public object Convert(object value, Type targetType, object parameter, string language)
{
var color = (Color)value;
var defaultColorKey = (string)parameter;
WBrush defaultBrush = defaultColorKey != null ? (WBrush)Microsoft.UI.Xaml.Application.Current.Resources[defaultColorKey] : new WSolidColorBrush(Colors.Transparent);
return(color == Color.Default ? defaultBrush : color.ToBrush());
}
public object Convert(object value, Type targetType, object parameter, string language)
{
var color = (Microsoft.Maui.Graphics.Color)value;
var defaultColorKey = (string)parameter;
WBrush defaultBrush = defaultColorKey != null ? (WBrush)Microsoft.UI.Xaml.Application.Current.Resources[defaultColorKey] : new WSolidColorBrush(Colors.Transparent);
return(color.IsDefault() ? defaultBrush : Maui.ColorExtensions.ToNative(color));
}
void ControlOnLoaded(object sender, RoutedEventArgs routedEventArgs)
{
WireUpFormsVsm();
// The defaults from the control template won't be available
// right away; we have to wait until after the template has been applied
_defaultBrush = Control.Foreground;
UpdateFont();
UpdateTextColor();
}
public object Convert(object value, Type targetType, object parameter, string language)
{
var color = (Graphics.Color)value;
var defaultColorKey = (string)parameter;
WBrush defaultBrush = defaultColorKey != null ?
(WBrush)UI.Xaml.Application.Current.Resources[defaultColorKey] :
new WSolidColorBrush(Colors.Transparent);
return(color.IsDefault() ? defaultBrush : color.ToPlatform());
}
void UpdateSelectedTabColors()
{
// Retrieve all tab header textblocks
var allTabHeaderTextBlocks = Control.GetDescendantsByName <WTextBlock>(TabBarHeaderTextBlockName).ToArray();
if (allTabHeaderTextBlocks.Length != Control.Items.Count)
{
return;
}
// Loop through all pages in the Pivot control
foreach (Page page in Control.Items)
{
// Fetch just the textblock for the current page
var tabBarTextBlock = allTabHeaderTextBlocks[Control.Items.IndexOf(page)];
// Apply selected or unselected style to the current textblock
if (page == Element.CurrentPage)
{
if (_defaultSelectedColor == null)
{
_defaultSelectedColor = tabBarTextBlock.Foreground;
}
if (Element.IsSet(TabbedPage.SelectedTabColorProperty) && Element.SelectedTabColor != null)
{
tabBarTextBlock.Foreground = Element.SelectedTabColor.ToPlatform();
}
else
{
tabBarTextBlock.Foreground = _defaultSelectedColor;
}
}
else
{
if (_defaultUnselectedColor == null)
{
_defaultUnselectedColor = tabBarTextBlock.Foreground;
}
if (Element.IsSet(TabbedPage.SelectedTabColorProperty) && Element.UnselectedTabColor != null)
{
tabBarTextBlock.Foreground = Element.UnselectedTabColor.ToPlatform();
}
else
{
tabBarTextBlock.Foreground = _defaultUnselectedColor;
}
}
}
}
public static void UpdateBrush(Brush brush, ref WBrush defaultbrush, Func <WBrush> getter, Action <WBrush> setter)
{
if (Brush.IsNullOrEmpty(brush))
{
if (defaultbrush == null)
{
return;
}
setter(defaultbrush);
return;
}
if (defaultbrush == null)
{
defaultbrush = getter();
}
setter(brush.ToBrush());
}
/// <summary>
/// Handles the logic for setting a Xamarin.Forms Color for a Brush
/// while caching the original default brush
/// </summary>
/// <param name="color">The target Xamarin.Forms.Color</param>
/// <param name="defaultbrush">The renderer's cache for the default brush</param>
/// <param name="getter">Delegate for retrieving the Control's current Brush</param>
/// <param name="setter">Delegate for setting the Control's Brush</param>
public static void UpdateColor(Color color, ref WBrush defaultbrush, Func <WBrush> getter, Action <WBrush> setter)
{
if (color.IsDefault)
{
if (defaultbrush == null)
{
return;
}
setter(defaultbrush);
return;
}
if (defaultbrush == null)
{
defaultbrush = getter();
}
setter(color.ToBrush());
}
/// <summary>
/// Handles the logic for setting a Microsoft.Maui.Controls.Compatibility Color for a Brush
/// while caching the original default brush
/// </summary>
/// <param name="color">The target Microsoft.Maui.Controls.Compatibility.Color</param>
/// <param name="defaultbrush">The renderer's cache for the default brush</param>
/// <param name="getter">Delegate for retrieving the Control's current Brush</param>
/// <param name="setter">Delegate for setting the Control's Brush</param>
public static void UpdateColor(Color color, ref WBrush defaultbrush, Func <WBrush> getter, Action <WBrush> setter)
{
if (color.IsDefault())
{
if (defaultbrush == null)
{
return;
}
setter(defaultbrush);
return;
}
if (defaultbrush == null)
{
defaultbrush = getter();
}
setter(Maui.ColorExtensions.ToNative(color));
}
internal void RefreshFlyoutBackdrop()
{
var dismissLayer = ((WRectangle)GetTemplateChild("LightDismissLayer"));
if (dismissLayer == null)
{
return;
}
if (_defaultBrush == null)
{
_defaultBrush = dismissLayer.Fill;
}
if (Brush.IsNullOrEmpty(_flyoutBackdrop))
{
dismissLayer.Fill = _defaultBrush;
}
else
{
dismissLayer.Fill = _flyoutPlatformBrush ?? _defaultBrush;
}
}
void UpdateOnColor()
{
if (Control == null)
{
return;
}
var grid = Control.GetFirstDescendant <WGrid>();
if (grid == null)
{
return;
}
var groups = WVisualStateManager.GetVisualStateGroups(grid);
foreach (var group in groups)
{
if (group.Name != ToggleSwitchCommonStates)
{
continue;
}
foreach (var state in group.States)
{
if (state.Name != ToggleSwitchPointerOver)
{
continue;
}
foreach (var timeline in state.Storyboard.Children.OfType <ObjectAnimationUsingKeyFrames>())
{
var property = Storyboard.GetTargetProperty(timeline);
var target = Storyboard.GetTargetName(timeline);
if (target == ToggleSwitchKnobBounds && property == ToggleSwitchFillMode)
{
var frame = timeline.KeyFrames.FirstOrDefault();
if (frame != null)
{
if (_originalOnHoverColor == null)
{
if (frame.Value is WColor color)
{
_originalOnHoverColor = color;
}
if (frame.Value is SolidColorBrush solidColorBrush)
{
_originalOnHoverColor = solidColorBrush;
}
}
if (!Element.OnColor.IsDefault())
{
frame.Value = new WSolidColorBrush(Element.OnColor.ToWindowsColor())
{
Opacity = _originalOnHoverColor is WSolidColorBrush originalOnHoverBrush ? originalOnHoverBrush.Opacity : 1
};
}
else
{
frame.Value = _originalOnHoverColor;
}
}
break;
}
}
}
}
var rect = Control.GetDescendantsByName <WRectangle>(ToggleSwitchKnobBounds).FirstOrDefault();
if (rect != null)
{
if (_originalOnColorBrush == null)
{
_originalOnColorBrush = rect.Fill;
}
if (!Element.OnColor.IsDefault())
{
rect.Fill = new WSolidColorBrush(Element.OnColor.ToWindowsColor());
}
else
{
rect.Fill = _originalOnColorBrush;
}
}
}
void UpdateThumbColor()
{
if (Control == null)
{
return;
}
var grid = Control.GetFirstDescendant <WGrid>();
if (grid == null)
{
return;
}
var groups = WVisualStateManager.GetVisualStateGroups(grid);
foreach (var group in groups)
{
if (group.Name != ToggleSwitchCommonStates)
{
continue;
}
foreach (var state in group.States)
{
if (state.Name != ToggleSwitchPointerOver)
{
continue;
}
foreach (var timeline in state.Storyboard.Children.OfType <ObjectAnimationUsingKeyFrames>())
{
var property = Storyboard.GetTargetProperty(timeline);
var target = Storyboard.GetTargetName(timeline);
if ((target == ToggleSwitchKnobOn) && (property == ToggleSwitchFillMode))
{
var frame = timeline.KeyFrames.FirstOrDefault();
if (frame != null)
{
if (_originalThumbOnBrush == null)
{
if (frame.Value is Windows.UI.Color color)
{
_originalOnColorBrush = new WSolidColorBrush(color);
}
if (frame.Value is WBrush brush)
{
_originalThumbOnBrush = brush;
}
}
if (!Element.ThumbColor.IsDefault())
{
var brush = Maui.ColorExtensions.ToNative(Element.ThumbColor);
brush.Opacity = _originalThumbOnBrush.Opacity;
frame.Value = brush;
}
else
{
frame.Value = _originalThumbOnBrush;
}
}
break;
}
}
}
}
if (grid.FindName(ToggleSwitchKnobOn) is WEllipse thumb)
{
if (_originalThumbOnBrush == null)
{
_originalThumbOnBrush = thumb.Fill;
}
if (!Element.ThumbColor.IsDefault())
{
thumb.Fill = Maui.ColorExtensions.ToNative(Element.ThumbColor);
}
else
{
thumb.Fill = _originalThumbOnBrush;
}
}
}
