/// <summary>
/// Outdent the active selection one step
/// </summary>
public void Outdent(string Pattern)
{
if (!IsValid)
return;
Row xtr = null;
var ActionGroup = new UndoBlockCollection();
for (int i = LogicalBounds.FirstRow;
i <=
LogicalBounds.LastRow;
i++)
{
xtr = Control.Document[i];
var b = new UndoBlock();
b.Action = UndoAction.DeleteRange;
b.Position.X = 0;
b.Position.Y = i;
ActionGroup.Add(b);
string s = xtr.Text;
if (s.StartsWith(Pattern))
{
b.Text = s.Substring(0, Pattern.Length);
s = s.Substring(Pattern.Length);
}
xtr.Text = s;
}
if (ActionGroup.Count > 0)
Control.Document.AddToUndoList(ActionGroup);
Bounds = LogicalBounds;
Bounds.FirstColumn = 0;
Bounds.LastColumn = xtr.Text.Length;
Control.Caret.Position.X = LogicalBounds.LastColumn;
Control.Caret.Position.Y = LogicalBounds.LastRow;
}
private void InsertText(string text)
{
Caret.CropPosition();
if (Selection.IsValid)
{
Selection.DeleteSelection();
InsertText(text);
}
else
{
if (!_OverWrite || text.Length > 1)
{
TextPoint p = Document.InsertText(text, Caret.Position.X,
Caret.Position.Y);
Caret.CurrentRow.Parse(true);
if (text.Length == 1)
{
Caret.SetPos(p);
Caret.CaretMoved(false);
}
else
{
//Document.i = true;
Document.ResetVisibleRows();
Caret.SetPos(p);
Caret.CaretMoved(false);
}
}
else
{
var r = new TextRange
{
FirstColumn = Caret.Position.X,
FirstRow = Caret.Position.Y,
LastColumn = (Caret.Position.X + 1),
LastRow = Caret.Position.Y
};
var ag = new UndoBlockCollection();
var b = new UndoBlock
{
Action = UndoAction.DeleteRange,
Text = Document.GetRange(r),
Position = Caret.Position
};
ag.Add(b);
Document.DeleteRange(r, false);
b = new UndoBlock
{
Action = UndoAction.InsertRange
};
string NewChar = text;
b.Text = NewChar;
b.Position = Caret.Position;
ag.Add(b);
Document.AddToUndoList(ag);
Document.InsertText(NewChar, Caret.Position.X, Caret.Position.Y,
false);
Caret.CurrentRow.Parse(true);
Caret.MoveRight(false);
}
}
// this.ScrollIntoView ();
}
public void Indent(string Pattern)
{
if (!IsValid)
return;
Row xtr = null;
var ActionGroup = new UndoBlockCollection();
for (int i = LogicalBounds.FirstRow;
i <=
LogicalBounds.LastRow;
i++)
{
xtr = Control.Document[i];
xtr.Text = Pattern + xtr.Text;
var b = new UndoBlock();
b.Action = UndoAction.InsertRange;
b.Text = Pattern;
b.Position.X = 0;
b.Position.Y = i;
ActionGroup.Add(b);
}
if (ActionGroup.Count > 0)
Control.Document.AddToUndoList(ActionGroup);
Bounds = LogicalBounds;
Bounds.FirstColumn = 0;
Bounds.LastColumn = xtr.Text.Length;
Control.Caret.Position.X = LogicalBounds.LastColumn;
Control.Caret.Position.Y = LogicalBounds.LastRow;
}