262 lines
7.7 KiB
Go
262 lines
7.7 KiB
Go
package excelize
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import (
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"encoding/xml"
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"strconv"
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"strings"
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)
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// GetCellValue provides function to get formatted value from cell by given
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// sheet index and axis in XLSX file. If it is possible to apply a format to the
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// cell value, it will do so, if not then an error will be returned, along with
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// the raw value of the cell.
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func (f *File) GetCellValue(sheet, axis string) string {
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xlsx := f.workSheetReader(sheet)
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axis = strings.ToUpper(axis)
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if xlsx.MergeCells != nil {
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for i := 0; i < len(xlsx.MergeCells.Cells); i++ {
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if checkCellInArea(axis, xlsx.MergeCells.Cells[i].Ref) {
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axis = strings.Split(xlsx.MergeCells.Cells[i].Ref, ":")[0]
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}
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}
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}
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row, _ := strconv.Atoi(strings.Map(intOnlyMapF, axis))
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xAxis := row - 1
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rows := len(xlsx.SheetData.Row)
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if rows > 1 {
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lastRow := xlsx.SheetData.Row[rows-1].R
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if lastRow >= rows {
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rows = lastRow
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}
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}
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if rows < xAxis {
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return ""
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}
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for _, v := range xlsx.SheetData.Row {
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if v.R != row {
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continue
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}
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for _, r := range v.C {
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if axis != r.R {
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continue
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}
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switch r.T {
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case "s":
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shardStrings := xlsxSST{}
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xlsxSI := 0
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xlsxSI, _ = strconv.Atoi(r.V)
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xml.Unmarshal([]byte(f.readXML("xl/sharedStrings.xml")), &shardStrings)
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return f.formattedValue(r.S, shardStrings.SI[xlsxSI].T)
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case "str":
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return f.formattedValue(r.S, r.V)
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default:
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return f.formattedValue(r.S, r.V)
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}
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}
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}
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return ""
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}
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// formattedValue provides function to returns a value after formatted. If it is
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// possible to apply a format to the cell value, it will do so, if not then an
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// error will be returned, along with the raw value of the cell.
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func (f *File) formattedValue(s int, v string) string {
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if s == 0 {
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return v
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}
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var styleSheet xlsxStyleSheet
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xml.Unmarshal([]byte(f.readXML("xl/styles.xml")), &styleSheet)
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ok := builtInNumFmtFunc[styleSheet.CellXfs.Xf[s].NumFmtID]
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if ok != nil {
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return ok(styleSheet.CellXfs.Xf[s].NumFmtID, v)
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}
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return v
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}
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// GetCellFormula provides function to get formula from cell by given sheet
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// index and axis in XLSX file.
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func (f *File) GetCellFormula(sheet, axis string) string {
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xlsx := f.workSheetReader(sheet)
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axis = strings.ToUpper(axis)
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if xlsx.MergeCells != nil {
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for i := 0; i < len(xlsx.MergeCells.Cells); i++ {
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if checkCellInArea(axis, xlsx.MergeCells.Cells[i].Ref) {
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axis = strings.Split(xlsx.MergeCells.Cells[i].Ref, ":")[0]
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}
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}
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}
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row, _ := strconv.Atoi(strings.Map(intOnlyMapF, axis))
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xAxis := row - 1
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rows := len(xlsx.SheetData.Row)
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if rows > 1 {
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lastRow := xlsx.SheetData.Row[rows-1].R
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if lastRow >= rows {
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rows = lastRow
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}
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}
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if rows < xAxis {
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return ""
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}
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for _, v := range xlsx.SheetData.Row {
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if v.R != row {
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continue
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}
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for _, f := range v.C {
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if axis != f.R {
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continue
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}
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if f.F != nil {
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return f.F.Content
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}
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}
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}
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return ""
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}
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// SetCellFormula provides function to set cell formula by given string and
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// sheet index.
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func (f *File) SetCellFormula(sheet, axis, formula string) {
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xlsx := f.workSheetReader(sheet)
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axis = strings.ToUpper(axis)
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if xlsx.MergeCells != nil {
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for i := 0; i < len(xlsx.MergeCells.Cells); i++ {
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if checkCellInArea(axis, xlsx.MergeCells.Cells[i].Ref) {
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axis = strings.Split(xlsx.MergeCells.Cells[i].Ref, ":")[0]
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}
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}
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}
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col := string(strings.Map(letterOnlyMapF, axis))
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row, _ := strconv.Atoi(strings.Map(intOnlyMapF, axis))
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xAxis := row - 1
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yAxis := titleToNumber(col)
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rows := xAxis + 1
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cell := yAxis + 1
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completeRow(xlsx, rows, cell)
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completeCol(xlsx, rows, cell)
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if xlsx.SheetData.Row[xAxis].C[yAxis].F != nil {
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xlsx.SheetData.Row[xAxis].C[yAxis].F.Content = formula
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} else {
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f := xlsxF{
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Content: formula,
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}
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xlsx.SheetData.Row[xAxis].C[yAxis].F = &f
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}
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}
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// SetCellHyperLink provides function to set cell hyperlink by given sheet index
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// and link URL address. Only support external link currently.
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func (f *File) SetCellHyperLink(sheet, axis, link string) {
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xlsx := f.workSheetReader(sheet)
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axis = strings.ToUpper(axis)
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if xlsx.MergeCells != nil {
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for i := 0; i < len(xlsx.MergeCells.Cells); i++ {
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if checkCellInArea(axis, xlsx.MergeCells.Cells[i].Ref) {
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axis = strings.Split(xlsx.MergeCells.Cells[i].Ref, ":")[0]
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}
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}
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}
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rID := f.addSheetRelationships(sheet, SourceRelationshipHyperLink, link, "External")
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hyperlink := xlsxHyperlink{
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Ref: axis,
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RID: "rId" + strconv.Itoa(rID),
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}
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if xlsx.Hyperlinks != nil {
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xlsx.Hyperlinks.Hyperlink = append(xlsx.Hyperlinks.Hyperlink, hyperlink)
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} else {
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hyperlinks := xlsxHyperlinks{}
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hyperlinks.Hyperlink = append(hyperlinks.Hyperlink, hyperlink)
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xlsx.Hyperlinks = &hyperlinks
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}
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}
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// MergeCell provides function to merge cells by given coordinate area and sheet
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// name. For example create a merged cell of D3:E9 on Sheet1:
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//
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// xlsx.MergeCell("sheet1", "D3", "E9")
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//
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// If you create a merged cell that overlaps with another existing merged cell,
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// those merged cells that already exist will be removed.
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func (f *File) MergeCell(sheet, hcell, vcell string) {
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if hcell == vcell {
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return
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}
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hcell = strings.ToUpper(hcell)
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vcell = strings.ToUpper(vcell)
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// Coordinate conversion, convert C1:B3 to 2,0,1,2.
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hcol := string(strings.Map(letterOnlyMapF, hcell))
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hrow, _ := strconv.Atoi(strings.Map(intOnlyMapF, hcell))
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hyAxis := hrow - 1
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hxAxis := titleToNumber(hcol)
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vcol := string(strings.Map(letterOnlyMapF, vcell))
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vrow, _ := strconv.Atoi(strings.Map(intOnlyMapF, vcell))
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vyAxis := vrow - 1
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vxAxis := titleToNumber(vcol)
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if vxAxis < hxAxis {
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hcell, vcell = vcell, hcell
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vxAxis, hxAxis = hxAxis, vxAxis
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}
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if vyAxis < hyAxis {
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hcell, vcell = vcell, hcell
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vyAxis, hyAxis = hyAxis, vyAxis
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}
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xlsx := f.workSheetReader(sheet)
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if xlsx.MergeCells != nil {
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mergeCell := xlsxMergeCell{}
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// Correct the coordinate area, such correct C1:B3 to B1:C3.
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mergeCell.Ref = toAlphaString(hxAxis+1) + strconv.Itoa(hyAxis+1) + ":" + toAlphaString(vxAxis+1) + strconv.Itoa(vyAxis+1)
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// Delete the merged cells of the overlapping area.
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for i := 0; i < len(xlsx.MergeCells.Cells); i++ {
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if checkCellInArea(hcell, xlsx.MergeCells.Cells[i].Ref) || checkCellInArea(strings.Split(xlsx.MergeCells.Cells[i].Ref, ":")[0], mergeCell.Ref) {
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xlsx.MergeCells.Cells = append(xlsx.MergeCells.Cells[:i], xlsx.MergeCells.Cells[i+1:]...)
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} else if checkCellInArea(vcell, xlsx.MergeCells.Cells[i].Ref) || checkCellInArea(strings.Split(xlsx.MergeCells.Cells[i].Ref, ":")[1], mergeCell.Ref) {
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xlsx.MergeCells.Cells = append(xlsx.MergeCells.Cells[:i], xlsx.MergeCells.Cells[i+1:]...)
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}
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}
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xlsx.MergeCells.Cells = append(xlsx.MergeCells.Cells, &mergeCell)
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} else {
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mergeCell := xlsxMergeCell{}
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// Correct the coordinate area, such correct C1:B3 to B1:C3.
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mergeCell.Ref = toAlphaString(hxAxis+1) + strconv.Itoa(hyAxis+1) + ":" + toAlphaString(vxAxis+1) + strconv.Itoa(vyAxis+1)
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mergeCells := xlsxMergeCells{}
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mergeCells.Cells = append(mergeCells.Cells, &mergeCell)
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xlsx.MergeCells = &mergeCells
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}
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}
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// checkCellInArea provides function to determine if a given coordinate is
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// within an area.
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func checkCellInArea(cell, area string) bool {
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result := false
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cell = strings.ToUpper(cell)
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col := string(strings.Map(letterOnlyMapF, cell))
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row, _ := strconv.Atoi(strings.Map(intOnlyMapF, cell))
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xAxis := row - 1
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yAxis := titleToNumber(col)
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ref := strings.Split(area, ":")
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hCol := string(strings.Map(letterOnlyMapF, ref[0]))
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hRow, _ := strconv.Atoi(strings.Map(intOnlyMapF, ref[0]))
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hyAxis := hRow - 1
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hxAxis := titleToNumber(hCol)
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vCol := string(strings.Map(letterOnlyMapF, ref[1]))
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vRow, _ := strconv.Atoi(strings.Map(intOnlyMapF, ref[1]))
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vyAxis := vRow - 1
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vxAxis := titleToNumber(vCol)
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if hxAxis <= yAxis && yAxis <= vxAxis && hyAxis <= xAxis && xAxis <= vyAxis {
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result = true
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}
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return result
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}
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