notify dependent shapes if a shape was deleted

svn path=/trunk/koffice/; revision=757450

libs/flake/KoConnectionShape.cpp

@@ -451,8 +451,16 @@ void KoConnectionShape::shapeChanged(ChangeType type)
     }
 }
 
-void KoConnectionShape::notifyShapeChanged( KoShape *, ChangeType )
+void KoConnectionShape::notifyShapeChanged( KoShape * shape, ChangeType type )
 {
+    if( type == KoShape::Deleted )
+    {
+        if( shape == d->shape1 )
+            setConnection1( 0, -1 );
+        else if( shape == d->shape2 )
+            setConnection2( 0, -1 );
+    }
+
     if( isParametricShape() )
         updateConnections();
 }

libs/flake/KoShape.cpp

@@ -137,6 +137,7 @@ KoShape::KoShape()
 
 KoShape::~KoShape()
 {
+    d->shapeChanged( Deleted );
     delete d;
 }
 

libs/flake/KoShape.h

@@ -106,7 +106,8 @@ public:
         SizeChanged,    ///< used after a setSize()
         GenericMatrixChange,    ///< used after the matrix was changed without knowing which property explicitly changed
         ParentChanged,   ///< used after a setParent()
-        CollisionDetected ///< used when another shape moved in our boundingrect
+        CollisionDetected, ///< used when another shape moved in our boundingrect
+        Deleted ///< the shape was deleted
     };
 
     /**