public override void ElementDeleted(ElementDeletedEventArgs e)
{
//Only prevent commit of the source is Normal
if (e.ChangeSource == ChangeSource.Normal)
{
//Note we don't want to simply abort the transaction, as other code may be expecting the transaction
//to still be alive
//The first time register the CanCommitCallback
if (commitBlocker == null)
{
commitBlocker = new CommitBlocker(e.ModelElement.Store);
}
commitBlocker.BlockCommitIf(true);
}
}
public override void ElementPropertyChanged(ElementPropertyChangedEventArgs e)
{
base.ElementPropertyChanged(e);
if (e.DomainProperty.Id == Module.NameDomainPropertyId)
{
var module = (Module)e.ModelElement;
module.Name = Module.FixName((string)e.NewValue);
if (commitBlocker == null)
{
commitBlocker = new CommitBlocker(e.ModelElement.Store);
}
commitBlocker.BlockCommitIf(string.IsNullOrWhiteSpace(module.Name) || module.CountModulesWithName(module.Name) > 1);
}
}