Use controller event handlers. Closes #1969 (#1970)

src/decorators/OpIntDecorator/EasyDAG/OpIntDecorator.EasyDAGWidget.js

@@ -93,8 +93,7 @@ define([
 
     OpIntDecorator.prototype.editAttributeMeta = function(name, defSchema) {
         var dialog = new AttributeDetailsDialog(),
-            node = this.client.getNode(this._node.id),
-            attrNames = node.getValidAttributeNames(),
+            attrNames = this.getValidAttributeNames(),
             attrInfo = this._node.attributes[name] || defSchema,
             schema,
             i;

src/visualizers/panels/OperationInterfaceEditor/OperationInterfaceEditorControl.EventHandlers.js

@@ -26,6 +26,7 @@ define([
 
         this._widget.setAttributeMeta = this.setAttributeMeta.bind(this);
         this._widget.deleteAttribute = this.deleteAttribute.bind(this);
+        this._widget.getValidAttributeNames = this.getValidAttributeNames.bind(this);
     };
 
     OperationInterfaceEditorEvents.prototype.getCreationNode = function(type, id) {
@@ -338,5 +339,10 @@ define([
         this._client.completeTransaction();
     };
 
+    OperationInterfaceEditorEvents.prototype.getValidAttributeNames = function(nodeId) {
+        const node = this.client.getNode(nodeId);
+        return node.getValidAttributeNames();
+    };
+
     return OperationInterfaceEditorEvents;
 });

src/visualizers/widgets/OperationInterfaceEditor/Item.js

@@ -109,6 +109,7 @@ define([
         this.decorator.changePtrName = this.changePtrName.bind(this);
         this.decorator.setAttributeMeta = this.setAttributeMeta.bind(this);
         this.decorator.deleteAttribute = this.deleteAttribute.bind(this);
+        this.decorator.getValidAttributeNames = this.getValidAttributeNames.bind(this);
     };
 
     return Item;

src/visualizers/widgets/OperationInterfaceEditor/OperationInterfaceEditorWidget.js

@@ -63,6 +63,10 @@ define([
             this._widget.deleteAttribute(item.id, name);
         };
 
+        this.ItemClass.prototype.getValidAttributeNames = function() {
+            const item = this;
+            return this._widget.getValidAttributeNames(item.id);
+        };
     };
 
     OperationInterfaceEditorWidget.prototype.onAddItemSelected = function(selected, isInput) {