57 lines
2.1 KiB
C#
57 lines
2.1 KiB
C#
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/* This Code is based on a StackOverflow-Answer: https://stackoverflow.com/a/56736232/9759874 */
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using System.Reflection;
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using System.Windows.Threading;
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namespace WPFluent.Controls;
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/// <summary>
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/// Overwrites ContextMenu-Style for some UIElements (like RichTextBox) that don't take the default ContextMenu-Style by
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/// default. <para>The code inside this CodeBehind-Class forces this ContextMenu-Style on these UIElements through
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/// Reflection (because it is only accessible through Reflection it is also only possible through CodeBehind and not
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/// XAML)</para>
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/// </summary>
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public partial class ContextMenuLoader : ResourceDictionary
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{
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/// <summary>
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/// Initializes a new instance of the <see cref="ContextMenuLoader"/> class and registers editing styles defined in
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/// "ContextMenu.xaml" with the <see cref="Dispatcher"/>.
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/// </summary>
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public ContextMenuLoader()
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{
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// Run OnResourceDictionaryLoaded asynchronously to ensure other ResourceDictionary are already loaded before adding new entries
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_ = Dispatcher.CurrentDispatcher.BeginInvoke(DispatcherPriority.Normal, new Action(OnResourceDictionaryLoaded));
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}
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private void AddEditorContextMenuDefaultStyle(Assembly currentAssembly)
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{
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var editorContextMenuType = Type.GetType(
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$"System.Windows.Documents.TextEditorContextMenu+EditorContextMenu, {currentAssembly}");
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ResourceDictionary resourceDict = new()
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{
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Source = new Uri("pack://application:,,,/WPFluent;component/Controls/ContextMenu/ContextMenu.xaml"),
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};
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Style contextMenuStyle = (Style)resourceDict["UiContextMenu"];
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if (editorContextMenuType is null || contextMenuStyle is null)
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{
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return;
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}
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var editorContextMenuStyle = new Style(editorContextMenuType, contextMenuStyle);
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Add(editorContextMenuType, editorContextMenuStyle);
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}
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private void OnResourceDictionaryLoaded()
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{
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Assembly currentAssembly = typeof(Application).Assembly;
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AddEditorContextMenuDefaultStyle(currentAssembly);
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}
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}
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