优化事件总线

AutoRobot/Windows/Robot/Web/src/DockLayout/eventBus.js

@@ -436,6 +436,120 @@ export const triggerDragEvent = {
   }
 }
 
+// 事件处理器注册和管理
+class EventHandlerRegistry {
+  constructor() {
+    this.handlers = new Map()
+    this.lifecycleHooks = {
+      init: new Set(),
+      destroy: new Set()
+    }
+  }
+
+  /**
+   * 注册事件处理器
+   */
+  registerHandler(handlerName, eventTypes, handlerInstance) {
+    const subscription = new Set()
+    
+    // 注册事件监听器
+    eventTypes.forEach(eventType => {
+      const unsubscribe = onEvent(eventType, (data, event) => {
+        if (handlerInstance[eventType] && typeof handlerInstance[eventType] === 'function') {
+          try {
+            handlerInstance[eventType](data, event)
+          } catch (error) {
+            console.error(`[EventHandlerRegistry] Error in handler ${handlerName} for ${eventType}:`, error)
+          }
+        }
+      })
+      
+      subscription.add({ eventType, unsubscribe })
+    })
+
+    this.handlers.set(handlerName, {
+      instance: handlerInstance,
+      subscriptions: subscription,
+      registeredAt: Date.now()
+    })
+
+    console.log(`[EventHandlerRegistry] Handler "${handlerName}" registered for events:`, eventTypes)
+    return handlerName
+  }
+
+  /**
+   * 注销事件处理器
+   */
+  unregisterHandler(handlerName) {
+    const handler = this.handlers.get(handlerName)
+    if (!handler) return false
+
+    // 取消所有订阅
+    handler.subscriptions.forEach(({ unsubscribe }) => {
+      try {
+        unsubscribe()
+      } catch (error) {
+        console.warn(`[EventHandlerRegistry] Error unsubscribing handler ${handlerName}:`, error)
+      }
+    })
+
+    // 调用销毁钩子
+    if (handler.instance.onDestroy) {
+      try {
+        handler.instance.onDestroy()
+      } catch (error) {
+        console.error(`[EventHandlerRegistry] Error in onDestroy for handler ${handlerName}:`, error)
+      }
+    }
+
+    this.handlers.delete(handlerName)
+    console.log(`[EventHandlerRegistry] Handler "${handlerName}" unregistered`)
+    return true
+  }
+
+  /**
+   * 获取所有处理器
+   */
+  getHandlers() {
+    return Array.from(this.handlers.keys())
+  }
+
+  /**
+   * 获取处理器信息
+   */
+  getHandlerInfo(handlerName) {
+    return this.handlers.get(handlerName)
+  }
+
+  /**
+   * 销毁所有处理器
+   */
+  destroyAll() {
+    for (const handlerName of this.handlers.keys()) {
+      this.unregisterHandler(handlerName)
+    }
+    console.log(`[EventHandlerRegistry] All handlers destroyed`)
+  }
+
+  /**
+   * 获取状态快照
+   */
+  getSnapshot() {
+    const snapshot = {}
+    for (const [name, handler] of this.handlers.entries()) {
+      snapshot[name] = {
+        registeredAt: handler.registeredAt,
+        subscriptionCount: handler.subscriptions.size,
+        hasDestroyMethod: typeof handler.instance.onDestroy === 'function'
+      }
+    }
+    return snapshot
+  }
+}
+
+// 创建事件处理器注册表
+export const handlerRegistry = new EventHandlerRegistry()
+
 // 导出便捷触发函数
 export const emitEvent = (eventType, data, options = {}) => {
   return eventBus.emit(eventType, data, options)
@@ -452,3 +566,16 @@ export const onceEvent = (eventType, callback, options = {}) => {
 export const offEvent = (eventType, callback) => {
   return eventBus.off(eventType, callback)
 }
+
+// 导出事件处理器注册函数
+export const registerHandler = (handlerName, eventTypes, handlerInstance) => {
+  return handlerRegistry.registerHandler(handlerName, eventTypes, handlerInstance)
+}
+
+export const unregisterHandler = (handlerName) => {
+  return handlerRegistry.unregisterHandler(handlerName)
+}
+
+export const getHandlerSnapshot = () => {
+  return handlerRegistry.getSnapshot()
+}