private void AttachHandlers(Flyout item)
{
var isOpenChanged = DependencyPropertyDescriptor.FromProperty(Flyout.IsOpenProperty, typeof(Flyout));
var themeChanged = DependencyPropertyDescriptor.FromProperty(Flyout.ThemeProperty, typeof(Flyout));
isOpenChanged.AddValueChanged(item, this.FlyoutStatusChanged);
themeChanged.AddValueChanged(item, this.FlyoutStatusChanged);
}
private static Tuple<AppTheme, Accent> DetectTheme(Flyout flyout)
{
if (flyout == null)
return null;
// first look for owner
var window = flyout.TryFindParent<MetroWindow>();
var theme = window != null ? ThemeManager.DetectAppStyle(window) : null;
if (theme != null && theme.Item2 != null)
return theme;
// second try, look for main window
if (Application.Current != null) {
var mainWindow = Application.Current.MainWindow as MetroWindow;
theme = mainWindow != null ? ThemeManager.DetectAppStyle(mainWindow) : null;
if (theme != null && theme.Item2 != null)
return theme;
// oh no, now look at application resource
theme = ThemeManager.DetectAppStyle(Application.Current);
if (theme != null && theme.Item2 != null)
return theme;
}
return null;
}
private void ReorderZIndices(Flyout lastChanged)
{
var openFlyouts = this.GetFlyouts(this.Items).Where(i => i.IsOpen && i != lastChanged).OrderBy(Panel.GetZIndex);
var index = 0;
foreach (var openFlyout in openFlyouts)
{
Panel.SetZIndex(openFlyout, index);
index++;
}
if (lastChanged.IsOpen)
{
Panel.SetZIndex(lastChanged, index);
}
}
