public FormatRange(TextRange Bounds, Color ForeColor, Color BackColor)
{
this.BackColor = BackColor;
this.ForeColor = ForeColor;
this.Bounds = Bounds;
this.Bounds.Change += new EventHandler(this.BoundsChanged);
}
private void DeleteBackwards()
{
Caret.CropPosition();
if (Selection.IsValid)
Selection.DeleteSelection();
else
{
Row xtr = Caret.CurrentRow;
if (Caret.Position.X == 0)
{
if (Caret.Position.Y > 0)
{
Caret.Position.Y --;
Caret.MoveEnd(false);
DeleteForward();
//Caret.CurrentRow.Parse ();
Document.ResetVisibleRows();
}
}
else
{
if (Caret.Position.X >= xtr.Text.Length)
{
TextRange r = new TextRange();
r.FirstColumn = Caret.Position.X - 1;
r.FirstRow = Caret.Position.Y;
r.LastRow = r.FirstRow;
r.LastColumn = r.FirstColumn + 1;
Document.DeleteRange(r);
Document.ResetVisibleRows();
Caret.MoveEnd(false);
Caret.CurrentRow.Parse();
}
else
{
TextRange r = new TextRange();
r.FirstColumn = Caret.Position.X - 1;
r.FirstRow = Caret.Position.Y;
r.LastRow = r.FirstRow;
r.LastColumn = r.FirstColumn + 1;
Document.DeleteRange(r);
Document.ResetVisibleRows();
Caret.MoveLeft(false);
Caret.CurrentRow.Parse();
}
}
}
}
private void DeleteForward()
{
Caret.CropPosition();
if (Selection.IsValid)
Selection.DeleteSelection();
else
{
Row xtr = Caret.CurrentRow;
if (Caret.Position.X == xtr.Text.Length)
{
if (Caret.Position.Y <= Document.Count - 2)
{
TextRange r = new TextRange();
r.FirstColumn = Caret.Position.X;
r.FirstRow = Caret.Position.Y;
r.LastRow = r.FirstRow + 1;
r.LastColumn = 0;
Document.DeleteRange(r);
Document.ResetVisibleRows();
}
}
else
{
TextRange r = new TextRange();
r.FirstColumn = Caret.Position.X;
r.FirstRow = Caret.Position.Y;
r.LastRow = r.FirstRow;
r.LastColumn = r.FirstColumn + 1;
Document.DeleteRange(r);
Document.ResetVisibleRows();
Caret.CurrentRow.Parse(false);
Caret.CurrentRow.Parse(true);
}
}
}
private void OutdentEndRow()
{
//try
//{
if (this.Indent == IndentStyle.Scope)
{
Row xtr = Caret.CurrentRow;
string ct = xtr.Text.Substring(0, xtr.GetLeadingWhitespace().Length);
string indent1 = new String('\t', Caret.CurrentRow.Depth);
TextRange tr = new TextRange();
tr.FirstColumn = 0;
tr.LastColumn = xtr.GetLeadingWhitespace().Length;
tr.FirstRow = xtr.Index;
tr.LastRow = xtr.Index;
this.Document.DeleteRange(tr);
this.Document.InsertText(indent1, 0, xtr.Index, true);
int diff = indent1.Length - tr.LastColumn;
Caret.Position.X += diff;
Caret.SetPos(Caret.Position);
Caret.CropPosition();
Selection.ClearSelection();
Caret.CurrentRow.Parse(false);
Caret.CurrentRow.Parse(true);
}
else if (this.Indent == IndentStyle.Smart)
{
Row xtr = Caret.CurrentRow;
if (xtr.FirstNonWsWord == xtr.Expansion_EndSegment.EndWord)
{
string ct = xtr.Text.Substring(0, xtr.GetLeadingWhitespace().Length);
//int j=xtr.Expansion_StartRow.StartWordIndex;
string indent1 = xtr.StartSegment.StartWord.Row.GetVirtualLeadingWhitespace();
TextRange tr = new TextRange();
tr.FirstColumn = 0;
tr.LastColumn = xtr.GetLeadingWhitespace().Length;
tr.FirstRow = xtr.Index;
tr.LastRow = xtr.Index;
this.Document.DeleteRange(tr);
string ts = "\t" + new String(' ', this.TabSize);
while (indent1.IndexOf(ts) >= 0)
{
indent1 = indent1.Replace(ts, "\t\t");
}
this.Document.InsertText(indent1, 0, xtr.Index, true);
int diff = indent1.Length - tr.LastColumn;
Caret.Position.X += diff;
Caret.SetPos(Caret.Position);
Caret.CropPosition();
Selection.ClearSelection();
Caret.CurrentRow.Parse(false);
Caret.CurrentRow.Parse(true);
}
}
//}
//catch
//{
//}
}
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 ();
}
public void InsertAutolistText()
{
TextRange tr = new TextRange();
tr.FirstRow = Caret.Position.Y;
tr.LastRow = Caret.Position.Y;
tr.FirstColumn = AutoListStartPos.X;
tr.LastColumn = Caret.Position.X;
Document.DeleteRange(tr, true);
Caret.Position.X = AutoListStartPos.X;
this.InsertText(AutoList.SelectedText);
SetFocus();
}
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>
/// Get a range of text
/// </summary>
/// <param name="Range">The range to get</param>
/// <returns>string containing the text inside the given range</returns>
public string GetRange(TextRange Range)
{
if (Range.FirstRow >= this.Count)
Range.FirstRow = this.Count;
if (Range.LastRow >= this.Count)
Range.LastRow = this.Count;
if (Range.FirstRow != Range.LastRow)
{
//note:error has been tracked here
Row r1 = this[Range.FirstRow];
int mx = Math.Min(r1.Text.Length, Range.FirstColumn);
string s1 = r1.Text.Substring(mx) + Environment.NewLine;
//if (Range.LastRow >= this.Count)
// Range.LastRow=this.Count -1;
Row r2 = this[Range.LastRow];
if (r2 == null)
return "";
int Max = Math.Min(r2.Text.Length, Range.LastColumn);
string s2 = r2.Text.Substring(0, Max);
string s3 = "";
StringBuilder sb = new StringBuilder();
for (int i = Range.FirstRow + 1; i <= Range.LastRow - 1; i++)
{
Row r3 = this[i];
sb.Append(r3.Text + Environment.NewLine);
}
s3 = sb.ToString();
return s1 + s3 + s2;
}
else
{
Row r = this[Range.FirstRow];
int Max = Math.Min(r.Text.Length, Range.LastColumn);
int Length = Max - Range.FirstColumn;
if (Length <= 0)
return "";
string s = r.Text.Substring(Range.FirstColumn, Max - Range.FirstColumn);
return s;
}
}
/// <summary>
/// Deletes a range of text
/// </summary>
/// <param name="Range">Range to delete</param>
/// <param name="StoreUndo">true if the actions should be pushed onto the undo stack</param>
public void DeleteRange(TextRange Range, bool StoreUndo)
{
TextRange r = Range;
Modified = true;
if (StoreUndo)
{
string deltext = GetRange(Range);
PushUndoBlock(UndoAction.DeleteRange, deltext, r.FirstColumn, r.FirstRow);
}
if (r.FirstRow == r.LastRow)
{
Row xtr = this[r.FirstRow];
int max = Math.Min(r.FirstColumn, xtr.Text.Length);
string left = xtr.Text.Substring(0, max);
string right = "";
if (xtr.Text.Length >= r.LastColumn)
right = xtr.Text.Substring(r.LastColumn);
xtr.Text = left + right;
}
else
{
if (r.LastRow > this.Count - 1)
r.LastRow = this.Count - 1;
string row1 = "";
Row xtr = this[r.FirstRow];
if (r.FirstColumn > xtr.Text.Length)
{
int diff = r.FirstColumn - xtr.Text.Length;
string ws = new string(' ', diff);
this.InsertText(ws, xtr.Text.Length, r.FirstRow, true);
//return;
}
row1 = xtr.Text.Substring(0, r.FirstColumn);
string row2 = "";
Row xtr2 = this[r.LastRow];
int Max = Math.Min(xtr2.Text.Length, r.LastColumn);
row2 = xtr2.Text.Substring(Max);
string tot = row1 + row2;
//bool fold=this[r.LastRow].IsCollapsed | this[r.FirstRow].IsCollapsed ;
int start = r.FirstRow;
int end = r.LastRow;
for (int i = end - 1; i >= start; i--)
{
this.Remove(i, false, false);
}
//todo: DeleteRange error
//this.Insert ( tot ,r.FirstRow,false);
Row row = this[start];
bool f = row.IsCollapsed;
row.Expanded = true;
row.Text = tot;
row.StartSegments.Clear();
row.EndSegments.Clear();
row.StartSegment = null;
row.EndSegment = null;
row.Parse();
// if (row.CanFold)
// row.Expansion_StartSegment.Expanded = !fold;
}
//ShirinkFormatRanges
if (this.FormatRanges != null)
{
this.FormatRanges.Shrink(Range);
}
ResetVisibleRows();
OnChange();
}
/// <summary>
/// Deletes a range of text
/// </summary>
/// <param name="Range">the range that should be deleted</param>
public void DeleteRange(TextRange Range)
{
DeleteRange(Range, true);
}
/// <summary>
/// Remove a row at specified row index
/// </summary>
/// <param name="index">index of the row that should be removed</param>
/// <param name="StoreUndo">true if and undo action should be added to the undo stack</param>
public void Remove(int index, bool StoreUndo, bool RaiseChanged)
{
Row r = this[index];
if (StoreUndo)
{
TextRange ra = new TextRange();
if (index != this.Count - 1)
{
ra.FirstColumn = 0;
ra.FirstRow = index;
ra.LastRow = index + 1;
ra.LastColumn = 0;
}
else
{
ra.FirstColumn = r.PrevRow.Text.Length;
ra.FirstRow = index - 1;
ra.LastRow = index;
ra.LastColumn = r.Text.Length;
}
PushUndoBlock(UndoAction.DeleteRange, GetRange(ra), ra.FirstColumn, ra.FirstRow);
}
mDocument.RemoveAt(index);
if (r.InKeywordQueue)
this.KeywordQueue.Remove(r);
if (r.InQueue)
this.ParseQueue.Remove(r);
//this.ResetVisibleRows ();
OnRowDeleted(r);
if (RaiseChanged)
OnChange();
}
/// <summary>
/// Gets a Range from a given text
/// </summary>
/// <param name="text"></param>
/// <param name="xPos"></param>
/// <param name="yPos"></param>
/// <returns></returns>
public TextRange GetRangeFromText(string text, int xPos, int yPos)
{
string t = text.Replace(Environment.NewLine, "\n");
string[] lines = t.Split("\n".ToCharArray());
TextRange r = new TextRange();
r.FirstColumn = xPos;
r.FirstRow = yPos;
r.LastRow = lines.Length - 1 + yPos;
r.LastColumn = lines[lines.Length - 1].Length;
if (r.FirstRow == r.LastRow)
r.LastColumn += r.FirstColumn;
return r;
}
public void Shrink(TextRange Range)
{
string Text = this.Document.GetRange(Range);
string tmp = Text.Replace(Environment.NewLine, "\n");
int l = tmp.Length;
string[] tmplines = tmp.Split('\n');
foreach (FormatRange fr in this)
{
int res = fr.Contains(Range.FirstColumn, Range.FirstRow);
int res2 = fr.Contains(Range.LastColumn, Range.LastRow);
int rows = Range.LastRow - Range.FirstRow;
if (res == -1 && res2 == -1)
{
fr.Bounds.FirstRow -= rows;
fr.Bounds.LastRow -= rows;
if (fr.Bounds.FirstRow == Range.FirstRow + tmplines.Length - 1)
{
if (tmplines.Length > 1)
fr.Bounds.FirstColumn -= Range.FirstColumn;
fr.Bounds.FirstColumn -= tmplines[tmplines.Length - 1].Length;
}
else if (fr.Bounds.FirstRow == Range.FirstRow)
{
if (tmplines.Length > 1)
fr.Bounds.FirstColumn += Range.FirstColumn;
fr.Bounds.FirstColumn -= tmplines[tmplines.Length - 1].Length;
}
}
if (res == -1 && res2 == 0)
{
fr.Bounds.FirstRow -= rows;
fr.Bounds.LastRow -= rows;
fr.Bounds.FirstColumn = Range.FirstColumn;
}
if (res == 0 && res2 == 0)
{
fr.Bounds.LastRow -= rows;
if (fr.Bounds.LastRow == Range.FirstRow)
{
if (rows == 0)
fr.Bounds.LastColumn -= tmplines[tmplines.Length - 1].Length;
else
fr.Bounds.LastColumn = Range.FirstColumn + fr.Bounds.LastColumn;
}
}
if (res == 0 && res2 == 1)
{
//delete end of range
fr.Bounds.LastColumn = Range.FirstColumn - 1;
fr.Bounds.LastRow = Range.FirstRow;
}
if (res == -1 && res2 == 1)
{
//delete this range
fr.Bounds.SetBounds(-1, -1, -1, -1);
}
if (res == 1)
{
//ignore
}
}
}
public FormatRange(TextRange Bounds, Color WaveColor)
{
this.WaveColor = WaveColor;
this.Bounds = Bounds;
this.Bounds.Change += new EventHandler(this.BoundsChanged);
}
/// <summary>
/// Assigns a new text to the row.
/// </summary>
/// <param name="Text"></param>
public void SetText(string Text)
{
this.Document.StartUndoCapture();
TextPoint tp = new TextPoint(0, this.Index);
TextRange tr = new TextRange();
tr.FirstColumn = 0;
tr.FirstRow = tp.Y;
tr.LastColumn = this.Text.Length;
tr.LastRow = tp.Y;
this.Document.StartUndoCapture();
//delete the current line
this.Document.PushUndoBlock(UndoAction.DeleteRange, this.Document.GetRange(tr), tr.FirstColumn, tr.FirstRow);
//alter the text
this.Document.PushUndoBlock(UndoAction.InsertRange, Text, tp.X, tp.Y);
this.Text = Text;
this.Document.EndUndoCapture();
this.Document.InvokeChange();
}
