EE CONSOLE

C: / xampp / htdocs / Ajaji / backup / administrator / components / com_menus / models /
Name	Size	Perms	Actions
📁 fields	30744 B	0777	Permissions Delete
📁 forms	38150 B	0777	Permissions Delete
📄 item.php	43804 B	0666	Edit Perms Delete
📄 items.php	17211 B	0666	Edit Perms Delete
📄 menu.php	8578 B	0666	Edit Perms Delete
📄 menutypes.php	15400 B	0666	Edit Perms Delete
Editing: item.php

<?php
/**
 * @package     Joomla.Administrator
 * @subpackage  com_menus
 *
 * @copyright   (C) 2006 Open Source Matters, Inc. <https://www.joomla.org>
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

defined('_JEXEC') or die;

use Joomla\CMS\Factory;
use Joomla\Registry\Registry;
use Joomla\String\StringHelper;
use Joomla\Utilities\ArrayHelper;

jimport('joomla.filesystem.path');
JLoader::register('MenusHelper', JPATH_ADMINISTRATOR . '/components/com_menus/helpers/menus.php');

/**
 * Menu Item Model for Menus.
 *
 * @since  1.6
 */
class MenusModelItem extends JModelAdmin
{
	/**
	 * The type alias for this content type.
	 *
	 * @var    string
	 * @since  3.4
	 */
	public $typeAlias = 'com_menus.item';

	/**
	 * The context used for the associations table
	 *
	 * @var    string
	 * @since  3.4.4
	 */
	protected $associationsContext = 'com_menus.item';

	/**
	 * @var    string  The prefix to use with controller messages.
	 * @since  1.6
	 */
	protected $text_prefix = 'COM_MENUS_ITEM';

	/**
	 * @var    string  The help screen key for the menu item.
	 * @since  1.6
	 */
	protected $helpKey = 'JHELP_MENUS_MENU_ITEM_MANAGER_EDIT';

	/**
	 * @var    string  The help screen base URL for the menu item.
	 * @since  1.6
	 */
	protected $helpURL;

	/**
	 * @var    boolean  True to use local lookup for the help screen.
	 * @since  1.6
	 */
	protected $helpLocal = false;

	/**
	 * Batch copy/move command. If set to false,
	 * the batch copy/move command is not supported
	 *
	 * @var   string
	 */
	protected $batch_copymove = 'menu_id';

	/**
	 * Allowed batch commands
	 *
	 * @var   array
	 */
	protected $batch_commands = array(
		'assetgroup_id' => 'batchAccess',
		'language_id'   => 'batchLanguage'
	);

	/**
	 * Method to test whether a record can be deleted.
	 *
	 * @param   object  $record  A record object.
	 *
	 * @return  boolean  True if allowed to delete the record. Defaults to the permission set in the component.
	 *
	 * @since   1.6
	 */
	protected function canDelete($record)
	{
		if (empty($record->id) || $record->published != -2)
		{
			return false;
		}

		$menuTypeId = 0;

		if (!empty($record->menutype))
		{
			$menuTypeId = $this->getMenuTypeId($record->menutype);
		}

		return JFactory::getUser()->authorise('core.delete', 'com_menus.menu.' . (int) $menuTypeId);
	}

	/**
	 * Method to test whether the state of a record can be edited.
	 *
	 * @param   object  $record  A record object.
	 *
	 * @return  boolean  True if allowed to change the state of the record. Defaults to the permission for the component.
	 *
	 * @since   3.6
	 */
	protected function canEditState($record)
	{
		$menuTypeId = !empty($record->menutype) ? $this->getMenuTypeId($record->menutype) : 0;
		$assetKey   = $menuTypeId ? 'com_menus.menu.' . (int) $menuTypeId : 'com_menus';

		return JFactory::getUser()->authorise('core.edit.state', $assetKey);
	}

	/**
	 * Batch copy menu items to a new menu or parent.
	 *
	 * @param   integer  $value     The new menu or sub-item.
	 * @param   array    $pks       An array of row IDs.
	 * @param   array    $contexts  An array of item contexts.
	 *
	 * @return  mixed  An array of new IDs on success, boolean false on failure.
	 *
	 * @since   1.6
	 */
	protected function batchCopy($value, $pks, $contexts)
	{
		// $value comes as {menutype}.{parent_id}
		$parts    = explode('.', $value);
		$menuType = $parts[0];
		$parentId = ArrayHelper::getValue($parts, 1, 0, 'int');

		$table  = $this->getTable();
		$db     = $this->getDbo();
		$query  = $db->getQuery(true);
		$newIds = array();

		// Check that the parent exists
		if ($parentId)
		{
			if (!$table->load($parentId))
			{
				if ($error = $table->getError())
				{
					// Fatal error
					$this->setError($error);

					return false;
				}
				else
				{
					// Non-fatal error
					$this->setError(JText::_('JGLOBAL_BATCH_MOVE_PARENT_NOT_FOUND'));
					$parentId = 0;
				}
			}
		}

		// If the parent is 0, set it to the ID of the root item in the tree
		if (empty($parentId))
		{
			if (!$parentId = $table->getRootId())
			{
				$this->setError($db->getErrorMsg());

				return false;
			}
		}

		// Check that user has create permission for menus
		$user = JFactory::getUser();

		$menuTypeId = (int) $this->getMenuTypeId($menuType);

		if (!$user->authorise('core.create', 'com_menus.menu.' . $menuTypeId))
		{
			$this->setError(JText::_('COM_MENUS_BATCH_MENU_ITEM_CANNOT_CREATE'));

			return false;
		}

		// We need to log the parent ID
		$parents = array();

		// Calculate the emergency stop count as a precaution against a runaway loop bug
		$query->select('COUNT(id)')
			->from($db->quoteName('#__menu'));
		$db->setQuery($query);

		try
		{
			$count = $db->loadResult();
		}
		catch (RuntimeException $e)
		{
			$this->setError($e->getMessage());

			return false;
		}

		// Parent exists so we let's proceed
		while (!empty($pks) && $count > 0)
		{
			// Pop the first id off the stack
			$pk = array_shift($pks);

			$table->reset();

			// Check that the row actually exists
			if (!$table->load($pk))
			{
				if ($error = $table->getError())
				{
					// Fatal error
					$this->setError($error);

					return false;
				}
				else
				{
					// Not fatal error
					$this->setError(JText::sprintf('JGLOBAL_BATCH_MOVE_ROW_NOT_FOUND', $pk));
					continue;
				}
			}

			// Copy is a bit tricky, because we also need to copy the children
			$query->clear()
				->select('id')
				->from($db->quoteName('#__menu'))
				->where('lft > ' . (int) $table->lft)
				->where('rgt < ' . (int) $table->rgt);
			$db->setQuery($query);
			$childIds = $db->loadColumn();

			// Add child ID's to the array only if they aren't already there.
			foreach ($childIds as $childId)
			{
				if (!in_array($childId, $pks))
				{
					$pks[] = $childId;
				}
			}

			// Make a copy of the old ID and Parent ID
			$oldId = $table->id;
			$oldParentId = $table->parent_id;

			// Reset the id because we are making a copy.
			$table->id = 0;

			// If we a copying children, the Old ID will turn up in the parents list
			// otherwise it's a new top level item
			$table->parent_id = isset($parents[$oldParentId]) ? $parents[$oldParentId] : $parentId;
			$table->menutype = $menuType;

			// Set the new location in the tree for the node.
			$table->setLocation($table->parent_id, 'last-child');

			// TODO: Deal with ordering?
			// $table->ordering = 1;
			$table->level = null;
			$table->lft   = null;
			$table->rgt   = null;
			$table->home  = 0;

			// Alter the title & alias
			list($title, $alias) = $this->generateNewTitle($table->parent_id, $table->alias, $table->title);
			$table->title = $title;
			$table->alias = $alias;

			// Check the row.
			if (!$table->check())
			{
				$this->setError($table->getError());

				return false;
			}

			// Store the row.
			if (!$table->store())
			{
				$this->setError($table->getError());

				return false;
			}

			// Get the new item ID
			$newId = $table->get('id');

			// Add the new ID to the array
			$newIds[$pk] = $newId;

			// Now we log the old 'parent' to the new 'parent'
			$parents[$oldId] = $table->id;
			$count--;
		}

		// Rebuild the hierarchy.
		if (!$table->rebuild())
		{
			$this->setError($table->getError());

			return false;
		}

		// Rebuild the tree path.
		if (!$table->rebuildPath($table->id))
		{
			$this->setError($table->getError());

			return false;
		}

		// Clean the cache
		$this->cleanCache();

		return $newIds;
	}

	/**
	 * Batch move menu items to a new menu or parent.
	 *
	 * @param   integer  $value     The new menu or sub-item.
	 * @param   array    $pks       An array of row IDs.
	 * @param   array    $contexts  An array of item contexts.
	 *
	 * @return  boolean  True on success.
	 *
	 * @since   1.6
	 */
	protected function batchMove($value, $pks, $contexts)
	{
		// $value comes as {menutype}.{parent_id}
		$parts    = explode('.', $value);
		$menuType = $parts[0];
		$parentId = ArrayHelper::getValue($parts, 1, 0, 'int');

		$table = $this->getTable();
		$db    = $this->getDbo();
		$query = $db->getQuery(true);

		// Check that the parent exists.
		if ($parentId)
		{
			if (!$table->load($parentId))
			{
				if ($error = $table->getError())
				{
					// Fatal error
					$this->setError($error);

					return false;
				}
				else
				{
					// Non-fatal error
					$this->setError(JText::_('JGLOBAL_BATCH_MOVE_PARENT_NOT_FOUND'));
					$parentId = 0;
				}
			}
		}

		// Check that user has create and edit permission for menus
		$user = JFactory::getUser();

		$menuTypeId = (int) $this->getMenuTypeId($menuType);

		if (!$user->authorise('core.create', 'com_menus.menu.' . $menuTypeId))
		{
			$this->setError(JText::_('COM_MENUS_BATCH_MENU_ITEM_CANNOT_CREATE'));

			return false;
		}

		if (!$user->authorise('core.edit', 'com_menus.menu.' . $menuTypeId))
		{
			$this->setError(JText::_('COM_MENUS_BATCH_MENU_ITEM_CANNOT_EDIT'));

			return false;
		}

		// We are going to store all the children and just moved the menutype
		$children = array();

		// Parent exists so we let's proceed
		foreach ($pks as $pk)
		{
			// Check that the row actually exists
			if (!$table->load($pk))
			{
				if ($error = $table->getError())
				{
					// Fatal error
					$this->setError($error);

					return false;
				}
				else
				{
					// Not fatal error
					$this->setError(JText::sprintf('JGLOBAL_BATCH_MOVE_ROW_NOT_FOUND', $pk));
					continue;
				}
			}

			// Set the new location in the tree for the node.
			$table->setLocation($parentId, 'last-child');

			// Set the new Parent Id
			$table->parent_id = $parentId;

			// Check if we are moving to a different menu
			if ($menuType != $table->menutype)
			{
				// Add the child node ids to the children array.
				$query->clear()
					->select($db->quoteName('id'))
					->from($db->quoteName('#__menu'))
					->where($db->quoteName('lft') . ' BETWEEN ' . (int) $table->lft . ' AND ' . (int) $table->rgt);
				$db->setQuery($query);
				$children = array_merge($children, (array) $db->loadColumn());
			}

			// Check the row.
			if (!$table->check())
			{
				$this->setError($table->getError());

				return false;
			}

			// Store the row.
			if (!$table->store())
			{
				$this->setError($table->getError());

				return false;
			}

			// Rebuild the tree path.
			if (!$table->rebuildPath())
			{
				$this->setError($table->getError());

				return false;
			}
		}

		// Process the child rows
		if (!empty($children))
		{
			// Remove any duplicates and sanitize ids.
			$children = array_unique($children);
			$children = ArrayHelper::toInteger($children);

			// Update the menutype field in all nodes where necessary.
			$query->clear()
				->update($db->quoteName('#__menu'))
				->set($db->quoteName('menutype') . ' = ' . $db->quote($menuType))
				->where($db->quoteName('id') . ' IN (' . implode(',', $children) . ')');
			$db->setQuery($query);

			try
			{
				$db->execute();
			}
			catch (RuntimeException $e)
			{
				$this->setError($e->getMessage());

				return false;
			}
		}

		// Clean the cache
		$this->cleanCache();

		return true;
	}

	/**
	 * Method to check if you can save a record.
	 *
	 * @param   array   $data  An array of input data.
	 * @param   string  $key   The name of the key for the primary key.
	 *
	 * @return  boolean
	 *
	 * @since   1.6
	 */
	protected function canSave($data = array(), $key = 'id')
	{
		return JFactory::getUser()->authorise('core.edit', $this->option);
	}

	/**
	 * Method to get the row form.
	 *
	 * @param   array    $data      Data for the form.
	 * @param   boolean  $loadData  True if the form is to load its own data (default case), false if not.
	 *
	 * @return  mixed  A JForm object on success, false on failure
	 *
	 * @since   1.6
	 */
	public function getForm($data = array(), $loadData = true)
	{
		// The folder and element vars are passed when saving the form.
		if (empty($data))
		{
			$item = $this->getItem();

			// The type should already be set.
			$this->setState('item.link', $item->link);
		}
		else
		{
			$this->setState('item.link', ArrayHelper::getValue($data, 'link'));
			$this->setState('item.type', ArrayHelper::getValue($data, 'type'));
		}

		$clientId = $this->getState('item.client_id');

		// Get the form.
		if ($clientId == 1)
		{
			$form = $this->loadForm('com_menus.item.admin', 'itemadmin', array('control' => 'jform', 'load_data' => $loadData), true);
		}
		else
		{
			$form = $this->loadForm('com_menus.item', 'item', array('control' => 'jform', 'load_data' => $loadData), true);
		}

		if (empty($form))
		{
			return false;
		}

		if ($loadData)
		{
			$data = $this->loadFormData();
		}

		// Modify the form based on access controls.
		if (!$this->canEditState((object) $data))
		{
			// Disable fields for display.
			$form->setFieldAttribute('menuordering', 'disabled', 'true');
			$form->setFieldAttribute('published', 'disabled', 'true');

			// Disable fields while saving.
			// The controller has already verified this is an article you can edit.
			$form->setFieldAttribute('menuordering', 'filter', 'unset');
			$form->setFieldAttribute('published', 'filter', 'unset');
		}

		// Filter available menus
		$action = $this->getState('item.id') > 0 ? 'edit' : 'create';

		$form->setFieldAttribute('menutype', 'accesstype', $action);
		$form->setFieldAttribute('type', 'clientid', $clientId);

		return $form;
	}

	/**
	 * Method to get the data that should be injected in the form.
	 *
	 * @return  mixed  The data for the form.
	 *
	 * @since   1.6
	 */
	protected function loadFormData()
	{

		// Check the session for previously entered form data, providing it has an ID and it is the same.
		$itemData = (array) $this->getItem();
		$sessionData = (array) JFactory::getApplication()->getUserState('com_menus.edit.item.data', array());

		// Only merge if there is a session and itemId or itemid is null.
		if (isset($sessionData['id']) && isset($itemData['id']) && $sessionData['id'] === $itemData['id']
			|| is_null($itemData['id']))
		{
			$data = array_merge($itemData, $sessionData);
		}
		else
		{
			$data = $itemData;
		}

		// For a new menu item, pre-select some filters (Status, Language, Access) in edit form if those have been selected in Menu Manager
		if ($this->getItem()->id == 0)
		{
			// Get selected fields
			$filters = JFactory::getApplication()->getUserState('com_menus.items.filter');
			$data['parent_id'] = (isset($filters['parent_id']) ? $filters['parent_id'] : null);
			$data['published'] = (isset($filters['published']) ? $filters['published'] : null);
			$data['language'] = (isset($filters['language']) ? $filters['language'] : null);
			$data['access'] = (!empty($filters['access']) ? $filters['access'] : JFactory::getConfig()->get('access'));
		}

		if (isset($data['menutype']) && !$this->getState('item.menutypeid'))
		{
			$menuTypeId = (int) $this->getMenuTypeId($data['menutype']);

			$this->setState('item.menutypeid', $menuTypeId);
		}

		$data = (object) $data;

		$this->preprocessData('com_menus.item', $data);

		return $data;
	}

	/**
	 * Get the necessary data to load an item help screen.
	 *
	 * @return  object  An object with key, url, and local properties for loading the item help screen.
	 *
	 * @since   1.6
	 */
	public function getHelp()
	{
		return (object) array('key' => $this->helpKey, 'url' => $this->helpURL, 'local' => $this->helpLocal);
	}

	/**
	 * Method to get a menu item.
	 *
	 * @param   integer  $pk  An optional id of the object to get, otherwise the id from the model state is used.
	 *
	 * @return  mixed  Menu item data object on success, false on failure.
	 *
	 * @since   1.6
	 */
	public function getItem($pk = null)
	{
		$pk = (!empty($pk)) ? $pk : (int) $this->getState('item.id');

		// Get a level row instance.
		$table = $this->getTable();

		// Attempt to load the row.
		$table->load($pk);

		// Check for a table object error.
		if ($error = $table->getError())
		{
			$this->setError($error);

			return false;
		}

		// Prime required properties.

		if ($type = $this->getState('item.type'))
		{
			$table->type = $type;
		}

		if (empty($table->id))
		{
			$table->parent_id = $this->getState('item.parent_id');
			$table->menutype  = $this->getState('item.menutype');
			$table->client_id = $this->getState('item.client_id');
			$table->params = '{}';
		}

		// If the link has been set in the state, possibly changing link type.
		if ($link = $this->getState('item.link'))
		{
			// Check if we are changing away from the actual link type.
			if (MenusHelper::getLinkKey($table->link) !== MenusHelper::getLinkKey($link) && (int) $table->id === (int) $this->getState('item.id'))
			{
				$table->link = $link;
			}
		}

		switch ($table->type)
		{
			case 'alias':
				$table->component_id = 0;
				$args = array();

				parse_str(parse_url($table->link, PHP_URL_QUERY), $args);
				break;

			case 'separator':
			case 'heading':
			case 'container':
				$table->link = '';
				$table->component_id = 0;
				break;

			case 'url':
				$table->component_id = 0;

				$args = array();
				parse_str(parse_url($table->link, PHP_URL_QUERY), $args);
				break;

			case 'component':
			default:
				// Enforce a valid type.
				$table->type = 'component';

				// Ensure the integrity of the component_id field is maintained, particularly when changing the menu item type.
				$args = array();
				parse_str(parse_url($table->link, PHP_URL_QUERY), $args);

				if (isset($args['option']))
				{
					// Load the language file for the component.
					$lang = JFactory::getLanguage();
					$lang->load($args['option'], JPATH_ADMINISTRATOR, null, false, true)
					|| $lang->load($args['option'], JPATH_ADMINISTRATOR . '/components/' . $args['option'], null, false, true);

					// Determine the component id.
					$component = JComponentHelper::getComponent($args['option']);

					if (isset($component->id))
					{
						$table->component_id = $component->id;
					}
				}
				break;
		}

		// We have a valid type, inject it into the state for forms to use.
		$this->setState('item.type', $table->type);

		// Convert to the JObject before adding the params.
		$properties = $table->getProperties(1);
		$result = ArrayHelper::toObject($properties);

		// Convert the params field to an array.
		$registry = new Registry($table->params);
		$result->params = $registry->toArray();

		// Merge the request arguments in to the params for a component.
		if ($table->type == 'component')
		{
			// Note that all request arguments become reserved parameter names.
			$result->request = $args;
			$result->params = array_merge($result->params, $args);

			// Special case for the Login menu item.
			// Display the login or logout redirect URL fields if not empty
			if ($table->link == 'index.php?option=com_users&view=login')
			{
				if (!empty($result->params['login_redirect_url']))
				{
					$result->params['loginredirectchoice'] = '0';
				}

				if (!empty($result->params['logout_redirect_url']))
				{
					$result->params['logoutredirectchoice'] = '0';
				}
			}
		}

		if ($table->type == 'alias')
		{
			// Note that all request arguments become reserved parameter names.
			$result->params = array_merge($result->params, $args);
		}

		if ($table->type == 'url')
		{
			// Note that all request arguments become reserved parameter names.
			$result->params = array_merge($result->params, $args);
		}

		// Load associated menu items, only supported for frontend for now
		if ($this->getState('item.client_id') == 0 && JLanguageAssociations::isEnabled())
		{
			if ($pk != null)
			{
				$result->associations = MenusHelper::getAssociations($pk);
			}
			else
			{
				$result->associations = array();
			}
		}

		$result->menuordering = $pk;

		return $result;
	}

	/**
	 * Get the list of modules not in trash.
	 *
	 * @return  mixed  An array of module records (id, title, position), or false on error.
	 *
	 * @since   1.6
	 */
	public function getModules()
	{
		$db = $this->getDbo();
		$query = $db->getQuery(true);

		// Currently any setting that affects target page for a backend menu is not supported, hence load no modules.
		if ($this->getState('item.client_id') == 1)
		{
			return false;
		}

		/**
		 * Join on the module-to-menu mapping table.
		 * We are only interested if the module is displayed on ALL or THIS menu item (or the inverse ID number).
		 * sqlsrv changes for modulelink to menu manager
		 */
		$query->select('a.id, a.title, a.position, a.published, map.menuid')
			->from('#__modules AS a')
			->join('LEFT', sprintf('#__modules_menu AS map ON map.moduleid = a.id AND map.menuid IN (0, %1$d, -%1$d)', $this->getState('item.id')))
			->select('(SELECT COUNT(*) FROM #__modules_menu WHERE moduleid = a.id AND menuid < 0) AS ' . $db->quoteName('except'));

		// Join on the asset groups table.
		$query->select('ag.title AS access_title')
			->join('LEFT', '#__viewlevels AS ag ON ag.id = a.access')
			->where('a.published >= 0')
			->where('a.client_id = ' . (int) $this->getState('item.client_id'))
			->order('a.position, a.ordering');

		$db->setQuery($query);

		try
		{
			$result = $db->loadObjectList();
		}
		catch (RuntimeException $e)
		{
			$this->setError($e->getMessage());

			return false;
		}

		return $result;
	}

	/**
	 * Get the list of all view levels
	 *
	 * @return  array|boolean  An array of all view levels (id, title).
	 *
	 * @since   3.4
	 */
	public function getViewLevels()
	{
		$db    = $this->getDbo();
		$query = $db->getQuery(true);

		// Get all the available view levels
		$query->select($db->quoteName('id'))
			->select($db->quoteName('title'))
			->from($db->quoteName('#__viewlevels'))
			->order($db->quoteName('id'));

		$db->setQuery($query);

		try
		{
			$result = $db->loadObjectList();
		}
		catch (RuntimeException $e)
		{
			$this->setError($e->getMessage());

			return false;
		}

		return $result;
	}

	/**
	 * A protected method to get the where clause for the reorder.
	 * This ensures that the row will be moved relative to a row with the same menutype.
	 *
	 * @param   JTableMenu  $table  instance.
	 *
	 * @return  array  An array of conditions to add to add to ordering queries.
	 *
	 * @since   1.6
	 */
	protected function getReorderConditions($table)
	{
		return array('menutype = ' . $this->_db->quote($table->get('menutype')));
	}

	/**
	 * Returns a Table object, always creating it
	 *
	 * @param   string  $type    The table type to instantiate.
	 * @param   string  $prefix  A prefix for the table class name. Optional.
	 * @param   array   $config  Configuration array for model. Optional.
	 *
	 * @return  JTable|JTableNested  A database object.
	 *
	 * @since   1.6
	 */
	public function getTable($type = 'Menu', $prefix = 'MenusTable', $config = array())
	{
		return JTable::getInstance($type, $prefix, $config);
	}

	/**
	 * Auto-populate the model state.
	 *
	 * Note. Calling getState in this method will result in recursion.
	 *
	 * @return  void
	 *
	 * @since   1.6
	 */
	protected function populateState()
	{
		$app = JFactory::getApplication('administrator');

		// Load the User state.
		$pk = $app->input->getInt('id');
		$this->setState('item.id', $pk);

		if (!($parentId = $app->getUserState('com_menus.edit.item.parent_id')))
		{
			$parentId = $app->input->getInt('parent_id');
		}

		$this->setState('item.parent_id', $parentId);

		$menuType = $app->getUserStateFromRequest('com_menus.items.menutype', 'menutype', '', 'string');

		// If we have a menutype we take client_id from there, unless forced otherwise
		if ($menuType)
		{
			$menuTypeObj = $this->getMenuType($menuType);

			// An invalid menutype will be handled as clientId = 0 and menuType = ''
			$menuType   = (string) $menuTypeObj->menutype;
			$menuTypeId = (int) $menuTypeObj->client_id;
			$clientId   = (int) $menuTypeObj->client_id;
		}
		else
		{
			$menuTypeId = 0;
			$clientId   = $app->getUserState('com_menus.items.client_id', 0);
		}

		// Forced client id will override/clear menuType if conflicted
		$forcedClientId = $app->input->get('client_id', null, 'string');

		// Current item if not new, we don't allow changing client id at all
		if ($pk)
		{
			$table = $this->getTable();
			$table->load($pk);
			$forcedClientId = $table->get('client_id', $forcedClientId);
		}

		if (isset($forcedClientId) && $forcedClientId != $clientId)
		{
			$clientId   = $forcedClientId;
			$menuType   = '';
			$menuTypeId = 0;
		}

		// Set the menu type and client id on the list view state, so we return to this menu after saving.
		$app->setUserState('com_menus.items.menutype', $menuType);
		$app->setUserState('com_menus.items.client_id', $clientId);

		$this->setState('item.menutype', $menuType);
		$this->setState('item.client_id', $clientId);
		$this->setState('item.menutypeid', $menuTypeId);

		if (!($type = $app->getUserState('com_menus.edit.item.type')))
		{
			$type = $app->input->get('type');

			/**
			 * Note: a new menu item will have no field type.
			 * The field is required so the user has to change it.
			 */
		}

		$this->setState('item.type', $type);

		if ($link = $app->getUserState('com_menus.edit.item.link'))
		{
			$this->setState('item.link', $link);
		}

		// Load the parameters.
		$params = JComponentHelper::getParams('com_menus');
		$this->setState('params', $params);
	}

	/**
	 * Loads the menutype object by a given menutype string
	 *
	 * @param   string  $menutype  The given menutype
	 *
	 * @return  stdClass
	 *
	 * @since   3.7.0
	 */
	protected function getMenuType($menutype)
	{
		$table = $this->getTable('MenuType', 'JTable');

		$table->load(array('menutype' => $menutype));

		return (object) $table->getProperties();
	}

	/**
	 * Loads the menutype ID by a given menutype string
	 *
	 * @param   string  $menutype  The given menutype
	 *
	 * @return  integer
	 *
	 * @since   3.6
	 */
	protected function getMenuTypeId($menutype)
	{
		$menu = $this->getMenuType($menutype);

		return (int) $menu->id;
	}

	/**
	 * Method to preprocess the form.
	 *
	 * @param   JForm   $form   A JForm object.
	 * @param   mixed   $data   The data expected for the form.
	 * @param   string  $group  The name of the plugin group to import.
	 *
	 * @return  void
	 *
	 * @since   1.6
	 * @throws  Exception if there is an error in the form event.
	 */
	protected function preprocessForm(JForm $form, $data, $group = 'content')
	{
		$link     = $this->getState('item.link');
		$type     = $this->getState('item.type');
		$clientId = $this->getState('item.client_id');
		$formFile = false;

		// Load the specific type file
		$typeFile   = $clientId == 1 ? 'itemadmin_' . $type : 'item_' . $type;
		$clientInfo = JApplicationHelper::getClientInfo($clientId);

		// Initialise form with component view params if available.
		if ($type == 'component')
		{
			$link = htmlspecialchars_decode($link);

			// Parse the link arguments.
			$args = array();
			parse_str(parse_url(htmlspecialchars_decode($link), PHP_URL_QUERY), $args);

			// Confirm that the option is defined.
			$option = '';
			$base = '';

			if (isset($args['option']))
			{
				// The option determines the base path to work with.
				$option = $args['option'];
				$base = $clientInfo->path . '/components/' . $option;
			}

			if (isset($args['view']))
			{
				$view = $args['view'];

				// Determine the layout to search for.
				if (isset($args['layout']))
				{
					$layout = $args['layout'];
				}
				else
				{
					$layout = 'default';
				}

				// Check for the layout XML file. Use standard xml file if it exists.
				$tplFolders = array(
					$base . '/views/' . $view . '/tmpl',
					$base . '/view/' . $view . '/tmpl'
				);
				$path = JPath::find($tplFolders, $layout . '.xml');

				if (is_file($path))
				{
					$formFile = $path;
				}

				// If custom layout, get the xml file from the template folder
				// template folder is first part of file name -- template:folder
				if (!$formFile && (strpos($layout, ':') > 0))
				{
					list($altTmpl, $altLayout) = explode(':', $layout);

					$templatePath = JPath::clean($clientInfo->path . '/templates/' . $altTmpl . '/html/' . $option . '/' . $view . '/' . $altLayout . '.xml');

					if (is_file($templatePath))
					{
						$formFile = $templatePath;
					}
				}
			}

			// Now check for a view manifest file
			if (!$formFile)
			{
				if (isset($view))
				{
					$metadataFolders = array(
						$base . '/view/' . $view,
						$base . '/views/' . $view
					);
					$metaPath = JPath::find($metadataFolders, 'metadata.xml');

					if (is_file($path = JPath::clean($metaPath)))
					{
						$formFile = $path;
					}
				}
				else
				{
					// Now check for a component manifest file
					$path = JPath::clean($base . '/metadata.xml');

					if (is_file($path))
					{
						$formFile = $path;
					}
				}
			}
		}

		if ($formFile)
		{
			// If an XML file was found in the component, load it first.
			// We need to qualify the full path to avoid collisions with component file names.

			if ($form->loadFile($formFile, true, '/metadata') == false)
			{
				throw new Exception(JText::_('JERROR_LOADFILE_FAILED'));
			}

			// Attempt to load the xml file.
			if (!$xml = simplexml_load_file($formFile))
			{
				throw new Exception(JText::_('JERROR_LOADFILE_FAILED'));
			}

			// Get the help data from the XML file if present.
			$help = $xml->xpath('/metadata/layout/help');
		}
		else
		{
			// We don't have a component. Load the form XML to get the help path
			$xmlFile = JPath::find(JPATH_ADMINISTRATOR . '/components/com_menus/models/forms', $typeFile . '.xml');

			if ($xmlFile)
			{
				if (!$xml = simplexml_load_file($xmlFile))
				{
					throw new Exception(JText::_('JERROR_LOADFILE_FAILED'));
				}

				// Get the help data from the XML file if present.
				$help = $xml->xpath('/form/help');
			}
		}

		if (!empty($help))
		{
			$helpKey = trim((string) $help[0]['key']);
			$helpURL = trim((string) $help[0]['url']);
			$helpLoc = trim((string) $help[0]['local']);

			$this->helpKey = $helpKey ?: $this->helpKey;
			$this->helpURL = $helpURL ?: $this->helpURL;
			$this->helpLocal = (($helpLoc == 'true') || ($helpLoc == '1') || ($helpLoc == 'local')) ? true : false;
		}

		if (!$form->loadFile($typeFile, true, false))
		{
			throw new Exception(JText::_('JERROR_LOADFILE_FAILED'));
		}

		// Association menu items, we currently do not support this for admin menu… may be later
		if ($clientId == 0 && JLanguageAssociations::isEnabled())
		{
			$languages = JLanguageHelper::getContentLanguages(false, true, null, 'ordering', 'asc');

			if (count($languages) > 1)
			{
				$addform = new SimpleXMLElement('<form />');
				$fields = $addform->addChild('fields');
				$fields->addAttribute('name', 'associations');
				$fieldset = $fields->addChild('fieldset');
				$fieldset->addAttribute('name', 'item_associations');

				foreach ($languages as $language)
				{
					$field = $fieldset->addChild('field');
					$field->addAttribute('name', $language->lang_code);
					$field->addAttribute('type', 'modal_menu');
					$field->addAttribute('language', $language->lang_code);
					$field->addAttribute('label', $language->title);
					$field->addAttribute('translate_label', 'false');
					$field->addAttribute('select', 'true');
					$field->addAttribute('new', 'true');
					$field->addAttribute('edit', 'true');
					$field->addAttribute('clear', 'true');
					$field->addAttribute('propagate', 'true');
					$option = $field->addChild('option', 'COM_MENUS_ITEM_FIELD_ASSOCIATION_NO_VALUE');
					$option->addAttribute('value', '');
				}

				$form->load($addform, false);
			}
		}

		// Trigger the default form events.
		parent::preprocessForm($form, $data, $group);
	}

	/**
	 * Method rebuild the entire nested set tree.
	 *
	 * @return  boolean|JException  Boolean true on success, boolean false or JException instance on error
	 *
	 * @since   1.6
	 */
	public function rebuild()
	{
		// Initialise variables.
		$db = $this->getDbo();
		$query = $db->getQuery(true);
		$table = $this->getTable();

		try
		{
			$rebuildResult = $table->rebuild();
		}
		catch (Exception $e)
		{
			$this->setError($e->getMessage());

			return false;
		}

		if (!$rebuildResult)
		{
			$this->setError($table->getError());

			return false;
		}

		$query->select('id, params')
			->from('#__menu')
			->where('params NOT LIKE ' . $db->quote('{%'))
			->where('params <> ' . $db->quote(''));
		$db->setQuery($query);

		try
		{
			$items = $db->loadObjectList();
		}
		catch (RuntimeException $e)
		{
			return JError::raiseWarning(500, $e->getMessage());
		}

		foreach ($items as &$item)
		{
			$registry = new Registry($item->params);
			$params = (string) $registry;

			$query->clear();
			$query->update('#__menu')
				->set('params = ' . $db->quote($params))
				->where('id = ' . $item->id);

			try
			{
				$db->setQuery($query)->execute();
			}
			catch (RuntimeException $e)
			{
				return JError::raiseWarning(500, $e->getMessage());
			}

			unset($registry);
		}

		// Clean the cache
		$this->cleanCache();

		return true;
	}

	/**
	 * Method to save the form data.
	 *
	 * @param   array  $data  The form data.
	 *
	 * @return  boolean  True on success.
	 *
	 * @since   1.6
	 */
	public function save($data)
	{
		$dispatcher = JEventDispatcher::getInstance();
		$pk         = (!empty($data['id'])) ? $data['id'] : (int) $this->getState('item.id');
		$isNew      = true;
		$table   = $this->getTable();
		$context = $this->option . '.' . $this->name;

		// Include the plugins for the on save events.
		JPluginHelper::importPlugin($this->events_map['save']);

		// Load the row if saving an existing item.
		if ($pk > 0)
		{
			$table->load($pk);
			$isNew = false;
		}

		if (!$isNew)
		{
			if ($table->parent_id == $data['parent_id'])
			{
				// If first is chosen make the item the first child of the selected parent.
				if ($data['menuordering'] == -1)
				{
					$table->setLocation($data['parent_id'], 'first-child');
				}
				// If last is chosen make it the last child of the selected parent.
				elseif ($data['menuordering'] == -2)
				{
					$table->setLocation($data['parent_id'], 'last-child');
				}
				// Don't try to put an item after itself. All other ones put after the selected item.
				// $data['id'] is empty means it's a save as copy
				elseif ($data['menuordering'] && $table->id != $data['menuordering'] || empty($data['id']))
				{
					$table->setLocation($data['menuordering'], 'after');
				}
				// Just leave it where it is if no change is made.
				elseif ($data['menuordering'] && $table->id == $data['menuordering'])
				{
					unset($data['menuordering']);
				}
			}
			// Set the new parent id if parent id not matched and put in last position
			else
			{
				$table->setLocation($data['parent_id'], 'last-child');
			}
		}
		// We have a new item, so it is not a change.
		else
		{
			$menuType = $this->getMenuType($data['menutype']);

			$data['client_id'] = $menuType->client_id;

			$table->setLocation($data['parent_id'], 'last-child');
		}

		// Bind the data.
		if (!$table->bind($data))
		{
			$this->setError($table->getError());

			return false;
		}

		// Alter the title & alias for save as copy.  Also, unset the home record.
		if (!$isNew && $data['id'] == 0)
		{
			list($title, $alias) = $this->generateNewTitle($table->parent_id, $table->alias, $table->title);

			$table->title     = $title;
			$table->alias     = $alias;
			$table->published = 0;
			$table->home      = 0;
		}

		// Check the data.
		if (!$table->check())
		{
			$this->setError($table->getError());

			return false;
		}

		// Trigger the before save event.
		$result = $dispatcher->trigger($this->event_before_save, array($context, &$table, $isNew));

		// Store the data.
		if (in_array(false, $result, true)|| !$table->store())
		{
			$this->setError($table->getError());

			return false;
		}

		// Trigger the after save event.
		$dispatcher->trigger($this->event_after_save, array($context, &$table, $isNew));

		// Rebuild the tree path.
		if (!$table->rebuildPath($table->id))
		{
			$this->setError($table->getError());

			return false;
		}

		$this->setState('item.id', $table->id);
		$this->setState('item.menutype', $table->menutype);

		// Load associated menu items, for now not supported for admin menu… may be later
		if ($table->get('client_id') == 0 && JLanguageAssociations::isEnabled())
		{
			// Adding self to the association
			$associations = isset($data['associations']) ? $data['associations'] : array();

			// Unset any invalid associations
			$associations = Joomla\Utilities\ArrayHelper::toInteger($associations);

			foreach ($associations as $tag => $id)
			{
				if (!$id)
				{
					unset($associations[$tag]);
				}
			}

			// Detecting all item menus
			$all_language = $table->language == '*';

			if ($all_language && !empty($associations))
			{
				JError::raiseNotice(403, JText::_('COM_MENUS_ERROR_ALL_LANGUAGE_ASSOCIATED'));
			}

			// Get associationskey for edited item
			$db    = $this->getDbo();
			$query = $db->getQuery(true)
				->select($db->quoteName('key'))
				->from($db->quoteName('#__associations'))
				->where($db->quoteName('context') . ' = ' . $db->quote($this->associationsContext))
				->where($db->quoteName('id') . ' = ' . (int) $table->id);
			$db->setQuery($query);
			$old_key = $db->loadResult();

			// Deleting old associations for the associated items
			$query = $db->getQuery(true)
				->delete($db->quoteName('#__associations'))
				->where($db->quoteName('context') . ' = ' . $db->quote($this->associationsContext));

			if ($associations)
			{
				$query->where('(' . $db->quoteName('id') . ' IN (' . implode(',', $associations) . ') OR '
					. $db->quoteName('key') . ' = ' . $db->quote($old_key) . ')'
				);
			}
			else
			{
				$query->where($db->quoteName('key') . ' = ' . $db->quote($old_key));
			}

			$db->setQuery($query);

			try
			{
				$db->execute();
			}
			catch (RuntimeException $e)
			{
				$this->setError($e->getMessage());

				return false;
			}

			// Adding self to the association
			if (!$all_language)
			{
				$associations[$table->language] = (int) $table->id;
			}

			if (count($associations) > 1)
			{
				// Adding new association for these items
				$key = md5(json_encode($associations));
				$query->clear()
					->insert('#__associations');

				foreach ($associations as $id)
				{
					$query->values(((int) $id) . ',' . $db->quote($this->associationsContext) . ',' . $db->quote($key));
				}

				$db->setQuery($query);

				try
				{
					$db->execute();
				}
				catch (RuntimeException $e)
				{
					$this->setError($e->getMessage());

					return false;
				}
			}
		}

		// Clean the cache
		$this->cleanCache();

		if (isset($data['link']))
		{
			$base = JUri::base();
			$juri = JUri::getInstance($base . $data['link']);
			$option = $juri->getVar('option');

			// Clean the cache
			parent::cleanCache($option);
		}

		if (Factory::getApplication()->input->get('task') == 'editAssociations')
		{
			return $this->redirectToAssociations($data);
		}

		return true;
	}

	/**
	 * Method to save the reordered nested set tree.
	 * First we save the new order values in the lft values of the changed ids.
	 * Then we invoke the table rebuild to implement the new ordering.
	 *
	 * @param   array  $idArray   Rows identifiers to be reordered
	 * @param   array  $lftArray  lft values of rows to be reordered
	 *
	 * @return  boolean false on failure or error, true otherwise.
	 *
	 * @since   1.6
	 */
	public function saveorder($idArray = null, $lftArray = null)
	{
		// Get an instance of the table object.
		$table = $this->getTable();

		if (!$table->saveorder($idArray, $lftArray))
		{
			$this->setError($table->getError());

			return false;
		}

		// Clean the cache
		$this->cleanCache();

		return true;
	}

	/**
	 * Method to change the home state of one or more items.
	 *
	 * @param   array    $pks    A list of the primary keys to change.
	 * @param   integer  $value  The value of the home state.
	 *
	 * @return  boolean  True on success.
	 *
	 * @since   1.6
	 */
	public function setHome(&$pks, $value = 1)
	{
		$table = $this->getTable();
		$pks = (array) $pks;

		$languages = array();
		$onehome = false;

		// Remember that we can set a home page for different languages,
		// so we need to loop through the primary key array.
		foreach ($pks as $i => $pk)
		{
			if ($table->load($pk))
			{
				if (!array_key_exists($table->language, $languages))
				{
					$languages[$table->language] = true;

					if ($table->home == $value)
					{
						unset($pks[$i]);
						JError::raiseNotice(403, JText::_('COM_MENUS_ERROR_ALREADY_HOME'));
					}
					elseif ($table->menutype == 'main')
					{
						// Prune items that you can't change.
						unset($pks[$i]);
						JError::raiseWarning(403, JText::_('COM_MENUS_ERROR_MENUTYPE_HOME'));
					}
					else
					{
						$table->home = $value;

						if ($table->language == '*')
						{
							$table->published = 1;
						}

						if (!$this->canSave($table))
						{
							// Prune items that you can't change.
							unset($pks[$i]);
							JError::raiseWarning(403, JText::_('JLIB_APPLICATION_ERROR_SAVE_NOT_PERMITTED'));
						}
						elseif (!$table->check())
						{
							// Prune the items that failed pre-save checks.
							unset($pks[$i]);
							JError::raiseWarning(403, $table->getError());
						}
						elseif (!$table->store())
						{
							// Prune the items that could not be stored.
							unset($pks[$i]);
							JError::raiseWarning(403, $table->getError());
						}
					}
				}
				else
				{
					unset($pks[$i]);

					if (!$onehome)
					{
						$onehome = true;
						JError::raiseNotice(403, JText::sprintf('COM_MENUS_ERROR_ONE_HOME'));
					}
				}
			}
		}

		// Clean the cache
		$this->cleanCache();

		return true;
	}

	/**
	 * Method to change the published state of one or more records.
	 *
	 * @param   array    $pks    A list of the primary keys to change.
	 * @param   integer  $value  The value of the published state.
	 *
	 * @return  boolean  True on success.
	 *
	 * @since   1.6
	 */
	public function publish(&$pks, $value = 1)
	{
		$table = $this->getTable();
		$pks   = (array) $pks;

		// Default menu item existence checks.
		if ($value != 1)
		{
			foreach ($pks as $i => $pk)
			{
				if ($table->load($pk) && $table->home && $table->language == '*')
				{
					// Prune items that you can't change.
					JError::raiseWarning(403, JText::_('JLIB_DATABASE_ERROR_MENU_UNPUBLISH_DEFAULT_HOME'));
					unset($pks[$i]);
					break;
				}
			}
		}

		// Clean the cache
		$this->cleanCache();

		// Ensure that previous checks doesn't empty the array
		if (empty($pks))
		{
			return true;
		}

		return parent::publish($pks, $value);
	}

	/**
	 * Method to change the title & alias.
	 *
	 * @param   integer  $parentId  The id of the parent.
	 * @param   string   $alias     The alias.
	 * @param   string   $title     The title.
	 *
	 * @return  array  Contains the modified title and alias.
	 *
	 * @since   1.6
	 */
	protected function generateNewTitle($parentId, $alias, $title)
	{
		// Alter the title & alias
		$table = $this->getTable();

		while ($table->load(array('alias' => $alias, 'parent_id' => $parentId)))
		{
			if ($title == $table->title)
			{
				$title = StringHelper::increment($title);
			}

			$alias = StringHelper::increment($alias, 'dash');
		}

		return array($title, $alias);
	}

	/**
	 * Custom clean the cache
	 *
	 * @param   string   $group     Cache group name.
	 * @param   integer  $clientId  Application client id.
	 *
	 * @return  void
	 *
	 * @since   1.6
	 */
	protected function cleanCache($group = null, $clientId = 0)
	{
		parent::cleanCache('com_menus', 0);
		parent::cleanCache('com_modules');
		parent::cleanCache('mod_menu', 0);
		parent::cleanCache('mod_menu', 1);
	}
}
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Editing: item.php
