From 433202a881d39272c9928a90365f05811520cbed Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Tue, 13 Dec 2016 14:53:43 +0100
Subject: [PATCH] drop inheritance of PropertyItem from BaseClass

---
 src/Gui/propertyeditor/PropertyItem.h               | 6 +++---
 src/Mod/Sketcher/Gui/PropertyConstraintListItem.cpp | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/Gui/propertyeditor/PropertyItem.h b/src/Gui/propertyeditor/PropertyItem.h
index 2c609bdcc..ac9c821fa 100644
--- a/src/Gui/propertyeditor/PropertyItem.h
+++ b/src/Gui/propertyeditor/PropertyItem.h
@@ -101,7 +101,7 @@ public:
     }
 };
 
-class GuiExport PropertyItem : virtual public QObject, public Base::BaseClass, public ExpressionBinding
+class GuiExport PropertyItem : public QObject, public ExpressionBinding
 {
     Q_OBJECT
     PROPERTYITEM_HEADER
@@ -128,8 +128,8 @@ public:
        childs which like to be informed of a binding*/
     virtual void bind(const App::Property& prop);
     virtual void bind(const App::ObjectIdentifier& _path);
-    virtual void propertyBound()  {};
-       
+    virtual void propertyBound()  {}
+
     void setParent(PropertyItem* parent);
     PropertyItem *parent() const;
     void appendChild(PropertyItem *child);
diff --git a/src/Mod/Sketcher/Gui/PropertyConstraintListItem.cpp b/src/Mod/Sketcher/Gui/PropertyConstraintListItem.cpp
index ad1ddbae2..63bb8b750 100644
--- a/src/Mod/Sketcher/Gui/PropertyConstraintListItem.cpp
+++ b/src/Mod/Sketcher/Gui/PropertyConstraintListItem.cpp
@@ -211,7 +211,7 @@ bool PropertyConstraintListItem::event (QEvent* ev)
             Sketcher::PropertyConstraintList* item;
 
             int id = 0;
-            if (this->parent()->getTypeId() == SketcherGui::PropertyConstraintListItem::getClassTypeId()) {
+            if (dynamic_cast<SketcherGui::PropertyConstraintListItem*>(this->parent())) {
                 item = static_cast<Sketcher::PropertyConstraintList*>(this->parent()->getFirstProperty());
             }
             else {