AmCharts，捕获周期选择器的点击事件 [英] AmCharts, capturing click event for period selector

问题描述

我正在使用 AmCharts 3，我想知道有没有办法捕获单击周期选择器按钮的事件?

I'm using AmCharts 3 and I was wondering is there a way to capture an event for clicking the buttons of the period selector?

The Docs 状态我可以向类型的周期选择器添加一个监听器 '改变了'，但该事件几乎随时都在运行

The Docs state I can add a listener to the period selector of the type 'changed' but then the event runs almost anytime

'zoomed' 有一个监听器，但每次我缩放图表时它都会运行，无论我是否点击了周期选择器

There is a listener for 'zoomed', but it runs every time I zoom my chart regardless if I clicked the period selector

这是我的尝试:

chart = AmCharts.makeChart(scope.vm.chartId, chartSettings);
    AmCharts.addInitHandler(function () {
    // add events to item
    _.each(chart.panels, function (item) {
    //item.addListener("zoomed", onZoomed);
    item.addListener("changed", function(e) {
    console.debug("changed " + e.periodString);
   });
 });
});

推荐答案

由于您是通过配置对象启动的，我建议您使用最新版本的 AmCharts 中支持的新 'listeners' 属性将事件处理程序添加到图表设置对象上的 periodSelector 对象.它应该可以工作.

Since you are initiating through a configuration object, I suggest you use the new 'listeners' property supported in the latest version of AmCharts to add an event handler to the periodSelector object on your chartSettings object. It should work.

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