QmlDesigner: add instance meta info

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

@@ -118,6 +118,7 @@ public:
     double opacity() const;
     QVariant property(const QString &name) const;
     QVariant defaultValue(const QString &name) const;
+    QString instanceType(const QString &name) const;
 
     bool isValid() const;
     void makeInvalid();

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

@@ -63,6 +63,7 @@ public:
     NodeListProperty nodeListProperty(const QString &name) const;
 
     QVariant instanceValue(const QString &name) const;
+    QString QmlObjectNode::instanceType(const QString &name) const;
 
     bool hasProperty(const QString &name) const;
     bool hasBindingProperty(const QString &name) const;

src/plugins/qmldesigner/designercore/instances/nodeinstance.cpp

@@ -427,6 +427,14 @@ QVariant NodeInstance::defaultValue(const QString &name) const
     return m_nodeInstance->resetValue(name);
 }
 
+/*!
+\brief Returns the type of the property of this NodeInstance.
+*/
+QString NodeInstance::instanceType(const QString &name) const
+{
+    return m_nodeInstance->instanceType(name);
+}
+
 /*!
 \brief Returns if the NodeInstance is valid.
 \returns true if the NodeInstance is valid

src/plugins/qmldesigner/designercore/instances/objectnodeinstance.cpp

@@ -617,6 +617,14 @@ QVariant ObjectNodeInstance::property(const QString &name) const
     return property.read();
 }
 
+QString ObjectNodeInstance::instanceType(const QString &name) const
+{
+    QDeclarativeProperty property(object(), name, context());
+    if (!property.isValid())
+        return QLatin1String("undefined");
+    return property.propertyTypeName();
+}
+
 
 void ObjectNodeInstance::setDeleteHeldInstance(bool deleteInstance)
 {

src/plugins/qmldesigner/designercore/instances/objectnodeinstance.h

@@ -144,6 +144,7 @@ public:
     virtual QVariant property(const QString &name) const;
     virtual void resetProperty(const QString &name);
     virtual void refreshProperty(const QString &name);
+    virtual QString instanceType(const QString &name) const;
 
     void createDynamicProperty(const QString &name, const QString &typeName);
     void setDeleteHeldInstance(bool deleteInstance);

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

@@ -387,6 +387,11 @@ QVariant QmlObjectNode::instanceValue(const ModelNode &modelNode, const QString
     return modelView->instanceForModelNode(modelNode).property(name);
 }
 
+QString QmlObjectNode::instanceType(const QString &name) const
+{
+    return nodeInstance().instanceType(name);
+}
+
 NodeInstance QmlObjectNode::nodeInstance() const
 {
     return qmlModelView()->nodeInstanceView()->instanceForNode(modelNode());