diff options
Diffstat (limited to 'chart.go')
| -rw-r--r-- | chart.go | 38 |
1 files changed, 36 insertions, 2 deletions
@@ -351,7 +351,13 @@ func parseFormatChartSet(formatSet string) *formatChart { // maximum: Specifies that the fixed maximum, 0 is auto. The maximum property is optional. The default value is auto. // minimum: Specifies that the fixed minimum, 0 is auto. The minimum property is optional. The default value is auto. // -func (f *File) AddChart(sheet, cell, format string) { +func (f *File) AddChart(sheet, cell, format string, opts ...chartOpts) { + + var defOpts = defaultChartOptions + for _, optF := range opts { + optF(&defOpts) + } + formatSet := parseFormatChartSet(format) // Read sheet data. xlsx := f.workSheetReader(sheet) @@ -361,12 +367,40 @@ func (f *File) AddChart(sheet, cell, format string) { drawingXML := "xl/drawings/drawing" + strconv.Itoa(drawingID) + ".xml" drawingID, drawingXML = f.prepareDrawing(xlsx, drawingID, sheet, drawingXML) drawingRID := f.addDrawingRelationships(drawingID, SourceRelationshipChart, "../charts/chart"+strconv.Itoa(chartID)+".xml", "") - f.addDrawingChart(sheet, drawingXML, cell, 480, 290, drawingRID, &formatSet.Format) + f.addDrawingChart(sheet, drawingXML, cell, defOpts.width, defOpts.height, drawingRID, &formatSet.Format) f.addChart(formatSet) f.addContentTypePart(chartID, "chart") f.addContentTypePart(drawingID, "drawings") } +type chartOptions struct { + width int + height int +} + +var defaultChartOptions = chartOptions{ + width: 480, + height: 290, +} + +type chartOpts func(opts *chartOptions) + +// ChartWidth sets the chart width. +func ChartWidth(width int) chartOpts { + return func(opts *chartOptions) { + opts.width = width + return + } +} + +// ChartHeight sets the chart height. +func ChartHeight(height int) chartOpts { + return func(opts *chartOptions) { + opts.height = height + return + } +} + // countCharts provides function to get chart files count storage in the // folder xl/charts. func (f *File) countCharts() int { |