public override void InvokeHandler(CommandSetState state)
{
var store = state.CurrentDocView.CurrentDiagram.Store;
var addEntityForm = new AddEntityForm(store);
addEntityForm.ShowDialog();
}
public void HandleElementAdded(object sender, ElementAddedEventArgs e)
{
if (ModelerTransaction.IsInTransaction)
{
return;
}
ModelerTransaction.Enter(() =>
{
using (Transaction tx = (sender as Store).TransactionManager.BeginTransaction())
{
if (e.ModelElement is ModelClass)
{
e.ModelElement.Delete();
var dlg = new AddEntityForm(sender as Store);
dlg.ShowDialog();
}
else if (e.ModelElement is Inheritance)
{
var inheritance = e.ModelElement as Inheritance;
var baseClassName = inheritance.Superclass.Name;
var derivedClassName = inheritance.Subclass.Name;
inheritance.Delete();
InheritanceUtil.AddInheritance(sender as Store, baseClassName, derivedClassName);
}
else if (e.ModelElement is Association)
{
var assoc = e.ModelElement as Association;
var dlg = new AddAssociationForm(sender as Store);
dlg.SetSelectedClasses(assoc.Source, assoc.Target);
assoc.Delete();
dlg.ShowDialog();
}
else if (e.ModelElement is NavigationProperty)
{
var parentClass = (e.ModelElement as NavigationProperty).ModelClass;
e.ModelElement.Delete();
var addAssociationForm = new AddAssociationForm(sender as Store);
addAssociationForm.SetSelectedClasses(parentClass);
addAssociationForm.ShowDialog();
}
if (tx.HasPendingChanges)
{
tx.Commit();
}
}
});
}