CellOverflowLayout BuildTrailingCellOverflowLayoutModel(int rowIndex, ColumnLayoutModel columnLayoutModel, CellOverflowLayoutModel existed, object textFormattingMode, bool useLayoutRounding)
{
ColumnLayout layout = Enumerable.LastOrDefault <ColumnLayout>(columnLayoutModel, delegate(ColumnLayout clm)
{
return(clm.Width > 0.0);
});
if (layout == null)
{
if (columnLayoutModel.Count == 0)
{
return(null);
}
layout = columnLayoutModel[0];
}
if (!existed.Contains(layout.Column))
{
CellOverflowLayout layout2 = new CellOverflowLayout(layout.Column, 0.0);
ICellsSupport dataContext = Viewport.GetDataContext();
SheetSpanModelBase spanModel = Viewport.GetSpanModel();
for (int i = 1; i < _maxCellOverflowDistance; i++)
{
int column = layout.Column + i;
if (column >= dataContext.Columns.Count)
{
return(null);
}
if (dataContext.Columns[column].ActualWidth > 0.0)
{
if ((spanModel != null) && (spanModel.Find(rowIndex, column) != null))
{
return(null);
}
Cell cachedCell = Viewport.CellCache.GetCachedCell(rowIndex, column);
if (!string.IsNullOrEmpty(cachedCell.Text))
{
if (cachedCell.ActualWordWrap)
{
return(null);
}
if (cachedCell.ActualShrinkToFit)
{
return(null);
}
switch (cachedCell.ToHorizontalAlignment())
{
case HorizontalAlignment.Left:
case HorizontalAlignment.Stretch:
return(null);
case HorizontalAlignment.Center:
{
int deadColumnIndex = columnLayoutModel[0].Column - 1;
layout2 = BuildCellOverflowLayoutModelForRight(cachedCell, rowIndex, existed, true, deadColumnIndex, textFormattingMode, useLayoutRounding);
if ((layout2 == null) || (layout2.StartingColumn > ViewportRightColumn))
{
return(null);
}
layout2.BackgroundWidth += (dataContext.Columns[column].ActualWidth * Viewport.Excel.ZoomFactor) / 2.0;
return(layout2);
}
case HorizontalAlignment.Right:
{
int num5 = columnLayoutModel[0].Column - 1;
layout2 = BuildCellOverflowLayoutModelForRight(cachedCell, rowIndex, existed, false, num5, textFormattingMode, useLayoutRounding);
if ((layout2 == null) || (layout2.StartingColumn > ViewportRightColumn))
{
return(null);
}
return(layout2);
}
}
break;
}
}
}
}
return(null);
}
protected override Size ArrangeOverride(Size finalSize)
{
Rect rc = new Rect(0.0, 0.0, finalSize.Width, finalSize.Height);
_rowsLayer.Arrange(rc);
_borderLayer.Arrange(rc);
_selectionLayer.Arrange(rc);
_dragFillLayer.Arrange(_cachedDragFillRect);
_decorationLayer?.Arrange(rc);
#if !IOS
// 正在编辑时滚动页面若不重新布局会造成编辑框没跟着滚动
// iOS始终重新布局，再调用 InvalidateArrange 会死循环！
if (IsEditing())
{
_editorLayer.InvalidateArrange();
}
#endif
_editorLayer.Arrange(rc);
_floatingLayer.Arrange(rc);
_floatingEditLayer.Arrange(rc);
Size viewportSize = GetViewportSize(finalSize);
if (Excel.IsTouching)
{
if (Clip == null)
{
Clip = new RectangleGeometry {
Rect = new Rect(new Point(), viewportSize)
}
}
;
}
else
{
Clip = new RectangleGeometry {
Rect = new Rect(new Point(), viewportSize)
};
}
if (Clip != null)
{
_borderLayer.Clip = new RectangleGeometry {
Rect = Clip.Rect
}
}
;
return(finalSize);
}
void BuildSpanGraph()
{
_cachedSpanGraph.Reset();
SheetSpanModelBase spanModel = GetSpanModel();
if ((spanModel != null) && !spanModel.IsEmpty())
{
int rowStart = Excel.GetViewportTopRow(RowViewportIndex);
int rowEnd = Excel.GetViewportBottomRow(RowViewportIndex);
int columnStart = Excel.GetViewportLeftColumn(ColumnViewportIndex);
int columnEnd = Excel.GetViewportRightColumn(ColumnViewportIndex);
if ((rowStart <= rowEnd) && (columnStart <= columnEnd))
{
int num5 = -1;
for (int i = rowStart - 1; i > -1; i--)
{
if (Excel.ActiveSheet.GetActualRowVisible(i, SheetArea.Cells))
{
num5 = i;
break;
}
}
rowStart = num5;
int count = GetDataContext().Rows.Count;
for (int j = rowEnd + 1; j < count; j++)
{
if (Excel.ActiveSheet.GetActualRowVisible(j, SheetArea.Cells))
{
rowEnd = j;
break;
}
}
int num9 = -1;
for (int k = columnStart - 1; k > -1; k--)
{
if (Excel.ActiveSheet.GetActualColumnVisible(k, SheetArea.Cells))
{
num9 = k;
break;
}
}
columnStart = num9;
int num11 = GetDataContext().Columns.Count;
for (int m = columnEnd + 1; m < num11; m++)
{
if (Excel.ActiveSheet.GetActualColumnVisible(m, SheetArea.Cells))
{
columnEnd = m;
break;
}
}
_cachedSpanGraph.BuildGraph(columnStart, columnEnd, rowStart, rowEnd, GetSpanModel(), CellCache);
}
}
}
}
}
public void BuildGraph(int columnStart, int columnEnd, int rowStart, int rowEnd, SheetSpanModelBase spanModel, ICellSupport cellsPool)
{
_cachedLeftColumn = columnStart;
_cachedRightColumn = columnEnd;
_cachedTopRow = rowStart;
_cachedBottomRow = rowEnd;
int rowCount = (_cachedBottomRow - _cachedTopRow) + 1;
int columnCount = (_cachedRightColumn - _cachedLeftColumn) + 1;
if ((rowCount > 0) && (columnCount > 0))
{
_cahcedSpanGraph = new byte[rowCount, columnCount];
IEnumerator enumerator = spanModel.GetEnumerator(_cachedTopRow, _cachedLeftColumn, rowCount, columnCount);
while (enumerator.MoveNext())
{
CellRange current = (CellRange)enumerator.Current;
Cell cell = cellsPool.GetCell(current.Row, current.Column);
byte num3 = 0;
if ((cell != null) && (cell.ActualBackground != null))
{
num3 = 0x20;
}
for (int i = 0; i < current.RowCount; i++)
{
int num5 = i + current.Row;
if ((num5 <= _cachedBottomRow) && (num5 >= _cachedTopRow))
{
for (int j = 0; j < current.ColumnCount; j++)
{
int num7 = j + current.Column;
if ((num7 >= _cachedLeftColumn) && (num7 <= _cachedRightColumn))
{
_cahcedSpanGraph[num5 - _cachedTopRow, num7 - _cachedLeftColumn] += num3;
if ((j == 0) && (i == 0))
{
_cahcedSpanGraph[num5 - _cachedTopRow, num7 - _cachedLeftColumn] += 0x40;
}
if (j == 0)
{
_cahcedSpanGraph[num5 - _cachedTopRow, num7 - _cachedLeftColumn]++;
}
if (j == (current.ColumnCount - 1))
{
_cahcedSpanGraph[num5 - _cachedTopRow, num7 - _cachedLeftColumn] += 4;
}
if (i == 0)
{
_cahcedSpanGraph[num5 - _cachedTopRow, num7 - _cachedLeftColumn] += 2;
}
if (i == (current.RowCount - 1))
{
_cahcedSpanGraph[num5 - _cachedTopRow, num7 - _cachedLeftColumn] += 8;
}
if (((j > 0) && (j < (current.ColumnCount - 1))) && ((i > 0) && (i < (current.RowCount - 1))))
{
_cahcedSpanGraph[num5 - _cachedTopRow, num7 - _cachedLeftColumn] += 0x10;
}
}
}
}
}
}
}
}
void BuildSpanGraph()
{
CachedSpanGraph.Reset();
SheetSpanModelBase spanModel = GetSpanModel();
if (spanModel == null || spanModel.IsEmpty())
{
return;
}
int rowStart = -1;
int rowEnd = -1;
int columnStart = -1;
int columnEnd = -1;
switch (Area)
{
case (SheetArea.CornerHeader | SheetArea.RowHeader):
rowStart = Excel.GetViewportTopRow(RowViewportIndex);
rowEnd = Excel.GetViewportBottomRow(RowViewportIndex);
columnStart = 0;
columnEnd = Excel.ActiveSheet.RowHeader.ColumnCount - 1;
break;
case SheetArea.ColumnHeader:
rowStart = 0;
rowEnd = Excel.ActiveSheet.ColumnHeader.RowCount - 1;
columnStart = Excel.GetViewportLeftColumn(ColumnViewportIndex);
columnEnd = Excel.GetViewportRightColumn(ColumnViewportIndex);
break;
}
if ((rowStart <= rowEnd) && (columnStart <= columnEnd))
{
int num5 = -1;
for (int i = rowStart - 1; i > -1; i--)
{
if (Excel.ActiveSheet.GetActualRowVisible(i, Area))
{
num5 = i;
break;
}
}
rowStart = num5;
int count = GetDataContext().Rows.Count;
for (int j = rowEnd + 1; j < count; j++)
{
if (Excel.ActiveSheet.GetActualRowVisible(j, Area))
{
rowEnd = j;
break;
}
}
int num9 = -1;
for (int k = columnStart - 1; k > -1; k--)
{
if (Excel.ActiveSheet.GetActualColumnVisible(k, Area))
{
num9 = k;
break;
}
}
columnStart = num9;
int num11 = GetDataContext().Columns.Count;
for (int m = columnEnd + 1; m < num11; m++)
{
if (Excel.ActiveSheet.GetActualColumnVisible(m, Area))
{
columnEnd = m;
break;
}
}
CachedSpanGraph.BuildGraph(columnStart, columnEnd, rowStart, rowEnd, GetSpanModel(), CellCache);
}
}
