private static void OnLostMouseCapture(object sender, MouseEventArgs e)
{
GroupNavigationControl groupNavigationControl = ( GroupNavigationControl )sender;
DependencyObject originalSource = e.OriginalSource as DependencyObject;
if (Mouse.Captured != groupNavigationControl)
{
if (e.OriginalSource == groupNavigationControl)
{
if ((Mouse.Captured == null) &&
(Nequeo.Wpf.Wpf.TreeHelper.IsDescendantOf(originalSource, groupNavigationControl)))
{
groupNavigationControl.Close();
}
}
else if ((originalSource != null) && (Nequeo.Wpf.Wpf.TreeHelper.IsDescendantOf(originalSource, groupNavigationControl)))
{
if ((groupNavigationControl.IsDropDownOpen) && (Mouse.Captured == null))
{
Mouse.Capture(groupNavigationControl, CaptureMode.SubTree);
e.Handled = true;
}
}
else
{
groupNavigationControl.Close();
}
}
}
private static void OnPreviewMouseButtonDown(object sender, MouseButtonEventArgs e)
{
GroupNavigationControl groupNavigationControl = ( GroupNavigationControl )sender;
Visual originalSource = e.OriginalSource as Visual;
if ((originalSource != null) &&
(groupNavigationControl.PartButton != null) &&
(groupNavigationControl.PartButton.IsAncestorOf(originalSource)))
{
if (groupNavigationControl.IsDropDownOpen)
{
groupNavigationControl.Close();
}
}
}
private static void OnMouseButtonDown(object sender, MouseButtonEventArgs e)
{
GroupNavigationControl groupNavigationControl = ( GroupNavigationControl )sender;
if (!groupNavigationControl.IsKeyboardFocusWithin)
{
groupNavigationControl.Focus();
}
e.Handled = true;
if ((Mouse.Captured == groupNavigationControl) && (e.OriginalSource == groupNavigationControl))
{
groupNavigationControl.Close();
}
}
