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<?php
/* Icinga Web 2 | (c) 2013 Icinga Development Team | GPLv2+ */
namespace Icinga\Chart\Primitive;
use DOMElement;
use DOMText;
use Icinga\Chart\Render\RenderContext;
use Icinga\Chart\Format;
/**
* Wrapper for the SVG text element
*/
class Text extends Styleable implements Drawable
{
/**
* Align the text to end at the x and y position
*/
const ALIGN_END = 'end';
/**
* Align the text to start at the x and y position
*/
const ALIGN_START = 'start';
/**
* Align the text to be centered at the x and y position
*/
const ALIGN_MIDDLE = 'middle';
/**
* The x position of the Text
*
* @var int
*/
private $x;
/**
* The y position of the Text
*
* @var int
*/
private $y;
/**
* The text content
*
* @var string
*/
private $text;
/**
* The size of the font
*
* @var string
*/
private $fontSize = '1.5em';
/**
* The weight of the font
*
* @var string
*/
private $fontWeight = 'normal';
/**
* The default fill color
*
* @var string
*/
public $fill = '#000';
/**
* The alignment of the text
*
* @var string
*/
private $alignment = self::ALIGN_START;
/**
* Set the font-stretch property of the text
*/
private $fontStretch = 'semi-condensed';
/**
* Construct a new text drawable
*
* @param int $x The x position of the text
* @param int $y The y position of the text
* @param string $text The text this component should contain
* @param string $fontSize The font size of the text
*/
public function __construct($x, $y, $text, $fontSize = '1.5em')
{
$this->x = $x;
$this->y = $y;
$this->text = $text;
$this->fontSize = $fontSize;
}
/**
* Set the font size of the svg text element
*
* @param string $size The font size including a unit
*
* @return $this Fluid interface
*/
public function setFontSize($size)
{
$this->fontSize = $size;
return $this;
}
/**
* Set the text alignment with one of the ALIGN_* constants
*
* @param String $align Value how to align
*
* @return $this Fluid interface
*/
public function setAlignment($align)
{
$this->alignment = $align;
return $this;
}
/**
* Set the weight of the current font
*
* @param string $weight The weight of the string
*
* @return $this Fluid interface
*/
public function setFontWeight($weight)
{
$this->fontWeight = $weight;
return $this;
}
/**
* Create the SVG representation from this Drawable
*
* @param RenderContext $ctx The context to use for rendering
*
* @return DOMElement The SVG Element
*/
public function toSvg(RenderContext $ctx)
{
list($x, $y) = $ctx->toAbsolute($this->x, $this->y);
$text = $ctx->getDocument()->createElement('text');
$text->setAttribute('x', Format::formatSVGNumber($x - 15));
$text->setAttribute(
'style',
$this->getStyle()
. ';font-size:' . $this->fontSize
. '; font-family: Ubuntu, Calibri, Trebuchet MS, Helvetica, Verdana, sans-serif'
. ';font-weight: ' . $this->fontWeight
. ';font-stretch: ' . $this->fontStretch
. '; font-style: normal;'
. 'text-anchor: ' . $this->alignment
);
$text->setAttribute('y', Format::formatSVGNumber($y));
$text->appendChild(new DOMText($this->text));
return $text;
}
}
|
