private Split ( |
||
pointInfo | ||
Résultat |
internal EditableVisualPointInfo Split(EditableVisualPointInfo pointInfo)
{
if (pointInfo.LineId != currentLineNumber)
{
throw new NotSupportedException();
}
EditableRun tobeCutRun = (EditableRun)pointInfo.TextRun;
if (tobeCutRun == null)
{
return CreateTextPointInfo(
pointInfo.LineId,
pointInfo.LineCharIndex,
pointInfo.X,
null,
pointInfo.TextRunCharOffset,
pointInfo.TextRunPixelOffset);
}
this.LocalSuspendLineReArrange();
EditableVisualPointInfo result = null;
EditableRun preCutTextRun = (EditableRun)tobeCutRun.LeftCopy(pointInfo.LocalSelectedIndex);
EditableRun postCutTextRun = (EditableRun)tobeCutRun.Copy(pointInfo.LocalSelectedIndex + 1);
if (preCutTextRun != null)
{
this.AddBefore(tobeCutRun, preCutTextRun);
if (postCutTextRun != null)
{
this.AddAfter(tobeCutRun, postCutTextRun);
}
result = CreateTextPointInfo(
pointInfo.LineId,
pointInfo.LineCharIndex,
pointInfo.X,
preCutTextRun,
pointInfo.TextRunCharOffset,
pointInfo.TextRunPixelOffset);
}
else
{
if (postCutTextRun != null)
{
this.AddAfter(tobeCutRun, postCutTextRun);
}
EditableRun infoTextRun = null;
if (IsSingleLine)
{
if (tobeCutRun.PrevTextRun != null)
{
infoTextRun = tobeCutRun.PrevTextRun;
}
else
{
infoTextRun = tobeCutRun.NextTextRun;
}
}
else
{
if (IsFirstLine)
{
if (tobeCutRun.PrevTextRun != null)
{
infoTextRun = tobeCutRun.PrevTextRun;
}
else
{
if (tobeCutRun.NextTextRun.IsLineBreak)
{
infoTextRun = null;
}
else
{
infoTextRun = tobeCutRun.NextTextRun;
}
}
}
else if (IsLastLine)
{
if (tobeCutRun.PrevTextRun.IsLineBreak)
{
if (tobeCutRun.NextTextRun != null)
{
infoTextRun = tobeCutRun.NextTextRun;
}
else
{
infoTextRun = null;
}
}
else
{
infoTextRun = tobeCutRun.PrevTextRun;
}
}
else
{
if (!tobeCutRun.NextTextRun.IsLineBreak)
{
infoTextRun = tobeCutRun.NextTextRun;
}
else
{
infoTextRun = null;
}
}
}
result = CreateTextPointInfo(
pointInfo.LineId,
pointInfo.LineCharIndex,
pointInfo.X,
infoTextRun,
pointInfo.TextRunCharOffset,
pointInfo.TextRunPixelOffset);
}
this.Remove(tobeCutRun);
this.LocalResumeLineReArrange();
return result;
}
void RightCopy(VisualPointInfo pointInfo, LinkedList<EditableRun> output)
EditableTextLine::Split ( |
internal EditableVisualPointInfo[] Split(VisualSelectionRange selectionRange) { selectionRange.SwapIfUnOrder(); EditableVisualPointInfo startPoint = selectionRange.StartPoint; EditableVisualPointInfo endPoint = selectionRange.EndPoint; if (startPoint.TextRun == endPoint.TextRun) { EditableRun toBeCutTextRun = startPoint.TextRun; EditableRun preCutTextRun = (EditableRun)toBeCutTextRun.LeftCopy(startPoint.LocalSelectedIndex); EditableRun middleCutTextRun = (EditableRun)toBeCutTextRun.Copy(startPoint.LocalSelectedIndex + 1, endPoint.LineCharIndex - startPoint.LineCharIndex); EditableRun postCutTextRun = (EditableRun)toBeCutTextRun.Copy(endPoint.LocalSelectedIndex + 1); EditableVisualPointInfo newStartRangePointInfo = null; EditableVisualPointInfo newEndRangePointInfo = null; EditableTextLine line = this; if (startPoint.LineId != currentLineNumber) { line = editableFlowLayer.GetTextLine(startPoint.LineId); } line.LocalSuspendLineReArrange(); if (preCutTextRun != null) { line.AddBefore(toBeCutTextRun, preCutTextRun); newStartRangePointInfo = CreateTextPointInfo( startPoint.LineId, startPoint.LineCharIndex, startPoint.X, preCutTextRun, startPoint.TextRunCharOffset, startPoint.TextRunPixelOffset); } else { EditableRun prevTxtRun = GetPrevTextRun((EditableRun)startPoint.TextRun); if (prevTxtRun != null) { newStartRangePointInfo = CreateTextPointInfo( startPoint.LineId, startPoint.LineCharIndex, startPoint.X, prevTxtRun, startPoint.TextRunCharOffset - preCutTextRun.CharacterCount, startPoint.TextRunPixelOffset - prevTxtRun.Width); } else { newStartRangePointInfo = CreateTextPointInfo( startPoint.LineId, startPoint.LineCharIndex, 0, null, 0, 0); } } if (postCutTextRun != null) { line.AddAfter(toBeCutTextRun, postCutTextRun); newEndRangePointInfo = CreateTextPointInfo( endPoint.LineId, endPoint.LineCharIndex, endPoint.X, middleCutTextRun, startPoint.TextRunCharOffset + middleCutTextRun.CharacterCount, startPoint.TextRunPixelOffset + middleCutTextRun.Width); } else { EditableRun nextTxtRun = GetNextTextRun((EditableRun)endPoint.TextRun); if (nextTxtRun != null) { newEndRangePointInfo = CreateTextPointInfo( endPoint.LineId, endPoint.LineCharIndex, endPoint.X, nextTxtRun, endPoint.TextRunPixelOffset + endPoint.TextRun.CharacterCount, endPoint.TextRunPixelOffset + endPoint.TextRun.Width); } else { newEndRangePointInfo = CreateTextPointInfo( endPoint.LineId, endPoint.LineCharIndex, endPoint.X, middleCutTextRun, endPoint.TextRunCharOffset, endPoint.TextRunPixelOffset); } } if (middleCutTextRun != null) { line.AddAfter(toBeCutTextRun, middleCutTextRun); } else { throw new NotSupportedException(); } line.Remove(toBeCutTextRun); line.LocalResumeLineReArrange(); return(new EditableVisualPointInfo[] { newStartRangePointInfo, newEndRangePointInfo }); } else { EditableTextLine workingLine = this; if (startPoint.LineId != currentLineNumber) { workingLine = editableFlowLayer.GetTextLine(startPoint.LineId); } EditableVisualPointInfo newStartPoint = workingLine.Split(startPoint); workingLine = this; if (endPoint.LineId != currentLineNumber) { workingLine = editableFlowLayer.GetTextLine(endPoint.LineId); } EditableVisualPointInfo newEndPoint = workingLine.Split(endPoint); return(new EditableVisualPointInfo[] { newStartPoint, newEndPoint }); } }