Dnspy/Extensions/dnSpy.AsmEditor/Commands/EditMenuHandlerCommandProxy.cs

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2021-09-20 18:20:01 +02:00
/*
Copyright (C) 2014-2019 de4dot@gmail.com
This file is part of dnSpy
dnSpy is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
dnSpy is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with dnSpy. If not, see <http://www.gnu.org/licenses/>.
*/
using System;
using System.Diagnostics;
using System.Windows.Input;
namespace dnSpy.AsmEditor.Commands {
sealed class EditMenuHandlerCommandProxy : ICommand {
readonly EditMenuHandler command;
public EditMenuHandlerCommandProxy(EditMenuHandler command) => this.command = command;
AsmEditorContext CreateContext() => command.CreateContext();
event EventHandler? ICommand.CanExecuteChanged {
add => CommandManager.RequerySuggested += value;
remove => CommandManager.RequerySuggested -= value;
}
bool ICommand.CanExecute(object? parameter) {
var ctx = CreateContext();
return ctx is not null && command.IsVisible(ctx) && command.IsEnabled(ctx);
}
void ICommand.Execute(object? parameter) {
var ctx = CreateContext();
Debug2.Assert(ctx is not null);
if (ctx is not null)
command.Execute(ctx);
}
}
}