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Ag 16382/sunburst treemap label item stylers #5780

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Merged
alantreadway merged 2 commits into from
Dec 5, 2025
Merged

Ag 16382/sunburst treemap label item stylers #5780

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5c1a3e2
AG-16382 - Fix treemap and sunburst label itemStylers
manapeirov Dec 5, 2025
2e6b7c1
AG-16382 - Add snapshot tests
manapeirov Dec 5, 2025
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5 changes: 3 additions & 2 deletions packages/ag-charts-community/src/chart/labelUtil.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -49,7 +49,8 @@ export function getLabelStyles<TParams, TDatumIndex extends DatumIndexType = Dat
params: TParams,
label: Label<TParams>,
isHighlight: boolean,
activeHighlight: HighlightNodeDatum<TDatumIndex> | undefined
activeHighlight: HighlightNodeDatum<TDatumIndex> | undefined,
labelPath: string[] = ['series', `${series.declarationOrder}`, 'label']
): AgChartLabelStyleOptions & { fontSize: number } {
if (series.visible && label.itemStyler) {
const highlightState = series.getHighlightStateString(
Expand Down Expand Up @@ -83,7 +84,7 @@ export function getLabelStyles<TParams, TDatumIndex extends DatumIndexType = Dat
};
const stylerResult =
series.ctx.optionsGraphService.resolvePartial(
['series', `${series.declarationOrder}`, 'label'],
labelPath,
series.cachedCallWithContext(label.itemStyler, { ...params, ...styleParams }),
{ pick: false }
) ?? {};
Expand Down
Binary file added ...unburst-series-label-item-styler-should-style-labels-via-item-styler-1-snap.png
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34 changes: 34 additions & 0 deletions packages/ag-charts-enterprise/src/series/sunburst/sunburstSeries.test.ts
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Expand Up @@ -110,6 +110,40 @@ describe('SunburstSeries', () => {
}
});

describe('Label itemStyler', () => {
it('should style labels via itemStyler', async () => {
const options: AgChartOptions = {
data: [
{
name: 'Solar',
children: [
{ name: 'Earth', size: 60 },
{ name: 'Mars', size: 20 },
],
},
{
name: 'Gas Giants',
children: [{ name: 'Jupiter', size: 80 }],
},
],
series: [
{
type: 'sunburst',
labelKey: 'name',
sizeKey: 'size',
label: {
itemStyler: () => ({ color: 'lime' }),
},
},
],
};
prepareEnterpriseTestOptions(options);

chart = AgCharts.create(options);
await compare();
});
});

const testPointerEvents = (testParams: {
seriesOptions: any;
chartOptions?: any;
Expand Down
2 changes: 1 addition & 1 deletion packages/ag-charts-enterprise/src/series/sunburst/sunburstSeries.ts
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Expand Up @@ -533,8 +533,8 @@ export class SunburstSeries extends _ModuleSupport.HierarchySeries<
text.fontStyle = label.fontStyle;
text.fontFamily = label.fontFamily;
text.fontWeight = label.fontWeight;
text.fill = label.color;
text.fillOpacity = highlightOpacity ?? 1;
text.fill = style.color;
text.setBoxing(style);

switch (labelPlacement) {
Expand Down
Binary file added ...treemap-series-label-item-styler-should-style-labels-via-item-styler-1-snap.png
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40 changes: 40 additions & 0 deletions packages/ag-charts-enterprise/src/series/treemap/treemapSeries.test.ts
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Expand Up @@ -122,6 +122,46 @@ describe('TreemapSeries', () => {
}
});

describe('Label itemStyler', () => {
it('should style labels via itemStyler', async () => {
const options: AgChartOptions = {
data: [
{
name: 'Group',
children: [
{ name: 'Alpha', size: 6 },
{ name: 'Beta', size: 4 },
],
},
],
series: [
{
type: 'treemap',
labelKey: 'name',
sizeKey: 'size',
tile: {
label: {
enabled: true,
itemStyler: () => ({ color: 'lime' }),
},
},
group: {
label: {
enabled: true,
itemStyler: () => ({ color: 'lime' }),
},
},
},
],
animation: { enabled: false },
};
prepareEnterpriseTestOptions(options);

chart = AgCharts.create(options);
await compare();
});
});

const testPointerEvents = (testParams: {
seriesOptions: any;
chartOptions?: any;
Expand Down
16 changes: 12 additions & 4 deletions packages/ag-charts-enterprise/src/series/treemap/treemapSeries.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -691,7 +691,15 @@ export class TreemapSeries extends _ModuleSupport.HierarchySeries<
text.visible = false;
return;
}
const labelProps = tag === TextNodeTag.Primary ? tile.label : tile.secondaryLabel;
let labelProps;
let labelPath: string[];
if (tag === TextNodeTag.Primary) {
labelProps = isLeaf ? tile.label : group.label;
labelPath = ['series', `${this.declarationOrder}`, isLeaf ? 'tile' : 'group', 'label'];
} else {
labelProps = tile.secondaryLabel;
labelPath = ['series', `${this.declarationOrder}`, 'tile', 'secondaryLabel'];
}

const { opacity: highlightOpacity } = this.getItemStyle(node, isLeaf, highlighted) ?? {};

Expand All @@ -706,20 +714,20 @@ export class TreemapSeries extends _ModuleSupport.HierarchySeries<
sizeName: this.properties.sizeName ?? this.properties.sizeKey,
};
const activeHighlight = this.ctx.highlightManager?.getActiveHighlight();
const style = getLabelStyles(this, node, params, labelProps, highlighted, activeHighlight);
const style = getLabelStyles(this, node, params, labelProps, highlighted, activeHighlight, labelPath);
text.text = label.text;
text.fontSize = label.fontSize;
text.lineHeight = label.lineHeight;
text.fontStyle = label.fontStyle;
text.fontFamily = label.fontFamily;
text.fontWeight = label.fontWeight;
text.fill = label.color;
text.fillOpacity = highlightOpacity ?? 1;
text.fill = style.color;
text.setBoxing(style);
text.textAlign = label.textAlign;
text.textBaseline = label.verticalAlign;
text.x = label.x;
text.y = label.y;
text.setBoxing(style);
text.visible = true;

text.zIndex = 1;
Expand Down
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