feat: add recursive structure tree

frontend/src/components/TemplateEdit/StructureTree.vue

@@ -1,9 +1,47 @@
 <script setup lang="ts">
-const nodes = [
-  { id: "block_001", name: "企业经营分析报告", status: "done" },
-  { id: "block_003", name: "一、经营概况", status: "pending" },
-  { id: "block_005", name: "经营指标表", status: "empty" },
+import { reactive, ref } from "vue";
+
+import StructureTreeNode, { type StructureNode } from "./StructureTreeNode.vue";
+
+const nodes: StructureNode[] = [
+  {
+    id: "block_001",
+    name: "企业经营分析报告",
+    status: "done",
+    children: [
+      { id: "block_002", name: "报告说明", status: "review" },
+      {
+        id: "block_003",
+        name: "一、经营概况",
+        status: "done",
+        children: [
+          { id: "block_004", name: "经营概况段落", status: "empty" },
+          { id: "block_005", name: "经营指标表", status: "disabled" },
+        ],
+      },
+    ],
+  },
 ];
+
+const activeId = ref("block_003");
+const expandedKeys = reactive<Record<string, boolean>>({
+  block_001: true,
+  block_003: true,
+});
+
+function toggleNode(id: string) {
+  expandedKeys[id] = !expandedKeys[id];
+}
+
+function selectNode(node: StructureNode) {
+  activeId.value = node.id;
+  const target = document.querySelector<HTMLElement>(`[data-block-id="${node.id}"]`);
+  if (!target) return;
+
+  target.scrollIntoView({ behavior: "smooth", block: "center" });
+  target.classList.add("tree-flash");
+  window.setTimeout(() => target.classList.remove("tree-flash"), 1600);
+}
 </script>
 
 <template>
@@ -12,14 +50,16 @@ const nodes = [
       <span>文档结构</span>
       <span class="count">{{ nodes.length }}</span>
     </header>
-    <ul>
-      <li v-for="node in nodes" :key="node.id">
-        <button type="button">
-          <span class="dot" :class="node.status"></span>
-          <span class="node-name">{{ node.name }}</span>
-          <span class="node-id">{{ node.id }}</span>
-        </button>
-      </li>
+    <ul class="tree-list">
+      <StructureTreeNode
+        v-for="node in nodes"
+        :key="node.id"
+        :node="node"
+        :active-id="activeId"
+        :expanded-keys="expandedKeys"
+        @select="selectNode"
+        @toggle="toggleNode"
+      />
     </ul>
   </aside>
 </template>
@@ -53,7 +93,7 @@ header {
   line-height: 18px;
 }
 
-ul {
+.tree-list {
   flex: 1;
   min-height: 0;
   margin: 0;
@@ -61,48 +101,4 @@ ul {
   overflow: auto;
   list-style: none;
 }
-
-button {
-  display: grid;
-  width: 100%;
-  grid-template-columns: 8px minmax(0, 1fr);
-  gap: 8px;
-  align-items: center;
-  padding: 7px 12px;
-  border: 0;
-  background: transparent;
-  cursor: pointer;
-  text-align: left;
-}
-
-button:hover {
-  background: var(--c-surface-soft);
-}
-
-.dot {
-  width: 7px;
-  height: 7px;
-  border-radius: 50%;
-  background: var(--c-text-muted);
-}
-
-.dot.done {
-  background: var(--c-success);
-}
-
-.dot.pending {
-  background: var(--c-warn);
-}
-
-.node-name {
-  overflow: hidden;
-  text-overflow: ellipsis;
-  white-space: nowrap;
-}
-
-.node-id {
-  grid-column: 2;
-  color: var(--c-text-muted);
-  font-size: 11px;
-}
 </style>

frontend/src/components/TemplateEdit/StructureTreeNode.vue

@@ -0,0 +1,147 @@
+<script setup lang="ts">
+import { RightOutlined } from "@ant-design/icons-vue";
+
+export type StructureNode = {
+  id: string;
+  name: string;
+  status: "done" | "review" | "disabled" | "empty";
+  children?: StructureNode[];
+};
+
+defineProps<{
+  node: StructureNode;
+  activeId: string;
+  expandedKeys: Record<string, boolean>;
+  level?: number;
+}>();
+
+const emit = defineEmits<{
+  select: [node: StructureNode];
+  toggle: [id: string];
+}>();
+</script>
+
+<template>
+  <li>
+    <div
+      class="tree-node"
+      :class="{ active: activeId === node.id }"
+      :style="{ paddingLeft: `${10 + (level ?? 0) * 16}px` }"
+    >
+      <button
+        v-if="node.children?.length"
+        class="toggle-btn"
+        :class="{ expanded: expandedKeys[node.id] }"
+        type="button"
+        :aria-label="expandedKeys[node.id] ? '折叠' : '展开'"
+        @click.stop="emit('toggle', node.id)"
+      >
+        <RightOutlined />
+      </button>
+      <span v-else class="toggle-spacer"></span>
+      <button class="node-main" type="button" @click="emit('select', node)">
+        <span class="dot" :class="node.status"></span>
+        <span class="node-name">{{ node.name }}</span>
+      </button>
+    </div>
+
+    <ul v-if="node.children?.length" v-show="expandedKeys[node.id]" class="tree-children">
+      <StructureTreeNode
+        v-for="child in node.children"
+        :key="child.id"
+        :node="child"
+        :active-id="activeId"
+        :expanded-keys="expandedKeys"
+        :level="(level ?? 0) + 1"
+        @select="emit('select', $event)"
+        @toggle="emit('toggle', $event)"
+      />
+    </ul>
+  </li>
+</template>
+
+<style scoped>
+li,
+ul {
+  margin: 0;
+  padding: 0;
+  list-style: none;
+}
+
+.tree-node {
+  display: grid;
+  grid-template-columns: 18px minmax(0, 1fr);
+  align-items: center;
+  padding: 3px 10px;
+}
+
+.tree-node.active {
+  background: var(--c-primary-soft);
+  color: var(--c-primary);
+}
+
+.toggle-btn,
+.node-main {
+  border: 0;
+  background: transparent;
+  cursor: pointer;
+}
+
+.toggle-btn {
+  display: grid;
+  width: 18px;
+  height: 22px;
+  place-items: center;
+  color: var(--c-text-muted);
+  font-size: 10px;
+  transition: transform 0.15s ease;
+}
+
+.toggle-btn.expanded {
+  transform: rotate(90deg);
+}
+
+.toggle-spacer {
+  width: 18px;
+}
+
+.node-main {
+  display: grid;
+  min-width: 0;
+  grid-template-columns: 7px minmax(0, 1fr);
+  gap: 7px;
+  align-items: center;
+  padding: 3px 2px;
+  color: inherit;
+  text-align: left;
+}
+
+.dot {
+  width: 7px;
+  height: 7px;
+  border-radius: 50%;
+  background: var(--c-text-muted);
+}
+
+.dot.done {
+  background: var(--c-success);
+}
+
+.dot.review {
+  background: var(--c-warn);
+}
+
+.dot.disabled {
+  background: #d33;
+}
+
+.dot.empty {
+  background: var(--c-border);
+}
+
+.node-name {
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+</style>