70 lines
2.3 KiB
C#
70 lines
2.3 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.Diagnostics;
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using System.Windows.Input;
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using dnSpy.Contracts.Documents.Tabs;
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using dnSpy.Contracts.Documents.TreeView;
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namespace dnSpy.AsmEditor.Commands {
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sealed class CodeContextMenuHandlerCommandProxy : ICommand {
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readonly CodeContextMenuHandler command;
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readonly IDocumentTabService documentTabService;
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public CodeContextMenuHandlerCommandProxy(CodeContextMenuHandler command, IDocumentTabService documentTabService) {
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this.command = command;
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this.documentTabService = documentTabService;
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}
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CodeContext? CreateContext() {
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var documentViewer = documentTabService.ActiveTab.TryGetDocumentViewer();
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if (documentViewer is null)
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return null;
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if (!documentViewer.UIObject.IsKeyboardFocusWithin)
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return null;
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var refInfo = documentViewer.SelectedReference;
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if (refInfo is null)
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return null;
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var node = documentTabService.DocumentTreeView.FindNode(refInfo.Value.Data.Reference);
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var nodes = node is null ? Array.Empty<DocumentTreeNodeData>() : new DocumentTreeNodeData[] { node };
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return new CodeContext(nodes, refInfo.Value.Data.IsDefinition, null);
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}
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event EventHandler? ICommand.CanExecuteChanged {
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add => CommandManager.RequerySuggested += value;
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remove => CommandManager.RequerySuggested -= value;
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}
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bool ICommand.CanExecute(object? parameter) {
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var ctx = CreateContext();
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return ctx is not null && command.IsVisible(ctx) && command.IsEnabled(ctx);
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}
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void ICommand.Execute(object? parameter) {
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var ctx = CreateContext();
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Debug2.Assert(ctx is not null);
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if (ctx is not null)
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command.Execute(ctx);
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}
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}
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}
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