created pie charts with synced tooltips and common legend #13
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ddragula
approved these changes
May 8, 2023
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| H.Tooltip.prototype.hide = function (delay) { | ||
| const otherTooltips = this.chart.otherTooltips, | ||
| tooltip = this; | ||
| U.clearTimeout(tooltip.hideTimer); | ||
| delay = pick(delay, tooltip.options.hideDelay); | ||
| if (!tooltip.isHidden) { | ||
| tooltip.hideTimer = syncTimeout(function () { | ||
| otherTooltips.forEach((t) => { | ||
| t.getLabel().fadeOut(delay ? void 0 : delay); | ||
| t.isHidden = true; | ||
| }); | ||
| tooltip.getLabel().fadeOut(delay ? void 0 : delay); | ||
| tooltip.isHidden = true; | ||
| }, delay); | ||
| } | ||
| }; |
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You can also just use the point.mouseOver option event, but it's also a very nice solution.
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| chart.otherTooltips = chart.series.slice(1).map(() => new Highcharts.Tooltip( | ||
| chart, Highcharts.merge(chart.options.tooltip) | ||
| ) | ||
| ); |
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I like that you foresee the possibility of additional synchronized series.
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