123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392 |
- // @flow
-
- import * as React from 'react';
- import {Image, Platform, ScrollView, View} from "react-native";
- import i18n from "i18n-js";
- import CustomModal from "../../components/Custom/CustomModal";
- import {Avatar, IconButton, List, RadioButton, Searchbar, Subheading, Text, Title, withTheme} from "react-native-paper";
- import PureFlatList from "../../components/Lists/PureFlatList";
-
- function sortPrice(a, b) {
- return a.price - b.price;
- }
-
- function sortPriceReverse(a, b) {
- return b.price - a.price;
- }
-
- function sortName(a, b) {
- if (a.name.toLowerCase() < b.name.toLowerCase())
- return -1;
- if (a.name.toLowerCase() > b.name.toLowerCase())
- return 1;
- return 0;
- }
-
- function sortNameReverse(a, b) {
- if (a.name.toLowerCase() < b.name.toLowerCase())
- return 1;
- if (a.name.toLowerCase() > b.name.toLowerCase())
- return -1;
- return 0;
- }
-
- type Props = {
- navigation: Object,
- route: Object,
- }
-
- type State = {
- currentSortMode: number,
- modalCurrentDisplayItem: React.Node,
- currentlyDisplayedData: Array<Object>,
- };
-
- /**
- * Class defining proximo's article list of a certain category.
- */
- class ProximoListScreen extends React.Component<Props, State> {
-
- modalRef: Object;
- originalData: Array<Object>;
- shouldFocusSearchBar: boolean;
-
- onSearchStringChange: Function;
- onSortMenuPress: Function;
- renderItem: Function;
- onModalRef: Function;
-
- colors: Object;
-
- constructor(props) {
- super(props);
- this.originalData = this.props.route.params['data']['data'];
- this.shouldFocusSearchBar = this.props.route.params['shouldFocusSearchBar'];
- this.state = {
- currentlyDisplayedData: this.originalData.sort(sortName),
- currentSortMode: 3,
- modalCurrentDisplayItem: null,
- };
-
- this.onSearchStringChange = this.onSearchStringChange.bind(this);
- this.onSortMenuPress = this.onSortMenuPress.bind(this);
- this.renderItem = this.renderItem.bind(this);
- this.onModalRef = this.onModalRef.bind(this);
- this.colors = props.theme.colors;
- }
-
-
- /**
- * Creates the header content
- */
- componentDidMount() {
- const button = this.getSortMenuButton.bind(this);
- const title = this.getSearchBar.bind(this);
- this.props.navigation.setOptions({
- headerRight: button,
- headerTitle: title,
- headerBackTitleVisible: false,
- headerTitleContainerStyle: Platform.OS === 'ios' ?
- {marginHorizontal: 0, width: '70%'} :
- {marginHorizontal: 0, right: 50, left: 50},
- });
- }
-
- /**
- * Gets the header search bar
- *
- * @return {*}
- */
- getSearchBar() {
- return (
- <Searchbar
- placeholder={i18n.t('proximoScreen.search')}
- onChangeText={this.onSearchStringChange}
- />
- );
- }
-
- /**
- * Gets the sort menu header button
- *
- * @return {*}
- */
- getSortMenuButton() {
- return (
- <IconButton
- icon="sort"
- color={this.colors.text}
- size={26}
- onPress={this.onSortMenuPress}
- />
- );
- }
-
- /**
- * Callback used when clicking on the sort menu button.
- * It will open the modal to show a sort selection
- */
- onSortMenuPress() {
- this.setState({
- modalCurrentDisplayItem: this.getModalSortMenu()
- });
- if (this.modalRef) {
- this.modalRef.open();
- }
- }
-
- /**
- * Sets the current sort mode.
- *
- * @param mode The number representing the mode
- */
- setSortMode(mode: number) {
- this.setState({
- currentSortMode: mode,
- });
- let data = this.state.currentlyDisplayedData;
- switch (mode) {
- case 1:
- data.sort(sortPrice);
- break;
- case 2:
- data.sort(sortPriceReverse);
- break;
- case 3:
- data.sort(sortName);
- break;
- case 4:
- data.sort(sortNameReverse);
- break;
- }
- if (this.modalRef && mode !== this.state.currentSortMode) {
- this.modalRef.close();
- }
- }
-
- /**
- * Gets a color depending on the quantity available
- *
- * @param availableStock The quantity available
- * @return
- */
- getStockColor(availableStock: number) {
- let color: string;
- if (availableStock > 3)
- color = this.colors.success;
- else if (availableStock > 0)
- color = this.colors.warning;
- else
- color = this.colors.danger;
- return color;
- }
-
- /**
- * Sanitizes the given string to improve search performance
- *
- * @param str The string to sanitize
- * @return {string} The sanitized string
- */
- sanitizeString(str: string): string {
- return str.toLowerCase().normalize("NFD").replace(/[\u0300-\u036f]/g, "");
- }
-
- /**
- * Returns only articles whose name contains the given string.
- * Case and accents insensitive.
- *
- * @param str The string used to filter article names
- * @returns {[]}
- */
- filterData(str: string) {
- let filteredData = [];
- const testStr = this.sanitizeString(str);
- const articles = this.originalData;
- for (const article of articles) {
- const name = this.sanitizeString(article.name);
- if (name.includes(testStr)) {
- filteredData.push(article)
- }
- }
- return filteredData;
- }
-
- /**
- * Callback used when the search changes
- *
- * @param str The new search string
- */
- onSearchStringChange(str: string) {
- this.setState({
- currentlyDisplayedData: this.filterData(str)
- })
- }
-
- /**
- * Gets the modal content depending on the given article
- *
- * @param item The article to display
- * @return {*}
- */
- getModalItemContent(item: Object) {
- return (
- <View style={{
- flex: 1,
- padding: 20
- }}>
- <Title>{item.name}</Title>
- <View style={{
- flexDirection: 'row',
- width: '100%',
- marginTop: 10,
- }}>
- <Subheading style={{
- color: this.getStockColor(parseInt(item.quantity)),
- }}>
- {item.quantity + ' ' + i18n.t('proximoScreen.inStock')}
- </Subheading>
- <Subheading style={{marginLeft: 'auto'}}>{item.price}€</Subheading>
- </View>
-
- <ScrollView>
- <View style={{width: '100%', height: 150, marginTop: 20, marginBottom: 20}}>
- <Image style={{flex: 1, resizeMode: "contain"}}
- source={{uri: item.image}}/>
- </View>
- <Text>{item.description}</Text>
- </ScrollView>
- </View>
- );
- }
-
- /**
- * Gets the modal content to display a sort menu
- *
- * @return {*}
- */
- getModalSortMenu() {
- return (
- <View style={{
- flex: 1,
- padding: 20
- }}>
- <Title style={{marginBottom: 10}}>{i18n.t('proximoScreen.sortOrder')}</Title>
- <RadioButton.Group
- onValueChange={value => this.setSortMode(value)}
- value={this.state.currentSortMode}
- >
- <View style={{
- flexDirection: 'row',
- justifyContent: 'flex-start',
- alignItems: 'center'
- }}>
- <RadioButton value={1}/>
- <Text>{i18n.t('proximoScreen.sortPrice')}</Text>
- </View>
- <View style={{
- flexDirection: 'row',
- justifyContent: 'flex-start',
- alignItems: 'center'
- }}>
- <RadioButton value={2}/>
- <Text>{i18n.t('proximoScreen.sortPriceReverse')}</Text>
- </View>
- <View style={{
- flexDirection: 'row',
- justifyContent: 'flex-start',
- alignItems: 'center'
- }}>
- <RadioButton value={3}/>
- <Text>{i18n.t('proximoScreen.sortName')}</Text>
- </View>
- <View style={{
- flexDirection: 'row',
- justifyContent: 'flex-start',
- alignItems: 'center'
- }}>
- <RadioButton value={4}/>
- <Text>{i18n.t('proximoScreen.sortNameReverse')}</Text>
- </View>
- </RadioButton.Group>
- </View>
- );
- }
-
- /**
- * Callback used when clicking an article in the list.
- * It opens the modal to show detailed information about the article
- *
- * @param item The article pressed
- */
- onListItemPress(item: Object) {
- this.setState({
- modalCurrentDisplayItem: this.getModalItemContent(item)
- });
- if (this.modalRef) {
- this.modalRef.open();
- }
- }
-
- /**
- * Gets a render item for the given article
- *
- * @param item The article to render
- * @return {*}
- */
- renderItem({item}: Object) {
- const onPress = this.onListItemPress.bind(this, item);
- return (
- <List.Item
- title={item.name}
- description={item.quantity + ' ' + i18n.t('proximoScreen.inStock')}
- descriptionStyle={{color: this.getStockColor(parseInt(item.quantity))}}
- onPress={onPress}
- left={() => <Avatar.Image style={{backgroundColor: 'transparent'}} size={64}
- source={{uri: item.image}}/>}
- right={() =>
- <Text style={{fontWeight: "bold"}}>
- {item.price}€
- </Text>}
- />
- );
- }
-
- /**
- * Extracts a key for the given article
- *
- * @param item The article to extract the key from
- * @return {*} The extracted key
- */
- keyExtractor(item: Object) {
- return item.name + item.code;
- }
-
- /**
- * Callback used when receiving the modal ref
- *
- * @param ref
- */
- onModalRef(ref: Object) {
- this.modalRef = ref;
- }
-
- render() {
- return (
- <View style={{
- height: '100%'
- }}>
- <CustomModal onRef={this.onModalRef}>
- {this.state.modalCurrentDisplayItem}
- </CustomModal>
- <PureFlatList
- data={this.state.currentlyDisplayedData}
- keyExtractor={this.keyExtractor}
- renderItem={this.renderItem}
- updateData={this.state.currentSortMode}
- />
- </View>
- );
- }
- }
-
- export default withTheme(ProximoListScreen);
|