// Operations (type-safe ICloneable)
/// <summary>
///
/// </summary>
/// <returns></returns>
public UndoBlockCollection Clone()
{
var tc = new UndoBlockCollection();
tc.AddRange(this);
tc.Capacity = m_array.Length;
tc.m_version = m_version;
return(tc);
}
// Public helpers (just to mimic some nice features of ArrayList)
/// <summary>
///
/// </summary>
/// <param name="collection"></param>
public void AddRange(UndoBlockCollection collection)
{
// for (int i=0; i < collection.Count; ++i) Add(collection[i]);
++m_version;
Capacity += collection.Count;
Array.Copy(collection.m_array, 0, m_array, m_count, collection.m_count);
m_count += collection.Count;
}
/// <summary>
/// Starts an Undo Capture.
/// This method can be called if you with to collect multiple text operations into one undo action
/// </summary>
public void StartUndoCapture()
{
captureMode = true;
captureBlock = new UndoBlockCollection();
}
/// <summary>
/// Add an action to the undo stack
/// </summary>
/// <param name="ActionGroup">action to add</param>
public void AddToUndoList(UndoBlockCollection ActionGroup)
{
UndoBuffer.ClearFrom(UndoStep);
UndoBuffer.Add(ActionGroup);
UndoStep++;
OnUndoBufferChanged();
}
public void AddToUndoList(UndoBlock undo)
{
//store the undo action in a actiongroup
var ActionGroup = new UndoBlockCollection {undo};
AddToUndoList(ActionGroup);
}
// Construction
public Enumerator(UndoBlockCollection tc)
{
m_collection = tc;
m_index = -1;
m_version = tc.m_version;
}
/// <summary>
///
/// </summary>
/// <param name="collection"></param>
public UndoBlockCollection(UndoBlockCollection collection)
{
AddRange(collection);
}
/// <summary>
///
/// </summary>
/// <param name="collection"></param>
public UndoBlockCollection(UndoBlockCollection collection)
{
AddRange(collection);
}
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 ();
}
// Construction
public Enumerator(UndoBlockCollection tc)
{
m_collection = tc;
m_index = - 1;
m_version = tc.m_version;
}
// Public helpers (just to mimic some nice features of ArrayList)
/// <summary>
///
/// </summary>
/// <param name="collection"></param>
public void AddRange(UndoBlockCollection collection)
{
// for (int i=0; i < collection.Count; ++i) Add(collection[i]);
++m_version;
Capacity += collection.Count;
Array.Copy(collection.m_array, 0, m_array, m_count, collection.m_count);
m_count += collection.Count;
}
// Operations (type-safe ICloneable)
/// <summary>
///
/// </summary>
/// <returns></returns>
public UndoBlockCollection Clone()
{
var tc = new UndoBlockCollection();
tc.AddRange(this);
tc.Capacity = m_array.Length;
tc.m_version = m_version;
return tc;
}
/// <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;
}
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;
}