Function labelLayout

src/chart/funnel/funnelLayout.ts:55–248

(data: SeriesData)

}

function labelLayout(data: SeriesData) {
    const seriesModel = data.hostModel as FunnelSeriesModel;
    const isHorizontal = isOrientHorizontal(seriesModel);
    data.each(function (idx) {
        const itemModel = data.getItemModel<FunnelDataItemOption>(idx);
        const labelModel = itemModel.getModel('label');
        let labelPosition = labelModel.get('position');

        const labelLineModel = itemModel.getModel('labelLine');

        const layout = data.getItemLayout(idx);
        const points = layout.points;

        const isLabelInside = labelPosition === 'inner'
            || labelPosition === 'inside' || labelPosition === 'center'
            || labelPosition === 'insideLeft' || labelPosition === 'insideRight';

        let textAlign;
        let textX;
        let textY;
        let linePoints;

        if (isLabelInside) {
            if (labelPosition === 'insideLeft') {
                textX = (points[0][0] + points[3][0]) / 2 + 5;
                textY = (points[0][1] + points[3][1]) / 2;
                textAlign = 'left';
            }
            else if (labelPosition === 'insideRight') {
                textX = (points[1][0] + points[2][0]) / 2 - 5;
                textY = (points[1][1] + points[2][1]) / 2;
                textAlign = 'right';
            }
            else {
                textX = (points[0][0] + points[1][0] + points[2][0] + points[3][0]) / 4;
                textY = (points[0][1] + points[1][1] + points[2][1] + points[3][1]) / 4;
                textAlign = 'center';
            }
            linePoints = [
                [textX, textY], [textX, textY]
            ];
        }
        else {
            let x1;
            let y1;
            let x2;
            let y2;
            const labelLineLen = labelLineModel.get('length');
            if (isString(labelPosition)) {
                if (!isHorizontal && indexOf(['top', 'bottom'], labelPosition) > -1) {
                    labelPosition = 'left';
                    if (__DEV__) {
                        console.warn(
                            'Position error: Funnel chart on vertical orient dose not support top and bottom.'
                        );
                    }
                }
                if (isHorizontal && indexOf(['left', 'right'], labelPosition as string) > -1) {