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)); }
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); }
public CellCachePool(ICellsSupport p_cellsSupport) { _cellsSupport = p_cellsSupport; }
CellOverflowLayout BuildCellOverflowLayoutModelForRight(Cell bindingCell, int rowIndex, CellOverflowLayoutModel result, bool buildForCenter, int deadColumnIndex, object textFormattingMode, bool useLayoutRounding) { ICellsSupport dataContext = Viewport.GetDataContext(); int index = bindingCell.Column.Index; if (index > deadColumnIndex) { Column column = dataContext.Columns[index]; CellLayoutModel cellLayoutModel = Viewport.GetCellLayoutModel(); Column column2 = dataContext.Columns[index - 1]; int num2 = column2.Index; if ((cellLayoutModel != null) && (cellLayoutModel.FindCell(rowIndex, num2) != null)) { return(null); } Cell cachedCell = Viewport.CellCache.GetCachedCell(rowIndex, num2); if ((cachedCell != null) && !string.IsNullOrEmpty(cachedCell.Text)) { return(null); } float zoomFactor = Viewport.Excel.ZoomFactor; Size textSize = MeasureHelper.MeasureTextInCell(bindingCell, new Size(double.PositiveInfinity, double.PositiveInfinity), (double)zoomFactor, null, textFormattingMode, useLayoutRounding); double width = MeasureHelper.ConvertTextSizeToExcelCellSize(textSize, (double)zoomFactor).Width; double num5 = column.ActualWidth * zoomFactor; if (buildForCenter) { width /= 2.0; num5 /= 2.0; } double num6 = num5; if (num6 < width) { CellOverflowLayout layout2 = new CellOverflowLayout(column.Index, num6) { StartingColumn = column.Index }; for (int i = index - 1; (i >= 0) && (i >= deadColumnIndex); i--) { column2 = dataContext.Columns[i]; num2 = column2.Index; if ((cellLayoutModel != null) && (cellLayoutModel.FindCell(rowIndex, num2) != null)) { layout2.BackgroundWidth = num6; layout2.StartingColumn = dataContext.Columns[i + 1].Index; break; } if (((cachedCell != null) && (result != null)) && result.Contains(column2.Index)) { layout2.BackgroundWidth = num6; layout2.StartingColumn = dataContext.Columns[i + 1].Index; break; } cachedCell = Viewport.CellCache.GetCachedCell(rowIndex, num2); if ((cachedCell != null) && !string.IsNullOrEmpty(cachedCell.Text)) { layout2.BackgroundWidth = num6; layout2.StartingColumn = dataContext.Columns[i + 1].Index; break; } num6 += column2.ActualWidth * zoomFactor; if (((num6 >= width) || (i == 0)) || (i <= deadColumnIndex)) { layout2.BackgroundWidth = num6; layout2.StartingColumn = column2.Index; break; } } if (layout2.StartingColumn != column.Index) { layout2.ContentWidth = MeasureHelper.ConvertTextSizeToExcelCellSize(textSize, (double)zoomFactor).Width; layout2.LeftBackgroundWidth = num6; return(layout2); } } } return(null); }