78 lines
2.5 KiB
C#
78 lines
2.5 KiB
C#
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using Autodesk.Revit.UI;
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using System;
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using System.Collections.Concurrent;
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using System.Threading.Tasks;
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namespace RevitTools.Utils.Revit
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{
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/// <summary>
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/// 外部事件封装类
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/// </summary>
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public class ExEventUtils
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{
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/// <summary>
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/// 创建外部事件
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/// </summary>
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/// <param name="handleName"></param>
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private ExEventUtils(string handleName)
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{
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this.Handle = new ExEventHandle(handleName);
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this.ExEvent = ExternalEvent.Create(this.Handle);
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}
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/// <summary>
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/// 外部事件实例
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/// </summary>
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private readonly ExternalEvent ExEvent;
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/// <summary>
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/// 外部事件处理程序
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/// </summary>
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private readonly ExEventHandle Handle;
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/// <summary>
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/// 在外部事件中执行函数, 可以等待函数执行完成
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/// </summary>
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/// <param name="action">要执行的函数</param>
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/// <param name="transactionGroupName">事务组名</param>
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/// <returns></returns>
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public async Task InvokeAsync(Action<UIApplication> action)
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{
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var workItem = new ExEventWorkItem(action);
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Handle.ExEventQueue.Enqueue(workItem);
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ExEvent.Raise();
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await workItem.CompletionSource.Task;
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}
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/// <summary>
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/// 在外部事件中执行函数, 并且可以等待函数执行完成
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="func">要执行的函数</param>
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/// <returns></returns>
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public async Task<T> InvokeAsync<T>(Func<UIApplication, T> func)
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{
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object func1(UIApplication app)
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{
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return func(app);
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}
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var workItem = new ExEventWorkItem(func1);
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Handle.ExEventQueue.Enqueue(workItem);
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ExEvent.Raise();
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var result = await workItem.CompletionSource.Task;
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return (T)result;
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}
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/// <summary>
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/// 获取或创建外部事件处理实例
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/// </summary>
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/// <param name="name">外部事件处理程序名称</param>
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/// <returns></returns>
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public static ExEventUtils GetOrCreate(string name = "ScriptPadExEventHandle")
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{
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return EventUtils.GetOrAdd(name, new ExEventUtils(name));
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}
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private static readonly ConcurrentDictionary<string, ExEventUtils> EventUtils = new ConcurrentDictionary<string, ExEventUtils>();
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}
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}
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