md编辑器增加br

public/react/src/modules/tpm/challengesnew/TPMMDEditor.js

@@ -1,34 +1,16 @@
 import React, { Component } from 'react';
 
-import {Input, Select, Radio, Checkbox, Popconfirm, message, Modal} from 'antd';
+import { getUploadActionUrl, getUrl } from 'educoder';
-
-import {BrowserRouter as Router, Route, Link, Switch} from "react-router-dom";
-
-// import "antd/dist/antd.css";
-
-import { getImageUrl, getUploadActionUrl, getUrl } from 'educoder';
 import '../../courses/css/Courses.css'
 
-import axios from 'axios';
-
 import './css/TPMchallengesnew.css';
 require('codemirror/lib/codemirror.css');
 
-let origin = getUrl();
 
 let path = '/editormd/lib/'
 path = getUrl("/editormd/lib/")
 const $ = window.$;
 
-let timeout;
-
-let currentValue;
-
-const Option = Select.Option;
-
-const RadioGroup = Radio.Group;
-
-
 
 // 保存数据
 function md_add_data(k, mdu, d) {
@@ -107,7 +89,7 @@ function create_editorMD(id, width, high, placeholder, imageUrl, callback, initV
     var editorName = window.editormd(id, {
         width: width,
         height: high === undefined ? 400 : high,
-        path: path,   // "/editormd/lib/"
+        path: getUrl("/editormd/lib/"),   // "/editormd/lib/"
         markdown: initValue,
 
         dialogLockScreen: false,
@@ -123,21 +105,35 @@ function create_editorMD(id, width, high, placeholder, imageUrl, callback, initV
         sequenceDiagram: true,
         autoFocus: false,
 
-        // mine
-        
         toolbarIcons: function (mdEditor) {
             let react_id = `react_${mdEditor.id}`;
             const __that = window[react_id]
-
-            // Or return editormd.toolbarModes[name]; // full, simple, mini
             // Using "||" set icons align right.
-            const icons = ["bold", "italic", "|", "list-ul", "list-ol", "|", "code", "code-block", "link", "|", "testIcon", "testIcon1", '|', "image", "table", '|', "watch", "clear"];
+            const icons = ["bold", "italic", "|", "list-ul", "list-ol", "|", "code", "code-block", "link", "|", "testIcon", "testIcon1", '|', "image", "table", '|', "line-break", "watch", "clear"];
             // 试卷处用到的填空题新增按钮
             if (__that.props.showNullButton) {
                 icons.push('nullBtton')
             }
             return icons
         },
+        toolbarIconsClass: {
+            "line-break": "fa-minus"
+        },
+        toolbarHandlers: {
+            /**
+             * @param {Object}      cm         CodeMirror对象
+             * @param {Object}      icon       图标按钮jQuery元素对象
+             * @param {Object}      cursor     CodeMirror的光标对象，可获取光标所在行和位置
+             * @param {String}      selection  编辑器选中的文本
+             */
+            "line-break": function (cm, icon, cursor, selection) {
+                // 如果当前没有选中的文本，将光标移到要输入的位置
+                if (selection === "") {
+                    cm.setCursor(cursor.line, cursor.ch + 1)
+                }
+                cm.replaceSelection("<br/>");
+            }
+        },
         toolbarCustomIcons: {
             testIcon: "<a type=\"inline\" class=\"latex\" ><div class='zbg'></div></a>",
             testIcon1: "<a type=\"latex\" class=\"latex\" ><div class='zbg_latex'></div></a>",
@@ -157,9 +153,6 @@ function create_editorMD(id, width, high, placeholder, imageUrl, callback, initV
             let _editorName = this;
             let react_id = `react_${_editorName.id}`;
             const __that = window[react_id]
-            
-            // this.previewing();
-            // let _id = id;
             $("#" + _id + " [type=\"latex\"]").bind("click", function () {
                 _editorName.cm.replaceSelection("```latex");
                 _editorName.cm.replaceSelection("\n");
@@ -180,19 +173,12 @@ function create_editorMD(id, width, high, placeholder, imageUrl, callback, initV
 
             if (__that.props.showNullButton) {
                 const NULL_CH = '▁'
-                // const NULL_CH = '〇'
-                // const NULL_CH = '🈳'
-                
                 $("#" + _id + " [type=\"nullBtton\"]").bind("click", function () {
                     _editorName.cm.replaceSelection(NULL_CH);
-                    // var __Cursor = _editorName.cm.getDoc().getCursor();
-                    // _editorName.cm.setCursor(__Cursor.line - 1, 0);
                 });
             }
 
-            if (noStorage == true) {
+            if (!noStorage == true) {
-
-            } else {
                 md_elocalStorage(_editorName, `MDEditor__${_id}`, _id);
             }