public void Reverse()
{
// Reverse all our segments and swap the order of them.
foreach (Segment s in Segments)
{
s.Reverse();
}
Segments.Reverse();
}
/// <summary>
/// Normalizes polygon - all polygon's vertices and edges must be in CCW order.
/// </summary>
public void NormalizePolygon()
{
if (!CheckIfClockwise())
{
return;
}
Segments = new LinkedList <Segment>(Segments.Reverse());
foreach (var seg in this.Segments)
{
var tmp = seg.From;
seg.From = seg.To;
seg.To = tmp;
}
Vertices = new LinkedList <Vertex>(Vertices.Reverse());
}
/// <inheritdoc/>
public override void ReplaceSelectionWithText(string newText)
{
if (newText == null)
{
throw new ArgumentNullException("newText");
}
using (textArea.Document.RunUpdate()) {
TextViewPosition start = new TextViewPosition(document.GetLocation(topLeftOffset), GetVisualColumnFromXPos(startLine, startXPos));
TextViewPosition end = new TextViewPosition(document.GetLocation(bottomRightOffset), GetVisualColumnFromXPos(endLine, endXPos));
int insertionLength;
int totalInsertionLength = 0;
int firstInsertionLength = 0;
int editOffset = Math.Min(topLeftOffset, bottomRightOffset);
TextViewPosition pos;
if (NewLineFinder.NextNewLine(newText, 0) == SimpleSegment.Invalid)
{
// insert same text into every line
foreach (SelectionSegment lineSegment in Segments.Reverse())
{
ReplaceSingleLineText(textArea, lineSegment, newText, out insertionLength);
totalInsertionLength += insertionLength;
firstInsertionLength = insertionLength;
}
int newEndOffset = editOffset + totalInsertionLength;
pos = new TextViewPosition(document.GetLocation(editOffset + firstInsertionLength));
textArea.Selection = new RectangleSelection(textArea, pos, Math.Max(startLine, endLine), GetXPos(textArea, pos));
}
else
{
string[] lines = newText.Split(NewLineFinder.NewlineStrings, segments.Count, StringSplitOptions.None);
int line = Math.Min(startLine, endLine);
for (int i = lines.Length - 1; i >= 0; i--)
{
ReplaceSingleLineText(textArea, segments[i], lines[i], out insertionLength);
firstInsertionLength = insertionLength;
}
pos = new TextViewPosition(document.GetLocation(editOffset + firstInsertionLength));
textArea.ClearSelection();
}
textArea.Caret.Position = textArea.TextView.GetPosition(new Point(GetXPos(textArea, pos), textArea.TextView.GetVisualTopByDocumentLine(Math.Max(startLine, endLine)))).GetValueOrDefault();
}
}
/// <inheritdoc/>
public override void ReplaceSelectionWithText(string newText)
{
if (newText == null)
{
throw new ArgumentNullException(nameof(newText));
}
using (TextArea.Document.RunUpdate())
{
int insertionLength;
var firstInsertionLength = 0;
var editOffset = Math.Min(_topLeftOffset, _bottomRightOffset);
TextViewPosition pos;
if (NewLineFinder.NextNewLine(newText, 0) == SimpleSegment.Invalid)
{
// insert same text into every line
foreach (var lineSegment in Segments.Reverse())
{
ReplaceSingleLineText(TextArea, lineSegment, newText, out insertionLength);
firstInsertionLength = insertionLength;
}
pos = new TextViewPosition(_document.GetLocation(editOffset + firstInsertionLength));
TextArea.Selection = new RectangleSelection(TextArea, pos, Math.Max(_startLine, _endLine), GetXPos(TextArea, pos));
}
else
{
var lines = newText.Split(NewLineFinder.NewlineStrings, _segments.Count, StringSplitOptions.None);
for (var i = lines.Length - 1; i >= 0; i--)
{
ReplaceSingleLineText(TextArea, _segments[i], lines[i], out insertionLength);
firstInsertionLength = insertionLength;
}
pos = new TextViewPosition(_document.GetLocation(editOffset + firstInsertionLength));
TextArea.ClearSelection();
}
TextArea.Caret.Position = new TextViewPosition(Math.Max(_startLine, _endLine), pos.Column);
}
}