如何在鼠标悬停时定位自定义工具提示,相当于使用chart.renderer.text对图表属性中的事件加载进行默认工具提示

问题描述 投票:0回答:1

鼠标悬停标题时,我创建了一个自定义工具提示(白色背景,黑色文本)。

我使用chart.renderer.text和定位图表中心在事件上创建一个加载函数。但是我希望我的工具提示在“鼠标悬停”标题时跟随鼠标,同样在图表中的点上使用高图工具提示。

由于highcharts title是span元素而不是数据点,因此我无法使用tooltip默认函数。如何将工具提示定位到标题范围元素?请看小提琴:

https://jsfiddle.net/marialaustsen/w4k87jyo/

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    [63132497000, -0.183436095],
    [94754897000, 0.055941514],
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    [157826897000, -0.200998486],
    [189362897000, -0.469871227],
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    [252521297000, -0.14627142],
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    [378751697000, -0.073050476],
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      style: {
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      plotBorderColor: '#1b2a47'
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      style: {
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        fontSize: '20px'
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  // Apply the theme
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        renderTo: 'container',
        events: {
          load: function() {
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            if (grossLabel) {
              grossLabel.destroy();
            }

            var newX = chart.plotWidth / 2,
              newY = chart.plotHeight / 8;

            var grossLabel = chart.renderer.text('<div id="flash"></div>', newX, newY, true)
              .attr({
                zIndex: 10
              }).add();
          }
        }
      },

      title: {
        useHTML: true,
        text: 'Global mean surface Temperature',
        events: {
          mouseover: function() {
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            $('#flash').html('Global mean Surface temperature anomalies with respect to 1970-2000')
          },
          mouseout: function() {
            hideFlash();
          },
        }
      },

      subtitle: {
        text: 'CRPSS = 0.3 ACC= 0.6'
      },

      xAxis: {
        type: 'datetime'
      },

      yAxis: {
        title: {
          text: 'Temperature'
        }
      },
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              point: {
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              },
              shape: 'rect',
              text: '0.6'


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                    verticalAlign: 'top',

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      /*
          tooltip: {
              crosshairs: true,
              shared: true,
              valueSuffix: '°C'
          },
      */
      tooltip: {
        xDateFormat: '%Y-%m-%d',
        headerFormat: '<span style="font-size: 16px">{point.key}</span><br/>',
        pointFormat: '<span style="font-size: 14px; color:{series.color}">{series.name}: <span style="font-size: 14px">{point.y}</span><br/>',
        crosshairs: true,
        shared: true,
        useHTML: true,
        valueSuffix: ' C',
      },

      legend: {
        enabled: true
      },

      series: [{
        name: 'Observations',
        data: observations,
        zIndex: 0,
        lineWidth: 0,
        marker: {
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        }
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        type: 'arearange',
        lineWidth: 0,
        fillOpacity: 0.5,
        zIndex: 1,
        marker: {
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        },
        tooltip: {
          pointFormat: '<span style="font-size: 14px; color:{series.color}">{series.name}: <span style="font-size: 14px">{point.low} - {point.high}</span><br/>',
          valueSuffix: ' C',
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        name: 'HINDCAST (33%) - SPREAD (66%)',
        data: midranges,
        type: 'arearange',
        lineWidth: 0,
        fillOpacity: 0.5,
        zIndex: 2,
        marker: {
          enabled: false
        },
        tooltip: {
          pointFormat: '<span style="font-size: 14px; color:{series.color}">{series.name}: <span style="font-size: 14px">{point.low} - {point.high}</span><br/>',
          valueSuffix: ' C',
        },
      }, {
        name: 'BOXPLOT',
        type: 'boxplot',
        fillColor: '#6E8CD0',
        lineWidth: 2,
        medianWidth: 0,
        stemColor: '#6E8CD0',
        stemDashStyle: 'solid',
        stemWidth: 2,
        whiskerColor: '#6E8CD0',
        whiskerLength: '75%',
        whiskerWidth: 2,
        zIndex: 3,
        data: [
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        ],
        tooltip: {
          pointFormatter: function() {
            const x = this.x;
            const currentData = this.series.data.find(data => data.x === x);
            const boxplotValues = currentData ? currentData.options : {};
            return `<span style="font-size: 14px; color: #aaeeee"> 
                            Max: ${boxplotValues.high}<br>
                      Q3: ${boxplotValues.q3}<br>
                      Median: ${boxplotValues.median}<br>
                      Q1: ${boxplotValues.q1}<br>
                      Low: ${boxplotValues.low}<br></span>`;
          }
        }

      }]
    }
    /*, function (chart) { // on complete
    var point = chart.series[0].points[0];
    chart.renderer.label('CRPSS = 0.3 ACC = 0.6', 5, 5, 'callout', point.plotX + chart.plotLeft, point.plotY + chart.plotTop)
        .css({
            color: '#000000',
            fontWeight: 'bold',
            fontSize: '1.4em'

        })
        .attr({
            fill: 'rgba(255, 255, 255, 0.9)',
            padding: 8,
            r: 5,
            zIndex: 6
        })
        .add();

}*/
  );
});

````
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