This closes #1862, closes #1904 and closes #1948 (#1742)

- Support set the data point color for doughnut, pie and 3D pie chart
- Add new ChartDataPoint data type
- Add new field DataPoint in the ChartSeries data type
- Automating dependabot tasks with GitHub Actions
- Upgrade GitHub Action tool chains version

.github/dependabot.yml

@@ -1,7 +1,7 @@
 version: 2
 updates:
-- package-ecosystem: github-actions
-  directory: /
-  schedule:
-    interval: monthly
-    
+
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"

.github/workflows/codeql-analysis.yml

@@ -20,16 +20,16 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
-      uses: github/codeql-action/init@v3
+      uses: github/codeql-action/init@v4
       with:
         languages: ${{ matrix.language }}
 
     - name: Autobuild
-      uses: github/codeql-action/autobuild@v3
+      uses: github/codeql-action/autobuild@v4
 
     - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v3
+      uses: github/codeql-action/analyze@v4

.github/workflows/go.yml

@@ -20,7 +20,7 @@ jobs:
         cache: false
 
     - name: Checkout code
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: Get dependencies
       run: |

chart.go

@@ -791,6 +791,7 @@ func (opts *Chart) parseTitle() {
 //	Marker
 //	DataLabel
 //	DataLabelPosition
+//	DataPoint
 //
 // Name: Set the name for the series. The name is displayed in the chart legend
 // and in the formula bar. The 'Name' property is optional and if it isn't
@@ -840,6 +841,9 @@ func (opts *Chart) parseTitle() {
 //
 // DataLabelPosition: This sets the position of the chart series data label.
 //
+// DataPoint: This sets the format for individual data points in a doughnut, pie
+// or 3D pie chart series. The 'DataPoint' property is optional.
+//
 // Set properties of the chart legend. The options that can be set are:
 //
 //	Position

chart_test.go

@@ -189,7 +189,13 @@ func TestAddChart(t *testing.T) {
 		{Name: "Sheet1!$A$37", Categories: "Sheet1!$B$29:$D$29", Values: "Sheet1!$B$37:$D$37", Line: ChartLine{Dash: ChartDashDash, Width: 0.25}},
 	}
 	series3 := []ChartSeries{{Name: "Sheet1!$A$30", Categories: "Sheet1!$A$30:$D$37", Values: "Sheet1!$B$30:$B$37"}}
-	series4 := []ChartSeries{
+	series4 := []ChartSeries{{Name: "Sheet1!$A$30", Categories: "Sheet1!$A$30:$D$37", Values: "Sheet1!$B$30:$B$37", DataPoint: []ChartDataPoint{
+		{Index: 0, Fill: Fill{Type: "pattern", Color: []string{"003F5C"}, Pattern: 1}},
+		{Index: 1, Fill: Fill{Type: "pattern", Color: []string{"58508D"}, Pattern: 1}},
+		{Index: 2, Fill: Fill{Type: "pattern", Color: []string{"BC5090"}, Pattern: 1}},
+		{Index: 3, Fill: Fill{Type: "pattern", Color: []string{"FF6361"}, Pattern: 1}},
+	}}}
+	series5 := []ChartSeries{
 		{Name: "Sheet1!$A$30", Categories: "Sheet1!$B$29:$D$29", Values: "Sheet1!$B$30:$D$30", Sizes: "Sheet1!$B$30:$D$30", DataLabelPosition: ChartDataLabelsPositionAbove},
 		{Name: "Sheet1!$A$31", Categories: "Sheet1!$B$29:$D$29", Values: "Sheet1!$B$31:$D$31", Sizes: "Sheet1!$B$31:$D$31", DataLabelPosition: ChartDataLabelsPositionLeft},
 		{Name: "Sheet1!$A$32", Categories: "Sheet1!$B$29:$D$29", Values: "Sheet1!$B$32:$D$32", Sizes: "Sheet1!$B$32:$D$32", DataLabelPosition: ChartDataLabelsPositionBestFit},
@@ -248,7 +254,7 @@ func TestAddChart(t *testing.T) {
 		{sheetName: "Sheet2", cell: "P16", opts: &Chart{Type: Doughnut, Series: series3, Format: format, Legend: ChartLegend{Position: "right", ShowLegendKey: false}, Title: []RichTextRun{{Text: "Doughnut Chart"}}, PlotArea: ChartPlotArea{ShowBubbleSize: false, ShowCatName: false, ShowLeaderLines: false, ShowPercent: true, ShowSerName: false, ShowVal: false}, ShowBlanksAs: "zero", HoleSize: 30}},
 		{sheetName: "Sheet2", cell: "X16", opts: &Chart{Type: Line, Series: series2, Format: format, Legend: ChartLegend{Position: "top", ShowLegendKey: false}, Title: []RichTextRun{{Text: "Line Chart"}}, PlotArea: plotArea, ShowBlanksAs: "zero", XAxis: ChartAxis{MajorGridLines: true, MinorGridLines: true, TickLabelSkip: 1, TickLabelPosition: ChartTickLabelLow}, YAxis: ChartAxis{MajorGridLines: true, MinorGridLines: true, MajorUnit: 1}}},
 		{sheetName: "Sheet2", cell: "P32", opts: &Chart{Type: Pie3D, Series: series3, Format: format, Legend: ChartLegend{Position: "bottom", ShowLegendKey: false}, Title: []RichTextRun{{Text: "3D Column Chart"}}, PlotArea: plotArea, ShowBlanksAs: "zero"}},
-		{sheetName: "Sheet2", cell: "X32", opts: &Chart{Type: Pie, Series: series3, Format: format, Legend: ChartLegend{Position: "bottom", ShowLegendKey: false}, Title: []RichTextRun{{Text: "Pie Chart"}}, PlotArea: ChartPlotArea{ShowBubbleSize: true, ShowCatName: false, ShowLeaderLines: false, ShowPercent: true, ShowSerName: false, ShowVal: false, NumFmt: ChartNumFmt{CustomNumFmt: "0.00%;0;;"}}, ShowBlanksAs: "gap"}},
+		{sheetName: "Sheet2", cell: "X32", opts: &Chart{Type: Pie, Series: series4, Format: format, Legend: ChartLegend{Position: "bottom", ShowLegendKey: false}, Title: []RichTextRun{{Text: "Pie Chart"}}, PlotArea: ChartPlotArea{ShowBubbleSize: true, ShowCatName: false, ShowLeaderLines: false, ShowPercent: true, ShowSerName: false, ShowVal: false, NumFmt: ChartNumFmt{CustomNumFmt: "0.00%;0;;"}}, ShowBlanksAs: "gap"}},
 		// bar series chart
 		{sheetName: "Sheet2", cell: "P48", opts: &Chart{Type: Bar, Series: series, Format: format, Legend: legend, Title: []RichTextRun{{Text: "2D Clustered Bar Chart"}}, PlotArea: plotArea, ShowBlanksAs: "zero"}},
 		{sheetName: "Sheet2", cell: "X48", opts: &Chart{Type: BarStacked, Series: series, Format: format, Legend: legend, Title: []RichTextRun{{Text: "2D Stacked Bar Chart"}}, PlotArea: plotArea, ShowBlanksAs: "zero"}},
@@ -280,8 +286,8 @@ func TestAddChart(t *testing.T) {
 		{sheetName: "Sheet2", cell: "AV32", opts: &Chart{Type: Contour, Series: series, Format: format, Legend: legend, Title: []RichTextRun{{Text: "Contour Chart"}}, PlotArea: plotArea, ShowBlanksAs: "zero"}},
 		{sheetName: "Sheet2", cell: "BD1", opts: &Chart{Type: WireframeContour, Series: series, Format: format, Legend: legend, Title: []RichTextRun{{Text: "Wireframe Contour Chart"}}, PlotArea: plotArea, ShowBlanksAs: "zero"}},
 		// bubble chart
-		{sheetName: "Sheet2", cell: "BD16", opts: &Chart{Type: Bubble, Series: series4, Format: format, Legend: legend, Title: []RichTextRun{{Text: "Bubble Chart"}}, PlotArea: plotArea, ShowBlanksAs: "zero", BubbleSize: 75}},
-		{sheetName: "Sheet2", cell: "BD32", opts: &Chart{Type: Bubble3D, Series: series4, Format: format, Legend: legend, Title: []RichTextRun{{Text: "Bubble 3D Chart"}}, PlotArea: plotArea, ShowBlanksAs: "zero", XAxis: ChartAxis{MajorGridLines: true}, YAxis: ChartAxis{MajorGridLines: true}}},
+		{sheetName: "Sheet2", cell: "BD16", opts: &Chart{Type: Bubble, Series: series5, Format: format, Legend: legend, Title: []RichTextRun{{Text: "Bubble Chart"}}, PlotArea: plotArea, ShowBlanksAs: "zero", BubbleSize: 75}},
+		{sheetName: "Sheet2", cell: "BD32", opts: &Chart{Type: Bubble3D, Series: series5, Format: format, Legend: legend, Title: []RichTextRun{{Text: "Bubble 3D Chart"}}, PlotArea: plotArea, ShowBlanksAs: "zero", XAxis: ChartAxis{MajorGridLines: true}, YAxis: ChartAxis{MajorGridLines: true}}},
 		// pie of pie chart
 		{sheetName: "Sheet2", cell: "BD48", opts: &Chart{Type: PieOfPie, Series: series3, Format: format, Legend: legend, Title: []RichTextRun{{Text: "Pie of Pie Chart"}}, PlotArea: plotArea, ShowBlanksAs: "zero", XAxis: ChartAxis{MajorGridLines: true}, YAxis: ChartAxis{MajorGridLines: true}}},
 		// bar of pie chart

drawing.go

@@ -895,7 +895,17 @@ func (f *File) drawChartSeriesDPt(i int, opts *Chart) []*cDPt {
 			},
 		},
 	}}
-	chartSeriesDPt := map[ChartType][]*cDPt{Pie: dpt, Pie3D: dpt}
+	if len(opts.Series[i].DataPoint) > 0 {
+		dpt = []*cDPt{}
+	}
+	for j := 0; j < len(opts.Series[i].DataPoint); j++ {
+		spPr := &cSpPr{}
+		dpt = append(dpt, &cDPt{
+			IDx:  &attrValInt{Val: intPtr(opts.Series[i].DataPoint[j].Index)},
+			SpPr: f.drawShapeFill(opts.Series[i].DataPoint[j].Fill, spPr),
+		})
+	}
+	chartSeriesDPt := map[ChartType][]*cDPt{Doughnut: dpt, Pie: dpt, Pie3D: dpt}
 	return chartSeriesDPt[opts.Type]
 }
 

xmlChart.go

@@ -703,6 +703,13 @@ type ChartDataLabel struct {
 	Fill      Fill
 }
 
+// ChartDataPoint directly maps the format settings of the chart data point for
+// doughnut, pie and 3D pie charts.
+type ChartDataPoint struct {
+	Index int
+	Fill  Fill
+}
+
 // ChartSeries directly maps the format settings of the chart series.
 type ChartSeries struct {
 	Name              string
@@ -715,4 +722,5 @@ type ChartSeries struct {
 	Marker            ChartMarker
 	DataLabel         ChartDataLabel
 	DataLabelPosition ChartDataLabelPositionType
+	DataPoint         []ChartDataPoint
 }