public void Unfold (FoldMarker marker, int lineNumber, int count)
{
lock (tree) {
if (marker == null || !markers.Contains (marker))
return;
markers.Remove (marker);
GetSingleLineNode (lineNumber);
lineNumber++;
for (int i = lineNumber; i < lineNumber + count; i++) {
var node = GetSingleLineNode (i);
node.foldLevel--;
node.UpdateAugmentedData ();
}
OnLineUpdateFrom (new HeightChangedEventArgs (lineNumber - 1));
}
}
public void Unfold (FoldMarker marker, int lineNumber, int count)
{
if (marker == null || !markers.Contains (marker))
return;
markers.Remove (marker);
GetSingleLineNode (lineNumber);
lineNumber++;
for (int i = lineNumber; i < lineNumber + count; i++) {
var node = GetSingleLineNode (i);
node.foldLevel--;
node.UpdateAugmentedData ();
}
}
public FoldMarker Fold (int lineNumber, int count)
{
lock (tree) {
GetSingleLineNode (lineNumber);
lineNumber++;
for (int i = lineNumber; i < lineNumber + count; i++) {
var node = GetSingleLineNode (i);
node.foldLevel++;
node.UpdateAugmentedData ();
}
var result = new FoldMarker (lineNumber, count);
markers.Add (result);
OnLineUpdateFrom (new HeightChangedEventArgs (lineNumber - 1));
return result;
}
}
public FoldMarker Fold (int lineNumber, int count)
{
GetSingleLineNode (lineNumber);
lineNumber++;
for (int i = lineNumber; i < lineNumber + count; i++) {
var node = GetSingleLineNode (i);
node.foldLevel++;
node.UpdateAugmentedData ();
}
var result = new FoldMarker (lineNumber, count);
markers.Add (result);
return result;
}
/// <summary>
/// Create an element fold if the start and end tag are on
/// different lines.
/// </summary>
void CreateElementFold(IDocument document, List<FoldMarker> foldMarkers, XmlTextReader reader, XmlFoldStart foldStart)
{
int endLine = reader.LineNumber - 1;
if (endLine > foldStart.Line)
{
int endCol = reader.LinePosition + foldStart.Name.Length;
FoldMarker foldMarker = new FoldMarker(document, foldStart.Line, foldStart.Column, endLine, endCol, foldStart.FoldText);
foldMarkers.Add(foldMarker);
}
}
/// <summary>
/// Creates a comment fold if the comment spans more than one line.
/// </summary>
/// <remarks>The text displayed when the comment is folded is the first
/// line of the comment.</remarks>
void CreateCommentFold(IDocument document, List<FoldMarker> foldMarkers, XmlTextReader reader)
{
if (reader.Value != null)
{
string comment = reader.Value.Replace("\r\n", "\n");
string[] lines = comment.Split('\n');
if (lines.Length > 1)
{
// Take off 5 chars to get the actual comment start (takes
// into account the <!-- chars.
int startCol = reader.LinePosition - 5;
int startLine = reader.LineNumber - 1;
// Add 3 to the end col value to take into account the '-->'
int endCol = lines[lines.Length - 1].Length + startCol + 3;
int endLine = startLine + lines.Length - 1;
string foldText = String.Concat("<!--", lines[0], "-->");
FoldMarker foldMarker = new FoldMarker(document, startLine, startCol, endLine, endCol, foldText);
foldMarkers.Add(foldMarker);
}
}
}
void OnMouseDown(object sender, MouseEventArgs e)
{
Point mousepos;
textArea.mousepos = e.Location;
mousepos = e.Location;
if (dodragdrop)
{
return;
}
if (doubleclick)
{
doubleclick = false;
return;
}
if (textArea.TextView.DrawingPosition.Contains(mousepos.X, mousepos.Y))
{
gotmousedown = true;
textArea.SelectionManager.selectFrom.where = WhereFrom.TArea;
button = e.Button;
// double-click
if (button == MouseButtons.Left && e.Clicks == 2)
{
int deltaX = Math.Abs(lastmousedownpos.X - e.X);
int deltaY = Math.Abs(lastmousedownpos.Y - e.Y);
if (deltaX <= SystemInformation.DoubleClickSize.Width &&
deltaY <= SystemInformation.DoubleClickSize.Height)
{
DoubleClickSelectionExtend();
lastmousedownpos = new Point(e.X, e.Y);
if (textArea.SelectionManager.selectFrom.where == WhereFrom.Gutter)
{
if (!minSelection.IsEmpty && !maxSelection.IsEmpty && textArea.SelectionManager.SelectionCollection.Count > 0)
{
textArea.SelectionManager.SelectionCollection[0].StartPosition = minSelection;
textArea.SelectionManager.SelectionCollection[0].EndPosition = maxSelection;
textArea.SelectionManager.SelectionStart = minSelection;
minSelection = TextLocation.Empty;
maxSelection = TextLocation.Empty;
}
}
return;
}
}
minSelection = TextLocation.Empty;
maxSelection = TextLocation.Empty;
lastmousedownpos = mousedownpos = new Point(e.X, e.Y);
if (button == MouseButtons.Left)
{
FoldMarker marker = textArea.TextView.GetFoldMarkerFromPosition(mousepos.X - textArea.TextView.DrawingPosition.X,
mousepos.Y - textArea.TextView.DrawingPosition.Y);
if (marker != null && marker.IsFolded)
{
if (textArea.SelectionManager.HasSomethingSelected)
{
clickedOnSelectedText = true;
}
TextLocation startLocation = new TextLocation(marker.StartColumn, marker.StartLine);
TextLocation endLocation = new TextLocation(marker.EndColumn, marker.EndLine);
textArea.SelectionManager.SetSelection(new DefaultSelection(textArea.TextView.Document, startLocation, endLocation));
textArea.Caret.Position = startLocation;
textArea.SetDesiredColumn();
textArea.Focus();
return;
}
if ((Control.ModifierKeys & Keys.Shift) == Keys.Shift)
{
ExtendSelectionToMouse();
}
else
{
TextLocation realmousepos = textArea.TextView.GetLogicalPosition(mousepos.X - textArea.TextView.DrawingPosition.X, mousepos.Y - textArea.TextView.DrawingPosition.Y);
clickedOnSelectedText = false;
int offset = textArea.Document.PositionToOffset(realmousepos);
if (textArea.SelectionManager.HasSomethingSelected &&
textArea.SelectionManager.IsSelected(offset))
{
clickedOnSelectedText = true;
}
else
{
textArea.SelectionManager.ClearSelection();
if (mousepos.Y > 0 && mousepos.Y < textArea.TextView.DrawingPosition.Height)
{
TextLocation pos = new TextLocation();
pos.Y = Math.Min(textArea.Document.TotalNumberOfLines - 1, realmousepos.Y);
pos.X = realmousepos.X;
textArea.Caret.Position = pos;
textArea.SetDesiredColumn();
}
}
}
}
else if (button == MouseButtons.Right)
{
// Rightclick sets the cursor to the click position unless
// the previous selection was clicked
TextLocation realmousepos = textArea.TextView.GetLogicalPosition(mousepos.X - textArea.TextView.DrawingPosition.X, mousepos.Y - textArea.TextView.DrawingPosition.Y);
int offset = textArea.Document.PositionToOffset(realmousepos);
if (!textArea.SelectionManager.HasSomethingSelected ||
!textArea.SelectionManager.IsSelected(offset))
{
textArea.SelectionManager.ClearSelection();
if (mousepos.Y > 0 && mousepos.Y < textArea.TextView.DrawingPosition.Height)
{
TextLocation pos = new TextLocation();
pos.Y = Math.Min(textArea.Document.TotalNumberOfLines - 1, realmousepos.Y);
pos.X = realmousepos.X;
textArea.Caret.Position = pos;
textArea.SetDesiredColumn();
}
}
}
}
textArea.Focus();
}
void DoubleClickSelectionExtend()
{
Point mousepos;
mousepos = textArea.mousepos;
textArea.SelectionManager.ClearSelection();
if (textArea.TextView.DrawingPosition.Contains(mousepos.X, mousepos.Y))
{
FoldMarker marker = textArea.TextView.GetFoldMarkerFromPosition(mousepos.X - textArea.TextView.DrawingPosition.X,
mousepos.Y - textArea.TextView.DrawingPosition.Y);
if (marker != null && marker.IsFolded)
{
marker.IsFolded = false;
textArea.MotherTextAreaControl.AdjustScrollBars();
}
if (textArea.Caret.Offset < textArea.Document.TextLength)
{
switch (textArea.Document.GetCharAt(textArea.Caret.Offset))
{
case '"':
if (textArea.Caret.Offset < textArea.Document.TextLength)
{
int next = FindNext(textArea.Document, textArea.Caret.Offset + 1, '"');
minSelection = textArea.Caret.Position;
if (next > textArea.Caret.Offset && next < textArea.Document.TextLength)
{
next += 1;
}
maxSelection = textArea.Document.OffsetToPosition(next);
}
break;
default:
minSelection = textArea.Document.OffsetToPosition(FindWordStart(textArea.Document, textArea.Caret.Offset));
maxSelection = textArea.Document.OffsetToPosition(FindWordEnd(textArea.Document, textArea.Caret.Offset));
break;
}
textArea.Caret.Position = maxSelection;
textArea.SelectionManager.ExtendSelection(minSelection, maxSelection);
}
if (textArea.SelectionManager.selectionCollection.Count > 0)
{
ISelection selection = textArea.SelectionManager.selectionCollection[0];
selection.StartPosition = minSelection;
selection.EndPosition = maxSelection;
textArea.SelectionManager.SelectionStart = minSelection;
}
// after a double-click selection, the caret is placed correctly,
// but it is not positioned internally. The effect is when the cursor
// is moved up or down a line, the caret will take on the column first
// clicked on for the double-click
textArea.SetDesiredColumn();
// HACK WARNING !!!
// must refresh here, because when a error tooltip is showed and the underlined
// code is double clicked the textArea don't update corrctly, updateline doesn't
// work ... but the refresh does.
// Mike
textArea.Refresh();
}
}
