echart add grab event

http://echarts.baidu.com/echarts2/doc/example/event.htmlReference _

option = {
    tooltip : {
        trigger: 'axis'
    },
    legend: {
        data:['highest','lowest']
    },
    toolbox: {
        show : true,
        feature : {
            mark : {show: true},
            dataView : {readOnly:false},
            magicType : {show: true, type: ['line', 'bar', 'stack', 'tiled']},
            restore : {show: true},
            saveAsImage : {show: true}
        }
    },
    calculable : true,
    dataZoom : {
        show : true,
        realtime : true,
        start : 40,
        end : 60
    },
    xAxis: [
        {
            type : 'category',
            boundaryGap : true,
            data : function (){
                var list = [];
                for (var i = 1; i <= 30; i++) {
                    list.push('2013-03-' + i);
                }
                return list;
            }()
        }
    ],
    yAxis : [
        {
            type : 'value'
        }
    ],
    series : [
        {
            name: 'highest',
            type:'line',
            data:function (){
                var list = [];
                for (var i = 1; i <= 30; i++) {
                    list.push(Math.round(Math.random()* 30) + 30);
                }
                return list;
            }()
        },
        {
            name: 'minimum',
            type:'bar',
            data:function (){
                var list = [];
                for (var i = 1; i <= 30; i++) {
                    list.push(Math.round(Math.random()* 10));
                }
                return list;
            }()
        }
    ]
};
var ecConfig = require('echarts/config');
function eConsole(param) {
    var mes = '【' + param.name + '】';
    if (typeof param.seriesIndex != 'undefined') {
      for(var i in param){
            if (param.hasOwnProperty(i)) {
                 mes += i + ":" + param[i];
            };
        }
       window.location.href="www.test.com/zuanqu?data="+mes;
    }
    if (param.type == 'hover') {
        document.getElementById('hover-console').innerHTML = 'Event Console : ' + mes;
    }
    else {
        document.getElementById('console').innerHTML = mes;
    }
    console.log(param);
}
/*
// ------- global
REFRESH: 'refresh',
RESTORE: 'restore',
RESIZE: 'resize',
CLICK: 'click',
DBLCLICK: 'dblclick',
HOVER: 'hover',
MOUSEOUT: 'mouseout',
// ------- business interaction logic
DATA_CHANGED: 'dataChanged',
DATA_ZOOM: 'dataZoom',
DATA_RANGE: 'dataRange',
DATA_RANGE_HOVERLINK: 'dataRangeHoverLink',
LEGEND_SELECTED: 'legendSelected',
LEGEND_HOVERLINK: 'legendHoverLink',
MAP_SELECTED: 'mapSelected',
PIE_SELECTED: 'pieSelected',
MAGIC_TYPE_CHANGED: 'magicTypeChanged',
DATA_VIEW_CHANGED: 'dataViewChanged',
TIMELINE_CHANGED: 'timelineChanged',
MAP_ROAM: 'mapRoam',
*/
myChart.on(ecConfig.EVENT.CLICK, eConsole);
myChart.on(ecConfig.EVENT.DBLCLICK, eConsole);
//myChart.on(ecConfig.EVENT.HOVER, eConsole);
myChart.on(ecConfig.EVENT.DATA_ZOOM, eConsole);
myChart.on(ecConfig.EVENT.LEGEND_SELECTED, eConsole);
myChart.on(ecConfig.EVENT.MAGIC_TYPE_CHANGED, eConsole);
myChart.on(ecConfig.EVENT.DATA_VIEW_CHANGED, eConsole);