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向下钻取时,我需要能够更新图表标题和大小。

向下钻取函数运行,但以下代码根本不执行任何操作。

 // This gets called correctly, alert gets hit but does not change the title
 drilldown: function() {
                    alert('drilldown');

                    $scope.highchartsNG.title.text = 'New Title Test (drilldown)';
                }

    // This gets called at start and changes the title
    func: function (chart) {
        //setup some logic for the chart
        //alert('func');
        $scope.highchartsNG.title.text = 'New Title Test (func)';
    }

jsfiddle 位于以下http://jsfiddle.net/vgmhgs0e/2/。实际的向下钻取在此示例中不起作用,但我可以使用它,我认为这是因为它没有来自该线程的代码:Highcharts-ng with Drilldown

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