343 lines
12 KiB
C#
343 lines
12 KiB
C#
///
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/// Copyright (c) 2017-2018 Sensus Slovensko a.s.
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///
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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Windows.Forms;
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using NHibernate;
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using Users.Entities;
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using Users.Resources;
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using GemCard;
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using System.Drawing;
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namespace Users.Forms
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{
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public partial class EditSelectedUser : Form
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{
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NHibernate.ISession session;
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User user;
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GID[] displayedGIDs;
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bool[] oriGroupMember; /// index is gid, size is Grp.Count
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/// Smart card support, card S/N is used as user.Tag
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GemCard.CardNative card;
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string smartCardReader;
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public EditSelectedUser()
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{
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InitializeComponent();
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this.toolTip1.SetToolTip(this.txtName, string.Format(Strings.max_0_alphanum_chars, 20));
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oriGroupMember = new bool[(displayedGIDs != null) ? displayedGIDs.Length : 0];
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okBtn.Enabled = false;
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}
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public EditSelectedUser(NHibernate.ISession session, User user, GID[] displayedGIDs)
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: this()
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{
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this.session = session;
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this.user = user;
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this.displayedGIDs = displayedGIDs;
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oriGroupMember = new bool[(displayedGIDs != null) ? displayedGIDs.Length : 0];
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}
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private void EditSelectedUser_Load(object sender, EventArgs e)
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{
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Localize();
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txtName.Text = user.UserName;
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txtCode.Text = user.Number.ToString();
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txtTag.Text = string.IsNullOrEmpty(user.Tag) ? string.Empty : user.Tag;
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txtDescription.Text = user.FullName;
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txtPassword.Text = string.Empty;
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txtRepeatPassword.Text = string.Empty;
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ShowGroups();
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smartCardReader = null; /// null = No smart card reader detected
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try
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{
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card = new CardNative();
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/// Find NFC smart card reader
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string[] cardReaders = card.ListReaders();
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if (cardReaders != null)
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{
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foreach (var crd in cardReaders)
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{
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if (crd.Contains("NFC"))
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{
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smartCardReader = crd; /// NFC smart card reader detected
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break;
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}
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}
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}
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if (!string.IsNullOrEmpty(smartCardReader))
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{
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/// Reader found, initialize NFC smart card reader
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card.OnCardInserted += delegate(object sndr, CardInsertedEventArgs args)
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{
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if (InvokeRequired) { Invoke(new EventHandler<CardInsertedEventArgs>(OnCardInserted), sndr, args); }
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else OnCardInserted(sndr, args);
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};
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card.OnCardRemoved += delegate(object sndr, CardRemovedEventArgs args)
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{
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if (InvokeRequired) { Invoke(new EventHandler<CardRemovedEventArgs>(OnCardRemoved), sndr, args); }
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else OnCardRemoved(sndr, args);
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};
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card.StartCardEvents(smartCardReader);
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Text += " (NFC)";
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txtTag.Enabled = true;
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}
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}
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catch (Exception)
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{
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smartCardReader = null;
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}
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}
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void Localize()
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{
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Text = Strings.Edit_User;
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nameLabel.Text = Strings.Name;
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passwordLabel.Text = Strings.Password;
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repeatPasswordLabel.Text = Strings.Repeat_password;
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codeLabel.Text = Strings.User_code;
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tagLabel.Text = Strings.Tag;
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descriptionLabel.Text = Strings.DescriptionColHdr;
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groupsLabel.Text = Strings.Groups;
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okBtn.Text = Strings.OkBtnText;
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cancelBtn.Text = Strings.CancelBtnText;
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}
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public void ShowGroups()
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{
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checkedListBoxGroups.Items.Clear();
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for (int i= 0; i < displayedGIDs.Length; i++)
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{
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GID gid = displayedGIDs[i];
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bool boolIsMember = oriGroupMember[i] = user.IsMemberOf(gid);
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checkedListBoxGroups.Items.Add(Group.Gid2Str(gid));
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checkedListBoxGroups.SetItemCheckState(i, boolIsMember ? CheckState.Checked : CheckState.Unchecked);
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}
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}
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private void EditSelectedUser_Shown(object sender, EventArgs e)
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{
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txtName.Focus();
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}
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public bool Save()
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{
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// todo: check if this name is given to another user
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if (IsUserNameAlreadyTaken(txtName.Text))
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{
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MessageBox.Show(Strings.Username_taken);
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return false;
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}
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if (IsTagAlreadyTaken(txtTag.Text))
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{
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MessageBox.Show(Strings.Tag_taken);
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return false;
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}
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ITransaction transaction = session.BeginTransaction();
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try
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{
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Cursor.Current = Cursors.WaitCursor;
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user.UserName = txtName.Text;
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user.FullName = txtDescription.Text;
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user.Number = int.Parse(txtCode.Text);
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user.Tag = string.IsNullOrEmpty(txtTag.Text) ? null : txtTag.Text;
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if (txtPassword.Text != string.Empty)
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{
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if (!userHasToChangePasswdCheckBox.Checked)
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{
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/// Password will not be changed, therefore it should meet requirements
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string explanation;
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if (!Entities.User.IsPasswordMeetsRequirements(txtPassword.Text, out explanation))
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{
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/// Password does not meet requirements
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MessageBox.Show(Strings.Password_does_not_meet_requirements + Environment.NewLine + explanation,
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Strings.Error, MessageBoxButtons.OK, MessageBoxIcon.Hand);
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return false;
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}
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}
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user.SetPassword(txtPassword.Text);
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}
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if (userHasToChangePasswdCheckBox.Checked)
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{
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user.LastPwChange = DateTime.MinValue;
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}
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/// Groups
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IList<Group> groups = user.Groups; /// = session.QueryOver<Group>().Where(x => (x.User.Id == user.Id)).List();
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for (int i = 0; i < displayedGIDs.Length; i++ )
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{
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GID gid = displayedGIDs[i];
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bool newIsMember = checkedListBoxGroups.GetItemChecked(i);
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if (!newIsMember && oriGroupMember[i])
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{
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for (int j = 0; j < user.Groups.Count; j++)
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{
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Group grp = user.Groups[j];
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if (grp.GID == gid)
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{
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session.Delete(user.Groups[j]);
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user.Groups.RemoveAt(j);
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break;
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}
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}
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}
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else if (newIsMember && !oriGroupMember[i])
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{
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Group newGroup = new Group(gid);
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user.Groups.Add(newGroup);
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}
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}
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session.SaveOrUpdate(user);
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transaction.Commit();
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session.Flush();
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Cursor.Current = Cursors.Default;
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return true;
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}
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catch (Exception exc)
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{
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transaction.Rollback();
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MessageBox.Show(string.Format("{0}{1}{2}", Strings.Save_or_update_user_failed, Environment.NewLine, exc.Message),
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Strings.Error, MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
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Cursor.Current = Cursors.Default;
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return false;
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}
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}
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/// <summary>
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/// returns true if the username allready exists for another user
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/// </summary>
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private bool IsUserNameAlreadyTaken(string userName)
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{
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// Have a look into all other users
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IList<User> ListOfUsers = User.GetAllUsers();
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foreach (var person in ListOfUsers)
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{
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if (person.Id != user.Id)
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{
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/// Other user then the current one
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if (person.UserName.ToLower() == userName.ToLower())
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{
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return true; // Name is equal = already taken
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}
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}
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}
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return false;
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}
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/// <summary>
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/// returns true if the username allready exists for another user
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/// </summary>
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private bool IsTagAlreadyTaken(string tag)
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{
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if (string.IsNullOrEmpty(tag)) return false; /// No tag
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// Have a look into all other users
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IList<User> ListOfUsers = User.GetAllUsers();
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foreach (var person in ListOfUsers)
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{
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if (person.Id != user.Id)
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{
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// Other user then the current one
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if (person.Tag == tag)
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{
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return true; // Tag is equal = already taken
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}
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}
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}
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return false;
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}
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private void okBtn_Click(object sender, EventArgs e)
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{
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if (Save())
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{
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DialogResult = DialogResult.OK;
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this.Close();
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}
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}
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private void cancelBtn_Click(object sender, EventArgs e)
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{
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DialogResult = DialogResult.Cancel;
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this.Close();
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}
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private void txtName_Validated(object sender, EventArgs e) { UpdateOKButton(); }
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private void txtName_KeyPress(object sender, KeyPressEventArgs e) { UpdateOKButton(); }
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private void txtName_TextChanged(object sender, EventArgs e) { UpdateOKButton(); }
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private void txtPassword_TextChanged(object sender, EventArgs e) { UpdateOKButton(); }
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private void txtRepeatPassword_TextChanged(object sender, EventArgs e) { UpdateOKButton(); }
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private void txtDescription_TextChanged(object sender, EventArgs e) { UpdateOKButton(); }
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private void txtDescription_KeyPress(object sender, KeyPressEventArgs e) { UpdateOKButton(); }
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private void checkedListBoxGroups_Click(object sender, EventArgs e) { UpdateOKButton(); }
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private void txtCode_TextChanged(object sender, EventArgs e) { UpdateOKButton(); }
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private void UpdateOKButton()
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{
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int userCode;
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okBtn.Enabled = (txtName.Text != string.Empty)
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&& int.TryParse(txtCode.Text, out userCode)
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&& (txtPassword.Text == txtRepeatPassword.Text);
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}
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void OnCardInserted(object sender, CardInsertedEventArgs args)
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{
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BackColor = Color.Green;
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card.Connect(smartCardReader, SHARE.Shared, PROTOCOL.T0orT1);
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/// Read the serial number of the card
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APDUResponse response = card.Transmit(new APDUCommand(0xFF, 0xCA, 0x00, 0x00, null, 7));
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txtTag.Text = response.ToString();
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card.Disconnect(DISCONNECT.Leave);
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}
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void OnCardRemoved(object sender, CardRemovedEventArgs args)
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{
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BackColor = SystemColors.Control;
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}
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private void EditSelectedUser_FormClosing(object sender, FormClosingEventArgs e)
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{
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if (!string.IsNullOrEmpty(smartCardReader))
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{
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card.StopCardEvents();
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}
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}
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}
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}
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