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   1  <?php
   2  /**
   3  * @version        $Id: router.php 14401 2010-01-26 14:10:00Z louis $
   4  * @package        Joomla
   5  * @copyright    Copyright (C) 2005 - 2010 Open Source Matters. All rights reserved.
   6  * @license        GNU/GPL, see LICENSE.php
   7  * Joomla! is free software. This version may have been modified pursuant
   8  * to the GNU General Public License, and as distributed it includes or
   9  * is derivative of works licensed under the GNU General Public License or
  10  * other free or open source software licenses.
  11  * See COPYRIGHT.php for copyright notices and details.
  12  */
  13  
  14  function NewsfeedsBuildRoute(&$query)
  15  {
  16      static $items;
  17  
  18      $segments    = array();
  19      $itemid        = null;
  20  
  21      // Break up the newsfeed id into numeric and alias values.
  22      if (isset($query['id']) && strpos($query['id'], ':')) {
  23          list($query['id'], $query['alias']) = explode(':', $query['id'], 2);
  24      }
  25  
  26      // Break up the category id into numeric and alias values.
  27      if (isset($query['catid']) && strpos($query['catid'], ':')) {
  28          list($query['catid'], $query['catalias']) = explode(':', $query['catid'], 2);
  29      }
  30  
  31      // Get the menu items for this component.
  32      if (!$items) {
  33          $component    = &JComponentHelper::getComponent('com_newsfeeds');
  34          $menu        = &JSite::getMenu();
  35          $items        = $menu->getItems('componentid', $component->id);
  36      }
  37  
  38      // Search for an appropriate menu item.
  39      if (is_array($items))
  40      {
  41          // If only the option and itemid are specified in the query, return that item.
  42          if (!isset($query['view']) && !isset($query['id']) && !isset($query['catid']) && isset($query['Itemid'])) {
  43              $itemid = (int) $query['Itemid'];
  44          }
  45  
  46          // Search for a specific link based on the critera given.
  47          if (!$itemid) {
  48              foreach ($items as $item)
  49              {
  50                  // Check if this menu item links to this view.
  51                  if (isset($item->query['view']) && $item->query['view'] == 'newsfeed'
  52                      && isset($query['view']) && $query['view'] != 'category'
  53                      && isset($item->query['id']) && isset($query['id']) && $item->query['id'] == $query['id'])
  54                  {
  55                      $itemid    = $item->id;
  56                  }
  57                  elseif (isset($item->query['view']) && $item->query['view'] == 'category'
  58                          && isset($query['view']) && $query['view'] != 'newsfeed'
  59                          && isset($item->query['catid']) && $item->query['catid'] == $query['catid'])
  60                  {
  61                      $itemid    = $item->id;
  62                  }
  63              }
  64          }
  65  
  66          // If no specific link has been found, search for a general one.
  67          if (!$itemid) {
  68              foreach ($items as $item)
  69              {
  70                  //var_dump($item->query);
  71                  if (isset($query['view']) && $query['view'] == 'newsfeed'
  72                      && isset($item->query['view']) && $item->query['view'] == 'category'
  73                      && isset($item->query['id']) && isset($query['catid'])
  74                      && $query['catid'] == $item->query['id'])
  75                  {
  76                      // This menu item links to the newsfeed view but we need to append the newsfeed id to it.
  77                      $itemid        = $item->id;
  78                      $segments[]    = isset($query['catalias']) ? $query['catid'].':'.$query['catalias'] : $query['catid'];
  79                      $segments[]    = isset($query['alias']) ? $query['id'].':'.$query['alias'] : $query['id'];
  80                      break;
  81                  }
  82                  elseif (isset($query['view']) && $query['view'] == 'category'
  83                      && isset($item->query['view']) && $item->query['view'] == 'category'
  84                      && isset($item->query['id']) && isset($query['id']) && $item->query['id'] != $query['id'])
  85                  {
  86                      // This menu item links to the category view but we need to append the category id to it.
  87                      $itemid        = $item->id;
  88                      $segments[]    = isset($query['alias']) ? $query['id'].':'.$query['alias'] : $query['id'];
  89                      break;
  90                  }
  91  
  92              }
  93          }
  94  
  95          // Search for an even more general link.
  96          if (!$itemid)
  97          {
  98              foreach ($items as $item)
  99              {
 100                  if (isset($query['view']) && $query['view'] == 'newsfeed' && isset($item->query['view'])
 101                      && $item->query['view'] == 'categories' && isset($query['catid']) && isset($query['id']))
 102                  {
 103                      // This menu item links to the categories view but we need to append the category and newsfeed id to it.
 104                      $itemid        = $item->id;
 105                      $segments[]    = isset($query['catalias']) ? $query['catid'].':'.$query['catalias'] : $query['catid'];
 106                      $segments[]    = isset($query['alias']) ? $query['id'].':'.$query['alias'] : $query['id'];
 107                      break;
 108                  }
 109                  elseif (isset($query['view']) && $query['view'] == 'category' && isset($item->query['view'])
 110                      && $item->query['view'] == 'categories' && !isset($query['catid']))
 111                  {
 112                      // This menu item links to the categories view but we need to append the category id to it.
 113                      $itemid        = $item->id;
 114                      $segments[]    = isset($query['alias']) ? $query['id'].':'.$query['alias'] : $query['id'];
 115                      break;
 116                  }
 117              }
 118          }
 119      }
 120  
 121      // Check if the router found an appropriate itemid.
 122      if (!$itemid)
 123      {
 124          // Check if a id was specified.
 125          if (isset($query['id']))
 126          {
 127              if (isset($query['alias'])) {
 128                  $query['id'] .= ':'.$query['alias'];
 129              }
 130  
 131              // Push the id onto the stack.
 132              $segments[] = $query['id'];
 133              unset($query['view']);
 134              unset($query['id']);
 135              unset($query['alias']);
 136          }
 137          elseif (isset($query['catid']))
 138          {
 139              if (isset($query['alias'])) {
 140                  $query['catid'] .= ':'.$query['catalias'];
 141              }
 142  
 143              // Push the catid onto the stack.
 144              $segments[]    = 'category';
 145              $segments[] = $query['catid'];
 146              unset($query['view']);
 147              unset($query['catid']);
 148              unset($query['catalias']);
 149              unset($query['alias']);
 150          }
 151          else
 152          {
 153              // Categories view.
 154              unset($query['view']);
 155          }
 156      }
 157      else
 158      {
 159          $query['Itemid'] = $itemid;
 160  
 161          // Remove the unnecessary URL segments.
 162          unset($query['view']);
 163          unset($query['id']);
 164          unset($query['alias']);
 165          unset($query['catid']);
 166          unset($query['catalias']);
 167      }
 168  
 169      return $segments;
 170  }
 171  
 172  function NewsfeedsParseRoute($segments)
 173  {
 174      $vars    = array();
 175  
 176      // Get the active menu item.
 177      $menu    = &JSite::getMenu();
 178      $item    = &$menu->getActive();
 179  
 180      // Check if we have a valid menu item.
 181      if (is_object($item))
 182      {
 183          // Proceed through the possible variations trying to match the most specific one.
 184          if (isset($item->query['view']) && $item->query['view'] == 'newsfeed' && isset($segments[0]))
 185          {
 186              // Contact view.
 187              $vars['view']    = 'newsfeed';
 188              $vars['id']        = $segments[0];
 189          }
 190          elseif (isset($item->query['view']) && $item->query['view'] == 'category' && count($segments) == 2)
 191          {
 192              // Newsfeed view.
 193              $vars['view']    = 'newsfeed';
 194              $vars['id']        = $segments[1];
 195              $vars['catid']    = $segments[0];
 196          }
 197          elseif (isset($item->query['view']) && $item->query['view'] == 'category' && isset($segments[0]))
 198          {
 199              // Category view.
 200              $vars['view']    = 'category';
 201              $vars['id']        = $segments[0];
 202          }
 203          elseif (isset($item->query['view']) && $item->query['view'] == 'categories' && count($segments) == 2)
 204          {
 205              // Newsfeed view.
 206              $vars['view']    = 'newsfeed';
 207              $vars['id']        = $segments[1];
 208              $vars['catid']    = $segments[0];
 209          }
 210          elseif (isset($item->query['view']) && $item->query['view'] == 'categories' && isset($segments[0]))
 211          {
 212              // Category view.
 213              $vars['view']    = 'category';
 214              $vars['id']        = $segments[0];
 215          }
 216      }
 217      else
 218      {
 219          // Count route segments
 220          $count = count($segments);
 221  
 222          // Check if there are any route segments to handle.
 223          if ($count)
 224          {
 225              if (count($segments[0]) == 2)
 226              {
 227                  // We are viewing a newsfeed.
 228                  $vars['view']    = 'newsfeed';
 229                  $vars['id']        = $segments[$count-2];
 230                  $vars['catid']    = $segments[$count-1];
 231  
 232              }
 233              else
 234              {
 235                  // We are viewing a category.
 236                  $vars['view']    = 'category';
 237                  $vars['catid']    = $segments[$count-1];
 238              }
 239          }
 240      }
 241  
 242      return $vars;
 243  }
 244  ?>