donutchart.js

donutchart.js

var myDataValues = [
            {day:"Monday", taxes:2000}, 
            {day:"Tuesday", taxes:50}, 
            {day:"Wednesday", taxes:4000}, 
            {day:"Thursday", taxes:200}, 
            {day:"Friday", taxes:2000}
    ],
    getDonutChart = function(cfg)
    {
        var pieGraph = new Y.Chart(cfg),
            graphic = pieGraph.get("graph").get("graphic"),
            w = graphic.get("width"),
            h = graphic.get("height"),
            hole,
            holeRadius = w/4;
        hole = graphic.addShape({
            type: "circle",
            radius: holeRadius,
            x: holeRadius,
            y: holeRadius,
            fill: {
                color: "#fff"
            },
            stroke:{
               weight: 0
            }
        });
        graphic._redraw();
        return pieGraph;
    },
    myDonutChart = getDonutChart({
        type: "pie",
        render: "#mychart",
        categoryKey:"day", 
        seriesKeys:["taxes"], 
        dataProvider: myDataValues
    });