private void mnuAccept_Click(object sender, EventArgs e)
{
// Remove all lines associated with strikethrough
int startOffset = syntaxEditorExternal.Document.Lines[OrigianlLineSpan.StartLine].StartOffset;
int endOffset = syntaxEditorExternal.Document.Lines[OrigianlLineSpan.EndLine].EndOffset;
int originalStartLine = OrigianlLineSpan.StartLine;
int originalEndLine = OrigianlLineSpan.EndLine;
SpanIndicator[] spans = syntaxEditorExternal.Document.SpanIndicatorLayers.GetIndicatorsForTextRange(new TextRange(startOffset, endOffset), false);
int numLinesDeleted = 0;
foreach (SpanIndicator span in spans)
{
var ss = (HighlightingStyleSpanIndicator)span;
int firstLineToDelete = syntaxEditorExternal.Views[0].OffsetToPosition(ss.TextRange.StartOffset).Line;
int lastLineToDelete = syntaxEditorExternal.Views[0].OffsetToPosition(ss.TextRange.EndOffset).Line;
for (int i = lastLineToDelete; i >= firstLineToDelete; i--)
{
syntaxEditorExternal.Document.Lines.RemoveAt(i);
numLinesDeleted++;
}
}
OrigianlLineSpan = null;
DeselectLines(originalStartLine, originalEndLine - numLinesDeleted + 1);
}
private void syntaxEditor1_DocumentTextChanged(object sender, DocumentModificationEventArgs e)
{
// Colour lines correctly when new lines inserted or existing lines deleted
if (e.Modification.LinesInserted + e.Modification.LinesDeleted > 0)
{
int lineNum = e.Modification.StartLineIndex; // -1;
if (e.Modification.LinesInserted > 0 && syntaxEditorExternal.Document.Lines[lineNum].BackColor == Color.Red &&
syntaxEditorExternal.Document.Lines[lineNum + 1].BackColor != Color.Red)
{
DeselectLines();
}
if (e.Modification.LinesDeleted > 0 && OrigianlLineSpan != null)
{
if (OrigianlLineSpan.EndLine - OrigianlLineSpan.StartLine > 0)
{
OrigianlLineSpan.EndLine -= 1;
}
if (OrigianlLineSpan.EndLine == OrigianlLineSpan.StartLine)
{
DeselectLines(OrigianlLineSpan.StartLine, OrigianlLineSpan.EndLine);
OrigianlLineSpan = null;
}
if (lineNum + 1 < syntaxEditorExternal.Document.Lines.Count &&
(syntaxEditorExternal.Document.Lines[lineNum].BackColor == Color.White &&
syntaxEditorExternal.Document.Lines[lineNum + 1].BackColor == Color.Red))
{
DeselectLines();
}
}
}
}
/// <summary>
/// Determines whether the location is part of a special region, and highlights the special region
/// if it is.
/// </summary>
/// <param name="lineNumber"></param>
private void SelectLines(int lineNumber)
{
DeselectLines();
int spanStartLine = lineNumber;
int spanEndLine = lineNumber;
Color selectedColor = syntaxEditorExternal.Document.Lines[lineNumber].BackColor;
bool newColourFound = false;
for (int i = lineNumber; i >= 0; i--)
{
if (syntaxEditorExternal.Document.Lines[i].BackColor != selectedColor) // &&
//syntaxEditor1.Document.Lines[i].BackColor.ToArgb() != 0)
{
newColourFound = true;
break;
}
spanStartLine = i;
}
if (!newColourFound && spanStartLine != 0)
{
spanStartLine = lineNumber;
}
newColourFound = false;
for (int i = lineNumber; i < syntaxEditorExternal.Document.Lines.Count; i++)
{
if (syntaxEditorExternal.Document.Lines[i].BackColor != selectedColor) // &&
//syntaxEditor1.Document.Lines[i].BackColor.ToArgb() != 0)
{
newColourFound = true;
break;
}
spanEndLine = i;
}
if (!newColourFound)
{
spanEndLine = lineNumber;
}
for (int i = spanStartLine; i <= spanEndLine; i++)
{
int startOffset = syntaxEditorExternal.Document.Lines[i].StartOffset;
int endOffset = syntaxEditorExternal.Document.Lines[i].EndOffset;
SpanIndicator[] spans = syntaxEditorExternal.Document.SpanIndicatorLayers.GetIndicatorsForTextRange(new TextRange(startOffset, endOffset), false);
if (spans.Length > 0)
{
((HighlightingStyleSpanIndicator)spans[0]).HighlightingStyle.BackColor = Color.Red;
}
syntaxEditorExternal.Document.Lines[i].BackColor = Color.Red;
}
OrigianlLineSpan = new Slyce.IntelliMerge.SlyceMerge.LineSpan(spanStartLine, spanEndLine); //, selectedColor);
}
private void mnuDelete_Click(object sender, EventArgs e)
{
// Remove all lines associated with strikethrough
int startOffset = syntaxEditorExternal.Document.Lines[OrigianlLineSpan.StartLine].StartOffset;
int endOffset = syntaxEditorExternal.Document.Lines[OrigianlLineSpan.EndLine].EndOffset;
SpanIndicator[] spans = syntaxEditorExternal.Document.SpanIndicatorLayers.GetIndicatorsForTextRange(new TextRange(startOffset, endOffset), false);
var linesToKeep = new List <int>();
foreach (SpanIndicator span in spans)
{
var ss = (HighlightingStyleSpanIndicator)span;
int firstLineToKeep = syntaxEditorExternal.Views[0].OffsetToPosition(ss.TextRange.StartOffset).Line;
int lastLineToKeep = syntaxEditorExternal.Views[0].OffsetToPosition(ss.TextRange.EndOffset).Line;
for (int line = firstLineToKeep; line <= lastLineToKeep; line++)
{
linesToKeep.Add(line);
}
}
linesToKeep.Sort();
// Remove any remaining lines before the first strikethrough
int originalStartLine = OrigianlLineSpan.StartLine;
int originalEndLine = OrigianlLineSpan.EndLine;
int numLinesRemoved = 0;
for (int i = originalEndLine; i >= originalStartLine; i--)
{
if (linesToKeep.BinarySearch(i) < 0)
{
syntaxEditorExternal.Document.Lines.RemoveAt(i);
numLinesRemoved++;
}
}
// Remove strikethrough from all spans in the block
for (int spanCounter = spans.Length - 1; spanCounter >= 0; spanCounter--)
{
SpanIndicator span = spans[spanCounter];
span.Layer.Remove(span);
}
OrigianlLineSpan = null;
DeselectLines(originalStartLine, originalEndLine - numLinesRemoved);
}
/// <summary>
/// Removes highlighting of special regions.
/// </summary>
private void DeselectLines(int startLine, int endLine)
{
Color color = Color.White;
for (int i = startLine; i <= endLine; i++)
{
if (i >= syntaxEditorExternal.Document.Lines.Count)
{
break;
}
int startOffset = syntaxEditorExternal.Document.Lines[i].StartOffset;
int endOffset = syntaxEditorExternal.Document.Lines[i].EndOffset;
SpanIndicator[] spans = syntaxEditorExternal.Document.SpanIndicatorLayers.GetIndicatorsForTextRange(new TextRange(startOffset, endOffset), false);
if (spans.Length > 0)
{
((HighlightingStyleSpanIndicator)spans[0]).HighlightingStyle.BackColor = color;
}
syntaxEditorExternal.Document.Lines[i].BackColor = color;
}
OrigianlLineSpan = null;
}
