React-Chartjs-2 drag data points
Shows how draggable data points can be achieved using react js
HTML
<script src="https://unpkg.com/react@15.3.1/dist/react.js"></script>
<script src="https://unpkg.com/react-dom@15.3.1/dist/react-dom.min.js"></script>
<script src="https://unpkg.com/chart.js@2.6.0/dist/Chart.js"></script>
<script src="https://unpkg.com/react-chartjs-2@2.1.0/dist/react-chartjs-2.js"></script>
<script src="https://chrispahm.github.io/chartjs-plugin-dragdata/assets/chartjs-plugin-dragdata.min.js"></script>
<div id="app"></div>
Babel + JSX
var Line = reactChartjs2.Line;
const options = {
tooltips: {enabled: true},
scales: {
xAxes: [{
gridLines: {display: false, color: 'grey',},
ticks: {fontColor: '#3C3C3C', fontSize: 14,},
}],
yAxes: [{
scaleLabel: {display: true, labelString: 'Color Strength', fontSize: 14,},
ticks: {
display: true,
min: -5,
max: 100,
scaleSteps: 50,
scaleStartValue: -50,
maxTicksLimit: 4,
fontColor: '#9B9B9B',
padding: 30,
callback: point => (point < 0 ? '' : point),
},
gridLines: {
display: false,
offsetGridLines: true,
color: '3C3C3C',
tickMarkLength: 4,
},
}],
},
legend:{
display: false
},
dragData: true,
onDragStart: function (e) {
console.log(e)
},
onDrag: function (e, datasetIndex, index, value) {
console.log(datasetIndex, index, value)
},
onDragEnd: function (e, datasetIndex, index, value) {
console.log(datasetIndex, index, value)
}
};
class DraggableGraph extends React.Component {
state = {
dataSet: [0, 0, 0],
labels: ['red', 'green', 'blue'],
};
render() {
const data = {
labels: this.state.labels,
datasets: [{
data: this.state.dataSet,
borderColor: '9B9B9B',
borderWidth: 1,
pointRadius: 10,
pointHoverRadius: 10,
pointBackgroundColor: '#609ACF',
pointBorderWidth: 0,
spanGaps: false,
}],
};
return (
<div>
<Line
data={data}
options={options}
/>
</div>
);
}
}
ReactDOM.render(<DraggableGraph />, document.getElementById('app'));