google.charts.load('current', {
callback: drawChart,
packages: ['bar']
});
var books = [
['2016-01', 3, 45.0],
['2016-02', 3, 56.0],
['2016-03', 1, 23.0],
['2016-04', 4, 60.0],
['2016-05', 1, 0],
['2016-06', 3, 14.0],
['2016-07', 4, 65.0],
['2016-08', 1, 15.0],
['2016-09', 13, 234.0],
['2016-10', 20, 834.0],
['2016-11', 5, 115.0],
['2016-12', 5, 58.0],
['2017-01', 6, 122.0],
['2017-02', 4, 84.0],
['2017-03', 1, 0],
['2017-04', 1, 30.0],
['2017-05', 2, 38.0],
['2017-06', 1, 11.0],
['2017-07', 0, 0],
['2017-08', 4, 88.0],
['2017-09', 5, 89.0],
['2017-10', 4, 73.0],
['2017-11', 5, 79.0],
['2017-12', 2, 37.0],
['2018-01', 1, 22.0],
['2018-02', 5, 98.0],
['2018-03', 5, 132.0],
['2018-04', 3, 56.0],
['2018-05', 14, 272.0],
['2018-06', 4, 88.0],
['2018-07', 5, 98.0],
['2018-08', 5, 100.0],
];
function drawChart() {
var data = new google.visualization.DataTable();
data.addColumn('string', 'Date');
data.addColumn('number', 'Number Purchased');
data.addColumn('number', 'Price Paid');
data.addRows(books);
var options = {
chart: {
title: 'Book Purchases',
},
width: 800,
height: 800,
bars: 'horizontal',
series: {
0: {
axis: 'purchased'
},
1: {
axis: 'price_paid'
}
},
axes: {
x: {
purchased: {
side: 'top',
label: 'Number Purchased'
},
price_paid: {
label: 'Price Paid'
}
}
}
};
function selectHandler() {
var selectedItem = chart.getSelection()[0];
if (selectedItem) {
var date = data.getValue(selectedItem.row, 0);
var query_string = '?date=' + date;
var path = window.location.pathname;
path = path.replace("bookgraph", "");
path = path + "search" + query_string;
var newURL = window.location.protocol + "//" + window.location.host + path;
window.open(newURL, '_blank');
}
}
function clickHandler(e) {
if (e.target.tagName === 'text') {
console.log(e.target.textContent);
}
}
var container = document.getElementById('bookgraph_material');
var chart = new google.charts.Bar(container);
google.visualization.events.addListener(chart, 'select', selectHandler);
container.addEventListener('click', clickHandler);
chart.draw(data, options);
}
<script src="https://www.gstatic.com/charts/loader.js"></script>
<div id="bookgraph_material"></div>