'use strict';
import React, {Component} from "react"
import {Dimensions, ScrollView, StyleSheet, Text, TouchableOpacity, View} from 'react-native';
import cityDatas from "./cityIndex";const {width, height} = Dimensions.get('window');
// 适配性函数
const UIWIDTH = 750;let hotCitys = [];
let defaultHotCityArray = [{cityCode: "310000", cityName: "上海市"},{cityCode: "440300", cityName: "深圳市"},{cityCode: "110000", cityName: "北京市"},{cityCode: "440100", cityName: "广州市"},
];const sectionWidth = 20;
const statusHeight = 88;
const sectionTopBottomHeight = 60;
const sectionItemHeight = (height - sectionTopBottomHeight * 2 - statusHeight) / cityDatas.length;
const ROW_HEIGHT = 48;let totalHeight = [];
let letters = [];export function rx(UIPX) {return Math.round(UIPX * width / UIWIDTH);
}export default class cityList extends Component {constructor(props) {super(props);totalHeight = this._gotTotalHeightArray();letters = this._gotLettersArray();}state = {currentCity: "正在定位...",isLocation: false,sectionListDatas: cityDatas,letterWords: 'A'};// 获取每个字母区域的高度
    _gotTotalHeightArray() {let totalArray = []for (let i = 0; i < cityDatas.length; i++) {let eachHeight = ROW_HEIGHT * (cityDatas[i].data.length + 1);totalArray.push(eachHeight);}return totalArray}// 获取字母列表头
    _gotLettersArray() {let LettersArray = []for (let i = 0; i < cityDatas.length; i++) {let element = cityDatas[i];LettersArray.push(element.title)}return LettersArray}componentWillMount() {this.gotCurrentLocation();this.requestHotCityList();}async gotCurrentLocation() {this.setState({currentCity: "北京",isLocation: true})}requestHotCityList() {hotCitys = defaultHotCityArray}currentCityAction(name) {}// 点击右侧字母滑动到相应位置
    scrollToList(item, index) {let position = 0;for (let i = 0; i < index; i++) {position += totalHeight[i]}this.refs.ScrollView.scrollTo({y: position})}/*右侧索引*/_renderSideSectionView() {const sectionItem = cityDatas.map((item, index) => {return (<Text onPress={() => this.scrollToList(item, index)} key={index} style={styles.rightSideText}>{item.sortLetters}</Text>)});return (<View style={styles.rightSlideArea} ref="sectionItemView">{sectionItem}</View>);}// 渲染城市列表
    _renderCityList() {let lists = [];for (let i = 0; i < cityDatas.length; i++) {let sections = cityDatas[i];let header =<View key={sections.title} style={styles.cityLetterBox}><Text style={styles.cityLetterText}>{sections.sortLetters}</Text></View>;lists.push(header);for (let j = 0; j < sections.data.length; j++) {let element = sections.data[j];let cityCell =<TouchableOpacity key={element.name + j} onPress={() => {this.selectCity(element)}}><View style={styles.cityTextBox}><Text style={styles.cityTextStyle}>{element.name}</Text></View></TouchableOpacity>;lists.push(cityCell);}}return lists;}selectCity(cityItem) {// alert(cityItem.cityCode);
        console.log(cityItem)}renderHotCityArray(hotCityArray) {let eleArray = [];let subArray = hotCityArray.slice(0, 12);for (let index = 0; index < subArray.length; index++) {const element = subArray[index];const ele =<TouchableOpacity key={element.cityCode} onPress={() => {}}><View style={[styles.textView, {marginTop: 10}]}><Text style={{color: "#333333", fontSize: 14,}}>{element.cityName}</Text></View></TouchableOpacity>;eleArray.push(ele);}return eleArray;}render() {return (<View style={{flex: 1}}><View style={{backgroundColor: "#FFFFFF",}} ref='topViews'><Text style={styles.titleText}>当前定位城市</Text><View style={styles.currentView}><TouchableOpacity onPress={() => {this.currentCityAction(this.state.currentCity)}}style={{width: 100,}}><View style={[styles.textView, {marginLeft: 15, width: 100,}]}><Text style={{color: "#C49225", fontSize: 14,}}>{this.state.currentCity}</Text></View></TouchableOpacity></View><Text style={styles.titleText}>热门城市</Text><View style={styles.hotView}>{this.renderHotCityArray(hotCitys)}</View></View><ScrollView style={{backgroundColor: '#FFFFFF',}} ref="ScrollView">{this._renderCityList()}</ScrollView>{this._renderSideSectionView()}</View>)}
}
const styles = StyleSheet.create({scrollView: {backgroundColor: "#ECEBED"},titleText: {marginLeft: 30,marginTop: 20,color: "#999999",fontSize: 13,},currentView: {marginTop: 10,paddingBottom: 20},textView: {minWidth: 40,height: 30,justifyContent: "center",alignItems: "center",backgroundColor: "#FFF",borderRadius: 5,paddingLeft: 10,paddingRight: 10,marginRight: 10,},hotView: {marginTop: 5,flexDirection: "row",flexWrap: "wrap",justifyContent: "space-between",marginLeft: 30,marginRight: 25,paddingBottom: 20,marginBottom: 15,},rightSlideArea: {position: 'absolute',width: sectionWidth,height: height - sectionTopBottomHeight * 2, right: 5,top: 0,marginTop: sectionTopBottomHeight,marginBottom: sectionTopBottomHeight,},rightSideText: {textAlign: 'center',alignItems: 'center',height: sectionItemHeight,lineHeight: sectionItemHeight,color: '#C49225'},cityLetterBox: {height: ROW_HEIGHT,backgroundColor: '#F4F4F4',justifyContent: 'center',},cityLetterText: {color: "#999",fontSize: 17,marginLeft: 20,},cityTextBox: {height: ROW_HEIGHT,justifyContent: 'center',backgroundColor: '#FFFFFF',marginLeft: 20,},cityTextStyle: {color: '#333333',fontSize: 14,},});

export default 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":"320700","name":"连云港"},{"id":"331100","name":"丽水"},{"id":"341500","name":"六安"},{"id":"350800","name":"龙岩"},{"id":"371200","name":"莱芜"},{"id":"371300","name":"临沂"},{"id":"371500","name":"聊城"},{"id":"410300","name":"洛阳"},{"id":"431300","name":"娄底"},{"id":"450200","name":"柳州"},{"id":"451300","name":"来宾"},{"id":"469027","name":"乐东黎族自治县"},{"id":"469024","name":"临高县"},{"id":"469028","name":"陵水黎族自治县"},{"id":"510500","name":"泸州"},{"id":"511100","name":"乐山"},{"id":"513400","name":"凉山彝族自治州"},{"id":"520200","name":"六盘水"},{"id":"530700","name":"丽江"},{"id":"530900","name":"临沧"},{"id":"540100","name":"拉萨"},{"id":"540400","name":"林芝"},{"id":"620100","name":"兰州"},{"id":"621200","name":"陇南"},{"id":"622900","name":"临夏回族自治州"}]},{"sortLetters":"M","data":[{"id":"231000","name":"牡丹江"},{"id":"340500","name":"马鞍山"},{"id":"440900","name":"茂名"},{"id":"441400","name":"梅州"},{"id":"510700","name":"绵阳"},{"id":"511400","name":"眉山"}]},{"sortLetters":"N","data":[{"id":"320100","name":"南京"},{"id":"320600","name":"南通"},{"id":"330200","name":"宁波"},{"id":"350700","name":"南平"},{"id":"350900","name":"宁德"},{"id":"360100","name":"南昌"},{"id":"411300","name":"南阳"},{"id":"450100","name":"南宁"},{"id":"511000","name":"内江"},{"id":"511300","name":"南充"},{"id":"533300","name":"怒江傈僳族自治州"},{"id":"542400","name":"那曲地区"}]},{"sortLetters":"P","data":[{"id":"211100","name":"盘锦"},{"id":"360300","name":"萍乡"},{"id":"410400","name":"平顶山"},{"id":"410900","name":"濮阳"},{"id":"510400","name":"攀枝花"},{"id":"530800","name":"普洱"},{"id":"620800","name":"平凉"}]},{"sortLetters":"Q","data":[{"id":"130300","name":"秦皇岛"},{"id":"230200","name":"齐齐哈尔"},{"id":"230900","name":"七台河"},{"id":"330800","name":"衢州"},{"id":"350500","name":"泉州"},{"id":"370200","name":"青岛"},{"id":"429005","name":"潜江"},{"id":"441800","name":"清远"},{"id":"450700","name":"钦州"},{"id":"469002","name":"琼海"},{"id":"469030","name":"琼中黎族苗族自治县"},{"id":"522300","name":"黔西南布依族苗族自治州"},{"id":"522600","name":"黔东南苗族侗族自治州"},{"id":"522700","name":"黔南布依族苗族自治州"},{"id":"530300","name":"曲靖"},{"id":"621000","name":"庆阳"}]},{"sortLetters":"R","data":[{"id":"371100","name":"日照"},{"id":"540200","name":"日喀则"}]},{"sortLetters":"S","data":[{"id":"320500","name":"苏州"},{"id":"130100","name":"石家庄"},{"id":"140600","name":"朔州"},{"id":"210100","name":"沈阳"},{"id":"220300","name":"四平"},{"id":"220700","name":"松原"},{"id":"230500","name":"双鸭山"},{"id":"231200","name":"绥化"},{"id":"310100","name":"上海"},{"id":"321300","name":"宿迁"},{"id":"330600","name":"绍兴"},{"id":"341300","name":"宿州"},{"id":"350200","name":"厦门"},{"id":"350400","name":"三明"},{"id":"361100","name":"上饶"},{"id":"411200","name":"三门峡"},{"id":"411400","name":"商丘"},{"id":"420300","name":"十堰"},{"id":"421300","name":"随州"},{"id":"429021","name":"神农架林区"},{"id":"430500","name":"邵阳"},{"id":"440200","name":"韶关"},{"id":"440300","name":"深圳"},{"id":"440500","name":"汕头"},{"id":"441500","name":"汕尾"},{"id":"460200","name":"三亚"},{"id":"460300","name":"三沙"},{"id":"510900","name":"遂宁"},{"id":"540500","name":"山南"},{"id":"611000","name":"商洛"},{"id":"640200","name":"石嘴山"},{"id":"659001","name":"石河子"},{"id":"659007","name":"双河"}]},{"sortLetters":"T","data":[{"id":"120100","name":"天津"},{"id":"130200","name":"唐山"},{"id":"140100","name":"太原"},{"id":"150500","name":"通辽"},{"id":"211200","name":"铁岭"},{"id":"220500","name":"通化"},{"id":"321200","name":"泰州"},{"id":"331000","name":"台州"},{"id":"340700","name":"铜陵"},{"id":"370900","name":"泰安"},{"id":"411100","name":"漯河"},{"id":"429006","name":"天门"},{"id":"469022","name":"屯昌县"},{"id":"520600","name":"铜仁"},{"id":"610200","name":"铜川"},{"id":"620500","name":"天水"},{"id":"650400","name":"吐鲁番"},{"id":"654200","name":"塔城地区"},{"id":"659006","name":"铁门关"},{"id":"659003","name":"图木舒克"}]},{"sortLetters":"W","data":[{"id":"150300","name":"乌海"},{"id":"150900","name":"乌兰察布"},{"id":"320200","name":"无锡"},{"id":"330300","name":"温州"},{"id":"340200","name":"芜湖"},{"id":"370700","name":"潍坊"},{"id":"371000","name":"威海"},{"id":"420100","name":"武汉"},{"id":"450400","name":"梧州"},{"id":"469006","name":"万宁"},{"id":"469005","name":"文昌"},{"id":"469001","name":"五指山"},{"id":"532600","name":"文山壮族苗族自治州"},{"id":"610500","name":"渭南"},{"id":"620600","name":"武威"},{"id":"640300","name":"吴忠"},{"id":"650100","name":"乌鲁木齐"},{"id":"659004","name":"五家渠"}]},{"sortLetters":"X","data":[{"id":"130500","name":"邢台"},{"id":"140900","name":"忻州"},{"id":"152200","name":"兴安盟"},{"id":"152500","name":"锡林郭勒盟"},{"id":"320300","name":"徐州"},{"id":"341800","name":"宣城"},{"id":"360500","name":"新余"},{"id":"410700","name":"新乡"},{"id":"411000","name":"许昌"},{"id":"411500","name":"信阳"},{"id":"420600","name":"襄阳"},{"id":"420900","name":"孝感"},{"id":"421200","name":"咸宁"},{"id":"429004","name":"仙桃"},{"id":"430300","name":"湘潭"},{"id":"433100","name":"湘西土家族苗族自治州"},{"id":"532800","name":"西双版纳傣族自治州"},{"id":"610100","name":"西安"},{"id":"610400","name":"咸阳"},{"id":"630100","name":"西宁"}]},{"sortLetters":"Y","data":[{"id":"140300","name":"阳泉"},{"id":"140800","name":"运城"},{"id":"210800","name":"营口"},{"id":"222400","name":"延边朝鲜族自治州"},{"id":"230700","name":"伊春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