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<?php
/**
* ColorValue.php
* model class for table color_values
*
* Objects of this class holds a colour's name (its purpose)
* and the value for the colour.
*
* 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.
*
* @author Moritz Strohm <strohm@data-quest.de>
* @copyright 2018-2019
* @since 4.5
* @license http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
* @category Stud.IP
*
* @property string $id alias column for colour_id
* @property string $colour_id database column
* @property I18NString $description database column
* @property string $value database column
* @property int $mkdate database column
* @property int $chdate database column
*/
class ColourValue extends SimpleORMap
{
protected static function configure($config = [])
{
$config['db_table'] = 'colour_values';
$config['i18n_fields']['description'] = true;
parent::configure($config);
}
/**
* $colours is an array with all colour values that is filled
* when a colour is requested.
*/
protected static $colours;
/**
* The find method is overloaded here since the table is usually very
* small and the colour values are requested often. They are stored
* in an array and served from there to save database requests.
*/
public static function find($id)
{
if (!is_array(self::$colours)) {
self::$colours = [];
//Load all colours:
$colours = self::findBySql('TRUE');
foreach ($colours as $colour) {
self::$colours[$colour->id] = $colour;
}
}
return self::$colours[$id];
}
/**
* DEVELOPER WARNING: Do not rename this method to setValue since setValue
* is a SimpleORMap reserved method for setting attribute values
* of a SORM object!
*/
public function setColourValue($r = 0xff, $g = 0xff, $b = 0xff, $a = 0xff)
{
$value = dechex($r) . dechex($g) . dechex($b) . dechex($a);
$this->value = $value;
}
public function __toString()
{
$r = $this->value[0] . $this->value[1];
$g = $this->value[2] . $this->value[3];
$b = $this->value[4] . $this->value[5];
//The color values are output as '#RRGGBB'.
//This way it is compatible with the input type color.
return mb_strtolower('#' . $r . $g . $b);
}
public function toRGBAFunction()
{
$r = $this->value[0] . $this->value[1];
$g = $this->value[2] . $this->value[3];
$b = $this->value[4] . $this->value[5];
$a = $this->value[6] . $this->value[7];
return sprintf(
'rgba(%s %s %s %s)',
hexdec($r),
hexdec($g),
hexdec($b),
hexdec($a)
);
}
}
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