fix:拖拽限制级数bug修复

src/modules/teach-tool/QuestionCategoryManage.jsx

@@ -2,7 +2,7 @@
  * @Author: yuananting
  * @Date: 2021-02-23 18:28:50
  * @LastEditors: yuananting
- * @LastEditTime: 2021-03-22 19:49:08
+ * @LastEditTime: 2021-03-22 21:22:03
  * @Description: 助学工具-题库-主页面分类管理
  * @Copyrigh: © 2020 杭州杰竞科技有限公司 版权所有
  */
@@ -206,32 +206,35 @@ class QuestionCategoryManage extends Component {
       : [];
   };
 
-  getDragNodesLevel = (dragNodesKeys) => {
+  getParentDragNodesLevel = (dragNode) => {
+    if (!dragNode) {
+      return [];
+    }
     let dragNodes = [];
-    dragNodesKeys.forEach((item) => {
-      dragNodes.push(this.state.treeMap[item].categoryLevel);
-    });
+    dragNodes.push(dragNode.id)
+
+    if (dragNode.parentId != 0) {
+      dragNodes = dragNodes.concat(this.getParentDragNodesLevel(this.state.treeMap[dragNode.parentId]))
+    }
     return dragNodes;
+  };
+
+
+  getDragNodesLevel = (dragNode) => {
+    let dragNodes = [];
+    if (dragNode.sonCategoryList && dragNode.sonCategoryList.length > 0) {
+      dragNode.sonCategoryList.forEach((item) => {
+        dragNodes.push(item.id);
+        if (item.sonCategoryList && item.sonCategoryList.length > 0) {
+          dragNodes = dragNodes.concat(this.getDragNodesLevel(item));
+        }
+      });
+    }
 
-    // this.drags.push(dragNodes.categoryLevel);
-    // if (dragNodes.sonCategoryList) {
-    //   dragNodes.sonCategoryList.forEach((item) => {
-    //     console.log("item:", item.sonCategoryList);
-    //     if (item.sonCategoryList) {
-    //       this.getDragNodesLevel(item.sonCategoryList);
-    //       // drags.push(...this.getDragNodesLevel(item.sonCategoryList));
-    //     } else {
-    //       this.drags.push(item.categoryLevel);
-    //     }
-    //   });
-    // }
-    // console.log(this.drags);
-    // return this.drags;
+    return dragNodes;
   };
 
   onDrop = (info) => {
-    console.log("info", info);
-
     if (this.state.categoryName) {
       return;
     }
@@ -252,7 +255,15 @@ class QuestionCategoryManage extends Component {
     if (this.state.treeMap[targetParentId].categoryLevel === 4) {
       return message.info("最多支持5级分类");
     } else {
-      // console.log(this.getDragNodesLevel(info.dragNodesKeys));
+      let nodesArr = this.getDragNodesLevel(
+        this.state.treeMap[info.dragNode.id]
+      );
+      let parentArr = this.getParentDragNodesLevel(
+        this.state.treeMap[targetParentId]
+      );
+      if (nodesArr.length + parentArr.length > 4) {
+        return message.info("最多支持5级分类");
+      }
     }
 
     let relatedNodes = this.getRelatedNodes(targetParentId);