mirror of
https://gitee.com/langsisi_admin/serein-flow
synced 2026-03-03 00:00:49 +08:00
671 lines
23 KiB
C#
671 lines
23 KiB
C#
using Serein.Library;
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using Serein.Library.Api;
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using Serein.Library.Utils;
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using Serein.NodeFlow.Model.Nodes;
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using Serein.NodeFlow.Services;
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using Serein.NodeFlow.Tool;
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using System;
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using System.Diagnostics.CodeAnalysis;
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using System.Text;
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namespace Serein.NodeFlow.Env
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{
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/// <summary>
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/// 运行环境
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/// </summary>
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internal partial class LocalFlowEnvironment : IFlowEnvironment
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{
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/// <summary>
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/// 节点的命名空间
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/// </summary>
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public const string SpaceName = $"{nameof(Serein)}.{nameof(NodeFlow)}.{nameof(Model)}";
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/*public const string ThemeKey = "theme";
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public const string DataKey = "data";
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public const string MsgIdKey = "msgid";
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*/
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/// <summary>
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/// 流程运行环境
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/// </summary>
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public LocalFlowEnvironment(IFlowEnvironment flowEnvironment,
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IFlowEnvironmentEvent flowEnvironmentEvent,
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FlowLibraryService flowLibraryManagement,
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FlowOperationService flowOperationService,
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FlowModelService flowModelService,
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IFlowControl flowControl,
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IFlowEdit flowEdit,
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ISereinIOC sereinIOC,
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NodeMVVMService nodeMVVMService)
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{
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Event = flowEnvironmentEvent;
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NodeMVVMManagement = nodeMVVMService;
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FlowEdit = flowEdit;
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IOC = sereinIOC;
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FlowControl = flowControl;
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_flowLibraryService = flowLibraryManagement;
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_flowModelService = flowModelService;
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_flowOperationService = flowOperationService;
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_IsGlobalInterrupt = false;
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_flowEnvIOC = sereinIOC;
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}
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#region 远程管理
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//private MsgControllerOfServer clientMsgManage;
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/// <summary>
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/// <para>表示是否正在控制远程</para>
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/// <para>Local control remote env</para>
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/// </summary>
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public bool IsControlRemoteEnv { get; set; }
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/// <summary>
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/// 打开远程管理
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/// </summary>
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/// <param name="port"></param>
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public void StartRemoteServerAsync(int port = 7525)
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{
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/*if (clientMsgManage is null)
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{
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clientMsgManage = new MsgControllerOfServer(this);
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//clientMsgManage = new MsgControllerOfServer(this,"123456");
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}
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_ = clientMsgManage.StartRemoteServerAsync(port);*/
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}
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/// <summary>
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/// 结束远程管理
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/// </summary>
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public void StopRemoteServer()
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{
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/*try
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{
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clientMsgManage.StopRemoteServer();
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}
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catch (Exception ex)
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{
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SereinEnv.WriteLine(InfoType.ERROR, "结束远程管理异常：" + ex);
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}*/
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}
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#endregion
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#region 属性
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/// <summary>
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/// 当前环境
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/// </summary>
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public IFlowEnvironment CurrentEnv { get => this; }
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/// <summary>
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/// 流程事件
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/// </summary>
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public IFlowEnvironmentEvent Event { get; set; }
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/// <summary>
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/// 流程编辑接口
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/// </summary>
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public IFlowEdit FlowEdit { get; set; }
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/// <summary>
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/// 流程控制接口
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/// </summary>
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public IFlowControl FlowControl { get; set; }
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/// <summary>
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/// UI线程操作类
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/// </summary>
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public UIContextOperation? UIContextOperation { get; private set; }
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/// <summary>
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/// 节点MVVM管理服务
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/// </summary>
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public NodeMVVMService NodeMVVMManagement { get; private set; }
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/// <summary>
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/// 信息输出等级
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/// </summary>
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public InfoClass InfoClass { get; set; } = InfoClass.Trivial;
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/// <summary>
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/// 如果没有全局触发器，且没有循环分支，流程执行完成后自动为 Completion 。
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/// </summary>
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public RunState FlowState { get; set; } = RunState.NoStart;
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/// <summary>
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/// 环境名称
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/// </summary>
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public string EnvName { get; set; } = SpaceName;
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/// <summary>
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/// 本地加载的项目文件路径
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/// </summary>
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public string ProjectFileLocation { get; set; } = string.Empty;
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/// <summary>
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/// 是否全局中断
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/// </summary>
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public bool _IsGlobalInterrupt { get; set; }
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/// <summary>
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/// <para>单例模式IOC容器，内部维护了一个实例字典，默认使用类型的FullName作为Key，如果以“接口-实现类”的方式注册，那么将使用接口类型的FullName作为Key。</para>
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/// <para>当某个类型注册绑定成功后，将不会因为其它地方尝试注册相同类型的行为导致类型被重新创建。</para>
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/// </summary>
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public ISereinIOC IOC
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{
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get
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{
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if (flowRunIOC is null)
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{
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flowRunIOC = new SereinIOC();
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}
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return flowRunIOC;
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}
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set
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{
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flowRunIOC = value;
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}
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}
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#endregion
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#region 私有变量
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/// <summary>
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/// 流程运行时的IOC容器
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/// </summary>
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private ISereinIOC? flowRunIOC;
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/// <summary>
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/// local环境的IOC容器，主要用于注册本地环境的服务
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/// </summary>
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private ISereinIOC _flowEnvIOC;
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/// <summary>
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/// 通过程序集名称管理动态加载的程序集，用于节点创建提供方法描述，流程运行时提供Emit委托
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/// </summary>
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private readonly FlowLibraryService _flowLibraryService;
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/// <summary>
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/// 流程节点操作服务
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/// </summary>
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private readonly FlowOperationService _flowOperationService;
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/// <summary>
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/// 流程画布、节点实体管理服务
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/// </summary>
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private readonly FlowModelService _flowModelService;
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#endregion
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#region 环境对外接口
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/// <summary>
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/// 输出信息
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/// </summary>
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/// <param name="message">日志内容</param>
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/// <param name="type">日志类别</param>
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/// <param name="class">日志级别</param>
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public void WriteLine(InfoType type, string message, InfoClass @class = InfoClass.Trivial)
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{
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if (@class >= this.InfoClass)
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{
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Event.OnEnvOutput(type, message);
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}
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//Console.WriteLine($"{DateTime.UtcNow} [{type}] : {message}{Environment.NewLine}");
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}
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/// <summary>
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/// 保存项目
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/// </summary>
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public void SaveProject()
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{
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var project = GetProjectInfoAsync();
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Task.Run(async () =>
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{
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await SereinEnv.TriggerEvent(() =>
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{
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Event.OnProjectSaving(new ProjectSavingEventArgs(project));
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});
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});
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}
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/// <summary>
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/// 加载项目文件
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/// </summary>
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/// <param name="filePath"></param>
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public void LoadProject(string filePath)
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{
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string content = System.IO.File.ReadAllText(filePath); // 读取整个文件内容
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var FlowProjectData = JsonHelper.Deserialize<SereinProjectData>(content);
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var FileDataPath = System.IO.Path.GetDirectoryName(filePath)!; // filePath;//
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this.ProjectFileLocation = filePath;
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var projectData = FlowProjectData;
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// 加载项目配置文件
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var dllPaths = projectData.Librarys.Select(it => it.FilePath).ToList();
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List<MethodDetails> methodDetailss = [];
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// 遍历依赖项中的特性注解，生成方法详情
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foreach (var dllPath in dllPaths)
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{
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string cleanedRelativePath = dllPath.TrimStart('.', '\\');
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var tmpPath = Path.Combine(FileDataPath, cleanedRelativePath);
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var dllFilePath = Path.GetFullPath(tmpPath);
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LoadLibrary(dllFilePath); // 加载项目文件时加载对应的程序集
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}
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_ = Task.Run(async () =>
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{
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// 加载画布
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foreach (var canvasInfo in projectData.Canvass)
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{
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await LoadCanvasAsync(canvasInfo);
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}
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var nodeInfos = projectData.Nodes.ToList();
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await FlowEdit.LoadNodeInfosAsync(nodeInfos); // 加载节点信息
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// 加载画布
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foreach (var canvasInfo in projectData.Canvass)
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{
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FlowEdit.SetStartNode(canvasInfo.Guid, canvasInfo.StartNode); // 设置起始节点
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}
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Event.OnProjectLoaded(new ProjectLoadedEventArgs());
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});
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}
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public async Task LoadProjetAsync(string filePath)
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{
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string content = await System.IO.File.ReadAllTextAsync(filePath); // 读取整个文件内容
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var FlowProjectData = JsonHelper.Deserialize<SereinProjectData>(content);
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var FileDataPath = System.IO.Path.GetDirectoryName(filePath)!; // filePath;//
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if(FlowProjectData is null)
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{
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return;
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}
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this.ProjectFileLocation = filePath;
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var projectData = FlowProjectData;
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// 加载项目配置文件
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var dllPaths = projectData.Librarys.Select(it => it.FilePath).ToList();
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List<MethodDetails> methodDetailss = [];
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// 遍历依赖项中的特性注解，生成方法详情
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foreach (var dllPath in dllPaths)
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{
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string cleanedRelativePath = dllPath.TrimStart('.', '\\');
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var tmpPath = Path.Combine(filePath, cleanedRelativePath);
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var dllFilePath = Path.GetFullPath(tmpPath);
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LoadLibrary(dllFilePath); // 加载项目文件时加载对应的程序集
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}
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// 加载画布
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foreach (var canvasInfo in projectData.Canvass)
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{
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await LoadCanvasAsync(canvasInfo);
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}
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await FlowEdit.LoadNodeInfosAsync(projectData.Nodes.ToList()); // 加载节点信息
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// 加载画布
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foreach (var canvasInfo in projectData.Canvass)
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{
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FlowEdit.SetStartNode(canvasInfo.Guid, canvasInfo.StartNode); // 设置起始节点
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}
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Event.OnProjectLoaded(new ProjectLoadedEventArgs());
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}
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/// <summary>
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/// 序列化当前项目的依赖信息、节点信息
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/// </summary>
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/// <returns></returns>
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public SereinProjectData GetProjectInfoAsync()
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{
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var projectData = new SereinProjectData()
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{
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Librarys = this._flowLibraryService.GetAllLibraryInfo().ToArray(),
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Nodes = _flowModelService.GetAllNodeModel().Select(node => node.ToInfo()).Where(info => info is not null).ToArray(),
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Canvass = _flowModelService.GetAllCanvasModel().Select(canvas => canvas.ToInfo()).ToArray(),
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//StartNode = NodeModels.Values.FirstOrDefault(it => it.IsStart)?.Guid,
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};
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return projectData;
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}
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/// <summary>
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/// 从文件路径中加载DLL
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/// </summary>
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/// <param name="dllPath"></param>
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/// <returns></returns>
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public void LoadLibrary(string dllPath)
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{
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try
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{
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var libraryInfo = _flowLibraryService.LoadFlowLibrary(dllPath);
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if (libraryInfo is not null && libraryInfo.MethodInfos.Count > 0)
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{
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UIContextOperation?.Invoke(() => Event.OnDllLoad(new LoadDllEventArgs(libraryInfo))); // 通知UI创建dll面板显示
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}
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}
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catch (Exception ex)
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{
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SereinEnv.WriteLine(InfoType.ERROR, $"无法加载DLL文件：{ex.Message}");
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}
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}
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/// <summary>
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/// 移除DLL
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/// </summary>
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/// <param name="assemblyName"></param>
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/// <returns></returns>
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public bool TryUnloadLibrary(string assemblyName)
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{
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// 获取与此程序集相关的节点
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var groupedNodes = _flowModelService.GetAllNodeModel().Where(node => !string.IsNullOrWhiteSpace(node.MethodDetails.AssemblyName) && node.MethodDetails.AssemblyName.Equals(assemblyName)).ToArray();
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if (groupedNodes.Length == 0)
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{
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var isPass = _flowLibraryService.UnloadLibrary(assemblyName);
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return isPass;
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}
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else
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{
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StringBuilder sb = new StringBuilder();
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sb.AppendLine();
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for (int i = 0; i < groupedNodes.Length; i++)
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{
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IFlowNode? node = groupedNodes[i];
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sb.AppendLine($"{i} => {node.Guid}");
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}
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SereinEnv.WriteLine(InfoType.ERROR, $"无法卸载[{assemblyName}]程序集，因为这些节点依赖于此程序集：{sb.ToString()}");
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return false;
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}
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//var mds = FlowLibraryManagement.GetLibraryMdsOfAssmbly(assemblyName);
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//if(mds.Count > 0)
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//{
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//}
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//else
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//{
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// return true;
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//}
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//var library = LibraryInfos.Values.FirstOrDefault(nl => assemblyName.Equals(nl.AssemblyName));
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//if (library is null)
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//{
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// return false;
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//}
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//var groupedNodes = NodeModels.Values
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// .Where(node => node.MethodDetails is not null)
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// .ToArray()
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// .GroupBy(node => node.MethodDetails?.MethodName)
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// .ToDictionary(
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// key => key.Key,
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// group => group.Count());
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//if (NodeModels.Count == 0)
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//{
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// return true; // 当前无节点，可以直接删除
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//}
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//if (MethodDetailsOfLibraryInfos.TryGetValue(library, out var mds)) // 存在方法
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//{
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// foreach (var md in mds)
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// {
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// if (groupedNodes.TryGetValue(md.MethodName, out int count))
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// {
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// if (count > 0)
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// {
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// return false; // 创建过相关的节点，无法移除
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// }
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// }
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// }
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// // 开始移除相关信息
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// foreach (var md in mds)
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// {
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// MethodDetailss.TryRemove(md.MethodName, out _);
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// }
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// MethodDetailsOfLibraryInfos.TryRemove(library, out _);
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// return true;
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//}
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//else
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//{
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// return true;
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//}
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}
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private async Task<FlowCanvasDetails> LoadCanvasAsync(FlowCanvasDetailsInfo info)
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{
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var model = new FlowCanvasDetails(this);
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model.LoadInfo(info);
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_flowModelService.AddCanvasModel(model);
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if(UIContextOperation is null)
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{
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Event.OnCanvasCreated(new CanvasCreateEventArgs(model));
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}
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else
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{
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await UIContextOperation.InvokeAsync(() =>
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{
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Event.OnCanvasCreated(new CanvasCreateEventArgs(model));
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});
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}
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return model;
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}
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/// <summary>
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/// 获取方法描述
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/// </summary>
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public bool TryGetMethodDetailsInfo(string assemblyName, string methodName, out MethodDetailsInfo? mdInfo)
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{
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var isPass = _flowLibraryService.TryGetMethodDetails(assemblyName, methodName, out var md);
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if (!isPass || md is null)
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{
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mdInfo = null;
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return false;
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}
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else
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{
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mdInfo = md?.ToInfo();
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return true;
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}
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}
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/// <summary>
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/// <para>通过方法名称获取对应的Emit委托</para>
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/// <para>方法无入参时需要传入空数组，void方法自动返回null</para>
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/// <para>普通方法：Func<object,object[],object></para>
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/// <para>异步方法：Func<object,object[],Task></para>
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/// <para>异步有返回值方法：Func<object,object[],Task<object>></para>
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/// </summary>
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/// <param name="assemblyName"></param>
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/// <param name="methodName"></param>
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/// <param name="delegateDetails"></param>
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/// <returns></returns>
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public bool TryGetDelegateDetails(string assemblyName, string methodName, out DelegateDetails? delegateDetails)
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{
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return _flowLibraryService.TryGetDelegateDetails(assemblyName, methodName, out delegateDetails);
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}
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/// <summary>
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/// 设置在UI线程操作的线程上下文
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/// </summary>
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/// <param name="uiContextOperation"></param>
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public void SetUIContextOperation(UIContextOperation uiContextOperation)
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{
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if (uiContextOperation is null)
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{
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return;
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}
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this.UIContextOperation = uiContextOperation;
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IOC.Register<UIContextOperation>(() => uiContextOperation).Build();
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OnUIContextOperationSet();
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}
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///// <summary>
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///// 环境执行中断
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///// </summary>
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///// <returns></returns>
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//public async Task InterruptNode()
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//{
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// IsGlobalInterrupt = true;
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// var result = await ChannelFlowInterrupt.GetOrCreateChannelAsync(EnvName);
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// return result;
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//}
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|
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/// <summary>
|
||
/// 记录节点更改数据，防止重复更改
|
||
/// </summary>
|
||
public HashSet<(string, string, object)> NodeValueChangeLogger = new HashSet<(string, string, object)>();
|
||
|
||
/// <summary>
|
||
/// 数据更改通知（来自远程）
|
||
/// </summary>
|
||
/// <param name="nodeGuid">发生在哪个节点</param>
|
||
/// <param name="path">属性路径</param>
|
||
/// <param name="value">变化后的属性值</param>
|
||
/// <returns></returns>
|
||
public Task NotificationNodeValueChangeAsync(string nodeGuid, string path, object value)
|
||
{
|
||
// "NodeModel.Path"
|
||
if (TryGetNodeModel(nodeGuid, out var nodeModel))
|
||
{
|
||
//SerinExpressionEvaluator.Evaluate($"@Set .{path} = {value}", nodeModel, out _); // 更改对应的数据
|
||
}
|
||
|
||
|
||
return Task.CompletedTask;
|
||
//if (NodeValueChangeLogger.Remove((nodeGuid, path, value)))
|
||
//{
|
||
// // 说明存在过重复的修改
|
||
// return;
|
||
//}
|
||
//NodeValueChangeLogger.Add((nodeGuid, path, value));
|
||
|
||
//lock (NodeValueChangeLogger)
|
||
//{
|
||
|
||
// Interlocked.Add(ref i, 1);
|
||
// Console.WriteLine(i);
|
||
// var getExp = $"@Get .{path}";
|
||
// var setExp = $"@Set .{path} = {value}"; // 生成 set 表达式
|
||
// var oldValue = SerinExpressionEvaluator.Evaluate(getExp, nodeModel, out _);
|
||
// if(oldValue != value)
|
||
// {
|
||
// Console.WriteLine($"旧值：{getExp},result : {oldValue}");
|
||
// SerinExpressionEvaluator.Evaluate(setExp, nodeModel, out _); // 更改对应的数据
|
||
// Console.WriteLine($"新值：{getExp},result : {SerinExpressionEvaluator.Evaluate(getExp, nodeModel, out _)}");
|
||
// }
|
||
|
||
//}
|
||
|
||
|
||
|
||
}
|
||
|
||
/// <summary>
|
||
/// 从Guid获取画布
|
||
/// </summary>
|
||
/// <param name="nodeGuid">画布Guid</param>
|
||
/// <param name="canvasDetails">画布实体</param>
|
||
/// <returns>是否获取成功</returns>
|
||
/// <exception cref="ArgumentNullException">无法获取节点、Guid/节点为null时报错</exception>
|
||
public bool TryGetCanvasModel(string nodeGuid,[NotNullWhen(true)] out FlowCanvasDetails? canvasDetails)
|
||
{
|
||
if (string.IsNullOrEmpty(nodeGuid))
|
||
{
|
||
canvasDetails = null;
|
||
return false;
|
||
}
|
||
return _flowModelService.TryGetCanvasModel(nodeGuid, out canvasDetails);
|
||
|
||
}
|
||
|
||
/// <summary>
|
||
/// 从Guid获取节点
|
||
/// </summary>
|
||
/// <param name="nodeGuid">节点Guid</param>
|
||
/// <param name="nodeModel">节点Guid</param>
|
||
/// <returns>节点Model</returns>
|
||
/// <exception cref="ArgumentNullException">无法获取节点、Guid/节点为null时报错</exception>
|
||
public bool TryGetNodeModel(string nodeGuid, [NotNullWhen(true)] out IFlowNode? nodeModel)
|
||
{
|
||
if (string.IsNullOrEmpty(nodeGuid))
|
||
{
|
||
nodeModel = null;
|
||
return false;
|
||
}
|
||
return _flowModelService.TryGetNodeModel(nodeGuid, out nodeModel);
|
||
|
||
}
|
||
|
||
#endregion
|
||
|
||
#region 流程依赖类库的接口
|
||
|
||
/// <summary>
|
||
/// 运行时加载
|
||
/// </summary>
|
||
/// <param name="file">文件名</param>
|
||
/// <returns></returns>
|
||
public bool LoadNativeLibraryOfRuning(string file)
|
||
{
|
||
|
||
return NativeDllHelper.LoadDll(file);
|
||
}
|
||
|
||
/// <summary>
|
||
/// 运行时加载指定目录下的类库
|
||
/// </summary>
|
||
/// <param name="path">目录</param>
|
||
/// <param name="isRecurrence">是否递归加载</param>
|
||
public void LoadAllNativeLibraryOfRuning(string path, bool isRecurrence = true)
|
||
{
|
||
NativeDllHelper.LoadAllDll(path);
|
||
}
|
||
|
||
#endregion
|
||
|
||
/// <summary>
|
||
/// 设置了 UIContextOperation 需要立刻执行的方法，用于加载基础库，创建第一个画布。
|
||
/// </summary>
|
||
private void OnUIContextOperationSet()
|
||
{
|
||
var baseLibrary = _flowLibraryService.LoadBaseLibrary();
|
||
if (baseLibrary is not null && baseLibrary.MethodInfos.Count > 0)
|
||
{
|
||
UIContextOperation?.Invoke(() => Event.OnDllLoad(new LoadDllEventArgs(baseLibrary))); // 通知UI创建dll面板显示
|
||
}
|
||
|
||
// 创建第一个画布
|
||
FlowEdit.CreateCanvas("Default", 1920, 1080);
|
||
}
|
||
}
|
||
|
||
|
||
}
|
