colorpicker.php
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<?php
/**
* @package Regular Labs Library
* @version 18.2.10140
*
* @author Peter van Westen <info@regularlabs.com>
* @link http://www.regularlabs.com
* @copyright Copyright © 2018 Regular Labs All Rights Reserved
* @license http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL
*/
defined('_JEXEC') or die;
jimport('joomla.form.formfield');
if ( ! is_file(JPATH_LIBRARIES . '/regularlabs/autoload.php'))
{
return;
}
require_once JPATH_LIBRARIES . '/regularlabs/autoload.php';
use RegularLabs\Library\Document as RL_Document;
class JFormFieldRL_ColorPicker extends JFormField
{
public $type = 'ColorPicker';
protected function getInput()
{
if ( ! is_file(JPATH_LIBRARIES . '/regularlabs/autoload.php'))
{
return null;
}
$field = new RLFieldColorPicker;
return $field->getInput($this->name, $this->id, $this->value, $this->element->attributes());
}
}
class RLFieldColorPicker
{
function getInput($name, $id, $value, $params)
{
$this->name = $name;
$this->id = $id;
$this->value = $value;
$this->params = $params;
$action = '';
if ($this->get('inlist', 0) && $this->get('action'))
{
$this->name = $name . $id;
$this->id = $name . $id;
$action = ' onchange="' . $this->get('action') . '"';
}
RL_Document::script('regularlabs/colorpicker.min.js');
RL_Document::stylesheet('regularlabs/colorpicker.min.css');
$class = ' class="' . trim('nncolorpicker chzn-done ' . $this->get('class')) . '"';
$color = strtolower($this->value);
if ( ! $color || in_array($color, ['none', 'transparent']))
{
$color = 'none';
}
else if ($color[0] != '#')
{
$color = '#' . $color;
}
$colors = $this->get('colors');
if (empty($colors))
{
$colors = [
'none',
'#049cdb',
'#46a546',
'#9d261d',
'#ffc40d',
'#f89406',
'#c3325f',
'#7a43b6',
'#ffffff',
'#999999',
'#555555',
'#000000',
];
}
else
{
$colors = explode(',', $colors);
}
$split = (int) $this->get('split');
if ( ! $split)
{
$count = count($colors);
if ($count % 5 == 0)
{
$split = 5;
}
else if ($count % 4 == 0)
{
$split = 4;
}
}
$split = $split ? $split : 3;
$html = [];
$html[] = '<select ' . $action . ' name="' . $this->name . '" id="' . $this->id . '"'
. $class . ' style="visibility:hidden;width:22px;height:1px">';
foreach ($colors as $i => $c)
{
$html[] = '<option' . ($c == $color ? ' selected="selected"' : '') . '>' . $c . '</option>';
if (($i + 1) % $split == 0)
{
$html[] = '<option>-</option>';
}
}
$html[] = '</select>';
return implode('', $html);
}
private function get($val, $default = '')
{
if ( ! isset($this->params[$val]) || (string) $this->params[$val] == '')
{
return $default;
}
return (string) $this->params[$val];
}
}