[Sommaire] [Imprimer]

   1  <?php
   2  
   3      lt_include( PLOG_CLASS_PATH.'class/action/admin/adminpostmanagementcommonaction.class.php' );
   4      lt_include( PLOG_CLASS_PATH.'class/view/viewarticleview.class.php' );
   5      lt_include( PLOG_CLASS_PATH.'class/dao/article.class.php' );
   6  
   7      /**
   8       * \ingroup Action
   9       * @private
  10       *
  11       * Action that will allow us to preview a post, using the blog's very own
  12       * template so that it looks and feels exactly like in the real blog, where it will
  13       * be finally shown when we save it.
  14       *
  15       * It works by creating a dummy article that does not exist in the database and then
  16       * using one of the blog views to show it.
  17       */
  18      class AdminPreviewPostAction extends AdminPostManagementCommonAction 
  19      {
  20  
  21          /**
  22           * Constructor. If nothing else, it also has to call the constructor of the parent
  23           * class, BlogAction with the same parameters
  24           */
  25          function AdminPreviewPostAction( $actionInfo, $request )
  26          {
  27              $this->AdminAction( $actionInfo, $request );
  28          }
  29          
  30          /**
  31           * loads a bunch of categories given their ids
  32           *
  33           * @param categoryIds
  34           */
  35          function _loadArticleCategories( $categoryIds )
  36          {
  37              $articleCategories = new ArticleCategories();
  38              $categories = Array();
  39              foreach( $categoryIds as $categoryId ) {
  40                  $category = $articleCategories->getCategory( $categoryId, $this->_blogInfo->getId());
  41                  if( $category )
  42                      array_push( $categories, $category );
  43              }
  44              
  45              return $categories;
  46          }
  47  
  48          /**
  49           * Carries out the specified action
  50           */
  51          function perform()
  52          {
  53              //print_r($_REQUEST);
  54              
  55              // fetch all the information that we need for the dummy Article object
  56              $this->_fetchCommonData();
  57              
  58              // and now, create a harmless Article object with it
  59              $postText = Textfilter::xhtmlize($this->_postText);
  60              // create the main object
  61              $article  = new Article( $this->_postTopic, 
  62                                       $postText, 
  63                                       $this->_postCategories,
  64                                       $this->_userInfo->getId(), 
  65                                       $this->_blogInfo->getId(), 
  66                                       POST_STATUS_PUBLISHED, 
  67                                       0, 
  68                                       Array(), 
  69                                       $this->_postSlug );
  70              // and a few more properties that we need to know about
  71              $this->_fetchPostDateInformation();
  72              $article->setDateObject( $this->_postTimestamp );
  73              // we will not allow comments because it wouldn't work!
  74              $article->setCommentsEnabled( false );
  75              $article->setFields( $this->_getArticleCustomFields());
  76              // the next two fields are also required in order to show an article
  77              $article->setUserInfo( $this->_userInfo );
  78              $article->setBlogInfo( $this->_blogInfo );
  79              $article->setCategories( $this->_loadArticleCategories( $this->_postCategories ));
  80              // and now trick the ViewArticleView class into thinking that we're showing
  81              // a real article just fetched from the database (even though it makes no difference
  82              // to the class itself whence the article came from :)
  83              
  84              // throw the EVENT_ARTICLE_PREVIEW event in case a plugin wants to do something with it
  85              $this->notifyEvent( EVENT_POST_PREVIEW, Array( "article" => &$article ));
  86              
  87              // the 'random' parameter in the array is to provide the view with a random view id
  88              // every time that we run the preview, otherwise when caching is enabled we would always be
  89              // getting the same page!!
  90              $this->_view = new ViewArticleView( $this->_blogInfo, Array( 'random' => md5(time())));
  91              $this->_view->setArticle( $article );
  92              //$this->setCommonData();
  93              
  94              return true;
  95          }
  96      }
  97  ?>