150 lines
3.6 KiB
PHP
150 lines
3.6 KiB
PHP
<?php
|
|
// {{{ICINGA_LICENSE_HEADER}}}
|
|
/**
|
|
* This file is part of Icinga Web 2.
|
|
*
|
|
* Icinga Web 2 - Head for multiple monitoring backends.
|
|
* Copyright (C) 2013 Icinga Development Team
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*
|
|
* @copyright 2013 Icinga Development Team <info@icinga.org>
|
|
* @license http://www.gnu.org/licenses/gpl-2.0.txt GPL, version 2
|
|
* @author Icinga Development Team <info@icinga.org>
|
|
*
|
|
*/
|
|
// {{{ICINGA_LICENSE_HEADER}}}
|
|
|
|
namespace Icinga\Util;
|
|
|
|
class Dimension
|
|
{
|
|
/**
|
|
* Defines this dimension as nr of pixels
|
|
*/
|
|
const UNIT_PX = "px";
|
|
|
|
/**
|
|
* Defines this dimension as width of 'M' in current font
|
|
*/
|
|
const UNIT_EM = "em";
|
|
|
|
/**
|
|
* Defines this dimension as a percentage value
|
|
*/
|
|
const UNIT_PERCENT = "%";
|
|
|
|
/**
|
|
* Defines this dimension in points
|
|
*/
|
|
const UNIT_PT = "pt";
|
|
|
|
/**
|
|
* The current set value for this dimension
|
|
*
|
|
* @var int
|
|
*/
|
|
private $value = 0;
|
|
|
|
/**
|
|
* The unit to interpret the value with
|
|
*
|
|
* @var string
|
|
*/
|
|
private $unit = self::UNIT_PX;
|
|
|
|
/**
|
|
* Create a new Dimension object with the given size and unit
|
|
*
|
|
* @param int $value The new value
|
|
* @param string $unit The unit to use (default: px)
|
|
*/
|
|
public function __construct($value, $unit = self::UNIT_PX)
|
|
{
|
|
$this->setValue($value, $unit);
|
|
}
|
|
|
|
/**
|
|
* Change the value and unit of this dimension
|
|
*
|
|
* @param int $value The new value
|
|
* @param string $unit The unit to use (default: px)
|
|
*/
|
|
public function setValue($value, $unit = self::UNIT_PX)
|
|
{
|
|
$this->value = intval($value);
|
|
$this->unit = $unit;
|
|
}
|
|
|
|
/**
|
|
* Return true when the value is > 0
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function isDefined()
|
|
{
|
|
return $this->value > 0;
|
|
}
|
|
|
|
/**
|
|
* Return the underlying value without unit information
|
|
*
|
|
* @return int
|
|
*/
|
|
public function getValue()
|
|
{
|
|
return $this->value;
|
|
}
|
|
|
|
/**
|
|
* Return the unit used for the value
|
|
*
|
|
* @return string
|
|
*/
|
|
public function getUnit()
|
|
{
|
|
return $this->unit;
|
|
}
|
|
|
|
/**
|
|
* Return this value with it's according unit as a string
|
|
*
|
|
* @return string
|
|
*/
|
|
public function __toString()
|
|
{
|
|
if (!$this->isDefined()) {
|
|
return "";
|
|
}
|
|
return $this->value.$this->unit;
|
|
}
|
|
|
|
/**
|
|
* Create a new Dimension object from a string containing the numeric value and the dimension (e.g. 200px, 20%)
|
|
*
|
|
* @param $string The string to parse
|
|
*
|
|
* @return Dimension
|
|
*/
|
|
public static function fromString($string)
|
|
{
|
|
$matches = array();
|
|
if (!preg_match_all('/^ *([0-9]+)(px|pt|em|\%) */i', $string, $matches)) {
|
|
return new Dimension(0);
|
|
}
|
|
return new Dimension(intval($matches[1][0]), $matches[2][0]);
|
|
}
|
|
}
|