project

2022-03-23 15:44:32 +00:00
commit 2ac0e3ed26
129 changed files with 4197 additions and 0 deletions
@@ -0,0 +1,77 @@
+using System;
+using Windows.Foundation;
+using Windows.UI.Xaml;
+using Windows.UI.Xaml.Controls;
+using Windows.UI.Xaml.Controls.Primitives;
+using Windows.UI.Xaml.Input;
+using Windows.UI.Xaml.Media.Animation;
+
+namespace TheXamlGuy.TaskbarGroup.Flyout.Controls
+{
+    public class TaskbarButtonFlyout : ContentControl
+    {
+        public static readonly DependencyProperty TemplateSettingsProperty =
+              DependencyProperty.Register(nameof(TemplateSettings),
+                  typeof(TaskbarButtonFlyoutTemplateSettings), typeof(TaskbarButtonFlyout),
+                  new PropertyMetadata(null));
+
+        private UIElement child;
+        private Border container;
+
+        public TaskbarButtonFlyout()
+        {
+            DefaultStyleKey = typeof(TaskbarButtonFlyout);
+            TemplateSettings = new TaskbarButtonFlyoutTemplateSettings();
+        }
+
+        public event EventHandler<object> Closed;
+
+        public event EventHandler<object> Opened;
+
+        public TaskbarButtonFlyoutTemplateSettings TemplateSettings
+        {
+            get => (TaskbarButtonFlyoutTemplateSettings)GetValue(TemplateSettingsProperty);
+            set => SetValue(TemplateSettingsProperty, value);
+        }
+
+        public bool IsOpen { get; private set; }
+
+        public void Close()
+        {
+            if(container is not null)
+            {
+                container.Child = null;
+            }
+        }
+
+        protected override void OnApplyTemplate()
+        {
+            container = GetTemplateChild("Container") as Border;
+            if (container != null)
+            {
+                child = container.Child;
+                container.Child = null;
+            }
+        }
+
+        public void ShowAt(TaskbarButtonFlyoutPlacement taskbarPlacement)
+        {
+            VisualStateManager.GoToState(this, "DefaultPlacement", true);
+
+            child.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
+
+            var width = child.DesiredSize.Width - 1;
+            var height = child.DesiredSize.Height - 1;
+
+            TemplateSettings.SetValue(TaskbarButtonFlyoutTemplateSettings.HeightProperty, height);
+            TemplateSettings.SetValue(TaskbarButtonFlyoutTemplateSettings.WidthProperty, width);
+
+            TemplateSettings.SetValue(TaskbarButtonFlyoutTemplateSettings.NegativeHeightProperty, -height);
+            TemplateSettings.SetValue(TaskbarButtonFlyoutTemplateSettings.NegativeWidthProperty, -width);
+
+            VisualStateManager.GoToState(this, $"{taskbarPlacement}Placement", true);
+
+            container.Child = child;
+        }
+    }
+}