public void Do ()
{
if (Region.Selection.SelectedToken is TextToken) {
if (Region.Selection.Position > 0) {
Region.Selection.Position--;
return;
}
Region.Selection.Type = SelectionType.Right;
}
var previos = new SelectionTreeBuilder (SelectionType.Right).Build (Region.Root)
.TakeWhile (t => !(t.Token == Region.Selection.SelectedToken && t.Type == Region.Selection.Type))
.Reverse ().FirstOrDefault ();
if (previos != null) {
Region.Selection.SelectedToken = previos.Token;
Region.Selection.Type = previos.Type;
if (Region.Selection.SelectedToken is TextToken) {
var textToken = Region.Selection.SelectedToken as TextToken;
Region.Selection.Position = string.IsNullOrEmpty (textToken.Text) ? 0 : textToken.Text.Length;
}
}
}
public void Do ()
{
if (Region.Selection.SelectedToken is TextToken) {
var textToken = Region.Selection.SelectedToken as TextToken;
var lenght = string.IsNullOrEmpty (textToken.Text) ? 0 : textToken.Text.Length;
if (Region.Selection.Position < lenght) {
Region.Selection.Position++;
return;
}
Region.Selection.Type = SelectionType.Left;
}
var next = new SelectionTreeBuilder (SelectionType.Left).Build (Region.Root)
.SkipWhile (t => !(t.Token == Region.Selection.SelectedToken && t.Type == Region.Selection.Type))
.Skip (1).FirstOrDefault ();
if (next != null) {
Region.Selection.SelectedToken = next.Token;
Region.Selection.Type = next.Type;
}
}
