public void OpenTab(Control control, string header, object tag, object dataContext)
{
if (tag == null)
{
throw new ArgumentNullException("tag");
}
TabItem tabItem = GetTabFor(tag);
if (tabItem == null)
{
tabItem = new TabItem();
tabItem.Header = header;
tabItem.Tag = tag;
tabItem.DataContext = dataContext;
tabItem.Content = control;
tabItem.IsSelected = true;
OpenTabItems.Add(tabItem);
if (dataContext is BaseViewModel)
{
((BaseViewModel)dataContext).CloseRequested += TabControlViewModel_CloseRequested;
}
}
SelectedTabItem = tabItem;
}
internal void SelectTab(BaseViewModel viewModel)
{
if (IsOpen(viewModel))
{
SelectedTabItem = OpenTabItems.First(i => i.DataContext == viewModel);
}
}
void TabControlViewModel_CloseRequested(object sender, CloseEventHandlerArgs args)
{
BaseViewModel viewModel = sender as BaseViewModel;
OpenTabItems.Remove(GetTabFor(viewModel));
}
