internal async Task FormatText()
{
Document newDocument = EditorControl.Document;
SyntaxTree tree = await EditorControl.GetSyntaxTree();
await EditorControl.SetText(Formatter.Format(tree.GetRoot(), newDocument.Project.Solution.Workspace).GetText());
int caretOffset = EditorControl.CaretOffset;
int initialCaretOffset = caretOffset;
IEnumerable <TextChange> textChanges = await EditorControl.Document.GetTextChangesAsync(newDocument);
foreach (TextChange change in from el in textChanges where el.Span.End <= initialCaretOffset select el)
{
caretOffset -= change.Span.Length - change.NewText.Length;
}
EditorControl.SetSelection(caretOffset, 0);
}
public async Task OnPreviewKeyDown(KeyEventArgs e)
{
if (OwnerEditor.SymbolToolTip.IsVisible)
{
OwnerEditor.SymbolToolTip.IsVisible = false;
}
if (e.Key.IsNavigation())
{
CompletionCurrentlyDisabled = false;
}
if (e.Key == Key.LeftCtrl || e.Key == Key.RightCtrl)
{
IsCtrlPressed = true;
}
else if (e.Key == Avalonia.Input.Key.Up)
{
if (CompletionWindow.IsVisible)
{
if (CompletionWindow.SelectedIndex >= 0)
{
_ = CompletionWindow.UpdateSelectedIndex(-1);
}
e.Handled = true;
}
else if (MethodOverloadList.IsVisible)
{
MethodOverloadList.SelectedIndex = Math.Max(MethodOverloadList.SelectedIndex - 1, 0);
await MethodOverloadList.RenderDescription(MethodOverloadList.Items[MethodOverloadList.SelectedIndex]);
e.Handled = true;
}
}
else if (e.Key == Avalonia.Input.Key.Down)
{
if (CompletionWindow.IsVisible)
{
_ = CompletionWindow.UpdateSelectedIndex(1);
e.Handled = true;
}
else if (MethodOverloadList.IsVisible)
{
MethodOverloadList.SelectedIndex = Math.Min(MethodOverloadList.SelectedIndex + 1, MethodOverloadList.Items.Count - 1);
await MethodOverloadList.RenderDescription(MethodOverloadList.Items[MethodOverloadList.SelectedIndex]);
e.Handled = true;
}
}
if (e.Key == Avalonia.Input.Key.PageUp)
{
if (CompletionWindow.IsVisible)
{
if (CompletionWindow.SelectedIndex >= 0)
{
_ = CompletionWindow.UpdateSelectedIndex(-(int)(CompletionWindow.Height - 33) / 20);
}
e.Handled = true;
}
else if (MethodOverloadList.IsVisible)
{
MethodOverloadList.SelectedIndex = Math.Max(MethodOverloadList.SelectedIndex - 1, 0);
await MethodOverloadList.RenderDescription(MethodOverloadList.Items[MethodOverloadList.SelectedIndex]);
e.Handled = true;
}
}
else if (e.Key == Avalonia.Input.Key.PageDown)
{
if (CompletionWindow.IsVisible)
{
_ = CompletionWindow.UpdateSelectedIndex((int)(CompletionWindow.Height - 33) / 20);
e.Handled = true;
}
else if (MethodOverloadList.IsVisible)
{
MethodOverloadList.SelectedIndex = Math.Min(MethodOverloadList.SelectedIndex + 1, MethodOverloadList.Items.Count - 1);
await MethodOverloadList.RenderDescription(MethodOverloadList.Items[MethodOverloadList.SelectedIndex]);
e.Handled = true;
}
}
else if (e.Key == Key.Tab)
{
if (CompletionWindow.IsVisible)
{
await CompletionWindow.Commit();
CompletionWindow.IsVisible = false;
e.Handled = true;
}
else if (MethodOverloadList.IsVisible)
{
MethodOverloadList.IsVisible = false;
}
}
else if (e.Key == Key.Escape)
{
if (CompletionWindow.IsVisible)
{
CompletionWindow.IsVisible = false;
CompletionCurrentlyDisabled = true;
e.Handled = true;
}
else if (MethodOverloadList.IsVisible)
{
MethodOverloadList.IsVisible = false;
e.Handled = true;
}
}
else if (e.Key == Key.Delete)
{
if (CompletionWindow.IsVisible)
{
CompletionWindow.IsVisible = false;
CompletionCurrentlyDisabled = true;
}
if (MethodOverloadList.IsVisible)
{
MethodOverloadList.IsVisible = false;
}
}
else if ((e.Key == Key.Left || e.Key == Key.Right || e.Key == Key.Home || e.Key == Key.End))
{
if (CompletionWindow.IsVisible)
{
CompletionWindow.IsVisible = false;
}
if (MethodOverloadList.IsVisible)
{
MethodOverloadList.IsVisible = false;
}
}
else if (e.Key == Key.S && e.KeyModifiers == Utils.ControlCmdModifier)
{
this.OwnerEditor.Save();
}
else if (e.Key == Key.J && e.KeyModifiers == Utils.ControlCmdModifier)
{
e.Handled = true;
if (!EditorControl.IsReadOnly)
{
await OpenCompletion(true);
}
}
else if (e.Key == Key.K && e.KeyModifiers == Utils.ControlCmdModifier)
{
e.Handled = true;
if (EditorControl.CaretOffset > 0)
{
char inserted = EditorControl.Text.ToString()[EditorControl.CaretOffset - 1];
await OpenMethodOverloads(inserted);
}
}
else if (e.Key == Key.L && e.KeyModifiers == Utils.ControlCmdModifier)
{
e.Handled = true;
await OwnerEditor.CompilationErrorChecker.CheckCompilation();
}
else if ((e.Key == Key.E || e.Key == Key.D) && e.KeyModifiers == Utils.ControlCmdModifier)
{
if (!EditorControl.IsReadOnly)
{
await OwnerEditor.FormatText();
}
e.Handled = true;
}
else if (e.Key == Key.F9)
{
TextLine line = EditorControl.Text.Lines.GetLineFromPosition(EditorControl.CaretOffset);
Editor.BreakpointToggleResult result = await OwnerEditor.TryToggleBreakpoint(line.Start, line.End);
if (result == Editor.BreakpointToggleResult.Added)
{
EditorControl.CaretOffset = EditorControl.Text.Lines[line.LineNumber].End;
}
else if (result == Editor.BreakpointToggleResult.Removed)
{
EditorControl.CaretOffset = EditorControl.Text.Lines[line.LineNumber].Start;
}
e.Handled = true;
}
else if (e.Key == Key.F12)
{
ISymbol symbol = await SymbolFinder.FindSymbolAtPositionAsync(EditorControl.Document, EditorControl.CaretOffset);
if (symbol != null)
{
SyntaxNode declaration = symbol.DeclaringSyntaxReferences.Select(el => el.GetSyntax()).FirstOrDefault();
if (declaration != null)
{
PropertyInfo identifierProperty = declaration.GetType().GetProperty("Identifier", typeof(SyntaxToken));
if (identifierProperty != null)
{
SyntaxToken identifierToken = (SyntaxToken)identifierProperty.GetValue(declaration);
EditorControl.SetSelection(identifierToken.Span.Start, identifierToken.Span.Length);
}
else
{
EditorControl.SetSelection(declaration.Span.Start, declaration.Span.Length);
}
}
}
}
else if (e.Key == Key.F5 && OwnerEditor.BreakpointPanel.IsVisible)
{
OwnerEditor.BreakpointPanel.InvokeResumeClicked();
e.Handled = true;
}
}
