SharpDevelop/samples/AvalonEdit.Sample/Window1.xaml.cs

// Copyright (c) 2009 Daniel Grunwald
// 
// 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.IO;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Threading;

using ICSharpCode.AvalonEdit.Folding;
using ICSharpCode.AvalonEdit.Highlighting;
using Microsoft.Win32;

namespace AvalonEdit.Sample
{
	/// <summary>
	/// Interaction logic for Window1.xaml
	/// </summary>
	public partial class Window1 : Window
	{
		public Window1()
		{
			InitializeComponent();
			propertyGridComboBox.SelectedIndex = 2;
			
			textEditor.SyntaxHighlighting = HighlightingManager.Instance.GetDefinition("C#");
			textEditor.TextArea.TextView.ElementGenerators.Add(new ImageElementGenerator(Path.GetFullPath("../..")));
			textEditor.TextArea.TextView.LineTransformers.Add(new ColorizeAvalonEdit());
			
			DispatcherTimer foldingUpdateTimer = new DispatcherTimer();
			foldingUpdateTimer.Interval = TimeSpan.FromSeconds(2);
			foldingUpdateTimer.Tick += foldingUpdateTimer_Tick;
			foldingUpdateTimer.Start();
		}

		string currentFileName;
		
		void openFileClick(object sender, RoutedEventArgs e)
		{
			OpenFileDialog dlg = new OpenFileDialog();
			dlg.CheckFileExists = true;
			if (dlg.ShowDialog() ?? false) {
				currentFileName = dlg.FileName;
				textEditor.Load(currentFileName);
				textEditor.SyntaxHighlighting = HighlightingManager.Instance.GetDefinitionByExtension(Path.GetExtension(currentFileName));
			}
		}
		
		void saveFileClick(object sender, EventArgs e)
		{
			if (currentFileName == null) {
				SaveFileDialog dlg = new SaveFileDialog();
				dlg.DefaultExt = ".txt";
				if (dlg.ShowDialog() ?? false) {
					currentFileName = dlg.FileName;
				} else {
					return;
				}
			}
			textEditor.Save(currentFileName);
		}
		
		void propertyGridComboBoxSelectionChanged(object sender, RoutedEventArgs e)
		{
			if (propertyGrid == null)
				return;
			switch (propertyGridComboBox.SelectedIndex) {
				case 0:
					propertyGrid.SelectedObject = textEditor;
					break;
				case 1:
					propertyGrid.SelectedObject = textEditor.TextArea;
					break;
				case 2:
					propertyGrid.SelectedObject = textEditor.Options;
					break;
			}
		}
		
		#region Folding
		FoldingManager foldingManager;
		AbstractFoldingStrategy foldingStrategy;
		
		void HighlightingComboBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
		{
			if (textEditor.SyntaxHighlighting == null) {
				foldingStrategy = null;
			} else {
				switch (textEditor.SyntaxHighlighting.Name) {
					case "XML":
						foldingStrategy = new XmlFoldingStrategy();
						break;
					case "C#":
					case "C++":
					case "PHP":
					case "Java":
						foldingStrategy = new BraceFoldingStrategy();
						break;
					default:
						foldingStrategy = null;
						break;
				}
			}
			if (foldingStrategy != null) {
				if (foldingManager == null)
					foldingManager = FoldingManager.Install(textEditor.TextArea);
				foldingStrategy.UpdateFoldings(foldingManager, textEditor.Document);
			} else {
				if (foldingManager != null) {
					FoldingManager.Uninstall(foldingManager);
					foldingManager = null;
				}
			}
		}
		
		void foldingUpdateTimer_Tick(object sender, EventArgs e)
		{
			if (foldingStrategy != null) {
				foldingStrategy.UpdateFoldings(foldingManager, textEditor.Document);
			}
		}
		#endregion
	}
}