feat(engine): 监听构件点击事件并记录选中状态

src/components/engine/index.ts

@@ -47,6 +47,8 @@ export class Engine implements IBimComponent {
     private currentSectionAxis: 'x' | 'y' | 'z' | null = null;
     /** 剖切盒是否激活 */
     private isSectionBoxActive: boolean = false;
+    /** 当前选中的构件信息 */
+    private selectedComponent: { url: string; id: string } | null = null;
 
     /**
      * 构造函数
@@ -123,6 +125,20 @@ export class Engine implements IBimComponent {
 
             // 应用当前主题
             this.setTheme(themeManager.getTheme());
+
+            // 监听构件点击事件
+            this.engine.events.on('click', (hit: any) => {
+                if (hit && hit.object) {
+                    this.selectedComponent = {
+                        url: hit.object.url,
+                        id: hit.object.name
+                    };
+                    console.log('[Engine] 构件选中:', this.selectedComponent);
+                } else {
+                    this.selectedComponent = null;
+                    console.log('[Engine] 取消选中');
+                }
+            });
         } catch (error) {
             console.error('[Engine] Failed to initialize engine:', error);
             this._isInitialized = false;
@@ -682,6 +698,43 @@ export class Engine implements IBimComponent {
 
     // ==================== 结束：漫游功能 ====================
 
+    // ==================== 构件选中 ====================
+
+    /**
+     * 获取当前选中的构件
+     * @returns 选中构件的 URL 和 ID，未选中时返回 null
+     */
+    public getSelectedComponent(): { url: string; id: string } | null {
+        return this.selectedComponent;
+    }
+
+    /**
+     * 获取构件属性
+     * @param url 模型 URL
+     * @param id 构件 ID
+     * @param callback 回调函数，接收属性数据
+     */
+    public getComponentProperties(
+        url: string,
+        id: string,
+        callback: (data: any) => void
+    ): void {
+        if (!this._isInitialized || !this.engine) {
+            console.error('[Engine] Cannot get component properties: engine not initialized.');
+            return;
+        }
+
+        if (!this.engine.modelProperties) {
+            console.error('[Engine] modelProperties not available');
+            return;
+        }
+
+        console.log('[Engine] Getting component properties:', { url, id });
+        this.engine.modelProperties.getModelProperties(url, id, callback);
+    }
+
+    // ==================== 结束：构件选中 ====================
+
     /** 激活框选放大功能 */
     public activateZoomBox(): void {
         if (!this._isInitialized || !this.engine) {