fix flowchart

src/shared/components/FlowchartEditor/CustomNode.vue

@@ -28,7 +28,6 @@
         @keydown.enter="handleSaveEdit"
         @keydown.escape="handleCancelEdit"
         @click.stop
-        @focusout="handleSaveEdit"
       />
 
       <!-- 隐藏的文字用于保持尺寸 -->
@@ -96,25 +95,19 @@ const displayLabel = computed(
 const handleDelete = () => emit("delete", props.id)
 
 const handleMouseDown = (event: MouseEvent) => {
-  // 检查是否点击在连线点区域
   const target = event.target as HTMLElement
   if (target.closest(".vue-flow__handle")) {
-    // 如果在连线点区域，禁用节点拖拽
     event.preventDefault()
-    return false
   }
 }
 
 const handleDragStart = (event: DragEvent) => {
-  if (isEditing.value) {
-    return
-  }
+  if (isEditing.value) return
 
-  // 检查是否在连线点区域开始拖拽
   const target = event.target as HTMLElement
   if (target.closest(".vue-flow__handle")) {
     event.preventDefault()
-    return false
+    return
   }
 
   if (event.dataTransfer) {
@@ -137,10 +130,7 @@ const handleDoubleClick = (event: MouseEvent) => {
 
 const handleSaveEdit = () => {
   if (isEditing.value) {
-    // 保存编辑的文本
-    if (editText.value.trim()) {
     emit("update", props.id, editText.value.trim())
-    }
     isEditing.value = false
     removeGlobalClickHandler()
   }

src/shared/components/FlowchartEditor/index.vue

@@ -31,7 +31,7 @@ withDefaults(defineProps<Props>(), {
 })
 
 // Vue Flow 实例
-const { addNodes, addEdges, removeNodes, removeEdges } = useVueFlow()
+const { addEdges, removeNodes, removeEdges } = useVueFlow()
 
 // 节点和边的响应式数据
 const nodes = ref<Node[]>([])
@@ -42,7 +42,12 @@ const { canUndo, canRedo, saveState, undo, redo } = useHistory()
 
 const problemStore = useProblemStore()
 const { problem } = storeToRefs(problemStore)
-// 缓存管理
+// 缓存管理：用 computed key 支持题目 ID 异步加载后自动切换到正确的 storage
+const cacheKey = computed(() =>
+  problem.value?._id
+    ? `flowchart-editor-data-problem-${problem.value!._id}`
+    : "flowchart-editor-data",
+)
 const {
   isSaving,
   lastSaved,
@@ -50,13 +55,7 @@ const {
   saveToCache,
   loadFromCache,
   clearCache,
-} = useCache(
-  nodes,
-  edges,
-  problem.value?._id
-    ? `flowchart-editor-data-problem-${problem.value!._id}`
-    : "flowchart-editor-data",
-)
+} = useCache(nodes, edges, cacheKey)
 
 // 拖拽处理
 const { onDragOver, onDragLeave, onDrop, isDragOver, screenDragPos } = useDnD()
@@ -84,26 +83,16 @@ const {
 } = useFlowOperations(
   nodes,
   edges,
-  addNodes,
   addEdges,
   removeNodes,
   removeEdges,
   saveState,
 )
 
-// 拖拽处理包装
-const handleDragOver = (event: DragEvent) => {
-  onDragOver(event)
-}
-
-const handleDragLeave = () => {
-  onDragLeave()
-}
-
-const handleDrop = (event: DragEvent) => {
-  // 处理正常的节点创建拖拽
+const handleDrop = async (event: DragEvent) => {
   const newNode = onDrop(event)
   if (newNode) {
+    await nextTick()
     saveState(nodes.value, edges.value)
   }
 }
@@ -219,8 +208,8 @@ defineExpose({
     <VueFlow
       v-model:nodes="nodes"
       v-model:edges="edges"
-      @dragover="handleDragOver"
-      @dragleave="handleDragLeave"
+      @dragover="onDragOver"
+      @dragleave="onDragLeave"
       @drop="handleDrop"
       @connect="handleConnect"
       @edge-click="handleEdgeClick"

src/shared/components/FlowchartEditor/useCache.ts

@@ -1,4 +1,4 @@
-import { ref, watch } from "vue"
+import { ref, watch, type Ref, type MaybeRefOrGetter } from "vue"
 import { useStorage, useDebounceFn } from "@vueuse/core"
 import type { Node, Edge } from "@vue-flow/core"
 
@@ -6,15 +6,15 @@ import type { Node, Edge } from "@vue-flow/core"
  * 缓存管理 - 使用 @vueuse 的 useStorage
  */
 export function useCache(
-  nodes: any,
-  edges: any,
-  storageKey: string = "flowchart-editor-data",
+  nodes: Ref<Node[]>,
+  edges: Ref<Edge[]>,
+  storageKey: MaybeRefOrGetter<string> = "flowchart-editor-data",
 ) {
   const isSaving = ref(false)
   const lastSaved = ref<Date | null>(null)
   const hasUnsavedChanges = ref(false)
 
-  // 使用 useStorage 管理数据存储
+  // 使用 useStorage 管理数据存储，支持响应式 key（题目 ID 异步加载时自动切换）
   const storedData = useStorage<{
     nodes: Node[]
     edges: Edge[]
@@ -25,9 +25,8 @@ export function useCache(
     timestamp: "",
   })
 
-  // 防抖保存
+  // 防抖保存：isSaving 在 watch 中置 true，保存完成后置 false，使 UI 能感知保存中状态
   const debouncedSave = useDebounceFn(() => {
-    isSaving.value = true
     storedData.value.nodes = nodes.value
     storedData.value.edges = edges.value
     storedData.value.timestamp = new Date().toISOString()
@@ -68,11 +67,12 @@ export function useCache(
     hasUnsavedChanges.value = false
   }
 
-  // 监听节点和边的变化
+  // 监听节点和边的变化，isSaving 在此置 true 以覆盖防抖等待窗口
   watch(
     [nodes, edges],
     () => {
       hasUnsavedChanges.value = true
+      isSaving.value = true
       debouncedSave()
     },
     { deep: true },

src/shared/components/FlowchartEditor/useFlowOperations.ts

@@ -1,16 +1,17 @@
 import type { Ref } from "vue"
 import type { Node, Edge, Connection } from "@vue-flow/core"
+import { useVueFlow } from "@vue-flow/core"
 import { getRandomId } from "utils/functions"
 
 export function useFlowOperations(
   nodes: Ref<Node[]>,
   edges: Ref<Edge[]>,
-  addNodes: (nodes: Node[]) => void,
   addEdges: (edges: Edge[]) => void,
   removeNodes: (nodeIds: string[]) => void,
   removeEdges: (edgeIds: string[]) => void,
   saveState: (nodes: Node[], edges: Edge[]) => void,
 ) {
+  const { findNode, getSelectedNodes, getSelectedEdges } = useVueFlow()
   const getAutoLabel = (
     sourceNode: Node | undefined,
     targetNode: Node | undefined,
@@ -95,23 +96,16 @@ export function useFlowOperations(
     saveState(nodes.value, edges.value)
   }
 
-  // 节点更新
+  // 节点更新，空标签时清除自定义标签（恢复默认类型名称）
   const handleNodeUpdate = (nodeId: string, newLabel: string) => {
-    const nodeIndex = nodes.value.findIndex((node) => node.id === nodeId)
-
-    if (nodeIndex !== -1) {
-      const oldNode = nodes.value[nodeIndex]
-
-      // 创建新的节点对象以确保响应式更新
-      const updatedNode = {
-        ...oldNode,
-        data: {
-          ...oldNode.data,
-          customLabel: newLabel,
-        },
+    const node = findNode(nodeId)
+    if (node) {
+      if (newLabel) {
+        node.data = { ...node.data, customLabel: newLabel }
+      } else {
+        const { customLabel: _, ...rest } = node.data
+        node.data = rest
       }
-
-      nodes.value[nodeIndex] = updatedNode
       saveState(nodes.value, edges.value)
     }
   }
@@ -125,8 +119,8 @@ export function useFlowOperations(
 
   // 删除选中的节点和边
   const deleteSelected = () => {
-    const selectedNodes = nodes.value.filter((node) => (node as any).selected)
-    const selectedEdges = edges.value.filter((edge) => (edge as any).selected)
+    const selectedNodes = getSelectedNodes.value
+    const selectedEdges = getSelectedEdges.value
 
     if (selectedNodes.length > 0) {
       removeNodes(selectedNodes.map((node) => node.id))