Created
April 18, 2017 15:23
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Article Details Screen with declarative animations
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| import React from 'react'; | |
| import { ScrollView } from 'react-native'; | |
| import { connectStyle } from '@shoutem/theme'; | |
| import { | |
| Screen, | |
| Title, | |
| Caption, | |
| Icon, | |
| Image, | |
| Overlay, | |
| RichMedia, | |
| } from '@shoutem/ui'; | |
| import { | |
| HeroHeader, | |
| FadeOut, | |
| FadeIn, | |
| ZoomOut, | |
| ScrollDriver, | |
| Parallax, | |
| } from '@shoutem/animation'; | |
| import * as _ from 'lodash'; | |
| import moment from 'moment'; | |
| import { connect } from 'react-redux'; | |
| import { getCollection } from '@shoutem/redux-io'; | |
| import { ext } from '../const'; | |
| import NextArticle from '../components/NextArticle'; | |
| class ArticleDetailsScreen extends React.Component { | |
| static propTypes = { | |
| // The news article to display | |
| article: React.PropTypes.object.isRequired, | |
| // News articles collection being displayed | |
| articles: React.PropTypes.array, | |
| // A function for configuring the navigation bar | |
| setNavBarProps: React.PropTypes.func, | |
| // Whether the next article view should be displayed at | |
| // the bottom of the screen | |
| showNext: React.PropTypes.bool, | |
| }; | |
| shouldRenderNextArticle() { | |
| return this.props.articles && this.props.showNext; | |
| } | |
| renderUpNext() { | |
| const { article: { id }, articles } = this.props; | |
| const currentArticleIndex = _.findIndex(articles, { id }); | |
| const nextArticle = articles[currentArticleIndex + 1]; | |
| if (nextArticle) { | |
| return ( | |
| <NextArticle article={nextArticle} /> | |
| ); | |
| } | |
| return null; | |
| } | |
| render() { | |
| const { article, setNavBarProps } = this.props; | |
| const driver = new ScrollDriver(); | |
| setNavBarProps({ | |
| styleName: 'clear', | |
| share: { | |
| title: article.title, | |
| text: article.summary, | |
| link: article.link, | |
| }, | |
| }); | |
| /* eslint-disable no-multi-spaces */ | |
| return ( | |
| <Screen styleName="full-screen"> | |
| <ScrollView {...driver.scrollViewProps}> | |
| <HeroHeader driver={driver}> | |
| <Image styleName="large-portrait" source={{ uri: _.get(article, 'image.url') }}> | |
| <Overlay styleName="dark"> | |
| <Parallax driver={driver} scrollSpeed={1.2}> | |
| <FadeIn driver={driver} inputRange={[-70, -50]}> | |
| <FadeOut driver={driver} inputRange={[50, 200]}> | |
| <Title styleName="centered">{article.title.toUpperCase()}</Title> | |
| <Caption> | |
| {article.newsAuthor} {moment(article.timeUpdated).fromNow()} | |
| </Caption> | |
| </FadeOut> | |
| </FadeIn> | |
| </Parallax> | |
| <Icon name="down-arrow" styleName="scroll-indicator" /> | |
| </Overlay> | |
| </Image> | |
| </HeroHeader> | |
| <Screen> | |
| <RichMedia | |
| body={article.body} | |
| attachments={article.attachments} | |
| /> | |
| {this.shouldRenderNextArticle() && this.renderUpNext()} | |
| </Screen> | |
| </ScrollView> | |
| </Screen> | |
| ); | |
| } | |
| } | |
| export default connect((state) => ({ | |
| articles: getCollection(state[ext()].latestNews, state), | |
| }))(connectStyle(ext('ArticleDetailsScreen'), {})(ArticleDetailsScreen)); |
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