[Sommaire] [Imprimer]

   1  <?php
   2  /**
   3  * @version $Id: mospaging.php 2576 2006-02-23 18:48:16Z stingrey $
   4  * @package Joomla
   5  * @copyright Copyright (C) 2005 Open Source Matters. All rights reserved.
   6  * @license http://www.gnu.org/copyleft/gpl.html 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  // no direct access
  15  defined( '_VALID_MOS' ) or die( 'Restricted access' );
  16  
  17  $_MAMBOTS->registerFunction( 'onPrepareContent', 'botMosPaging' );
  18  
  19  /**
  20  * Page break mambot
  21  *
  22  * <b>Usage:</b>
  23  * <code>{mospagebreak}</code>
  24  * <code>{mospagebreak title=The page title}</code>
  25  * or
  26  * <code>{mospagebreak heading=The first page}</code>
  27  * or
  28  * <code>{mospagebreak title=The page title&heading=The first page}</code>
  29  * or
  30  * <code>{mospagebreak heading=The first page&title=The page title}</code>
  31  *
  32  */
  33  function botMosPaging( $published, &$row, &$params, $page=0 ) {
  34      global $mainframe, $Itemid, $database, $_MAMBOTS;
  35  
  36      // simple performance check to determine whether bot should process further
  37      if ( strpos( $row->text, 'mospagebreak' ) === false ) {
  38          return true;
  39      }
  40      
  41       // expression to search for
  42       $regex = '/{(mospagebreak)\s*(.*?)}/i';
  43  
  44       // check whether mambot has been unpublished
  45      if (!$published || $params->get( 'intro_only' )|| $params->get( 'popup' )) {
  46          $row->text = preg_replace( $regex, '', $row->text );
  47          return;
  48      }
  49  
  50      // find all instances of mambot and put in $matches
  51      $matches = array();
  52      preg_match_all( $regex, $row->text, $matches, PREG_SET_ORDER );
  53  
  54      // split the text around the mambot
  55      $text = preg_split( $regex, $row->text );
  56  
  57      // count the number of pages
  58      $n = count( $text );
  59  
  60      // we have found at least one mambot, therefore at least 2 pages
  61      if ($n > 1) {
  62          // check if param query has previously been processed
  63          if ( !isset($_MAMBOTS->_content_mambot_params['mospaging']) ) {
  64              // load mambot params info
  65              $query = "SELECT params"
  66              . "\n FROM #__mambots"
  67              . "\n WHERE element = 'mospaging'"
  68              . "\n AND folder = 'content'"
  69              ;
  70              $database->setQuery( $query );
  71              $database->loadObject($mambot);        
  72              
  73              // save query to class variable
  74              $_MAMBOTS->_content_mambot_params['mospaging'] = $mambot;
  75          }
  76          
  77          // pull query data from class variable
  78          $mambot = $_MAMBOTS->_content_mambot_params['mospaging'];
  79          
  80           $botParams = new mosParameters( $mambot->params );
  81  
  82           $title    = $botParams->def( 'title', 1 );
  83  
  84           // adds heading or title to <site> Title
  85           if ( $title ) {
  86              $page_text = $page + 1;
  87              $row->page_title = _PN_PAGE .' '. $page_text;
  88              if ( !$page ) {
  89                  // processing for first page
  90                  parse_str( html_entity_decode( $matches[0][2] ), $args );
  91  
  92                  if ( @$args['heading'] ) {
  93                      //$row->page_title = $args['heading'];
  94                      $row->page_title = '';
  95                  } else {
  96                      $row->page_title = '';
  97                  }
  98              } else if ( $matches[$page-1][2] ) {
  99                  parse_str( html_entity_decode( $matches[$page-1][2] ), $args );
 100  
 101                  if ( @$args['title'] ) {
 102                      $row->page_title = ': '. stripslashes( $args['title'] );
 103                  }
 104              }
 105           }
 106  
 107          // reset the text, we already hold it in the $text array
 108          $row->text = '';
 109  
 110          $hasToc = $mainframe->getCfg( 'multipage_toc' );
 111  
 112          if ( $hasToc ) {
 113              // display TOC
 114              createTOC( $row, $matches, $page );
 115          } else {
 116              $row->toc = '';
 117          }
 118  
 119          // traditional mos page navigation
 120          require_once( $GLOBALS['mosConfig_absolute_path'] . '/includes/pageNavigation.php' );
 121          $pageNav = new mosPageNav( $n, $page, 1 );
 122  
 123          // page counter
 124          $row->text .= '<div class="pagenavcounter">';
 125          $row->text .= $pageNav->writeLeafsCounter();
 126          $row->text .= '</div>';
 127  
 128          // page text
 129          $row->text .= $text[$page];
 130  
 131          $row->text .= '<br />';
 132          $row->text .= '<div class="pagenavbar">';
 133  
 134          // adds navigation between pages to bottom of text
 135          if ( $hasToc ) {
 136              createNavigation( $row, $page, $n );
 137          }
 138  
 139          // page links shown at bottom of page if TOC disabled
 140          if (!$hasToc) {
 141              $row->text .= $pageNav->writePagesLinks( 'index.php?option=com_content&amp;task=view&amp;id='. $row->id .'&amp;Itemid='. $Itemid );
 142          }
 143  
 144          $row->text .= '</div><br />';
 145      }
 146  
 147      return true;
 148  }
 149  
 150  function createTOC( &$row, &$matches, &$page ) {
 151      global $Itemid;
 152  
 153      $nonseflink = 'index.php?option=com_content&amp;task=view&amp;id='. $row->id .'&amp;Itemid='. $Itemid;
 154      $link = 'index.php?option=com_content&amp;task=view&amp;id='. $row->id .'&amp;Itemid='. $Itemid;
 155      $link = sefRelToAbs( $link );
 156  
 157      $heading = $row->title;
 158      // allows customization of first page title by checking for `heading` attribute in first bot
 159      if ( @$matches[0][2] ) {
 160          parse_str( html_entity_decode( $matches[0][2] ), $args );
 161  
 162          if ( @$args['heading'] ) {
 163              $heading = $args['heading'];
 164              $row->title .= ' - '. $heading;
 165          }
 166      }
 167  
 168      // TOC Header
 169      $row->toc = '
 170      <table cellpadding="0" cellspacing="0" class="contenttoc" align="right">
 171      <tr>
 172          <th>'
 173          . _TOC_JUMPTO .
 174          '</th>
 175      </tr>
 176      ';
 177  
 178      // TOC First Page link
 179      $row->toc .= '
 180      <tr>
 181          <td>
 182          <a href="'. $link .'" class="toclink">'
 183          . $heading .
 184          '</a>
 185          </td>
 186      </tr>
 187      ';
 188  
 189      $i = 2;
 190      $args2 = array();
 191  
 192      foreach ( $matches as $bot ) {
 193          $link = $nonseflink .'&amp;limit=1&amp;limitstart='. ($i-1);
 194          $link = sefRelToAbs( $link );
 195  
 196          if ( @$bot[2] ) {
 197              parse_str( html_entity_decode( $bot[2] ), $args2 );
 198              
 199              if ( @$args2['title'] ) {
 200                  $row->toc .= '
 201                  <tr>
 202                      <td>
 203                      <a href="'. $link .'" class="toclink">'
 204                      . stripslashes( $args2['title'] ) .
 205                      '</a>
 206                      </td>
 207                  </tr>
 208                  ';
 209              } else {
 210                  $row->toc .= '
 211                  <tr>
 212                      <td>
 213                      <a href="'. $link .'" class="toclink">'
 214                      . _PN_PAGE .' '. $i .
 215                      '</a>
 216                      </td>
 217                  </tr>
 218                  ';
 219              }
 220          } else {
 221              $row->toc .= '
 222              <tr>
 223                  <td>
 224                  <a href="'. $link .'" class="toclink">'
 225                  . _PN_PAGE .' '. $i .
 226                  '</a>
 227                  </td>
 228              </tr>
 229              ';
 230          }
 231          $i++;
 232      }
 233  
 234      $row->toc .= '</table>';
 235  }
 236  
 237  function createNavigation( &$row, $page, $n ) {
 238      global $Itemid;
 239  
 240      $link = 'index.php?option=com_content&amp;task=view&amp;id='. $row->id .'&amp;Itemid='. $Itemid;
 241  
 242      if ( $page < $n-1 ) {
 243          $link_next = $link .'&amp;limit=1&amp;limitstart='. ( $page + 1 );
 244          $link_next = sefRelToAbs( $link_next );
 245  
 246          $next = '<a href="'. $link_next .'">' ._CMN_NEXT . _CMN_NEXT_ARROW .'</a>';
 247      } else {
 248          $next = _CMN_NEXT;
 249      }
 250  
 251      if ( $page > 0 ) {
 252          $link_prev = $link .'&amp;limit=1&amp;limitstart='. ( $page - 1 );
 253          $link_prev = sefRelToAbs( $link_prev );
 254  
 255          $prev = '<a href="'. $link_prev .'">'. _CMN_PREV_ARROW . _CMN_PREV .'</a>';
 256      } else {
 257          $prev = _CMN_PREV;
 258      }
 259  
 260      $row->text .= '<div>' . $prev . ' - ' . $next .'</div>';
 261  }
 262  ?>