106 lines
2.9 KiB
JavaScript
106 lines
2.9 KiB
JavaScript
import { View, TouchableOpacity, Image } from "react-native";
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import React, { useState, useEffect } from "react";
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import { useTailwind } from "tailwind-rn";
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import { Icon } from "@rneui/themed";
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import MediaPickerModal from "../MediaPickerModal";
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import Toast from "react-native-toast-message";
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/*
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props格式：
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type 选择的媒体类型 "image"|"video"|"mix"
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maxCount 最大选择数量
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setAssets 向父组件返回媒体
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*/
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export default function MediaPicker({ maxCount, type, setAssets }) {
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const tailwind = useTailwind();
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const [modalVisible, setModalVisible] = useState(false);
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const [newAssets, setNewAssets] = useState([]);
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const [_assets, set_Assets] = useState([]);
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//当newAssets改变的时候添加新数据到assets
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useEffect(() => {
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set_Assets([..._assets, ...newAssets]);
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setAssets([..._assets, ...newAssets]);
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}, [newAssets]);
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//加号选择器
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const Picker = () => {
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return (
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<TouchableOpacity
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onPress={() => {
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//数量检查
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maxCount - _assets.length !== 0
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? setModalVisible(!modalVisible)
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: Toast.show({
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type: "error",
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text1: `已达到最大选择数量`,
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topOffset: 60,
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});
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}}
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style={{
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aspectRatio: 1,
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...tailwind("w-1/4 p-1"),
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}}
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>
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<View
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style={tailwind(
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"border border-dashed border-gray-400 rounded-lg flex-1 justify-center items-center"
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)}
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>
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<Icon type="ionicon" name="add" color="#9ca3af" size={40} />
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</View>
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</TouchableOpacity>
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);
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};
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//展示已选择媒体
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const DisplayMedia = ({ asset, index }) => {
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const handleDelete = () => {
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const updatedAssets = [..._assets];
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updatedAssets.splice(index, 1);
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set_Assets(updatedAssets);
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setAssets(updatedAssets);
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};
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return (
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<View
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style={{
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aspectRatio: 1,
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...tailwind("w-1/4 p-1"),
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}}
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>
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<Image
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src={asset.old_uri}
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style={tailwind("w-full h-full rounded-lg")}
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/>
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<View style={tailwind("absolute top-2 right-2")}>
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<Icon
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type="ionicon"
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name="close"
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color="white"
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size={18}
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onPress={handleDelete}
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style={tailwind("bg-black rounded-full opacity-70")}
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/>
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</View>
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</View>
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);
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};
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return (
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<View style={tailwind("flex flex-row flex-wrap")}>
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{_assets.map((asset, index) => (
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<DisplayMedia key={index} asset={asset} index={index} />
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))}
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<Picker />
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<MediaPickerModal
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visible={modalVisible}
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setVisible={setModalVisible}
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type={type}
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maxCount={maxCount - _assets.length}
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setAssets={setNewAssets}
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/>
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</View>
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);
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}
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