139 lines
4.2 KiB
C#
139 lines
4.2 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;
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using System.Linq;
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using System.Windows.Input;
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using dnlib.DotNet;
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using dnSpy.AsmEditor.Commands;
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using dnSpy.AsmEditor.ViewHelpers;
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using dnSpy.Contracts.Decompiler;
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using dnSpy.Contracts.MVVM;
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namespace dnSpy.AsmEditor.DnlibDialogs {
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// Needed by ListVMControl
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abstract class ListVM : ViewModelBase {
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public abstract void EditItem();
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}
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abstract class ListVM<TVM, TModel> : ListVM where TVM : class {
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public IEdit<TVM> EditObject {
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set => editObject = value;
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}
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IEdit<TVM>? editObject;
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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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Collection.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 bool InlineEditing => inlineEditing;
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public bool NotInlineEditing => !InlineEditing;
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public ICommand EditCommand => new RelayCommand(a => EditItem(), a => EditItemCanExecute());
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public ICommand AddCommand => new RelayCommand(a => AddItem(), a => AddItemCanExecute());
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public MyObservableCollection<TVM> Collection { get; } = new MyObservableCollection<TVM>();
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public ModuleDef OwnerModule { get; }
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readonly string? editString;
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readonly string? createString;
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protected readonly IDecompilerService decompilerService;
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protected readonly TypeDef? ownerType;
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protected readonly MethodDef? ownerMethod;
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readonly bool inlineEditing;
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protected ListVM(string? editString, string? createString, ModuleDef ownerModule, IDecompilerService decompilerService, TypeDef? ownerType, MethodDef? ownerMethod, bool inlineEditing = false) {
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this.editString = editString;
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this.createString = createString;
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OwnerModule = ownerModule;
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this.decompilerService = decompilerService;
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this.ownerType = ownerType;
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this.ownerMethod = ownerMethod;
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this.inlineEditing = inlineEditing;
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((INotifyPropertyChanged)Collection).PropertyChanged += Collection_PropertyChanged;
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}
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void Collection_PropertyChanged(object? sender, PropertyChangedEventArgs e) {
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if (e.PropertyName == nameof(Collection.IsEnabled))
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IsEnabled = Collection.IsEnabled;
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}
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protected abstract TVM Create(TModel model);
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protected abstract TVM Clone(TVM obj);
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protected abstract TVM Create();
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public void InitializeFrom(IEnumerable<TModel> modelObjs) {
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Collection.Clear();
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Collection.AddRange(modelObjs.Select(a => Create(a)));
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}
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TVM? EditClone(TVM obj) {
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if (InlineEditing)
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return obj;
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if (editObject is null)
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throw new InvalidOperationException();
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return editObject.Edit(editString, obj);
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}
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TVM? AddNew(TVM obj) {
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if (InlineEditing)
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return obj;
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if (editObject is null)
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throw new InvalidOperationException();
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return editObject.Edit(createString, obj);
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}
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public override void EditItem() {
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if (!EditItemCanExecute())
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return;
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int index = Collection.SelectedIndex;
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var vm = EditClone(Clone(Collection[index]));
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if (vm is not null) {
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Collection[index] = vm;
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Collection.SelectedIndex = index;
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}
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}
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bool EditItemCanExecute() => NotInlineEditing && Collection.SelectedIndex >= 0 && Collection.SelectedIndex < Collection.Count;
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protected virtual void AddItem() {
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if (!AddItemCanExecute())
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return;
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var vm = AddNew(Create());
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if (vm is not null) {
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var index = GetAddIndex(vm);
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Collection.Insert(index, vm);
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Collection.SelectedIndex = index;
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}
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}
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protected virtual int GetAddIndex(TVM obj) => Collection.Count;
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protected virtual bool AddItemCanExecute() => true;
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}
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}
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