private void SyntaxModeCombo_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
Language language = (Language)_syntaxModeCombo.SelectedItem;
if (_foldingManager != null)
{
_foldingManager.Clear();
FoldingManager.Uninstall(_foldingManager);
}
string scopeName = _registryOptions.GetScopeByLanguageId(language.Id);
_textMateInstallation.SetGrammar(null);
_textEditor.Document = new TextDocument(ResourceLoader.LoadSampleFile(scopeName));
_textMateInstallation.SetGrammar(scopeName);
if (language.Id == "xml")
{
_foldingManager = FoldingManager.Install(_textEditor.TextArea);
var strategy = new XmlFoldingStrategy();
strategy.UpdateFoldings(_foldingManager, _textEditor.Document);
return;
}
}
public MainWindow()
{
InitializeComponent();
_textEditor = this.FindControl <TextEditor>("Editor");
_textEditor.Background = Brushes.Transparent;
_textEditor.ShowLineNumbers = true;
_textEditor.ContextMenu = new ContextMenu
{
Items = new List <MenuItem>
{
new MenuItem {
Header = "Copy", InputGesture = new KeyGesture(Key.C, KeyModifiers.Control)
},
new MenuItem {
Header = "Paste", InputGesture = new KeyGesture(Key.V, KeyModifiers.Control)
},
new MenuItem {
Header = "Cut", InputGesture = new KeyGesture(Key.X, KeyModifiers.Control)
}
}
};
_textEditor.TextArea.Background = this.Background;
_textEditor.TextArea.TextEntered += textEditor_TextArea_TextEntered;
_textEditor.TextArea.TextEntering += textEditor_TextArea_TextEntering;
_textEditor.Options.ShowBoxForControlCharacters = true;
_textEditor.TextArea.IndentationStrategy = new Indentation.CSharp.CSharpIndentationStrategy(_textEditor.Options);
_textEditor.TextArea.Caret.PositionChanged += Caret_PositionChanged;
_textEditor.TextArea.RightClickMovesCaret = true;
_addControlButton = this.FindControl <Button>("addControlBtn");
_addControlButton.Click += AddControlButton_Click;
_clearControlButton = this.FindControl <Button>("clearControlBtn");
_clearControlButton.Click += ClearControlButton_Click;;
_changeThemeButton = this.FindControl <Button>("changeThemeBtn");
_changeThemeButton.Click += ChangeThemeButton_Click;
_textEditor.TextArea.TextView.ElementGenerators.Add(_generator);
_registryOptions = new RegistryOptions(
(ThemeName)_currentTheme);
_textMateInstallation = _textEditor.InstallTextMate(_registryOptions);
Language csharpLanguage = _registryOptions.GetLanguageByExtension(".cs");
_syntaxModeCombo = this.FindControl <ComboBox>("syntaxModeCombo");
_syntaxModeCombo.Items = _registryOptions.GetAvailableLanguages();
_syntaxModeCombo.SelectedItem = csharpLanguage;
_syntaxModeCombo.SelectionChanged += SyntaxModeCombo_SelectionChanged;
string scopeName = _registryOptions.GetScopeByLanguageId(csharpLanguage.Id);
_textEditor.Document = new TextDocument(
"// AvaloniaEdit supports displaying control chars: \a or \b or \v" + Environment.NewLine +
ResourceLoader.LoadSampleFile(scopeName));
_textMateInstallation.SetGrammar(_registryOptions.GetScopeByLanguageId(csharpLanguage.Id));
_statusTextBlock = this.Find <TextBlock>("StatusText");
this.AddHandler(PointerWheelChangedEvent, (o, i) =>
{
if (i.KeyModifiers != KeyModifiers.Control)
{
return;
}
if (i.Delta.Y > 0)
{
_textEditor.FontSize++;
}
else
{
_textEditor.FontSize = _textEditor.FontSize > 1 ? _textEditor.FontSize - 1 : 1;
}
}, RoutingStrategies.Bubble, true);
}