OperationSystemForm : BaseWorkerForm

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading;
using System.Windows.Forms;
using WindowsFormsApplication3.Enums;
using WindowsFormsApplication3.DataStorge;
using WindowsFormsApplication3.Jobs;
using WindowsFormsApplication3.Jobs.Operation_System;

namespace WindowsFormsApplication3.FormPage
{
    public partial class OperationSystemForm : BaseWorkerForm
    {
        protected int finishedChildFormNO;
        protected CheckoutStep checkoutStep;


        public void StateChangeEvent()
        {
           // RefreshForm();
        }
        public bool identityByState(JobStatus jobStatus) {
            bool flag = true;
            foreach (BaseJob childjob in jobs)
            {
                if (childjob.Status != jobStatus)
                {
                    flag = false;
                    break;
                }
            }
            return flag;
        }
        public OperationSystemForm(CheckoutContext checkoutContext,CheckoutStep checkoutStep):base(checkoutContext,checkoutStep)
        {
            this.checkoutStep = checkoutStep;
            InitializeComponent();
            timer.Tick += new EventHandler(timer_Tick);
            ResetForm();

        }

        private void SetFormStatus() {
            foreach (BaseJob childj in jobs)
            {
                switch (childj.Status)
                {
                    case (JobStatus.Error):
                        this.status = FormStatus.Error;
                        break;
                    case (JobStatus.OK):
                        this.status = identityByState(JobStatus.OK) ? FormStatus.OK : status;
                        break;
                    case (JobStatus.Waiting):
                        this.status = identityByState(JobStatus.Waiting) ? FormStatus.Waiting : status;
                        break;
                    default:
                        break;
                }
            }
        }

        public override void Execute(object obj)
        {
            base.Execute(obj);
            ReportFormStatusChanged();
            foreach (BaseJob job in jobs)
            {
                job.JobStateChangeEvent += StateChangeEvent;
                ThreadPool.QueueUserWorkItem(new WaitCallback(job.Execute),null);

            }
            checkoutContext.logData.Start(checkoutStep, "");
        }

        public override void ResetForm()
        {
            base.ResetForm();
            jobs.Add(new Job1(checkoutContext,checkoutStep));
            jobs.Add(new Job2(checkoutContext, checkoutStep));
        }

        public override void RefreshForm()
        {
            base.RefreshForm();
            SetFormStatus();
            if(checkoutContext.messageList!=null)
            {
                if (listBox.Items.Count != 0)
                    listBox.Items.Clear();
                foreach (string m in checkoutContext.messageList)
                    listBox.Items.Add(m);
            }

        }
        private void timer_Tick(object sender, EventArgs e){
            RefreshForm();
        }
    }
}