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   1  <?php
   2  /**
   3   * @copyright    Copyright (C) 2005 - 2012 Open Source Matters, Inc. All rights reserved.
   4   * @license        GNU General Public License version 2 or later; see LICENSE.txt
   5   */
   6  
   7  // No direct access.
   8  defined('_JEXEC') or die;
   9  
  10  jimport('joomla.application.component.modellist');
  11  
  12  /**
  13   * Modules Component Positions Model
  14   *
  15   * @package        Joomla.Administrator
  16   * @subpackage    com_modules
  17   * @since        1.6
  18   */
  19  class ModulesModelPositions extends JModelList
  20  {
  21      /**
  22       * Constructor.
  23       *
  24       * @param    array    An optional associative array of configuration settings.
  25       * @see        JController
  26       * @since    1.6
  27       */
  28  	public function __construct($config = array())
  29      {
  30          if (empty($config['filter_fields'])) {
  31              $config['filter_fields'] = array(
  32                  'value',
  33                  'templates',
  34              );
  35          }
  36  
  37          parent::__construct($config);
  38      }
  39  
  40      /**
  41       * Method to auto-populate the model state.
  42       *
  43       * Note. Calling getState in this method will result in recursion.
  44       *
  45       * @since    1.6
  46       */
  47  	protected function populateState($ordering = null, $direction = null)
  48      {
  49          // Initialise variables.
  50          $app = JFactory::getApplication('administrator');
  51  
  52          // Load the filter state.
  53          $search = $this->getUserStateFromRequest($this->context.'.filter.search', 'filter_search');
  54          $this->setState('filter.search', $search);
  55  
  56          $state = $this->getUserStateFromRequest($this->context.'.filter.state', 'filter_state', '', 'string');
  57          $this->setState('filter.state', $state);
  58  
  59          $clientId = JRequest::getInt('client_id', 0);
  60          $this->setState('filter.client_id', $clientId);
  61  
  62          $template = $this->getUserStateFromRequest($this->context.'.filter.template', 'filter_template', '', 'string');
  63          $this->setState('filter.template', $template);
  64  
  65          $type = $this->getUserStateFromRequest($this->context.'.filter.type', 'filter_type', '', 'string');
  66          $this->setState('filter.type', $type);
  67  
  68          // Load the parameters.
  69          $params = JComponentHelper::getParams('com_modules');
  70          $this->setState('params', $params);
  71  
  72          // List state information.
  73          parent::populateState('value', 'asc');
  74      }
  75  
  76      /**
  77       * Method to get an array of data items.
  78       *
  79       * @return    mixed    An array of data items on success, false on failure.
  80       * @since    1.6
  81       */
  82  	public function getItems()
  83      {
  84          if (!isset($this->items))
  85          {
  86              $lang                = JFactory::getLanguage();
  87              $search                = $this->getState('filter.search');
  88              $state                = $this->getState('filter.state');
  89              $clientId            = $this->getState('filter.client_id');
  90              $filter_template    = $this->getState('filter.template');
  91              $type                = $this->getState('filter.type');
  92              $ordering            = $this->getState('list.ordering');
  93              $direction            = $this->getState('list.direction');
  94              $limitstart            = $this->getState('list.start');
  95              $limit                = $this->getState('list.limit');
  96              $client                = JApplicationHelper::getClientInfo($clientId);
  97  
  98              if ($type!='template')
  99              {
 100                  // Get the database object and a new query object.
 101                  $query    = $this->_db->getQuery(true);
 102                  $query->select('DISTINCT(position) as value');
 103                  $query->from('#__modules');
 104                  $query->where($this->_db->quoteName('client_id').' = '.(int) $clientId);
 105                  if ($search) {
 106                      $query->where('position LIKE '.$this->_db->Quote('%'.$this->_db->escape($search, true).'%'));
 107                  }
 108  
 109                  $this->_db->setQuery($query);
 110                  $positions = $this->_db->loadObjectList('value');
 111                  // Check for a database error.
 112                  if ($error = $this->_db->getErrorMsg()) {
 113                      $this->setError($error);
 114                      return false;
 115                  }
 116                  foreach ($positions as $value=>$position) {
 117                      $positions[$value] = array();
 118                  }
 119              }
 120              else
 121              {
 122                  $positions=array();
 123              }
 124  
 125              // Load the positions from the installed templates.
 126              foreach (ModulesHelper::getTemplates($clientId) as $template)
 127              {
 128                  $path = JPath::clean($client->path.'/templates/'.$template->element.'/templateDetails.xml');
 129  
 130                  if (file_exists($path))
 131                  {
 132                      $xml = simplexml_load_file($path);
 133                      if (isset($xml->positions[0]))
 134                      {
 135                          $lang->load('tpl_'.$template->element.'.sys', $client->path, null, false, false)
 136                      ||    $lang->load('tpl_'.$template->element.'.sys', $client->path.'/templates/'.$template->element, null, false, false)
 137                      ||    $lang->load('tpl_'.$template->element.'.sys', $client->path, $lang->getDefault(), false, false)
 138                      ||    $lang->load('tpl_'.$template->element.'.sys', $client->path.'/templates/'.$template->element, $lang->getDefault(), false, false);
 139                          foreach ($xml->positions[0] as $position)
 140                          {
 141                              $value = (string)$position['value'];
 142                              $label = (string)$position;
 143                              if (!$value) {
 144                                  $value = $label;
 145                                  $label = preg_replace('/[^a-zA-Z0-9_\-]/', '_', 'TPL_'.$template->element.'_POSITION_'.$value);
 146                                  $altlabel = preg_replace('/[^a-zA-Z0-9_\-]/', '_', 'COM_MODULES_POSITION_'.$value);
 147                                  if (!$lang->hasKey($label) && $lang->hasKey($altlabel)) {
 148                                      $label = $altlabel;
 149                                  }
 150                              }
 151                              if ($type=='user' || ($state!='' && $state!=$template->enabled)) {
 152                                  unset($positions[$value]);
 153                              }
 154                              elseif (preg_match(chr(1).$search.chr(1).'i', $value) && ($filter_template=='' || $filter_template==$template->element)) {
 155                                  if (!isset($positions[$value])) {
 156                                      $positions[$value] = array();
 157                                  }
 158                                  $positions[$value][$template->name]=$label;
 159                              }
 160                          }
 161                      }
 162                  }
 163              }
 164              $this->total = count($positions);
 165              if ($limitstart >= $this->total) {
 166                  $limitstart = $limitstart < $limit ? 0 : $limitstart - $limit;
 167                  $this->setState('list.start', $limitstart);
 168              }
 169              if ($ordering == 'value') {
 170                  if ($direction == 'asc') {
 171                      ksort($positions);
 172                  }
 173                  else {
 174                      krsort($positions);
 175                  }
 176              }
 177              else {
 178                  if ($direction == 'asc') {
 179                      asort($positions);
 180                  }
 181                  else {
 182                      arsort($positions);
 183                  }
 184              }
 185              $this->items = array_slice($positions, $limitstart, $limit ? $limit : null);
 186          }
 187          return $this->items;
 188      }
 189  
 190      /**
 191       * Method to get the total number of items.
 192       *
 193       * @return    int    The total number of items.
 194       * @since    1.6
 195       */
 196  	public function getTotal()
 197      {
 198          if (!isset($this->total))
 199          {
 200              $this->getItems();
 201          }
 202          return $this->total;
 203      }
 204  }