void ArrangeRowGroups(double buttonSize)
{
double num4;
double y;
double num3 = Math.Max((double)0.0, (double)((buttonSize - 6.0) / 2.0)) + 2.0;
_excel.GetSheetLayout();
RowLayoutModel rowLayoutModel = _excel.GetRowLayoutModel(ViewportIndex, SheetArea.Cells);
foreach (GroupDotInfo info in _groupDotInfos)
{
RowLayout layout = rowLayoutModel.Find(info.Index);
if ((layout != null) && (layout.Height >= 2.0))
{
num4 = (base.Location.X + (info.Level * buttonSize)) + num3;
y = layout.Y + Math.Max((double)0.0, (double)((layout.Height - 2.0) / 2.0));
info.Dot.Arrange(new Rect(base.PointToClient(new Point(num4, y)), _dotSize));
}
}
RangeGroupDirection direction = _excel.ActiveSheet.RowRangeGroup.Direction;
foreach (GroupLineInfo info2 in _groupLineInfos)
{
RowLayout layout2 = rowLayoutModel.FindRow(info2.Start);
RowLayout layout3 = rowLayoutModel.FindRow(info2.End);
if ((layout2 != null) && (layout3 != null))
{
Rectangle line = info2.Line;
num4 = (base.Location.X + (info2.Level * buttonSize)) + num3;
y = layout2.Y;
switch (direction)
{
case RangeGroupDirection.Forward:
y++;
break;
case RangeGroupDirection.Backward:
y--;
break;
}
double num8 = 2.0;
double num9 = Math.Max((double)0.0, (double)(((layout3.Y + layout3.Height) - layout2.Y) - 1.0));
line.Arrange(new Rect(base.PointToClient(new Point(num4, y)), new Size(num8, num9)));
Rectangle startLine = info2.StartLine;
if (startLine != null)
{
double num10 = Math.Min((double)6.0, (double)(buttonSize - 2.0));
if (num10 > 0.0)
{
if (direction == RangeGroupDirection.Backward)
{
y = (y + num9) - 2.0;
}
if ((y >= layout2.Y) && (y < (layout3.Y + layout3.Height)))
{
startLine.Arrange(new Rect(base.PointToClient(new Point(num4, y)), new Size(num10, 2.0)));
}
}
}
}
}
foreach (GroupButtonInfo info3 in _groupButtonInfos)
{
RowLayout layout4 = rowLayoutModel.FindRow(info3.Button.Index);
if (layout4 != null)
{
GroupButton button = info3.Button;
double num11 = Math.Max((double)0.0, (double)((layout4.Height - buttonSize) / 2.0));
num4 = (base.Location.X + (button.Level * buttonSize)) + 2.0;
y = layout4.Y + num11;
double num12 = buttonSize;
double num13 = Math.Min(buttonSize, layout4.Height);
button.Arrange(new Rect(base.PointToClient(new Point(num4, y)), new Size(num12, num13)));
Rectangle rectangle3 = info3.Line;
if ((rectangle3 != null) && (num13 < layout4.Height))
{
num4 = (base.Location.X + (button.Level * buttonSize)) + num3;
y = layout4.Y;
double num14 = 2.0;
double num15 = num11;
if (info3.LineDirection == RangeGroupDirection.Backward)
{
y += num11 + num13;
num15 = (layout4.Height - num13) - num11;
}
rectangle3.Arrange(new Rect(base.PointToClient(new Point(num4, y)), new Size(num14, num15)));
}
}
}
}
protected override Size MeasureOverride(Size availableSize)
{
if (_owner.Excel.CanCellOverflow)
{
int viewportLeftColumn = _owner.Excel.GetViewportLeftColumn(_owner.ColumnViewportIndex);
_owner.CellOverflowLayoutBuildEngine.ViewportLeftColumn = viewportLeftColumn;
int viewportRightColumn = _owner.Excel.GetViewportRightColumn(_owner.ColumnViewportIndex);
_owner.CellOverflowLayoutBuildEngine.ViewportRightColumn = viewportRightColumn;
}
// 频繁增删Children子元素会出现卡顿现象！
// Children = _rows + _recycledRows
RowLayoutModel rowLayoutModel = _owner.GetRowLayoutModel();
int less = rowLayoutModel.Count - Children.Count;
if (less > 0)
{
for (int i = 0; i < less; i++)
{
RowItem rowItem = new RowItem(_owner);
Children.Add(rowItem);
_recycledRows.Add(rowItem);
}
}
// 先回收不可见行
List <RowItem> rows = _rows.Values.ToList();
foreach (var rowItem in rows)
{
RowLayout layout = rowLayoutModel.FindRow(rowItem.Row);
if (layout == null || layout.Height <= 0.0)
{
_recycledRows.Add(rowItem);
_rows.Remove(rowItem.Row);
rowItem.Row = -1;
rowItem.CleanUpBeforeDiscard();
}
}
double y = _owner.Location.Y;
double left = 0.0;
foreach (RowLayout layout in rowLayoutModel)
{
if (layout.Height <= 0.0)
{
continue;
}
bool updateAllCell = false;
RowItem rowItem = null;
if (!_rows.TryGetValue(layout.Row, out rowItem))
{
// 重新利用回收的行
rowItem = _recycledRows[0];
_recycledRows.RemoveAt(0);
rowItem.Row = layout.Row;
_rows.Add(layout.Row, rowItem);
updateAllCell = true;
}
rowItem.Location = new Point(_owner.Location.X, y);
rowItem.UpdateChildren(updateAllCell);
int z = rowItem.ContainsSpanCell ? _spanRowZIndexBase + rowItem.Row : _normalZIndexBase + rowItem.Row;
z = z % 0x7ffe;
Canvas.SetZIndex(rowItem, z);
// 测量尺寸足够大，否则当单元格占多行时在uno上只绘一行！
rowItem.Measure(availableSize);
y += layout.Height;
left = Math.Max(left, rowItem.DesiredSize.Width);
}
// 测量回收的行
if (_recycledRows.Count > 0)
{
foreach (var rowItem in _recycledRows)
{
rowItem.Measure(_szEmpty);
}
}
return(new Size(left + _owner.Location.X, y));
}
protected override Size MeasureOverride(Size availableSize)
{
BuildSpanGraph();
// 频繁增删Children子元素会出现卡顿现象！
// Children = _rows + _recycledRows
RowLayoutModel rowLayoutModel = GetRowLayoutModel();
int less = rowLayoutModel.Count - Children.Count;
if (less > 0)
{
for (int i = 0; i < less; i++)
{
HeaderItem rowItem = new HeaderItem(this);
Children.Add(rowItem);
_recycledRows.Add(rowItem);
}
}
// 先回收不可见行
List <HeaderItem> rows = _rows.Values.ToList();
foreach (var rowItem in rows)
{
RowLayout layout = rowLayoutModel.FindRow(rowItem.Row);
if (layout == null || layout.Height <= 0.0)
{
_recycledRows.Add(rowItem);
_rows.Remove(rowItem.Row);
rowItem.Row = -1;
}
}
double x = Location.X;
double y = Location.Y;
double maxWidth = 0.0;
foreach (RowLayout layout in rowLayoutModel)
{
if (layout.Height <= 0.0)
{
continue;
}
bool updateAllCell = false;
HeaderItem rowItem = null;
if (!_rows.TryGetValue(layout.Row, out rowItem))
{
// 重新利用回收的行
rowItem = _recycledRows[0];
_recycledRows.RemoveAt(0);
rowItem.Row = layout.Row;
_rows.Add(layout.Row, rowItem);
updateAllCell = true;
}
rowItem.UpdateChildren(updateAllCell);
int z = rowItem.ContainsSpanCell ? _spanRowZIndexBase + rowItem.Row : _normalZIndexBase + rowItem.Row;
z = z % 0x7ffe;
Canvas.SetZIndex(rowItem, z);
rowItem.Location = new Point(x, y);
// 测量尺寸足够大，否则当单元格占多行时在uno上只绘一行！
rowItem.Measure(availableSize);
y += layout.Height;
maxWidth = Math.Max(maxWidth, rowItem.DesiredSize.Width);
}
// 测量回收的行
if (_recycledRows.Count > 0)
{
foreach (var rowItem in _recycledRows)
{
rowItem.Measure(_szEmpty);
}
}
return(new Size(maxWidth + Location.X, y));
}
