73 lines
2.4 KiB
C#
73 lines
2.4 KiB
C#
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/*
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Copyright (C) 2014-2019 de4dot@gmail.com
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This file is part of dnSpy
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dnSpy is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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dnSpy is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with dnSpy. If not, see <http://www.gnu.org/licenses/>.
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*/
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using System;
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using System.ComponentModel.Composition;
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using System.Diagnostics;
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using System.Windows;
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using dnSpy.Contracts.Extension;
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namespace dnSpy.Contracts.MVVM {
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/// <summary>
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/// Initialize data template attached property
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/// </summary>
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public sealed class InitDataTemplateAP : DependencyObject {
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/// <summary>
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/// Initialize property
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/// </summary>
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public static readonly DependencyProperty InitializeProperty = DependencyProperty.RegisterAttached(
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"Initialize", typeof(bool), typeof(InitDataTemplateAP), new UIPropertyMetadata(false, InitializePropertyChangedCallback));
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/// <summary>
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/// Sets initialize value
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/// </summary>
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/// <param name="element">Element</param>
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/// <param name="value">New value</param>
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public static void SetInitialize(FrameworkElement element, bool value) => element.SetValue(InitializeProperty, value);
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/// <summary>
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/// Gets the initialize value
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/// </summary>
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/// <param name="element">Element</param>
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/// <returns></returns>
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public static bool GetInitialize(FrameworkElement element) => (bool)element.GetValue(InitializeProperty);
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[ExportAutoLoaded(LoadType = AutoLoadedLoadType.BeforeExtensions)]
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sealed class MefState : IAutoLoaded {
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internal static MefState? Instance;
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[ImportingConstructor]
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MefState([ImportMany] Lazy<IInitializeDataTemplate>[] entries) {
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Instance = this;
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this.entries = entries;
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}
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internal Lazy<IInitializeDataTemplate>[] entries;
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}
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static void InitializePropertyChangedCallback(DependencyObject d, DependencyPropertyChangedEventArgs e) {
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Debug2.Assert(MefState.Instance is not null);
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if ((bool)e.NewValue) {
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foreach (var elem in MefState.Instance.entries)
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elem.Value.Initialize(d);
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}
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}
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}
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}
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