void AddLineBreakAfter(EditableRun afterTextRun)
{
if (afterTextRun == null)
{
this.EndWithLineBreak = true;
EditableTextLine newline = editableFlowLayer.InsertNewLine(currentLineNumber + 1);
//
if (editableFlowLayer.LineCount - 1 != newline.LineNumber)
{
newline.EndWithLineBreak = true;
}
return;
}
if (afterTextRun.NextTextRun == null)
{
this.EndWithLineBreak = true;
EditableTextLine newline = editableFlowLayer.InsertNewLine(currentLineNumber + 1);
//
if (editableFlowLayer.LineCount - 1 != newline.LineNumber)
{
newline.EndWithLineBreak = true;
}
}
else
{
List <EditableRun> tempTextRuns = new List <EditableRun>(this.Count);
if (afterTextRun != null)
{
foreach (EditableRun t in GetVisualElementForward(afterTextRun.NextTextRun))
{
tempTextRuns.Add(t);
}
}
this.EndWithLineBreak = true;
this.LocalSuspendLineReArrange();
EditableTextLine newTextline = editableFlowLayer.InsertNewLine(currentLineNumber + 1);
//
int j = tempTextRuns.Count;
newTextline.LocalSuspendLineReArrange(); int cx = 0;
for (int i = 0; i < j; ++i)
{
EditableRun t = tempTextRuns[i];
this.Remove(t);
newTextline.AddLast(t);
t.SetLocation(cx, 0);
cx += t.Width;
}
newTextline.LocalResumeLineReArrange(); this.LocalResumeLineReArrange();
}
}
public void RefreshInlineArrange()
{
EditableRun r = this.FirstRun;
int lastestX = 0;
while (r != null)
{
r.SetLocation(
lastestX,
r.Y);
lastestX += r.Width;
r = r.NextTextRun;
}
}
public void LocalResumeLineReArrange()
{
lineFlags &= ~LOCAL_SUSPEND_LINE_REARRANGE;
LinkedListNode <EditableRun> curNode = this.First;
int cx = 0;
while (curNode != null)
{
EditableRun ve = curNode.Value;
ve.SetLocation(cx, 0);
cx += ve.Width;
curNode = curNode.Next;
}
}
