ILSpy/ILSpy/OpenFromGacDialog.xaml.cs

// Copyright (c) 2011 AlphaSierraPapa for the SharpDevelop Team
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.

using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Threading;

using ICSharpCode.ILSpy.Controls;
using Mono.Cecil;

namespace ICSharpCode.ILSpy
{
	/// <summary>
	/// Interaction logic for OpenFromGacDialog.xaml
	/// </summary>
	public partial class OpenFromGacDialog : Window
	{
		ObservableCollection<GacEntry> gacEntries = new ObservableCollection<GacEntry>();
		ObservableCollection<GacEntry> filteredEntries = new ObservableCollection<GacEntry>();
		volatile bool cancelFetchThread;
		
		public OpenFromGacDialog()
		{
			InitializeComponent();
			listView.ItemsSource = filteredEntries;
			SortableGridViewColumn.SetCurrentSortColumn(listView, nameColumn);
			SortableGridViewColumn.SetSortDirection(listView, ColumnSortDirection.Ascending);
			
			new Thread(new ThreadStart(FetchGacContents)).Start();
		}
		
		protected override void OnClosing(CancelEventArgs e)
		{
			base.OnClosing(e);
			cancelFetchThread = true;
		}
		
		#region Fetch Gac Contents
		sealed class GacEntry
		{
			readonly AssemblyNameReference r;
			readonly string fileName;
			
			public GacEntry(AssemblyNameReference r, string fileName)
			{
				this.r = r;
				this.fileName = fileName;
			}
			
			public string FullName {
				get { return r.FullName; }
			}
			
			public string ShortName {
				get { return r.Name; }
			}
			
			public string FileName {
				get { return fileName; }
			}
			
			public Version Version {
				get { return r.Version; }
			}
			
			public string Culture {
				get { return r.Culture; }
			}
			
			public string PublicKeyToken {
				get {
					StringBuilder s = new StringBuilder();
					foreach (byte b in r.PublicKeyToken)
						s.Append(b.ToString("x2"));
					return s.ToString();
				}
			}
			
			public override string ToString()
			{
				return r.FullName;
			}
		}
		
		void FetchGacContents()
		{
			HashSet<string> fullNames = new HashSet<string>();
			foreach (var r in GacInterop.GetGacAssemblyFullNames()) {
				if (cancelFetchThread)
					return;
				if (fullNames.Add(r.FullName)) { // filter duplicates
					var file = GacInterop.FindAssemblyInNetGac(r);
					if (file != null) {
						var entry = new GacEntry(r, file);
						Dispatcher.BeginInvoke(DispatcherPriority.Normal, new Action<GacEntry>(AddNewEntry), entry);
					}
				}
			}
		}
		
		void AddNewEntry(GacEntry entry)
		{
			gacEntries.Add(entry);
			string filter = filterTextBox.Text;
			if (string.IsNullOrEmpty(filter) || entry.ShortName.IndexOf(filter, StringComparison.OrdinalIgnoreCase) >= 0)
				filteredEntries.Add(entry);
		}
		#endregion
		
		void FilterTextBox_TextChanged(object sender, TextChangedEventArgs e)
		{
			string filter = filterTextBox.Text;
			filteredEntries.Clear();
			foreach (GacEntry entry in gacEntries) {
				if (string.IsNullOrEmpty(filter) || entry.ShortName.IndexOf(filter, StringComparison.OrdinalIgnoreCase) >= 0)
					filteredEntries.Add(entry);
			}
		}
		
		void ListView_SelectionChanged(object sender, SelectionChangedEventArgs e)
		{
			okButton.IsEnabled = listView.SelectedItems.Count > 0;
		}
		
		void OKButton_Click(object sender, RoutedEventArgs e)
		{
			this.DialogResult = true;
			Close();
		}
		
		public string[] SelectedFileNames {
			get {
				return listView.SelectedItems.OfType<GacEntry>().Select(e => e.FileName).ToArray();
			}
		}
	}
}