Configurator/UI/Wizards/ServerConfigPages/ServerConfigDataDirectoryPage.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.

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  designated in a particular file or component or in included license
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  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 
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  51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */

using System;
using System.IO;
using System.Windows.Forms;
using MySql.Configurator.Core.Logging;
using MySql.Configurator.Core.Server;
using MySql.Configurator.UI.Forms;

namespace MySql.Configurator.UI.Wizards.ServerConfigPages
{
  public partial class ServerConfigDataDirectoryPage : ConfigWizardPage
  {
    #region Fields

    /// <summary>
    /// A configuration controller for a MySQL Server configuration.
    /// </summary>
    private readonly ServerConfigurationController _controller;

    #endregion Fields

    public ServerConfigDataDirectoryPage(ServerConfigurationController controller)
    {
      InitializeComponent();
      _controller = controller;
      ErrorProperties.IconPadding += 65;
    }

    public override void Activate()
    {
      DataDirectoryTextBox.Text = _controller.Settings.DataDirectory;
      FireAllValidations();
      base.Activate();
    }

    public override bool Next()
    {
      _controller.Settings.DataDirectory = DataDirectoryTextBox.Text;
      _controller.Settings.IniDirectory = _controller.Settings.DataDirectory;
      _controller.Settings.SecureFilePrivFolder = Path.Combine(_controller.Settings.IniDirectory, MySqlServerSettings.SECURE_FILE_PRIV_DIRECTORY);

      var mainForm = FindForm() as MainForm;
      if (mainForm != null)
      {
        mainForm.DataDirectoryLabel.Text = $"Data Directory: {_controller.Settings.DataDirectory}";
        Logger.LogInformation($"Status: {mainForm.ConfigurationTypeLabel.Text};{mainForm.VersionLabel.Text};{mainForm.DataDirectoryLabel.Text}");
        mainForm.StatusStrip.Refresh();
      }

      return base.Next();
    }

    /// <summary>
    /// Contains calls to methods that validate the given control's value.
    /// </summary>
    /// <returns>An error message or <c>null</c> / <see cref="string.Empty"/> if everything is valid.</returns>
    protected override string ValidateFields()
    {
      string errorMessage = base.ValidateFields();
      if (ErrorProviderControl.Enabled)
      {
        ErrorProviderControl.Text = ErrorProviderControl.Text.Trim();
        switch (ErrorProviderControl.Name)
        {
          case nameof(DataDirectoryTextBox):
            errorMessage = Base.Classes.Utilities.ValidateAbsoluteFilePath(ErrorProviderControl.Text, true);
            break;
        }
      }

      return errorMessage;
    }

    #region Event Handlers

    /// <summary>
    /// Handles the TextChanged event.
    /// </summary>
    /// <param name="sender">The source of the event.</param>
    /// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
    protected override void TextChangedHandler(object sender, EventArgs e)
    {
      // Looks like we could get rid of this empty override, but it is necessary to avoid an error of:
      // The method 'xxx' cannot be the method for an event because a class this class derives from already defines the method
      base.TextChangedHandler(sender, e);
    }

    /// <summary>
    /// Handles the TextValidated event.
    /// </summary>
    /// <param name="sender">The source of the event.</param>
    /// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
    /// <remarks>This event method is meant to be used with the <see cref="Control.Validated"/> event.</remarks>
    protected override void ValidatedHandler(object sender, EventArgs e)
    {
      // Looks like we could get rid of this empty override, but it is necessary to avoid an error of:
      // The method 'xxx' cannot be the method for an event because a class this class derives from already defines the method
      base.ValidatedHandler(sender, e);
    }

    private void DataDirectoryBrowseButton_Click(object sender, EventArgs e)
    {
      DataDirectoryBrowserDialog.SelectedPath = DataDirectoryTextBox.Text;
      if (DataDirectoryBrowserDialog.ShowDialog() == DialogResult.OK)
      {
        DataDirectoryTextBox.Text = DataDirectoryBrowserDialog.SelectedPath;
      }
    }

    private void DataDirectoryRevertButton_Click(object sender, EventArgs e)
    {
      DataDirectoryTextBox.Text = _controller.Settings.DefaultDataDirectory;
    }

    #endregion Event Handlers
  }
}