Download PDF

author(s): Torstein Hønsi

by Ayyappan Sakthivadivel

HTML

<link rel="stylesheet" href="https://netdna.bootstrapcdn.com/font-awesome/4.3.0/css/font-awesome.css">
<script src="https://code.highcharts.com/gantt/highcharts-gantt.js"></script>
<script src="https://code.highcharts.com/gantt/modules/exporting.js"></script>

<div id="container"></div>
<div id="button-container">
	<button id="pdf">
		<i class="fa fa-download"></i> Download PDF
	</button>
</div>

CSS

#container, #button-container {
    max-width: 800px;
    margin: 1em auto;
}
#pdf {
	border: 1px solid silver;
	border-radius: 3px;
	background: #a4edba;
    padding: 0.5em 1em;
}
#pdf i {
	margin-right: 1em;
}

JavaScript

Highcharts.ganttChart('container', {

    title: {
        text: 'Highcharts Gantt Chart'
    },

    yAxis: {
        uniqueNames: true
    },
exporting:{
buttons: {
                contextButton: {
                    title: "contextButtonTitle",
                    symbolSize: 16,
                    symbolY: 15,
                    menuItems: ["downloadPNG", "downloadJPEG", "downloadPDF", "downloadSVG"],
                     _titleKey: "Download"
                }
            }
},
    series: [{
        name: 'Project 1',
        data: [{
            start: Date.UTC(2018, 11, 1),
            end: Date.UTC(2018, 11, 2),
            completed: 0.95,
            name: 'Prototyping'
        }, {
            start: Date.UTC(2018, 11, 2),
            end: Date.UTC(2018, 11, 5),
            completed: 0.444,
            name: 'Development'
        }, {
            start: Date.UTC(2018, 11, 8),
            end: Date.UTC(2018, 11, 9),
            completed: 0.141,
            name: 'Testing'
        }, {
            start: Date.UTC(2018, 11, 9),
            end: Date.UTC(2018, 11, 19),
            completed: {
                amount: 0.3,
                fill: '#fa0'
            },
            name: 'Development'
        }, {
            start: Date.UTC(2018, 11, 10),
            end: Date.UTC(2018, 11, 23),
            name: 'Testing'
        }]
    }]
});

// Activate the custom button
document.getElementById('pdf').addEventListener('click', function () {
    Highcharts.charts[0].exportChart({
        type: 'application/pdf'
    });
});