void AddLineBreakBefore(EditableRun beforeTextRun)
{
if (beforeTextRun == null)
{
this.EndWithLineBreak = true;
editableFlowLayer.InsertNewLine(currentLineNumber + 1);
}
else
{
List <EditableRun> tempTextRuns = new List <EditableRun>();
if (beforeTextRun != null)
{
foreach (EditableRun t in GetVisualElementForward(beforeTextRun))
{
tempTextRuns.Add(t);
}
}
this.EndWithLineBreak = true;
EditableTextLine newTextline = editableFlowLayer.InsertNewLine(currentLineNumber + 1);
this.LocalSuspendLineReArrange();
newTextline.LocalSuspendLineReArrange();
int j = tempTextRuns.Count;
for (int i = 0; i < j; ++i)
{
EditableRun t = tempTextRuns[i];
this.Remove(t);
newTextline.AddLast(t);
}
this.LocalResumeLineReArrange();
newTextline.LocalResumeLineReArrange();
}
}
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();
}
}
internal EditableTextLine SplitToNewLine(EditableRun startVisualElement)
{
LinkedListNode <EditableRun> curNode = GetLineLinkedNode(startVisualElement);
EditableTextLine newSplitedLine = editableFlowLayer.InsertNewLine(this.currentLineNumber + 1);
newSplitedLine.LocalSuspendLineReArrange();
while (curNode != null)
{
LinkedListNode <EditableRun> tobeRemovedNode = curNode;
curNode = curNode.Next;
if (tobeRemovedNode.List != null)
{
EditableRun tmpv = tobeRemovedNode.Value;
_runs.Remove(tobeRemovedNode);
newSplitedLine.AddLast(tmpv);
}
else
{
}
}
newSplitedLine.LocalResumeLineReArrange();
return(newSplitedLine);
}
void PerformHorizontalFlowArrangeForMultilineText(
int ownerClientLeft, int ownerClientWidth,
int ownerClientTop)
{
#if DEBUG
long startTick = DateTime.Now.Ticks;
#endif
List <EditableTextLine> lines = (List <EditableTextLine>) this.lineCollection;
int ownerClientRight = ownerClientLeft + ownerClientWidth;
int curX = 0;
int curY = 0;
bool lastestIsBlock = false;
int maxWidth = 0;
int curY_fromTop = ownerClientTop;
int maxHeightInRow = EditableTextLine.DEFAULT_LINE_HEIGHT;
int lineCount = lines.Count;
for (int i = 0; i < lineCount; ++i)
{
EditableTextLine line = lines[i];
curX = ownerClientLeft;
lastestIsBlock = false;
line.SetTop(curY_fromTop);
if (!line.NeedArrange)
{
maxHeightInRow = line.ActualLineHeight;
if (line.ActualLineWidth > maxWidth)
{
maxWidth = line.ActualLineWidth;
}
}
else
{
maxHeightInRow = EditableTextLine.DEFAULT_LINE_HEIGHT;
EditableTextLine newLine = null;
line.ValidateContentArrangement();
bool isFirstRunInThisLine = true;
foreach (EditableRun currentRun in line)
{
#if DEBUG
vinv_dbug_BeginSetElementBound(currentRun);
#endif
int v_desired_width = currentRun.Width;
int v_desired_height = currentRun.Height;
if (isFirstRunInThisLine)
{
lastestIsBlock = currentRun.IsBlockElement;
if (v_desired_height > maxHeightInRow)
{
maxHeightInRow = v_desired_height;
}
EditableRun.DirectSetLocation(currentRun, curX, 0);
if (v_desired_height > maxHeightInRow)
{
maxHeightInRow = v_desired_height;
}
if (lastestIsBlock)
{
v_desired_width = ownerClientWidth;
}
EditableRun.DirectSetSize(currentRun,
v_desired_width, v_desired_height);
currentRun.MarkValidContentArrangement();
curX += v_desired_width;
isFirstRunInThisLine = false;
}
else
{
if (lastestIsBlock || currentRun.IsBlockElement ||
(curX + v_desired_width > ownerClientRight))
{
newLine = new EditableTextLine(this);
newLine.AddLast(currentRun);
curY = curY_fromTop + maxHeightInRow;
curY_fromTop = curY;
maxHeightInRow = EditableTextLine.DEFAULT_LINE_HEIGHT;
EditableRun nextR = currentRun.NextTextRun;
while (nextR != null)
{
line.UnsafeRemoveVisualElement(nextR);
newLine.AddLast(nextR);
nextR = nextR.NextTextRun;
}
if (i + 1 == lineCount)
{
lines.Add(newLine);
}
else
{
lines.Insert(i + 1, newLine);
}
lineCount++;
break;
}
else
{
lastestIsBlock = currentRun.IsBlockElement;
if (v_desired_height > maxHeightInRow)
{
maxHeightInRow = v_desired_height;
}
EditableRun.DirectSetLocation(currentRun, curX, 0);
EditableRun.DirectSetSize(currentRun,
v_desired_width, v_desired_height);
currentRun.MarkValidContentArrangement();
curX += v_desired_width;
}
}
#if DEBUG
vinv_dbug_EndSetElementBound(currentRun);
#endif
}
if (curX > maxWidth)
{
maxWidth = curX;
}
}
line.SetPostArrangeLineSize(maxWidth, maxHeightInRow);
curY = curY_fromTop + maxHeightInRow;
curY_fromTop = curY;
}
ValidateArrangement();
}
void PerformHorizontalFlowArrangeForMultilineText(
int ownerClientLeft, int ownerClientWidth,
int ownerClientTop)
{
#if DEBUG
long startTick = DateTime.Now.Ticks;
#endif
List<EditableTextLine> lines = (List<EditableTextLine>)this.lineCollection;
int ownerClientRight = ownerClientLeft + ownerClientWidth;
int curX = 0;
int curY = 0;
bool lastestIsBlock = false;
int maxWidth = 0;
int curY_fromTop = ownerClientTop;
int maxHeightInRow = EditableTextLine.DEFAULT_LINE_HEIGHT;
int lineCount = lines.Count;
for (int i = 0; i < lineCount; ++i)
{
EditableTextLine line = lines[i];
curX = ownerClientLeft;
lastestIsBlock = false;
line.SetTop(curY_fromTop);
if (!line.NeedArrange)
{
maxHeightInRow = line.ActualLineHeight;
if (line.ActualLineWidth > maxWidth)
{
maxWidth = line.ActualLineWidth;
}
}
else
{
maxHeightInRow = EditableTextLine.DEFAULT_LINE_HEIGHT;
EditableTextLine newLine = null;
line.ValidateContentArrangement();
bool isFirstRunInThisLine = true;
foreach (EditableRun currentRun in line)
{
#if DEBUG
vinv_dbug_BeginSetElementBound(currentRun);
#endif
int v_desired_width = currentRun.Width;
int v_desired_height = currentRun.Height;
if (isFirstRunInThisLine)
{
lastestIsBlock = currentRun.IsBlockElement;
if (v_desired_height > maxHeightInRow)
{
maxHeightInRow = v_desired_height;
}
EditableRun.DirectSetLocation(currentRun, curX, 0);
if (v_desired_height > maxHeightInRow)
{
maxHeightInRow = v_desired_height;
}
if (lastestIsBlock)
{
v_desired_width = ownerClientWidth;
}
EditableRun.DirectSetSize(currentRun,
v_desired_width, v_desired_height);
currentRun.MarkValidContentArrangement();
curX += v_desired_width;
isFirstRunInThisLine = false;
}
else
{
if (lastestIsBlock || currentRun.IsBlockElement ||
(curX + v_desired_width > ownerClientRight))
{
newLine = new EditableTextLine(this);
newLine.AddLast(currentRun);
curY = curY_fromTop + maxHeightInRow;
curY_fromTop = curY;
maxHeightInRow = EditableTextLine.DEFAULT_LINE_HEIGHT;
EditableRun nextR = currentRun.NextTextRun;
while (nextR != null)
{
line.UnsafeRemoveVisualElement(nextR);
newLine.AddLast(nextR);
nextR = nextR.NextTextRun;
}
if (i + 1 == lineCount)
{
lines.Add(newLine);
}
else
{
lines.Insert(i + 1, newLine);
}
lineCount++;
break;
}
else
{
lastestIsBlock = currentRun.IsBlockElement;
if (v_desired_height > maxHeightInRow)
{
maxHeightInRow = v_desired_height;
}
EditableRun.DirectSetLocation(currentRun, curX, 0);
EditableRun.DirectSetSize(currentRun,
v_desired_width, v_desired_height);
currentRun.MarkValidContentArrangement();
curX += v_desired_width;
}
}
#if DEBUG
vinv_dbug_EndSetElementBound(currentRun);
#endif
}
if (curX > maxWidth)
{
maxWidth = curX;
}
}
line.SetPostArrangeLineSize(maxWidth, maxHeightInRow);
curY = curY_fromTop + maxHeightInRow;
curY_fromTop = curY;
}
ValidateArrangement();
}
