95 lines
2.7 KiB
C#
95 lines
2.7 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.Collections.ObjectModel;
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using System.ComponentModel;
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using System.Windows.Input;
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using dnSpy.Contracts.MVVM;
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namespace dnSpy.AsmEditor.Commands {
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sealed class MyObservableCollection<T> : ObservableCollection<T> {
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void OnPropertyChanged(string propName) => OnPropertyChanged(new PropertyChangedEventArgs(propName));
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public bool IsEnabled {
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get => isEnabled;
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set {
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if (isEnabled != value) {
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isEnabled = value;
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OnPropertyChanged(nameof(IsEnabled));
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}
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}
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}
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bool isEnabled = true;
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public int SelectedIndex {
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get => selectedIndex;
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set {
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if (selectedIndex != value) {
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selectedIndex = value;
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OnPropertyChanged(nameof(SelectedIndex));
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}
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}
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}
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int selectedIndex;
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public ICommand RemoveSelectedCommand => new RelayCommand(a => RemoveSelected(), a => RemoveSelectedCanExecute());
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public ICommand MoveSelectedUpCommand => new RelayCommand(a => MoveSelectedUp(), a => MoveSelectedUpCanExecute());
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public ICommand MoveSelectedDownCommand => new RelayCommand(a => MoveSelectedDown(), a => MoveSelectedDownCanExecute());
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void RemoveSelected() {
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if (!RemoveSelectedCanExecute())
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return;
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int index = SelectedIndex;
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RemoveAt(index);
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if (index < Count)
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SelectedIndex = index;
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else if (Count > 0)
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SelectedIndex = Count - 1;
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else
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SelectedIndex = -1;
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}
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bool RemoveSelectedCanExecute() => IsEnabled && SelectedIndex >= 0 && SelectedIndex < Count;
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void MoveSelectedUp() {
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if (!MoveSelectedUpCanExecute())
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return;
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int index = SelectedIndex;
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var item = this[index];
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RemoveAt(index);
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Insert(index - 1, item);
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SelectedIndex = index - 1;
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}
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bool MoveSelectedUpCanExecute() => IsEnabled && SelectedIndex > 0 && SelectedIndex < Count;
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void MoveSelectedDown() {
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if (!MoveSelectedDownCanExecute())
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return;
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int index = SelectedIndex;
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var item = this[index];
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RemoveAt(index);
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Insert(index + 1, item);
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SelectedIndex = index + 1;
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}
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bool MoveSelectedDownCanExecute() => IsEnabled && SelectedIndex >= 0 && SelectedIndex < Count - 1;
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}
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}
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