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import React from "react";
import RGL, { WidthProvider } from "react-grid-layout";
const ReactGridLayout = WidthProvider(RGL);
const originalLayout = getFromLS("layout") || [];
/**
* This layout demonstrates how to sync to localstorage.
*/
export default class LocalStorageLayout extends React.PureComponent {
static defaultProps = {
className: "layout",
cols: 12,
rowHeight: 30,
onLayoutChange: function() {}
};
constructor(props) {
super(props);
this.state = {
layout: JSON.parse(JSON.stringify(originalLayout))
};
this.onLayoutChange = this.onLayoutChange.bind(this);
this.resetLayout = this.resetLayout.bind(this);
}
resetLayout() {
this.setState({
layout: []
});
}
onLayoutChange(layout) {
/*eslint no-console: 0*/
saveToLS("layout", layout);
this.setState({ layout });
this.props.onLayoutChange(layout); // updates status display
}
render() {
return (
<div>
<button onClick={this.resetLayout}>Reset Layout</button>
<ReactGridLayout
{...this.props}
layout={this.state.layout}
onLayoutChange={this.onLayoutChange}
>
<div key="1" data-grid={{ w: 2, h: 3, x: 0, y: 0 }}>
<span className="text">1</span>
</div>
<div key="2" data-grid={{ w: 2, h: 3, x: 2, y: 0 }}>
<span className="text">2</span>
</div>
<div key="3" data-grid={{ w: 2, h: 3, x: 4, y: 0 }}>
<span className="text">3</span>
</div>
<div key="4" data-grid={{ w: 2, h: 3, x: 6, y: 0 }}>
<span className="text">4</span>
</div>
<div key="5" data-grid={{ w: 2, h: 3, x: 8, y: 0 }}>
<span className="text">5</span>
</div>
</ReactGridLayout>
</div>
);
}
}
function getFromLS(key) {
let ls = {};
if (global.localStorage) {
try {
ls = JSON.parse(global.localStorage.getItem("rgl-7")) || {};
} catch (e) {
/*Ignore*/
}
}
return ls[key];
}
function saveToLS(key, value) {
if (global.localStorage) {
global.localStorage.setItem(
"rgl-7",
JSON.stringify({
[key]: value
})
);
}
}
if (process.env.STATIC_EXAMPLES === true) {
import("../test-hook.jsx").then(fn => fn.default(LocalStorageLayout));
}
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