完善事件总线功能，创建专门的事件处理器模块
This commit is contained in:
zqm
@@ -0,0 +1,584 @@
|
||||
/**
|
||||
* 事件总线集成模块
|
||||
* 统一管理所有事件处理器和功能模块
|
||||
*/
|
||||
|
||||
import { eventBus, eventBusActions, EVENT_TYPES } from '../eventBus.js';
|
||||
import { panelHandler, PANEL_EVENT_TYPES, panelActions } from './PanelHandler.js';
|
||||
import tabPageHandler, { TABPAGE_EVENT_TYPES, tabPageActions } from './TabPageHandler.js';
|
||||
import areaHandler, { AREA_EVENT_TYPES, areaActions } from './AreaHandler.js';
|
||||
import globalEventManager, { GLOBAL_EVENT_TYPES, globalEventActions } from './GlobalEventManager.js';
|
||||
import dragStateManager, { DRAG_STATE_TYPES, dragStateActions } from './DragStateManager.js';
|
||||
import integrationTester, { testActions, TEST_CONFIG } from './IntegrationTester.js';
|
||||
|
||||
// 事件总线配置
|
||||
export const EVENT_BUS_CONFIG = {
|
||||
// 事件总线配置
|
||||
bus: {
|
||||
enableDebug: true,
|
||||
enablePerformance: true,
|
||||
maxHistorySize: 1000,
|
||||
cleanupInterval: 30000 // 30秒清理一次
|
||||
},
|
||||
|
||||
// 处理器配置
|
||||
handlers: {
|
||||
panel: {
|
||||
enabled: true,
|
||||
autoRegister: true,
|
||||
eventBufferSize: 100
|
||||
},
|
||||
tabpage: {
|
||||
enabled: true,
|
||||
autoRegister: true,
|
||||
eventBufferSize: 100
|
||||
},
|
||||
area: {
|
||||
enabled: true,
|
||||
autoRegister: true,
|
||||
eventBufferSize: 100
|
||||
},
|
||||
global: {
|
||||
enabled: true,
|
||||
autoRegister: true,
|
||||
routing: true
|
||||
},
|
||||
drag: {
|
||||
enabled: true,
|
||||
autoRegister: true,
|
||||
conflictDetection: true
|
||||
}
|
||||
},
|
||||
|
||||
// 集成测试配置
|
||||
testing: {
|
||||
enabled: true,
|
||||
autoRun: false,
|
||||
reportInterval: 60000, // 1分钟
|
||||
performanceThreshold: {
|
||||
eventEmitTime: 10,
|
||||
eventHandleTime: 50,
|
||||
memoryUsage: 50 * 1024 * 1024
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
// 事件总线管理器类
|
||||
class EventBusManager {
|
||||
constructor() {
|
||||
this.isInitialized = false;
|
||||
this.isDestroyed = false;
|
||||
this.components = new Map();
|
||||
this.eventRoutes = new Map();
|
||||
this.performanceMonitor = null;
|
||||
this.healthCheckInterval = null;
|
||||
this.initializedHandlers = new Set();
|
||||
|
||||
// 绑定方法
|
||||
this._handleGlobalError = this._handleGlobalError.bind(this);
|
||||
this._handleUnhandledRejection = this._handleUnhandledRejection.bind(this);
|
||||
this._healthCheck = this._healthCheck.bind(this);
|
||||
}
|
||||
|
||||
/**
|
||||
* 初始化事件总线系统
|
||||
* @param {Object} config - 配置选项
|
||||
*/
|
||||
async initialize(config = {}) {
|
||||
if (this.isInitialized) {
|
||||
console.warn('⚠️ 事件总线系统已经初始化');
|
||||
return;
|
||||
}
|
||||
|
||||
console.log('🚀 初始化事件总线系统...');
|
||||
this.isInitialized = true;
|
||||
|
||||
try {
|
||||
// 合并配置
|
||||
this.config = { ...EVENT_BUS_CONFIG, ...config };
|
||||
|
||||
// 初始化全局错误处理
|
||||
this._setupGlobalErrorHandling();
|
||||
|
||||
// 注册事件处理器
|
||||
await this._registerAllHandlers();
|
||||
|
||||
// 设置事件路由
|
||||
this._setupEventRoutes();
|
||||
|
||||
// 启动性能监控（如果启用）
|
||||
if (this.config.testing.enabled && this.config.testing.autoRun) {
|
||||
await this._startPerformanceMonitoring();
|
||||
}
|
||||
|
||||
// 启动健康检查
|
||||
this._startHealthCheck();
|
||||
|
||||
// 发布初始化完成事件
|
||||
eventBus.emit(GLOBAL_EVENT_TYPES.SYSTEM_INITIALIZED, {
|
||||
timestamp: Date.now(),
|
||||
version: '1.0.0',
|
||||
components: Array.from(this.initializedHandlers)
|
||||
});
|
||||
|
||||
console.log('✅ 事件总线系统初始化完成');
|
||||
console.log(`📋 已注册组件: ${Array.from(this.initializedHandlers).join(', ')}`);
|
||||
|
||||
} catch (error) {
|
||||
console.error('❌ 事件总线系统初始化失败:', error);
|
||||
this.isInitialized = false;
|
||||
throw error;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 注册所有事件处理器
|
||||
*/
|
||||
async _registerAllHandlers() {
|
||||
const handlers = [
|
||||
{ name: 'panel', handler: panelHandler, events: PANEL_EVENT_TYPES },
|
||||
{ name: 'tabpage', handler: tabPageHandler, events: TABPAGE_EVENT_TYPES },
|
||||
{ name: 'area', handler: areaHandler, events: AREA_EVENT_TYPES },
|
||||
{ name: 'global', handler: globalEventManager, events: GLOBAL_EVENT_TYPES },
|
||||
{ name: 'drag', handler: dragStateManager, events: DRAG_STATE_TYPES }
|
||||
];
|
||||
|
||||
for (const { name, handler, events } of handlers) {
|
||||
const handlerConfig = this.config.handlers[name];
|
||||
|
||||
if (!handlerConfig?.enabled) {
|
||||
console.log(`⏭️ 跳过禁用的事件处理器: ${name}`);
|
||||
continue;
|
||||
}
|
||||
|
||||
try {
|
||||
console.log(`📝 注册事件处理器: ${name}`);
|
||||
|
||||
// 注册事件处理器到事件总线
|
||||
Object.values(events).forEach(eventType => {
|
||||
if (typeof handler.handleEvent === 'function') {
|
||||
eventBus.on(eventType, handler.handleEvent.bind(handler), {
|
||||
priority: 1,
|
||||
id: `handler-${name}`
|
||||
});
|
||||
}
|
||||
});
|
||||
|
||||
// 调用初始化方法（如果存在）
|
||||
if (typeof handler.initialize === 'function') {
|
||||
await handler.initialize();
|
||||
}
|
||||
|
||||
this.initializedHandlers.add(name);
|
||||
this.components.set(name, {
|
||||
handler,
|
||||
events: Object.values(events),
|
||||
config: handlerConfig,
|
||||
status: 'active',
|
||||
initializedAt: Date.now()
|
||||
});
|
||||
|
||||
console.log(`✅ 事件处理器注册成功: ${name}`);
|
||||
|
||||
} catch (error) {
|
||||
console.error(`❌ 事件处理器注册失败 [${name}]:`, error);
|
||||
this.components.set(name, {
|
||||
handler,
|
||||
events: Object.values(events),
|
||||
config: handlerConfig,
|
||||
status: 'error',
|
||||
error: error.message,
|
||||
initializedAt: Date.now()
|
||||
});
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 设置事件路由
|
||||
*/
|
||||
_setupEventRoutes() {
|
||||
// 设置跨组件事件路由
|
||||
const routes = [
|
||||
// Panel相关路由
|
||||
{ from: PANEL_EVENT_TYPES.PANEL_CREATE_REQUEST, to: [GLOBAL_EVENT_TYPES.PANEL_CREATED] },
|
||||
{ from: PANEL_EVENT_TYPES.PANEL_CLOSE_REQUEST, to: [GLOBAL_EVENT_TYPES.PANEL_CLOSED] },
|
||||
{ from: PANEL_EVENT_TYPES.PANEL_MAXIMIZE, to: [GLOBAL_EVENT_TYPES.PANEL_STATE_CHANGED] },
|
||||
|
||||
// TabPage相关路由
|
||||
{ from: TABPAGE_EVENT_TYPES.TABPAGE_CREATE_REQUEST, to: [GLOBAL_EVENT_TYPES.TABPAGE_CREATED] },
|
||||
{ from: TABPAGE_EVENT_TYPES.TABPAGE_CLOSE_REQUEST, to: [GLOBAL_EVENT_TYPES.TABPAGE_CLOSED] },
|
||||
{ from: TABPAGE_EVENT_TYPES.TABPAGE_SWITCH, to: [GLOBAL_EVENT_TYPES.TABPAGE_SWITCHED] },
|
||||
|
||||
// Area相关路由
|
||||
{ from: AREA_EVENT_TYPES.AREA_CREATE_REQUEST, to: [GLOBAL_EVENT_TYPES.AREA_CREATED] },
|
||||
{ from: AREA_EVENT_TYPES.AREA_DESTROY_REQUEST, to: [GLOBAL_EVENT_TYPES.AREA_DESTROYED] },
|
||||
{ from: AREA_EVENT_TYPES.AREA_MERGE, to: [GLOBAL_EVENT_TYPES.AREA_MERGED] },
|
||||
|
||||
// 拖拽相关路由
|
||||
{ from: 'panel.drag.start', to: [GLOBAL_EVENT_TYPES.DRAG_STARTED] },
|
||||
{ from: 'panel.drag.end', to: [GLOBAL_EVENT_TYPES.DRAG_ENDED] },
|
||||
{ from: 'tabpage.drag.start', to: [GLOBAL_EVENT_TYPES.DRAG_STARTED] },
|
||||
{ from: 'tabpage.drag.end', to: [GLOBAL_EVENT_TYPES.DRAG_ENDED] },
|
||||
{ from: 'area.drag.start', to: [GLOBAL_EVENT_TYPES.DRAG_STARTED] },
|
||||
{ from: 'area.drag.end', to: [GLOBAL_EVENT_TYPES.DRAG_ENDED] }
|
||||
];
|
||||
|
||||
routes.forEach(route => {
|
||||
this.eventRoutes.set(route.from, route.to);
|
||||
eventBus.on(route.from, (data) => {
|
||||
// 自动路由到目标事件
|
||||
route.to.forEach(targetEvent => {
|
||||
eventBus.emit(targetEvent, {
|
||||
...data,
|
||||
sourceEvent: route.from,
|
||||
routed: true,
|
||||
routeTime: Date.now()
|
||||
});
|
||||
});
|
||||
}, { id: 'router', priority: 0 });
|
||||
});
|
||||
|
||||
console.log(`🔗 设置了 ${routes.length} 个事件路由`);
|
||||
}
|
||||
|
||||
/**
|
||||
* 设置全局错误处理
|
||||
*/
|
||||
_setupGlobalErrorHandling() {
|
||||
// 捕获未处理的错误
|
||||
window.addEventListener('error', this._handleGlobalError);
|
||||
|
||||
// 捕获未处理的Promise拒绝
|
||||
window.addEventListener('unhandledrejection', this._handleUnhandledRejection);
|
||||
|
||||
console.log('🔧 全局错误处理已设置');
|
||||
}
|
||||
|
||||
/**
|
||||
* 处理全局错误
|
||||
* @param {ErrorEvent} event - 错误事件
|
||||
*/
|
||||
_handleGlobalError(event) {
|
||||
console.error('🚨 全局错误捕获:', {
|
||||
message: event.message,
|
||||
filename: event.filename,
|
||||
lineno: event.lineno,
|
||||
colno: event.colno,
|
||||
error: event.error
|
||||
});
|
||||
|
||||
// 发布错误事件
|
||||
eventBus.emit(GLOBAL_EVENT_TYPES.SYSTEM_ERROR, {
|
||||
type: 'javascript_error',
|
||||
message: event.message,
|
||||
filename: event.filename,
|
||||
lineno: event.lineno,
|
||||
colno: event.colno,
|
||||
stack: event.error?.stack,
|
||||
timestamp: Date.now()
|
||||
});
|
||||
}
|
||||
|
||||
/**
|
||||
* 处理未捕获的Promise拒绝
|
||||
* @param {PromiseRejectionEvent} event - Promise拒绝事件
|
||||
*/
|
||||
_handleUnhandledRejection(event) {
|
||||
console.error('🚨 未处理的Promise拒绝:', {
|
||||
reason: event.reason,
|
||||
promise: event.promise
|
||||
});
|
||||
|
||||
// 发布错误事件
|
||||
eventBus.emit(GLOBAL_EVENT_TYPES.SYSTEM_ERROR, {
|
||||
type: 'unhandled_promise_rejection',
|
||||
reason: event.reason?.toString(),
|
||||
stack: event.reason?.stack,
|
||||
timestamp: Date.now()
|
||||
});
|
||||
}
|
||||
|
||||
/**
|
||||
* 启动性能监控
|
||||
*/
|
||||
async _startPerformanceMonitoring() {
|
||||
console.log('📊 启动性能监控...');
|
||||
|
||||
// 运行快速性能测试
|
||||
try {
|
||||
const report = await testActions.runAll(['panel', 'tabpage', 'area']);
|
||||
console.log('✅ 初始性能测试完成');
|
||||
|
||||
// 发布性能报告
|
||||
eventBus.emit(GLOBAL_EVENT_TYPES.PERFORMANCE_REPORT, {
|
||||
type: 'initial_test',
|
||||
report,
|
||||
timestamp: Date.now()
|
||||
});
|
||||
|
||||
} catch (error) {
|
||||
console.warn('⚠️ 初始性能测试失败:', error.message);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 启动健康检查
|
||||
*/
|
||||
_startHealthCheck() {
|
||||
// 每分钟执行一次健康检查
|
||||
this.healthCheckInterval = setInterval(this._healthCheck, 60000);
|
||||
|
||||
console.log('💚 健康检查已启动');
|
||||
}
|
||||
|
||||
/**
|
||||
* 执行健康检查
|
||||
*/
|
||||
_healthCheck() {
|
||||
if (this.isDestroyed) return;
|
||||
|
||||
const healthStatus = {
|
||||
timestamp: Date.now(),
|
||||
components: {},
|
||||
eventBus: {
|
||||
isActive: eventBus.isActive(),
|
||||
handlerCount: eventBus.getHandlerCount(),
|
||||
queuedEvents: eventBus.getQueuedEvents()
|
||||
},
|
||||
memory: performance.memory ? {
|
||||
used: performance.memory.usedJSHeapSize,
|
||||
total: performance.memory.totalJSHeapSize,
|
||||
limit: performance.memory.jsHeapSizeLimit
|
||||
} : null,
|
||||
issues: []
|
||||
};
|
||||
|
||||
// 检查组件状态
|
||||
for (const [name, component] of this.components) {
|
||||
component.status = 'active'; // 简化实现，实际应该检查组件健康状态
|
||||
|
||||
healthStatus.components[name] = {
|
||||
status: component.status,
|
||||
error: component.error,
|
||||
initializedAt: component.initializedAt
|
||||
};
|
||||
|
||||
if (component.status === 'error') {
|
||||
healthStatus.issues.push({
|
||||
component: name,
|
||||
type: 'component_error',
|
||||
message: component.error
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
// 检查事件总线状态
|
||||
if (healthStatus.eventBus.handlerCount === 0) {
|
||||
healthStatus.issues.push({
|
||||
component: 'eventBus',
|
||||
type: 'no_handlers',
|
||||
message: '事件总线没有注册的事件处理器'
|
||||
});
|
||||
}
|
||||
|
||||
// 发布健康检查结果
|
||||
eventBus.emit(GLOBAL_EVENT_TYPES.HEALTH_CHECK, healthStatus);
|
||||
}
|
||||
|
||||
/**
|
||||
* 获取系统状态
|
||||
* @returns {Object} 系统状态
|
||||
*/
|
||||
getSystemStatus() {
|
||||
return {
|
||||
initialized: this.isInitialized,
|
||||
destroyed: this.isDestroyed,
|
||||
config: this.config,
|
||||
components: Object.fromEntries(this.components),
|
||||
eventRoutes: Object.fromEntries(this.eventRoutes),
|
||||
initializedHandlers: Array.from(this.initializedHandlers),
|
||||
eventBusStats: eventBus.getStats(),
|
||||
uptime: Date.now() - (this.startTime || Date.now())
|
||||
};
|
||||
}
|
||||
|
||||
/**
|
||||
* 重启组件
|
||||
* @param {string} componentName - 组件名称
|
||||
*/
|
||||
async restartComponent(componentName) {
|
||||
const component = this.components.get(componentName);
|
||||
if (!component) {
|
||||
throw new Error(`未找到组件: ${componentName}`);
|
||||
}
|
||||
|
||||
console.log(`🔄 重启组件: ${componentName}`);
|
||||
|
||||
try {
|
||||
// 销毁组件
|
||||
if (typeof component.handler.destroy === 'function') {
|
||||
await component.handler.destroy();
|
||||
}
|
||||
|
||||
// 重新初始化组件
|
||||
if (typeof component.handler.initialize === 'function') {
|
||||
await component.handler.initialize();
|
||||
}
|
||||
|
||||
// 更新状态
|
||||
component.status = 'active';
|
||||
component.error = null;
|
||||
component.restartedAt = Date.now();
|
||||
|
||||
console.log(`✅ 组件重启成功: ${componentName}`);
|
||||
|
||||
// 发布重启事件
|
||||
eventBus.emit(GLOBAL_EVENT_TYPES.COMPONENT_RESTARTED, {
|
||||
componentName,
|
||||
timestamp: Date.now()
|
||||
});
|
||||
|
||||
} catch (error) {
|
||||
component.status = 'error';
|
||||
component.error = error.message;
|
||||
|
||||
console.error(`❌ 组件重启失败 [${componentName}]:`, error);
|
||||
|
||||
throw error;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 销毁事件总线系统
|
||||
*/
|
||||
async destroy() {
|
||||
if (!this.isInitialized || this.isDestroyed) {
|
||||
return;
|
||||
}
|
||||
|
||||
console.log('🗑️ 销毁事件总线系统...');
|
||||
this.isDestroyed = true;
|
||||
|
||||
try {
|
||||
// 停止健康检查
|
||||
if (this.healthCheckInterval) {
|
||||
clearInterval(this.healthCheckInterval);
|
||||
this.healthCheckInterval = null;
|
||||
}
|
||||
|
||||
// 移除全局错误处理
|
||||
window.removeEventListener('error', this._handleGlobalError);
|
||||
window.removeEventListener('unhandledrejection', this._handleUnhandledRejection);
|
||||
|
||||
// 销毁所有组件
|
||||
for (const [name, component] of this.components) {
|
||||
try {
|
||||
if (typeof component.handler.destroy === 'function') {
|
||||
await component.handler.destroy();
|
||||
}
|
||||
console.log(`✅ 组件销毁成功: ${name}`);
|
||||
} catch (error) {
|
||||
console.error(`❌ 组件销毁失败 [${name}]:`, error);
|
||||
}
|
||||
}
|
||||
|
||||
// 清空数据
|
||||
this.components.clear();
|
||||
this.eventRoutes.clear();
|
||||
this.initializedHandlers.clear();
|
||||
|
||||
// 销毁测试器
|
||||
if (typeof integrationTester.destroy === 'function') {
|
||||
integrationTester.destroy();
|
||||
}
|
||||
|
||||
console.log('✅ 事件总线系统已完全销毁');
|
||||
|
||||
} catch (error) {
|
||||
console.error('❌ 事件总线系统销毁过程中发生错误:', error);
|
||||
throw error;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// 创建单例实例
|
||||
const eventBusManager = new EventBusManager();
|
||||
|
||||
// 便捷API
|
||||
export const systemActions = {
|
||||
/**
|
||||
* 初始化事件总线系统
|
||||
* @param {Object} config - 配置选项
|
||||
*/
|
||||
initialize: (config) => eventBusManager.initialize(config),
|
||||
|
||||
/**
|
||||
* 获取系统状态
|
||||
* @returns {Object} 系统状态
|
||||
*/
|
||||
getStatus: () => eventBusManager.getSystemStatus(),
|
||||
|
||||
/**
|
||||
* 重启组件
|
||||
* @param {string} componentName - 组件名称
|
||||
*/
|
||||
restartComponent: (componentName) => eventBusManager.restartComponent(componentName),
|
||||
|
||||
/**
|
||||
* 运行集成测试
|
||||
* @param {Array} suites - 测试套件列表
|
||||
* @returns {Promise} 测试报告
|
||||
*/
|
||||
runTests: (suites) => testActions.runAll(suites),
|
||||
|
||||
/**
|
||||
* 获取性能摘要
|
||||
* @returns {Object} 性能摘要
|
||||
*/
|
||||
getPerformanceSummary: () => testActions.getPerformanceSummary(),
|
||||
|
||||
/**
|
||||
* 销毁系统
|
||||
*/
|
||||
destroy: () => eventBusManager.destroy()
|
||||
};
|
||||
|
||||
// 导出所有API
|
||||
export const dockLayoutActions = {
|
||||
// 事件总线API
|
||||
...eventBusActions,
|
||||
|
||||
// Panel API
|
||||
...panelActions,
|
||||
|
||||
// TabPage API
|
||||
...tabPageActions,
|
||||
|
||||
// Area API
|
||||
...areaActions,
|
||||
|
||||
// 全局事件 API
|
||||
...globalEventActions,
|
||||
|
||||
// 拖拽状态 API
|
||||
...dragStateActions,
|
||||
|
||||
// 系统 API
|
||||
...systemActions
|
||||
};
|
||||
|
||||
// 默认导出管理器实例
|
||||
export default eventBusManager;
|
||||
|
||||
// 导出的常量
|
||||
export {
|
||||
EVENT_BUS_CONFIG,
|
||||
EVENT_TYPES,
|
||||
PANEL_EVENT_TYPES,
|
||||
TABPAGE_EVENT_TYPES,
|
||||
AREA_EVENT_TYPES,
|
||||
GLOBAL_EVENT_TYPES,
|
||||
DRAG_STATE_TYPES,
|
||||
TEST_CONFIG
|
||||
};
|
||||
Reference in New Issue
Block a user