HighCharts: Labels visible over tooltip

问题:

Labels on my chart are showing over tooltip, which doesn't look very nice. I tried to play with zIndex, but to no result. How can I make tooltips not transparent? Here's my jsFiddle: http://www.jsfiddle.net/4scfH/3/

$(function() {
  var chart;
  $(document).ready(function() {
    chart = new Highcharts.Chart({
      chart: {
        renderTo: 'graf1',
        plotBackgroundColor: null,
        plotBorderWidth: null,
        plotShadow: false
      },

      title: {
        margin: 40,
        text: 'Podíl všech potřeb'
      },
      tooltip: {
        //pointFormat: '<b>{point.y} Kč [{point.percentage}%]</b>',
        percentageDecimals: 2,
        backgroundColor: "rgba(255,255,255,1)",
        formatter: function() {
          return this.point.name + '<br />' + '<b>' + Highcharts.numberFormat(this.y).replace(",", " ") + ' Kč [' + Highcharts.numberFormat(this.percentage, 2) + '%]</b>';
        }
      },
      plotOptions: {
        pie: {
          allowPointSelect: true,
          cursor: 'pointer',
          dataLabels: {
            enabled: true,
            color: '#000000',
            connectorWidth: 2,
            useHTML: true,
            formatter: function() {
              return '<span style="color:' + this.point.color + '"><b>' + this.point.name + '</b></span>';
            }
          }
        }
      },
      series: [{
        type: 'pie',
        name: 'Potřeba',
        data: [
          ['Firefox', 45.0],
          ['IE', 26.8], {
            name: 'Chrome',
            y: 12.8,
            sliced: true,
            selected: true
          },
          ['Safari', 8.5],
          ['Opera', 6.2],
          ['Others', 0.7]
        ]
      }]
    });
  });
});

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="http://code.highcharts.com/highcharts.js"></script>
<div id="graf1" style="width: 400px; height: 250px; float:left"></div>

回答1:

You can set useHTML and define your own tooltip via css:

http://jsfiddle.net/4scfH/4/

tooltip: {
    borderWidth: 0,
    backgroundColor: "rgba(255,255,255,0)",
    borderRadius: 0,
    shadow: false,
    useHTML: true,
    percentageDecimals: 2,
    backgroundColor: "rgba(255,255,255,1)",
    formatter: function () {
        return '<div class="tooltip">' + this.point.name + '<br />' + '<b>' + Highcharts.numberFormat(this.y).replace(",", " ") + ' Kč [' + Highcharts.numberFormat(this.percentage, 2) + '%]</b></div>';
    }
},

CSS

.label {
    z-index: 1 !important;
}

.highcharts-tooltip span {
    background-color: white;
    border:1 px solid green;
    opacity: 1;
    z-index: 9999 !important;
}

.tooltip {
    padding: 5px;
}

回答2:

If you set tooltip.backgroundColor to "rgba(255,255,255,1)" you'll get tooltip with "no transparency"

You will have to remove useHTML: true in the pie settings.

Fork of your jsfiddle: http://jsfiddle.net/kairs/Z3UZ8/1/

tooltip: {
  backgroundColor: "rgba(255,255,255,1)"
}

Documentation on highchart

回答3:

I had same issue. My solution. Tooltip - useHTML = true. Tooltip - Formatter = HTML code there with one div container. here margin in negative value is important in css.

tooltip: {
    backgroundColor: "rgba(255,255,255,1)",
    useHTML: true,
    formatter: function() {
        var html = [];
        html.push('<b>Correlation to ' + this.point.p + '</b><br>');
        if (null != this.point.associatedPoints 
                && typeof this.point.associatedPoints != 'undefined' 
                && this.point.associatedPoints.length > 0) {
            $.each(this.point.associatedPoints, function(i, associatedPoint) {
                html.push('Responses: ' + associatedPoint.nFormatted);
            });
        }
        return '<div class="tooltip-body">' + html.join('') + '</div>';
    }

CSS:

.highcharts-tooltip span {
    z-index: 9999 !important;
    top:2px !important;
    left:2px !important;
}
.highcharts-tooltip span .tooltip-body{
    background-color:white;
    padding:6px; 
    z-index:9999 !important;
    margin-bottom:-14px;
    margin-right:-14px;
}

回答4:

I had the same problem. The Labels were visible over the tooltip. Removing useHTML=true for the labels worked for me.

回答5:

and if you dont want to daddle in the problems there are in useHTML, here is the way to do it in the svg:

 Highcharts.wrap(Highcharts.Chart.prototype, 'redraw', function(proceed, animation) {
  proceed.call(this, animation);
  try {
   if (this.legend.options.floating) {
    var z = this.legend.group.element, zzz = z.parentNode;
    zzz.removeChild(z);
    zzz.appendChild(z); //zindex in svg is determined by element order
   }
  } catch(e) {

  } 
 });

回答6:

I still had issues with some of the solutions around, setting z-index: 999 on .tooltip wasn't having any effect because of the various container divs. But, I've found setting this works nicely (when legend and tooltip are HTML). No need for setting other z-indexes either:

.highcharts-legend { z-index: -1; }

回答7:

For Highchart tooltips with html format

Highchart config

tooltip: {
    borderWidth: 0,
    backgroundColor: "rgba(255,255,255,0)",
    shadow: false,
    useHTML: true
    ........
},

CSS:

.highcharts-tooltip>span {
    background-color: #fff;
    border: 1px solid #172F8F;
    border-radius: 5px;
    opacity: 1;
    z-index: 9999!important;
    padding: .8em;
    left: 0!important;
    top: 0!important;
}