fieldslistplugin.php
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<?php
/**
* @package Joomla.Administrator
* @subpackage com_fields
*
* @copyright Copyright (C) 2005 - 2019 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
defined('_JEXEC') or die;
JLoader::import('components.com_fields.libraries.fieldsplugin', JPATH_ADMINISTRATOR);
/**
* Base plugin for all list based plugins
*
* @since 3.7.0
*/
class FieldsListPlugin extends FieldsPlugin
{
/**
* Transforms the field into a DOM XML element and appends it as a child on the given parent.
*
* @param stdClass $field The field.
* @param DOMElement $parent The field node parent.
* @param JForm $form The form.
*
* @return DOMElement
*
* @since 3.7.0
*/
public function onCustomFieldsPrepareDom($field, DOMElement $parent, JForm $form)
{
$fieldNode = parent::onCustomFieldsPrepareDom($field, $parent, $form);
if (!$fieldNode)
{
return $fieldNode;
}
$fieldNode->setAttribute('validate', 'options');
foreach ($this->getOptionsFromField($field) as $value => $name)
{
$option = new DOMElement('option', htmlspecialchars($value, ENT_COMPAT, 'UTF-8'));
$option->textContent = htmlspecialchars(JText::_($name), ENT_COMPAT, 'UTF-8');
$element = $fieldNode->appendChild($option);
$element->setAttribute('value', $value);
}
return $fieldNode;
}
/**
* Returns an array of key values to put in a list from the given field.
*
* @param stdClass $field The field.
*
* @return array
*
* @since 3.7.0
*/
public function getOptionsFromField($field)
{
$data = array();
// Fetch the options from the plugin
$params = clone $this->params;
$params->merge($field->fieldparams);
foreach ($params->get('options', array()) as $option)
{
$op = (object) $option;
$data[$op->value] = $op->name;
}
return $data;
}
}