protected override void OnMouseLeftButtonDown(MouseButtonEventArgs e)
{
var selectionCmd = new TextSelectionCommand(textView, selectionView, caretView);
if (selectionCmd.CanExecute(e))
{
selectionCmd.Execute(e);
}
}
protected override void OnMouseMove(MouseEventArgs e)
{
var selectionCmd = new TextSelectionCommand(textView, selectionView, caretView);
var canExecuteSelection = selectionCmd.CanExecute(e);
if (canExecuteSelection)
{
selectionCmd.Execute(e);
}
}
protected override void OnKeyDown(KeyEventArgs e)
{
var removeTextCmd = new RemoveTextCommand(textView, caretView, selectionView);
var caretMoveCmd = new CaretMoveCommand(caretView, textView);
var selectionCmd = new TextSelectionCommand(textView, selectionView, caretView);
var deselectionCmd = new TextDeselectionCommand(selectionView);
if (removeTextCmd.CanExecute(e))
{
ExecuteTextCommand(removeTextCmd, new UndoRemoveTextCommand(textView, caretView), e);
deselectionCmd.Execute();
}
else if (caretMoveCmd.CanExecute(e))
{
caretMoveCmd.Execute(e);
deselectionCmd.Execute();
}
else if (selectionCmd.CanExecute(e))
{
selectionCmd.Execute(e);
}
}