Implement [BindableProperty] for Converters (CommunityToolkit#3018)

Implement `[BindableProperty]`

Author: TheCodeTraveler

src/CommunityToolkit.Maui.UnitTests/Converters/IsInRangeConverterTests.cs

@@ -1,5 +1,6 @@
 using System.Globalization;
 using CommunityToolkit.Maui.Converters;
+using CommunityToolkit.Maui.Core;
 using Xunit;
 
 namespace CommunityToolkit.Maui.UnitTests.Converters;
@@ -552,4 +553,17 @@ public void ReturnObjectsNullExpectBoolReturn(IComparable value, IComparable com
 		object convertFromResult = isInRangeConverter.ConvertFrom(value, CultureInfo.CurrentCulture);
 		Assert.Equal(expectedResult, convertFromResult);
 	}
+
+	[Fact]
+	public void VerifyDefaultValues()
+	{
+		// Arrange
+		var converter = new IsInRangeConverter();
+
+		// Act Assert
+		Assert.Null(converter.FalseObject);
+		Assert.Null(converter.TrueObject);
+		Assert.Null(converter.MinValue);
+		Assert.Null(converter.MaxValue);
+	}
 }

src/CommunityToolkit.Maui/Converters/IsInRangeConverter.shared.cs

@@ -3,63 +3,31 @@
 
 namespace CommunityToolkit.Maui.Converters;
 
-/// <summary>Converts the incoming value to a <see cref="bool"/> indicating whether or not the value is within a range.</summary>
+/// <summary>Converts the incoming value to a <see cref="bool"/> indicating whether the value is within a range.</summary>
 [AcceptEmptyServiceProvider]
 public sealed partial class IsInRangeConverter : IsInRangeConverter<IComparable, object>;
 
-/// <summary>Converts the incoming value to a <see cref="bool"/> indicating whether or not the value is within a range.</summary>
-public abstract class IsInRangeConverter<[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicMethods | DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] TValue, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicMethods | DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] TReturnObject> : BaseConverterOneWay<TValue, object> where TValue : IComparable
+/// <summary>Converts the incoming value to a <see cref="bool"/> indicating whether the value is within a range.</summary>
+public abstract partial class IsInRangeConverter<[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicMethods | DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] TValue, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicMethods | DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] TReturnObject> : BaseConverterOneWay<TValue, object> where TValue : IComparable
 {
-	/// <summary>
-	/// Bindable property for <see cref="FalseObject"/>
-	/// </summary>
-	public static readonly BindableProperty FalseObjectProperty = BindableProperty.Create(nameof(FalseObject), typeof(TReturnObject?), typeof(IsInRangeConverter<TValue, TReturnObject>));
-
-	/// <summary>
-	/// Bindable property for <see cref="MaxValue"/>
-	/// </summary>
-	public static readonly BindableProperty MaxValueProperty = BindableProperty.Create(nameof(MaxValue), typeof(TValue), typeof(IsInRangeConverter<TValue, TReturnObject>));
-
-	/// <summary>
-	/// Bindable property for <see cref="MinValue"/>
-	/// </summary>
-	public static readonly BindableProperty MinValueProperty = BindableProperty.Create(nameof(MinValue), typeof(TValue), typeof(IsInRangeConverter<TValue, TReturnObject>));
-
-	/// <summary>
-	/// Bindable property for <see cref="TrueObject"/>
-	/// </summary>
-	public static readonly BindableProperty TrueObjectProperty = BindableProperty.Create(nameof(TrueObject), typeof(TReturnObject?), typeof(IsInRangeConverter<TValue, TReturnObject>));
-
 	/// <inheritdoc/>
 	public override object DefaultConvertReturnValue { get; set; } = new();
 
 	/// <summary>If supplied this value will be returned when the converter receives an input value that is <b>outside</b> the <see cref="MinValue" /> and <see cref="MaxValue" />s.</summary>
-	public TReturnObject? FalseObject
-	{
-		get => (TReturnObject?)GetValue(FalseObjectProperty);
-		set => SetValue(FalseObjectProperty, value);
-	}
+	[BindableProperty]
+	public partial TReturnObject? FalseObject { get; set; }
 
 	/// <summary>The upper bounds of the range to compare against when determining whether the input value to the convert is within range.</summary>
-	public TValue? MaxValue
-	{
-		get => (TValue?)GetValue(MaxValueProperty);
-		set => SetValue(MaxValueProperty, value);
-	}
+	[BindableProperty]
+	public partial TValue? MaxValue { get; set; }
 
 	/// <summary>The lower bounds of the range to compare against when determining whether the input value to the convert is within range.</summary>
-	public TValue? MinValue
-	{
-		get => (TValue?)GetValue(MinValueProperty);
-		set => SetValue(MinValueProperty, value);
-	}
+	[BindableProperty]
+	public partial TValue? MinValue { get; set; }
 
 	/// <summary>If supplied this value will be returned when the converter receives an input value that is <b>inside</b> (inclusive) of the <see cref="MinValue" /> and <see cref="MaxValue" />s.</summary>
-	public TReturnObject? TrueObject
-	{
-		get => (TReturnObject?)GetValue(TrueObjectProperty);
-		set => SetValue(TrueObjectProperty, value);
-	}
+	[BindableProperty]
+	public partial TReturnObject? TrueObject { get; set; }
 
 	/// <summary>Converts an object that implemented IComparable to a <see cref="bool"/> based on the object being within a <see cref="MinValue"/> and <see cref="MaxValue"/> range.</summary>
 	/// <param name="value">The value to convert.</param>