private Split ( |
||
selectionRange | ||
Результат | LayoutFarm.Text.EditableVisualPointInfo[] |
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 };
}
}
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 }); } }