Changeset 407:eb5bd0f66932

Timestamp:

06/23/11 13:00:59 (14 years ago)

Author:

Dsls <dsls@…>

Branch:

default

Message:

• Re-enabled blank post_type required by media.php in class dcBlog
• Attachments are now handled by a plugins/attachments/_admin.php
• Added core dcPostMedia multi-purpose class, and 'link_type' in post_media table
• Added new behavior : tplIfConditions, to enable to add new attributes to tpl:XXXIf tags
• Moved tpl:SysIf has_tag attribute to Tags plugin

Files:

• admin/media.php (modified) (2 diffs)
• admin/post.php (modified) (4 diffs)
• inc/core/class.dc.blog.php (modified) (1 diff)
• inc/core/class.dc.core.php (modified) (2 diffs)
• inc/core/class.dc.media.php (modified) (5 diffs)
• inc/core/class.dc.postmedia.php (added)
• inc/dbschema/db-schema.php (modified) (2 diffs)
• inc/prepend.php (modified) (1 diff)
• inc/public/class.dc.template.php (modified) (16 diffs)
• plugins/attachments/_admin.php (added)
• plugins/attachments/_define.php (added)
• plugins/attachments/_public.php (added)
• plugins/tags/_public.php (modified) (2 diffs)

admin/media.php

@@ -60 +60 @@
 $post_id = !empty($_GET['post_id']) ? (integer) $_GET['post_id'] : null;
 if ($post_id) {
-     $post = $core->blog->getPosts(array('post_id'=>$post_id,'post_type'=>''));
+     $post = $core->blog->getPosts(array('post_id'=>$post_id));
      if ($post->isEmpty()) {
           $post_id = null;
@@ -68 +68 @@
      unset($post);
 }
-
 $d = isset($_REQUEST['d']) ? $_REQUEST['d'] : null;
 $dir = null;

admin/post.php

@@ -32 +32 @@
 $post_open_comment = $core->blog->settings->system->allow_comments;
 $post_open_tb = $core->blog->settings->system->allow_trackbacks;
-
-$post_media = array();
 
 $page_title = __('New entry');
@@ -146 +144 @@
           try {
                $core->media = new dcMedia($core);
-               $post_media = $core->media->getPostMedia($post_id);
           } catch (Exception $e) {}
      }
@@ -408 +405 @@
      '</div>';
      
-     if ($post_id)
-     {
-          echo
-          '<h3 class="clear">'.__('Attachments').'</h3>';
-          foreach ($post_media as $f)
-          {
-               $ftitle = $f->media_title;
-               if (strlen($ftitle) > 18) {
-                    $ftitle = substr($ftitle,0,16).'...';
-               }
-               echo
-               '<div class="media-item">'.
-               '<a class="media-icon" href="media_item.php?id='.$f->media_id.'">'.
-               '<img src="'.$f->media_icon.'" alt="" title="'.$f->basename.'" /></a>'.
-               '<ul>'.
-               '<li><a class="media-link" href="media_item.php?id='.$f->media_id.'"'.
-               'title="'.$f->basename.'">'.$ftitle.'</a></li>'.
-               '<li>'.$f->media_dtstr.'</li>'.
-               '<li>'.files::size($f->size).' - '.
-               '<a href="'.$f->file_url.'">'.__('open').'</a>'.'</li>'.
-               
-               '<li class="media-action"><a class="attachment-remove" id="attachment-'.$f->media_id.'" '.
-               'href="post_media.php?post_id='.$post_id.'&amp;media_id='.$f->media_id.'&amp;remove=1">'.
-               '<img src="images/check-off.png" alt="'.__('remove').'" /></a>'.
-               '</li>'.
-               
-               '</ul>'.
-               '</div>';
-          }
-          unset($f);
-          
-          if (empty($post_media)) {
-               echo '<p>'.__('No attachment.').'</p>';
-          }
-          echo '<p><a class="button" href="media.php?post_id='.$post_id.'">'.__('Add files to this entry').'</a></p>';
-     }
-     
      # --BEHAVIOR-- adminPostFormSidebar
      $core->callBehavior('adminPostFormSidebar',isset($post) ? $post : null);
@@ -491 +451 @@
      }
      
-     if ($post_id && !empty($post_media))
-     {
-          echo
-          '<form action="post_media.php" id="attachment-remove-hide" method="post">'.
-          '<div>'.form::hidden(array('post_id'),$post_id).
-          form::hidden(array('media_id'),'').
-          form::hidden(array('remove'),1).
-          $core->formNonce().'</div></form>';
-     }
 }
 

inc/core/class.dc.blog.php

@@ -727 +727 @@
           if (isset($params['post_type']))
           {
-               $strReq .= 'AND post_type '.$this->con->in($params['post_type']);
+               if (is_array($params['post_type']) || $params['post_type'] != '') {
+                    $strReq .= 'AND post_type '.$this->con->in($params['post_type']);
+               }
           }
           else

inc/core/class.dc.core.php

@@ -27 +27 @@
 {
      public $con;        ///< <b>connection</b>        Database connection object
-     public $prefix;     ///< <b>string</b>            Database tables prefix
+     public $prefix;          ///< <b>string</b>            Database tables prefix
      public $blog;       ///< <b>dcBlog</b>            dcBlog object
      public $error;      ///< <b>dcError</b>           dcError object
@@ -36 +36 @@
      public $plugins;    ///< <b>dcModules</b>         dcModules object
      public $media;      ///< <b>dcMedia</b>           dcMedia object
-     public $rest;       ///< <b>dcRestServer</b>      dcRestServer object
+     public $postmedia;  ///< <b>dcPostMedia</b>       dcPostMedia object
+     public $rest;       ///< <b>dcRestServer</b> dcRestServer object
      public $log;        ///< <b>dcLog</b>             dcLog object
      

inc/core/class.dc.media.php

@@ -23 +23 @@
      protected $con;          ///< <b>connection</b> Database connection
      protected $table;        ///< <b>string</b> Media table name
-     protected $table_ref;    ///< <b>string</b> Post-media relation table name
      protected $type;         ///< <b>string</b> Media type filter
+     protected $postmedia;
      protected $file_sort = 'name-asc';
      
@@ -57 +57 @@
           $this->core =& $core;
           $this->con =& $core->con;
+          $this->postmedia = new dcPostMedia($core);
           
           if ($this->core->blog == null) {
@@ -63 +64 @@
           
           $this->table = $this->core->prefix.'media';
-          $this->table_ref = $this->core->prefix.'post_media';
           $root = $this->core->blog->public_path;
           
@@ -494 +494 @@
      public function getPostMedia($post_id,$media_id=null)
      {
-          $post_id = (integer) $post_id;
-          
-          $strReq =
-          'SELECT media_file, M.media_id, media_path, media_title, media_meta, media_dt, '.
-          'media_creadt, media_upddt, media_private, user_id '.
-          'FROM '.$this->table.' M '.
-          'INNER JOIN '.$this->table_ref.' PM ON (M.media_id = PM.media_id) '.
-          "WHERE media_path = '".$this->path."' ".
-          'AND post_id = '.$post_id.' ';
-          
+          $params = array(
+               'post_id' => $post_id,
+               'media_path' => $this->path
+          );
           if ($media_id) {
-               $strReq .= 'AND M.media_id = '.(integer) $media_id.' ';
-          }
-          
-          $rs = $this->con->select($strReq);
+               $params['media_id'] = (integer) $media_id;
+          }
+          $rs = $this->postmedia->getPostMedia($params);
           
           $res = array();
@@ -523 +516 @@
      
      /**
-     Attaches a media to a post.
-     
-     @param    post_id   <b>integer</b>      Post ID
-     @param    media_id  <b>integer</b>      Optionnal media ID
+     @deprecated since version 2.4
+     @see dcPostMedia::addPostMedia
      */
      public function addPostMedia($post_id,$media_id)
      {
-          $post_id = (integer) $post_id;
-          $media_id = (integer) $media_id;
-          
-          $f = $this->getPostMedia($post_id,$media_id);
-          
-          if (!empty($f)) {
-               return;
-          }
-          
-          $cur = $this->con->openCursor($this->table_ref);
-          $cur->post_id = $post_id;
-          $cur->media_id = $media_id;
-          
-          $cur->insert();
-          $this->core->blog->triggerBlog();
-     }
-     
-     /**
-     Detaches a media from a post.
-     
-     @param    post_id   <b>integer</b>      Post ID
-     @param    media_id  <b>integer</b>      Optionnal media ID
+          $this->postmedia->addPostMedia($post_id,$media_id);
+     }
+     
+     /**
+     @deprecated since version 2.4
+     @see dcPostMedia::removePostMedia
      */
      public function removePostMedia($post_id,$media_id)
      {
-          $post_id = (integer) $post_id;
-          $media_id = (integer) $media_id;
-          
-          $strReq = 'DELETE FROM '.$this->table_ref.' '.
-                    'WHERE post_id = '.$post_id.' '.
-                    'AND media_id = '.$media_id.' ';
-          
-          $this->con->execute($strReq);
-          $this->core->blog->triggerBlog();
+          $this->postmedia->removePostMedia($post_id,$media_id,"attachment");
      }
      

inc/dbschema/db-schema.php

@@ -152 +152 @@
      ->media_id     ('bigint',     0,   false)
      ->post_id      ('bigint',     0,   false)
-     
-     ->primary('pk_post_media','media_id','post_id')
+     ->link_type         ('varchar',    32,  false,    "'attachment'")
+     
+     ->primary('pk_post_media','media_id','post_id','link_type')
      ;
 
@@ -235 +236 @@
 $_s->media->index        ('idx_media_user_id',              'btree',  'user_id');
 $_s->post_media->index   ('idx_post_media_post_id',         'btree',  'post_id');
+$_s->post_media->index   ('idx_post_media_media_id',        'btree',  'media_id');
 $_s->log->index          ('idx_log_user_id',                'btree',  'user_id');
 $_s->comment->index      ('idx_comment_post_id',            'btree',  'post_id');

inc/prepend.php

@@ -43 +43 @@
 $__autoload['dcMeta']                   = dirname(__FILE__).'/core/class.dc.meta.php';
 $__autoload['dcMedia']                  = dirname(__FILE__).'/core/class.dc.media.php';
+$__autoload['dcPostMedia']                   = dirname(__FILE__).'/core/class.dc.postmedia.php';
 $__autoload['dcModules']                = dirname(__FILE__).'/core/class.dc.modules.php';
 $__autoload['dcThemes']                 = dirname(__FILE__).'/core/class.dc.themes.php';

inc/public/class.dc.template.php

@@ -54 +54 @@
           $this->addValue('ArchiveEntriesCount',array($this,'ArchiveEntriesCount'));
           $this->addValue('ArchiveURL',array($this,'ArchiveURL'));
-          
-          # Attachments
-          $this->addBlock('Attachments',array($this,'Attachments'));
-          $this->addBlock('AttachmentsHeader',array($this,'AttachmentsHeader'));
-          $this->addBlock('AttachmentsFooter',array($this,'AttachmentsFooter'));
-          $this->addValue('AttachmentMimeType',array($this,'AttachmentMimeType'));
-          $this->addValue('AttachmentType',array($this,'AttachmentType'));
-          $this->addValue('AttachmentFileName',array($this,'AttachmentFileName'));
-          $this->addValue('AttachmentSize',array($this,'AttachmentSize'));
-          $this->addValue('AttachmentTitle',array($this,'AttachmentTitle'));
-          $this->addValue('AttachmentThumbnailURL',array($this,'AttachmentThumbnailURL'));
-          $this->addValue('AttachmentURL',array($this,'AttachmentURL'));
-          $this->addBlock('AttachmentIf',array($this,'AttachmentIf'));
-          $this->addValue('MediaURL',array($this,'MediaURL'));
           
           # Blog
@@ -141 +127 @@
           $this->addBlock('EntriesHeader',array($this,'EntriesHeader'));
           $this->addValue('EntryExcerpt',array($this,'EntryExcerpt'));
-          $this->addValue('EntryAttachmentCount',array($this,'EntryAttachmentCount'));
           $this->addValue('EntryAuthorCommonName',array($this,'EntryAuthorCommonName'));
           $this->addValue('EntryAuthorDisplayName',array($this,'EntryAuthorDisplayName'));
@@ -749 +734 @@
      }
      
-     /* Attachments ---------------------------------------- */
-     /*dtd
-     <!ELEMENT tpl:Attachments - - -- Post Attachments loop -->
-     */
-     public function Attachments($attr,$content)
-     {
-          $res =
-          "<?php\n".
-          'if ($_ctx->posts !== null && $core->media) {'."\n".
-               '$_ctx->attachments = new ArrayObject($core->media->getPostMedia($_ctx->posts->post_id));'."\n".
-          "?>\n".
-          
-          '<?php foreach ($_ctx->attachments as $attach_i => $attach_f) : '.
-          '$GLOBALS[\'attach_i\'] = $attach_i; $GLOBALS[\'attach_f\'] = $attach_f;'.
-          '$_ctx->file_url = $attach_f->file_url; ?>'.
-          $content.
-          '<?php endforeach; $_ctx->attachments = null; unset($attach_i,$attach_f,$_ctx->file_url); ?>'.
-          
-          "<?php } ?>\n";
-          
-          return $res;
-     }
-     
-     /*dtd
-     <!ELEMENT tpl:AttachmentsHeader - - -- First attachments result container -->
-     */
-     public function AttachmentsHeader($attr,$content)
-     {
-          return
-          "<?php if (\$attach_i == 0) : ?>".
-          $content.
-          "<?php endif; ?>";
-     }
-     
-     /*dtd
-     <!ELEMENT tpl:AttachmentsFooter - - -- Last attachments result container -->
-     */
-     public function AttachmentsFooter($attr,$content)
-     {
-          return
-          "<?php if (\$attach_i+1 == count(\$_ctx->attachments)) : ?>".
-          $content.
-          "<?php endif; ?>";
-     }
-     
-     /*dtd
-     <!ELEMENT tpl:AttachmentsIf - - -- Test on attachment fields -->
-     <!ATTLIST tpl:AttachmentIf
-     is_image  (0|1)     #IMPLIED  -- test if attachment is an image (value : 1) or not (value : 0)
-     has_thumb (0|1)     #IMPLIED  -- test if attachment has a square thumnail (value : 1) or not (value : 0)
-     is_mp3    (0|1)     #IMPLIED  -- test if attachment is a mp3 file (value : 1) or not (value : 0)
-     is_flv    (0|1)     #IMPLIED  -- test if attachment is a flv file (value : 1) or not (value : 0)
-     >
-     */
-     public function AttachmentIf($attr,$content)
-     {
-          $if = array();
-          
-          $operator = isset($attr['operator']) ? $this->getOperator($attr['operator']) : '&&';
-          
-          if (isset($attr['is_image'])) {
-               $sign = (boolean) $attr['is_image'] ? '' : '!';
-               $if[] = $sign.'$attach_f->media_image';
-          }
-          
-          if (isset($attr['has_thumb'])) {
-               $sign = (boolean) $attr['has_thumb'] ? '' : '!';
-               $if[] = $sign.'isset($attach_f->media_thumb[\'sq\'])';
-          }
-          
-          if (isset($attr['is_mp3'])) {
-               $sign = (boolean) $attr['is_mp3'] ? '==' : '!=';
-               $if[] = '$attach_f->type '.$sign.' "audio/mpeg3"';
-          }
-          
-          if (isset($attr['is_flv'])) {
-               $sign = (boolean) $attr['is_flv'] ? '' : '!';
-               $if[] = $sign.
-                    '($attach_f->type == "video/x-flv" || '.
-                    '$attach_f->type == "video/mp4" || '.
-                    '$attach_f->type == "video/x-m4v")';
-          }
-          
-          if (!empty($if)) {
-               return '<?php if('.implode(' '.$operator.' ',$if).') : ?>'.$content.'<?php endif; ?>';
-          } else {
-               return $content;
-          }
-     }
-     
-     /*dtd
-     <!ELEMENT tpl:AttachmentMimeType - O -- Attachment MIME Type -->
-     */
-     public function AttachmentMimeType($attr)
-     {
-          $f = $this->getFilters($attr);
-          return '<?php echo '.sprintf($f,'$attach_f->type').'; ?>';
-     }
-     
-     /*dtd
-     <!ELEMENT tpl:AttachmentType - O -- Attachment type -->
-     */
-     public function AttachmentType($attr)
-     {
-          $f = $this->getFilters($attr);
-          return '<?php echo '.sprintf($f,'$attach_f->media_type').'; ?>';
-     }
-     
-     /*dtd
-     <!ELEMENT tpl:AttachmentFileName - O -- Attachment file name -->
-     */
-     public function AttachmentFileName($attr)
-     {
-          $f = $this->getFilters($attr);
-          return '<?php echo '.sprintf($f,'$attach_f->basename').'; ?>';
-     }
-     
-     /*dtd
-     <!ELEMENT tpl:AttachmentSize - O -- Attachment size -->
-     <!ATTLIST tpl:AttachmentSize
-     full CDATA     #IMPLIED  -- if set, size is rounded to a human-readable value (in KB, MB, GB, TB)
-     >
-     */
-     public function AttachmentSize($attr)
-     {
-          $f = $this->getFilters($attr);
-          if (!empty($attr['full'])) {
-               return '<?php echo '.sprintf($f,'$attach_f->size').'; ?>';
-          }
-          return '<?php echo '.sprintf($f,'files::size($attach_f->size)').'; ?>';
-     }
-     
-     /*dtd
-     <!ELEMENT tpl:AttachmentTitle - O -- Attachment title -->
-     */
-     public function AttachmentTitle($attr)
-     {
-          $f = $this->getFilters($attr);
-          return '<?php echo '.sprintf($f,'$attach_f->media_title').'; ?>';
-     }
-     
-     /*dtd
-     <!ELEMENT tpl:AttachmentThumbnailURL - O -- Attachment square thumbnail URL -->
-     */
-     public function AttachmentThumbnailURL($attr)
-     {
-          $f = $this->getFilters($attr);
-          return
-          '<?php '.
-          'if (isset($attach_f->media_thumb[\'sq\'])) {'.
-               'echo '.sprintf($f,'$attach_f->media_thumb[\'sq\']').';'.
-          '}'.
-          '?>';
-     }
-     
-     /*dtd
-     <!ELEMENT tpl:AttachmentURL - O -- Attachment URL -->
-     */
-     public function AttachmentURL($attr)
-     {
-          $f = $this->getFilters($attr);
-          return '<?php echo '.sprintf($f,'$attach_f->file_url').'; ?>';
-     }
-     
-     public function MediaURL($attr)
-     {
-          $f = $this->getFilters($attr);
-          return '<?php echo '.sprintf($f,'$_ctx->file_url').'; ?>';
-     }
      
      /* Blog ----------------------------------------------- */
@@ -1160 +976 @@
      public function CategoryIf($attr,$content)
      {
-          $if = array();
+          $if = new ArrayObject();
           $operator = isset($attr['operator']) ? $this->getOperator($attr['operator']) : '&&';
           
@@ -1182 +998 @@
                $if[] = '$_ctx->categories->cat_desc '.$sign.' ""'; 
           } 
+          
+          $this->core->callBehavior('tplIfConditions','CategoryIf',$attr,$content,$if);
           
           if (!empty($if)) {
@@ -1431 +1249 @@
      selected  (0|1)     #IMPLIED  -- post is selected (value : 1) or not (value : 0)
      has_category   (0|1)     #IMPLIED  -- post has a category (value : 1) or not (value : 0)
-     has_attachment (0|1)     #IMPLIED  -- post has attachments (value : 1) or not (value : 0)
+     has_attachment (0|1)     #IMPLIED  -- post has attachments (value : 1) or not (value : 0) (see Attachment plugin for code)
      comments_active     (0|1)     #IMPLIED  -- comments are active for this post (value : 1) or not (value : 0)
      pings_active   (0|1)     #IMPLIED  -- trackbacks are active for this post (value : 1) or not (value : 0)
@@ -1442 +1260 @@
      public function EntryIf($attr,$content)
      {
-          $if = array();
+          $if = new ArrayObject();
           $extended = null;
           $hascategory = null;
@@ -1499 +1317 @@
           }
           
-          if (isset($attr['has_attachment'])) {
-               $sign = (boolean) $attr['has_attachment'] ? '' : '!';
-               $if[] = $sign.'$_ctx->posts->countMedia()';
-          }
-          
           if (isset($attr['comments_active'])) {
                $sign = (boolean) $attr['comments_active'] ? '' : '!';
@@ -1540 +1353 @@
           }
           
+          $this->core->callBehavior('tplIfConditions','EntryIf',$attr,$content,$if);
+          
           if (!empty($if)) {
-               return '<?php if('.implode(' '.$operator.' ',$if).') : ?>'.$content.'<?php endif; ?>';
+               return '<?php if('.implode(' '.$operator.' ',(array)$if).') : ?>'.$content.'<?php endif; ?>';
           } else {
                return $content;
@@ -1636 +1451 @@
      }
      
-     /*dtd
-     <!ELEMENT tpl:EntryAttachmentCount - O -- Number of attachments for entry -->
-     <!ATTLIST tpl:EntryAttachmentCount
-     none CDATA     #IMPLIED  -- text to display for "no attachment" (default: no attachment)
-     one  CDATA     #IMPLIED  -- text to display for "one attachment" (default: one attachment)
-     more CDATA     #IMPLIED  -- text to display for "more attachment" (default: %s attachment, %s is replaced by the number of attachments)
-     >
-     */
-     public function EntryAttachmentCount($attr)
-     {
-          $none = 'no attachment';
-          $one = 'one attachment';
-          $more = '%d attachments';
-          
-          if (isset($attr['none'])) {
-               $none = addslashes($attr['none']);
-          }
-          if (isset($attr['one'])) {
-               $one = addslashes($attr['one']);
-          }
-          if (isset($attr['more'])) {
-               $more = addslashes($attr['more']);
-          }
-          
-          return
-          "<?php if (\$_ctx->posts->countMedia() == 0) {\n".
-          "  printf(__('".$none."'),(integer) \$_ctx->posts->countMedia());\n".
-          "} elseif (\$_ctx->posts->countMedia() == 1) {\n".
-          "  printf(__('".$one."'),(integer) \$_ctx->posts->countMedia());\n".
-          "} else {\n".
-          "  printf(__('".$more."'),(integer) \$_ctx->posts->countMedia());\n".
-          "} ?>";
-     }
      
      /*dtd
@@ -2223 +2005 @@
                $if[] = $sign.'context::PaginationEnd()';
           }
+          
+          $this->core->callBehavior('tplIfConditions','PaginationIf',$attr,$content,$if);
           
           if (!empty($if)) {
@@ -2497 +2281 @@
           }
           
+          $this->core->callBehavior('tplIfConditions','CommentIf',$attr,$content,$if);
+          
           if (!empty($if)) {
                return '<?php if('.implode(' && ',$if).') : ?>'.$content.'<?php endif; ?>';
@@ -2988 +2774 @@
      current_mode        CDATA     #IMPLIED  -- tests if current URL mode is the one given in parameter
      has_tpl             CDATA     #IMPLIED  -- tests if a named template exists
-     has_tag             CDATA     #IMPLIED  -- tests if a named template tag exists
+     has_tag             CDATA     #IMPLIED  -- tests if a named template tag exists (see Tag plugin for code)
      blog_id             CDATA     #IMPLIED  -- tests if current blog ID is the one given in parameter
      comments_active     (0|1)     #IMPLIED  -- test if comments are enabled blog-wide 
@@ -2998 +2784 @@
      public function SysIf($attr,$content)
      {
-          $if = array();
+          $if = new ArrayObject();
           $is_ping = null;
           
@@ -3044 +2830 @@
           }
           
-          if (isset($attr['has_tag'])) {
-               $sign = '';
-               if (substr($attr['has_tag'],0,1) == '!') {
-                    $sign = '!';
-                    $attr['has_tag'] = substr($attr['has_tag'],1);
-               }
-               $if[] =  $sign."(\$core->tpl->tagExists('".addslashes($attr['has_tag'])."') )";
-          }
-          
           if (isset($attr['blog_id'])) {
                $sign = '';
@@ -3081 +2858 @@
                $if[] = '(isset($_search_count) && $_search_count '.html::decodeEntities($attr['search_count']).')';
           }
+          
+          $this->core->callBehavior('tplIfConditions','SysIf',$attr,$content,$if);
           
           if (!empty($if)) {

plugins/tags/_public.php

@@ -44 +44 @@
 
 $core->addBehavior('templateBeforeBlock',array('behaviorsTags','templateBeforeBlock'));
+$core->addBehavior('tplSysIfConditions',array('behaviorsTags','tplSysIfConditions'));
 
 class behaviorsTags
@@ -68 +69 @@
                     "\$params['sql'] .= \"AND META.meta_id = '\".\$core->con->escape(\$_ctx->meta->meta_id).\"' \";\n".
                "} ?>\n";
+          }
+     }
+     
+     public static function tplIfConditions($tag, $attr,$content,$if)
+     {
+          if ($tag == 'Sys' && isset($attr['has_tag'])) {
+               $sign = '';
+               if (substr($attr['has_tag'],0,1) == '!') {
+                    $sign = '!';
+                    $attr['has_tag'] = substr($attr['has_tag'],1);
+               }
+               $if[] =  $sign."(\$core->tpl->tagExists('".addslashes($attr['has_tag'])."') )";
           }
      }