private void OnTopicNewHelper(ItemsControl parentItem)
{
TopicModel parentTopic = (TopicModel)parentItem.DataContext;
IPresentationList<TopicModel> presentationList = (IPresentationList<TopicModel>)parentTopic.Topics;
IBindingList list = (IBindingList)presentationList;
using (ITransaction t = _model.TransactionContext.BeginTransaction())
{
TopicModel topic = (TopicModel)list.AddNew();
topic.Title = "New topic";
using (Validator v = new TopicValidator(topic.RowView))
{
TopicWnd wnd = new TopicWnd(topic, v);
wnd.Owner = this;
if (wnd.ShowDialog() ?? false)
{
t.Success = true;
TreeViewItem item = (TreeViewItem)parentItem.ItemContainerGenerator.ContainerFromItem(topic);
topic = (TopicModel)item.DataContext;
topic.NotifyPropertyChanged();
item.Focus();
}
}
}
}
private void OnTopicEdit(Object sender, ExecutedRoutedEventArgs e)
{
TreeView tree = (TreeView)e.Source;
TreeViewItem item = (TreeViewItem)tree.Tag;
TopicModel model = (TopicModel)item.DataContext;
using (ITransaction t = _model.TransactionContext.BeginTransaction())
{
using (Validator v = new TopicValidator(model.RowView))
{
TopicWnd wnd = new TopicWnd(model, v);
wnd.Owner = this;
if (wnd.ShowDialog() ?? false)
{
t.Success = true;
item.Focus();
model.NotifyPropertyChanged();
}
}
}
}