Fixed: wflow-core - Hash variable is processed at design time in Form…

… Builder #278

git-svn-id: http://dev.joget.org/svn/jw-community/trunk@65 1bff935d-2fe2-40b7-b00f-c2aca69a7612

wflow-core/src/main/java/org/joget/apps/form/service/FormService.java

@@ -42,7 +42,7 @@ public String previewElement(String json) {
      * @return
      */
     public String previewElement(String json, boolean includeMetaData) {
-        Element element = createElementFromJson(json);
+        Element element = createElementFromJson(json, !includeMetaData);
         FormData formData = new FormData();
         String html = "";
         try {
@@ -57,17 +57,30 @@ public String previewElement(String json, boolean includeMetaData) {
         }
         return html;
     }
-
+    
     /**
      * Creates an element object from a JSON definition
      * @param formJson
      * @return
      */
     public Element createElementFromJson(String elementJson) {
+        return createElementFromJson(elementJson, true);
+    }
+
+    /**
+     * Creates an element object from a JSON definition
+     * @param formJson
+     * @param processHashVariable
+     * @return
+     */
+    public Element createElementFromJson(String elementJson, boolean processHashVariable) {
         try {
+            String processedJson = elementJson;
             // process hash variable
-            String processedJson = AppUtil.processHashVariable(elementJson, null, null, null);
-
+            if(processHashVariable){
+                processedJson = AppUtil.processHashVariable(elementJson, null, null, null);
+            }
+
             // instantiate element
             Element element = FormUtil.parseElementFromJson(processedJson);
             return element;