public static ExecutedRoutedEventHandler AddAssociationExecuted(UIElement parent, Func <CSDLView> getCSDLView, Func <DesignerView> getDesignerView, UIEntityType defaultEntityType1, Action <UIAssociation> specialActionToDoWhenNewItemAdded)
{
return((object sender, ExecutedRoutedEventArgs e) =>
{
var csdlView = getCSDLView();
var designerView = getDesignerView();
var addAssociationWindow = new AddAssociationWindow {
Owner = VisualTreeHelperUtil.GetControlAscendant <Window>(parent), DataContext = csdlView, NavigationProperty1EntityType = defaultEntityType1
};
switch (addAssociationWindow.ShowDialog())
{
case true:
var uiAssociation = csdlView.AddAssociation(addAssociationWindow.AssociationName, addAssociationWindow.NavigationProperty1Name, addAssociationWindow.NavigationProperty1EntityType, addAssociationWindow.NavigationProperty1Cardinality.Value, addAssociationWindow.NavigationProperty2Name, addAssociationWindow.NavigationProperty2EntityType, addAssociationWindow.NavigationProperty2Cardinality.Value);
SizeChangedEventHandler actionToDoWhenNewItemAdded = null;
bool drawAssociation = false;
DesignerCanvas designerCanvas = parent as DesignerCanvas;
if (designerCanvas == null)
{
designerCanvas = VisualTreeHelperUtil.GetControlAscendant <DesignerCanvas>(parent);
}
var navigationProperty1EntityTypeDesigner = designerCanvas.GetTypeDesigner(uiAssociation.NavigationProperty1.ParentType);
var navigationProperty2EntityTypeDesigner = designerCanvas.GetTypeDesigner(uiAssociation.NavigationProperty2.ParentType);
actionToDoWhenNewItemAdded =
(object o, SizeChangedEventArgs scea) =>
{
if (designerView.ContainsEntityType(uiAssociation.NavigationProperty1.ParentType) && designerView.ContainsEntityType(uiAssociation.NavigationProperty2.ParentType))
{
if (drawAssociation)
{
navigationProperty1EntityTypeDesigner.DrawAssociation(navigationProperty2EntityTypeDesigner, uiAssociation.NavigationProperty1.BusinessInstance as NavigationProperty);
}
else
{
drawAssociation = true;
}
}
if (specialActionToDoWhenNewItemAdded != null)
{
specialActionToDoWhenNewItemAdded(uiAssociation);
}
((ListView)o).SizeChanged -= actionToDoWhenNewItemAdded;
};
navigationProperty1EntityTypeDesigner.propertiesListView.SizeChanged += actionToDoWhenNewItemAdded;
if (navigationProperty2EntityTypeDesigner != null)
{
navigationProperty2EntityTypeDesigner.propertiesListView.SizeChanged += actionToDoWhenNewItemAdded;
}
break;
}
});
}
