extjs-gpl/examples/kitchensink/classic/samples/view/charts/pie/BasicController.js

GPL licensed version of Sencha Ext JS

Ext.define('KitchenSink.view.charts.pie.BasicController', {
    extend: 'Ext.app.ViewController',
    alias: 'controller.pie-basic',

    onPreview: function () {
        if (Ext.isIE8) {
            Ext.Msg.alert('Unsupported Operation', 'This operation requires a newer version of Internet Explorer.');
            return;
        }
        var chart = this.lookupReference('chart');
        chart.preview();
    },

    onDataRender: function (v) {
        return v + '%';
    },

    onSeriesTooltipRender: function (tooltip, record, item) {
        tooltip.setHtml(record.get('os') + ': ' + record.get('data1') + '%');
    }

});