diff options
Diffstat (limited to 'adjust.go')
| -rw-r--r-- | adjust.go | 161 |
1 files changed, 100 insertions, 61 deletions
@@ -9,7 +9,10 @@ package excelize -import "strings" +import ( + "errors" + "strings" +) type adjustDirection bool @@ -140,46 +143,85 @@ func (f *File) adjustAutoFilter(xlsx *xlsxWorksheet, dir adjustDirection, num, o return nil } - rng := strings.Split(xlsx.AutoFilter.Ref, ":") - firstCell := rng[0] - lastCell := rng[1] - - firstCol, firstRow, err := CellNameToCoordinates(firstCell) + coordinates, err := f.areaRefToCoordinates(xlsx.AutoFilter.Ref) if err != nil { return err } + x1, y1, x2, y2 := coordinates[0], coordinates[1], coordinates[2], coordinates[3] - lastCol, lastRow, err := CellNameToCoordinates(lastCell) - if err != nil { - return err - } - - if (dir == rows && firstRow == num && offset < 0) || (dir == columns && firstCol == num && lastCol == num) { + if (dir == rows && y1 == num && offset < 0) || (dir == columns && x1 == num && x2 == num) { xlsx.AutoFilter = nil for rowIdx := range xlsx.SheetData.Row { rowData := &xlsx.SheetData.Row[rowIdx] - if rowData.R > firstRow && rowData.R <= lastRow { + if rowData.R > y1 && rowData.R <= y2 { rowData.Hidden = false } } return nil } + coordinates = f.adjustAutoFilterHelper(dir, coordinates, num, offset) + x1, y1, x2, y2 = coordinates[0], coordinates[1], coordinates[2], coordinates[3] + + if xlsx.AutoFilter.Ref, err = f.coordinatesToAreaRef([]int{x1, y1, x2, y2}); err != nil { + return err + } + return nil +} + +// adjustAutoFilterHelper provides a function for adjusting auto filter to +// compare and calculate cell axis by the given adjust direction, operation +// axis and offset. +func (f *File) adjustAutoFilterHelper(dir adjustDirection, coordinates []int, num, offset int) []int { if dir == rows { - if firstRow >= num { - firstCell, _ = CoordinatesToCellName(firstCol, firstRow+offset) + if coordinates[1] >= num { + coordinates[1] += offset } - if lastRow >= num { - lastCell, _ = CoordinatesToCellName(lastCol, lastRow+offset) + if coordinates[3] >= num { + coordinates[3] += offset } } else { - if lastCol >= num { - lastCell, _ = CoordinatesToCellName(lastCol+offset, lastRow) + if coordinates[2] >= num { + coordinates[2] += offset } } + return coordinates +} - xlsx.AutoFilter.Ref = firstCell + ":" + lastCell - return nil +// areaRefToCoordinates provides a function to convert area reference to a +// pair of coordinates. +func (f *File) areaRefToCoordinates(ref string) ([]int, error) { + coordinates := make([]int, 4) + rng := strings.Split(ref, ":") + firstCell := rng[0] + lastCell := rng[1] + var err error + coordinates[0], coordinates[1], err = CellNameToCoordinates(firstCell) + if err != nil { + return coordinates, err + } + coordinates[2], coordinates[3], err = CellNameToCoordinates(lastCell) + if err != nil { + return coordinates, err + } + return coordinates, err +} + +// coordinatesToAreaRef provides a function to convert a pair of coordinates +// to area reference. +func (f *File) coordinatesToAreaRef(coordinates []int) (string, error) { + if len(coordinates) != 4 { + return "", errors.New("coordinates length must be 4") + } + firstCell, err := CoordinatesToCellName(coordinates[0], coordinates[1]) + if err != nil { + return "", err + } + lastCell, err := CoordinatesToCellName(coordinates[2], coordinates[3]) + if err != nil { + return "", err + } + return firstCell + ":" + lastCell, err } // adjustMergeCells provides a function to update merged cells when inserting @@ -190,59 +232,56 @@ func (f *File) adjustMergeCells(xlsx *xlsxWorksheet, dir adjustDirection, num, o } for i, areaData := range xlsx.MergeCells.Cells { - rng := strings.Split(areaData.Ref, ":") - firstCell := rng[0] - lastCell := rng[1] - - firstCol, firstRow, err := CellNameToCoordinates(firstCell) + coordinates, err := f.areaRefToCoordinates(areaData.Ref) if err != nil { return err } - - lastCol, lastRow, err := CellNameToCoordinates(lastCell) - if err != nil { - return err - } - - adjust := func(v int) int { - if v >= num { - v += offset - if v < 1 { - return 1 - } - return v - } - return v - } - + x1, y1, x2, y2 := coordinates[0], coordinates[1], coordinates[2], coordinates[3] if dir == rows { - firstRow = adjust(firstRow) - lastRow = adjust(lastRow) + if y1 == num && y2 == num && offset < 0 { + f.deleteMergeCell(xlsx, i) + } + y1 = f.adjustMergeCellsHelper(y1, num, offset) + y2 = f.adjustMergeCellsHelper(y2, num, offset) } else { - firstCol = adjust(firstCol) - lastCol = adjust(lastCol) - } - - if firstCol == lastCol && firstRow == lastRow { - if len(xlsx.MergeCells.Cells) > 1 { - xlsx.MergeCells.Cells = append(xlsx.MergeCells.Cells[:i], xlsx.MergeCells.Cells[i+1:]...) - xlsx.MergeCells.Count = len(xlsx.MergeCells.Cells) - } else { - xlsx.MergeCells = nil + if x1 == num && x2 == num && offset < 0 { + f.deleteMergeCell(xlsx, i) } + x1 = f.adjustMergeCellsHelper(x1, num, offset) + x2 = f.adjustMergeCellsHelper(x2, num, offset) } - - if firstCell, err = CoordinatesToCellName(firstCol, firstRow); err != nil { + if x1 == x2 && y1 == y2 { + f.deleteMergeCell(xlsx, i) + } + if areaData.Ref, err = f.coordinatesToAreaRef([]int{x1, y1, x2, y2}); err != nil { return err } + } + return nil +} - if lastCell, err = CoordinatesToCellName(lastCol, lastRow); err != nil { - return err +// adjustMergeCellsHelper provides a function for adjusting merge cells to +// compare and calculate cell axis by the given pivot, operation axis and +// offset. +func (f *File) adjustMergeCellsHelper(pivot, num, offset int) int { + if pivot >= num { + pivot += offset + if pivot < 1 { + return 1 } + return pivot + } + return pivot +} - areaData.Ref = firstCell + ":" + lastCell +// deleteMergeCell provides a function to delete merged cell by given index. +func (f *File) deleteMergeCell(sheet *xlsxWorksheet, idx int) { + if len(sheet.MergeCells.Cells) > 1 { + sheet.MergeCells.Cells = append(sheet.MergeCells.Cells[:idx], sheet.MergeCells.Cells[idx+1:]...) + sheet.MergeCells.Count = len(sheet.MergeCells.Cells) + } else { + sheet.MergeCells = nil } - return nil } // adjustCalcChain provides a function to update the calculation chain when |