diff options
Diffstat (limited to 'cell.go')
| -rw-r--r-- | cell.go | 86 |
1 files changed, 24 insertions, 62 deletions
@@ -412,63 +412,6 @@ func (f *File) SetCellHyperLink(sheet, axis, link, linkType string) error { return nil } -// MergeCell provides a function to merge cells by given coordinate area and -// sheet name. For example create a merged cell of D3:E9 on Sheet1: -// -// err := f.MergeCell("Sheet1", "D3", "E9") -// -// If you create a merged cell that overlaps with another existing merged cell, -// those merged cells that already exist will be removed. -func (f *File) MergeCell(sheet, hcell, vcell string) error { - coordinates, err := f.areaRefToCoordinates(hcell + ":" + vcell) - if err != nil { - return err - } - x1, y1, x2, y2 := coordinates[0], coordinates[1], coordinates[2], coordinates[3] - - if x1 == x2 && y1 == y2 { - return err - } - - // Correct the coordinate area, such correct C1:B3 to B1:C3. - if x2 < x1 { - x1, x2 = x2, x1 - } - - if y2 < y1 { - y1, y2 = y2, y1 - } - - hcell, _ = CoordinatesToCellName(x1, y1) - vcell, _ = CoordinatesToCellName(x2, y2) - - xlsx, err := f.workSheetReader(sheet) - if err != nil { - return err - } - if xlsx.MergeCells != nil { - ref := hcell + ":" + vcell - // Delete the merged cells of the overlapping area. - for _, cellData := range xlsx.MergeCells.Cells { - cc := strings.Split(cellData.Ref, ":") - if len(cc) != 2 { - return fmt.Errorf("invalid area %q", cellData.Ref) - } - c1, _ := checkCellInArea(hcell, cellData.Ref) - c2, _ := checkCellInArea(vcell, cellData.Ref) - c3, _ := checkCellInArea(cc[0], ref) - c4, _ := checkCellInArea(cc[1], ref) - if !(!c1 && !c2 && !c3 && !c4) { - return nil - } - } - xlsx.MergeCells.Cells = append(xlsx.MergeCells.Cells, &xlsxMergeCell{Ref: ref}) - } else { - xlsx.MergeCells = &xlsxMergeCells{Cells: []*xlsxMergeCell{{Ref: hcell + ":" + vcell}}} - } - return err -} - // SetSheetRow writes an array to row by given worksheet name, starting // coordinate and a pointer to array type 'slice'. For example, writes an // array to row 6 start with the cell B6 on Sheet1: @@ -601,7 +544,7 @@ func (f *File) mergeCellsParser(xlsx *xlsxWorksheet, axis string) (string, error axis = strings.ToUpper(axis) if xlsx.MergeCells != nil { for i := 0; i < len(xlsx.MergeCells.Cells); i++ { - ok, err := checkCellInArea(axis, xlsx.MergeCells.Cells[i].Ref) + ok, err := f.checkCellInArea(axis, xlsx.MergeCells.Cells[i].Ref) if err != nil { return axis, err } @@ -615,7 +558,7 @@ func (f *File) mergeCellsParser(xlsx *xlsxWorksheet, axis string) (string, error // checkCellInArea provides a function to determine if a given coordinate is // within an area. -func checkCellInArea(cell, area string) (bool, error) { +func (f *File) checkCellInArea(cell, area string) (bool, error) { col, row, err := CellNameToCoordinates(cell) if err != nil { return false, err @@ -625,11 +568,30 @@ func checkCellInArea(cell, area string) (bool, error) { if len(rng) != 2 { return false, err } + coordinates, err := f.areaRefToCoordinates(area) + if err != nil { + return false, err + } + + return cellInRef([]int{col, row}, coordinates), err +} - firstCol, firstRow, _ := CellNameToCoordinates(rng[0]) - lastCol, lastRow, _ := CellNameToCoordinates(rng[1]) +// cellInRef provides a function to determine if a given range is within an +// range. +func cellInRef(cell, ref []int) bool { + return cell[0] >= ref[0] && cell[0] <= ref[2] && cell[1] >= ref[1] && cell[1] <= ref[3] +} - return col >= firstCol && col <= lastCol && row >= firstRow && row <= lastRow, err +// isOverlap find if the given two rectangles overlap or not. +func isOverlap(rect1, rect2 []int) bool { + return cellInRef([]int{rect1[0], rect1[1]}, rect2) || + cellInRef([]int{rect1[2], rect1[1]}, rect2) || + cellInRef([]int{rect1[0], rect1[3]}, rect2) || + cellInRef([]int{rect1[2], rect1[3]}, rect2) || + cellInRef([]int{rect2[0], rect2[1]}, rect1) || + cellInRef([]int{rect2[2], rect2[1]}, rect1) || + cellInRef([]int{rect2[0], rect2[3]}, rect1) || + cellInRef([]int{rect2[2], rect2[3]}, rect1) } // getSharedForumula find a cell contains the same formula as another cell, |