Configurator/UI/Controls/RemoveAllPage.cs

/* Copyright (c) 2023, 2024, Oracle and/or its affiliates.

  This program is free software; you can redistribute it and/or modify 
  it under the terms of the GNU General Public License, version 2.0, as 
  published by the Free Software Foundation.

  This program is designed to work with certain software (including
  but not limited to OpenSSL) that is licensed under separate terms, as
  designated in a particular file or component or in included license
  documentation. The authors of MySQL hereby grant you an additional
  permission to link the program and your derivative works with the
  separately licensed software that they have either included with
  the program or referenced in the documentation.

  This program is distributed in the hope that it will be useful, but 
  WITHOUT ANY WARRANTY; without even the implied warranty of 
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 
  See the GNU General Public License, version 2.0, for more details. 

  You should have received a copy of the GNU General Public License 
  along with this program; if not, write to the Free Software Foundation, Inc., 
  51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using WexInstaller.Properties;
using WexInstaller.Core;
using System.Threading;

namespace WexInstaller
{
    public partial class RemoveAllPage : UserControl
    {
        SolidBrush darkGrayBrush = new SolidBrush(Color.DarkGray);
        Font titleFont = System.Drawing.SystemFonts.CaptionFont;

        ListViewItem removingItem;

        private AutoResetEvent clearedToProceed;

        public RemoveAllPage()
        {
            InitializeComponent();

            productList.Items.Clear();
            foreach (ProductCategory pc in ProductManager.ProductCategories)
            {
                foreach (Product p in pc.Products)
                {
                    if (p.Installed)
                    {
                        ListViewItem item = new ListViewItem(p.TitleWithVersion);
                        item.Name = p.Title;
                        item.Tag = p;
                        item.SubItems.Add(String.Empty);
                        item.SubItems.Add(String.Empty);
                        item.Checked = true;
                        productList.Items.Add(item);
                    }
                }
            }

            clearedToProceed = new AutoResetEvent(true);
        }

        private void cancelBtn_Click(object sender, EventArgs e)
        {
            (this.ParentForm as MainForm).GoBack();
        }

        private void ProductInstallProgressChanged(object sender, ProductMSIActionProgressEventArgs pe)
        {
          detailedLog.AppendText(String.Format("Beginning removal of {0}.{1}", (sender as Product).Title, Environment.NewLine));
          detailedLog.AppendText(String.Format("{0}{1}", pe.Message, Environment.NewLine));
          removingItem.SubItems[1].Text = String.Format(Resources.StatusPercentage, pe.ProgressPercentage);
        }

        private void ProductInstallCompleted(object sender, ProductMSIActionCompletedEventArgs pe)
        {
          if (pe.ExitCode != 0)
          {
            detailedLog.AppendText(String.Format("The product {0} failed to remove successfully.{1}", (sender as Product).Title, Environment.NewLine));
          }
          else
          {
            detailedLog.AppendText(String.Format("The product {0} was successfully removed.{1}", (sender as Product).Title, Environment.NewLine));
          }
          detailedLog.AppendText(Environment.NewLine);

          clearedToProceed.Set();

          if (removingItem.Index == productList.Items.Count - 1)
          {
            closeButton.Enabled = true;
            closeButton.Visible = true;

            cancelBtn.Enabled = false;
            cancelBtn.Visible = false;
          }
        }

        private void startButton_Click(object sender, EventArgs e)
        {
            enableDetails.Visible = true;

            if (productList.CheckedItems.Count > 0)
            {
                DialogResult result = MessageBox.Show("Are you sure you wish to remove all listed products?", "Confirm Removal", MessageBoxButtons.YesNo, MessageBoxIcon.Exclamation);
                if (result == DialogResult.Yes)
                {
                    startButton.Enabled = false;

                    int totalRemaining = productList.CheckedItems.Count;
                    while (totalRemaining > 0)
                    {
                        if (clearedToProceed.WaitOne(1))
                        {
                            totalRemaining = productList.CheckedItems.Count;
                            foreach (ListViewItem item in productList.CheckedItems)
                            {
                                Product p = (item.Tag as Product);
                                ProductState state = p.CurrentState;
                                if (p.CurrentState == ProductState.RemoveStarted ||
                                    p.CurrentState == ProductState.RemoveInProgress)
                                {
                                    continue;
                                }

                                if (p.CurrentState == ProductState.InstallSuccess ||
                                   p.CurrentState == ProductState.CurrentlyInstalled )
                                {
                                    clearedToProceed.Reset();
                                    removingItem = item;
                                    p.ProductMSIActionProgressChanged +=new ProductMSIActionProgressHandler(ProductInstallProgressChanged);
                                    p.ProductMSIActionCompleted += new ProductMSIActionCompleteHandler(ProductInstallCompleted);
                                    p.Remove();
                                    totalRemaining--;
                                    break;
                                }
                                else
                                {
                                    totalRemaining--;
                                }
                            }
                        }
                        Application.DoEvents();
                        Thread.Sleep(0);
                    }
                }
            }
            else
            {
                startButton.Enabled = false;
                MessageBox.Show("No products selected for removal at this time.", "Nothing to do", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
                startButton.Enabled = true;
            }
        }

        private void closeButton_Click(object sender, EventArgs e)
        {
            Application.Exit();
        }

        private void productList_ColumnClick(object sender, ColumnClickEventArgs e)
        {
            switch (e.Column)
            {
                case 0:
                    ListView l = sender as ListView;
                    foreach (ListViewItem li in l.Items)
                    {
                        li.Checked = !li.Checked;
                    }
                    break;
                default:
                    break;
            }
        }

        private void enableDetails_Click(object sender, EventArgs e)
        {
            enableDetails.Visible = false;
            detailedLog.Visible = true;
            detailedLog.BringToFront();
        }

    }
}