protected override void OnItemsChanged(NotifyCollectionChangedEventArgs e)
{
collectionChanging = true;
base.OnItemsChanged(e);
collectionChanging = false;
if ((e.NewItems != null) && (e.NewItems.Count > 0))
{
TabView view = (TabView)e.NewItems[0];
this.SelectedItem = view;
if (!view.IsLoaded)
{
RoutedEventHandler loaded = null;
loaded = (sender, ea) =>
{
view.Loaded -= loaded;
this.InvalidateMeasure();
};
view.Loaded += loaded;
}
}
this.InvalidateMeasure();
}
private static void IsSelectedChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
TabView owner = (TabView)d;
bool value = (bool)e.NewValue;
if (value && (owner.ParentWindow != null))
{
owner.ParentWindow.SelectedView = owner;
}
}
private static void IsSelectedChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
TabView owner = (TabView)d;
bool value = (bool)e.NewValue;
// We only update the parent window too, if we are in tab.
if (value && owner.IsRegularTab && (owner.ParentWindow != null))
{
owner.ParentWindow.SelectedView = owner;
}
}
void System.Windows.Markup.IComponentConnector.Connect(int connectionId, object target)
{
switch (connectionId)
{
case 1:
this.popupWindow = ((TabbedWPFSample.PopupWindow)(target));
return;
case 2:
this.tabView = ((TabbedWPFSample.TabView)(target));
return;
}
this._contentLoaded = true;
}
private void OnCloseTab(object sender, ExecutedRoutedEventArgs e)
{
if ((e.Parameter != null) && (e.Parameter is TabView))
{
if (tabViews.Count == 1)
{
// This is the last tab we are attempting to close.
// Close the window. If this is the last window, the application exits.
this.Close();
}
else
{
TabView view = (TabView)e.Parameter;
// Remove the tab.
tabViews.Remove(view);
// Close the view and the WebControl.
view.Close();
GC.Collect();
}
}
}