// 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.Windows;
using System.Windows.Controls;
using System.Windows.Input;
using System.Windows.Threading;
using System.Xml;
using ICSharpCode.AvalonEdit.CodeCompletion;
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()
{
// Load our custom highlighting definition
IHighlightingDefinition customHighlighting;
using (Stream s = typeof(Window1).Assembly.GetManifestResourceStream("AvalonEdit.Sample.CustomHighlighting.xshd")) {
if (s == null)
throw new InvalidOperationException("Could not find embedded resource");
using (XmlReader reader = new XmlTextReader(s)) {
customHighlighting = ICSharpCode.AvalonEdit.Highlighting.Xshd.
HighlightingLoader.Load(reader, HighlightingManager.Instance);
}
}
// and register it in the HighlightingManager
HighlightingManager.Instance.RegisterHighlighting("Custom Highlighting", new string[] { ".cool" }, customHighlighting);
InitializeComponent();
propertyGridComboBox.SelectedIndex = 2;
//textEditor.SyntaxHighlighting = HighlightingManager.Instance.GetDefinition("C#");
//textEditor.SyntaxHighlighting = customHighlighting;
// initial highlighting now set by XAML
textEditor.TextArea.TextEntering += textEditor_TextArea_TextEntering;
textEditor.TextArea.TextEntered += textEditor_TextArea_TextEntered;
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;
}
}
CompletionWindow completionWindow;
void textEditor_TextArea_TextEntered(object sender, TextCompositionEventArgs e)
{
if (e.Text == ".") {
// open code completion after the user has pressed dot:
completionWindow = new CompletionWindow(textEditor.TextArea);
// provide AvalonEdit with the data:
IList<ICompletionData> data = completionWindow.CompletionList.CompletionData;
data.Add(new MyCompletionData("Item1"));
data.Add(new MyCompletionData("Item2"));
data.Add(new MyCompletionData("Item3"));
data.Add(new MyCompletionData("Another item"));
completionWindow.Show();
completionWindow.Closed += delegate {
completionWindow = null;
};
}
}
void textEditor_TextArea_TextEntering(object sender, TextCompositionEventArgs e)
{
if (e.Text.Length > 0 && completionWindow != null) {
if (!char.IsLetterOrDigit(e.Text[0])) {
// Whenever a non-letter is typed while the completion window is open,
// insert the currently selected element.
completionWindow.CompletionList.RequestInsertion(e);
}
}
// do not set e.Handled=true - we still want to insert the character that was typed
}
#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();
textEditor.TextArea.IndentationStrategy = new ICSharpCode.AvalonEdit.Indentation.DefaultIndentationStrategy();
break;
case "C#":
case "C++":
case "PHP":
case "Java":
textEditor.TextArea.IndentationStrategy = new ICSharpCode.AvalonEdit.Indentation.CSharp.CSharpIndentationStrategy(textEditor.Options);
foldingStrategy = new BraceFoldingStrategy();
break;
default:
textEditor.TextArea.IndentationStrategy = new ICSharpCode.AvalonEdit.Indentation.DefaultIndentationStrategy();
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
}
}