| import React from "react"; |
| import RGL, { WidthProvider } from "react-grid-layout"; |
|
|
| const ReactGridLayout = WidthProvider(RGL); |
| const originalLayout = getFromLS("layout") || []; |
| |
| |
| |
| 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) { |
| |
| saveToLS("layout", layout); |
| this.setState({ layout }); |
| this.props.onLayoutChange(layout); |
| } |
|
|
| 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) { |
| |
| } |
| } |
| 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)); |
| } |
|
|
