// Operations (type-safe ICloneable)
/// <summary>
///
/// </summary>
/// <returns></returns>
public UndoBlockCollection Clone()
{
UndoBlockCollection tc = new UndoBlockCollection();
tc.AddRange(this);
tc.Capacity = this.m_array.Length;
tc.m_version = this.m_version;
return tc;
}
/// <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, this.m_array, m_count, collection.m_count);
m_count += collection.Count;
}
private void InsertText(string text)
{
Caret.CropPosition();
if (Selection.IsValid)
{
Selection.DeleteSelection();
InsertText(text);
}
else
{
if (!_OverWrite || text.Length > 1)
{
Row xtr = Caret.CurrentRow;
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
{
TextRange r = new TextRange();
r.FirstColumn = Caret.Position.X;
r.FirstRow = Caret.Position.Y;
r.LastColumn = Caret.Position.X + 1;
r.LastRow = Caret.Position.Y;
UndoBlockCollection ag = new UndoBlockCollection();
UndoBlock b;
b = new UndoBlock();
b.Action = UndoAction.DeleteRange;
b.Text = Document.GetRange(r);
b.Position = Caret.Position;
ag.Add(b);
Document.DeleteRange(r, false);
b = new UndoBlock();
b.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 ();
}
private void TextDraw(TextDrawDirectionType Direction)
{
TextRange r = new TextRange();
r.FirstColumn = Caret.Position.X;
r.FirstRow = Caret.Position.Y;
r.LastColumn = Caret.Position.X + 1;
r.LastRow = Caret.Position.Y;
int Style = (int) this.TextDrawStyle;
string OldChar = Document.GetRange(r);
string BorderString = TextBorderStyles[Style];
//TextBorderChars OldCharType=0;
if (OldChar == "")
OldChar = " ";
UndoBlockCollection ag = new UndoBlockCollection();
UndoBlock b;
b = new UndoBlock();
b.Action = UndoAction.DeleteRange;
b.Text = Document.GetRange(r);
b.Position = Caret.Position;
ag.Add(b);
Document.DeleteRange(r, false);
b = new UndoBlock();
b.Action = UndoAction.InsertRange;
string NewChar = "*";
b.Text = NewChar;
b.Position = Caret.Position;
ag.Add(b);
Document.AddToUndoList(ag);
Document.InsertText(NewChar, Caret.Position.X, Caret.Position.Y, false);
}
/// <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()
{
mCaptureMode = true;
mCaptureBlock = new UndoBlockCollection();
}
/// <summary>
/// Add an action to the undo stack
/// </summary>
/// <param name="ActionGroup">action to add</param>
public void AddToUndoList(UndoBlockCollection ActionGroup)
{
//int count=UndoBuffer.Count-UndoStep;
// if (count>0)
// {
// System.Windows.Forms.MessageBox.Show (UndoStep.ToString ());
// System.Windows.Forms.MessageBox.Show (count.ToString ());
// }
UndoBuffer.ClearFrom(UndoStep);
// System.Windows.Forms.MessageBox.Show (UndoBuffer.Count.ToString());
UndoBuffer.Add(ActionGroup);
UndoStep++;
this.OnUndoBufferChanged();
}
public void AddToUndoList(UndoBlock undo)
{
//store the undo action in a actiongroup
UndoBlockCollection ActionGroup = new UndoBlockCollection();
ActionGroup.Add(undo);
AddToUndoList(ActionGroup);
}
/// <summary>
/// Outdent the active selection one step
/// </summary>
public void Outdent(string Pattern)
{
if (!this.IsValid)
return;
Row xtr = null;
UndoBlockCollection ActionGroup = new UndoBlockCollection();
for (int i = this.LogicalBounds.FirstRow; i <= this.LogicalBounds.LastRow; i++)
{
xtr = Control.Document[i];
UndoBlock 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);
this.Bounds = this.LogicalBounds;
this.Bounds.FirstColumn = 0;
this.Bounds.LastColumn = xtr.Text.Length;
Control.Caret.Position.X = this.LogicalBounds.LastColumn;
Control.Caret.Position.Y = this.LogicalBounds.LastRow;
}
public void Indent(string Pattern)
{
if (!this.IsValid)
return;
Row xtr = null;
UndoBlockCollection ActionGroup = new UndoBlockCollection();
for (int i = this.LogicalBounds.FirstRow; i <= this.LogicalBounds.LastRow; i++)
{
xtr = Control.Document[i];
xtr.Text = Pattern + xtr.Text;
UndoBlock 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);
this.Bounds = this.LogicalBounds;
this.Bounds.FirstColumn = 0;
this.Bounds.LastColumn = xtr.Text.Length;
Control.Caret.Position.X = this.LogicalBounds.LastColumn;
Control.Caret.Position.Y = this.LogicalBounds.LastRow;
}
// 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);
}
// 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 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, this.m_array, m_count, collection.m_count);
m_count += collection.Count;
}