Issue #32 In den Bausteinen werden keine CSS-Klassen übernommen ->...

Issue #32  In den Bausteinen werden keine CSS-Klassen übernommen -> verbesseurng: keine doppelten css klassen erlaubt

bin/BrickEdit.js

@@ -354,7 +354,7 @@ define('package/quiqqer/bricks/bin/BrickEdit', [
             var Form   = this.getContent().getElement('form'),
                 unload = this.$Active.getAttribute('name'),
                 data   = this.getAttribute('data');
-            
+
             if (unload == 'information') {
                 data.attributes = Object.merge(
                     data.attributes,

src/QUI/Bricks/Brick.php

@@ -259,14 +259,7 @@ public function create()
         $Control->setAttributes($this->getSettings());
 
         if ($this->getAttribute('classes')) {
-            $classes = explode(' ', $this->getAttribute('classes'));
-
-            foreach ($classes as $class) {
-                $class = trim($class);
-                $class = preg_replace('/[^a-zA-Z0-9\-]/', '', $class);
-
-                $Control->addCSSClass($class);
-            }
+            $Control->addCSSClass($this->getAttribute('classes'));
         }
 
         if ($this->id) {
@@ -413,8 +406,24 @@ public function getCustomFields()
      */
     public function addCSSClass($cssClass)
     {
-        if (!empty($cssClass)) {
-            $this->cssClasses[] = $cssClass;
+        if (!is_string($cssClass)) {
+            return;
+        }
+
+        if (empty($cssClass)) {
+            return;
+        }
+
+        $classes = preg_replace('/[^_a-zA-Z0-9-]/', ' ', $cssClass);
+        $classes = explode(' ', $classes);
+
+        $keys = array_flip($this->cssClasses);
+
+        foreach ($classes as $cssClass) {
+            if (!isset($keys[$cssClass])) {
+                $this->cssClasses[] = $cssClass;
+                $keys[$cssClass]    = true;
+            }
         }
     }