添加折叠面板

.recycle/2025-12-15/src/managers/tree-manager.ts

@@ -0,0 +1,57 @@
+import { BimComponent } from '../core/component';
+import { BimTree } from '../components/tree/index';
+import { TreeOptions } from '../components/tree/types';
+import type { BimEngine } from '../bim-engine';
+
+/**
+ * 树组件管理器
+ * 负责创建和管理 BimTree 实例
+ */
+export class TreeManager extends BimComponent {
+    
+    // eslint-disable-next-line @typescript-eslint/no-unused-vars
+    constructor(engine: BimEngine, _container: HTMLElement) {
+        super(engine);
+    }
+    
+    /**
+     * 创建一个新的树组件实例
+     * @param options 配置选项
+     */
+    public create(options: TreeOptions): BimTree {
+        const tree = new BimTree(options);
+        
+        // 绑定事件桥接
+        tree.onNodeCheck = (node) => {
+            this.emit('ui:tree-node-check', { 
+                id: node.config.id, 
+                checked: node.config.checked || false, 
+                node: node.config 
+            });
+        };
+        
+        tree.onNodeSelect = (node) => {
+            this.emit('ui:tree-node-select', { 
+                id: node.config.id, 
+                selected: true, 
+                node: node.config 
+            });
+        };
+        
+        tree.onNodeExpand = (node) => {
+            this.emit('ui:tree-node-expand', { 
+                id: node.config.id, 
+                expanded: node.config.expanded || false
+            });
+        };
+        
+        tree.init();
+        return tree;
+    }
+
+    public destroy(): void {
+        // TreeManager 本身不持有 Tree 实例的强引用列表
+        // 实例通常由调用者（如 Dialog）持有并销毁
+        // 这里可以做一些全局清理工作
+    }
+}