Fix test on permission for widgets

htdocs/core/boxes/modules_boxes.php

@@ -49,10 +49,15 @@ class ModeleBoxes    // Can't be abtract as it is instantiated to build "empty"
 	public $max = 5;
 
 	/**
-	 * @var int Status
+	 * @var int Condition to have widget enabled
 	 */
 	public $enabled=1;
 
+	/**
+	 * @var int Condition to have widget visible (in most cases, permissions)
+	 */
+	public $hidden=0;
+
 	/**
 	 * @var int Box definition database ID
 	 */
@@ -168,29 +173,29 @@ class ModeleBoxes    // Can't be abtract as it is instantiated to build "empty"
 		}
 	}
 
-    
+
 	/**
 	 * Standard method to get content of a box
 	 *
 	 * @param   array   $head       Array with properties of box title
 	 * @param   array   $contents   Array with properties of box lines
 	 *
-	 * @return  string              
+	 * @return  string
 	 */
 	function outputBox($head = null, $contents = null)
 	{
 		global $langs, $user, $conf;
-	
+
 		// Trick to get result into a var from a function that makes print instead of return
 		// TODO Replace ob_start with param nooutput=1 into showBox
 		ob_start();
 		$result = $this->showBox($head, $contents);
 		$output = ob_get_contents();
 		ob_end_clean();
-		
+
 		return $output;
 	}
-	
+
 	/**
 	 * Standard method to show a box (usage by boxes not mandatory, a box can still use its own showBox function)
 	 *
@@ -203,6 +208,8 @@ class ModeleBoxes    // Can't be abtract as it is instantiated to build "empty"
 	{
 		global $langs, $user, $conf;
 
+		if (! empty($this->hidden)) return '\n<!-- Box ".get_class($this)." hidden -->\n';    // Nothing done if hidden (for example when user has no permission)
+
         require_once DOL_DOCUMENT_ROOT .'/core/lib/files.lib.php';
 
 		$MAXLENGTHBOX=60;   // Mettre 0 pour pas de limite
@@ -365,13 +372,13 @@ class ModeleBoxes    // Can't be abtract as it is instantiated to build "empty"
             $out = "<!-- Box ".get_class($this)." from cache -->";
             $out.= dol_readcachefile($cachedir, $filename);
         }
-        
+
         if ($nooutput) return $out;
         else print $out;
-    
+
         return '';
 	}
-	
+
 }