feat: 刷题页面
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秋水浮尘
362
src/components/category-list/index.jsx
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362
src/components/category-list/index.jsx
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@@ -0,0 +1,362 @@
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import React, { Component, Fragment } from 'react';
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import {
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RightOutlined,
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UpOutlined,
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DownOutlined,
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CaretDownOutlined,
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CaretUpOutlined,
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} from '@ant-design/icons';
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import req from '@utils/request';
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import { Divider } from 'antd';
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import _ from 'lodash';
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import './index.less';
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import { apiName, imgObject } from './constant';
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/**
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* 大分类中的背景图
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*/
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export const categoryBackImg = {
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0: imgObject.backAllImg,
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1: imgObject.dataImg,
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2: imgObject.javaImg,
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3: imgObject.npmImg,
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4: imgObject.parallelComputingImg,
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5: imgObject.springbootImg,
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6: imgObject.sqlImg,
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7: imgObject.systemDesignImg,
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8: imgObject.algorithmImg,
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};
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const categoryShowCount = 4;
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export default class CategoryList extends Component {
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constructor(props) {
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super(props);
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this.state = {
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secondCategoryList: [],
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currentActive: '',
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isPutAway: true, // 是否收起 默认收起状态
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};
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}
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componentDidMount() {
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// this.initCategoryList();
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}
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/**
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* 初始化数据，默认选择第一个
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*/
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initCategoryList() {
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const { categoryList, primaryCategoryId } = this.props;
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let currentActive = primaryCategoryId ?? categoryList[0].primaryCategoryId;
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this.props.onChangeCategory(currentActive);
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this.getSecondCategoryList(currentActive);
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}
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/**
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* 获得二级三级分类数据
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*/
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getSecondCategoryList(currentActive) {
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const { categoryListMap } = this.props;
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// 调用接口返回二级三级数据
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let params = {
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primaryCategoryId: currentActive,
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subjectTypeList: [4],
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};
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req({
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method: 'post',
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data: params,
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url: apiName.getCategoryLabelInfo,
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})
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.then((res) => {
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if (res.data && res.data.length > 0) {
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let secondCategoryList = res.data;
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let listLen =
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categoryListMap &&
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categoryListMap[currentActive] &&
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categoryListMap[currentActive].length;
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let objActive = {};
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listLen > 0 &&
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categoryListMap &&
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categoryListMap[currentActive] &&
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categoryListMap[currentActive].forEach((item) => {
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objActive[item] = item;
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});
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secondCategoryList.forEach((categoryItem) => {
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categoryItem.labelInfoList.forEach((item) => {
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if (listLen > 0 && objActive[item.assembleId]) {
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item.active = true;
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} else {
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item.active = false;
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}
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});
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categoryItem.isOpen = false;
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});
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this.setState(
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{
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secondCategoryList,
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currentActive,
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},
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() => {
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let activeList = [];
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secondCategoryList.forEach((categoryItem) => {
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categoryItem.labelInfoList.forEach((item) => {
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if (item.active) {
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activeList.push(item.assembleId);
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}
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});
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});
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secondCategoryList.forEach((item, index) => {
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let height = document.getElementById('id_' + index)?.scrollHeight;
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let displayHeight = height > 43 ? 'flex' : 'none';
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!this.props.isHideSec &&
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(document.getElementById('second_id_' + index).style.display =
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displayHeight);
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});
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}
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);
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}
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})
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.catch((err) => console.log(err));
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}
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/**
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* 切换一级分类
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* @param {*} item
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* @returns
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*/
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onChangeCategory = (primaryCategoryId) => () => {
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let { currentActive } = this.state;
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if (currentActive === primaryCategoryId) {
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return;
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}
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this.props.isHideSec &&
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this.setState({
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currentActive: primaryCategoryId,
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});
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this.props.onChangeCategory(primaryCategoryId);
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!this.props.isHideSec && this.getSecondCategoryList(primaryCategoryId);
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};
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/**
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* 选择标签-支持单选（多选）
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* @param {*} categoryId 一级分类id
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* @param {*} childrenLevelList 二级分类对象的标签列表
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* @param {*} secondCategoryIndex 二级分类对象index
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* @param {*} thirdCategoryIndex 三级标签index
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* @param {*} active 三级标签当前的选中状态
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* @returns
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*/
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onChangeLabel = (childrenLevelList, secondCategoryIndex, thirdCategoryIndex, active) => () => {
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let { secondCategoryList, currentActive } = this.state;
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const { isMultipleChoice } = this.props;
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if (isMultipleChoice) {
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// 三级标签支持多选
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_.set(childrenLevelList, [thirdCategoryIndex, 'active'], !active);
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_.set(secondCategoryList, [secondCategoryIndex, 'labelInfoList'], childrenLevelList);
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} else {
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// 三级标签支持单选
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let formatLabelList = childrenLevelList.map((item, index) => {
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let flag = false;
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if (index === thirdCategoryIndex) {
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flag = !active; // 将三级标签设置选中/未选中
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}
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return {
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...item,
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active: flag,
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};
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});
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_.set(secondCategoryList, [secondCategoryIndex, 'labelInfoList'], formatLabelList);
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}
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this.setState(
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{
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secondCategoryList,
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},
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() => {
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let activeList = [];
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secondCategoryList.forEach((categoryItem) => {
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categoryItem.labelInfoList.forEach((item) => {
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if (item.active) {
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activeList.push(item.assembleId);
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}
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});
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});
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this.props.onChangeLabel(currentActive, activeList);
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}
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);
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};
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/**
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* 展开/收起
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* @param {*} secondCategoryIndex
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* @returns
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*/
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onChangeOpenStatus = (secondCategoryIndex, isOpen) => () => {
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let { secondCategoryList } = this.state;
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_.set(secondCategoryList, [secondCategoryIndex, 'isOpen'], !isOpen);
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this.setState({
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secondCategoryList,
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});
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};
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/**
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* 展开/收起
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*/
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onChangePutAway = () => {
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let { isPutAway } = this.state;
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this.setState({
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isPutAway: !isPutAway,
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});
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};
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render() {
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const { categoryList } = this.props;
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const { secondCategoryList } = this.state;
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return (
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<div className="category-box">
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<Fragment>{categoryList?.length > 0 && this.renderFirstContainer()}</Fragment>
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{!this.props.isHideSec && (
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<Fragment>
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{secondCategoryList?.length > 0 && this.renderSecondContainer()}
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</Fragment>
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)}
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</div>
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);
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}
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/**
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* 一级分类模块
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* @returns
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*/
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renderFirstContainer = () => {
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const { categoryList } = this.props;
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const { currentActive } = this.state;
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return (
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<div className="first-category-list">
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{categoryList.slice(0, 7).map((categoryModuleItem, categoryModuleIndex) => {
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return (
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<div
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className={`first-category-item ${categoryModuleItem.primaryCategoryId === currentActive &&
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'first-category-item-active'
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}`}
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key={`first_category_${categoryModuleItem.primaryCategoryId}`}
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style={{
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backgroundImage: `url(${categoryBackImg[categoryModuleIndex]})`,
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}}
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onClick={this.onChangeCategory(categoryModuleItem.primaryCategoryId)}>
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<div className="first-category-item-title">
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{categoryModuleItem.levelName}
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</div>
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<div className="first-category-item-count">
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{categoryModuleItem.count}道题
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</div>
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</div>
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);
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})}
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{categoryList.length > 7 && (
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<div className="first-category-more">
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更多
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<RightOutlined />
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</div>
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)}
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</div>
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);
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};
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/**
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* 二级分类模块
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* @returns
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*/
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renderSecondContainer = () => {
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const { secondCategoryList, isPutAway } = this.state;
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return (
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<div className="second-category-list">
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{secondCategoryList.map((secondCategoryItem, secondCategoryIndex) => {
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return (
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<div
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style={{
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display:
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secondCategoryIndex >= categoryShowCount && isPutAway
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? 'none'
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: 'flex',
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}}
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className="second-category-item"
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key={`second_category_${secondCategoryItem.categoryId}`}>
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<div className="second-category-item-title">
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{secondCategoryItem.categoryName}：
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</div>
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{secondCategoryItem?.labelInfoList?.length > 0 && (
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<div className="second-category-item-box">
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<div
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style={{
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height: secondCategoryItem.isOpen ? 'auto' : 43,
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}}
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className="second-category-item-list"
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id={`id_${secondCategoryIndex}`}>
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{secondCategoryItem.labelInfoList.map(
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(thirdCategoryItem, thirdCategoryIndex) => {
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return (
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<div
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className={`third-category-item ${thirdCategoryItem.active
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? 'third-category-item-active'
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: ''
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}`}
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key={`third_category_${thirdCategoryItem.id}`}
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onClick={this.onChangeLabel(
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secondCategoryItem.labelInfoList,
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secondCategoryIndex,
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thirdCategoryIndex,
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thirdCategoryItem.active
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)}>
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{thirdCategoryItem.labelName}·
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{thirdCategoryItem.subjectCount}
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</div>
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);
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}
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)}
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</div>
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<div
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id={`second_id_${secondCategoryIndex}`}
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className="second-category-item-status"
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onClick={this.onChangeOpenStatus(
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secondCategoryIndex,
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secondCategoryItem.isOpen
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)}>
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<div className="second-category-item-type" style={{ fontSize: 12 }}>
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{secondCategoryItem.isOpen ? '收起' : '展开'}
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</div>
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<div className="second-category-item-icon" style={{ fontSize: 12 }}>
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{secondCategoryItem.isOpen ? (
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<UpOutlined />
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) : (
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<DownOutlined />
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)}
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</div>
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</div>
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</div>
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)}
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</div>
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);
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})}
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{secondCategoryList?.length >= categoryShowCount && (
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<Divider
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onClick={this.onChangePutAway}
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dashed
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style={{
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marginTop: 10,
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fontSize: 13,
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}}>
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{isPutAway ? '展开' : '收起'}
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{isPutAway ? (
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<CaretDownOutlined style={{ marginLeft: 4 }} />
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) : (
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<CaretUpOutlined style={{ marginLeft: 4 }} />
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)}
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</Divider>
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)}
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</div>
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);
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};
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}
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