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<?php
/**
* @package Joomla.Libraries
* @subpackage Form
*
* @copyright Copyright (C) 2005 - 2015 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE
*/
defined('JPATH_PLATFORM') or die;
JFormHelper::loadFieldClass('list');
/**
* Field to load a list of posible item count limits
*
* @since 3.2
*/
class JFormFieldLimitbox extends JFormFieldList
{
/**
* The form field type.
*
* @var string
* @since 3.2
*/
public $type = 'Limitbox';
/**
* Cached array of the category items.
*
* @var array
* @since 3.2
*/
protected static $options = array();
/**
* Default options
*
* @var array
*/
protected $defaultLimits = array(5, 10, 15, 20, 25, 30, 50, 100);
/**
* Method to get the options to populate to populate list
*
* @return array The field option objects.
*
* @since 3.2
*/
protected function getOptions()
{
// Accepted modifiers
$hash = md5($this->element);
if (!isset(static::$options[$hash]))
{
static::$options[$hash] = parent::getOptions();
$options = array();
$limits = $this->defaultLimits;
// Limits manually specified
if (isset($this->element['limits']))
{
$limits = explode(',', $this->element['limits']);
}
// User wants to add custom limits
if (isset($this->element['append']))
{
$limits = array_unique(array_merge($limits, explode(',', $this->element['append'])));
}
// User wants to remove some default limits
if (isset($this->element['remove']))
{
$limits = array_diff($limits, explode(',', $this->element['remove']));
}
// Order the options
asort($limits);
// Add an option to show all?
$showAll = isset($this->element['showall']) ? ($this->element['showall'] == "true") : true;
if ($showAll)
{
$limits[] = 0;
}
if (!empty($limits))
{
foreach ($limits as $value)
{
$options[] = (object) array(
'value' => $value,
'text' => ($value != 0) ? JText::_('J' . $value) : JText::_('JALL')
);
}
static::$options[$hash] = array_merge(static::$options[$hash], $options);
}
}
return static::$options[$hash];
}
}