEvaluation\getChart(), ilSessionStatisticsGUI\getChart(), ilLPObjectStatisticsTypesTableGUI\getGraph(), ilLPObjectStatisticsDailyTableGUI\getGraph(), ilLPObjectStatisticsTableGUI\getGraph(), ilLPObjectStatisticsLPTableGUI\getGraph(), and ilWikiStatGUI\renderGraph().

◆ TYPE_PIE

const ilChart::TYPE_PIE = 2

Definition at line 26 of file class.ilChart.php.

◆ TYPE_SPIDER

const ilChart::TYPE_SPIDER = 3

Definition at line 27 of file class.ilChart.php.

Referenced by ilPersonalSkillsGUI\getGapAnalysisHTML().

The documentation for this class was generated from the following file:

Services/Chart/classes/class.ilChart.php

Public Member Functions

Static Public Member Functions

Data Fields

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ __construct()

Member Function Documentation

◆ addCustomJS()

◆ addData()

◆ getColors()

◆ getDataInstance()

◆ getHTML()

◆ getInstanceByType()

◆ getShadow()

◆ initJS()

◆ isValid()

◆ isValidColor()

◆ isValidDataType()

◆ parseGlobalOptions()

◆ renderColor()

◆ setAutoResize()

◆ setColors()

◆ setLegend()

◆ setShadow()

◆ setSize()

◆ setStacked()

Field Documentation

◆ $auto_resize

◆ $colors

◆ $data

◆ $height

◆ $id

◆ $legend

◆ $shadow

◆ $stacked

◆ $width

◆ TYPE_GRID

◆ TYPE_PIE

◆ TYPE_SPIDER