[Sommaire] [Imprimer]

   1  <?php
   2  /**
   3  * @version $Id: mosimage.php 5941 2006-12-06 12:43:29Z predator $
   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', 'botMosImage' );
  18  
  19  /**
  20  */
  21  function botMosImage( $published, &$row, &$params, $page=0 ) {
  22      global $database, $_MAMBOTS;
  23      
  24      // simple performance check to determine whether bot should process further
  25      if ( strpos( $row->text, 'mosimage' ) === false ) {
  26          return true;
  27      }
  28      
  29       // expression to search for
  30      $regex = '/{mosimage\s*.*?}/i';    
  31  
  32      // check whether mosimage has been disabled for page
  33      // check whether mambot has been unpublished
  34      if (!$published || !$params->get( 'image' )) {
  35          $row->text = preg_replace( $regex, '', $row->text );
  36          return true;
  37      }
  38      
  39      //count how many {mosimage} are in introtext if it is set to hidden.
  40      $introCount=0;
  41      if ( ! $params->get( 'introtext' ) & ! $params->get( 'intro_only') ) 
  42      {
  43          preg_match_all( $regex, $row->introtext, $matches );
  44          $introCount = count ( $matches[0] );
  45      }
  46  
  47      // find all instances of mambot and put in $matches
  48      preg_match_all( $regex, $row->text, $matches );
  49  
  50       // Number of mambots
  51      $count = count( $matches[0] );
  52  
  53       // mambot only processes if there are any instances of the mambot in the text
  54       if ( $count ) {
  55          // check if param query has previously been processed
  56          if ( !isset($_MAMBOTS->_content_mambot_params['mosimage']) ) {
  57              // load mambot params info
  58              $query = "SELECT params"
  59              . "\n FROM #__mambots"
  60              . "\n WHERE element = 'mosimage'"
  61              . "\n AND folder = 'content'"
  62              ;
  63              $database->setQuery( $query );
  64              $database->loadObject($mambot);
  65              
  66              // save query to class variable
  67              $_MAMBOTS->_content_mambot_params['mosimage'] = $mambot;
  68          }
  69  
  70          // pull query data from class variable
  71          $mambot = $_MAMBOTS->_content_mambot_params['mosimage'];
  72          
  73           $botParams = new mosParameters( $mambot->params );
  74  
  75           $botParams->def( 'padding' );
  76           $botParams->def( 'margin' );
  77           $botParams->def( 'link', 0 );
  78  
  79          $images     = processImages( $row, $botParams, $introCount );
  80  
  81          // store some vars in globals to access from the replacer
  82          $GLOBALS['botMosImageCount']     = 0;
  83          $GLOBALS['botMosImageParams']     =& $botParams;
  84          $GLOBALS['botMosImageArray']     =& $images;
  85          //$GLOBALS['botMosImageArray']     =& $combine;
  86          
  87          // perform the replacement
  88          $row->text = preg_replace_callback( $regex, 'botMosImage_replacer', $row->text );
  89  
  90          // clean up globals
  91          unset( $GLOBALS['botMosImageCount'] );
  92          unset( $GLOBALS['botMosImageMask'] );
  93          unset( $GLOBALS['botMosImageArray'] );
  94          unset( $GLOBALS['botJosIntroCount'] );
  95          return true;
  96      }
  97  }
  98  
  99  function processImages ( &$row, &$params, &$introCount ) {
 100      global $mosConfig_absolute_path, $mosConfig_live_site;
 101  
 102      $images         = array();
 103  
 104      // split on \n the images fields into an array
 105      $row->images     = explode( "\n", $row->images );
 106      $total             = count( $row->images );
 107  
 108      $start = $introCount; 
 109      for ( $i = $start; $i < $total; $i++ ) {
 110          $img = trim( $row->images[$i] );
 111  
 112          // split on pipe the attributes of the image
 113          if ( $img ) {
 114              $attrib = explode( '|', trim( $img ) );
 115              // $attrib[0] image name and path from /images/stories
 116  
 117              // $attrib[1] alignment
 118              if ( !isset($attrib[1]) || !$attrib[1] ) {
 119                  $attrib[1] = '';
 120              }
 121  
 122              // $attrib[2] alt & title
 123              if ( !isset($attrib[2]) || !$attrib[2] ) {
 124                  $attrib[2] = 'Image';
 125              } else {
 126                  $attrib[2] = htmlspecialchars( $attrib[2] );
 127              }
 128  
 129              // $attrib[3] border
 130              if ( !isset($attrib[3]) || !$attrib[3] ) {
 131                  $attrib[3] = 0;
 132              }
 133  
 134              // $attrib[4] caption
 135              if ( !isset($attrib[4]) || !$attrib[4] ) {
 136                  $attrib[4]    = '';
 137                  $border     = $attrib[3];
 138              } else {
 139                  $border     = 0;
 140              }
 141  
 142              // $attrib[5] caption position
 143              if ( !isset($attrib[5]) || !$attrib[5] ) {
 144                  $attrib[5] = '';
 145              }
 146  
 147              // $attrib[6] caption alignment
 148              if ( !isset($attrib[6]) || !$attrib[6] ) {
 149                  $attrib[6] = '';
 150              }
 151  
 152              // $attrib[7] width
 153              if ( !isset($attrib[7]) || !$attrib[7] ) {
 154                  $attrib[7]     = '';
 155                  $width         = '';
 156              } else {
 157                  $width         = ' width: '. $attrib[7] .'px;';
 158              }
 159  
 160              // image size attibutes
 161              $size = '';
 162              if ( function_exists( 'getimagesize' ) ) {
 163                  $size     = @getimagesize( $mosConfig_absolute_path .'/images/stories/'. $attrib[0] );
 164                  if (is_array( $size )) {
 165                      $size = ' width="'. $size[0] .'" height="'. $size[1] .'"';
 166                  }
 167              }
 168  
 169              // assemble the <image> tag
 170              $image = '<img src="'. $mosConfig_live_site .'/images/stories/'. $attrib[0] .'"'. $size;
 171              // no aligment variable - if caption detected
 172              if ( !$attrib[4] ) {
 173                  if ($attrib[1] == 'left' OR $attrib[1] == 'right') {
 174                      $image .= ' style="float: '. $attrib[1] .';"';
 175                  } else {
 176                      $image .= $attrib[1] ? ' align="middle"' : '';
 177                  }
 178              }
 179              $image .=' hspace="6" alt="'. $attrib[2] .'" title="'. $attrib[2] .'" border="'. $border .'" />';
 180  
 181              // assemble caption - if caption detected
 182              $caption = '';
 183              if ( $attrib[4] ) {                
 184                  $caption = '<div class="mosimage_caption"';
 185                  if ( $attrib[6] ) {
 186                      $caption .= ' style="text-align: '. $attrib[6] .';"';
 187                      $caption .= ' align="'. $attrib[6] .'"';
 188                  }
 189                  $caption .= '>';
 190                  $caption .= $attrib[4];
 191                  $caption .= '</div>';
 192              }
 193              
 194              // final output
 195              if ( $attrib[4] ) {
 196                  // initialize variables
 197                  $margin          = '';
 198                  $padding         = '';
 199                  $float            = '';
 200                  $border_width     = '';
 201                  $style            = '';
 202                  if ( $params->def( 'margin' ) ) {
 203                      $margin         = ' margin: '. $params->def( 'margin' ).'px;';
 204                  }                
 205                  if ( $params->def( 'padding' ) ) {
 206                      $padding         = ' padding: '. $params->def( 'padding' ).'px;';
 207                  }                
 208                  if ( $attrib[1] ) {
 209                      $float             = ' float: '. $attrib[1] .';';
 210                  }
 211                  if ( $attrib[3] ) {
 212                      $border_width    = ' border-width: '. $attrib[3] .'px;';
 213                  }
 214                  
 215                  if ( $params->def( 'margin' ) || $params->def( 'padding' ) || $attrib[1] || $attrib[3] ) {
 216                      $style = ' style="'. $border_width . $float . $margin . $padding . $width .'"';
 217                  }
 218                  
 219                  $img = '<div class="mosimage" '. $style .' align="center">'; 
 220  
 221                  // display caption in top position
 222                  if ( $attrib[5] == 'top' && $caption ) {
 223                      $img .= $caption;
 224                  }
 225  
 226                  $img .= $image;
 227  
 228                  // display caption in bottom position
 229                  if ( $attrib[5] == 'bottom' && $caption ) {
 230                      $img .= $caption;
 231                  }
 232                  $img .='</div>';
 233              } else {
 234                  $img = $image;
 235              }
 236  
 237              $images[] = $img;
 238          }
 239      }
 240  
 241      return $images;
 242  }
 243  
 244  /**
 245  * Replaces the matched tags an image
 246  * @param array An array of matches (see preg_match_all)
 247  * @return string
 248  */
 249  function botMosImage_replacer( &$matches ) {
 250      $i = $GLOBALS['botMosImageCount']++;
 251  
 252      return @$GLOBALS['botMosImageArray'][$i];
 253  }
 254  ?>