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Merge pull request #88 from ctxhou/async
Support async panel
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| import React, {Component} from 'react'; | ||
| import {Tabs, TabList, Tab, PanelList, AsyncPanel, Panel} from '../../src'; | ||
| import {Facebook} from 'react-content-loader' | ||
| const MyFacebookLoader = () => <Facebook /> | ||
|
|
||
| function fakeCbFetch(cb) { | ||
| setTimeout(() => { | ||
| cb(null, { | ||
| content: 'hi' | ||
| }); | ||
| }, 1500); | ||
| } | ||
|
|
||
| function fakePromiseFetch() { | ||
| return new Promise((res) => { | ||
| setTimeout(() => { | ||
| res({ | ||
| content: 'promise fetched' | ||
| }); | ||
| }, 1500); | ||
| }) | ||
| } | ||
|
|
||
| export default class Basic extends Component { | ||
| render() { | ||
| return ( | ||
| <Tabs customStyle={this.props.customStyle}> | ||
| <TabList> | ||
| <Tab>Normal panel</Tab> | ||
| <Tab>Callback fetch panel</Tab> | ||
| <Tab>Promise fetch panel</Tab> | ||
| <Tab>fetch without cache</Tab> | ||
| </TabList> | ||
| <PanelList> | ||
| <Panel> | ||
| Normal tab. | ||
| You can mix normal panel with async panel | ||
| </Panel> | ||
| <AsyncPanel loadContent={fakeCbFetch} | ||
| render={data => (<div>{JSON.stringify(data)}</div>)} | ||
| renderLoading={() => (<MyFacebookLoader/>)} | ||
| /> | ||
| <AsyncPanel loadContent={fakePromiseFetch} | ||
| render={data => (<div>{JSON.stringify(data)}</div>)} | ||
| renderLoading={() => (<MyFacebookLoader />)} | ||
| /> | ||
| <AsyncPanel loadContent={fakePromiseFetch} | ||
| render={data => (<div>{JSON.stringify(data)}</div>)} | ||
| renderLoading={() => (<MyFacebookLoader />)} | ||
| cache={false} | ||
| /> | ||
| </PanelList> | ||
| </Tabs> | ||
| ) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| // @flow | ||
| import * as React from 'react' | ||
| import Panel from './Panel'; | ||
|
|
||
| type Props = { | ||
| loadContent: (cb: Function) => void, | ||
| render: (data: any) => void, | ||
| renderLoading: () => void, | ||
| CustomPanelStyle: () => void, | ||
| active: boolean, | ||
| index: number, | ||
| cache: boolean | ||
| }; | ||
|
|
||
| type State = { | ||
| isLoading: boolean, | ||
| data: any | ||
| }; | ||
|
|
||
| export default class AsyncPanelComponent extends React.PureComponent<Props, State> { | ||
| static defaultProps = { | ||
| cache: true | ||
| }; | ||
|
|
||
| cacheData: any; | ||
|
|
||
| constructor(props: Props) { | ||
| super(props); | ||
| (this: any).loadPanel = this.loadPanel.bind(this); | ||
| (this: any).cacheData = undefined; | ||
| this.state = { | ||
| isLoading: false, | ||
| data: undefined | ||
| }; | ||
| } | ||
|
|
||
| componentDidMount() { | ||
| if (this.props.active) | ||
| this.loadPanel(); | ||
| } | ||
|
|
||
| componentWillReceiveProps(nextProps: Props) { | ||
| if (nextProps.active) | ||
| this.loadPanel(); | ||
| } | ||
|
|
||
| loadPanel() { | ||
| const {loadContent, cache} = this.props; | ||
| if (cache && this.cacheData) { | ||
| this.setState({ | ||
| isLoading: false, | ||
| data: this.cacheData | ||
| }); | ||
| return; | ||
| } | ||
| const callback = (err, data) => { | ||
| if (err) { | ||
| console.log('React-Tabtab async panel error:', err); | ||
| } | ||
| if (cache) { | ||
| this.cacheData = data; | ||
| } | ||
| this.setState({ | ||
| isLoading: false, | ||
| data | ||
| }); | ||
| } | ||
| const promise = loadContent(callback); | ||
| if (promise) { | ||
| promise.then( | ||
| (data) => callback(null, data), | ||
| (err) => callback(err) | ||
| ); | ||
| } | ||
| if (!this.state.isLoading) { | ||
| this.setState({isLoading: true}); | ||
| } | ||
| } | ||
|
|
||
| render() { | ||
| const {render, renderLoading, CustomPanelStyle, active, index} = this.props; | ||
| const {isLoading, data} = this.state; | ||
| let content; | ||
| if (isLoading) { | ||
| content = renderLoading(); | ||
| } else { | ||
| content = render(data); | ||
| } | ||
| return ( | ||
| <Panel {...{CustomPanelStyle, active, index}}> | ||
| {content} | ||
| </Panel> | ||
| ) | ||
| } | ||
| } |
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