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<?php
/* Icinga Web 2 | (c) 2013 Icinga Development Team | GPLv2+ */
namespace Icinga\Chart\Render;
use Icinga\Chart\Format;
/**
* Layout class encapsulating size, padding and margin information
*/
class LayoutBox
{
/**
* Padding index for top padding
*/
const PADDING_TOP = 0;
/**
* Padding index for right padding
*/
const PADDING_RIGHT = 1;
/**
* Padding index for bottom padding
*/
const PADDING_BOTTOM = 2;
/**
* Padding index for left padding
*/
const PADDING_LEFT = 3;
/**
* The height of this layout element
*
* @var int
*/
private $height;
/**
* The width of this layout element
*
* @var int
*/
private $width;
/**
* The x position of this layout
*
* @var int
*/
private $x;
/**
* The y position of this layout
*
* @var int
*/
private $y;
/**
* The padding of this layout
*
* @var array
*/
private $padding = array(0, 0, 0, 0);
/**
* Create this layout box
*
* Note that x, y, width and height are relative: x with 0 means leftmost, x with 100 means rightmost
*
* @param int $x The relative x coordinate
* @param int $y The relative y coordinate
* @param int $width The optional, relative width
* @param int $height The optional, relative height
*/
public function __construct($x, $y, $width = null, $height = null)
{
$this->height = $height ? $height : 100;
$this->width = $width ? $width : 100;
$this->x = $x;
$this->y = $y;
}
/**
* Set a padding to all four sides uniformly
*
* @param int $padding The padding to set for all four sides
*/
public function setUniformPadding($padding)
{
$this->padding = array($padding, $padding, $padding, $padding);
}
/**
* Set the padding for this LayoutBox
*
* @param int $top The top side padding
* @param int $right The right side padding
* @param int $bottom The bottom side padding
* @param int $left The left side padding
*/
public function setPadding($top, $right, $bottom, $left)
{
$this->padding = array($top, $right, $bottom, $left);
}
/**
* Return a string containing the SVG transform attribute values for the padding
*
* @param RenderContext $ctx The context to determine the translation coordinates
*
* @return string The transformation string
*/
public function getInnerTransform(RenderContext $ctx)
{
list($translateX, $translateY) = $ctx->toAbsolute(
$this->padding[self::PADDING_LEFT] + $this->getX(),
$this->padding[self::PADDING_TOP] + $this->getY()
);
list($scaleX, $scaleY) = $ctx->paddingToScaleFactor($this->padding);
$scaleX *= $this->getWidth()/100;
$scaleY *= $this->getHeight()/100;
return sprintf(
'translate(%s, %s) scale(%s, %s)',
Format::formatSVGNumber($translateX),
Format::formatSVGNumber($translateY),
Format::formatSVGNumber($scaleX),
Format::formatSVGNumber($scaleY)
);
}
/**
* String representation for this Layout, for debug purposes
*
* @return string A string containing the bounds of this LayoutBox
*/
public function __toString()
{
return sprintf(
'Rectangle: x: %s y: %s, height: %s, width: %s',
$this->x,
$this->y,
$this->height,
$this->width
);
}
/**
* Return a four element array with the padding
*
* @return array The padding of this LayoutBox
*/
public function getPadding()
{
return $this->padding;
}
/**
* Return the height of this LayoutBox
*
* @return int The height of this box
*/
public function getHeight()
{
return $this->height;
}
/**
* Return the width of this LayoutBox
*
* @return int The width of this box
*/
public function getWidth()
{
return $this->width;
}
/**
* Return the x position of this LayoutBox
*
* @return int The x position of this box
*/
public function getX()
{
return $this->x;
}
/**
* Return the y position of this LayoutBox
*
* @return int The y position of this box
*/
public function getY()
{
return $this->y;
}
}
|
