piechart is a ChartWrapper object, which does not have a #getSelection
method. You need to call #getChart first:
console.log(piechart.getChart().getSelection());
On Wednesday, April 9, 2014 5:18:22 AM UTC-4, Rick van der Burg wrote:
>
> google.load("visualization", "1", {packages:["corechart", 'controls']});
> var chart, data;
> function ajax_pie_chart_call(data, limit) {
>
> var data2 = google.visualization.arrayToDataTable(data);
>
> // Define a slider control for the 'Donuts eaten' column
> var slider = new google.visualization.ControlWrapper({
> 'controlType': 'NumberRangeFilter',
> 'containerId': 'control1',
> 'options': {
> 'filterColumnLabel': data[0][1],
> 'backgroundColor':'#ccc',
> 'ui': {'labelStacking': 'vertical'}
> }
> });
>
> // Define a pie chart
> var piechart = new google.visualization.ChartWrapper({
> 'chartType': 'PieChart',
> 'containerId': 'piechart',
> 'options': {
> 'backgroundColor': {'fill':'#f1f1f1', 'strokeWidth':0,
> 'stroke':'#f1f1f1'},
> 'width': '50%',
> 'height': 500,
> 'legend': 'right',
> 'chartArea': {'left': 15, 'top': 15, 'right': 0, 'bottom': 0},
> 'pieSliceText': 'value'
> }
> });
>
> // $("#control1").show();
>
> google.visualization.events.addListener(piechart, 'select',
> eventHandler);
>
> // Create the dashboard & Draw the chart
> var chart = new
> google.visualization.Dashboard(document.getElementById('piechart_total')).bind(slider,
>
> piechart);
>
> chart.draw(data2);
>
> function eventHandler() {
> console.log(piechart.getSelection();
> }
>
>
>
> }
>
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