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编辑当前文件:/home/asmplong/www/ancien-site-2019/site/administrator/components/com_weblinks/models/weblinks.php

<?php
/**
 * @version		$Id: weblinks.php 21766 2011-07-08 12:20:23Z eddieajau $
 * @copyright	Copyright (C) 2005 - 2011 Open Source Matters, Inc. All rights reserved.
 * @license		GNU General Public License version 2 or later; see LICENSE.txt
 */

defined('_JEXEC') or die;

jimport('joomla.application.component.modellist');

/**
 * Methods supporting a list of weblink records.
 *
 * @package		Joomla.Administrator
 * @subpackage	com_weblinks
 * @since		1.6
 */
class WeblinksModelWeblinks extends JModelList
{

/**
	 * Constructor.
	 *
	 * @param	array	An optional associative array of configuration settings.
	 * @see		JController
	 * @since	1.6
	 */
	public function __construct($config = array())
	{
		if (empty($config['filter_fields'])) {
			$config['filter_fields'] = array(
				'id', 'a.id',
				'title', 'a.title',
				'alias', 'a.alias',
				'checked_out', 'a.checked_out',
				'checked_out_time', 'a.checked_out_time',
				'catid', 'a.catid', 'category_title',
				'state', 'a.state',
				'access', 'a.access', 'access_level',
				'created', 'a.created',
				'created_by', 'a.created_by',
				'ordering', 'a.ordering',
				'featured', 'a.featured',
				'language', 'a.language',
				'hits', 'a.hits',
				'publish_up', 'a.publish_up',
				'publish_down', 'a.publish_down',
				'url', 'a.url',
			);
		}

parent::__construct($config);
	}

/**
	 * Method to auto-populate the model state.
	 *
	 * Note. Calling getState in this method will result in recursion.
	 *
	 * @since	1.6
	 */
	protected function populateState($ordering = null, $direction = null)
	{
		// Initialise variables.
		$app = JFactory::getApplication('administrator');

// Load the filter state.
		$search = $this->getUserStateFromRequest($this->context.'.filter.search', 'filter_search');
		$this->setState('filter.search', $search);

$accessId = $this->getUserStateFromRequest($this->context.'.filter.access', 'filter_access', null, 'int');
		$this->setState('filter.access', $accessId);

$published = $this->getUserStateFromRequest($this->context.'.filter.state', 'filter_published', '', 'string');
		$this->setState('filter.state', $published);

$categoryId = $this->getUserStateFromRequest($this->context.'.filter.category_id', 'filter_category_id', '');
		$this->setState('filter.category_id', $categoryId);

$language = $this->getUserStateFromRequest($this->context.'.filter.language', 'filter_language', '');
		$this->setState('filter.language', $language);

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

// List state information.
		parent::populateState('a.title', 'asc');
	}

/**
	 * Method to get a store id based on model configuration state.
	 *
	 * This is necessary because the model is used by the component and
	 * different modules that might need different sets of data or different
	 * ordering requirements.
	 *
	 * @param	string		$id	A prefix for the store id.
	 * @return	string		A store id.
	 * @since	1.6
	 */
	protected function getStoreId($id = '')
	{
		// Compile the store id.
		$id.= ':' . $this->getState('filter.search');
		$id.= ':' . $this->getState('filter.access');
		$id.= ':' . $this->getState('filter.state');
		$id.= ':' . $this->getState('filter.category_id');
		$id.= ':' . $this->getState('filter.language');

return parent::getStoreId($id);
	}

/**
	 * Build an SQL query to load the list data.
	 *
	 * @return	JDatabaseQuery
	 * @since	1.6
	 */
	protected function getListQuery()
	{
		// Create a new query object.
		$db		= $this->getDbo();
		$query	= $db->getQuery(true);
		$user	= JFactory::getUser();

// Select the required fields from the table.
		$query->select(
			$this->getState(
				'list.select',
				'a.id, a.title, a.alias, a.checked_out, a.checked_out_time, a.catid,' .
				'a.hits,' .
				'a.state, a.access, a.ordering,'.
				'a.language, a.publish_up, a.publish_down'
			)
		);
		$query->from('`#__weblinks` AS a');

// Join over the language
		$query->select('l.title AS language_title');
		$query->join('LEFT', '`#__languages` AS l ON l.lang_code = a.language');

// Join over the users for the checked out user.
		$query->select('uc.name AS editor');
		$query->join('LEFT', '#__users AS uc ON uc.id=a.checked_out');

// Join over the asset groups.
		$query->select('ag.title AS access_level');
		$query->join('LEFT', '#__viewlevels AS ag ON ag.id = a.access');

// Join over the categories.
		$query->select('c.title AS category_title');
		$query->join('LEFT', '#__categories AS c ON c.id = a.catid');

// Filter by access level.
		if ($access = $this->getState('filter.access')) {
			$query->where('a.access = '.(int) $access);
		}

// Implement View Level Access
		if (!$user->authorise('core.admin'))
		{
		    $groups	= implode(',', $user->getAuthorisedViewLevels());
			$query->where('a.access IN ('.$groups.')');
		}

// Filter by published state
		$published = $this->getState('filter.state');
		if (is_numeric($published)) {
			$query->where('a.state = '.(int) $published);
		} else if ($published === '') {
			$query->where('(a.state IN (0, 1))');
		}

// Filter by category.
		$categoryId = $this->getState('filter.category_id');
		if (is_numeric($categoryId)) {
			$query->where('a.catid = '.(int) $categoryId);
		}

// Filter by search in title
		$search = $this->getState('filter.search');
		if (!empty($search)) {
			if (stripos($search, 'id:') === 0) {
				$query->where('a.id = '.(int) substr($search, 3));
			} else {
				$search = $db->Quote('%'.$db->getEscaped($search, true).'%');
				$query->where('(a.title LIKE '.$search.' OR a.alias LIKE '.$search.')');
			}
		}

// Filter on the language.
		if ($language = $this->getState('filter.language')) {
			$query->where('a.language = ' . $db->quote($language));
		}

// Add the list ordering clause.
		$orderCol	= $this->state->get('list.ordering');
		$orderDirn	= $this->state->get('list.direction');
		if ($orderCol == 'a.ordering' || $orderCol == 'category_title') {
			$orderCol = 'category_title '.$orderDirn.', a.ordering';
		}
		$query->order($db->getEscaped($orderCol.' '.$orderDirn));

//echo nl2br(str_replace('#__','jos_',$query));
		return $query;
	}
}