Objects Tray - Filter list of components for those without visual representation

1 files changed, 14 insertions, 0 deletions

diff --git a/js/controllers/objects-controller.js b/js/controllers/objects-controller.js
index b8efd432..54ff14ba 100644
--- a/js/controllers/objects-controller.js
+++ b/js/controllers/objects-controller.js
@@ -190,6 +190,8 @@ var objectsController = exports.ObjectsController = Montage.create(Montage, {
         }
     },
 
+    /* ----- Utils ----- */
+
     _hasPrototype : {
         value: function(object, prototypeName) {
             var prototypes = this.getPrototypes(object).map(function(proto) {
@@ -201,6 +203,18 @@ var objectsController = exports.ObjectsController = Montage.create(Montage, {
         }
     },
 
+    ///// Returns true if the element is "non-visual", i.e. is not a component,
+    ///// and has not element property
+
+    isOffStageObject : {
+        value: function(object) {
+            var isComponent = this._hasPrototype(object, "Component"),
+                hasValidElement = object.element && object.element.parentNode;
+
+            return !isComponent || !hasValidElement;
+        }
+    },
+
     /* ---- Bindable controller properties ---- */
 
     currentObjectBindings : {