Fwk: Added convenience methods to access the ui/xml capabilities in objects

Fwk/AppFwk/cafProjectDataModel/cafPdmCore/cafPdmObjectHandle.cpp

@@ -146,6 +146,18 @@ PdmFieldHandle* PdmObjectHandle::parentField() const
     return m_parentField;
 }
 
+// These two functions can be used when PdmCore is used standalone without PdmUi/PdmXml
+/*
+PdmUiObjectHandle* PdmObjectHandle::uiCapability()
+{
+return NULL;
+}
+
+PdmXmlObjectHandle* PdmObjectHandle::xmlCapability()
+{
+return NULL;
+}
+*/
 
 
 } // End namespace caf

Fwk/AppFwk/cafProjectDataModel/cafPdmCore/cafPdmObjectHandle.h

@@ -13,7 +13,8 @@ namespace caf
 
 class PdmObjectCapability;
 class PdmFieldHandle;
-
+class PdmUiObjectHandle;
+class PdmXmlObjectHandle;
 
 //==================================================================================================
 /// The base class of all objects
@@ -55,6 +56,9 @@ public:
         return NULL;
     }
 
+    PdmUiObjectHandle*  uiCapability();     // Implementation is in cafPdmUiObjectHandle.cpp
+    PdmXmlObjectHandle* xmlCapability();    // Implementation is in cafPdmXmlObjectHandle.cpp
+
 protected: 
     void addField(PdmFieldHandle* field, const QString& keyword);
 

Fwk/AppFwk/cafProjectDataModel/cafPdmUiCore/cafPdmUiObjectHandle.cpp

@@ -205,4 +205,15 @@ void PdmUiObjectHandle::updateUiIconFromToggleField()
     }
 }
 
+//--------------------------------------------------------------------------------------------------
+/// Implementation of uiCapability() defined in cafPdmObjectHandle.h
+//--------------------------------------------------------------------------------------------------
+PdmUiObjectHandle* PdmObjectHandle::uiCapability()
+{
+    PdmUiObjectHandle* uiField = capability<PdmUiObjectHandle>();
+    assert(uiField);
+
+    return uiField;
+}
+
 } // End namespace caf

Fwk/AppFwk/cafProjectDataModel/cafPdmXml/cafPdmXmlObjectHandle.cpp

@@ -229,6 +229,16 @@ bool PdmXmlObjectHandle::isValidXmlElementName(const QString& name)
 }
 
 
+//--------------------------------------------------------------------------------------------------
+/// Implementation of xmlCapability() defined in cafPdmObjectHandle.h
+//--------------------------------------------------------------------------------------------------
+PdmXmlObjectHandle* PdmObjectHandle::xmlCapability()
+ {
+    PdmXmlObjectHandle* xmlField = capability<PdmXmlObjectHandle>();
+    assert(xmlField);
+    
+    return xmlField;
+}
 
 
 } // end namespace caf