2022-06-15 20:06:32 +08:00

117 lines
4.0 KiB
TypeScript

import { ScrollView, View } from "@tarojs/components"
import React, { memo, ReactNode, useEffect, useRef, useState } from "react"
import styles from "./index.module.scss"
import classnames from "classnames";
import Taro, { useReady } from "@tarojs/taro";
import InfiniteScroll, {StatusParam} from "../infiniteScroll";
import LoadingCard from "../loadingCard";
type Params = {
list?: any[],
defaultValue?: number|string,
children?: ReactNode,
height?: string,
heightItem?: number,
sideBarOnClick?: (val:any) => void,
refresherTriggered?: true|false,
selfOnRefresherRefresh?: () => void
selfOnScrolltolower?: () => void,
hasMore?: true|false,
statusMore?: StatusParam
}
export default memo(({list = [],
defaultValue = 0,
height='100vh',
sideBarOnClick,
children,
heightItem = 100,
refresherTriggered = false,
selfOnRefresherRefresh,
selfOnScrolltolower,
hasMore = true,
statusMore = 0
}: Params) => {
let num_half = useRef(0)
const [selected, setSelected] = useState(defaultValue)
const [tabId, setTabId] = useState('')
useEffect(() => {
setSelected(defaultValue)
}, [defaultValue])
const init = () => {
const index = list?.findIndex(item => {
return item.id == defaultValue
})
if(index !== -1) {
computeSelectTab(index)
}
}
const clickEvent = ({item, index}: {item, index:number}) => {
setSelected(item.id)
sideBarOnClick?.(item)
computeSelectTab(index)
}
const computeSelectTab = (index) => {
if((index + 1) > num_half.current) {
let num = index + 1 - num_half.current
setTabId(list[num].id.toString())
} else {
setTabId(list[0].id.toString())
}
}
useReady(() => {
Taro.nextTick(() => {
let query = Taro.createSelectorQuery();
query.select('.side_bar_select').boundingClientRect(rect=>{
console.log('rect::',rect)
let clientHeight = rect.height;
let clientWidth = rect.width;
let ratio = 750 / clientWidth;
let height = clientHeight * ratio;
num_half.current = Math.ceil(height/2/heightItem)
init()
}).exec();
})
})
return (
<>
<View className={classnames(styles.sideBar_main,'side_bar_select')}>
<ScrollView scrollWithAnimation={true} style={{height}} className={styles.sideBar_select} scrollY scrollIntoView={`tab_${tabId}`}>
{
list?.map((item, index) => {
return(
<View
className={classnames(styles.sideBar_select_title, {[styles.sideBar_select_title_select]:(selected == item.id)})}
onClick={() => clickEvent({item, index})}
id={`tab_${item.id}`}
key={item.id}
style={{height:heightItem+'rpx'}}
>
<View className={styles.title_con}>
{item.name}
</View>
</View>
)
})
}
</ScrollView>
<View className={styles.sideBar_con}>
<InfiniteScroll statusMore={statusMore} hasMore={hasMore} selfonScrollToLower={() => selfOnScrolltolower?.()} refresherTriggered={refresherTriggered} refresherEnabled={true} selfOnRefresherRefresh={() => selfOnRefresherRefresh?.()}>
{children}
</InfiniteScroll>
</View>
</View>
</>
)
})