예제 #1
0
        /// <summary>
        /// Registers a direct <see cref="AvaloniaProperty"/>.
        /// </summary>
        /// <typeparam name="TOwner">The type of the class that is registering the property.</typeparam>
        /// <typeparam name="TValue">The type of the property's value.</typeparam>
        /// <param name="name">The name of the property.</param>
        /// <param name="getter">Gets the current value of the property.</param>
        /// <param name="setter">Sets the value of the property.</param>
        /// <param name="unsetValue">
        /// The value to use when the property is set to <see cref="AvaloniaProperty.UnsetValue"/>
        /// </param>
        /// <param name="defaultBindingMode">The default binding mode for the property.</param>
        /// <returns>A <see cref="AvaloniaProperty{TValue}"/></returns>
        public static DirectProperty <TOwner, TValue> RegisterDirect <TOwner, TValue>(
            string name,
            Func <TOwner, TValue> getter,
            Action <TOwner, TValue> setter = null,
            TValue unsetValue = default(TValue),
            BindingMode defaultBindingMode = BindingMode.OneWay)
            where TOwner : IAvaloniaObject
        {
            Contract.Requires <ArgumentNullException>(name != null);

            var metadata = new DirectPropertyMetadata <TValue>(
                unsetValue: unsetValue,
                defaultBindingMode: defaultBindingMode);

            var result = new DirectProperty <TOwner, TValue>(name, getter, setter, metadata);

            AvaloniaPropertyRegistry.Instance.Register(typeof(TOwner), result);
            return(result);
        }
예제 #2
0
        /// <summary>
        /// Registers the direct property on another type.
        /// </summary>
        /// <typeparam name="TNewOwner">The type of the additional owner.</typeparam>
        /// <param name="getter">Gets the current value of the property.</param>
        /// <param name="setter">Sets the value of the property.</param>
        /// <param name="unsetValue">
        /// The value to use when the property is set to <see cref="AvaloniaProperty.UnsetValue"/>
        /// </param>
        /// <param name="defaultBindingMode">The default binding mode for the property.</param>
        /// <param name="enableDataValidation">
        /// Whether the property is interested in data validation.
        /// </param>
        /// <returns>The property.</returns>
        public DirectProperty <TNewOwner, TValue> AddOwner <TNewOwner>(
            Func <TNewOwner, TValue> getter,
            Action <TNewOwner, TValue> setter = null,
            TValue unsetValue = default(TValue),
            BindingMode defaultBindingMode = BindingMode.OneWay,
            bool enableDataValidation      = false)
            where TNewOwner : AvaloniaObject
        {
            var result = new DirectProperty <TNewOwner, TValue>(
                this,
                getter,
                setter,
                new DirectPropertyMetadata <TValue>(
                    unsetValue: unsetValue,
                    defaultBindingMode: defaultBindingMode,
                    enableDataValidation: enableDataValidation));

            AvaloniaPropertyRegistry.Instance.Register(typeof(TNewOwner), result);
            return(result);
        }
예제 #3
0
        /// <summary>
        /// Registers the direct property on another type.
        /// </summary>
        /// <typeparam name="TNewOwner">The type of the additional owner.</typeparam>
        /// <param name="getter">Gets the current value of the property.</param>
        /// <param name="setter">Sets the value of the property.</param>
        /// <param name="unsetValue">
        /// The value to use when the property is set to <see cref="AvaloniaProperty.UnsetValue"/>
        /// </param>
        /// <param name="defaultBindingMode">The default binding mode for the property.</param>
        /// <param name="enableDataValidation">
        /// Whether the property is interested in data validation.
        /// </param>
        /// <returns>The property.</returns>
        public DirectProperty <TNewOwner, TValue> AddOwnerWithDataValidation <TNewOwner>(
            Func <TNewOwner, TValue> getter,
            Action <TNewOwner, TValue> setter,
            TValue unsetValue = default(TValue),
            BindingMode defaultBindingMode = BindingMode.Default,
            bool enableDataValidation      = false)
            where TNewOwner : AvaloniaObject
        {
            var metadata = new DirectPropertyMetadata <TValue>(
                unsetValue: unsetValue,
                defaultBindingMode: defaultBindingMode,
                enableDataValidation: enableDataValidation);

            metadata.Merge(GetMetadata <TOwner>(), this);

            var result = new DirectProperty <TNewOwner, TValue>(
                this,
                getter,
                setter,
                metadata);

            AvaloniaPropertyRegistry.Instance.Register(typeof(TNewOwner), result);
            return(result);
        }