CellRange ClipCellRange(CellRange source)
{
RowLayoutModel rowLayoutModel = OwnPanel.GetRowLayoutModel();
ColumnLayoutModel columnLayoutModel = GetColumnLayoutModel();
ICellsSupport dataContext = OwnPanel.GetDataContext();
int row = Math.Max(rowLayoutModel[0].Row, source.Row);
int num2 = Math.Min(rowLayoutModel[rowLayoutModel.Count - 1].Row, (source.Row + source.RowCount) - 1);
int column = Math.Max(columnLayoutModel[0].Column, source.Column);
int num4 = Math.Min(columnLayoutModel[columnLayoutModel.Count - 1].Column, (source.Column + source.ColumnCount) - 1);
for (int i = row; i <= num2; i++)
{
if (dataContext.Rows[i].ActualHeight > 0.0)
{
row = i;
break;
}
}
for (int j = column; j <= num4; j++)
{
if (dataContext.Columns[j].ActualWidth > 0.0)
{
column = j;
break;
}
}
return(new CellRange(row, column, (num2 - row) + 1, (num4 - column) + 1));
}
protected override Size ArrangeOverride(Size finalSize)
{
if (Row == -1 || finalSize.Width == 0 || finalSize.Height == 0)
{
foreach (UIElement elem in Children)
{
elem.Arrange(_rcEmpty);
}
return(finalSize);
}
ColumnLayoutModel colLayoutModel = GetColumnLayoutModel();
RowLayout layout = OwnPanel.GetRowLayoutModel().FindRow(Row);
foreach (ColumnLayout colLayout in colLayoutModel)
{
CellItem cell;
if (colLayout.Width <= 0.0 || (cell = GetCell(colLayout.Column)) == null)
{
continue;
}
double left = colLayout.X;
double top = layout.Y;
double w = colLayout.Width;
double h = layout.Height;
int zIndex = _normalCellZIndexBase + colLayout.Column;
CellLayout cellLayout = cell.CellLayout;
if (cellLayout != null)
{
left = cellLayout.X;
top = cellLayout.Y;
w = cellLayout.Width;
h = cellLayout.Height;
zIndex = _spanCellZIndexBase + colLayout.Column;
}
// Canvas.SetZIndex 对所有继承自 Panel 的面板都有效，z值大的在上层，z值相同时按 Children 的索引，索引大的在上层
// 但uno中 Canvas.SetZIndex 无效，只按 Children 的索引确定层次！
if (cell.CellOverflowLayout != null)
{
zIndex = _flowCellZIndexBase + colLayout.Column;
}
zIndex = zIndex % 0x7ffe;
Canvas.SetZIndex(cell, zIndex);
cell.Arrange(new Rect(left - Location.X, top - Location.Y, w, h));
}
if (_recycledCells.Count > 0)
{
foreach (var cell in _recycledCells)
{
cell.Arrange(_rcEmpty);
}
}
CellOverflowLayoutModel cellOverflowLayoutModel = OwnPanel.GetCellOverflowLayoutModel(Row);
if (cellOverflowLayoutModel == null)
{
return(finalSize);
}
Worksheet worksheet = OwnPanel.Excel.ActiveSheet;
float zoomFactor = OwnPanel.Excel.ZoomFactor;
if (cellOverflowLayoutModel.HeadingOverflowlayout != null)
{
double num7 = Location.X;
double num8 = layout.Y;
for (int j = cellOverflowLayoutModel.HeadingOverflowlayout.Column; j < colLayoutModel[0].Column; j++)
{
double actualColumnWidth = worksheet.GetActualColumnWidth(j, SheetArea.Cells);
num7 -= actualColumnWidth * zoomFactor;
}
double num12 = worksheet.GetActualColumnWidth(cellOverflowLayoutModel.HeadingOverflowlayout.Column, SheetArea.Cells) * zoomFactor;
Size size = new Size(num12, layout.Height);
Rect rect = new Rect(PointToClient(new Point(num7, num8)), size);
int num13 = _flowCellZIndexBase + cellOverflowLayoutModel.HeadingOverflowlayout.Column;
num13 = num13 % 0x7ffe;
Canvas.SetZIndex(HeadingOverflowCell, num13);
HeadingOverflowCell.Arrange(rect);
}
if (cellOverflowLayoutModel.TrailingOverflowlayout == null)
{
return(finalSize);
}
ColumnLayout layout4 = colLayoutModel[colLayoutModel.Count - 1];
if (layout4 == null)
{
return(finalSize);
}
double x = layout4.X;
double y = layout.Y;
for (int i = layout4.Column; i < cellOverflowLayoutModel.TrailingOverflowlayout.Column; i++)
{
x += worksheet.GetActualColumnWidth(i, SheetArea.Cells) * zoomFactor;
}
double width = worksheet.GetActualColumnWidth(cellOverflowLayoutModel.TrailingOverflowlayout.Column, SheetArea.Cells) * zoomFactor;
Size size2 = new Size(width, layout.Height);
Rect rect2 = new Rect(PointToClient(new Point(x, y)), size2);
int num18 = _flowCellZIndexBase + cellOverflowLayoutModel.TrailingOverflowlayout.Column;
num18 = num18 % 0x7ffe;
Canvas.SetZIndex(TrailingOverflowCell, num18);
TrailingOverflowCell.Arrange(rect2);
return(finalSize);
}
protected override Size MeasureOverride(Size availableSize)
{
if (Row == -1 || availableSize.Width == 0.0 || availableSize.Height == 0.0)
{
foreach (UIElement elem in Children)
{
elem.Measure(_szEmpty);
}
return(_szEmpty);
}
ColumnLayoutModel colLayoutModel = GetColumnLayoutModel();
RowLayout layout = OwnPanel.GetRowLayoutModel().FindRow(Row);
CellOverflowLayoutModel cellOverflowLayoutModel = OwnPanel.GetCellOverflowLayoutModel(Row);
RowWidth = 0.0;
double height = 0.0;
foreach (ColumnLayout colLayout in colLayoutModel)
{
RowWidth += colLayout.Width;
CellItem cell = GetCell(colLayout.Column);
if (cell == null)
{
continue;
}
double w = colLayout.Width;
double h = layout.Height;
if (cell.CellLayout != null)
{
w = cell.CellLayout.Width;
h = cell.CellLayout.Height;
}
cell.CellOverflowLayout = null;
if (cell.CellLayout == null && cellOverflowLayoutModel != null)
{
var cellOverflowLayout = cellOverflowLayoutModel.GetCellOverflowLayout(colLayout.Column);
if ((cellOverflowLayout != null) && (cellOverflowLayout.Column == colLayout.Column))
{
cell.CellOverflowLayout = cellOverflowLayout;
}
}
cell.Measure(new Size(w, h));
if (h > height)
{
height = h;
}
}
if (_recycledCells.Count > 0)
{
foreach (var cell in _recycledCells)
{
cell.Measure(_szEmpty);
}
}
double width = Math.Min(RowWidth, OwnPanel.GetViewportSize().Width);
if (cellOverflowLayoutModel != null)
{
Worksheet worksheet = OwnPanel.Excel.ActiveSheet;
float zoomFactor = OwnPanel.Excel.ZoomFactor;
if (cellOverflowLayoutModel.HeadingOverflowlayout != null)
{
HeadingOverflowCell.CellOverflowLayout = cellOverflowLayoutModel.HeadingOverflowlayout;
double num8 = worksheet.GetActualColumnWidth(cellOverflowLayoutModel.HeadingOverflowlayout.Column, SheetArea.Cells) * zoomFactor;
Size size = new Size(num8, layout.Height);
HeadingOverflowCell.Measure(size);
}
if (cellOverflowLayoutModel.TrailingOverflowlayout != null)
{
TrailingOverflowCell.CellOverflowLayout = cellOverflowLayoutModel.TrailingOverflowlayout;
double num9 = worksheet.GetActualColumnWidth(cellOverflowLayoutModel.TrailingOverflowlayout.Column, SheetArea.Cells) * zoomFactor;
Size size2 = new Size(num9, layout.Height);
TrailingOverflowCell.Measure(size2);
}
}
return(new Size(width, height));
}
