joomla_test/libraries/joomla/form/rule/rules.php
2020-01-02 22:20:31 +07:00

115 lines
3.4 KiB
PHP

<?php
/**
* @package Joomla.Platform
* @subpackage Form
*
* @copyright Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE
*/
defined('JPATH_PLATFORM') or die;
/**
* Form Rule class for the Joomla Platform.
*
* @package Joomla.Platform
* @subpackage Form
* @since 11.1
*/
class JFormRuleRules extends JFormRule
{
/**
* Method to test the value.
*
* @param SimpleXMLElement $element The SimpleXMLElement object representing the <field /> tag for the form field object.
* @param mixed $value The form field value to validate.
* @param string $group The field name group control value. This acts as as an array container for the field.
* For example if the field has name="foo" and the group value is set to "bar" then the
* full field name would end up being "bar[foo]".
* @param JRegistry $input An optional JRegistry object with the entire data set to validate against the entire form.
* @param JForm $form The form object for which the field is being tested.
*
* @return boolean True if the value is valid, false otherwise.
*
* @since 11.1
*/
public function test(SimpleXMLElement $element, $value, $group = null, JRegistry $input = null, JForm $form = null)
{
// Get the possible field actions and the ones posted to validate them.
$fieldActions = self::getFieldActions($element);
$valueActions = self::getValueActions($value);
// Make sure that all posted actions are in the list of possible actions for the field.
foreach ($valueActions as $action)
{
if (!in_array($action, $fieldActions))
{
return false;
}
}
return true;
}
/**
* Method to get the list of permission action names from the form field value.
*
* @param mixed $value The form field value to validate.
*
* @return array A list of permission action names from the form field value.
*
* @since 11.1
*/
protected function getValueActions($value)
{
$actions = array();
// Iterate over the asset actions and add to the actions.
foreach ((array) $value as $name => $rules)
{
$actions[] = $name;
}
return $actions;
}
/**
* Method to get the list of possible permission action names for the form field.
*
* @param SimpleXMLElement $element The SimpleXMLElement object representing the <field /> tag for the
* form field object.
*
* @return array A list of permission action names from the form field element definition.
*
* @since 11.1
*/
protected function getFieldActions(SimpleXMLElement $element)
{
$actions = array();
// Initialise some field attributes.
$section = $element['section'] ? (string) $element['section'] : '';
$component = $element['component'] ? (string) $element['component'] : '';
// Get the asset actions for the element.
$elActions = JAccess::getActions($component, $section);
// Iterate over the asset actions and add to the actions.
foreach ($elActions as $item)
{
$actions[] = $item->name;
}
// Iterate over the children and add to the actions.
foreach ($element->children() as $el)
{
if ($el->getName() == 'action')
{
$actions[] = (string) $el['name'];
}
}
return $actions;
}
}