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diff --git a/gosa-core/include/smarty/plugins/block.render.php b/gosa-core/include/smarty/plugins/block.render.php
--- /dev/null
@@ -0,0 +1,126 @@
+<?php
+
+function smarty_block_render($params, $text, &$smarty)
+{
+ /* Skip closing tag </render> */
+ if(empty($text)) {
+ return("");
+ }
+
+ /* Get acl parameter */
+ $acl = "";
+ if (isset($params['acl'])) {
+ $acl = $params['acl'];
+ }
+
+ /* Debug output */
+ if (session::is_set('debugLevel') && session::get('debugLevel') & DEBUG_ACL ){
+ echo "<font color='blue' size='2'> ".$acl."</font>";
+ }
+
+
+
+ /* Parameter : checkbox, checked
+ * If the parameter 'checkbox' is given, we create a html checkbox in front
+ * of the current object.
+ * The parameter 'checked' specifies whether the box is checked or not.
+ * The checkbox disables or enables the current object.
+ */
+ if(isset($params['checkbox']) && $params['checkbox']){
+
+ /* Detect name and id of the current object */
+ $use_text = preg_replace("/\n/"," ",$text);
+ $name = preg_replace('/^.* name[ ]*=[ ]*("|\')([^\"\' ]*).*$/i',"\\2",$use_text);
+
+ /* Detect id */
+ if(preg_match("/ id=(\"|')[^\"']*(\"|')/i",$text)){
+ $id = preg_replace('/^.* id[ ]*=[ ]*("|\')([^\"\' ]*).*$/i',"\\2",$use_text);
+ }else{
+ $id = "";
+ }
+
+ /* Is the box checked? */
+ isset($params['checked'])&&$params['checked'] ? $check = " checked " : $check = "";
+
+ /* If name isset, we have a html input field */
+ if(!empty($name)){
+
+ /* Print checkbox */
+ echo "<input type='checkbox' name='use_".$name."' ".$check."
+ onClick=\"changeState('".$name."');\" class='center'>";
+
+ /* Disable current object, if checkbox isn't checked */
+ if($check == ""){
+ $text = preg_replace("/name=/i"," disabled name=",$text);
+ }
+
+ /* Add id to current entry, if it is missing */
+ if($id == ""){
+ $text = preg_replace("/name=/i"," id=\"".$name."\" name=",$text);
+ }
+ }
+ }
+
+
+ /* Read / Write*/
+ if(preg_match("/w/i",$acl)){
+ return ($text);
+ }
+
+ $text = preg_replace ("/\n/","GOSA_LINE_BREAK",$text);
+
+ /* Disable objects, but keep those active that have mode=read_active */
+ if(!(isset($params['mode']) && ($params['mode']=='read_active') && preg_match("/(r|w)/",$acl))){
+
+ /* Disable options && greyout lists */
+ $from = array("/class=['\"]list1nohighlight['\"]/i",
+ "/class=['\"]list0['\"]/i",
+ "/class=['\"]list1['\"]/i",
+ "/class=['\"]sortableListItem[^'\"]*['\"]/i");
+ $to = array("class='list1nohighlightdisabled'",
+ "class='list1nohighlightdisabled'",
+ "class='list1nohighlightdisabled'",
+ "class='sortableListItemDisabled'");
+
+ if(!preg_match("/ disabled /",$text)){
+ $from [] = "/name=/i" ;
+ $to [] = "disabled name=";
+ }
+
+ $text = preg_replace($from,$to,$text);
+
+ /* Replace picture if object is disabled */
+ if(isset($params['disable_picture'])){
+ $syn = "/src=['\"][^\"']*['\"]/i";
+ $new = "src=\"".$params['disable_picture']."\"";
+ $text = preg_replace($syn,$new,$text);
+ }
+ }
+
+ /* Read only */
+ if(preg_match("/r/i",$acl)){
+ return(preg_replace("/GOSA_LINE_BREAK/","\n",$text));
+ }
+
+ /* No acls */
+ if(preg_match("/type['\"= ].*submit/",$text)){
+ $text = preg_replace("/submit/","button",$text);
+ }else{
+ $text = preg_replace("/value=['\"][^\"']*['\"]/","",$text);
+ }
+
+ /* Remove select options */
+ $from = array("#<option.*<\/option>#i",
+ "/(<textarea.*>).*(<\/textarea>)/i",
+ "/^(.*<input.*)checked(.*>.*)$/i");
+
+ $to = array(" ",
+ "\\1\\2",
+ "\\1 \\2");
+ $text = preg_replace($from,$to,$text);
+ $text = preg_replace("/GOSA_LINE_BREAK/","\n",$text);
+
+ return $text;
+}
+
+?>