Rocket.Chat.ReactNative/app/views/PickerView.tsx

116 lines
3.1 KiB
TypeScript

import React, { useLayoutEffect, useState } from 'react';
import { FlatList, StyleSheet, Text, TextInputProps } from 'react-native';
import * as List from '../containers/List';
import SafeAreaView from '../containers/SafeAreaView';
import SearchBox from '../containers/SearchBox';
import I18n from '../i18n';
import { useAppNavigation, useAppRoute } from '../lib/hooks/navigation';
import { useDebounce } from '../lib/methods/helpers';
import { TNavigation } from '../stacks/stackType';
import { useTheme } from '../theme';
import { IOptionsField } from './NotificationPreferencesView/options';
import sharedStyles from './Styles';
const styles = StyleSheet.create({
noResult: {
fontSize: 16,
paddingVertical: 56,
...sharedStyles.textSemibold,
...sharedStyles.textAlignCenter
}
});
interface IItem {
item: IOptionsField;
selected: boolean;
onItemPress: () => void;
}
const Item = ({ item, selected, onItemPress }: IItem) => {
const { colors } = useTheme();
return (
<List.Item
title={I18n.t(item.label, { defaultValue: item.label, second: item?.second })}
right={() => (selected ? <List.Icon name='check' color={colors.tintColor} /> : null)}
onPress={onItemPress}
translateTitle={false}
/>
);
};
const RenderSearch = ({ onChangeText }: TextInputProps) => (
<>
<SearchBox onChangeText={onChangeText} />
<List.Separator />
</>
);
const PickerView = (): React.ReactElement => {
const navigation = useAppNavigation();
const {
params: { title, data: paramData, value: paramValue, total: paramTotal, onSearch, onChangeValue, onEndReached }
} = useAppRoute<TNavigation, 'PickerView'>();
const { colors } = useTheme();
const [data, setData] = useState(paramData);
const [total, setTotal] = useState(paramTotal ?? 0);
const [searchText, setSearchText] = useState('');
useLayoutEffect(() => {
navigation.setOptions({
title: title ?? I18n.t('Select_an_option')
});
}, [navigation, title]);
const handleChangeValue = (value: string | number) => {
onChangeValue(value);
navigation.goBack();
};
const onChangeText = useDebounce(async (text: string) => {
const search = await onSearch(text);
if (search?.data) {
setSearchText(text);
setData(search?.data);
}
}, 500);
const handleOnEndReached = async () => {
if (onEndReached && total && data.length < total) {
const end = await onEndReached(searchText, data.length);
if (end?.data) {
setData([...data, ...end.data]);
setTotal(end.total);
}
}
};
return (
<SafeAreaView>
<FlatList
data={data}
keyExtractor={item => item.value as string}
renderItem={({ item }) => (
<Item
item={item}
selected={(paramValue || data[0]?.value) === item.value}
onItemPress={() => handleChangeValue(item.value)}
/>
)}
onEndReached={handleOnEndReached}
onEndReachedThreshold={0.5}
ItemSeparatorComponent={List.Separator}
ListHeaderComponent={<RenderSearch onChangeText={onChangeText} />}
ListFooterComponent={List.Separator}
ListEmptyComponent={() => (
<Text style={[styles.noResult, { color: colors.titleText }]}>{I18n.t('No_results_found')}</Text>
)}
/>
</SafeAreaView>
);
};
export default PickerView;