Function collectAxesInfo

src/component/axisPointer/modelHelper.ts:116–231

(result: CollectionResult, ecModel: GlobalModel, api: ExtensionAPI)

}

function collectAxesInfo(result: CollectionResult, ecModel: GlobalModel, api: ExtensionAPI) {
    const globalTooltipModel = ecModel.getComponent('tooltip');
    const globalAxisPointerModel = ecModel.getComponent('axisPointer') as AxisPointerModel;
    // links can only be set on global.
    const linksOption = globalAxisPointerModel.get('link', true) || [];
    const linkGroups: LinkGroup[] = [];

    // Collect axes info.
    each(api.getCoordinateSystems(), function (coordSys) {
        // Some coordinate system do not support axes, like geo.
        if (!coordSys.axisPointerEnabled) {
            return;
        }

        const coordSysKey = makeKey(coordSys.model);
        const axesInfoInCoordSys: CollectionResult['coordSysAxesInfo'][string] =
            result.coordSysAxesInfo[coordSysKey] = {};
        result.coordSysMap[coordSysKey] = coordSys;

        // Set tooltip (like 'cross') is a convenient way to show axisPointer
        // for user. So we enable setting tooltip on coordSys model.
        const coordSysModel = coordSys.model as ComponentModel<ComponentOption & {
            tooltip: TooltipOption  // TODO: Same with top level tooltip?
        }>;
        const baseTooltipModel = coordSysModel.getModel('tooltip', globalTooltipModel);

        each(coordSys.getAxes(), curry(saveTooltipAxisInfo, false, null));

        // If axis tooltip used, choose tooltip axis for each coordSys.
        // Notice this case: coordSys is `grid` but not `cartesian2D` here.
        if (coordSys.getTooltipAxes
            && globalTooltipModel
            // If tooltip.showContent is set as false, tooltip will not
            // show but axisPointer will show as normal.
            && baseTooltipModel.get('show')
        ) {
            // Compatible with previous logic. But series.tooltip.trigger: 'axis'
            // or series.data[n].tooltip.trigger: 'axis' are not support any more.
            const triggerAxis = baseTooltipModel.get('trigger') === 'axis';
            const cross = baseTooltipModel.get(['axisPointer', 'type']) === 'cross';
            const tooltipAxes = coordSys.getTooltipAxes(baseTooltipModel.get(['axisPointer', 'axis']));
            if (triggerAxis || cross) {
                each(tooltipAxes.baseAxes, curry(
                    saveTooltipAxisInfo, cross ? 'cross' : true, triggerAxis
                ));
            }
            if (cross) {
                each(tooltipAxes.otherAxes, curry(saveTooltipAxisInfo, 'cross', false));
            }
        }

        // fromTooltip: true | false | 'cross'
        // triggerTooltip: true | false | null
        function saveTooltipAxisInfo(
            fromTooltip: boolean | 'cross',
            triggerTooltip: boolean,
            axis: Axis
        ) {