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<?php
// $HeadURL: https://joomgallery.org/svn/joomgallery/JG-2.0/JG/trunk/administrator/components/com_joomgallery/models/configs.php $
// $Id: configs.php 3651 2012-02-19 14:36:46Z mab $
/****************************************************************************************\
** JoomGallery 2 **
** By: JoomGallery::ProjectTeam **
** Copyright (C) 2008 - 2012 JoomGallery::ProjectTeam **
** Based on: JoomGallery 1.0.0 by JoomGallery::ProjectTeam **
** Released under GNU GPL Public License **
** License: http://www.gnu.org/copyleft/gpl.html or have a look **
** at administrator/components/com_joomgallery/LICENSE.TXT **
\****************************************************************************************/
defined('_JEXEC') or die('Direct Access to this location is not allowed.');
/**
* Configs model
*
* @package JoomGallery
* @since 2.0
*/
class JoomGalleryModelConfigs extends JoomGalleryModel
{
/**
* Configs data array
*
* @access protected
* @var array
*/
var $_configs = null;
/**
* Configs number
*
* @access protected
* @var int
*/
var $_total = null;
/**
* Constructor
*
* @param array An optional associative array of configuration settings
* @return void
* @since 2.0
*/
public function __construct($config = array())
{
parent::__construct($config);
$this->filter_fields = array(
'id', 'c.id',
'title', 'g.title',
'lft', 'g.lft',
'ordering', 'c.ordering'
);
}
/**
* Retrieves the data of the categories
*
* @access public
* @return array Array of objects containing the categories data from the database
* @since 2.0
*/
function getConfigs()
{
// Let's load the data if it doesn't already exist
if(empty($this->_configs))
{
// Get the data of the categories which will actually be displayed
$query = $this->_buildQuery();
$this->_db->setQuery($query, $this->getState('list.start'), $this->getState('list.limit'));
$configs = $this->_db->loadObjectList('group_id');
$this->_configs = array();
foreach($configs as $key => $config)
{
// If there is at least one config row with a higher ordering value which belongs
// to a parent user group the current config row can/will never be applied to a user
if($this->getActiveParentConfigs($config->group_id, $config->ordering))
{
$config->usergroups = false;
continue;
}
// With the following code we want to get all user groups
// for which the current config row applies.
$subgroups = $this->getTree($config->group_id);
$config->usergroups = array();
$removing = false;
foreach($subgroups as $key => $subgroup)
{
// If the removing flag is set we won't store user groups
// which are children of the group stored in $removing
if($removing)
{
if($subgroup->rgt > $removing)
{
// If rgt of current group is greater than the
// stored one the complete sub-tree was parsed
$removing = false;
}
else
{
continue;
}
}
// If there is a config row for the current user group with a higher ordering value
// that one will be used for the current user group and all of its sub-groups
if(isset($configs[$subgroup->id]) && $configs[$subgroup->id]->ordering > $config->ordering)
{
$removing = $subgroup->rgt;
continue;
}
// If we reach this point the current config row will
// be applied to the current user group, so store it
$config->usergroups[] = $subgroup->title;
}
// Prepend the user group the config row belongs to
array_unshift($config->usergroups, $config->title);
}
$this->_configs = $configs;
}
return $this->_configs;
}
/**
* Method to get all available usergroups for which there isn't a config row yet
*
* @return array Array of all available usergroups without an existing config row
* @since 2.0
*/
public function getUsergroups()
{
$configs = $this->getConfigs();
$group_ids = array();
foreach($configs as $config)
{
$group_ids[] = $config->group_id;
}
$query = $this->_db->getQuery(true)
->select('a.id AS value, a.title AS text, COUNT(DISTINCT b.id) AS level')
->from('#__usergroups AS a')
->leftJoin('#__usergroups AS b ON a.lft > b.lft AND a.rgt < b.rgt')
->where('a.id NOT IN ('.implode(',', $group_ids).')')
->group('a.id')
->order('a.lft ASC');
$this->_db->setQuery($query);
try
{
$options = $this->_db->loadObjectList();
}
catch(DatabaseException $e)
{
$this->setError($this->_db->getErrorMsg());
return array();
}
foreach($options as $key => $option)
{
$option->text = str_repeat('- ', $option->level).$option ->text;
}
return $options;
}
/**
* Returns the number of config rows for parent groups of a specific user group
* which have a higher ordering value than that user group
*
* @param int The ID of the user group
* @param int The ordering value of the user group
* @return int The number of config rows which match the conditions above
* @since 2.0
*/
protected function getActiveParentConfigs($group, $ordering)
{
$query = $this->_db->getQuery(true)
->select('COUNT(c.id)')
->from('#__usergroups AS a')
->leftJoin('#__usergroups AS b ON b.lft BETWEEN a.lft AND a.rgt')
->leftJoin(_JOOM_TABLE_CONFIG.' AS c ON a.id = c.group_id')
->where('b.id = '.(int) $group)
->where('c.ordering > '.(int) $ordering)
->order('a.lft');
$this->_db->setQuery($query);
try
{
$subgroups = $this->_db->loadResult();
}
catch(DatabaseException $e)
{
$this->setError($e->getMessage());
return array();
}
return $subgroups;
}
/**
* Returns the sub-tree of groups for a specific user group
*
* @param int The ID of the user group
* @return array The sub-tree of the specified group
* @since 2.0
*/
protected function getTree($group)
{
$query = $this->_db->getQuery(true)
->select('a.id, a.rgt, a.title, c.id AS config_id, c.ordering')
->from('#__usergroups AS a')
->leftJoin('#__usergroups AS b ON a.lft > b.lft AND a.lft < b.rgt')
->leftJoin(_JOOM_TABLE_CONFIG.' AS c ON a.id = c.group_id')
->where('b.id = '.(int) $group)
->order('a.lft');
$this->_db->setQuery($query);
try
{
$subgroups = $this->_db->loadObjectList();
}
catch(DatabaseException $e)
{
$this->setError($e->getMessage());
return array();
}
return $subgroups;
}
/**
* Method to get the pagination object for the list.
* This method uses 'getTotel', 'getStart' and the current
* list limit of this view.
*
* @return object A pagination object
* @since 2.0
*/
function getPagination()
{
jimport('joomla.html.pagination');
return new JPagination($this->getTotal(), $this->getStart(), $this->getState('list.limit'));
}
/**
* Method to get the total number of categories
*
* @access public
* @return int The total number of categories
* @since 2.0
*/
function getTotal()
{
// Let's load the number of categories if it doesn't already exist
if(empty($this->_total))
{
$query = $this->_buildQuery();
$this->_total = $this->_getListCount($query);
}
return $this->_total;
}
/**
* Method to get the starting number of items for the data set.
*
* @return int The starting number of items available in the data set.
* @since 2.0
*/
public function getStart()
{
$start = $this->getState('list.start');
$limit = $this->getState('list.limit');
$total = $this->getTotal();
if($start > $total - $limit)
{
$start = max(0, (int)(ceil($total / $limit) - 1) * $limit);
}
return $start;
}
/**
* Method to auto-populate the model state.
*
* Note. Calling getState in this method will result in recursion.
*
* @param string An optional ordering field.
* @param string An optional direction (asc|desc).
* @return void
* @since 2.0
*/
protected function populateState($ordering = 'c.ordering', $direction = 'ASC')
{
$search = $this->getUserStateFromRequest('joom.configs.filter.search', 'filter_search');
$this->setState('filter.search', $search);
$type = $this->getUserStateFromRequest('joom.configs.filter.type', 'filter_type', '');
$this->setState('filter.type', $type);
$value = $this->getUserStateFromRequest('global.list.limit', 'limit', $this->_mainframe->getCfg('list_limit'));
$limit = $value;
$this->setState('list.limit', $limit);
$value = $this->getUserStateFromRequest('joom.configs.limitstart', 'limitstart', 0);
$limitstart = ($limit != 0 ? (floor($value / $limit) * $limit) : 0);
$this->setState('list.start', $limitstart);
// Check if the ordering field is in the white list, otherwise use the incoming value
$value = $this->getUserStateFromRequest('joom.configs.ordercol', 'filter_order', $ordering);
if(!in_array($value, $this->filter_fields))
{
$value = $ordering;
$this->_mainframe->setUserState('joom.configs.ordercol', $value);
}
$this->setState('list.ordering', $value);
// Check if the ordering direction is valid, otherwise use the incoming value
$value = $this->getUserStateFromRequest('joom.configs.orderdirn', 'filter_order_Dir', $direction);
if(!in_array(strtoupper($value), array('ASC', 'DESC', '')))
{
$value = $direction;
$this->_mainframe->setUserState('joom.configs.orderdirn', $value);
}
$this->setState('list.direction', $value);
}
/**
* Returns the query for listing the config rows
*
* @return object The query to be used to retrieve the config rows data from the database
* @since 2.0
*/
protected function _buildQuery()
{
// Create a new query object
$query = $this->_db->getQuery(true);
// Select the required fields from the table
$query->select('c.id, c.group_id, c.ordering')
->from(_JOOM_TABLE_CONFIG.' AS c');
// Join over the user groups
$query->select('g.title')
->leftJoin('#__usergroups AS g ON g.id = c.group_id');
// Add the level in the tree.
$query->select('COUNT(DISTINCT g2.id) AS level')
->leftJoin('#__usergroups AS g2 ON g.lft > g2.lft AND g.rgt < g2.rgt')
->group('g.id');
// Filter by search
$search = $this->getState('filter.search');
if(!empty($search))
{
if(stripos($search, 'id:') === 0)
{
$query->where('c.id = '.(int) substr($search, 3));
}
else
{
$search = $this->_db->Quote('%'.$this->_db->getEscaped($search, true).'%');
$query->where('LOWER(g.title) LIKE '.$search);
}
}
// Add the order clause
$query->order($this->_db->getEscaped($this->getState('list.ordering', 'c.ordering')).' '.$this->_db->getEscaped($this->getState('list.direction', 'ASC')));
return $query;
}
/**
* Propagates changes in settings to all config rows
*
* @param array Array of changed config settings
* @param int ID of the initially changed config row
* @param boolean Determines whether all changes shall be propagated (true) or only the global ones (false)
* @return boolean True on success, false otherwise
* @since 2.0
*/
public function propagateChanges($data, $id = 1, $all = false)
{
// Sanitise variables
$data = (array) $data;
if(!$id)
{
$id = 1;
}
$global_settings = $this->_getGlobalSettings();
// Unset fields which must not be changed
foreach($data as $key => $value)
{
if( strpos($key, 'jg_') !== 0
|| (!$all && !in_array($key, $global_settings)))
{
unset($data[$key]);
}
}
if(!count($data))
{
// Nothing to do
return true;
}
// Get the IDs of all config rows except the initially changed one
$query = $this->_db->getQuery(true)
->select('id')
->from(_JOOM_TABLE_CONFIG)
->where('id != '.$id);
$this->_db->setQuery($query);
try
{
$ids = $this->_db->loadResultArray();
}
catch(DatabaseException $e)
{
$this->setError($this->_db->getErrorMsg());
return false;
}
if(!count($ids))
{
// Nothing to do
return true;
}
$config = JoomConfig::getInstance('admin');
foreach($ids as $config_id)
{
if(!$config->save($data, $config_id))
{
$this->setError($config->getError());
return false;
}
}
return true;
}
/**
* Returns the names of settings which can't be different in different config rows
*
* @return array An array of global settings
* @since 2.0
*/
protected function _getGlobalSettings()
{
return array('jg_paththumbs', 'jg_pathimages', 'jg_pathoriginalimages', 'jg_pathtemp',
'jg_filenamewithjs', 'jg_filenamereplace',
'jg_thumbcreation', 'jg_fastgd2thumbcreation', 'jg_impath', 'jg_resizetomaxwidth', 'jg_maxwidth', 'jg_picturequality', 'jg_useforresizedirection', 'jg_cropposition', 'jg_thumbwidth', 'jg_thumbheight', 'jg_thumbquality',
'jg_download_unreg',
'jg_anoncomment', 'jg_namedanoncomment', 'jg_anonapprovecom',
'jg_report_unreg',
'jg_showuserpanel_unreg',
'jg_showcommentsunreg',
'jg_nameshields_unreg', 'jg_show_nameshields_unreg',
'jg_usefavouritesforpubliczip'
);
}
/**
* Gets the value of a user state variable and sets it in the session
* This is the same as the method in JApplication except that this also can optionally
* force you back to the first page when a filter has changed
*
* @param string The key of the user state variable.
* @param string The name of the variable passed in a request.
* @param string The default value for the variable if not found. Optional.
* @param string Filter for the variable, for valid values see {@link JFilterInput::clean()}. Optional.
* @param boolean If true, the limitstart in request is set to zero
* @return The requested user state.
* @since 2.0
*/
public function getUserStateFromRequest($key, $request, $default = null, $type = 'none', $resetPage = true)
{
$app = JFactory::getApplication();
$old_state = $app->getUserState($key);
$cur_state = (!is_null($old_state)) ? $old_state : $default;
$new_state = JRequest::getVar($request, null, 'default', $type);
if (($cur_state != $new_state) && ($resetPage)){
JRequest::setVar('limitstart', 0);
}
// Save the new value only if it was set in this request.
if ($new_state !== null) {
$app->setUserState($key, $new_state);
}
else {
$new_state = $cur_state;
}
return $new_state;
}
}