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Give flec the latest
TouchableContextMenu code to play with
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,98 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Diagnostics; | ||
| using System.Linq; | ||
| using System.Text; | ||
| using System.Threading.Tasks; | ||
| using System.Timers; | ||
| using System.Windows; | ||
| using System.Windows.Controls; | ||
| using System.Windows.Input; | ||
| using System.Windows.Interactivity; | ||
|
|
||
| namespace Start9.UI.Wpf.Behaviors | ||
| { | ||
| public class TouchableContextMenuBehavior : Behavior<ContextMenu> | ||
| { | ||
| ContextMenu _targetMenu; | ||
|
|
||
| bool _wasOpenedWithTouch = false; | ||
|
|
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| public Boolean OpenedWithTouch | ||
| { | ||
| get => (Boolean)GetValue(OpenedWithTouchProperty); | ||
| set => SetValue(OpenedWithTouchProperty, value); | ||
| } | ||
|
|
||
| public static readonly DependencyProperty OpenedWithTouchProperty = DependencyProperty.Register("OpenedWithTouch", | ||
| typeof(Boolean), typeof(TouchableContextMenuBehavior), | ||
| new FrameworkPropertyMetadata(false, FrameworkPropertyMetadataOptions.AffectsRender)); | ||
|
|
||
| public TouchableContextMenuBehavior() | ||
| { | ||
|
|
||
| } | ||
|
|
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| protected override void OnAttached() | ||
| { | ||
| _targetMenu = AssociatedObject; | ||
| _targetMenu.Opened += (sneder, args) => | ||
| { | ||
| Debug.WriteLine("_wasOpenedWithTouch: " + _wasOpenedWithTouch.ToString()); | ||
| OpenedWithTouch = _wasOpenedWithTouch; | ||
| }; | ||
| if (_targetMenu.IsLoaded) | ||
| Load(); | ||
| else | ||
| _targetMenu.Loaded += (sneder, args) => | ||
| { | ||
| Load(); | ||
| }; | ||
| base.OnAttached(); | ||
| } | ||
|
|
||
| void Load() | ||
| { | ||
| var source = ContextMenuService.GetPlacementTarget(_targetMenu); | ||
| var placeTarget = _targetMenu.PlacementTarget as UIElement; | ||
| if (source != null) | ||
| { | ||
| (source as UIElement).TouchDown += Source_TouchDown; | ||
| (source as UIElement).MouseDown += Source_MouseDown; | ||
| } | ||
| else if (placeTarget != null) | ||
| { | ||
| placeTarget.TouchDown += Source_TouchDown; | ||
| placeTarget.MouseDown += Source_MouseDown; | ||
| } | ||
| } | ||
|
|
||
| private void Source_MouseDown(Object sender, MouseButtonEventArgs e) | ||
| { | ||
| if (!((e.OriginalSource as UIElement).AreAnyTouchesOver)) | ||
| _wasOpenedWithTouch = false; | ||
| } | ||
|
|
||
| private void Source_TouchDown(Object sender, TouchEventArgs e) | ||
| { | ||
| //TouchStarted = DateTime.Now; | ||
| Timer touchTimer = new Timer(1); | ||
| touchTimer.Elapsed += delegate | ||
| { | ||
| _targetMenu.Dispatcher.Invoke(new Action(() => | ||
| { | ||
| /*if (IsOpen) | ||
| {*/ | ||
| _wasOpenedWithTouch = true; | ||
| /*} | ||
| else */ | ||
| if (!((e.OriginalSource as UIElement).AreAnyTouchesOver)) | ||
| { | ||
| touchTimer.Stop(); | ||
| } | ||
| })); | ||
| }; | ||
| touchTimer.Start(); | ||
| } | ||
| } | ||
| } |
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