AppFwk : Clear internal structures when object changes

Fwk/AppFwk/cafUserInterface/cafPdmUiDefaultObjectEditor.cpp

@@ -171,6 +171,30 @@ void PdmUiDefaultObjectEditor::configureAndUpdateUi(const QString& uiConfigName)
     m_groupBoxes = m_newGroupBoxes;
 }
 
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+void PdmUiDefaultObjectEditor::cleanupBeforeSettingPdmObject()
+{
+    std::map<QString, PdmUiFieldEditorHandle*>::iterator it;
+    for (it = m_fieldViews.begin(); it != m_fieldViews.end(); ++it)
+    {
+        PdmUiFieldEditorHandle* fvh = it->second;
+        delete fvh;
+    }
+    m_fieldViews.clear();
+
+    m_newGroupBoxes.clear();
+
+    std::map<QString, QPointer<QGroupBox> >::iterator groupIt;
+    for (groupIt = m_groupBoxes.begin(); groupIt != m_groupBoxes.end(); ++groupIt)
+    {
+        if (!groupIt->second.isNull()) groupIt->second->deleteLater();
+    }
+
+    m_groupBoxes.clear();
+}
+
 //--------------------------------------------------------------------------------------------------
 /// 
 //--------------------------------------------------------------------------------------------------

Fwk/AppFwk/cafUserInterface/cafPdmUiDefaultObjectEditor.h

@@ -61,8 +61,9 @@ public:
     ~PdmUiDefaultObjectEditor();
 
 protected:
-    virtual QWidget* createWidget(QWidget* parent);
+    virtual QWidget*    createWidget(QWidget* parent) override;
-    virtual void     configureAndUpdateUi(const QString& uiConfigName);
+    virtual void        configureAndUpdateUi(const QString& uiConfigName) override;
+    virtual void        cleanupBeforeSettingPdmObject() override;
 
 private:
     void recursiveSetupFieldsAndGroups(const std::vector<PdmUiItem*>& uiItems, QWidget* parent, QGridLayout* parentLayout, const QString& uiConfigName);