453 lines
18 KiB
C#
453 lines
18 KiB
C#
/*
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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.Collections.Generic;
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using System.ComponentModel.Composition;
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using System.Diagnostics;
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using System.Linq;
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using dnlib.DotNet;
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using dnSpy.AsmEditor.Commands;
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using dnSpy.AsmEditor.Properties;
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using dnSpy.AsmEditor.UndoRedo;
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using dnSpy.Contracts.Controls;
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using dnSpy.Contracts.Documents.Tabs;
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using dnSpy.Contracts.Documents.TreeView;
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using dnSpy.Contracts.Extension;
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using dnSpy.Contracts.Images;
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using dnSpy.Contracts.Menus;
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using dnSpy.Contracts.Utilities;
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namespace dnSpy.AsmEditor.Event {
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[ExportAutoLoaded]
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sealed class CommandLoader : IAutoLoaded {
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[ImportingConstructor]
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CommandLoader(IWpfCommandService wpfCommandService, IDocumentTabService documentTabService, DeleteEventDefCommand.EditMenuCommand removeCmd, DeleteEventDefCommand.CodeCommand removeCmd2, EventDefSettingsCommand.EditMenuCommand settingsCmd, EventDefSettingsCommand.CodeCommand settingsCmd2) {
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wpfCommandService.AddRemoveCommand(removeCmd);
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wpfCommandService.AddRemoveCommand(removeCmd2, documentTabService);
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wpfCommandService.AddSettingsCommand(documentTabService, settingsCmd, settingsCmd2);
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}
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}
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[DebuggerDisplay("{Description}")]
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sealed class DeleteEventDefCommand : IUndoCommand {
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[ExportMenuItem(Header = "res:DeleteEventCommand", Icon = DsImagesAttribute.Cancel, InputGestureText = "res:DeleteCommandKey", Group = MenuConstants.GROUP_CTX_DOCUMENTS_ASMED_DELETE, Order = 60)]
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sealed class DocumentsCommand : DocumentsContextMenuHandler {
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readonly Lazy<IUndoCommandService> undoCommandService;
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[ImportingConstructor]
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DocumentsCommand(Lazy<IUndoCommandService> undoCommandService) => this.undoCommandService = undoCommandService;
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public override bool IsVisible(AsmEditorContext context) => DeleteEventDefCommand.CanExecute(context.Nodes);
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public override void Execute(AsmEditorContext context) => DeleteEventDefCommand.Execute(undoCommandService, context.Nodes);
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public override string? GetHeader(AsmEditorContext context) => DeleteEventDefCommand.GetHeader(context.Nodes);
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}
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[Export, ExportMenuItem(OwnerGuid = MenuConstants.APP_MENU_EDIT_GUID, Header = "res:DeleteEventCommand", Icon = DsImagesAttribute.Cancel, InputGestureText = "res:DeleteCommandKey", Group = MenuConstants.GROUP_APP_MENU_EDIT_ASMED_DELETE, Order = 60)]
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internal sealed class EditMenuCommand : EditMenuHandler {
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readonly Lazy<IUndoCommandService> undoCommandService;
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[ImportingConstructor]
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EditMenuCommand(Lazy<IUndoCommandService> undoCommandService, IDocumentTreeView documentTreeView)
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: base(documentTreeView) => this.undoCommandService = undoCommandService;
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public override bool IsVisible(AsmEditorContext context) => DeleteEventDefCommand.CanExecute(context.Nodes);
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public override void Execute(AsmEditorContext context) => DeleteEventDefCommand.Execute(undoCommandService, context.Nodes);
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public override string? GetHeader(AsmEditorContext context) => DeleteEventDefCommand.GetHeader(context.Nodes);
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}
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[Export, ExportMenuItem(Header = "res:DeleteEventCommand", Icon = DsImagesAttribute.Cancel, InputGestureText = "res:DeleteCommandKey", Group = MenuConstants.GROUP_CTX_DOCVIEWER_ASMED_DELETE, Order = 60)]
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internal sealed class CodeCommand : CodeContextMenuHandler {
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readonly Lazy<IUndoCommandService> undoCommandService;
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[ImportingConstructor]
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CodeCommand(Lazy<IUndoCommandService> undoCommandService, IDocumentTreeView documentTreeView)
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: base(documentTreeView) => this.undoCommandService = undoCommandService;
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public override bool IsEnabled(CodeContext context) => context.IsDefinition && DeleteEventDefCommand.CanExecute(context.Nodes);
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public override void Execute(CodeContext context) => DeleteEventDefCommand.Execute(undoCommandService, context.Nodes);
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public override string? GetHeader(CodeContext context) => DeleteEventDefCommand.GetHeader(context.Nodes);
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}
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static string GetHeader(DocumentTreeNodeData[] nodes) {
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if (nodes.Length == 1)
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return string.Format(dnSpy_AsmEditor_Resources.DeleteX, UIUtilities.EscapeMenuItemHeader(nodes[0].ToString()));
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return string.Format(dnSpy_AsmEditor_Resources.DeleteEvents, nodes.Length);
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}
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static bool CanExecute(DocumentTreeNodeData[] nodes) => nodes.Length > 0 && nodes.All(n => n is EventNode);
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static void Execute(Lazy<IUndoCommandService> undoCommandService, DocumentTreeNodeData[] nodes) {
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if (!CanExecute(nodes))
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return;
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var eventNodes = nodes.Cast<EventNode>().ToArray();
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undoCommandService.Value.Add(new DeleteEventDefCommand(eventNodes));
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}
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struct DeleteModelNodes {
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ModelInfo[]? infos;
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readonly struct ModelInfo {
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public readonly TypeDef OwnerType;
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public readonly int EventIndex;
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public readonly int[] MethodIndexes;
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public readonly MethodDef[] Methods;
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public ModelInfo(EventDef evt) {
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OwnerType = evt.DeclaringType;
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EventIndex = OwnerType.Events.IndexOf(evt);
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Debug.Assert(EventIndex >= 0);
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Methods = new HashSet<MethodDef>(GetMethods(evt)).ToArray();
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MethodIndexes = new int[Methods.Length];
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}
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static IEnumerable<MethodDef> GetMethods(EventDef evt) {
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if (evt.AddMethod is not null)
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yield return evt.AddMethod;
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if (evt.InvokeMethod is not null)
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yield return evt.InvokeMethod;
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if (evt.RemoveMethod is not null)
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yield return evt.RemoveMethod;
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foreach (var m in evt.OtherMethods)
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yield return m;
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}
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}
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public void Delete(EventNode[] nodes) {
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Debug2.Assert(infos is null);
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if (infos is not null)
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throw new InvalidOperationException();
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infos = new ModelInfo[nodes.Length];
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for (int i = 0; i < infos.Length; i++) {
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var node = nodes[i];
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var info = new ModelInfo(node.EventDef);
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infos[i] = info;
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info.OwnerType.Events.RemoveAt(info.EventIndex);
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for (int j = 0; j < info.Methods.Length; j++) {
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int index = info.OwnerType.Methods.IndexOf(info.Methods[j]);
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Debug.Assert(index >= 0);
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if (index < 0)
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throw new InvalidOperationException();
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info.OwnerType.Methods.RemoveAt(index);
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info.MethodIndexes[j] = index;
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}
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}
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}
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public void Restore(EventNode[] nodes) {
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Debug2.Assert(infos is not null);
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if (infos is null)
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throw new InvalidOperationException();
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Debug.Assert(infos.Length == nodes.Length);
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if (infos.Length != nodes.Length)
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throw new InvalidOperationException();
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for (int i = infos.Length - 1; i >= 0; i--) {
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var node = nodes[i];
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ref readonly var info = ref infos[i];
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info.OwnerType.Events.Insert(info.EventIndex, node.EventDef);
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for (int j = info.Methods.Length - 1; j >= 0; j--)
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info.OwnerType.Methods.Insert(info.MethodIndexes[j], info.Methods[j]);
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}
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infos = null;
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}
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}
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DeletableNodes<EventNode> nodes;
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DeleteModelNodes modelNodes;
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DeleteEventDefCommand(EventNode[] eventNodes) => nodes = new DeletableNodes<EventNode>(eventNodes);
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public string Description => dnSpy_AsmEditor_Resources.DeleteEventCommand;
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public void Execute() {
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nodes.Delete();
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modelNodes.Delete(nodes.Nodes);
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}
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public void Undo() {
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modelNodes.Restore(nodes.Nodes);
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nodes.Restore();
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}
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public IEnumerable<object> ModifiedObjects => nodes.Nodes;
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}
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[DebuggerDisplay("{Description}")]
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sealed class CreateEventDefCommand : IUndoCommand {
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[ExportMenuItem(Header = "res:CreateEventCommand", Icon = DsImagesAttribute.NewEvent, Group = MenuConstants.GROUP_CTX_DOCUMENTS_ASMED_NEW, Order = 90)]
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sealed class DocumentsCommand : DocumentsContextMenuHandler {
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readonly Lazy<IUndoCommandService> undoCommandService;
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readonly IAppService appService;
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[ImportingConstructor]
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DocumentsCommand(Lazy<IUndoCommandService> undoCommandService, IAppService appService) {
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this.undoCommandService = undoCommandService;
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this.appService = appService;
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}
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public override bool IsVisible(AsmEditorContext context) => CreateEventDefCommand.CanExecute(context.Nodes);
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public override void Execute(AsmEditorContext context) => CreateEventDefCommand.Execute(undoCommandService, appService, context.Nodes);
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}
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[ExportMenuItem(OwnerGuid = MenuConstants.APP_MENU_EDIT_GUID, Header = "res:CreateEventCommand", Icon = DsImagesAttribute.NewEvent, Group = MenuConstants.GROUP_APP_MENU_EDIT_ASMED_NEW, Order = 90)]
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sealed class EditMenuCommand : EditMenuHandler {
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readonly Lazy<IUndoCommandService> undoCommandService;
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readonly IAppService appService;
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[ImportingConstructor]
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EditMenuCommand(Lazy<IUndoCommandService> undoCommandService, IAppService appService)
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: base(appService.DocumentTreeView) {
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this.undoCommandService = undoCommandService;
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this.appService = appService;
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}
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public override bool IsVisible(AsmEditorContext context) => CreateEventDefCommand.CanExecute(context.Nodes);
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public override void Execute(AsmEditorContext context) => CreateEventDefCommand.Execute(undoCommandService, appService, context.Nodes);
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}
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[ExportMenuItem(Header = "res:CreateEventCommand", Icon = DsImagesAttribute.NewEvent, Group = MenuConstants.GROUP_CTX_DOCVIEWER_ASMED_NEW, Order = 90)]
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sealed class CodeCommand : CodeContextMenuHandler {
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readonly Lazy<IUndoCommandService> undoCommandService;
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readonly IAppService appService;
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[ImportingConstructor]
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CodeCommand(Lazy<IUndoCommandService> undoCommandService, IAppService appService)
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: base(appService.DocumentTreeView) {
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this.undoCommandService = undoCommandService;
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this.appService = appService;
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}
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public override bool IsEnabled(CodeContext context) =>
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context.IsDefinition &&
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context.Nodes.Length == 1 &&
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context.Nodes[0] is TypeNode;
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public override void Execute(CodeContext context) => CreateEventDefCommand.Execute(undoCommandService, appService, context.Nodes);
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}
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static bool CanExecute(DocumentTreeNodeData[] nodes) =>
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nodes.Length == 1 &&
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(nodes[0] is TypeNode || (nodes[0].TreeNode.Parent is not null && nodes[0].TreeNode.Parent!.Data is TypeNode));
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static void Execute(Lazy<IUndoCommandService> undoCommandService, IAppService appService, DocumentTreeNodeData[] nodes) {
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if (!CanExecute(nodes))
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return;
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var ownerNode = nodes[0];
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if (!(ownerNode is TypeNode))
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ownerNode = (DocumentTreeNodeData)ownerNode.TreeNode.Parent!.Data;
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var typeNode = ownerNode as TypeNode;
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Debug2.Assert(typeNode is not null);
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if (typeNode is null)
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throw new InvalidOperationException();
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var module = typeNode.GetModule();
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Debug2.Assert(module is not null);
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if (module is null)
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throw new InvalidOperationException();
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var options = EventDefOptions.Create("MyEvent", module.CorLibTypes.GetTypeRef("System", "EventHandler"));
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var data = new EventOptionsVM(options, module, appService.DecompilerService, typeNode.TypeDef);
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var win = new EventOptionsDlg();
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win.Title = dnSpy_AsmEditor_Resources.CreateEventCommand2;
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win.DataContext = data;
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win.Owner = appService.MainWindow;
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if (win.ShowDialog() != true)
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return;
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var cmd = new CreateEventDefCommand(typeNode, data.CreateEventDefOptions());
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undoCommandService.Value.Add(cmd);
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appService.DocumentTabService.FollowReference(cmd.eventNode);
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}
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readonly TypeNode ownerNode;
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readonly EventNode eventNode;
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CreateEventDefCommand(TypeNode ownerNode, EventDefOptions options) {
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this.ownerNode = ownerNode;
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eventNode = ownerNode.Create(options.CreateEventDef(ownerNode.TypeDef.Module));
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}
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public string Description => dnSpy_AsmEditor_Resources.CreateEventCommand2;
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public void Execute() {
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ownerNode.TreeNode.EnsureChildrenLoaded();
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ownerNode.TypeDef.Events.Add(eventNode.EventDef);
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ownerNode.TreeNode.AddChild(eventNode.TreeNode);
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}
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public void Undo() {
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bool b = ownerNode.TreeNode.Children.Remove(eventNode.TreeNode) &&
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ownerNode.TypeDef.Events.Remove(eventNode.EventDef);
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Debug.Assert(b);
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if (!b)
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throw new InvalidOperationException();
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}
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public IEnumerable<object> ModifiedObjects {
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get { yield return ownerNode; }
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}
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}
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[DebuggerDisplay("{Description}")]
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sealed class EventDefSettingsCommand : IUndoCommand {
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[ExportMenuItem(Header = "res:EditEventCommand", Icon = DsImagesAttribute.Settings, InputGestureText = "res:ShortcutKeyAltEnter", Group = MenuConstants.GROUP_CTX_DOCUMENTS_ASMED_SETTINGS, Order = 70)]
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sealed class DocumentsCommand : DocumentsContextMenuHandler {
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readonly Lazy<IUndoCommandService> undoCommandService;
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readonly IAppService appService;
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[ImportingConstructor]
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DocumentsCommand(Lazy<IUndoCommandService> undoCommandService, IAppService appService) {
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this.undoCommandService = undoCommandService;
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this.appService = appService;
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}
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public override bool IsVisible(AsmEditorContext context) => EventDefSettingsCommand.CanExecute(context.Nodes);
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public override void Execute(AsmEditorContext context) => EventDefSettingsCommand.Execute(undoCommandService, appService, context.Nodes);
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}
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[Export, ExportMenuItem(OwnerGuid = MenuConstants.APP_MENU_EDIT_GUID, Header = "res:EditEventCommand", Icon = DsImagesAttribute.Settings, InputGestureText = "res:ShortcutKeyAltEnter", Group = MenuConstants.GROUP_APP_MENU_EDIT_ASMED_SETTINGS, Order = 70)]
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internal sealed class EditMenuCommand : EditMenuHandler {
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readonly Lazy<IUndoCommandService> undoCommandService;
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readonly IAppService appService;
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[ImportingConstructor]
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EditMenuCommand(Lazy<IUndoCommandService> undoCommandService, IAppService appService)
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: base(appService.DocumentTreeView) {
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this.undoCommandService = undoCommandService;
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this.appService = appService;
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}
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public override bool IsVisible(AsmEditorContext context) => EventDefSettingsCommand.CanExecute(context.Nodes);
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public override void Execute(AsmEditorContext context) => EventDefSettingsCommand.Execute(undoCommandService, appService, context.Nodes);
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}
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[Export, ExportMenuItem(Header = "res:EditEventCommand", Icon = DsImagesAttribute.Settings, InputGestureText = "res:ShortcutKeyAltEnter", Group = MenuConstants.GROUP_CTX_DOCVIEWER_ASMED_SETTINGS, Order = 70)]
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internal sealed class CodeCommand : CodeContextMenuHandler {
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readonly Lazy<IUndoCommandService> undoCommandService;
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readonly IAppService appService;
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[ImportingConstructor]
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CodeCommand(Lazy<IUndoCommandService> undoCommandService, IAppService appService)
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: base(appService.DocumentTreeView) {
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this.undoCommandService = undoCommandService;
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this.appService = appService;
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}
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public override bool IsEnabled(CodeContext context) => EventDefSettingsCommand.CanExecute(context.Nodes);
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public override void Execute(CodeContext context) => EventDefSettingsCommand.Execute(undoCommandService, appService, context.Nodes);
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}
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static bool CanExecute(DocumentTreeNodeData[] nodes) => nodes.Length == 1 && nodes[0] is EventNode;
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static void Execute(Lazy<IUndoCommandService> undoCommandService, IAppService appService, DocumentTreeNodeData[] nodes) {
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if (!CanExecute(nodes))
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return;
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var eventNode = (EventNode)nodes[0];
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var module = nodes[0].GetModule();
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Debug2.Assert(module is not null);
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if (module is null)
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throw new InvalidOperationException();
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var data = new EventOptionsVM(new EventDefOptions(eventNode.EventDef), module, appService.DecompilerService, eventNode.EventDef.DeclaringType);
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var win = new EventOptionsDlg();
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win.DataContext = data;
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win.Owner = appService.MainWindow;
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if (win.ShowDialog() != true)
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return;
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undoCommandService.Value.Add(new EventDefSettingsCommand(eventNode, data.CreateEventDefOptions()));
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}
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readonly EventNode eventNode;
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readonly EventDefOptions newOptions;
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readonly EventDefOptions origOptions;
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readonly DocumentTreeNodeData origParentNode;
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readonly int origParentChildIndex;
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readonly bool nameChanged;
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EventDefSettingsCommand(EventNode eventNode, EventDefOptions options) {
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this.eventNode = eventNode;
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newOptions = options;
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origOptions = new EventDefOptions(eventNode.EventDef);
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origParentNode = (DocumentTreeNodeData)eventNode.TreeNode.Parent!.Data;
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origParentChildIndex = origParentNode.TreeNode.Children.IndexOf(eventNode.TreeNode);
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Debug.Assert(origParentChildIndex >= 0);
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if (origParentChildIndex < 0)
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throw new InvalidOperationException();
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nameChanged = origOptions.Name != newOptions.Name;
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}
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public string Description => dnSpy_AsmEditor_Resources.EditEventCommand2;
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public void Execute() {
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if (nameChanged) {
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bool b = origParentChildIndex < origParentNode.TreeNode.Children.Count && origParentNode.TreeNode.Children[origParentChildIndex] == eventNode.TreeNode;
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Debug.Assert(b);
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if (!b)
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throw new InvalidOperationException();
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var isNodeSelected = eventNode.TreeNode.TreeView.SelectedItem == eventNode;
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origParentNode.TreeNode.Children.RemoveAt(origParentChildIndex);
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newOptions.CopyTo(eventNode.EventDef);
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origParentNode.TreeNode.AddChild(eventNode.TreeNode);
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if (isNodeSelected)
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origParentNode.TreeNode.TreeView.SelectItems(new[] { eventNode });
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}
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else
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newOptions.CopyTo(eventNode.EventDef);
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eventNode.TreeNode.RefreshUI();
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}
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public void Undo() {
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if (nameChanged) {
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bool b = origParentNode.TreeNode.Children.Remove(eventNode.TreeNode);
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Debug.Assert(b);
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if (!b)
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throw new InvalidOperationException();
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origOptions.CopyTo(eventNode.EventDef);
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origParentNode.TreeNode.Children.Insert(origParentChildIndex, eventNode.TreeNode);
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origParentNode.TreeNode.TreeView.SelectItems(new[] { eventNode });
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}
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else
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origOptions.CopyTo(eventNode.EventDef);
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eventNode.TreeNode.RefreshUI();
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}
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public IEnumerable<object> ModifiedObjects {
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get { yield return eventNode; }
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}
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}
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}
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