/// <summary>
/// Constructor.
/// </summary>
/// <param name="Colors">The color of the segment.</param>
/// <param name="Text">The text associated with the segment.</param>
public ColoredDocumentLineSegment(ColorPair Colors, string Text)
{
if (Text == null)
{
throw new ArgumentNullException("Text");
}
mColor = Colors;
mText = Text;
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="Colors">The color of the segment.</param>
/// <param name="Text">The text associated with the segment.</param>
public ColoredDocumentLineSegment(ColorPair Colors, string Text)
{
if(Text == null)
{
throw new ArgumentNullException("Text");
}
mColor = Colors;
mText = Text;
}
/// <summary>
/// Gets an array of colored line segments that can be used for drawing.
/// </summary>
/// <remarks>
/// If the line of text contains any instances of <paramref name="FindText"/> they will be replaced with new line segments that contain <paramref name="InsertionColors"/> for drawing.
/// </remarks>
/// <param name="StartIndex">The starting character at which to begin generating segments.</param>
/// <param name="Length">The number of characters to include in segment generation.</param>
/// <param name="FindText">Text to search for that requires special coloring.</param>
/// <param name="InsertionColors">The colors to use when drawing <paramref name="FindText"/>.</param>
/// <param name="ComparisonType">The type of string comparison that will be conducted when searching for <paramref name="FindText"/>.</param>
/// <param name="bHasFindText">Set to True if <paramref name="FindText"/> exists within the line segments.</param>
/// <returns>An array of colored line segments.</returns>
public ColoredDocumentLineSegment[] GetLineSegmentsWithFindString(int StartIndex, int Length, string FindText, ColorPair InsertionColors, StringComparison ComparisonType, out bool bHasFindText)
{
string LineText = this.ToString();
int FindTextIndex = LineText.IndexOf(FindText, ComparisonType);
int EndLineIndex = StartIndex + Length;
List <ColoredTextRange> FindTextSegments = new List <ColoredTextRange>(mColorRanges.Count);
List <ColoredDocumentLineSegment> Segments = new List <ColoredDocumentLineSegment>(mColorRanges.Count * 2);
while (FindTextIndex != -1)
{
if (FindTextIndex >= EndLineIndex)
{
break;
}
// If any part of the text is past StartIndex it will be visible so add it to the array
if (FindTextIndex + FindText.Length > StartIndex)
{
if (FindTextIndex >= StartIndex)
{
FindTextSegments.Add(new ColoredTextRange(InsertionColors.ForeColor, InsertionColors.BackColor, FindTextIndex, FindText.Length));
}
else
{
FindTextSegments.Add(new ColoredTextRange(InsertionColors.ForeColor, InsertionColors.BackColor, StartIndex, (FindTextIndex + FindText.Length) - StartIndex));
}
}
FindTextIndex = LineText.IndexOf(FindText, FindTextIndex + FindText.Length, ComparisonType);
}
bHasFindText = FindTextSegments.Count > 0;
int CurrentFindTextSegmentIndex = 0;
bool bHasOverlap = false;
foreach (ColoredTextRange TextRange in this.mColorRanges)
{
if (TextRange.StartIndex < StartIndex && TextRange.StartIndex + TextRange.Length <= StartIndex)
{
continue;
}
else if (TextRange.StartIndex >= EndLineIndex)
{
break;
}
int CurTextRangeStart = Math.Max(StartIndex, TextRange.StartIndex);
if (CurrentFindTextSegmentIndex < FindTextSegments.Count)
{
int CurTextRangeEnd = Math.Min(TextRange.StartIndex + TextRange.Length, EndLineIndex);
// check to see if it's an overlapping find segment
if (bHasOverlap)
{
// if it is then it has already been added so reassign the start point
CurTextRangeStart = FindTextSegments[CurrentFindTextSegmentIndex].StartIndex + FindTextSegments[CurrentFindTextSegmentIndex].Length;
++CurrentFindTextSegmentIndex;
bHasOverlap = false;
}
while (CurrentFindTextSegmentIndex < FindTextSegments.Count && CurTextRangeStart < EndLineIndex && FindTextSegments[CurrentFindTextSegmentIndex].StartIndex >= CurTextRangeStart &&
FindTextSegments[CurrentFindTextSegmentIndex].StartIndex < CurTextRangeEnd)
{
if (FindTextSegments[CurrentFindTextSegmentIndex].StartIndex > CurTextRangeStart)
{
Segments.Add(new ColoredDocumentLineSegment(new ColorPair(TextRange.BackColor, TextRange.ForeColor), this.ToString(CurTextRangeStart, Math.Min(FindTextSegments[CurrentFindTextSegmentIndex].StartIndex - CurTextRangeStart, EndLineIndex - CurTextRangeStart))));
}
if (FindTextSegments[CurrentFindTextSegmentIndex].StartIndex < EndLineIndex)
{
Segments.Add(new ColoredDocumentLineSegment(InsertionColors, this.ToString(FindTextSegments[CurrentFindTextSegmentIndex].StartIndex, Math.Min(FindTextSegments[CurrentFindTextSegmentIndex].Length, EndLineIndex - FindTextSegments[CurrentFindTextSegmentIndex].StartIndex))));
}
CurTextRangeStart = FindTextSegments[CurrentFindTextSegmentIndex].StartIndex + FindTextSegments[CurrentFindTextSegmentIndex].Length;
// if the beginning of the next segment is within the current text range move onto the next "find" segment
// if not that means the current "find" text segment overlaps into the next regular text segment
if (CurTextRangeStart < CurTextRangeEnd)
{
++CurrentFindTextSegmentIndex;
}
else
{
bHasOverlap = true;
}
}
// if there was text remaining in the current text range after the last segment then add it now
if (CurTextRangeStart < CurTextRangeEnd && CurTextRangeStart < EndLineIndex)
{
Segments.Add(new ColoredDocumentLineSegment(new ColorPair(TextRange.BackColor, TextRange.ForeColor), this.ToString(CurTextRangeStart, Math.Min(CurTextRangeEnd - CurTextRangeStart, EndLineIndex - CurTextRangeStart))));
}
}
else
{
Segments.Add(new ColoredDocumentLineSegment(new ColorPair(TextRange.BackColor, TextRange.ForeColor), this.ToString(CurTextRangeStart, Math.Min(TextRange.Length, EndLineIndex - CurTextRangeStart))));
}
}
return(Segments.ToArray());
}
/// <summary>
/// Gets an array of colored line segments that can be used for drawing.
/// </summary>
/// <remarks>
/// If the line of text contains any instances of <paramref name="FindText"/> they will be replaced with new line segments that contain <paramref name="InsertionColors"/> for drawing.
/// </remarks>
/// <param name="LineIndex">The index of the line to retrieve the segments for.</param>
/// <param name="StartIndex">The starting character at which to begin generating segments.</param>
/// <param name="Length">The number of characters to include in segment generation.</param>
/// <param name="FindText">Text to search for that requires special coloring.</param>
/// <param name="InsertionColors">The colors to use when drawing <paramref name="FindText"/>.</param>
/// <param name="ComparisonType">The type of string comparison that will be conducted when searching for <paramref name="FindText"/>.</param>
/// <param name="bHasFindText">Set to True if <paramref name="FindText"/> exists within the line segments.</param>
/// <returns>An array of colored line segments.</returns>
public ColoredDocumentLineSegment[] GetLineSegmentsWithFindString(int LineIndex, int StartIndex, int Length, string FindText, ColorPair InsertionColors, StringComparison ComparisonType, out bool bHasFindText)
{
return(mLines[LineIndex].GetLineSegmentsWithFindString(StartIndex, Length, FindText, InsertionColors, ComparisonType, out bHasFindText));
}
/// <summary>
/// Gets an array of colored line segments that can be used for drawing.
/// </summary>
/// <remarks>
/// If the line of text contains any instances of <paramref name="FindText"/> they will be replaced with new line segments that contain <paramref name="InsertionColors"/> for drawing.
/// </remarks>
/// <param name="LineIndex">The index of the line to retrieve the segments for.</param>
/// <param name="StartIndex">The starting character at which to begin generating segments.</param>
/// <param name="Length">The number of characters to include in segment generation.</param>
/// <param name="FindText">Text to search for that requires special coloring.</param>
/// <param name="InsertionColors">The colors to use when drawing <paramref name="FindText"/>.</param>
/// <param name="ComparisonType">The type of string comparison that will be conducted when searching for <paramref name="FindText"/>.</param>
/// <param name="bHasFindText">Set to True if <paramref name="FindText"/> exists within the line segments.</param>
/// <returns>An array of colored line segments.</returns>
public ColoredDocumentLineSegment[] GetLineSegmentsWithFindString(int LineIndex, int StartIndex, int Length, string FindText, ColorPair InsertionColors, StringComparison ComparisonType, out bool bHasFindText)
{
return mLines[LineIndex].GetLineSegmentsWithFindString(StartIndex, Length, FindText, InsertionColors, ComparisonType, out bHasFindText);
}
/// <summary>
/// Gets an array of colored line segments that can be used for drawing.
/// </summary>
/// <remarks>
/// If the line of text contains any instances of <paramref name="FindText"/> they will be replaced with new line segments that contain <paramref name="InsertionColors"/> for drawing.
/// </remarks>
/// <param name="StartIndex">The starting character at which to begin generating segments.</param>
/// <param name="Length">The number of characters to include in segment generation.</param>
/// <param name="FindText">Text to search for that requires special coloring.</param>
/// <param name="InsertionColors">The colors to use when drawing <paramref name="FindText"/>.</param>
/// <param name="ComparisonType">The type of string comparison that will be conducted when searching for <paramref name="FindText"/>.</param>
/// <param name="bHasFindText">Set to True if <paramref name="FindText"/> exists within the line segments.</param>
/// <returns>An array of colored line segments.</returns>
public ColoredDocumentLineSegment[] GetLineSegmentsWithFindString(int StartIndex, int Length, string FindText, ColorPair InsertionColors, StringComparison ComparisonType, out bool bHasFindText)
{
string LineText = this.ToString();
int FindTextIndex = LineText.IndexOf(FindText, ComparisonType);
int EndLineIndex = StartIndex + Length;
List<ColoredTextRange> FindTextSegments = new List<ColoredTextRange>(mColorRanges.Count);
List<ColoredDocumentLineSegment> Segments = new List<ColoredDocumentLineSegment>(mColorRanges.Count * 2);
while(FindTextIndex != -1)
{
if(FindTextIndex >= EndLineIndex)
{
break;
}
// If any part of the text is past StartIndex it will be visible so add it to the array
if(FindTextIndex + FindText.Length > StartIndex)
{
if(FindTextIndex >= StartIndex)
{
FindTextSegments.Add(new ColoredTextRange(InsertionColors.ForeColor, InsertionColors.BackColor, FindTextIndex, FindText.Length));
}
else
{
FindTextSegments.Add(new ColoredTextRange(InsertionColors.ForeColor, InsertionColors.BackColor, StartIndex, (FindTextIndex + FindText.Length) - StartIndex));
}
}
FindTextIndex = LineText.IndexOf(FindText, FindTextIndex + FindText.Length, ComparisonType);
}
bHasFindText = FindTextSegments.Count > 0;
int CurrentFindTextSegmentIndex = 0;
bool bHasOverlap = false;
foreach(ColoredTextRange TextRange in this.mColorRanges)
{
if(TextRange.StartIndex < StartIndex && TextRange.StartIndex + TextRange.Length <= StartIndex)
{
continue;
}
else if(TextRange.StartIndex >= EndLineIndex)
{
break;
}
int CurTextRangeStart = Math.Max(StartIndex, TextRange.StartIndex);
if(CurrentFindTextSegmentIndex < FindTextSegments.Count)
{
int CurTextRangeEnd = Math.Min(TextRange.StartIndex + TextRange.Length, EndLineIndex);
// check to see if it's an overlapping find segment
if(bHasOverlap)
{
// if it is then it has already been added so reassign the start point
CurTextRangeStart = FindTextSegments[CurrentFindTextSegmentIndex].StartIndex + FindTextSegments[CurrentFindTextSegmentIndex].Length;
++CurrentFindTextSegmentIndex;
bHasOverlap = false;
}
while(CurrentFindTextSegmentIndex < FindTextSegments.Count && CurTextRangeStart < EndLineIndex && FindTextSegments[CurrentFindTextSegmentIndex].StartIndex >= CurTextRangeStart
&& FindTextSegments[CurrentFindTextSegmentIndex].StartIndex < CurTextRangeEnd)
{
if(FindTextSegments[CurrentFindTextSegmentIndex].StartIndex > CurTextRangeStart)
{
Segments.Add(new ColoredDocumentLineSegment(new ColorPair(TextRange.BackColor, TextRange.ForeColor), this.ToString(CurTextRangeStart, Math.Min(FindTextSegments[CurrentFindTextSegmentIndex].StartIndex - CurTextRangeStart, EndLineIndex - CurTextRangeStart))));
}
if(FindTextSegments[CurrentFindTextSegmentIndex].StartIndex < EndLineIndex)
{
Segments.Add(new ColoredDocumentLineSegment(InsertionColors, this.ToString(FindTextSegments[CurrentFindTextSegmentIndex].StartIndex, Math.Min(FindTextSegments[CurrentFindTextSegmentIndex].Length, EndLineIndex - FindTextSegments[CurrentFindTextSegmentIndex].StartIndex))));
}
CurTextRangeStart = FindTextSegments[CurrentFindTextSegmentIndex].StartIndex + FindTextSegments[CurrentFindTextSegmentIndex].Length;
// if the beginning of the next segment is within the current text range move onto the next "find" segment
// if not that means the current "find" text segment overlaps into the next regular text segment
if(CurTextRangeStart < CurTextRangeEnd)
{
++CurrentFindTextSegmentIndex;
}
else
{
bHasOverlap = true;
}
}
// if there was text remaining in the current text range after the last segment then add it now
if(CurTextRangeStart < CurTextRangeEnd && CurTextRangeStart < EndLineIndex)
{
Segments.Add(new ColoredDocumentLineSegment(new ColorPair(TextRange.BackColor, TextRange.ForeColor), this.ToString(CurTextRangeStart, Math.Min(CurTextRangeEnd - CurTextRangeStart, EndLineIndex - CurTextRangeStart))));
}
}
else
{
Segments.Add(new ColoredDocumentLineSegment(new ColorPair(TextRange.BackColor, TextRange.ForeColor), this.ToString(CurTextRangeStart, Math.Min(TextRange.Length, EndLineIndex - CurTextRangeStart))));
}
}
return Segments.ToArray();
}
