diff options
Diffstat (limited to 'chart.go')
| -rw-r--r-- | chart.go | 68 |
1 files changed, 68 insertions, 0 deletions
@@ -11,7 +11,9 @@ package excelize import ( "encoding/json" + "encoding/xml" "errors" + "fmt" "strconv" "strings" ) @@ -768,6 +770,72 @@ func (f *File) AddChart(sheet, cell, format string, combo ...string) error { return err } +// AddChartSheet provides the method to create a chartsheet by given chart +// format set (such as offset, scale, aspect ratio setting and print settings) +// and properties set. In Excel a chartsheet is a worksheet that only contains +// a chart. +func (f *File) AddChartSheet(sheet, format string, combo ...string) error { + // Check if the worksheet already exists + if f.GetSheetIndex(sheet) != 0 { + return errors.New("already existing name worksheet") + } + formatSet, err := parseFormatChartSet(format) + if err != nil { + return err + } + comboCharts := []*formatChart{} + for _, comboFormat := range combo { + comboChart, err := parseFormatChartSet(comboFormat) + if err != nil { + return err + } + if _, ok := chartValAxNumFmtFormatCode[comboChart.Type]; !ok { + return errors.New("unsupported chart type " + comboChart.Type) + } + comboCharts = append(comboCharts, comboChart) + } + if _, ok := chartValAxNumFmtFormatCode[formatSet.Type]; !ok { + return errors.New("unsupported chart type " + formatSet.Type) + } + cs := xlsxChartsheet{ + SheetViews: []*xlsxChartsheetViews{{ + SheetView: []*xlsxChartsheetView{{ZoomScaleAttr: 100, ZoomToFitAttr: true}}}, + }, + } + wb := f.workbookReader() + sheetID := 0 + for _, v := range wb.Sheets.Sheet { + if v.SheetID > sheetID { + sheetID = v.SheetID + } + } + sheetID++ + path := "xl/chartsheets/sheet" + strconv.Itoa(sheetID) + ".xml" + f.sheetMap[trimSheetName(sheet)] = path + f.Sheet[path] = nil + drawingID := f.countDrawings() + 1 + chartID := f.countCharts() + 1 + drawingXML := "xl/drawings/drawing" + strconv.Itoa(drawingID) + ".xml" + drawingID, drawingXML = f.prepareChartSheetDrawing(&cs, drawingID, sheet, drawingXML) + drawingRels := "xl/drawings/_rels/drawing" + strconv.Itoa(drawingID) + ".xml.rels" + drawingRID := f.addRels(drawingRels, SourceRelationshipChart, "../charts/chart"+strconv.Itoa(chartID)+".xml", "") + err = f.addSheetDrawingChart(sheet, drawingXML, formatSet.Dimension.Width, formatSet.Dimension.Height, drawingRID, &formatSet.Format) + if err != nil { + return err + } + f.addChart(formatSet, comboCharts) + f.addContentTypePart(chartID, "chart") + f.addContentTypePart(sheetID, "chartsheet") + f.addContentTypePart(drawingID, "drawings") + // Update xl/_rels/workbook.xml.rels + rID := f.addRels("xl/_rels/workbook.xml.rels", SourceRelationshipChartsheet, fmt.Sprintf("chartsheets/sheet%d.xml", sheetID), "") + // Update xl/workbook.xml + f.setWorkbook(sheet, sheetID, rID) + v, _ := xml.Marshal(cs) + f.saveFileList(path, replaceRelationshipsBytes(replaceWorkSheetsRelationshipsNameSpaceBytes(v))) + return err +} + // DeleteChart provides a function to delete chart in XLSX by given worksheet // and cell name. func (f *File) DeleteChart(sheet, cell string) (err error) { |