Steven Kirk
10 years ago
87 changed files with 916 additions and 929 deletions
@ -1,35 +0,0 @@ |
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// Copyright (c) The Perspex Project. All rights reserved.
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// Licensed under the MIT license. See licence.md file in the project root for full license information.
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using System; |
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using System.Reactive.Subjects; |
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namespace Perspex.Markup.Xaml.Data |
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{ |
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/// <summary>
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/// Defines a binding that can be created in XAML markup.
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/// </summary>
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public interface IXamlBinding |
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{ |
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/// <summary>
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/// Applies the binding to a property on an instance.
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/// </summary>
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/// <param name="instance">The target instance.</param>
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/// <param name="property">The target property.</param>
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void Bind(IObservablePropertyBag instance, PerspexProperty property); |
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/// <summary>
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/// Creates a subject that can be used to get and set the value of the binding.
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/// </summary>
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/// <param name="target">The target instance.</param>
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/// <param name="targetType">The type of the target property.</param>
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/// <param name="targetIsDataContext">
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/// Whether the target property is the DataContext property.
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/// </param>
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/// <returns>An <see cref="ISubject{object}"/>.</returns>
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ISubject<object> CreateSubject( |
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IObservablePropertyBag target, |
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Type targetType, |
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bool targetIsDataContext = false); |
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} |
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} |
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@ -0,0 +1,20 @@ |
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// Copyright (c) The Perspex Project. All rights reserved.
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// Licensed under the MIT license. See licence.md file in the project root for full license information.
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using System; |
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namespace Perspex.Data |
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{ |
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/// <summary>
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/// Signifies that a binding can be assigned to a property.
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/// </summary>
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/// <remarks>
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/// Usually in markup, when a binding is set for a property that property will be bound.
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/// Applying this attribute to a property indicates that the binding should be assigned to
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/// the property rather than bound.
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/// </remarks>
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[AttributeUsage(AttributeTargets.Property)] |
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public sealed class AssignBindingAttribute : Attribute |
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{ |
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} |
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} |
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@ -0,0 +1,36 @@ |
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// Copyright (c) The Perspex Project. All rights reserved.
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// Licensed under the MIT license. See licence.md file in the project root for full license information.
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namespace Perspex.Data |
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{ |
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/// <summary>
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/// Defines possible binding modes.
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/// </summary>
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public enum BindingMode |
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{ |
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/// <summary>
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/// Uses the default binding mode specified for the property.
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/// </summary>
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Default, |
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/// <summary>
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/// Binds one way from source to target.
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/// </summary>
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OneWay, |
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/// <summary>
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/// Binds two-way with the initial value coming from the target.
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/// </summary>
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TwoWay, |
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/// <summary>
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/// Updates the target when the application starts or when the data context changes.
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/// </summary>
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OneTime, |
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/// <summary>
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/// Binds one way from target to source.
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/// </summary>
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OneWayToSource, |
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} |
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} |
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@ -1,7 +1,7 @@ |
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// Copyright (c) The Perspex Project. All rights reserved.
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// Licensed under the MIT license. See licence.md file in the project root for full license information.
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namespace Perspex |
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namespace Perspex.Data |
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{ |
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/// <summary>
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/// The priority of a binding.
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@ -0,0 +1,33 @@ |
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// Copyright (c) The Perspex Project. All rights reserved.
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// Licensed under the MIT license. See licence.md file in the project root for full license information.
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using System.Reactive.Subjects; |
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namespace Perspex.Data |
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{ |
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/// <summary>
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/// Holds a binding that can be applied to a property on an object.
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/// </summary>
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public interface IBinding |
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{ |
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/// <summary>
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/// Gets the binding mode.
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/// </summary>
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BindingMode Mode { get; } |
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/// <summary>
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/// Gets the binding priority.
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/// </summary>
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BindingPriority Priority { get; } |
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/// <summary>
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/// Creates a subject that can be used to get and set the value of the binding.
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/// </summary>
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/// <param name="target">The target instance.</param>
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/// <param name="targetProperty">The target property. May be null.</param>
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/// <returns>An <see cref="ISubject{Object}"/>.</returns>
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ISubject<object> CreateSubject( |
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IPerspexObject target, |
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PerspexProperty targetProperty); |
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} |
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} |
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@ -1,95 +0,0 @@ |
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// Copyright (c) The Perspex Project. All rights reserved.
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// Licensed under the MIT license. See licence.md file in the project root for full license information.
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using System; |
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using System.Reactive.Subjects; |
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namespace Perspex |
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{ |
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/// <summary>
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/// Interface for getting/setting <see cref="PerspexProperty"/> bindings on an object.
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/// </summary>
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public interface IObservablePropertyBag : IPropertyBag |
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{ |
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/// <summary>
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/// Binds a <see cref="PerspexProperty"/> to an observable.
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/// </summary>
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/// <param name="property">The property.</param>
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/// <param name="source">The observable.</param>
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/// <param name="priority">The priority of the binding.</param>
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/// <returns>
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/// A disposable which can be used to terminate the binding.
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/// </returns>
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IDisposable Bind( |
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PerspexProperty property, |
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IObservable<object> source, |
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BindingPriority priority = BindingPriority.LocalValue); |
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/// <summary>
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/// Binds a <see cref="PerspexProperty"/> to an observable.
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/// </summary>
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/// <typeparam name="T">The type of the property.</typeparam>
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/// <param name="property">The property.</param>
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/// <param name="source">The observable.</param>
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/// <param name="priority">The priority of the binding.</param>
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/// <returns>
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/// A disposable which can be used to terminate the binding.
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/// </returns>
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IDisposable Bind<T>( |
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PerspexProperty<T> property, |
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IObservable<T> source, |
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BindingPriority priority = BindingPriority.LocalValue); |
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/// <summary>
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/// Initiates a two-way binding between <see cref="PerspexProperty"/>s.
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/// </summary>
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/// <param name="property">The property on this object.</param>
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/// <param name="source">The source object.</param>
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/// <param name="sourceProperty">The property on the source object.</param>
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/// <param name="priority">The priority of the binding.</param>
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/// <returns>
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/// A disposable which can be used to terminate the binding.
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/// </returns>
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/// <remarks>
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/// The binding is first carried out from <paramref name="source"/> to this.
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/// </remarks>
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IDisposable BindTwoWay( |
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PerspexProperty property, |
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PerspexObject source, |
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PerspexProperty sourceProperty, |
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BindingPriority priority = BindingPriority.LocalValue); |
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/// <summary>
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/// Initiates a two-way binding between a <see cref="PerspexProperty"/> and an
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/// <see cref="ISubject{Object}"/>.
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/// </summary>
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/// <param name="property">The property on this object.</param>
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/// <param name="source">The subject to bind to.</param>
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/// <param name="priority">The priority of the binding.</param>
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/// <returns>
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/// A disposable which can be used to terminate the binding.
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/// </returns>
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/// <remarks>
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/// The binding is first carried out from <paramref name="source"/> to this.
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/// </remarks>
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IDisposable BindTwoWay( |
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PerspexProperty property, |
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ISubject<object> source, |
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BindingPriority priority = BindingPriority.LocalValue); |
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/// <summary>
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/// Gets an observable for a <see cref="PerspexProperty"/>.
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/// </summary>
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/// <param name="property">The property.</param>
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/// <returns>An observable.</returns>
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IObservable<object> GetObservable(PerspexProperty property); |
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/// <summary>
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/// Gets an observable for a <see cref="PerspexProperty"/>.
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/// </summary>
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/// <typeparam name="T">The type of the property.</typeparam>
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/// <param name="property">The property.</param>
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/// <returns>An observable.</returns>
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IObservable<T> GetObservable<T>(PerspexProperty<T> property); |
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} |
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} |
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@ -1,65 +0,0 @@ |
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// Copyright (c) The Perspex Project. All rights reserved.
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// Licensed under the MIT license. See licence.md file in the project root for full license information.
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using System; |
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namespace Perspex.Styling |
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{ |
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/// <summary>
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/// A setter for a <see cref="Style"/> whose source is an observable.
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/// </summary>
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/// <remarks>
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/// A <see cref="Setter"/> is used to set a <see cref="PerspexProperty"/> value on a
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/// <see cref="PerspexObject"/> depending on a condition.
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/// </remarks>
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public class ObservableSetter : ISetter |
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{ |
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/// <summary>
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/// Initializes a new instance of the <see cref="ObservableSetter"/> class.
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/// </summary>
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/// <param name="property">The property to set.</param>
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/// <param name="source">An observable which produces the value for the property.</param>
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public ObservableSetter(PerspexProperty property, IObservable<object> source) |
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{ |
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Property = property; |
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Source = source; |
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} |
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/// <summary>
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/// Gets or sets the property to set.
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/// </summary>
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public PerspexProperty Property |
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{ |
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get; |
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set; |
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} |
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/// <summary>
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/// Gets or sets an observable which produces the value for the property.
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/// </summary>
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public IObservable<object> Source |
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{ |
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get; |
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set; |
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} |
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/// <summary>
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/// Applies the setter to the control.
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/// </summary>
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/// <param name="style">The style that is being applied.</param>
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/// <param name="control">The control.</param>
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/// <param name="activator">An optional activator.</param>
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public void Apply(IStyle style, IStyleable control, IObservable<bool> activator) |
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{ |
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if (activator == null) |
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{ |
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control.Bind(Property, Source, BindingPriority.Style); |
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} |
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else |
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{ |
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var binding = new StyleBinding(activator, Source, style.ToString()); |
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control.Bind(Property, binding, BindingPriority.StyleTrigger); |
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} |
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} |
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} |
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} |
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@ -0,0 +1,49 @@ |
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// Copyright (c) The Perspex Project. All rights reserved.
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// Licensed under the MIT license. See licence.md file in the project root for full license information.
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using System; |
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using System.Collections.Generic; |
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using System.Reactive.Linq; |
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using Xunit; |
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namespace Perspex.Base.UnitTests |
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{ |
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public class PerspexObjectTests_GetSubject |
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{ |
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[Fact] |
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public void GetSubject_Returns_Values() |
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{ |
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var source = new Class1 { Foo = "foo" }; |
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var target = source.GetSubject(Class1.FooProperty); |
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var result = new List<string>(); |
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target.Subscribe(x => result.Add(x)); |
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source.Foo = "bar"; |
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source.Foo = "baz"; |
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Assert.Equal(new[] { "foo", "bar", "baz" }, result); |
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} |
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[Fact] |
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public void GetSubject_Sets_Values() |
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{ |
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var source = new Class1 { Foo = "foo" }; |
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var target = source.GetSubject(Class1.FooProperty); |
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target.OnNext("bar"); |
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Assert.Equal("bar", source.Foo); |
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} |
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private class Class1 : PerspexObject |
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{ |
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public static readonly PerspexProperty<string> FooProperty = |
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PerspexProperty.Register<Class1, string>("Foo", "foodefault"); |
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public string Foo |
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{ |
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get { return GetValue(FooProperty); } |
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set { SetValue(FooProperty, value); } |
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} |
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} |
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} |
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} |
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@ -0,0 +1,33 @@ |
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// Copyright (c) The Perspex Project. All rights reserved.
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// Licensed under the MIT license. See licence.md file in the project root for full license information.
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using System.Linq; |
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using Moq; |
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using Perspex.Markup.Xaml.Data; |
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using Perspex.Platform; |
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using Perspex.Styling; |
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using Xunit; |
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namespace Perspex.Markup.Xaml.UnitTests |
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{ |
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public class StyleTests |
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{ |
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[Fact] |
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public void Binding_Should_Be_Assigned_To_Setter_Value_Instead_Of_Bound() |
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{ |
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using (PerspexLocator.EnterScope()) |
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{ |
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PerspexLocator.CurrentMutable |
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.Bind<IPclPlatformWrapper>() |
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.ToConstant(Mock.Of<IPclPlatformWrapper>()); |
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var xaml = "<Style xmlns='https://github.com/perspex'><Setter Value='{Binding}'/></Style>"; |
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var loader = new PerspexXamlLoader(); |
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var style = (Style)loader.Load(xaml); |
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var setter = (Setter)(style.Setters.First()); |
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Assert.IsType<Binding>(setter.Value); |
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} |
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} |
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} |
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} |
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@ -0,0 +1,34 @@ |
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// Copyright (c) The Perspex Project. All rights reserved.
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// Licensed under the MIT license. See licence.md file in the project root for full license information.
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using System.Linq; |
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using Moq; |
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using Perspex.Controls.Templates; |
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using Perspex.Markup.Xaml.Data; |
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using Perspex.Markup.Xaml.Templates; |
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using Perspex.Platform; |
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using Xunit; |
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namespace Perspex.Markup.Xaml.UnitTests |
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{ |
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public class TreeDataTemplateTests |
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{ |
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[Fact] |
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public void Binding_Should_Be_Assigned_To_ItemsSource_Instead_Of_Bound() |
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{ |
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using (PerspexLocator.EnterScope()) |
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{ |
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PerspexLocator.CurrentMutable |
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.Bind<IPclPlatformWrapper>() |
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.ToConstant(Mock.Of<IPclPlatformWrapper>()); |
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var xaml = "<DataTemplates xmlns='https://github.com/perspex'><TreeDataTemplate ItemsSource='{Binding}'/></DataTemplates>"; |
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var loader = new PerspexXamlLoader(); |
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var templates = (DataTemplates)loader.Load(xaml); |
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var template = (TreeDataTemplate)(templates.First()); |
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Assert.IsType<Binding>(template.ItemsSource); |
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} |
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} |
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} |
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} |
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@ -0,0 +1,28 @@ |
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// Copyright (c) The Perspex Project. All rights reserved.
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// Licensed under the MIT license. See licence.md file in the project root for full license information.
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using System.Reactive.Subjects; |
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using Moq; |
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using Perspex.Controls; |
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using Perspex.Data; |
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using Xunit; |
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namespace Perspex.Styling.UnitTests |
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{ |
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public class SetterTests |
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{ |
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[Fact] |
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public void Setter_Should_Apply_Binding_To_Property() |
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{ |
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var control = new TextBlock(); |
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var subject = new BehaviorSubject<object>("foo"); |
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var binding = Mock.Of<IBinding>(x => x.CreateSubject(control, TextBlock.TextProperty) == subject); |
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var style = Mock.Of<IStyle>(); |
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var setter = new Setter(TextBlock.TextProperty, binding); |
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setter.Apply(style, control, null); |
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Assert.Equal("foo", control.Text); |
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} |
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} |
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} |
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