private void HandleMouseButtonDown(MouseButton mouseButton)
{
if (NavigateMenuItem.UiGetIsSelectable(this) && base.Focus())
{
NavigateMenu parentListBox = this.ParentListBox;
if (parentListBox != null)
{
parentListBox.NotifyListItemClicked(this, mouseButton);
}
}
}
private static bool UiGetIsSelectable(DependencyObject o)
{
if (o != null)
{
if (!NavigateMenuItem.ItemGetIsSelectable(o))
{
return(false);
}
ItemsControl itemsControl = ItemsControl.ItemsControlFromItemContainer(o);
if (itemsControl != null)
{
object obj = itemsControl.ItemContainerGenerator.ItemFromContainer(o);
return(obj == o || NavigateMenuItem.ItemGetIsSelectable(obj));
}
}
return(false);
}
public void NotifyListItemClicked(NavigateMenuItem item, MouseButton mouseButton)
{
if (mouseButton == MouseButton.Left && Mouse.Captured != this)
{
Mouse.Capture(this, CaptureMode.SubTree);
//base.SetInitialMousePosition();
}
if (!item.IsSelected)
{
item.SetCurrentValue(Selector.IsSelectedProperty, true);
}
else if ((Keyboard.Modifiers & ModifierKeys.Control) == ModifierKeys.Control)
{
item.SetCurrentValue(Selector.IsSelectedProperty, false);
}
//this.UpdateAnchorAndActionItem(base.ItemInfoFromContainer(item));
return;
//switch (this.SelectionMode)
//{
// case SelectionMode.Single:
// if (!item.IsSelected)
// {
// item.SetCurrentValue(Selector.IsSelectedProperty, true);
// }
// else if ((Keyboard.Modifiers & ModifierKeys.Control) == ModifierKeys.Control)
// {
// item.SetCurrentValue(Selector.IsSelectedProperty, false);
// }
// //this.UpdateAnchorAndActionItem(base.ItemInfoFromContainer(item));
// return;
//case SelectionMode.Multiple:
// this.MakeToggleSelection(item);
// return;
//case SelectionMode.Extended:
// if (mouseButton != MouseButton.Left)
// {
// if (mouseButton == MouseButton.Right && (Keyboard.Modifiers & (ModifierKeys.Control | ModifierKeys.Shift)) == ModifierKeys.None)
// {
// if (item.IsSelected)
// {
// this.UpdateAnchorAndActionItem(base.ItemInfoFromContainer(item));
// return;
// }
// this.MakeSingleSelection(item);
// }
// return;
// }
// if ((Keyboard.Modifiers & (ModifierKeys.Control | ModifierKeys.Shift)) == (ModifierKeys.Control | ModifierKeys.Shift))
// {
// this.MakeAnchorSelection(item, false);
// return;
// }
// if ((Keyboard.Modifiers & ModifierKeys.Control) == ModifierKeys.Control)
// {
// this.MakeToggleSelection(item);
// return;
// }
// if ((Keyboard.Modifiers & ModifierKeys.Shift) == ModifierKeys.Shift)
// {
// this.MakeAnchorSelection(item, true);
// return;
// }
// this.MakeSingleSelection(item);
// return;
//default:
// return;
//}
}