QmlDesigner: Add modelIsMovable to QmlItemNode

Change-Id: I211ce2bbea4dc12e4738cf8af96b3781d300005c
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@digia.com>

src/plugins/qmldesigner/designercore/include/qmlitemnode.h

@@ -85,6 +85,7 @@ public:
     bool instanceIsInLayoutable() const;
     bool instanceHasRotationTransform() const;
 
+    bool modelIsMovable() const;
     bool modelIsResizable() const;
 
     QRectF instanceBoundingRect() const;

src/plugins/qmldesigner/designercore/model/qmlitemnode.cpp

@@ -389,6 +389,12 @@ bool QmlItemNode::instanceHasRotationTransform() const
     return nodeInstance().transform().type() > QTransform::TxScale;
 }
 
+bool QmlItemNode::modelIsMovable() const
+{
+    return !modelNode().hasBindingProperty("x")
+            && !modelNode().hasBindingProperty("y");
+}
+
 bool QmlItemNode::modelIsResizable() const
 {
     return !modelNode().hasBindingProperty("width")