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add tooltip for axis label #20378

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add tooltip for axis label #20378

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11 changes: 11 additions & 0 deletions src/component/axis/AxisBuilder.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,7 @@ import { ZRTextVerticalAlign, ZRTextAlign, ECElement, ColorString } from '../../
import { AxisBaseOption } from '../../coord/axisCommonTypes';
import Element from 'zrender/src/Element';
import { PathStyleProps } from 'zrender/src/graphic/Path';
import type TSpan from 'zrender/src/graphic/TSpan';
import OrdinalScale from '../../scale/Ordinal';
import { prepareLayoutList, hideOverlap } from '../../label/labelLayoutHelper';

Expand Down Expand Up @@ -836,6 +837,16 @@ function buildAxisLabel(
});
textEl.anid = 'label_' + tickValue;

graphic.setTooltipConfig({
el: textEl,
componentModel: axisModel,
itemName: formattedLabel,
formatterParamsExtra: {
isEllipsised: () => formattedLabel !== (textEl.childrenRef()[0] as TSpan).style.text,
tickIndex: index
}
});


// Pack data for mouse event
if (triggerEvent) {
Expand Down
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