This file is part of ILIAS, a powerful learning management system published by ILIAS open source e-Learning e.V. More...

Inheritance diagram for ilChart:

Collaboration diagram for ilChart:

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

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

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

	setLegend (ilChartLegend $a_legend)

	setColors (array $a_values)

	getColors ()

	setShadow (int $a_value)

	getShadow ()

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

	setStacked (bool $a_value)

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

	getHTML ()
	Render. More...

Static Public Member Functions
static	getInstanceByType (int $a_type, string $a_id)

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

static	renderColor (string $a_value, float $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 (string $a_id)

	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
ilGlobalTemplateInterface	$tpl

string	$id = ""

string	$width = ""

string	$height = ""

array	$data = []

ilChartLegend	$legend = null

int	$shadow = 0

array	$colors = []

bool	$auto_resize = false

bool	$stacked = false

Detailed Description

This file is part of ILIAS, a powerful learning management system published by ILIAS open source e-Learning e.V.

ILIAS is licensed with the GPL-3.0, see https://www.gnu.org/licenses/gpl-3.0.en.html You should have received a copy of said license along with the source code, too. If this is not the case or you just want to try ILIAS, you'll find us at: https://www.ilias.de https://github.com/ILIAS-eLearning 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

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

Constructor & Destructor Documentation

◆ __construct()

ilChart::__construct ( string $a_id )

protected

Reimplemented in ilChartGrid.

Definition at line 37 of file class.ilChart.php.

    {
        global $DIC;
 
        $this->tpl = $DIC["tpl"];
        $this->id = $a_id;
        $this->data = array();
 
        $this->setShadow(2);
    }

References $DIC, and setShadow().

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Member Function Documentation

◆ addCustomJS()

ilChart::addCustomJS ( )

protected

Add type-specific JS script.

Reimplemented in ilChartPie, and ilChartSpider.

Definition at line 216 of file class.ilChart.php.

                                    : void
    {
    }

◆ addData()

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

Add data series.

Definition at line 98 of file class.ilChart.php.

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

References $data.

◆ getColors()

ilChart::getColors ( )

Definition at line 126 of file class.ilChart.php.

                               : array
    {
        return $this->colors;
    }

◆ getDataInstance()

ilChart::getDataInstance ( int $a_type = null )

abstract

Get data series instance.

Reimplemented in ilChartGrid, ilChartPie, and ilChartSpider.

◆ getHTML()

ilChart::getHTML ( )

Render.

Definition at line 230 of file class.ilChart.php.

                             : string
    {
        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);
        }
        $series_str = json_encode($json_series);
 
 
        // global options
 
        $json_options = new stdClass();
        $json_options->series = new stdClass();
        $json_options->series->shadowSize = $this->getShadow();
        $json_options->series->lines = new stdClass();
        $json_options->series->lines->show = false;
        $json_options->series->stack = $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);
        }
 
        $options = json_encode($json_options);
 
        $this->tpl->addOnLoadCode('$.plot($("#ilChart' . $this->id . '"), ' . $series_str . ', ' . $options . ');');
 
        $ret = $chart->get();
        return $ret;
    }

◆ getInstanceByType()

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

static

Definition at line 48 of file class.ilChart.php.

     : ilChart {
        switch ($a_type) {
            case self::TYPE_GRID:
                return new ilChartGrid($a_id);
 
            case self::TYPE_PIE:
                return new ilChartPie($a_id);
 
            case self::TYPE_SPIDER:
                return new ilChartSpider($a_id);
        }
        throw new ilException("Unknown chart type.");
    }

References TYPE_GRID, TYPE_PIE, and TYPE_SPIDER.

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

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◆ getShadow()

ilChart::getShadow ( )

Definition at line 170 of file class.ilChart.php.

                               : int
    {
        return $this->shadow;
    }

◆ initJS()

ilChart::initJS ( )

protected

Init JS script files.

Definition at line 192 of file class.ilChart.php.

                               : void
    {
        $tpl = $this->tpl;
 
        iljQueryUtil::initjQuery();
 
        $tpl->addJavaScript("Services/Chart/js/flot/excanvas.min.js");
        $tpl->addJavaScript("Services/Chart/js/flot/jquery.flot.min.js");
 
        if ($this->auto_resize) {
            // #13108
            $tpl->addJavaScript("Services/Chart/js/flot/jquery.flot.resize.min.js");
        }
 
        if ($this->stacked) {
            $tpl->addJavaScript("Services/Chart/js/flot/jquery.flot.stack.min.js");
        }
 
        $this->addCustomJS();
    }

References $tpl, and iljQueryUtil\initjQuery().

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◆ isValid()

ilChart::isValid ( )

protected

Basic validation.

Definition at line 78 of file class.ilChart.php.

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

◆ isValidColor()

static ilChart::isValidColor ( string $a_value )

static

Validate html color code.

Definition at line 134 of file class.ilChart.php.

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

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

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◆ isValidDataType()

ilChart::isValidDataType ( ilChartData $a_series )

abstractprotected

Validate data series.

Reimplemented in ilChartGrid, ilChartPie, and ilChartSpider.

◆ parseGlobalOptions()

ilChart::parseGlobalOptions ( stdClass $a_options )

Convert (global) properties to flot config.

Reimplemented in ilChartGrid, ilChartPie, and ilChartSpider.

Definition at line 223 of file class.ilChart.php.

                                                           : void
    {
    }

◆ renderColor()

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

static

Render html color code.

Definition at line 147 of file class.ilChart.php.

     : string {
        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 . ")";
            }
        }
        return "";
    }

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

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◆ setAutoResize()

ilChart::setAutoResize ( bool $a_value )

Toggle auto-resizing on window resize/redraw.

Definition at line 178 of file class.ilChart.php.

     : void {
        $this->auto_resize = $a_value;
    }

◆ setColors()

ilChart::setColors ( array $a_values )

Definition at line 117 of file class.ilChart.php.

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

◆ setLegend()

ilChart::setLegend ( ilChartLegend $a_legend )

Definition at line 112 of file class.ilChart.php.

                                                      : void
    {
        $this->legend = $a_legend;
    }

Referenced by ilChartPie\parseGlobalOptions().

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◆ setShadow()

ilChart::setShadow ( int $a_value )

Definition at line 165 of file class.ilChart.php.

                                           : void
    {
        $this->shadow = $a_value;
    }

Referenced by __construct().

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◆ setSize()

ilChart::setSize	(	string	$a_x,
		string	$a_y
	)

Set chart size.

Definition at line 89 of file class.ilChart.php.

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

◆ setStacked()

ilChart::setStacked ( bool $a_value )

Definition at line 184 of file class.ilChart.php.

                                             : void
    {
        $this->stacked = $a_value;
    }

Field Documentation

◆ $auto_resize

bool ilChart::$auto_resize = false

protected

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

◆ $colors

array ilChart::$colors = []

protected

Definition at line 33 of file class.ilChart.php.

◆ $data

array ilChart::$data = []

protected

Definition at line 30 of file class.ilChart.php.

◆ $height

string ilChart::$height = ""

protected

Definition at line 29 of file class.ilChart.php.

◆ $id

string ilChart::$id = ""

protected

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

◆ $legend

ilChartLegend ilChart::$legend = null

protected

Definition at line 31 of file class.ilChart.php.

Referenced by ilChartPie\parseGlobalOptions().

◆ $shadow

int ilChart::$shadow = 0

protected

Definition at line 32 of file class.ilChart.php.

◆ $stacked

bool ilChart::$stacked = false

protected

Definition at line 35 of file class.ilChart.php.

◆ $tpl

ilGlobalTemplateInterface ilChart::$tpl

protected

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

Referenced by ilChartPie\addCustomJS(), and ilChartSpider\addCustomJS().

◆ $width

string ilChart::$width = ""

protected

Definition at line 28 of file class.ilChart.php.

◆ TYPE_GRID

const ilChart::TYPE_GRID = 1

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

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

◆ TYPE_PIE

const ilChart::TYPE_PIE = 2

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

Referenced by ilPollBlockGUI\fillRow(), and getInstanceByType().

◆ TYPE_SPIDER

const ilChart::TYPE_SPIDER = 3

Definition at line 24 of file class.ilChart.php.

Referenced by getInstanceByType().

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

◆ $tpl

◆ $width

◆ TYPE_GRID

◆ TYPE_PIE

◆ TYPE_SPIDER