feat(tree,menu,docs): 对接目录树三类数据并中文化文档

src/components/collapse/index.css

@@ -19,7 +19,7 @@
     background-color: var(--bim-component-bg);
     padding-left: 12px;
     padding-right: 0;
-    border-bottom: 1px solid var(--bim-border-strong);
+    border-bottom: 1px solid var(--bim-border-default);
 }
 
 .bim-collapse.is-ghost .bim-collapse-header:hover {

src/components/engine/index.ts

@@ -4,6 +4,7 @@ import { themeManager } from '../../services/theme';
 import type { EngineOptions, ModelLoadOptions } from './types';
 import type { MeasureMode } from '../../types/measure';
 import type { SectionBoxRange } from '../section-box-panel/types';
+import { ManagerRegistry } from '../../core/manager-registry';
 // 导入第三方 SDK 的 createEngine 函数（从 npm 包引入）
 // import { createEngine as createEngineSDK } from 'iflow-engine-base';
 import { createEngine as createEngineSDK } from '../../../../bim_engine_base/dist/bim-engine-sdk.es';
@@ -128,15 +129,18 @@ export class Engine implements IBimComponent {
 
             // 监听构件点击事件
             this.engine.events.on('click', (hit: any) => {
+                const registry = ManagerRegistry.getInstance();
                 if (hit && hit.object) {
                     this.selectedComponent = {
                         url: hit.object.url,
                         id: hit.object.name
                     };
                     console.log('[Engine] 构件选中:', this.selectedComponent);
+                    registry.emit('component:selected', this.selectedComponent);
                 } else {
                     this.selectedComponent = null;
                     console.log('[Engine] 取消选中');
+                    registry.emit('component:deselected', {});
                 }
             });
         } catch (error) {
@@ -735,6 +739,31 @@ export class Engine implements IBimComponent {
 
     // ==================== 结束：构件选中 ====================
 
+    // ==================== 模型树 ====================
+
+    public getTypeTreeData(): any[] {
+        if (!this._isInitialized || !this.engine?.modelTree) {
+            return [];
+        }
+        return this.engine.modelTree.getTypeTreeData();
+    }
+
+    public getLevelTreeData(): any[] {
+        if (!this._isInitialized || !this.engine?.modelTree) {
+            return [];
+        }
+        return this.engine.modelTree.getLevelTreeData();
+    }
+
+    public getMajorTreeData(): any[] {
+        if (!this._isInitialized || !this.engine?.modelTree) {
+            return [];
+        }
+        return this.engine.modelTree.getMajorTreeData();
+    }
+
+    // ==================== 结束：模型树 ====================
+
     /** 激活框选放大功能 */
     public activateZoomBox(): void {
         if (!this._isInitialized || !this.engine) {

src/components/menu/index.css

@@ -7,7 +7,6 @@
     padding: 6px;
     margin: 0;
     list-style: none;
-    min-width: 160px;
     box-shadow: var(--bim-shadow-lg);
     font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
     user-select: none;
@@ -38,8 +37,7 @@
 }
 
 .bim-menu-item:hover {
-    background-color: var(--bim-floating-btn-bg);
-    transform: translateX(2px);
+    background-color: var(--bim-component-bg-hover);
 }
 
 .bim-menu-item.disabled {
@@ -49,6 +47,10 @@
 }
 
 .bim-menu-item-icon {
+    display: none;
+}
+
+.bim-menu.has-icons .bim-menu-item-icon {
     width: 16px;
     height: 16px;
     margin-right: 8px;

src/components/menu/index.ts

@@ -93,14 +93,23 @@ export class BimMenu implements IBimComponent {
         return this.element;
     }
 
-    /**
-     * 核心渲染逻辑
-     * 处理分组、排序和 DOM 生成
-     */
+    private hasAnyIcon(items: MenuItemConfig[]): boolean {
+        return items.some(item => {
+            if (item.icon) return true;
+            if (item.children) return this.hasAnyIcon(item.children);
+            return false;
+        });
+    }
+
     private render(): void {
         const { items, groupOrder } = this.options;
 
-        // 1. 数据分桶：按 group 字段将菜单项分组
+        if (this.hasAnyIcon(items)) {
+            this.element.classList.add('has-icons');
+        } else {
+            this.element.classList.remove('has-icons');
+        }
+
         const groups = new Map<string, MenuItemConfig[]>();
         const defaultGroup = 'default';
 
@@ -112,25 +121,19 @@ export class BimMenu implements IBimComponent {
             groups.get(groupName)!.push(item);
         });
 
-        // 2. 确定分组顺序
         let sortedGroupKeys: string[] = [];
         if (groupOrder) {
-            // 优先按照 groupOrder 指定的顺序排序
             sortedGroupKeys = groupOrder.filter(g => groups.has(g));
-            // 将未在 groupOrder 中定义的组追加到最后
             for (const key of groups.keys()) {
                 if (!sortedGroupKeys.includes(key)) {
                     sortedGroupKeys.push(key);
                 }
             }
         } else {
-            // 如果未指定顺序，则按默认遍历顺序
             sortedGroupKeys = Array.from(groups.keys());
         }
 
-        // 3. 渲染分组和组内项
         sortedGroupKeys.forEach((groupName, index) => {
-            // 除了第一组外，每组之前插入分割线
             if (index > 0) {
                 const divider = document.createElement('li');
                 divider.className = 'bim-menu-divider';
@@ -138,13 +141,16 @@ export class BimMenu implements IBimComponent {
             }
 
             const groupItems = groups.get(groupName)!;
-            // 组内排序：根据 item.order 升序排列
             groupItems.sort((a, b) => (a.order || 0) - (b.order || 0));
 
             groupItems.forEach(item => {
-                // 仅渲染可见的项
                 if (item.visible !== false) {
                     this.element.appendChild(this.createItemElement(item));
+                    if (item.divider) {
+                        const divider = document.createElement('li');
+                        divider.className = 'bim-menu-divider';
+                        this.element.appendChild(divider);
+                    }
                 }
             });
         });

src/components/menu/item.ts

@@ -1,6 +1,3 @@
-/**
- * 菜单项配置接口 (用于简化的对象配置)
- */
 export interface MenuItemConfig {
     id: string;
     label: string;
@@ -11,4 +8,5 @@ export interface MenuItemConfig {
     children?: MenuItemConfig[];
     disabled?: boolean;
     visible?: boolean;
+    divider?: boolean;
 }