/// <inheritdoc/>
protected override void OnMouseLeftButtonDown(MouseButtonEventArgs e)
{
base.OnMouseLeftButtonDown(e);
if (!e.Handled && TextView != null && textArea != null)
{
e.Handled = true;
textArea.Focus();
SimpleSegment currentSeg = GetTextLineSegment(e);
if (currentSeg == SimpleSegment.Invalid)
{
return;
}
textArea.Caret.Offset = currentSeg.Offset + currentSeg.Length;
if (CaptureMouse())
{
selecting = true;
selectionStart = new AnchorSegment(Document, currentSeg.Offset, currentSeg.Length);
if ((Keyboard.Modifiers & ModifierKeys.Shift) == ModifierKeys.Shift)
{
SimpleSelection simpleSelection = textArea.Selection as SimpleSelection;
if (simpleSelection != null)
{
selectionStart = new AnchorSegment(Document, simpleSelection.SurroundingSegment);
}
}
textArea.Selection = Selection.Create(textArea, selectionStart);
if ((Keyboard.Modifiers & ModifierKeys.Shift) == ModifierKeys.Shift)
{
ExtendSelection(currentSeg);
}
}
}
}
static void OnSelectAll(object target, ExecutedRoutedEventArgs args)
{
TextArea textArea = GetTextArea(target);
if (textArea != null && textArea.Document != null)
{
args.Handled = true;
textArea.Caret.Offset = textArea.Document.TextLength;
textArea.Selection = SimpleSelection.Create(textArea, 0, textArea.Document.TextLength);
}
}
/// <inheritdoc/>
public override bool Equals(object obj)
{
SimpleSelection other = obj as SimpleSelection;
if (other == null)
{
return(false);
}
return(start.Equals(other.start) && end.Equals(other.end) &&
startOffset == other.startOffset && endOffset == other.endOffset &&
textArea == other.textArea);
}
/// <inheritdoc/>
public override bool Equals(object obj)
{
SimpleSelection other = obj as SimpleSelection;
if (other == null)
{
return(false);
}
if (IsEmpty && other.IsEmpty)
{
return(true);
}
return(this.startOffset == other.startOffset && this.endOffset == other.endOffset);
}
/// <inheritdoc/>
protected void OnMouseLeftButtonDowns(MouseButtonEventArgs e)
{
base.OnMouseLeftButtonDown(e);
if (!e.Handled && TextView != null && textArea != null)
{
e.Handled = true;
textArea.Focus();
SimpleSegment currentSeg = GetTextLineSegment(e);
if (currentSeg == SimpleSegment.Invalid)
{
return;
}
textArea.Caret.Offset = currentSeg.Offset + currentSeg.Length;
int i = 0;
while (Char.IsWhiteSpace(textArea.Document.Text[currentSeg.Offset + i]) && i < currentSeg.Length)
{
i++;
}
if (CaptureMouse())
{
selecting = true;
selectionStart = new AnchorSegment(Document, currentSeg.Offset + i, currentSeg.Length - i);
if ((Keyboard.Modifiers & ModifierKeys.Shift) == ModifierKeys.Shift)
{
SimpleSelection simpleSelection = textArea.Selection as SimpleSelection;
if (simpleSelection != null)
{
selectionStart = new AnchorSegment(Document, simpleSelection.SurroundingSegment);
}
}
textArea.Selection = Selection.Create(textArea, selectionStart);
if ((Keyboard.Modifiers & ModifierKeys.Shift) == ModifierKeys.Shift)
{
ExtendSelection(currentSeg);
}
textArea.Caret.BringCaretToView(0.0);
}
}
}
static ExecutedRoutedEventHandler OnDelete(CaretMovementType caretMovement)
{
return((target, args) => {
TextArea textArea = GetTextArea(target);
if (textArea != null && textArea.Document != null)
{
if (textArea.Selection.IsEmpty)
{
TextViewPosition startPos = textArea.Caret.Position;
bool enableVirtualSpace = textArea.Options.EnableVirtualSpace;
// When pressing delete; don't move the caret further into virtual space - instead delete the newline
if (caretMovement == CaretMovementType.CharRight)
{
enableVirtualSpace = false;
}
double desiredXPos = textArea.Caret.DesiredXPos;
TextViewPosition endPos = CaretNavigationCommandHandler.GetNewCaretPosition(
textArea.TextView, startPos, caretMovement, enableVirtualSpace, ref desiredXPos);
// GetNewCaretPosition may return (0,0) as new position,
// thus we need to validate endPos before using it in the selection.
if (endPos.Line < 1 || endPos.Column < 1)
{
endPos = new TextViewPosition(Math.Max(endPos.Line, 1), Math.Max(endPos.Column, 1));
}
// Don't select the text to be deleted; just reuse the ReplaceSelectionWithText logic
var sel = new SimpleSelection(textArea, startPos, endPos);
sel.ReplaceSelectionWithText(string.Empty);
}
else
{
textArea.RemoveSelectedText();
}
textArea.Caret.BringCaretToView();
args.Handled = true;
}
});
}
public void SelectionStart_ThreeCharactersSelectedInTextEditor_ConsoleTextEditorSelectionIsEqualToTextEditorSelection()
{
avalonEditTextEditor.Text = "te000xt";
int startOffset = 2;
int endOffset = 5;
SimpleSelection expectedSelection = new SimpleSelection(startOffset, endOffset);
avalonEditTextEditor.SelectionStart = expectedSelection.StartOffset;
avalonEditTextEditor.SelectionLength = expectedSelection.Length;
// Sanity check.
Assert.AreEqual("000", avalonEditTextEditor.SelectedText);
AssertSelectionsAreEqual(expectedSelection, consoleTextEditor);
}
public void SelectionLength_NothingSelectedInTextEditor_ConsoleTextEditorSelectionMatchesTextEditorSelection()
{
avalonEditTextEditor.Text = "text";
avalonEditTextEditor.TextArea.Caret.Column = 1;
avalonEditTextEditor.SelectionLength = 0;
SimpleSelection expectedSelection = new SimpleSelection(1, 1);
AssertSelectionsAreEqual(expectedSelection, consoleTextEditor);
}
void AssertSelectionsAreEqual(SimpleSelection expectedSelection, IScriptingConsoleTextEditor consoleTextEditor)
{
int selectionLength = consoleTextEditor.SelectionStart + consoleTextEditor.SelectionLength;
SimpleSelection actualSelection = new SimpleSelection(consoleTextEditor.SelectionStart, selectionLength);
Assert.AreEqual(expectedSelection, actualSelection);
}
static ExecutedRoutedEventHandler OnDelete(CaretMovementType caretMovement)
{
return (target, args) => {
TextArea textArea = GetTextArea(target);
if (textArea != null && textArea.Document != null) {
if (textArea.Selection.IsEmpty) {
TextViewPosition startPos = textArea.Caret.Position;
bool enableVirtualSpace = textArea.Options.EnableVirtualSpace;
// When pressing delete; don't move the caret further into virtual space - instead delete the newline
if (caretMovement == CaretMovementType.CharRight)
enableVirtualSpace = false;
double desiredXPos = textArea.Caret.DesiredXPos;
TextViewPosition endPos = CaretNavigationCommandHandler.GetNewCaretPosition(
textArea.TextView, startPos, caretMovement, enableVirtualSpace, ref desiredXPos);
// GetNewCaretPosition may return (0,0) as new position,
// thus we need to validate endPos before using it in the selection.
if (endPos.Line < 1 || endPos.Column < 1)
endPos = new TextViewPosition(Math.Max(endPos.Line, 1), Math.Max(endPos.Column, 1));
// Don't select the text to be deleted; just reuse the ReplaceSelectionWithText logic
var sel = new SimpleSelection(textArea, startPos, endPos);
sel.ReplaceSelectionWithText(string.Empty);
} else {
textArea.RemoveSelectedText();
}
textArea.Caret.BringCaretToView();
args.Handled = true;
}
};
}
public void JumpTo(int line, int column)
{
locationJumpedTo = new Location(column, line);
selection = new SimpleSelection(-1, -1);
}
public void Select(int selectionStart, int selectionLength)
{
selection = new SimpleSelection(selectionStart, selectionLength + selectionStart);
}
private static ExecutedRoutedEventHandler OnDelete(CaretMovementType caretMovement)
{
return((target, args) =>
{
TextArea textArea = GetTextArea(target);
if (textArea != null && textArea.Document != null)
{
if (textArea.Selection.IsEmpty)
{
TextViewPosition startPos = textArea.Caret.Position;
bool enableVirtualSpace = textArea.Options.EnableVirtualSpace;
// When pressing delete; don't move the caret further into virtual space - instead delete the newline
if (caretMovement == CaretMovementType.CharRight)
{
enableVirtualSpace = false;
}
double desiredXPos = textArea.Caret.DesiredXPos;
TextViewPosition endPos = CaretNavigationCommandHandler.GetNewCaretPosition(
textArea.TextView, startPos, caretMovement, enableVirtualSpace, ref desiredXPos);
// GetNewCaretPosition may return (0,0) as new position,
// thus we need to validate endPos before using it in the selection.
if (endPos.Line < 1 || endPos.Column < 1)
{
endPos = new TextViewPosition(Math.Max(endPos.Line, 1), Math.Max(endPos.Column, 1));
}
// Don't select the text to be deleted; just reuse the ReplaceSelectionWithText logic
if (endPos.Column == 1)
{
var a = textArea.Document.GetLineByNumber(textArea.Caret.Line);
var b = a.PreviousLine;
if (b != null)
{
var c = b.PreviousLine;
if (b.obs != null)
{
var obs = c.obs;
var sa = textArea.Document.Text.Substring(a.Offset, a.Length + a.DelimiterLength);
var bs = textArea.Document.Text.Substring(b.Offset, b.Length + b.DelimiterLength);
var cs = textArea.Document.Text.Substring(c.Offset, c.Length + c.DelimiterLength);
textArea.Document.Remove(c.Offset + c.Length, bs.Length + sa.Length /* + c.DelimiterLength*//* + a.DelimiterLength + b.DelimiterLength*/);
textArea.Document.Insert(c.Offset + c.Length, sa);
}
else
{
var sel = new SimpleSelection(textArea, startPos, endPos);
sel.ReplaceSelectionWithText(string.Empty);
}
}
else
{
var sel = new SimpleSelection(textArea, startPos, endPos);
sel.ReplaceSelectionWithText(string.Empty);
}
}
else
{
var sel = new SimpleSelection(textArea, startPos, endPos);
sel.ReplaceSelectionWithText(string.Empty);
}
}
else
{
textArea.RemoveSelectedText();
}
}
textArea.Caret.BringCaretToView();
args.Handled = true;
});
}