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# Conflicts: # CommunityToolkit.WinUI.UI.Behaviors/Viewport/ViewportBehavior.Properties.cs # UITests/UITests.App/UITests.App.csproj
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106 changes: 106 additions & 0 deletions
106
CommunityToolkit.WinUI.UI.Behaviors/Viewport/ViewportBehavior.Properties.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,106 @@ | ||
| // Licensed to the .NET Foundation under one or more agreements. | ||
| // The .NET Foundation licenses this file to you under the MIT license. | ||
| // See the LICENSE file in the project root for more information. | ||
|
|
||
| using System; | ||
| using Microsoft.UI.Xaml; | ||
| using Microsoft.Xaml.Interactivity; | ||
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| namespace CommunityToolkit.WinUI.UI.Behaviors | ||
| { | ||
| /// <summary> | ||
| /// A class for listening to an element enter or exit the ScrollViewer viewport | ||
| /// </summary> | ||
| public partial class ViewportBehavior | ||
| { | ||
| /// <summary> | ||
| /// The IsFullyInViewport value of the associated element | ||
| /// </summary> | ||
| public static readonly DependencyProperty IsFullyInViewportProperty = | ||
| DependencyProperty.Register(nameof(IsFullyInViewport), typeof(bool), typeof(ViewportBehavior), new PropertyMetadata(default(bool), OnIsFullyInViewportChanged)); | ||
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|
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| /// <summary> | ||
| /// The IsInViewport value of the associated element | ||
| /// </summary> | ||
| public static readonly DependencyProperty IsInViewportProperty = | ||
| DependencyProperty.Register(nameof(IsInViewport), typeof(bool), typeof(ViewportBehavior), new PropertyMetadata(default(bool), OnIsInViewportChanged)); | ||
|
|
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| /// <summary> | ||
| /// The IsAlwaysOn value of the associated element | ||
| /// </summary> | ||
| public static readonly DependencyProperty IsAlwaysOnProperty = | ||
| DependencyProperty.Register(nameof(IsAlwaysOn), typeof(bool), typeof(ViewportBehavior), new PropertyMetadata(default(bool))); | ||
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| /// <summary> | ||
| /// Gets or sets a value indicating whether this behavior will remain attached after the associated element enters the viewport. When false, the behavior will remove itself after entering. | ||
| /// </summary> | ||
| public bool IsAlwaysOn | ||
| { | ||
| get { return (bool)GetValue(IsAlwaysOnProperty); } | ||
| set { SetValue(IsAlwaysOnProperty, value); } | ||
| } | ||
|
|
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| /// <summary> | ||
| /// Gets a value indicating whether associated element is fully in the ScrollViewer viewport | ||
| /// </summary> | ||
| public bool IsFullyInViewport | ||
| { | ||
| get { return (bool)GetValue(IsFullyInViewportProperty); } | ||
| private set { SetValue(IsFullyInViewportProperty, value); } | ||
| } | ||
|
|
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| /// <summary> | ||
| /// Gets a value indicating whether associated element is in the ScrollViewer viewport | ||
| /// </summary> | ||
| public bool IsInViewport | ||
| { | ||
| get { return (bool)GetValue(IsInViewportProperty); } | ||
| private set { SetValue(IsInViewportProperty, value); } | ||
| } | ||
|
|
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| /// <summary> | ||
| /// Event tracking when the object is fully within the viewport or not | ||
| /// </summary> | ||
| /// <param name="d">DependencyObject</param> | ||
| /// <param name="e">EventArgs</param> | ||
| private static void OnIsFullyInViewportChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) | ||
| { | ||
| var obj = (ViewportBehavior)d; | ||
| var value = (bool)e.NewValue; | ||
|
|
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| if (value) | ||
| { | ||
| obj.EnteredViewport?.Invoke(obj.AssociatedObject, EventArgs.Empty); | ||
|
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| if (!obj.IsAlwaysOn) | ||
| { | ||
| Interaction.GetBehaviors(obj.AssociatedObject).Remove(obj); | ||
| } | ||
| } | ||
| else | ||
| { | ||
| obj.ExitingViewport?.Invoke(obj.AssociatedObject, EventArgs.Empty); | ||
| } | ||
| } | ||
|
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| /// <summary> | ||
| /// Event tracking the state of the object as it moves into and out of the viewport | ||
| /// </summary> | ||
| /// <param name="d">DependencyObject</param> | ||
| /// <param name="e">EventArgs</param> | ||
| private static void OnIsInViewportChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) | ||
| { | ||
| var obj = (ViewportBehavior)d; | ||
| var value = (bool)e.NewValue; | ||
|
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| if (value) | ||
| { | ||
| obj.EnteringViewport?.Invoke(obj.AssociatedObject, EventArgs.Empty); | ||
| } | ||
| else | ||
| { | ||
| obj.ExitedViewport?.Invoke(obj.AssociatedObject, EventArgs.Empty); | ||
| } | ||
| } | ||
| } | ||
| } |
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42 changes: 42 additions & 0 deletions
42
UITests/UITests.Tests.Shared/Controls/ConstrainedBoxTest.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| // Licensed to the .NET Foundation under one or more agreements. | ||
| // The .NET Foundation licenses this file to you under the MIT license. | ||
| // See the LICENSE file in the project root for more information. | ||
|
|
||
| using Microsoft.UI.Xaml.Tests.MUXControls.InteractionTests.Common; | ||
| using Microsoft.UI.Xaml.Tests.MUXControls.InteractionTests.Infra; | ||
| using Microsoft.Windows.Apps.Test.Automation; | ||
| using Microsoft.Windows.Apps.Test.Foundation; | ||
| using Microsoft.Windows.Apps.Test.Foundation.Controls; | ||
|
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| #if USING_TAEF | ||
| using WEX.Logging.Interop; | ||
| using WEX.TestExecution; | ||
| using WEX.TestExecution.Markup; | ||
| #else | ||
| using Microsoft.VisualStudio.TestTools.UnitTesting; | ||
| #endif | ||
|
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| namespace UITests.Tests | ||
| { | ||
| [TestClass] | ||
| public class ConstrainedBoxTest : UITestBase | ||
| { | ||
| [ClassInitialize] | ||
| [TestProperty("RunAs", "User")] | ||
| [TestProperty("Classification", "ScenarioTestSuite")] | ||
| [TestProperty("Platform", "Any")] | ||
| public static void ClassInitialize(TestContext testContext) | ||
| { | ||
| TestEnvironment.Initialize(testContext, UITestsAppSampleApp); | ||
| } | ||
|
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| [TestMethod] | ||
| [TestPage("ConstrainedBoxTestPage")] | ||
| public void Test_AspectRatioBoundToInteger_Placeholder() | ||
| { | ||
| // The test is if the AspectRatio can be bound to integer | ||
| // This test method acts as a placeholder, to spawn the XAML test page | ||
| // and test the binding to an integer | ||
| } | ||
| } | ||
| } |
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