Mambo API

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   1  <?php
   2  /**
   3  * @package Mambo
   4  * @author Mambo Foundation Inc see README.php
   5  * @copyright (C) 2000 - 2009 Mambo Foundation Inc.
   6  * See COPYRIGHT.php for copyright notices and details.
   7  * @license GNU/GPL Version 2, see LICENSE.php
   8  *
   9  * Redistributions of files must retain the above copyright notice.
  10  *
  11  * Mambo is free software; you can redistribute it and/or
  12  * modify it under the terms of the GNU General Public License
  13  * as published by the Free Software Foundation; version 2 of the License.
  14  */
  15  
  16  /** ensure this file is being included by a parent file */
  17  defined( '_VALID_MOS' ) or die( 'Direct Access to this location is not allowed.' );
  18  
  19  $_MAMBOTS->registerFunction( 'onPrepareContent', 'botMosLoadPosition' );
  20  
  21  /**
  22  * Mambot that loads module positions within content
  23  */
  24  function botMosLoadPosition( $published, &$row, &$cparams, $page=0, $params ) {
  25      global $database;
  26      
  27       // expression to search for
  28       $regex = '/{mosloadposition\s*.*?}/i';
  29        
  30      if (is_callable(array($row, 'getText'))) $localtext = $row->getText();
  31      else $localtext = $row->text;
  32       // find all instances of mambot and put in $matches
  33      preg_match_all( $regex, $localtext, $matches );
  34      
  35      // Number of mambots
  36       $count = count( $matches[0] );
  37  
  38       // mambot only processes if there are any instances of the mambot in the text
  39       if ( $count ) {
  40       
  41          // load mambot params info
  42          /*$query = "SELECT id FROM #__mambots WHERE element = 'mosloadposition' AND folder = 'content'";
  43          $database->setQuery( $query );
  44          $id     = $database->loadResult();
  45          $mambot = new mosMambot( $database );
  46          $mambot->load( $id );*/
  47          $mambots =& mosMambotHandler::getInstance();
  48          $mambot = $mambots->getBot('mosloadposition','content');
  49          $params =& new mosParameters( (isset($mambot->params)?$mambot->params:'') );
  50          
  51          $style    = $params->def( 'style', -2 );
  52  
  53           processPositions( $localtext, $matches, $count, $regex, $style );
  54      }
  55      // Save the results of processing
  56      if (is_callable(array($row, 'saveText'))) $row->saveText($localtext);
  57      else $row->text = $localtext;
  58  
  59  }
  60  
  61  function processPositions ( &$text, &$matches, $count, $regex, $style ) {
  62      global $database;
  63      
  64      $query = "SELECT position"
  65      . "\n FROM #__template_positions"
  66      . "\n ORDER BY position"
  67      ;
  68      $database->setQuery( $query );
  69       $positions     = $database->loadResultArray();
  70  
  71       for ( $i=0; $i < $count; $i++ ) {
  72           $load = str_replace( 'mosloadposition', '', $matches[0][$i] );
  73           $load = str_replace( '{', '', $load );
  74           $load = str_replace( '}', '', $load );
  75           $load = trim( $load );
  76          
  77          foreach ( $positions as $position ) {
  78               if ( $position == @$load ) {                     
  79                  $modules    = loadPosition( $load, $style );                    
  80                  $text     = preg_replace( '{'. $matches[0][$i] .'}', $modules, $text );
  81                  break;            
  82               }                 
  83           }
  84       }
  85  
  86        // removes tags without matching module positions
  87      $text = preg_replace( $regex, '', $text );
  88  }
  89  
  90  function loadPosition( $position, $style=-2 ) {
  91      $modules = '';
  92      if ( mosCountModules( $position ) ) {
  93          ob_start();
  94          mosLoadModules ( $position, $style );
  95          $modules = ob_get_contents();
  96          ob_end_clean();
  97      }
  98  
  99      return $modules;
 100  }
 101