Current File : /home/lightco1/www/lightingrepublic.com.au/components/com_docman/models/pages.php
<?php
/**
* @package DOCman
* @copyright Copyright (C) 2011 - 2013 Timble CVBA. (http://www.timble.net)
* @license GNU GPLv3 <http://www.gnu.org/licenses/gpl.html>
* @link http://www.joomlatools.com
*/
class ComDocmanModelPages extends KModelAbstract
{
/**
* Pages pointing to this component
* @var array
*/
protected static $_pages = array();
/**
* An array of categories that are reachable through a page
*
* @var array
*/
protected static $_categories;
/**
* Constructor
*
* @param KConfig $config Configuration options
*/
public function __construct(KConfig $config)
{
parent::__construct($config);
$this->_state
->insert('id', 'int', null, true)
->insert('alias', 'cmd', null, true)
->insert('view', 'cmd');
}
/**
* Returns an array of component pages.
*
* Each page includes a children property that contains a list of all categories reachable by the page
*
* @return array
*/
protected function _getPages()
{
if (!self::$_pages)
{
$component = JComponentHelper::getComponent('com_'.$this->getIdentifier()->package);
$items = JApplication::getInstance('site')->getMenu()->getItems('component_id', $component->id);
foreach ($items as $item)
{
$item = clone $item;
$item->children = array();
self::$_pages[$item->id] = $item;
}
foreach (self::$_pages as &$item)
{
// Assign categories and their children to pages
if ($item->query['view'] === 'list') {
$item->children = $this->_getCategoryChildren($item->query['slug']);
}
}
unset($item);
}
return self::$_pages;
}
/**
* Filters pages by view
*
* @param array $pages Page list
* @param array $value Allowed views
*/
protected function _filterPagesByView(&$pages, array $value)
{
foreach ($pages as $i => $page)
{
if (!in_array($page->query['view'], $value)) {
unset($pages[$i]);
}
}
}
/**
* Filters pages by a given field
*
* @param array $pages Page list
* @param string $field Field to filter against
* @param array $value Allowed values
*/
protected function _filterPages(&$pages, $field, array $value)
{
foreach ($pages as $i => $page)
{
if (!in_array($page->$field, $value)) {
unset($pages[$i]);
}
}
}
/**
* Get a list of categories that are reachable by a list view page
*
* @return array
*/
protected function _getCategories()
{
if (self::$_categories === null)
{
$table = clone $this->getService('com://admin/docman.database.table.categories');
$query = $table->getDatabase()->getQuery();
// Gather the category slugs of active pages
$category_slugs = array();
$pages = $this->_getPages();
foreach ($pages as $page)
{
if ($page->query['view'] === 'list') {
$category_slugs[] = $page->query['slug'];
}
}
// Get a list of categories and their children
if ($category_slugs)
{
$query->select('tbl.slug, r.ancestor_id, r.descendant_id')
->from($table->getRelationTable().' AS r')
->join('left', $table->getName().' AS tbl', 'tbl.docman_category_id = r.ancestor_id')
->where('tbl.slug', 'IN', $category_slugs);
self::$_categories = $table->getDatabase()->select($query, KDatabase::FETCH_OBJECT_LIST);
}
else self::$_categories = array();
}
return self::$_categories;
}
/**
* Takes a category slug and returns the IDs of itself and all its children
*
* @param string $slug
*
* @return array
*/
protected function _getCategoryChildren($slug)
{
$return = array();
$categories = $this->_getCategories();
if (empty($slug)) {
return $return;
}
foreach ($categories as $category)
{
if ($category->slug === $slug) {
$return[] = (int) $category->descendant_id;
}
}
return $return;
}
/**
* Method to get a item
*
* @return object
*/
public function getItem()
{
return array_shift($this->getList());
}
/**
* Get a list of items
*
* @return object
*/
public function getList()
{
$pages = $this->_getPages();
$state = $this->getState();
if ($state->view) {
$this->_filterPagesByView($pages, (array) $state->view);
}
if ($state->id) {
$this->_filterPages($pages, 'id', (array) $state->id);
}
if ($state->alias) {
$this->_filterPages($pages, 'alias', (array) $state->alias);
}
return $pages;
}
/**
* Get the total amount of items
*
* @return int
*/
public function getTotal()
{
return count($this->_getPages());
}
}
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