private RelationContener DrawInheritanceRelation(EntityTypeDesigner baseTypeDesigner, EntityTypeDesigner childTypeDesigner)
{
var relationContener = (from rc in Designer.Children.OfType <RelationContener>()
let ir = rc.Content as InheritanceRelation
where ir != null && ir.FromTypeDesigner == childTypeDesigner && ir.ToTypeDesigner == baseTypeDesigner
select rc).FirstOrDefault();
if (relationContener != null)
{
return(relationContener);
}
var inheritanceRelation = new InheritanceRelation(Designer, childTypeDesigner, baseTypeDesigner, () => Designer.Children.OfType <EntityTypeDesigner>().FirstOrDefault(etd => etd.EntityType.BusinessInstance == EntityType.BusinessInstance.BaseType));
relationContener = new RelationContener(inheritanceRelation);
Designer.Children.Add(relationContener);
relationContener.SetBinding(Canvas.LeftProperty, new Binding {
Source = inheritanceRelation, Path = new PropertyPath("CanvasLeft")
});
relationContener.SetBinding(Canvas.TopProperty, new Binding {
Source = inheritanceRelation, Path = new PropertyPath("CanvasTop")
});
baseTypeDesigner.AddRelationContenerWithoutRelatedProperty(relationContener);
childTypeDesigner.AddRelationContenerWithoutRelatedProperty(relationContener);
return(relationContener);
}
private RelationContener DrawInheritanceRelation(EntityTypeDesigner baseTypeDesigner, EntityTypeDesigner childTypeDesigner)
{
var relationContener = (from rc in Designer.Children.OfType<RelationContener>()
let ir = rc.Content as InheritanceRelation
where ir != null && ir.FromTypeDesigner == childTypeDesigner && ir.ToTypeDesigner == baseTypeDesigner
select rc).FirstOrDefault();
if (relationContener != null)
return relationContener;
var inheritanceRelation = new InheritanceRelation(Designer, childTypeDesigner, baseTypeDesigner, () => Designer.Children.OfType<EntityTypeDesigner>().FirstOrDefault(etd => etd.EntityType.BusinessInstance == EntityType.BusinessInstance.BaseType));
relationContener = new RelationContener(inheritanceRelation);
Designer.Children.Add(relationContener);
relationContener.SetBinding(Canvas.LeftProperty, new Binding { Source = inheritanceRelation, Path = new PropertyPath("CanvasLeft") });
relationContener.SetBinding(Canvas.TopProperty, new Binding { Source = inheritanceRelation, Path = new PropertyPath("CanvasTop") });
baseTypeDesigner.AddRelationContenerWithoutRelatedProperty(relationContener);
childTypeDesigner.AddRelationContenerWithoutRelatedProperty(relationContener);
return relationContener;
}
public InheritanceRelation(DesignerCanvas canvas, EntityTypeDesigner fromTypeDesigner, EntityTypeDesigner toTypeDesigner, Func<EntityTypeDesigner> getToEntityTypeDesigner)
:base(canvas, fromTypeDesigner, toTypeDesigner)
{
InitializeComponent();
InitContextMenuCommandBindings();
SetBinding(XYProperty, new Binding { Source = this, Converter = new InheritanceRelationToXYConverter() });
fromTypeDesigner.EntityType.BaseTypeChanged +=
() =>
{
ToTypeDesigner = getToEntityTypeDesigner();
if (ToTypeDesigner != null)
{
RedoXYBinding();
OnAssociationCoordonatesChanged();
RedoBindings();
}
};
}
