Expanding Highcharts Tooltip Size Automatically Based on Content Updates

I am dealing with a Highcharts graph that has tooltips showing a loading spinner upon hover. These tooltips fetch data from the server via AJAX, but when the content is updated, it overflows due to the tooltip not resizing. Below is the SCSS code snippet I am using:

.highcharts-tooltip {
    width: auto !important;
    height: auto !important;
    span {
        width: auto !important;
        height: auto !important;
    }
}

My question is, is there a way, either through settings, API functions, or CSS, to automatically resize the tooltip when the content changes or trigger a redraw? Alternatively, is there a specific CSS solution that can address this issue?

Please note that I am able to manually set the size of the tooltip by adjusting the height/width of the span element mentioned above.

javascriptcssajaxhighcharts

Answer №1

One approach is to turn off the default tooltip and implement a fully responsive HTML div (using media queries) as a tooltip.

plotOptions: {
        series: {
            point: {
                events: {
                    mouseOver: function (e) {
                        $('#tooltip').html('Point value: ' + this.y).css({
                            top: e.target.plotY - 15,
                            left: e.target.plotX
                        }).show();

                    },
                    mouseOut: function (e) {
                        $('#tooltip').hide();
                    }
                }
            }
        }
    },

For an example, check out: http://jsfiddle.net/gL7j6bzq/2/

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