private void TextArea_TextEntered(object sender, TextInputEventArgs e)
{
if (Editor != null)
{
e.Handled = Editor.OnTextEntered(e.Text);
}
_intellisenseManager?.OnTextInput(e, CaretOffset, TextArea.Caret.Line, TextArea.Caret.Column);
_textEntering = false;
}
private void TextArea_TextEntered(object sender, TextInputEventArgs e)
{
_intellisenseManager?.OnTextInput(e, CaretOffset, TextArea.Caret.Line, TextArea.Caret.Column);
_textEntering = false;
if (TextArea.Selection.IsEmpty)
{
if (LanguageService != null && LanguageService.InputHelpers != null)
{
foreach (var helper in LanguageService.InputHelpers)
{
helper.AfterTextInput(LanguageService, DocumentAccessor, e);
}
}
}
}
public CodeEditor()
{
_codeAnalysisRunner = new JobRunner(1);
_shell = IoC.Get <IShell>();
_snippetManager = IoC.Get <SnippetManager>();
_lineNumberMargin = new LineNumberMargin(this);
_breakpointMargin = new BreakPointMargin(this, IoC.Get <IDebugManager2>().Breakpoints);
_selectedLineBackgroundRenderer = new SelectedLineBackgroundRenderer(this);
_selectedWordBackgroundRenderer = new SelectedWordBackgroundRenderer();
_columnLimitBackgroundRenderer = new ColumnLimitBackgroundRenderer();
_selectedDebugLineBackgroundRenderer = new SelectedDebugLineBackgroundRenderer();
TextArea.TextView.Margin = new Thickness(10, 0, 0, 0);
TextArea.TextView.BackgroundRenderers.Add(_selectedDebugLineBackgroundRenderer);
TextArea.TextView.LineTransformers.Add(_selectedDebugLineBackgroundRenderer);
TextArea.SelectionBrush = Brush.Parse("#AA569CD6");
TextArea.SelectionCornerRadius = 0;
this.GetObservable(LineNumbersVisibleProperty).Subscribe(s =>
{
if (s)
{
TextArea.LeftMargins.Add(_lineNumberMargin);
}
else
{
TextArea.LeftMargins.Remove(_lineNumberMargin);
}
});
this.GetObservable(ShowBreakpointsProperty).Subscribe(s =>
{
if (s)
{
TextArea.LeftMargins.Insert(0, _breakpointMargin);
}
else
{
TextArea.LeftMargins.Remove(_breakpointMargin);
}
});
this.GetObservable(HighlightSelectedWordProperty).Subscribe(s =>
{
if (s)
{
TextArea.TextView.BackgroundRenderers.Add(_selectedWordBackgroundRenderer);
}
else
{
TextArea.TextView.BackgroundRenderers.Remove(_selectedWordBackgroundRenderer);
}
});
this.GetObservable(HighlightSelectedLineProperty).Subscribe(s =>
{
if (s)
{
TextArea.TextView.BackgroundRenderers.Insert(0, _selectedLineBackgroundRenderer);
}
else
{
TextArea.TextView.BackgroundRenderers.Remove(_selectedLineBackgroundRenderer);
}
});
this.GetObservable(ShowColumnLimitProperty).Subscribe(s =>
{
if (s)
{
TextArea.TextView.BackgroundRenderers.Add(_columnLimitBackgroundRenderer);
}
else
{
TextArea.TextView.BackgroundRenderers.Remove(_columnLimitBackgroundRenderer);
}
});
Options = new AvaloniaEdit.TextEditorOptions
{
ConvertTabsToSpaces = true,
IndentationSize = 4
};
BackgroundRenderersProperty.Changed.Subscribe(s =>
{
if (s.Sender == this)
{
if (s.OldValue != null)
{
foreach (var renderer in (ObservableCollection <IBackgroundRenderer>)s.OldValue)
{
TextArea.TextView.BackgroundRenderers.Remove(renderer);
}
}
if (s.NewValue != null)
{
foreach (var renderer in (ObservableCollection <IBackgroundRenderer>)s.NewValue)
{
TextArea.TextView.BackgroundRenderers.Add(renderer);
}
}
}
});
DocumentLineTransformersProperty.Changed.Subscribe(s =>
{
if (s.Sender == this)
{
if (s.OldValue != null)
{
foreach (var renderer in (ObservableCollection <IVisualLineTransformer>)s.OldValue)
{
TextArea.TextView.LineTransformers.Remove(renderer);
}
}
if (s.NewValue != null)
{
foreach (var renderer in (ObservableCollection <IVisualLineTransformer>)s.NewValue)
{
TextArea.TextView.LineTransformers.Add(renderer);
}
}
}
});
this.GetObservable(CaretOffsetProperty).Subscribe(s =>
{
if (Document?.TextLength > s)
{
CaretOffset = s;
}
});
/*_analysisTriggerEvents.Select(_ => Observable.Timer(TimeSpan.FromMilliseconds(300)).ObserveOn(AvaloniaScheduler.Instance)
* .SelectMany(o => DoCodeAnalysisAsync())).Switch().Subscribe(_ => { });*/
_analysisTriggerEvents.Throttle(TimeSpan.FromMilliseconds(300)).ObserveOn(AvaloniaScheduler.Instance).Subscribe(async _ =>
{
await DoCodeAnalysisAsync();
});
this.GetObservableWithHistory(SourceFileProperty).Subscribe((file) =>
{
if (file.Item1 != file.Item2)
{
if (System.IO.File.Exists(file.Item2.Location))
{
using (var fs = System.IO.File.OpenText(file.Item2.Location))
{
Document = new TextDocument(fs.ReadToEnd())
{
FileName = file.Item2.Location
};
}
}
_isLoaded = true;
RegisterLanguageService(file.Item2);
TextArea.TextView.Redraw();
}
});
TextArea.TextEntering += (sender, e) =>
{
_textEntering = true;
};
TextArea.Caret.PositionChanged += (sender, e) =>
{
if (_intellisenseManager != null && !_textEntering)
{
if (TextArea.Selection.IsEmpty)
{
var location = Document.GetLocation(CaretOffset);
_intellisenseManager.SetCursor(CaretOffset, location.Line, location.Column, UnsavedFiles.ToList());
}
else
{
var offset = Document.GetOffset(TextArea.Selection.StartPosition.Location);
_intellisenseManager.SetCursor(offset, TextArea.Selection.StartPosition.Line, TextArea.Selection.StartPosition.Column, UnsavedFiles.ToList());
}
}
if (CaretOffset > 0)
{
var prevLocation = new TextViewPosition(Document.GetLocation(CaretOffset - 1));
var visualLocation = TextArea.TextView.GetVisualPosition(prevLocation, VisualYPosition.LineBottom);
var visualLocationTop = TextArea.TextView.GetVisualPosition(prevLocation, VisualYPosition.LineTop);
var position = visualLocation - TextArea.TextView.ScrollOffset;
position = position.Transform(TextArea.TextView.TransformToVisual(TextArea).Value);
_intellisenseControl.SetLocation(position);
_completionAssistantControl.SetLocation(position);
_selectedWordBackgroundRenderer.SelectedWord = GetWordAtOffset(CaretOffset);
Line = TextArea.Caret.Line;
Column = TextArea.Caret.Column;
EditorCaretOffset = TextArea.Caret.Offset;
}
};
TextArea.TextEntered += (sender, e) =>
{
_intellisenseManager?.OnTextInput(e, CaretOffset, TextArea.Caret.Line, TextArea.Caret.Column);
_textEntering = false;
};
_intellisense = new IntellisenseViewModel();
_completionAssistant = new CompletionAssistantViewModel(_intellisense);
EventHandler <KeyEventArgs> tunneledKeyUpHandler = (send, ee) =>
{
if (CaretOffset > 0)
{
_intellisenseManager?.OnKeyUp(ee, CaretOffset, TextArea.Caret.Line, TextArea.Caret.Column);
}
};
EventHandler <KeyEventArgs> tunneledKeyDownHandler = (send, ee) =>
{
if (CaretOffset > 0)
{
_intellisenseManager?.OnKeyDown(ee, CaretOffset, TextArea.Caret.Line, TextArea.Caret.Column);
if (ee.Key == Key.Tab && _currentSnippetContext == null && LanguageService != null)
{
var wordStart = Document.FindPrevWordStart(CaretOffset);
if (wordStart > 0)
{
string word = Document.GetText(wordStart, CaretOffset - wordStart);
var codeSnippet = _snippetManager.GetSnippet(LanguageService, SourceFile.Project?.Solution, SourceFile.Project, word);
if (codeSnippet != null)
{
var snippet = SnippetParser.Parse(LanguageService, CaretOffset, TextArea.Caret.Line, TextArea.Caret.Column, codeSnippet.Snippet);
_intellisenseManager.CloseIntellisense();
using (Document.RunUpdate())
{
Document.Remove(wordStart, CaretOffset - wordStart);
_intellisenseManager.IncludeSnippets = false;
_currentSnippetContext = snippet.Insert(TextArea);
}
if (_currentSnippetContext.ActiveElements.Count() > 0)
{
IDisposable disposable = null;
disposable = Observable.FromEventPattern <SnippetEventArgs>(_currentSnippetContext, nameof(_currentSnippetContext.Deactivated)).Take(1).Subscribe(o =>
{
_currentSnippetContext = null;
_intellisenseManager.IncludeSnippets = true;
disposable.Dispose();
});
}
else
{
_currentSnippetContext = null;
_intellisenseManager.IncludeSnippets = true;
}
}
}
}
}
};
EventHandler <TextInputEventArgs> tunneledTextInputHandler = (send, ee) =>
{
if (CaretOffset > 0)
{
_intellisenseManager?.OnTextInput(ee, CaretOffset, TextArea.Caret.Line, TextArea.Caret.Column);
}
};
AddHandler(KeyDownEvent, tunneledKeyDownHandler, RoutingStrategies.Tunnel);
AddHandler(KeyUpEvent, tunneledKeyUpHandler, RoutingStrategies.Tunnel);
}
