private void UpdateMarginToFitHamburgerMenu(HamburgerMenu hamburgerMenu = null)
{
hamburgerMenu = hamburgerMenu ?? ParentHamburgerMenu;
if (hamburgerMenu == null)
{
Margin = new Thickness(0);
return;
}
switch (hamburgerMenu.DisplayMode)
{
case SplitViewDisplayMode.Overlay:
{
var buttonVisible = hamburgerMenu.HamburgerButtonVisibility == Visibility.Visible;
Margin = buttonVisible ? new Thickness(0) : new Thickness(48, 0, 0, 0);
}
break;
case SplitViewDisplayMode.Inline:
case SplitViewDisplayMode.CompactOverlay:
case SplitViewDisplayMode.CompactInline:
{
Margin = new Thickness(0);
}
break;
}
}
private void RegisterHamburgerMenuChanges(HamburgerMenu hamburgerMenu)
{
hamburgerMenu = hamburgerMenu ?? ParentHamburgerMenu;
if (hamburgerMenu == null)
{
return;
}
hamburgerMenu.UnregisterPropertyChangedCallback(HamburgerMenu.IsOpenProperty, callBackIsOpenId ?? 0);
callBackIsOpenId = hamburgerMenu.RegisterPropertyChangedCallback(HamburgerMenu.IsOpenProperty, (obj, dp) => OnHamburgerMenuIsOpenPropertyChanged(obj as HamburgerMenu));
hamburgerMenu.UnregisterPropertyChangedCallback(HamburgerMenu.DisplayModeProperty, callBackDisplayModeId ?? 0);
callBackDisplayModeId = hamburgerMenu.RegisterPropertyChangedCallback(HamburgerMenu.DisplayModeProperty, (obj, dp) => OnHamburgerMenuDisplayModePropertyChanged(obj as HamburgerMenu));
}
private void RegisterHamburgerMenuChanges()
{
deRegHamburgerEvents = null; // default on PageHeader startup
var hamburgerMenu = ParentHamburgerMenu;
if (hamburgerMenu != null)
{
deRegHamburgerEvents = hamburgerMenu; // remember to deregister on UnLoaded event
hamburgerMenu.IsOpenChanged += HamburgerMenu_IsOpenChanged;
hamburgerMenu.DisplayModeChanged += HamburgerMenu_DisplayModeChanged;
hamburgerMenu.HamburgerButtonVisibilityChanged += HamburgerMenu_HamburgerButtonVisibilityChanged;
}
}
private void UpdateMargin(HamburgerMenu ham)
{
var value = (ham.IsOpen) ? ham.PaneWidth : 48d;
BottomAppBar.Margin = new Thickness(value, 0, 0, 0);
}
private void OnHamburgerMenuIsOpenPropertyChanged(HamburgerMenu hamburgerMenu) => UpdateMarginToFitHamburgerMenu(hamburgerMenu);
private void OnHamburgerMenuDisplayModePropertyChanged(HamburgerMenu hamburgerMenu) => UpdateMarginToFitHamburgerMenu(hamburgerMenu);