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alazhar
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administrator/components/com_finder/models/maps.php
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355
administrator/components/com_finder/models/maps.php
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<?php
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/**
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* @package Joomla.Administrator
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* @subpackage com_finder
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*
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* @copyright Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
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* @license GNU General Public License version 2 or later; see LICENSE
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*/
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defined('_JEXEC') or die();
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/**
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* Maps model for the Finder package.
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*
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* @package Joomla.Administrator
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* @subpackage com_finder
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* @since 2.5
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*/
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class FinderModelMaps extends JModelList
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{
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/**
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* Constructor.
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*
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* @param array $config An associative array of configuration settings. [optional]
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*
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* @since 2.5
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* @see JController
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*/
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public function __construct($config = array())
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{
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if (empty($config['filter_fields']))
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{
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$config['filter_fields'] = array(
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'state', 'a.state',
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'title', 'a.title'
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);
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}
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parent::__construct($config);
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}
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/**
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* Method to test whether a record can be deleted.
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*
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* @param object $record A record object.
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*
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* @return boolean True if allowed to delete the record. Defaults to the permission for the component.
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*
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* @since 2.5
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*/
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protected function canDelete($record)
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{
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$user = JFactory::getUser();
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return $user->authorise('core.delete', $this->option);
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}
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/**
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* Method to test whether a record can be deleted.
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*
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* @param object $record A record object.
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*
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* @return boolean True if allowed to change the state of the record. Defaults to the permission for the component.
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*
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* @since 2.5
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*/
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protected function canEditState($record)
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{
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$user = JFactory::getUser();
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return $user->authorise('core.edit.state', $this->option);
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}
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/**
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* Method to delete one or more records.
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*
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* @param array &$pks An array of record primary keys.
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*
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* @return boolean True if successful, false if an error occurs.
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*
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* @since 2.5
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*/
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public function delete(&$pks)
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{
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$dispatcher = JEventDispatcher::getInstance();
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$pks = (array) $pks;
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$table = $this->getTable();
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// Include the content plugins for the on delete events.
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JPluginHelper::importPlugin('content');
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// Iterate the items to delete each one.
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foreach ($pks as $i => $pk)
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{
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if ($table->load($pk))
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{
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if ($this->canDelete($table))
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{
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$context = $this->option . '.' . $this->name;
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// Trigger the onContentBeforeDelete event.
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$result = $dispatcher->trigger('onContentBeforeDelete', array($context, $table));
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if (in_array(false, $result, true))
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{
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$this->setError($table->getError());
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return false;
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}
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if (!$table->delete($pk))
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{
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$this->setError($table->getError());
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return false;
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}
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// Trigger the onContentAfterDelete event.
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$dispatcher->trigger('onContentAfterDelete', array($context, $table));
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}
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else
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{
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// Prune items that you can't change.
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unset($pks[$i]);
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$error = $this->getError();
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if ($error)
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{
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$this->setError($error);
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}
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else
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{
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$this->setError(JText::_('JLIB_APPLICATION_ERROR_DELETE_NOT_PERMITTED'));
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}
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}
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}
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else
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{
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$this->setError($table->getError());
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return false;
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}
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}
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// Clear the component's cache
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$this->cleanCache();
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return true;
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}
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/**
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* Build an SQL query to load the list data.
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*
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* @return JDatabaseQuery A JDatabaseQuery object
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*
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* @since 2.5
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*/
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protected function getListQuery()
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{
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$db = $this->getDbo();
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$query = $db->getQuery(true);
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// Select all fields from the table.
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$query->select('a.*')
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->from($db->quoteName('#__finder_taxonomy') . ' AS a');
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// Self-join to get children.
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$query->select('COUNT(b.id) AS num_children')
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->join('LEFT', $db->quoteName('#__finder_taxonomy') . ' AS b ON b.parent_id=a.id');
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// Join to get the map links
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$query->select('COUNT(c.node_id) AS num_nodes')
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->join('LEFT', $db->quoteName('#__finder_taxonomy_map') . ' AS c ON c.node_id=a.id')
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->group('a.id, a.parent_id, a.title, a.state, a.access, a.ordering');
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// If the model is set to check item state, add to the query.
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if (is_numeric($this->getState('filter.state')))
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{
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$query->where('a.state = ' . (int) $this->getState('filter.state'));
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}
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// Filter the maps over the branch if set.
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$branch_id = $this->getState('filter.branch');
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if (!empty($branch_id))
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{
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$query->where('a.parent_id = ' . (int) $branch_id);
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}
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// Filter the maps over the search string if set.
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$search = $this->getState('filter.search');
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if (!empty($search))
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{
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$query->where('a.title LIKE ' . $db->quote('%' . $search . '%'));
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}
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// Handle the list ordering.
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$ordering = $this->getState('list.ordering');
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$direction = $this->getState('list.direction');
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if (!empty($ordering))
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{
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$query->order($db->escape($ordering) . ' ' . $db->escape($direction));
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}
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return $query;
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}
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/**
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* Method to get a store id based on model configuration state.
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*
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* This is necessary because the model is used by the component and
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* different modules that might need different sets of data or different
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* ordering requirements.
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*
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* @param string $id A prefix for the store id. [optional]
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*
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* @return string A store id.
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*
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* @since 2.5
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*/
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protected function getStoreId($id = '')
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{
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// Compile the store id.
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$id .= ':' . $this->getState('filter.state');
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$id .= ':' . $this->getState('filter.search');
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$id .= ':' . $this->getState('filter.branch');
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return parent::getStoreId($id);
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}
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/**
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* Returns a JTable object, always creating it.
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*
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* @param string $type The table type to instantiate. [optional]
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* @param string $prefix A prefix for the table class name. [optional]
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* @param array $config Configuration array for model. [optional]
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*
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* @return JTable A database object
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*
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* @since 2.5
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*/
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public function getTable($type = 'Map', $prefix = 'FinderTable', $config = array())
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{
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return JTable::getInstance($type, $prefix, $config);
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}
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/**
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* Method to auto-populate the model state. Calling getState in this method will result in recursion.
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*
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* @param string $ordering An optional ordering field. [optional]
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* @param string $direction An optional direction. [optional]
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*
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* @return void
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*
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* @since 2.5
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*/
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protected function populateState($ordering = null, $direction = null)
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{
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// Load the filter state.
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$search = $this->getUserStateFromRequest($this->context . '.filter.search', 'filter_search');
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$this->setState('filter.search', $search);
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$state = $this->getUserStateFromRequest($this->context . '.filter.state', 'filter_state', '', 'string');
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$this->setState('filter.state', $state);
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$branch = $this->getUserStateFromRequest($this->context . '.filter.branch', 'filter_branch', '1', 'string');
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$this->setState('filter.branch', $branch);
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// Load the parameters.
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$params = JComponentHelper::getParams('com_finder');
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$this->setState('params', $params);
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// List state information.
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parent::populateState('a.title', 'asc');
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}
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/**
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* Method to change the published state of one or more records.
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*
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* @param array &$pks A list of the primary keys to change.
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* @param integer $value The value of the published state. [optional]
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*
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* @return boolean True on success.
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*
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* @since 2.5
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*/
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public function publish(&$pks, $value = 1)
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{
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$dispatcher = JEventDispatcher::getInstance();
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$user = JFactory::getUser();
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$table = $this->getTable();
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$pks = (array) $pks;
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// Include the content plugins for the change of state event.
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JPluginHelper::importPlugin('content');
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// Access checks.
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foreach ($pks as $i => $pk)
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{
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$table->reset();
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if ($table->load($pk))
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{
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if (!$this->canEditState($table))
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{
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// Prune items that you can't change.
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unset($pks[$i]);
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$this->setError(JText::_('JLIB_APPLICATION_ERROR_EDITSTATE_NOT_PERMITTED'));
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return false;
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}
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}
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}
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// Attempt to change the state of the records.
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if (!$table->publish($pks, $value, $user->get('id')))
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{
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$this->setError($table->getError());
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return false;
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}
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$context = $this->option . '.' . $this->name;
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// Trigger the onContentChangeState event.
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$result = $dispatcher->trigger('onContentChangeState', array($context, $pks, $value));
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if (in_array(false, $result, true))
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{
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$this->setError($table->getError());
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return false;
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}
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// Clear the component's cache
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$this->cleanCache();
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return true;
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}
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/**
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* Method to purge all maps from the taxonomy.
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*
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* @return boolean Returns true on success, false on failure.
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*
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* @since 2.5
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*/
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public function purge()
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{
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$db = $this->getDbo();
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$query = $db->getQuery(true)
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->delete($db->quoteName('#__finder_taxonomy'))
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->where($db->quoteName('parent_id') . ' > 1');
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$db->setQuery($query);
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$db->execute();
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$query->clear()
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->delete($db->quoteName('#__finder_taxonomy_map'))
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->where('1');
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$db->setQuery($query);
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$db->execute();
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return true;
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}
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}
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