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<?php
/**
* @copyright Copyright (C) 2005 - 2012 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
// No direct access
defined('_JEXEC') or die;
jimport('joomla.application.component.modellist');
/**
* Newsfeeds Component Category Model
*
* @package Joomla.Site
* @subpackage com_newsfeeds
* @since 1.5
*/
class NewsfeedsModelCategory extends JModelList
{
/**
* Category items data
*
* @var array
*/
protected $_item = null;
protected $_articles = null;
protected $_siblings = null;
protected $_children = null;
protected $_parent = null;
/**
* The category that applies.
*
* @access protected
* @var object
*/
protected $_category = null;
/**
* The list of other newfeed categories.
*
* @access protected
* @var array
*/
protected $_categories = null;
/**
* Constructor.
*
* @param array An optional associative array of configuration settings.
* @see JController
* @since 1.6
*/
public function __construct($config = array())
{
if (empty($config['filter_fields'])) {
$config['filter_fields'] = array(
'id', 'a.id',
'name', 'a.name',
'numarticles', 'a.numarticles',
'link', 'a.link',
'ordering', 'a.ordering',
);
}
parent::__construct($config);
}
/**
* Method to get a list of items.
*
* @return mixed An array of objects on success, false on failure.
*/
public function getItems()
{
// Invoke the parent getItems method to get the main list
$items = parent::getItems();
// Convert the params field into an object, saving original in _params
for ($i = 0, $n = count($items); $i < $n; $i++) {
$item = &$items[$i];
if (!isset($this->_params)) {
$params = new JRegistry();
$item->params = $params;
$params->loadString($item->params);
}
}
return $items;
}
/**
* Method to build an SQL query to load the list data.
*
* @return string An SQL query
* @since 1.6
*/
protected function getListQuery()
{
$user = JFactory::getUser();
$groups = implode(',', $user->getAuthorisedViewLevels());
// Create a new query object.
$db = $this->getDbo();
$query = $db->getQuery(true);
// Select required fields from the categories.
$query->select($this->getState('list.select', 'a.*'));
$query->from($db->quoteName('#__newsfeeds').' AS a');
$query->where('a.access IN ('.$groups.')');
// Filter by category.
if ($categoryId = $this->getState('category.id')) {
$query->where('a.catid = '.(int) $categoryId);
$query->join('LEFT', '#__categories AS c ON c.id = a.catid');
$query->where('c.access IN ('.$groups.')');
}
// Filter by state
$state = $this->getState('filter.published');
if (is_numeric($state)) {
$query->where('a.published = '.(int) $state);
}
// Filter by start and end dates.
$nullDate = $db->Quote($db->getNullDate());
$date = JFactory::getDate();
$nowDate = $db->Quote($date->format($db->getDateFormat()));
if ($this->getState('filter.publish_date')){
$query->where('(a.publish_up = ' . $nullDate . ' OR a.publish_up <= ' . $nowDate . ')');
$query->where('(a.publish_down = ' . $nullDate . ' OR a.publish_down >= ' . $nowDate . ')');
}
// Filter by language
if ($this->getState('filter.language')) {
$query->where('a.language in ('.$db->Quote(JFactory::getLanguage()->getTag()).','.$db->Quote('*').')');
}
// Add the list ordering clause.
$query->order($db->escape($this->getState('list.ordering', 'a.ordering')).' '.$db->escape($this->getState('list.direction', 'ASC')));
return $query;
}
/**
* Method to auto-populate the model state.
*
* Note. Calling getState in this method will result in recursion.
*
* @since 1.6
*/
protected function populateState($ordering = null, $direction = null)
{
// Initialise variables.
$app = JFactory::getApplication();
$params = JComponentHelper::getParams('com_newsfeeds');
// List state information
$limit = $app->getUserStateFromRequest('global.list.limit', 'limit', $app->getCfg('list_limit'));
$this->setState('list.limit', $limit);
$limitstart = JRequest::getVar('limitstart', 0, '', 'int');
$this->setState('list.start', $limitstart);
$orderCol = JRequest::getCmd('filter_order', 'ordering');
if (!in_array($orderCol, $this->filter_fields)) {
$orderCol = 'ordering';
}
$this->setState('list.ordering', $orderCol);
$listOrder = JRequest::getCmd('filter_order_Dir', 'ASC');
if (!in_array(strtoupper($listOrder), array('ASC', 'DESC', ''))) {
$listOrder = 'ASC';
}
$this->setState('list.direction', $listOrder);
$id = JRequest::getVar('id', 0, '', 'int');
$this->setState('category.id', $id);
$user = JFactory::getUser();
if ((!$user->authorise('core.edit.state', 'com_newsfeeds')) && (!$user->authorise('core.edit', 'com_newsfeeds'))){
// limit to published for people who can't edit or edit.state.
$this->setState('filter.published', 1);
// Filter by start and end dates.
$this->setState('filter.publish_date', true);
}
$this->setState('filter.language', $app->getLanguageFilter());
// Load the parameters.
$this->setState('params', $params);
}
/**
* Method to get category data for the current category
*
* @param int An optional ID
*
* @return object
* @since 1.5
*/
public function getCategory()
{
if(!is_object($this->_item))
{
$app = JFactory::getApplication();
$menu = $app->getMenu();
$active = $menu->getActive();
$params = new JRegistry();
if($active)
{
$params->loadString($active->params);
}
$options = array();
$options['countItems'] = $params->get('show_cat_items', 1) || $params->get('show_empty_categories', 0);
$categories = JCategories::getInstance('Newsfeeds', $options);
$this->_item = $categories->get($this->getState('category.id', 'root'));
if(is_object($this->_item))
{
$this->_children = $this->_item->getChildren();
$this->_parent = false;
if($this->_item->getParent())
{
$this->_parent = $this->_item->getParent();
}
$this->_rightsibling = $this->_item->getSibling();
$this->_leftsibling = $this->_item->getSibling(false);
} else {
$this->_children = false;
$this->_parent = false;
}
}
return $this->_item;
}
/**
* Get the parent category.
*
* @param int An optional category id. If not supplied, the model state 'category.id' will be used.
*
* @return mixed An array of categories or false if an error occurs.
*/
public function getParent()
{
if (!is_object($this->_item))
{
$this->getCategory();
}
return $this->_parent;
}
/**
* Get the sibling (adjacent) categories.
*
* @return mixed An array of categories or false if an error occurs.
*/
function &getLeftSibling()
{
if (!is_object($this->_item))
{
$this->getCategory();
}
return $this->_leftsibling;
}
function &getRightSibling()
{
if(!is_object($this->_item))
{
$this->getCategory();
}
return $this->_rightsibling;
}
/**
* Get the child categories.
*
* @param int An optional category id. If not supplied, the model state 'category.id' will be used.
*
* @return mixed An array of categories or false if an error occurs.
*/
function &getChildren()
{
if(!is_object($this->_item))
{
$this->getCategory();
}
return $this->_children;
}
}
