HtmlDomRenderer.class.php

gehe zur Dokumentation dieser Datei

<?php

class HtmlDomRenderer
{
     var $linkedObjectIds = array();
     
     var $footnotes       = array();

     var $encodeHtml = false;
     
     var $path       = array();
     
     var $domId      = '';
     
     
     function renderElement( $child )
     {
          global $conf;
          
          $this->path[] = $child;
          
          $val  = '';
//        $val  = '<br/>';
//        foreach( $this->path as $p )
//             $val .= '&nbsp;&nbsp;&nbsp;&nbsp;';

//        $val .= '<a href="#'.$this->getPathAsString().'">_</a>';
               
                    $attr = array();
                    $praefix = '';
                    $suffix  = '';
                    $empty   = false;

                    if   ( count($child->children) > 0 )
                    {
                         $subChild1 = $child->children[0];
                         
                         if   ( !empty($subChild1->class) )
                              $attr['class'] = $subChild1->class;
                         
                         if   ( !empty($subChild1->style) )
                              $attr['style'] = $subChild1->style;
                         
                         if   ( !empty($subChild1->title) )
                              $attr['title'] = $subChild1->title;
                    }

                    $praefix .= lang('TEXT_MARKUP_'.strtoupper(substr(get_class($child),0,-7)));
                    
                    switch( strtolower(get_class($child)) )
                    {
                         case 'rawelement':
                              $tag = '';
                              $val = $child->src;
                              
                              break;

                         case 'textelement':
                              $tag = 'text';

                              $val .= $child->text;
                              
                              break;


                         case 'linkelement':
                              
                              $tag = 'a';
                              if   ( !empty($child->name) )
                                   $attr['name'] = $child->name;
                              else
                                   $attr['href'] = htmlspecialchars($child->getUrl());

                              if   ( Object::available( $child->objectId ) )
                              {
                                   $file = new File( $child->objectId );
                                   $file->load();
                                   $attr['title'] = $file->description;
                                   unset( $file );
                              }

                              break;

                         case 'imageelement':
                              $empty       = true;
                              $attr['alt'] = '';
                              
                              if   ( ! Object::available( $child->objectId ) )
                              {
                                   $tag = '';
                              }
                              elseif    ( empty($attr['title']) )
                              {
                                   $tag = 'img';
                                   $attr['src']    = $child->getUrl();
                                   $attr['border'] = '0';
                                   
                                   // Breite/H�he des Bildes bestimmen.
                                   $image = new File( $child->objectId );
                                   
                                   $image->load();
                                   $attr['alt'   ]    = $image->name;
                                   $attr['title' ]    = $image->description;
                                   
                                   $image->getImageSize();
                                   $attr['width' ]    = $image->width;
                                   $attr['height']    = $image->height;
                                   unset($image);
                              }
                              else
                              {
                                   $tag = 'dl';
                                   
                                   if   ( empty($attr['class']) )
                                        $attr['class'] = "image";
                                        
                                   $child->children = array();
                                   $dt = new DefinitionListItemElement();
                                   $dt->children[] = new TextElement('(image)');
                                   $dt->children[] = $child;
                                   $child->children[] = $dt;

                                   $dd = new DefinitionListEntryElement();
                                   $dd->children[] = new TextElement('(image)');
                                   $dd->children[] = new TextElement($attr['title']);
                                   $child->children[] = $dd;
                              }
                              $suffix = '<img src="./themes/default/images/editor/image.png">';
                              break;

                         case 'strongelement':
                              $tag = 'strong';
                              break;

                         case 'emphaticelement':
                              $tag = 'em';
                              break;

                         case 'insertedelement':
                              $tag = 'ins';
                              break;

                         case 'removedelement':
                              $tag = 'del';
                              break;

                         case 'headlineelement':
                              $tag = 'h'.$child->level;
                              
                              $l = new LinkElement();
                              $l->name = $child->getName();
                              $child->children[] = $l;
                              
                              break;

                         case 'tableelement':
                              $tag = 'table';
                              break;

                         case 'tablelineelement':
                              $tag = 'tr';
                              break;

                         case 'definitionlistelement':
                              $items = $child->children;
                              $newChildren = array();
                              foreach( $items as $item )
                              {
                                   $def = new DefinitionItemElement();
                                   $def->key = $item->key;
                                   $item->key = ''; 
                                   $newChildren[] = $def;
                                   $newChildren[] = $item;
                              }
//                            Html::debug($newChildren,'Children-neu');
                              $child->children = $newChildren;
                              $tag = 'dl';
                              break;

                         case 'definitionitemelement':
                              if   ( !empty($child->key) )
                              {
                                   $tag = 'dt';
                                   $val = $child->key;
                              }
                              else
                              {
                                   $tag = 'dd';
                              }
                              break;

                         case 'tablecellelement':
                              if   ( $child->isHeading )
                                   $tag = 'th'; else $tag = 'td';
                                   
                              if   ( $child->rowSpan > 1 )
                                   $attr['rowspan'] = $child->rowSpan;
                              if   ( $child->colSpan > 1 )
                                   $attr['colspan'] = $child->colSpan;
                              break;

                         case 'listelement':
                              $tag = 'ul';
                              break;
                              
                         case 'teletypeelement':
                              $tag = 'code';
                              break;
                              
                         case 'numberedlistelement':
                              $tag = 'ol';
                              break;
                              
                         case 'listentryelement':
                              $tag = 'li';
                              break;

                         default:
                              
                    }                   

                    $val = $this->renderValue($val);
                    $val = $praefix.$val.$suffix;
                    
                    if   ( count($child->children)>0 )
                    {
                         $val .= '<ul>';
                         foreach( $child->children as $c )
                         {
                              $val .= $this->renderElement( $c );
                         }
                         $val .= '</ul>';
                    }

//                  echo "text:$val";

                    unset( $this->path[ count($this->path)-1 ] );
                    return '<li>'.$val.'</li>';
     }



     function renderValue( $value )
     {
          $val = '&nbsp;<em>'.$value.'</em>';
          return $val;
     }

     
     
     function render()
     {
          $this->renderedText = '';
          $this->footnotes    = array();
          
          foreach( $this->children as $child )
               $this->renderedText .= '<ul>'.$this->renderElement( $child ).'</ul>';

          foreach( $this->footnotes as $child )
               $this->renderedText .= '<ul>'.$this->renderElement( $child ).'</ul>';
               
          return $this->renderedText;
     }
     
     
     function getPathAsString()
     {
          $path = array();
          foreach( $this->path as $p )
          {
               $path[] = strtolower( substr(get_class($p),0,-7) );
          }
          
          return implode('_',$path);
     }
}

?>