编辑滚动的问题

public/react/src/modules/courses/busyWork/NewWorkForm.js

@@ -70,10 +70,23 @@ class NewWorkForm extends Component{
           contentFileList,
           answerFileList,
         }, () => {
-          setTimeout(() => {
-            this.contentMdRef.current.setValue(data.description || '')
-            this.answerMdRef.current.setValue(data.reference_answer || '')
-          }, 2000)
+          // setTimeout(() => {
+          //   this._scrollToTop()
+            // 阻止setValue的滚动
+            // $(window).scroll( function() { 
+            //   $("html").scrollTop(0)
+            //   $(window).unbind("scroll");
+            // });
+            /**
+              setValue会调用到 codemirror的 o.scrollIntoView(i),  会导致滚动条跳动
+             */
+            // $('.editormd').parent().css('position', 'fixed').css('left', '-1000px')
+            // this.contentMdRef.current.setValue(data.description || '')
+            // this.answerMdRef.current.setValue(data.reference_answer || '')
+            // setTimeout(() => {
+            //     $('.editormd').parent().css('position', '').css('left', 'auto')
+            // }, 100);
+          // }, 500)
           
           this.props.form.setFieldsValue({
             title: data.name,
@@ -85,12 +98,13 @@ class NewWorkForm extends Component{
       } else { // new
 
       }
-    this._scrollToTop()
+    // this._scrollToTop()
   }
   _scrollToTop = () => {
-    setTimeout(() => {
-      $("html").animate({ scrollTop: 0 })
-    }, 1500)
+    // setTimeout(() => {
+      $("html").scrollTop(0)
+      // $("html").animate({ scrollTop: 0 })
+    // }, 1000)
   }
 
   // 输入title
@@ -303,15 +317,13 @@ class NewWorkForm extends Component{
     let{
       title_value, contentFileList, answerFileList, max_num, min_num, base_on_project,
       init_max_num, init_min_num, 
-      title_num, course_name, category, has_commit, has_project,
-
-      isEdit
+      title_num, course_name, category, has_commit, has_project
     }=this.state
     const { current_user } = this.props
 
     const courseId = this.state.course_id || this.props.match.params.coursesId ;    
-    
-    if ((isEdit) && !this.state.workLoaded) {
+    this.isEdit = this.isEdit || this.props.match.url.indexOf('/edit') != -1
+    if ((this.isEdit) && !this.state.description) {
       return ''
     } 
     const uploadProps = {
@@ -439,7 +451,8 @@ class NewWorkForm extends Component{
                   }],
                 })(
                   <TPMMDEditor ref={this.contentMdRef} placeholder="请在此输入作业内容和要求,最大限制5000个字符" mdID={'courseContentMD'} refreshTimeout={1500} 
-                    className="courseMessageMD" initValue={this.state.description}></TPMMDEditor>
+                    initValue={this.state.description} noSetValueOnInit={!!this.isEdit}
+                    className="courseMessageMD" ></TPMMDEditor>
                 )}
               </Form.Item> }
               <Upload {...uploadProps} className="upload_1 newWorkUpload">
@@ -507,7 +520,8 @@ class NewWorkForm extends Component{
                     }],
                   })(
                     <TPMMDEditor ref={this.answerMdRef} placeholder="请在此输入作业的参考答案,最大限制5000个字符" mdID={'workAnswerMD'} 
-                        className="courseMessageMD" refreshTimeout={1500} initValue={this.state.reference_answer || ''}></TPMMDEditor>
+                        initValue={this.state.reference_answer || ''} noSetValueOnInit={!!this.isEdit}
+                        className="courseMessageMD" refreshTimeout={1500} ></TPMMDEditor>
                   )}
                 </Form.Item>
                 <Upload {...answerUploadProps} className="upload_1 newWorkUpload resetNewWorkUpload">

public/react/src/modules/courses/common/CBreadcrumb.js

@@ -16,7 +16,7 @@ class CBreadcrumb extends Component{
             return ''
           }
           if (item.to) {
-            return <React.Fragment>
+            return <React.Fragment key={index}>
               <WordsBtn style="grey" className="fl hovercolorblue" to={item.to}>{item.name}</WordsBtn>
               {separator ? 
                 <span className="color-grey-9 fl ml3 mr3">{separator}</span> :
@@ -24,7 +24,7 @@ class CBreadcrumb extends Component{
               }
             </React.Fragment>
           } else {
-            return <span>{item.name}</span>
+            return <span key={index}>{item.name}</span>
           }
         })}
       </p>

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

@@ -236,19 +236,24 @@ export default class TPMMDEditor extends Component {
 
             setTimeout(() => {
                 if (that.props.needRecreate == true) {
-                    __editorName.recreate()
+                    __editorName.recreate() // 注意 必须在setValue之前触发，不然会清空
                 } else {
                     __editorName.resize()
                 }
                 console.log('timeout', __editorName.id)
                 __editorName.cm && __editorName.cm.refresh()
             }, that.props.refreshTimeout || 500)
-            if (that.props.initValue != undefined && that.props.initValue != '') {
-                __editorName.setValue(that.props.initValue)
-            }
-            if (that.state.initValue) {
-                __editorName.setValue(that.state.initValue)
+            if (this.props.noSetValueOnInit) {
+                that.onEditorChange()
+            } else {
+                if (that.props.initValue != undefined && that.props.initValue != '') {
+                    __editorName.setValue(that.props.initValue)
+                }
+                if (that.state.initValue) {
+                    __editorName.setValue(that.state.initValue)
+                }
             }
+            
             __editorName.cm.on("change", (_cm, changeObj) => {
                 that.contentChanged = true;
                 if (that.state.showError) {
@@ -277,6 +282,7 @@ export default class TPMMDEditor extends Component {
     onEditorChange = () => {
         if (!this.answers_editormd) return;
         const val = this.answers_editormd.getValue();
+        //console.log('onEditorChange', this.props.id, val)
         try {
             this.props.onChange && this.props.onChange(val)
         } catch(e) {