forked from Gitlink/forgeplus-react
581 lines
22 KiB
JavaScript
581 lines
22 KiB
JavaScript
import React, { Fragment, useEffect, useRef, useState } from 'react';
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import { getUploadActionUrl, getUrl } from 'educoder';
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import ResizeObserver from 'resize-observer-polyfill';
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import { getImageUrl } from 'educoder';
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import axios from 'axios';
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import '../../courses/css/Courses.css';
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import './css/TPMchallengesnew.css';
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import 'codemirror/lib/codemirror.css';
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import './css/newquestion.css';
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const $ = window.$
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const mdIcons = ["bold", "italic", "|", "list-ul", "list-ol", "|", "code", "code-block", "link", "|", "inline-latex", "latex", '|', "image", "table", '|', "line-break", "watch", "clear"];
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const NULL_CH = '▁';
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function md_add_data(k, mdu, d) {
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window.sessionStorage.setItem(k + mdu, d);
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}
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// 清空保存的数据
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function md_clear_data(k, mdu, id) {
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window.sessionStorage.removeItem(k + mdu);
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var id1 = "#e_tip_" + id;
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var id2 = "#e_tips_" + id;
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if (k == 'content') {
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$(id2).html(" ");
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} else {
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$(id1).html(" ");
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}
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}
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window.md_clear_data = md_clear_data
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function md_rec_data(k, mdu, id) {
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if (window.sessionStorage.getItem(k + mdu) !== null) {
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var editor = $("#e_tips_" + id).data('editor');
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editor.setValue(window.sessionStorage.getItem(k + mdu));
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// /shixuns/b5hjq9zm/challenges/3977/tab=3 setValue可能导致editor样式问题
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md_clear_data(k, mdu, id);
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}
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}
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window.md_rec_data = md_rec_data;
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function md_elocalStorage(editor, mdu, id) {
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let oc = window.sessionStorage.getItem('content' + mdu)
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if (oc !== null && oc !== editor.getValue()) {
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$("#e_tips_" + id).data('editor', editor);
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let h = '您上次有已保存的数据，是否<a style="cursor: pointer;" class="link-color-blue" onclick="md_rec_data(\'content\',\'' + mdu + '\',\'' + id + '\')">恢复</a> ? / <a style="cursor: pointer;" class="link-color-blue" onclick="md_clear_data(\'content\',\'' + mdu + '\',\'' + id + '\')">不恢复</a>';
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$("#e_tips_" + id).html(h)
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}
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let tid = setInterval(function () {
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let d = new Date();
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let h = d.getHours();
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let m = d.getMinutes();
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let s = d.getSeconds();
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h = h < 10 ? '0' + h : h;
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m = m < 10 ? '0' + m : m;
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s = s < 10 ? '0' + s : s;
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if (editor.getValue().trim() !== "") {
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md_add_data("content", mdu, editor.getValue());
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let id2 = "#e_tips_" + id;
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let textStart = " 数据已于 ";
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let text = textStart + h + ':' + m + ':' + s + " 保存 ";
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// 占位符
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let oldHtml = $(id2).html();
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if (oldHtml && oldHtml !== ' ' && oldHtml.startsWith(textStart) === false) {
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$(id2).html(oldHtml.split(' (')[0] + ` (${text})`);
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} else {
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$(id2).html(text);
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}
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}
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}, 10000)
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return tid
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}
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export default ({ mdID, onChange, onCMBeforeChange, onCMBlur, error = false, className = '', noStorage = false, imageExpand = true, placeholder = '', width = '100%', height = 400, initValue = '', emoji, watch, showNullButton = false, showResizeBar = false, startInit = true , forMember = true , isCanAtme = false , changeAtWhoLoginList, owner, projectsId }) => {
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const editorEl = useRef();
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const resizeBarEl = useRef();
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const [editorInstance, setEditorInstance] = useState();
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const [atWhoVisible, setAtWhoVisible] = useState(false);
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const [atWhoLoginListState, setAtWhoLoginListState] = useState([]);
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//调用member.json接口获取到的用户列表
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const [users, setUsers] = useState([]);
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//可以@的全部用户
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const [allUsers, setAllUsers] = useState([]);
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const atWhoLoginList = useRef([]);
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const atWhoVisibleRef = useRef(false);
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const containerId = `mdEditor_${mdID}`;
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const editorBodyId = `mdEditors_${mdID}`;
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const tipId = `e_tips_mdEditor_${mdID}`;
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useEffect(()=>{
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//请求members接口获取全部可@列表
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isCanAtme && axios.get(`/${owner}/${projectsId}/members.json`).then(response=>{
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if(response.data.total_count !== 0){
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setAllUsers(response.data.users);
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setUsers(response.data.users);
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}
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})
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//点击其他地方关闭弹框
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document.addEventListener('click',()=>{
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atWhoVisibleRef.current = false;
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setAtWhoVisible(false);
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})
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},[])
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function onLayout() {
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let ro;
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if (editorEl.current) {
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ro = new ResizeObserver(entries => {
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for (let entry of entries) {
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if (entry.target.offsetHeight > 0 || entry.target.offsetWidth > 0) {
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editorInstance.resize();
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editorInstance.cm.refresh();
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editorInstance.cm.focus();
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}
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}
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})
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ro.observe(editorEl.current);
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}
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return ro;
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}
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function selectAtWho(username){
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atWhoVisibleRef.current = false;
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setAtWhoVisible(false);
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const cm = editorInstance.cm;
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//获取鼠标所在行的行数和ch
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const cursor = cm.doc.getCursor();
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const line = cursor.line;//行
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const ch = cursor.ch;//列
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const startIndex = cm.getRange({line,ch:0},{line,ch}).lastIndexOf("@");
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let selectUserLogin = undefined;
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users.map((item)=>{
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item.username === username && (selectUserLogin = item.login);
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})
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//替换内容
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cm.replaceRange("[@"+username+"]"+`(/${selectUserLogin}) `,{line,ch:startIndex},{line,ch});
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//鼠标聚焦
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cm.focus();
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//将此user的login存储到atWhoLoginList集合中
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const list = new Set(atWhoLoginList.current);
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list.add(selectUserLogin);
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atWhoLoginList.current = Array.from(list);
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setAtWhoLoginListState(Array.from(list));
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}
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function onMouseOver(key){
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document.getElementsByClassName("at_who active")[0] && (document.getElementsByClassName("at_who active")[0].className="at_who");
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document.getElementsByClassName("at_who")[key] && (document.getElementsByClassName("at_who")[key].className="at_who active");
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}
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//markdown编辑器中输入的键盘监听事件
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function mdKeyDown(e){
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if (e.shiftKey && e.code === "Digit2") {
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// 输入@键后在对应的位置显示可选的项目成员
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atWhoVisibleRef.current = true;
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setAtWhoVisible(true);
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//获取光标位置
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const cssStyle = document.getElementsByClassName("CodeMirror cm-s-default CodeMirror-wrap")[0].firstChild.style;
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//设置弹框位置
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const newTop = placeholder === "添加评论..." ? 159: placeholder === "请输入合并请求的描述..." ? 172:62;
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const newLeft = placeholder === "添加评论..." ? 80: 20;
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document.getElementById("at_who_list").style.top = parseInt(cssStyle.getPropertyValue("top").replace("px","")) + newTop +"px";
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document.getElementById("at_who_list").style.left = parseInt(cssStyle.getPropertyValue("left").replace("px",""))+newLeft+"px";
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}
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//处理本来@了某人 -> 删掉 -> 撤回 的情况
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if(e.ctrlKey && e.code === "KeyZ" && allUsers.length != 0){
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const codemirror = editorInstance.cm;
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let value = codemirror.getValue();
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//处理初始内容就自带@谁的情况
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if(initValue){
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const del = [];
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allUsers.map(item=>{
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if(initValue.indexOf(item.username)!=-1 && initValue.charAt(initValue.indexOf(item.username)-1) === "@" && initValue.indexOf(`@${item.username}`)===value.indexOf(`@${item.username}`)){
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//初始内容中有符合@+名字的格式并且当前内容未删除初始内容
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del[del.length] = `[@${item.username}](/${item.login})`;
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}
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})
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del.length!=0 && del.map(str=>{
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value = value.replace(str,"");
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})
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}
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//判断value是否包含@符号
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value.indexOf("@") != -1 && allUsers.map(item =>{
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if(value.indexOf(item.username)!=-1 && value.charAt(value.indexOf(item.username)-1) ==="@"){
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//将此user的login存储到atWhoLoginList集合中
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const list = new Set(atWhoLoginList.current);
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list.add(item.login);
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atWhoLoginList.current = Array.from(list);
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setAtWhoLoginListState(Array.from(list));
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}
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})
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}
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}
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useEffect(()=>{
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changeAtWhoLoginList && changeAtWhoLoginList(atWhoLoginListState);
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},[atWhoLoginListState])
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const atWhoList = (
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<div className="at_who_list" id="at_who_list" >
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{users && users.map((item,key)=>{
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return(
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<div key={key} className={`at_who ${key===0 && `active`}`} onClick={()=>{selectAtWho(item.username)}} onMouseOver={()=>{onMouseOver(key)}}>
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{item.image_url && <img src={getImageUrl(`/${item.image_url}`)}></img>}
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<span>{item.username}</span>
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</div>
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)
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})}
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</div>
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)
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useEffect(() => {
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if (editorInstance) {
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return
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}
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if (!startInit) { return }
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const editor_instance = window.editormd(containerId, {
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width,
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height,
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path: getUrl("/editormd/lib/"),
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markdown: initValue,
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syncScrolling: "single",
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tex: true,
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tocm: true,
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emoji: !!emoji,
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taskList: true,
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codeFold: true,
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searchReplace: true,
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htmlDecode: "style,script,iframe",
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sequenceDiagram: true,
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autoFocus: false,
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watch: watch === undefined ? true : watch,
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saveHTMLToTextarea: true,
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dialogMaskOpacity: 0.6,
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placeholder: placeholder,
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imageUpload: true,
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imageFormats: ["jpg", "jpeg", "gif", "png", "bmp", "webp", "JPG", "JPEG", "GIF", "PNG", "BMP", "WEBP"],
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imageUploadURL: getUploadActionUrl(),
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toolbarIcons: function () {
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return showNullButton ? [...mdIcons, 'null-button'] : mdIcons
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},
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toolbarIconsClass: {
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"line-break": "fa-minus",
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"fullScreen":"iconfont icon-fangdaicon font-14"
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},
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toolbarCustomIcons: {
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"inline-latex": "<a title='行内公式' class='latex' ><i name='inline-latex' class='fa iconfont icon-hangneigongshi font-14'></i></a>",
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"latex": "<a title='多行公式' class='latex' ><i name='latex' class='fa iconfont icon-duohanggongshi font-16'></i></a>",
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"null-button": "<a class='pr' title='增加填空'><i class='border-left'><span></span></i><span name='null-button' class='fa fillTip'>点击插入填空项</span><i class='iconfont fa icon-edit font-16' name='null-button'></i></a>",
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},
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toolbarHandlers: {
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"line-break": function (cm, icon, cursor, selection) {
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cm.replaceSelection("<br/>")
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},
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"null-button": function (cm, icon, cursor, selection) {
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if (selection === "") {
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cm.setCursor(cursor.line, cursor.ch + 1)
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}
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cm.replaceSelection(NULL_CH)
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},
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"fullScreen":function(cm,icon,cursor,selection){
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icon.addClass("none");
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console.log(cm,icon)
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},
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"inline-latex": function (cm, icon, cursor, selection) {
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cm.replaceSelection("$$" + selection + "$$");
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cm.setCursor(cursor.line, cursor.ch + 2);
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cm.focus()
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},
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"latex": function (cm, icon, cursor, selection) {
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cm.replaceSelection("```latex\n\n" + selection + "```");
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cm.setCursor(cursor.line + 1, 0);
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cm.focus()
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},
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},
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lang: {
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toolbar: {
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"latex": "多行公式",
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"line-break": "换行",
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"fullScreen":"开启全屏"
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}
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},
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onload: function () {
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setEditorInstance(this)
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}
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})
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}, [containerId, editorInstance, startInit])
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const cmEl = editorInstance && editorInstance.cm
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useEffect(()=>{
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if(atWhoVisibleRef.current){
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// 添加上下键、enter键监听事件
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cmEl.addKeyMap({
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'Up':()=>{
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const atWhoListDiv = document.getElementById("at_who_list");
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const atWhoDivs = document.getElementsByClassName("at_who");
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let index;
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for(let i = 0; i<atWhoDivs.length;i++){
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atWhoDivs[i].className === "at_who active" && (index = i);
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}
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if(index>0){
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index <=atWhoDivs.length-4 && (atWhoListDiv.scrollTop -=40)
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atWhoDivs[index].className = "at_who";
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atWhoDivs[index-1].className = "at_who active";
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}
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},
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'Down':()=>{
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const atWhoListDiv = document.getElementById("at_who_list");
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const atWhoDivs = document.getElementsByClassName("at_who");
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let index;
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for(let i = 0; i<atWhoDivs.length;i++){
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atWhoDivs[i].className === "at_who active" && (index = i);
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}
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if(index<atWhoDivs.length-1){
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index >=3 && (atWhoListDiv.scrollTop +=40)
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atWhoDivs[index].className = "at_who";
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atWhoDivs[index+1].className = "at_who active";
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}
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},
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'Enter':()=>{
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//找到classname为at_who active的div，执行click事件
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if(document.getElementsByClassName("at_who active")[0]){
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document.getElementsByClassName("at_who active")[0].click()
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}else{
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const cm = editorInstance.cm;
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const cursor = cm.doc.getCursor();
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const line = cursor.line;//行
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const ch = cursor.ch;//列
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//添加换行
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cm.replaceRange("\n",{line,ch},{line,ch});
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setAtWhoVisible(false);
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atWhoVisibleRef.current = false;
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}
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}
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})
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} else {
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//移除上下、enter键监听
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cmEl && cmEl.removeKeyMap();
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}
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},[atWhoVisible])
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useEffect(()=>{
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//当users数组发生变化时改变框的位置
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if(atWhoVisibleRef.current && users){
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//获取光标位置
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const cssStyle = document.getElementsByClassName("CodeMirror cm-s-default CodeMirror-wrap")[0].firstChild.style;
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//设置弹框位置
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const newLeft = placeholder === "添加评论..."? 80: 10;
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document.getElementById("at_who_list").style.left = (parseInt(cssStyle.getPropertyValue("left").replace("px",""))+newLeft)+"px";
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}
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},[users])
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useEffect(() => {
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if (cmEl) {
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let tid = null
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let ro
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if (onCMBlur) {
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editorInstance.cm.on('blur', () => { onCMBlur(editorInstance.getValue()) })
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}
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if (onCMBeforeChange) {
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editorInstance.cm.on('beforeChange', (cm, change) => {
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onCMBeforeChange(cm, change)
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})
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}
|
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if (!noStorage) {
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tid = md_elocalStorage(editorInstance, `MDEditor__${containerId}`, containerId)
|
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}
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//isCanAtme:只有issue和合并请求以及评论部分可以@他人操作
|
||
//绑定@事件
|
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isCanAtme && editorInstance.cm.on("focus", () => {
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document.addEventListener("keydown", mdKeyDown);
|
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});
|
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isCanAtme && editorInstance.cm.on("blur", () => {
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document.removeEventListener("keydown",mdKeyDown);
|
||
});
|
||
editorInstance.cm.on("change", (cm) => {
|
||
//调用父组件的onchange方法，将输入内容传入父级组件
|
||
onChange && onChange(cm.getValue());
|
||
if(atWhoVisibleRef.current){
|
||
//搜索用户(弹框之后用户输入用户名信息)
|
||
const cur = cm.doc.getCursor();
|
||
const line = cur.line;
|
||
const ch = cur.ch;
|
||
let rangeCont = cmEl.getRange({line,ch:0},{line,ch});
|
||
//处理已经弹出列表框，但用户删除@符号
|
||
if(rangeCont.indexOf("@")===-1){
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||
setAtWhoVisible(false);
|
||
atWhoVisibleRef.current = false;
|
||
}else{
|
||
rangeCont = rangeCont.substring(rangeCont.lastIndexOf("@")+1);
|
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rangeCont ? axios.get(`/${owner}/${projectsId}/members.json`,{
|
||
params: {
|
||
search: rangeCont,
|
||
},
|
||
}).then(response=>{
|
||
if(response && response.data && response.data.total_count !== 0){
|
||
setUsers(response.data.users);
|
||
}else{
|
||
setUsers(undefined);
|
||
}
|
||
}):setUsers(allUsers)
|
||
}
|
||
}
|
||
|
||
//当内容发生改变并且有已@列表时
|
||
if(atWhoLoginList.current.length != 0){
|
||
const codemirror = editorInstance.cm;
|
||
//startValue：触发change方法时的内容，value：处理了初始内容带@用户的情况
|
||
let startValue = codemirror.getValue();
|
||
let value = codemirror.getValue();
|
||
//处理初始内容就自带@谁的情况
|
||
if(initValue){
|
||
const del = [];
|
||
allUsers.map(item=>{
|
||
if(initValue.indexOf(item.username)!=-1 && initValue.charAt(initValue.indexOf(item.username)-1) === "@" && initValue.indexOf(`@${item.username}`)===value.indexOf(`@${item.username}`)){
|
||
//初始内容中有符合@+名字的格式并且当前内容未删除初始内容
|
||
del[del.length] = `[@${item.username}](/${item.login})`;
|
||
}
|
||
})
|
||
del.length!=0 && del.map(str=>{
|
||
value = value.replace(str,"");
|
||
})
|
||
}
|
||
//以username为主键，login为value的map集合
|
||
let atWhoMap = new Map();
|
||
Array.from(atWhoLoginList.current).map(item=>{
|
||
allUsers.map(i=>{
|
||
if(i.login === item){
|
||
atWhoMap.set(i.username,i.login);
|
||
}
|
||
})
|
||
});
|
||
const cursor = codemirror.doc.getCursor();
|
||
const line = cursor.line;
|
||
const ch = cursor.ch;
|
||
//处理全部内容中不包含“@”的情况
|
||
if(value.indexOf("@") === -1){
|
||
//markdown嵌套的链接删掉
|
||
// Array.from(atWhoMap.keys()).map(username=>{
|
||
// startValue = startValue.replaceAll(`[${username}](/${atWhoMap.get(username)}) `,username);
|
||
// })
|
||
//替换全部内容
|
||
// codemirror.setValue(startValue);
|
||
//全部内容已经有要@的列表，但是没有@符号 -> 清空@集合
|
||
atWhoLoginList.current = [];
|
||
setAtWhoLoginListState([]);
|
||
}
|
||
|
||
//截取第一个字符到光标的内容
|
||
const curAfterCont = codemirror.getRange({line,ch:0},{line,ch});
|
||
const content = codemirror.getLine(line);
|
||
//处理光标所在行 有“@”的情况
|
||
if(content && content.indexOf("@") !== -1){
|
||
Array.from(atWhoMap.keys()).map(username=>{
|
||
//判断content是不是以列表中的某个username结尾
|
||
const userCont = `[@${username}](/${atWhoMap.get(username)})`;
|
||
//删除空格->选中@用户区域
|
||
if(curAfterCont.endsWith(userCont)){
|
||
codemirror.setSelection({line,ch:curAfterCont.lastIndexOf("@")-1},{line,ch});
|
||
}
|
||
//处理已经有@列表但是value中不包含完整[@用户名](/login)的情况
|
||
if(value.indexOf(userCont)===-1){
|
||
// //markdown嵌套的链接删掉,删[]、()的情况不用处理，markdown会自动认为不是链接
|
||
// //找到[和)的index，将区域内容替换成[]包裹的内容
|
||
// //光标之后的内容
|
||
// const curLeterCont = codemirror.getRange({line,ch},{line,ch:content.length});
|
||
// console.log('光标之后的内容curLeterCont',curLeterCont);
|
||
// //删除用户名 -> ]在curLeterCont中
|
||
// //删除login -> ]在curAfterCont中
|
||
// const a = curAfterCont.lastIndexOf('[');
|
||
// const b = curLeterCont.indexOf(')')
|
||
// const c = curLeterCont.indexOf(']') === -1 ? curAfterCont.lastIndexOf(']') : curLeterCont.indexOf(']')+curAfterCont.length;
|
||
// console.log('[',a,')',b,']',c);
|
||
// const newCont = codemirror.getRange({line,ch:a+1},{line,ch:c});
|
||
// console.log('newCont',newCont);
|
||
// codemirror.replaceRange(newCont,{line,ch:a-1},{line,ch:b+curAfterCont.length+1})
|
||
|
||
//符合情况->踢掉这个人 不给他发消息
|
||
const list = new Set(atWhoLoginList.current);
|
||
list.delete(atWhoMap.get(username));
|
||
atWhoLoginList.current = Array.from(list);
|
||
setAtWhoLoginListState(Array.from(list));
|
||
}
|
||
})
|
||
}else{
|
||
//处理所在行没有“@”的情况
|
||
Array.from(atWhoMap.keys()).map(username=>{
|
||
const userCont = `[@${username}](/${atWhoMap.get(username)})`;
|
||
if(value.indexOf(userCont)===-1){
|
||
//符合情况->踢掉这个人 不给他发消息
|
||
const list = new Set(atWhoLoginList.current);
|
||
list.delete(atWhoMap.get(username));
|
||
atWhoLoginList.current = Array.from(list);
|
||
setAtWhoLoginListState(Array.from(list));
|
||
}
|
||
})
|
||
}
|
||
}
|
||
});
|
||
ro = onLayout()
|
||
return () => {
|
||
if (!noStorage) {
|
||
clearInterval(tid)
|
||
}
|
||
if (ro) {
|
||
ro.unobserve(editorEl.current)
|
||
}
|
||
}
|
||
}
|
||
}, [cmEl])
|
||
|
||
useEffect(() => {
|
||
if (editorInstance && initValue !== undefined) {
|
||
if (initValue !== null && initValue !== editorInstance.getValue()) {
|
||
editorInstance.setValue(initValue.toString())
|
||
}
|
||
}
|
||
}, [editorInstance, initValue, containerId])
|
||
|
||
useEffect(() => {
|
||
if (resizeBarEl.current) {
|
||
let el = resizeBarEl.current
|
||
let dragging = false
|
||
let startY = 0
|
||
function onMouseDown(e) {
|
||
dragging = true
|
||
startY = e.pageY
|
||
}
|
||
function onMouseUp() {
|
||
dragging = false
|
||
}
|
||
function onMouseMove(e) {
|
||
if (dragging) {
|
||
let delta = e.pageY - startY
|
||
if (delta < 0) {
|
||
delta = 0
|
||
}
|
||
if (delta > 300) {
|
||
delta = 300
|
||
}
|
||
let resizeH = height + delta + 'px'
|
||
editorInstance.resize('', resizeH)
|
||
}
|
||
}
|
||
el.addEventListener('mousedown', onMouseDown)
|
||
document.addEventListener('mousemove', onMouseMove)
|
||
document.addEventListener('mouseup', onMouseUp)
|
||
return () => {
|
||
el.removeEventListener('mousedown', onMouseDown)
|
||
document.removeEventListener('mousemove', onMouseMove)
|
||
document.removeEventListener('mouseup', onMouseUp)
|
||
}
|
||
}
|
||
}, [
|
||
editorInstance, resizeBarEl
|
||
])
|
||
|
||
return (
|
||
<Fragment>
|
||
{atWhoVisible && atWhoList}
|
||
<div ref={editorEl} className={`df ${className} ${imageExpand && 'editormd-image-click-expand'} `}>
|
||
<div className={`edu-back-greyf5 radius4 editormd ${error ? 'error' : ''}`} id={containerId} >
|
||
<textarea style={{ display: 'none' }} id={editorBodyId} name="content"></textarea>
|
||
<div className="CodeMirror cm-s-defualt"></div>
|
||
</div>
|
||
</div>
|
||
{showResizeBar ? <a ref={resizeBarEl} className='editor-resize'></a> : null}
|
||
<div className={"fr rememberTip"}>
|
||
{noStorage === true ? null : <div id={tipId} className="edu-txt-right color-grey-cd font-12"></div>}
|
||
</div>
|
||
</Fragment>
|
||
)
|
||
} |