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ActivateActivity.aspx.cs：源码内容
							﻿using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
namespace OThinker.H3.Portal
{
    /// <summary>
    /// 完成一个任务同时跳转到另外一个任务上
    /// </summary>
    public partial class ActivateActivity : PortalPage
    {
        #region 获得参数信息
        // 当前的任务
        private string InstanceId
        {
            get
            {
                return this.Request.QueryString[Param_InstanceId];
            }
        }
        public OThinker.H3.Instance.InstanceContext InstanceContext
        {
            get
            {
                string sessionName = OThinker.H3.WorkSheet.Sessions.GetInstanceContext(this.InstanceId);
                if (this.Session[sessionName] == null)
                {
                    this.Session[sessionName] = OThinker.H3.Server.Engine.InstanceManager.GetInstanceContext(this.InstanceId);
                }
                return (OThinker.H3.Instance.InstanceContext)this.Session[sessionName];
            }
            set
            {
                string sessionName = OThinker.H3.WorkSheet.Sessions.GetInstanceContext(this.InstanceId);
                this.Session[sessionName] = value;
            }
        }
        private string WorkflowPackage
        {
            get
            {
                return this.InstanceContext.WorkflowPackage;
            }
        }
        private string WorkflowName
        {
            get
            {
                return this.InstanceContext.WorkflowName;
            }
        }
        private int WorkflowVersion
        {
            get
            {
                return this.InstanceContext.WorkflowVersion;
            }
        }
        private OThinker.H3.WorkflowTemplate.WorkflowTemplate WorkflowTemplate
        {
            get
            {
                string sessionName = OThinker.H3.WorkSheet.Sessions.GetWorkflow(
                    this.WorkflowPackage,
                    this.WorkflowName,
                    this.WorkflowVersion);
                if (this.Session[sessionName] == null)
                {
                    this.Session[sessionName] = OThinker.H3.Server.Engine.WorkflowManager.GetWorkflow(
                        this.WorkflowPackage,
                        this.WorkflowName,
                        this.WorkflowVersion);
                }
                return (OThinker.H3.WorkflowTemplate.WorkflowTemplate)this.Session[sessionName];
            }
        }
        private string DestActivityName
        {
            get
            {
                return System.Web.HttpUtility.UrlDecode(this.Request.QueryString[Param_DestActivityName]);
            }
        }
        // 目标任务
        private OThinker.H3.WorkflowTemplate.ActivityTemplate DestActivity
        {
            get
            {
                if (this.WorkflowTemplate == null)
                {
                    return null;
                }
                else
                {
                    OThinker.H3.WorkflowTemplate.ActivityTemplate activity = this.WorkflowTemplate.GetActivity(this.DestActivityName);
                    return activity;
                }
            }
        }
        #endregion
        #region 流程数据集
        private string[] GetOptionalParticipants()
        {
            // 获得后续的参与者
            string originator = OThinker.H3.Server.Engine.InstanceManager.GetInstanceOriginator(this.InstanceId);
            // 准备数据集
            H3.Data.InstanceData data = new OThinker.H3.Data.InstanceData(
                    OThinker.H3.Server.Engine.InstanceDataManager,
                    OThinker.H3.Server.Engine.WorkflowManager,
                    OThinker.H3.Server.Engine.InstanceManager,
                    this.InstanceId,
                    OThinker.H3.Instance.Token.UnspecifiedID, 
                    this.WorkflowTemplate,
                    null,
                    this.UserValidator.UserID,
                    null);
            data.UseCache = true;
            data.AutoLookupParent = false;
            return this.DestActivity.ParseParticipants(
                        OThinker.H3.Server.Engine.Organization,
                        this.InstanceId,
                        OThinker.H3.Instance.Token.UnspecifiedID, 
                        OThinker.H3.Server.Engine.InstanceManager,
                        OThinker.H3.Server.Engine.TokenPool, 
                        OThinker.H3.Server.Engine.WorkItemManager,
                        data,
                        this.UserValidator.UserID);
        }
        #endregion
        protected void Page_Load(object sender, System.EventArgs e)
        {
            if (!this.IsPostBack)
            {
                if (this.DestActivity == null)
                {
                    this.btnSubmit_Click(null, null);
                }
                else if (this.DestActivity.ParticipateType == OThinker.H3.WorkflowTemplate.ActivityParticipateType.NoneParticipant)
                {
                    this.btnSubmit_Click(null, null);
                }
                else if (this.DestActivity.ParticipateType == OThinker.H3.WorkflowTemplate.ActivityParticipateType.SingleParticipant)
                {
                    string[] participants = this.GetOptionalParticipants();
                    if (participants == null || participants.Length == 0)
                    {
                        this.NotifyMessage("该任务设计有问题，没有可选择的处理人");
                    }
                    else
                    {
                        int optionalReceiverCount = 0;
                        foreach (string receiver in participants)
                        {
                            if (receiver != null && receiver != "")
                            {
                                string receiverName = OThinker.H3.Server.Engine.Organization.GetFullName(receiver);
                                this.ReceiverSelector.Items.Add(receiverName);
                                optionalReceiverCount++;
                            }
                        }
                        this.ReceiverSelector.SelectedIndex = 0;
                        this.ReceiverSelector.Visible = true;
                        if (optionalReceiverCount == 1)
                        {
                            this.btnSubmit_Click(null, null);
                        }
                    }
                }
                else if (this.DestActivity.ParticipateType == OThinker.H3.WorkflowTemplate.ActivityParticipateType.MultiParticipants)
                {
                    string[] participants = this.GetOptionalParticipants();
                    if (participants == null || participants.Length == 0)
                    {
                        this.NotifyMessage("该任务设计有问题，没有可选择的处理人");
                    }
                    else
                    {
                        int optionalReceiverCount = 0;
                        foreach (string receiver in participants)
                        {
                            if (receiver != null && receiver != "")
                            {
                                string receiverName = OThinker.H3.Server.Engine.Organization.GetFullName(receiver);
                                this.ReceiversSelector.Items.Add(receiverName);
                                optionalReceiverCount++;
                            }
                        }
                        this.ReceiversSelector.SelectedIndex = 0;
                        this.ReceiversSelector.Visible = true;
                        if (optionalReceiverCount == 1)
                        {
                            this.btnSubmit_Click(null, null);
                        }
                    }
                }
                else if (this.DestActivity.ParticipateType == OThinker.H3.WorkflowTemplate.ActivityParticipateType.AllParticipants)
                {
                    this.btnSubmit_Click(null, null);
                }
                else
                {
                    throw new NotImplementedException();
                }
            }
        }
        #region Web Form Designer generated code
        override protected void OnInit(EventArgs e)
        {
            //
            // CODEGEN: This call is required by the ASP.NET Web Form Designer.
            //
            InitializeComponent();
            base.OnInit(e);
        }
        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent()
        {
        }
        #endregion
        protected void btnSubmit_Click(object sender, System.EventArgs e)
        {
            // 触发后面的Activity
            string[] participants = this.GetSelectedParticipants();
            // 检查是否有选中参与者
            if (this.ReceiversSelector != null && this.ReceiversSelector.Items.Count > 1)
            {
                if (participants == null || participants.Length == 0)
                {
                    this.NotifyMessage("请选择参与者");
                }
            }
            // 准备触发后面Activity的消息
            OThinker.H3.Messages.ActivateActivityMessage activateMessage
                = new OThinker.H3.Messages.ActivateActivityMessage(
                OThinker.H3.Messages.MessageEmergencyType.Normal,
                this.InstanceId,
                this.DestActivity.Name,
                OThinker.H3.Instance.Token.UnspecifiedID,
                participants,
                null,
                false,
                Messages.ActivateType.Normal,
                null);
            OThinker.H3.Server.Engine.InstanceManager.SendMessage(activateMessage);
            this.NotifyMessage("活动已经激活");
        }
        private string[] GetSelectedParticipants()
        {
            // 参与者
            string[] participants;
            if (this.DestActivity.ParticipateType == OThinker.H3.WorkflowTemplate.ActivityParticipateType.NoneParticipant)
            {
                // 参与人为空
                participants = new string[0];
            }
            else if (this.DestActivity.ParticipateType == OThinker.H3.WorkflowTemplate.ActivityParticipateType.SingleParticipant)
            {
                // 选中的参与人
                string receiver = this.ReceiverSelector.SelectedValue;
                int startIndex = receiver.LastIndexOf("[");
                int endIndex = receiver.LastIndexOf("]");
                string alias = receiver.Substring(startIndex + 1, endIndex - startIndex - 1);
                string userId = OThinker.H3.Server.Engine.Organization.GetUserIDByAlias(alias);
                participants = new string[] { userId };
            }
            else if (this.DestActivity.ParticipateType == OThinker.H3.WorkflowTemplate.ActivityParticipateType.MultiParticipants)
            {
                ArrayList selectedReceivers = new ArrayList();
                foreach (System.Web.UI.WebControls.ListItem item in this.ReceiversSelector.Items)
                {
                    if (item.Selected)
                    {
                        string receiver = item.Text;
                        int startIndex = receiver.LastIndexOf("[");
                        int endIndex = receiver.LastIndexOf("]");
                        string principalName = receiver.Substring(startIndex + 1, endIndex - startIndex - 1);
                        selectedReceivers.Add(principalName);
                    }
                }
                // 获得可选择的接收者
                string[] receivers = new string[selectedReceivers.Count];
                for (int count = 0; count < receivers.Length; count++)
                {
                    string userId = OThinker.H3.Server.Engine.Organization.GetUserIDByAlias((string)selectedReceivers[count]);
                    receivers[count] = userId;
                }
                // 选中的参与人
                participants = receivers;
            }
            else if (this.DestActivity.ParticipateType == OThinker.H3.WorkflowTemplate.ActivityParticipateType.AllParticipants)
            {
                participants = this.GetOptionalParticipants();
            }
            else
            {
                throw new NotImplementedException();
            }
            return participants;
        }
    }
}

						