xenadmin/XenAdmin/Wizards/PatchingWizard/PatchingWizard_ModePage.cs

/* Copyright (c) Citrix Systems Inc. 
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 * 
 * Redistribution and use in source and binary forms, 
 * with or without modification, are permitted provided 
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 * *   Redistributions of source code must retain the above 
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 *     following disclaimer. 
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using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Text;
using System.Windows.Forms;
using XenAdmin.Actions;
using XenAdmin.Controls;
using XenAdmin.Core;
using XenAdmin.Dialogs;
using XenAPI;

namespace XenAdmin.Wizards.PatchingWizard
{
    public partial class PatchingWizard_ModePage : XenTabPage
    {
        public PatchingWizard_ModePage()
        {
            InitializeComponent();
        }

        public override string Text
        {
            get { return Messages.PATCHINGWIZARD_MODEPAGE_TEXT; }
        }

        public override string PageTitle
        {
            get { return Messages.PATCHINGWIZARD_MODEPAGE_TITLE; }
        }

        public override string HelpID
        {
            get { return "UpdateMode"; }
        }

        public override bool EnablePrevious()
        {
            return true;
        }

        public override string NextText(bool isLastPage)
        {
            return Messages.UPDATES_WIZARD_APPLY_UPDATE;
        }
        
        public override void PageLoaded(PageLoadedDirection direction)
        {
            base.PageLoaded(direction);

            textBoxLog.Clear();

            switch (SelectedUpdateType)
            {
                case UpdateType.NewRetail:
                case UpdateType.Existing:
                    textBoxLog.Text = new PatchingWizardModeGuidanceBuilder().ModeRetailPatch(SelectedServers, Patch);
                    if (Helpers.MidnightRideOrGreater(SelectedServers[0].Connection))
                    {
                        AutomaticRadioButton.Enabled = true;
                        AutomaticRadioButton.Checked = true;
                    }
                    else
                    {
                        AutomaticRadioButton.Enabled = false;
                        ManualRadioButton.Checked = true;
                    }
                    break;
                case UpdateType.NewOem:
                    ManualRadioButton.Checked = true;
                    AutomaticRadioButton.Enabled = false;
                    textBoxLog.Text = ModeNewOem(SelectedServers);
                    break;
            }
        }

        private static string ModeNewOem(List<Host> hosts)
        {
            StringBuilder sbLog = new StringBuilder();

            sbLog.AppendLine(Messages.PATCHING_EJECT_CDS);

            //Add master
            Host master = Helpers.GetMaster(hosts[0].Connection);
            Pool pool = Helpers.GetPool(master.Connection);
            if (pool != null && pool.ha_enabled)
            {
                sbLog.AppendLine(Messages.PATCHING_WARNING_HA);
            }
            sbLog.AppendLine(Messages.PATCHINGWIZARD_MODEPAGE_RESTARTSERVERS);
            sbLog.AppendFormat("\t{0}\r\n", master.Name);
            hosts.Remove(master);
            //Add slaves
            foreach (Host host in hosts)
            {
                sbLog.AppendFormat("\t{0}\r\n", host.Name);
            }
            return sbLog.ToString();
        }



        public override bool EnableNext()
        {
            return AutomaticRadioButton.Checked || ManualRadioButton.Checked;
        }

        private void UpdateEnablement()
        {
            textBoxLog.Enabled = ManualRadioButton.Checked;
            OnPageUpdated();
        }

        #region Accessors

        public string ManualTextInstructions
        {
            get
            {
                return textBoxLog.Text;
            }
        }

        public bool IsAutomaticMode
        {
            get
            {
                return AutomaticRadioButton.Checked;
            }
        }

        public List<Host> SelectedServers { private get; set; }
        public Pool_patch Patch { private get; set; }
        public UpdateType SelectedUpdateType { private get; set; }

        #endregion

        private void AutomaticRadioButton_CheckedChanged(object sender, EventArgs e)
        {
            UpdateEnablement();
        }

        private void ManualRadioButton_CheckedChanged(object sender, EventArgs e)
        {
            UpdateEnablement();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            string filePath = Path.GetTempFileName();
            FileStream fileStream = File.Create(filePath);
            StreamWriter sw = new StreamWriter(fileStream);
            sw.Write(textBoxLog.Text);
            sw.Close();
            fileStream.Close();
            Process.Start("notepad.exe", filePath);
        }
    }


}