170 lines
3.8 KiB
PHP
170 lines
3.8 KiB
PHP
<?php
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// {{{ICINGA_LICENSE_HEADER}}}
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// {{{ICINGA_LICENSE_HEADER}}}
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namespace Icinga\Chart\Primitive;
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use DOMElement;
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use DOMText;
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use Icinga\Chart\Render\RenderContext;
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use Icinga\Chart\Format;
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/**
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* Wrapper for the SVG text element
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*/
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class Text extends Styleable implements Drawable
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{
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/**
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* Align the text to end at the x and y position
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*/
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const ALIGN_END = 'end';
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/**
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* Align the text to start at the x and y position
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*/
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const ALIGN_START = 'start';
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/**
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* Align the text to be centered at the x and y position
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*/
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const ALIGN_MIDDLE = 'middle';
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/**
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* The x position of the Text
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*
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* @var int
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*/
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private $x;
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/**
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* The y position of the Text
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*
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* @var int
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*/
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private $y;
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/**
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* The text content
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*
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* @var string
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*/
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private $text;
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/**
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* The size of the font
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*
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* @var string
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*/
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private $fontSize = '1.5em';
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/**
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* The weight of the font
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*
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* @var string
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*/
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private $fontWeight = 'normal';
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/**
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* The default fill color
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*
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* @var string
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*/
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public $fill = '#000';
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/**
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* The alignment of the text
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*
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* @var string
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*/
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private $alignment = self::ALIGN_START;
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/**
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* Set the font-stretch property of the text
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*/
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private $fontStretch = 'semi-condensed';
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/**
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* Construct a new text drawable
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*
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* @param int $x The x position of the text
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* @param int $y The y position of the text
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* @param string $text The text this component should contain
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* @param string $fontSize The font size of the text
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*/
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public function __construct($x, $y, $text, $fontSize = '1.5em')
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{
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$this->x = $x;
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$this->y = $y;
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$this->text = $text;
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$this->fontSize = $fontSize;
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}
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/**
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* Set the font size of the svg text element
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*
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* @param string $size The font size including a unit
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*
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* @return self Fluid interface
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*/
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public function setFontSize($size)
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{
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$this->fontSize = $size;
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return $this;
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}
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/**
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* Set the the text alignment with one of the ALIGN_* constants
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*
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* @param String $align Value how to align
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*
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* @return self Fluid interface
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*/
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public function setAlignment($align)
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{
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$this->alignment = $align;
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return $this;
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}
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/**
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* Set the weight of the current font
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*
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* @param string $weight The weight of the string
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*
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* @return self Fluid interface
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*/
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public function setFontWeight($weight)
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{
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$this->fontWeight = $weight;
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return $this;
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}
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/**
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* Create the SVG representation from this Drawable
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*
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* @param RenderContext $ctx The context to use for rendering
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*
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* @return DOMElement The SVG Element
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*/
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public function toSvg(RenderContext $ctx)
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{
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list($x, $y) = $ctx->toAbsolute($this->x, $this->y);
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$text = $ctx->getDocument()->createElement('text');
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$text->setAttribute('x', Format::formatSVGNumber($x - 15));
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$text->setAttribute(
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'style',
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$this->getStyle()
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. ';font-size:' . $this->fontSize
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. '; font-family: Ubuntu, Calibri, Trebuchet MS, Helvetica, Verdana, sans-serif'
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. ';font-weight: ' . $this->fontWeight
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. ';font-stretch: ' . $this->fontStretch
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. '; font-style: normal;'
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. 'text-anchor: ' . $this->alignment
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);
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$text->setAttribute('y', Format::formatSVGNumber($y));
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$text->appendChild(new DOMText($this->text));
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return $text;
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}
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}
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