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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 WeblinksBuildRoute(&$query)
  15  {
  16      static $items;
  17  
  18      $segments    = array();
  19      $itemid        = null;
  20  
  21      // Break up the weblink/category id into numeric and alias values.
  22      if (isset($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_weblinks');
  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          {
  49              foreach ($items as $item)
  50              {
  51                  // Check if this menu item links to this view.
  52                  if (isset($item->query['view']) && $item->query['view'] == 'weblink'
  53                      && isset($query['view']) && $query['view'] != 'category'
  54                      && isset($item->query['id']) && $item->query['id'] == $query['id'])
  55                  {
  56                      $itemid    = $item->id;
  57                  }
  58                  elseif (isset($item->query['view']) && $item->query['view'] == 'category'
  59                      && isset($query['view']) && $query['view'] != 'weblink'
  60                      && isset($item->query['catid']) && $item->query['catid'] == $query['catid'])
  61                  {
  62                      $itemid    = $item->id;
  63                  }
  64              }
  65          }
  66  
  67          // If no specific link has been found, search for a general one.
  68          if (!$itemid)
  69          {
  70              foreach ($items as $item)
  71              {
  72                  if (isset($query['view']) && $query['view'] == 'weblink'
  73                      && isset($item->query['view']) && $item->query['view'] == 'category'
  74                      && isset($item->query['id']) && isset($query['catid'])
  75                      && $query['catid'] == $item->query['id'])
  76                  {
  77                      // This menu item links to the weblink view but we need to append the weblink id to it.
  78                      $itemid        = $item->id;
  79                      $segments[]    = isset($query['catalias']) ? $query['catid'].':'.$query['catalias'] : $query['catid'];
  80                      $segments[]    = isset($query['alias']) ? $query['id'].':'.$query['alias'] : $query['id'];
  81                      break;
  82                  }
  83                  elseif (isset($query['view']) && $query['view'] == 'category'
  84                      && isset($item->query['view']) && $item->query['view'] == 'category'
  85                      && isset($item->query['id']) && isset($query['id']) && $item->query['id'] == $query['id'])
  86                  {
  87                      // This menu item links to the category view but we need to append the category id to it.
  88                      $itemid        = $item->id;
  89                      $segments[]    = isset($query['alias']) ? $query['id'].':'.$query['alias'] : $query['id'];
  90                      break;
  91                  }
  92  
  93              }
  94          }
  95  
  96          // Search for an even more general link.
  97          if (!$itemid)
  98          {
  99              foreach ($items as $item)
 100              {
 101                  if (isset($query['view']) && $query['view'] == 'weblink' && isset($item->query['view'])
 102                      && $item->query['view'] == 'categories' && isset($query['catid']) && isset($query['id']))
 103                  {
 104                      // This menu item links to the categories view but we need to append the category and weblink id to it.
 105                      $itemid        = $item->id;
 106                      $segments[]    = isset($query['catalias']) ? $query['catid'].':'.$query['catalias'] : $query['catid'];
 107                      $segments[]    = isset($query['alias']) ? $query['id'].':'.$query['alias'] : $query['id'];
 108                      break;
 109                  }
 110                  elseif (isset($query['view']) && $query['view'] == 'category' && isset($item->query['view'])
 111                      && $item->query['view'] == 'categories' && !isset($query['catid']))
 112                  {
 113                      // This menu item links to the categories view but we need to append the category id to it.
 114                      $itemid        = $item->id;
 115                      $segments[]    = isset($query['alias']) ? $query['id'].':'.$query['alias'] : $query['id'];
 116                      break;
 117                  }
 118              }
 119          }
 120      }
 121  
 122      // Check if the router found an appropriate itemid.
 123      if (!$itemid)
 124      {
 125          // Check if a category was specified
 126          if (isset($query['view']) && $query['view'] == 'category' && isset($query['id']))
 127          {
 128              if (isset($query['alias'])) {
 129                  $query['id'] .= ':'.$query['alias'];
 130              }
 131  
 132              // Push the catid onto the stack.
 133              $segments[] = $query['id'];
 134  
 135              unset($query['view']);
 136              unset($query['id']);
 137              unset($query['alias']);
 138          }
 139          // Check if a id was specified.
 140          elseif (isset($query['id']))
 141          {
 142              if (isset($query['catalias'])) {
 143                  $query['catid'] .= ':'.$query['catalias'];
 144              }
 145  
 146              // Push the catid onto the stack.
 147              $segments[] = $query['catid'];
 148  
 149  
 150              if (isset($query['alias'])) {
 151                  $query['id'] .= ':'.$query['alias'];
 152              }
 153  
 154              // Push the id onto the stack.
 155              $segments[] = $query['id'];
 156              unset($query['view']);
 157              unset($query['id']);
 158              unset($query['alias']);
 159              unset($query['catid']);
 160              unset($query['catalias']);
 161          }
 162          elseif (isset($query['catid']))
 163          {
 164              if (isset($query['alias'])) {
 165                  $query['catid'] .= ':'.$query['catalias'];
 166              }
 167  
 168              // Push the catid onto the stack.
 169              $segments[]    = 'category';
 170              $segments[] = $query['catid'];
 171              unset($query['view']);
 172              unset($query['catid']);
 173              unset($query['catalias']);
 174              unset($query['alias']);
 175          }
 176          else
 177          {
 178              // Categories view.
 179              unset($query['view']);
 180          }
 181      }
 182      else
 183      {
 184          $query['Itemid'] = $itemid;
 185  
 186          // Remove the unnecessary URL segments.
 187          unset($query['view']);
 188          unset($query['id']);
 189          unset($query['alias']);
 190          unset($query['catid']);
 191          unset($query['catalias']);
 192      }
 193  
 194      return $segments;
 195  }
 196  
 197  function WeblinksParseRoute($segments)
 198  {
 199      $vars    = array();
 200  
 201      // Get the active menu item.
 202      $menu    = &JSite::getMenu();
 203      $item    = &$menu->getActive();
 204  
 205      // Check if we have a valid menu item.
 206      if (is_object($item))
 207      {
 208          // Proceed through the possible variations trying to match the most specific one.
 209          if (isset($item->query['view']) && $item->query['view'] == 'weblink' && isset($segments[0]))
 210          {
 211              // Contact view.
 212              $vars['view']    = 'weblink';
 213              $vars['id']        = $segments[0];
 214          }
 215          elseif (isset($item->query['view']) && $item->query['view'] == 'category' && count($segments) == 2)
 216          {
 217              // Weblink view.
 218              $vars['view']    = 'weblink';
 219              $vars['id']        = $segments[1];
 220              $vars['catid']    = $segments[0];
 221          }
 222          elseif (isset($item->query['view']) && $item->query['view'] == 'category' && isset($segments[0]))
 223          {
 224              // Category view.
 225              $vars['view']    = 'category';
 226              $vars['id']        = $segments[0];
 227          }
 228          elseif (isset($item->query['view']) && $item->query['view'] == 'categories' && count($segments) == 2)
 229          {
 230              // Weblink view.
 231              $vars['view']    = 'weblink';
 232              $vars['id']        = $segments[1];
 233              $vars['catid']    = $segments[0];
 234          }
 235          elseif (isset($item->query['view']) && $item->query['view'] == 'categories' && isset($segments[0]))
 236          {
 237              // Category view.
 238              $vars['view']    = 'category';
 239              $vars['id']        = $segments[0];
 240          }
 241      }
 242      else
 243      {
 244          // Count route segments
 245          $count = count($segments);
 246  
 247          // Check if there are any route segments to handle.
 248          if ($count)
 249          {
 250              if ($count == 2)
 251              {
 252                  // We are viewing a weblink.
 253                  $vars['view']    = 'weblink';
 254                  $vars['catid']    = $segments[$count-2];
 255                  $vars['id']        = $segments[$count-1];
 256              }
 257              else
 258              {
 259                  // We are viewing a category.
 260                  $vars['view']    = 'category';
 261                  $vars['id']    = $segments[$count-1];
 262              }
 263          }
 264      }
 265  
 266      return $vars;
 267  }