Introduced a NotificationFlyoutPresenter to allow you to restyle/retemplate the flyout from within your UWP app

2021-02-06 17:38:39 +00:00
parent 3de9ceee0d
commit 3fdfcfaf21
26 changed files with 260 additions and 282 deletions
@@ -0,0 +1,72 @@
+using Windows.UI.Xaml;
+using Windows.UI.Xaml.Controls;
+using Windows.UI.Xaml.Controls.Primitives;
+
+namespace NotificationFlyout.Uwp.UI.Controls
+{
+    public class NotificationFlyoutHost : Control
+    {
+        public static readonly DependencyProperty FlyoutPresenterProperty =
+            DependencyProperty.Register(nameof(FlyoutPresenter),
+                typeof(NotificationFlyoutPresenter), typeof(NotificationFlyoutHost),
+                new PropertyMetadata(null));
+
+        public static readonly DependencyProperty TemplateSettingsProperty =
+            DependencyProperty.Register(nameof(TemplateSettings),
+                typeof(NotificationFlyoutHostTemplateSettings), typeof(NotificationFlyoutHost),
+                new PropertyMetadata(null));
+
+        private readonly NotificationFlyoutHostTemplateSettings _templateSettings;
+        private Grid _root;
+
+        public NotificationFlyoutHost()
+        {
+            DefaultStyleKey = typeof(NotificationFlyoutHost);
+
+            _templateSettings = new NotificationFlyoutHostTemplateSettings();
+            SetValue(TemplateSettingsProperty, _templateSettings);
+        }
+
+        public NotificationFlyoutPresenter FlyoutPresenter
+        {
+            get => (NotificationFlyoutPresenter)GetValue(FlyoutPresenterProperty);
+            set => SetValue(FlyoutPresenterProperty, value);
+        }
+
+        public NotificationFlyoutHostTemplateSettings TemplateSettings
+        {
+            get => (NotificationFlyoutHostTemplateSettings)GetValue(TemplateSettingsProperty);
+            set => SetValue(TemplateSettingsProperty, value);
+        }
+
+        public void HideFlyout()
+        {
+            if (_root == null) return;
+            FlyoutBase flyout = FlyoutBase.GetAttachedFlyout(_root);
+            flyout.Hide();
+        }
+
+        public void SetOffset(double verticalOffset, double horizontalOffset)
+        {
+            if (_templateSettings == null) return;
+            _templateSettings.FromVerticalOffset = verticalOffset;
+            _templateSettings.FromHorizontalOffset = horizontalOffset;
+        }
+
+        public void ShowFlyout(FlyoutPlacementMode placementMode)
+        {
+            if (_root == null) return;
+            var flyout = FlyoutBase.GetAttachedFlyout(_root);
+            flyout.ShowAt(_root, new FlyoutShowOptions
+            {
+                Placement = placementMode,
+                ShowMode = FlyoutShowMode.Standard
+            });
+        }
+
+        protected override void OnApplyTemplate()
+        {
+            _root = GetTemplateChild("Root") as Grid;
+        }
+    }
+}