internal void HighlightCorrectButton(Type pageType, object pageParam)
{
DebugWrite($"PageType: {pageType} PageParam: {pageParam}");
// match type only
var buttons = LoadedNavButtons.Where(x => Equals(x.HamburgerButtonInfo.PageType, pageType));
// serialize parameter for matching
if (pageParam == null)
{
pageParam = NavigationService.CurrentPageParam;
}
else if (pageParam.ToString().StartsWith("{"))
{
try
{
pageParam = NavigationService.FrameFacade.SerializationService.Deserialize(pageParam.ToString());
}
catch { }
}
// add parameter match
buttons = buttons.Where(x => Equals(x.HamburgerButtonInfo.PageParameter, null) || Equals(x.HamburgerButtonInfo.PageParameter, pageParam));
var button = buttons.Select(x => x.HamburgerButtonInfo).FirstOrDefault();
Selected = button;
}
internal void HighlightCorrectButton(Type pageType, object pageParam)
{
_isHighlightCorrectButtonRunning = true;
try
{
HamburgerButtonInfo newButton = null;
// match type only
var buttons = LoadedNavButtons.Where(x => Equals(x.HamburgerButtonInfo.PageType, pageType));
if (buttons.Any())
{
// serialize parameter for matching
if (pageParam == null)
{
pageParam = NavigationService.CurrentPageParam;
}
else if (pageParam.ToString().StartsWith("{"))
{
try
{
pageParam = Services.NavigationService.Settings
.SerializationStrategy.Deserialize(pageParam.ToString());
}
catch
{
//
}
}
// add parameter match
buttons = buttons.Where(x => Equals(x.HamburgerButtonInfo.PageParameter, null) || Equals(x.HamburgerButtonInfo.PageParameter, pageParam));
newButton = buttons.OrderByDescending(x => x.HamburgerButtonInfo.PageParameter)
.Select(x => x.HamburgerButtonInfo).FirstOrDefault();
}
// Update selected button
var oldButton = Selected;
if (!ReferenceEquals(oldButton, newButton))
{
Selected = newButton;
if (oldButton?.ButtonType == HamburgerButtonInfo.ButtonTypes.Toggle)
{
oldButton.IsChecked = false;
}
if (newButton?.ButtonType == HamburgerButtonInfo.ButtonTypes.Toggle)
{
newButton.IsChecked = true;
}
}
// Update internal binding values for both buttons
oldButton?.UpdateInternalBindingValues();
newButton?.UpdateInternalBindingValues();
}
finally
{
_isHighlightCorrectButtonRunning = false;
}
}
private async Task UpdateSelectedAsync(HamburgerButtonInfo previous, HamburgerButtonInfo value)
{
DebugWrite($"OldValue: {previous}, NewValue: {value}");
// pls. do not remove this if statement. this is the fix for #410 (click twice)
if (previous != null)
{
IsOpen = (DisplayMode == SplitViewDisplayMode.CompactInline && IsOpen);
}
// signal previous
if (previous != null && previous != value && previous.IsChecked.Value)
{
previous.IsChecked = false;
previous.RaiseUnselected();
// Workaround for visual state of ToggleButton not reset correctly
if (value != null)
{
var control = LoadedNavButtons.First(x => x.HamburgerButtonInfo == value).GetElement <Control>();
VisualStateManager.GoToState(control, "Normal", true);
}
}
// navigate only when all navigation buttons have been loaded
if (AllNavButtonsAreLoaded && value?.PageType != null)
{
if (await NavigationService.NavigateAsync(value.PageType, value?.PageParameter, value?.NavigationTransitionInfo))
{
IsOpen = (DisplayMode == SplitViewDisplayMode.CompactInline && IsOpen);
if (value.ClearHistory)
{
NavigationService.ClearHistory();
}
if (value.ClearCache)
{
NavigationService.ClearCache(true);
}
}
else if (NavigationService.CurrentPageType == value.PageType &&
(NavigationService.CurrentPageParam ?? string.Empty) == (value.PageParameter ?? string.Empty))
{
if (value.ClearHistory)
{
NavigationService.ClearHistory();
}
if (value.ClearCache)
{
NavigationService.ClearCache(true);
}
}
else if (NavigationService.CurrentPageType == value.PageType)
{
// just check it
}
else
{
return;
}
}
// that's it if null
if (value == null)
{
return;
}
else
{
value.IsChecked = (value.ButtonType == HamburgerButtonInfo.ButtonTypes.Toggle);
if (previous != value)
{
value.RaiseSelected();
}
}
}
// handle keyboard navigation (tabs and gamepad)
private void HamburgerMenu_KeyDown(object sender, KeyRoutedEventArgs e)
{
var currentItem = FocusManager.GetFocusedElement() as FrameworkElement;
var lastItem = LoadedNavButtons.FirstOrDefault(x => x.HamburgerButtonInfo == (SecondaryButtons.LastOrDefault(a => a != Selected) ?? PrimaryButtons.LastOrDefault(a => a != Selected)));
var focus = new Func <FocusNavigationDirection, bool>(d =>
{
if (d == FocusNavigationDirection.Next)
{
return(FocusManager.TryMoveFocus(d));
}
else if (d == FocusNavigationDirection.Previous)
{
return(FocusManager.TryMoveFocus(d));
}
else
{
var control = FocusManager.FindNextFocusableElement(d) as Control;
return(control?.Focus(FocusState.Programmatic) ?? false);
}
});
var escape = new Func <bool>(() =>
{
if (DisplayMode == SplitViewDisplayMode.CompactOverlay ||
DisplayMode == SplitViewDisplayMode.Overlay)
{
IsOpen = false;
}
if (Equals(ShellSplitView.PanePlacement, SplitViewPanePlacement.Left))
{
ShellSplitView.Content.RenderTransform = new TranslateTransform {
X = 48 + ShellSplitView.OpenPaneLength
};
focus(FocusNavigationDirection.Right);
ShellSplitView.Content.RenderTransform = null;
}
else
{
ShellSplitView.Content.RenderTransform = new TranslateTransform {
X = -48 - ShellSplitView.OpenPaneLength
};
focus(FocusNavigationDirection.Left);
ShellSplitView.Content.RenderTransform = null;
}
return(true);
});
var previous = new Func <bool>(() =>
{
if (Equals(currentItem, HamburgerButton))
{
return(true);
}
else if (focus(FocusNavigationDirection.Previous) || focus(FocusNavigationDirection.Up))
{
return(true);
}
else
{
return(escape());
}
});
var next = new Func <bool>(() =>
{
if (Equals(currentItem, HamburgerButton))
{
return(focus(FocusNavigationDirection.Down));
}
else if (focus(FocusNavigationDirection.Next) || focus(FocusNavigationDirection.Down))
{
return(true);
}
else
{
return(escape());
}
});
if (IsFullScreen)
{
return;
}
switch (e.Key)
{
case VirtualKey.Up:
case VirtualKey.GamepadDPadUp:
if (!(e.Handled = previous()))
{
Debugger.Break();
}
break;
case VirtualKey.Down:
case VirtualKey.GamepadDPadDown:
if (!(e.Handled = next()))
{
Debugger.Break();
}
break;
case VirtualKey.Right:
case VirtualKey.GamepadDPadRight:
if (SecondaryButtonContainer.Items.Contains(currentItem?.DataContext) &&
SecondaryButtonOrientation == Orientation.Horizontal)
{
if (Equals(lastItem.FrameworkElement, currentItem))
{
if (!(e.Handled = escape()))
{
Debugger.Break();
}
}
else
{
if (!(e.Handled = next()))
{
Debugger.Break();
}
}
}
else
{
if (!(e.Handled = escape()))
{
Debugger.Break();
}
}
break;
case VirtualKey.Left:
case VirtualKey.GamepadDPadLeft:
if (SecondaryButtonContainer.Items.Contains(currentItem?.DataContext) &&
SecondaryButtonOrientation == Orientation.Horizontal)
{
if (Equals(lastItem.FrameworkElement, currentItem))
{
if (!(e.Handled = escape()))
{
Debugger.Break();
}
}
else
{
if (!(e.Handled = previous()))
{
Debugger.Break();
}
}
}
else
{
if (!(e.Handled = escape()))
{
Debugger.Break();
}
}
break;
case VirtualKey.Space:
case VirtualKey.Enter:
case VirtualKey.GamepadA:
if (currentItem != null)
{
var info = new InfoElement(currentItem);
var hamburgerButtonInfo = info.HamburgerButtonInfo;
if (hamburgerButtonInfo != null)
{
NavCommand.Execute(hamburgerButtonInfo);
}
}
break;
case VirtualKey.Escape:
case VirtualKey.GamepadB:
if (!(e.Handled = escape()))
{
Debugger.Break();
}
break;
}
}
private async Task UpdateSelectedAsync(HamburgerButtonInfo previous, HamburgerButtonInfo current)
{
// pls. do not remove this if statement. this is the fix for #410 (click twice)
if (previous != null)
{
IsOpen = (DisplayMode == SplitViewDisplayMode.CompactInline && IsOpen);
}
// signal previous
if (previous != null && previous != current && previous.IsChecked.Value)
{
// Workaround for visual state of ToggleButton not reset correctly
if (current != null)
{
var control = LoadedNavButtons.First(x => x.HamburgerButtonInfo == current).GetElement <Control>();
VisualStateManager.GoToState(control, "Normal", true);
}
}
// navigate only when all navigation buttons have been loaded
if (AllNavButtonsAreLoaded && current?.PageType != null)
{
if (await NavigationService.NavigateAsync(current.PageType, current?.PageParameter, current?.NavigationTransitionInfo))
{
SignalPreviousPage(previous, current);
SignalCurrentPage(previous, current);
IsOpen = (DisplayMode == SplitViewDisplayMode.CompactInline && IsOpen);
if (current.ClearHistory)
{
NavigationService.ClearHistory();
}
if (current.ClearCache)
{
var frameState = await(NavigationService.FrameFacade as ITemplate10FrameInternal).GetFrameStateAsync();
await frameState.ClearAsync();
}
}
else if (NavigationService.CurrentPageType == current.PageType && (NavigationService.CurrentPageParam ?? string.Empty) == (current.PageParameter ?? string.Empty))
{
SignalPreviousPage(previous, current);
SignalCurrentPage(previous, current);
if (current.ClearHistory)
{
NavigationService.ClearHistory();
}
if (current.ClearCache)
{
var frameState = await(NavigationService.FrameFacade as ITemplate10FrameInternal).GetFrameStateAsync();
await frameState.ClearAsync();
}
}
else if (previous == null || NavigationService.CurrentPageType == current.PageType)
{
SignalCurrentPage(previous, current);
}
else
{
// Re-instate Selected to previous page, but avoid calling this method (UpdateSelectedAsync) all over
// again, and we use a flag to effect this. See InternalSelectedChanged() method where it's used.
_isUpdateSelectedRunning = true;
try
{
Selected = previous;
}
finally
{
_isUpdateSelectedRunning = false;
}
current.IsChecked = false;
current.RaiseUnselected();
return;
}
}
else
{
SignalPreviousPage(previous, current);
SignalCurrentPage(previous, current);
}
}
public void RefreshStyles(Color?color = null, bool clearExisting = false)
{
DebugWrite($"Color: {color}");
if (color == null)
{
color = AccentColor;
}
if (color == default(Color))
{
return;
}
// since every brush will be based on one color,
// we will do so with theme in mind.
if (clearExisting)
{
ClearExisting();
}
switch (RequestedTheme)
{
case ElementTheme.Light:
{
this.SetIfNotSet(NavAreaBackgroundProperty, Colors.DimGray.ToSolidColorBrush());
this.SetIfNotSet(SecondarySeparatorProperty, Colors.DarkGray.ToSolidColorBrush());
this.SetIfNotSet(PaneBorderBrushProperty, Colors.Transparent.ToSolidColorBrush());
this.SetIfNotSet(PaneBorderThicknessProperty, new Thickness(0));
this.SetIfNotSet(HamburgerForegroundProperty, Colors.White.ToSolidColorBrush());
this.SetIfNotSet(HamburgerBackgroundProperty, color?.ToSolidColorBrush());
this.SetIfNotSet(NavButtonForegroundProperty, Colors.White.Darken(ColorUtils.Add._20p).ToSolidColorBrush());
this.SetIfNotSet(NavButtonBackgroundProperty, Colors.Transparent.ToSolidColorBrush());
this.SetIfNotSet(NavButtonCheckedForegroundProperty, Colors.White.ToSolidColorBrush());
this.SetIfNotSet(NavButtonCheckedBackgroundProperty, Colors.Transparent.ToSolidColorBrush());
this.SetIfNotSet(NavButtonCheckedIndicatorBrushProperty, Colors.White.ToSolidColorBrush());
this.SetIfNotSet(NavButtonPressedForegroundProperty, Colors.White.Darken(ColorUtils.Add._30p).ToSolidColorBrush());
this.SetIfNotSet(NavButtonPressedBackgroundProperty, Colors.Transparent.ToSolidColorBrush());
this.SetIfNotSet(NavButtonHoverForegroundProperty, Colors.White.Darken(ColorUtils.Add._10p).ToSolidColorBrush());
this.SetIfNotSet(NavButtonHoverBackgroundProperty, Colors.Transparent.ToSolidColorBrush());
break;
}
case ElementTheme.Default:
case ElementTheme.Dark:
{
this.SetIfNotSet(NavAreaBackgroundProperty, Colors.Gainsboro.Darken(ColorUtils.Add._80p).ToSolidColorBrush());
this.SetIfNotSet(SecondarySeparatorProperty, Colors.DimGray.ToSolidColorBrush());
this.SetIfNotSet(PaneBorderBrushProperty, Colors.Transparent.ToSolidColorBrush());
this.SetIfNotSet(PaneBorderThicknessProperty, new Thickness(0));
this.SetIfNotSet(HamburgerForegroundProperty, Colors.White.ToSolidColorBrush());
this.SetIfNotSet(HamburgerBackgroundProperty, color?.ToSolidColorBrush());
this.SetIfNotSet(NavButtonForegroundProperty, Colors.White.Darken(ColorUtils.Add._20p).ToSolidColorBrush());
this.SetIfNotSet(NavButtonBackgroundProperty, Colors.Transparent.ToSolidColorBrush());
this.SetIfNotSet(NavButtonCheckedForegroundProperty, Colors.White.ToSolidColorBrush());
this.SetIfNotSet(NavButtonCheckedBackgroundProperty, Colors.Transparent.ToSolidColorBrush());
this.SetIfNotSet(NavButtonCheckedIndicatorBrushProperty, Colors.White.ToSolidColorBrush());
this.SetIfNotSet(NavButtonPressedForegroundProperty, Colors.White.Darken(ColorUtils.Add._30p).ToSolidColorBrush());
this.SetIfNotSet(NavButtonPressedBackgroundProperty, Colors.Transparent.ToSolidColorBrush());
this.SetIfNotSet(NavButtonHoverForegroundProperty, Colors.White.Darken(ColorUtils.Add._10p).ToSolidColorBrush());
this.SetIfNotSet(NavButtonHoverBackgroundProperty, Colors.Transparent.ToSolidColorBrush());
break;
}
}
// ensure
LoadedNavButtons.ForEach(x => x.RefreshVisualState());
}
async Task SetSelectedAsync(HamburgerButtonInfo previous, HamburgerButtonInfo value)
{
DebugWrite($"OldValue: {previous}, NewValue: {value}");
// pls. do not remove this if statement. this is the fix for #410 (click twice)
if (previous != null)
{
IsOpen = (DisplayMode == SplitViewDisplayMode.CompactInline && IsOpen);
}
// signal previous
if (previous?.IsChecked ?? true && previous != value)
{
previous?.RaiseUnselected();
}
// reset all, except selected
var buttons = LoadedNavButtons.Where(x => x.Value != value);
buttons.ForEach(x => x.Value.IsChecked = false);
// navigate only when all navigation buttons have been loaded
if (AllNavButtonsAreLoaded && value?.PageType != null)
{
if (await NavigationService.NavigateAsync(value.PageType, value?.PageParameter, value?.NavigationTransitionInfo))
{
IsOpen = (DisplayMode == SplitViewDisplayMode.CompactInline && IsOpen);
if (value.ClearHistory)
{
NavigationService.ClearHistory();
}
}
else if (NavigationService.CurrentPageType == value.PageType &&
(NavigationService.CurrentPageParam ?? string.Empty) == (value.PageParameter ?? string.Empty))
{
if (value.ClearHistory)
{
NavigationService.ClearHistory();
}
}
else if (NavigationService.CurrentPageType == value.PageType)
{
// just check it
}
else
{
return;
}
}
// that's it if null
if (value == null)
{
return;
}
else
{
value.IsChecked = (value.ButtonType == HamburgerButtonInfo.ButtonTypes.Toggle);
if (previous != value)
{
value.RaiseSelected();
}
}
}
