Attribute-flavored Domain Driven Design

using System;
using System.ComponentModel;
using System.Diagnostics.CodeAnalysis;
using System.Drawing;
using System.Windows.Forms;
using System.Windows.Forms.Design;
using Codebasement.DomainDrivenDesign.Basement.Utilities;
using Codebasement.DomainDrivenDesign.Basement.Enums;

namespace Codebasement.DomainDrivenDesign.Basement.Utilities
{
    /// <summary>
    /// Summary description for PasswordDialog.
    /// </summary>
    internal class PasswordDialog : Form
    {
        private Button _btnCancel;
        private Button _btnOk;
        private bool _confirmationError;
        private string _keyname;
        private Label _lblConfirm;
        private Label _lblEnter;
        private Label _lblError;
        private Label _lblHelp;
        private Label _lblStrength;
        private string _password;
        private IWindowsFormsEditorService _service;
        private string _title;
        private TextBox _txtConfirmation;
        private TextBox _txtEnter;
        private PasswordUtility _utility;
        private bool _validationError;
        private PasswordProgressBar passwordProgressBar1;

        /// <summary>
        /// Required designer variable.
        /// </summary>
        private Container components = null;

        public PasswordDialog()
        {
            InitializeComponent();
        }


        /// <summary>
        /// Gets or sets the password.
        /// </summary>
        /// <value>The password.</value>
        public string Password
        {
            get { return _password; }
            set { _password = value; }
        }

        /// <summary>
        /// Gets or sets the title.
        /// </summary>
        /// <value>The title.</value>
        public string Title
        {
            get { return _title; }
            set { _title = value; }
        }

        /// <summary>
        /// Gets or sets the name of the key.
        /// </summary>
        /// <value>The name of the key.</value>
        public string Keyname
        {
            get { return _keyname; }
            set { _keyname = value; }
        }

        /// <summary>
        /// Gets or sets the windows forms editor service.
        /// </summary>
        /// <value>The windows forms editor service.</value>
        public IWindowsFormsEditorService WindowsFormsEditorService
        {
            get { return _service; }
            set { _service = value; }
        }

        /// <summary>
        /// Clean up any resources being used.
        /// </summary>
        protected override void Dispose(bool disposing)
        {
            if (disposing)
            {
                if (components != null)
                {
                    components.Dispose();
                }
            }
            base.Dispose(disposing);
        }

        private void btnOk_Click(object sender, EventArgs e)
        {
            if (_validationError || _confirmationError)
            {
                return;
            }

            Password = _txtEnter.Text;
            DialogResult = DialogResult.OK;
            Close();
        }

        private void btnCancel_Click(object sender, EventArgs e)
        {
            DialogResult = DialogResult.Cancel;
            Close();
        }

        [SuppressMessage("Microsoft.Globalization", "CA1303:DoNotPassLiteralsAsLocalizedParameters",
            MessageId = "System.Windows.Forms.Control.set_Text(System.String)")]
        private void PasswordDialog_Load(object sender, EventArgs e)
        {
            Text = Title;
            _txtEnter.PasswordChar = RegexExpressions.PasswordChar;
            _txtConfirmation.PasswordChar = RegexExpressions.PasswordChar;

            if (!String.IsNullOrEmpty(Keyname))
            {
                _lblEnter.Text = "Enter " + Keyname + ":";
                _lblConfirm.Text = "Confirm " + Keyname + ":";
            }
            _lblError.Text = String.Empty;
            _lblHelp.Text = String.Empty;
            _btnOk.Enabled = false;

            _utility = new PasswordUtility();
        }

        private void txtEnter_TextChanged(object sender, EventArgs e)
        {
            ValidatePasswords();
        }

        private void txtConfirmation_TextChanged(object sender, EventArgs e)
        {
            ValidatePasswords();
        }

        private void ValidatePasswords()
        {
            PasswordValidity validity = _utility.ValidatePassword(_txtEnter.Text, PasswordPolicy.Relaxed);

            passwordProgressBar1.Value = validity.PasswordStrengthPercentage;
            passwordProgressBar1.StartColor = validity.PasswordStrengthColor;
            passwordProgressBar1.EndColor = passwordProgressBar1.StartColor;
            _lblStrength.Text = validity.PasswordStrengthIndicator.ToString();
            //label2.Text = validity.PasswordStrengthNumerical.ToString();

            if (!validity.IsValid)
            {
                _lblError.Text = validity.ErrorText;
                _lblError.ForeColor = Color.Red;
                _validationError = true;
            }
            else
            {
                _lblError.Text = "Password is compliant with security policy.";
                _lblError.ForeColor = Color.DarkGreen;
                _validationError = false;
            }

            if (!(_txtConfirmation.Text == _txtEnter.Text))
            {
                string keyName = !String.IsNullOrEmpty(Keyname) ? Keyname : "value";
                _lblHelp.Text = "Entered " + keyName + " and confirmation differ.";
                _lblHelp.ForeColor = Color.Red;
                _confirmationError = true;
            }
            else
            {
                _lblHelp.Text = "Confirmation OK.";
                _lblHelp.ForeColor = Color.DarkGreen;
                _confirmationError = false;
            }

            _btnOk.Enabled = (!_validationError && !_confirmationError);
        }

        private void PasswordDialog_Closed(object sender, EventArgs e)
        {
            _service.CloseDropDown();
        }

        #region Windows Form Designer generated code

        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Globalization",
            "CA1303:DoNotPassLiteralsAsLocalizedParameters",
            MessageId = "System.Windows.Forms.Control.set_Text(System.String)")]
        private void InitializeComponent()
        {
            System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(PasswordDialog));
            this._btnOk = new System.Windows.Forms.Button();
            this._btnCancel = new System.Windows.Forms.Button();
            this._txtEnter = new System.Windows.Forms.TextBox();
            this._txtConfirmation = new System.Windows.Forms.TextBox();
            this._lblEnter = new System.Windows.Forms.Label();
            this._lblConfirm = new System.Windows.Forms.Label();
            this._lblError = new System.Windows.Forms.Label();
            this._lblStrength = new System.Windows.Forms.Label();
            this._lblHelp = new System.Windows.Forms.Label();
            this.passwordProgressBar1 = new Codebasement.DomainDrivenDesign.Basement.Utilities.PasswordProgressBar();
            this.SuspendLayout();
            // 
            // _btnOk
            // 
            this._btnOk.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
            this._btnOk.Location = new System.Drawing.Point(234, 105);
            this._btnOk.Name = "_btnOk";
            this._btnOk.Size = new System.Drawing.Size(75, 23);
            this._btnOk.TabIndex = 6;
            this._btnOk.Text = "&Ok";
            this._btnOk.Click += new System.EventHandler(this.btnOk_Click);
            // 
            // _btnCancel
            // 
            this._btnCancel.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
            this._btnCancel.DialogResult = System.Windows.Forms.DialogResult.Cancel;
            this._btnCancel.Location = new System.Drawing.Point(314, 105);
            this._btnCancel.Name = "_btnCancel";
            this._btnCancel.Size = new System.Drawing.Size(75, 23);
            this._btnCancel.TabIndex = 5;
            this._btnCancel.Text = "&Cancel";
            this._btnCancel.Click += new System.EventHandler(this.btnCancel_Click);
            // 
            // _txtEnter
            // 
            this._txtEnter.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)
                        | System.Windows.Forms.AnchorStyles.Right)));
            this._txtEnter.Location = new System.Drawing.Point(118, 8);
            this._txtEnter.Name = "_txtEnter";
            this._txtEnter.Size = new System.Drawing.Size(191, 20);
            this._txtEnter.TabIndex = 2;
            this._txtEnter.TextChanged += new System.EventHandler(this.txtEnter_TextChanged);
            // 
            // _txtConfirmation
            // 
            this._txtConfirmation.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)
                        | System.Windows.Forms.AnchorStyles.Right)));
            this._txtConfirmation.Location = new System.Drawing.Point(118, 32);
            this._txtConfirmation.Name = "_txtConfirmation";
            this._txtConfirmation.Size = new System.Drawing.Size(191, 20);
            this._txtConfirmation.TabIndex = 4;
            this._txtConfirmation.TextChanged += new System.EventHandler(this.txtConfirmation_TextChanged);
            // 
            // _lblEnter
            // 
            this._lblEnter.Location = new System.Drawing.Point(8, 8);
            this._lblEnter.Name = "_lblEnter";
            this._lblEnter.Size = new System.Drawing.Size(93, 23);
            this._lblEnter.TabIndex = 1;
            this._lblEnter.Text = "Enter password:";
            // 
            // _lblConfirm
            // 
            this._lblConfirm.Location = new System.Drawing.Point(8, 32);
            this._lblConfirm.Name = "_lblConfirm";
            this._lblConfirm.Size = new System.Drawing.Size(93, 23);
            this._lblConfirm.TabIndex = 3;
            this._lblConfirm.Text = "Confirm password:";
            // 
            // _lblError
            // 
            this._lblError.ForeColor = System.Drawing.Color.Red;
            this._lblError.Location = new System.Drawing.Point(9, 62);
            this._lblError.Name = "_lblError";
            this._lblError.Size = new System.Drawing.Size(368, 16);
            this._lblError.TabIndex = 7;
            this._lblError.Text = "Validation error";
            // 
            // _lblStrength
            // 
            this._lblStrength.AutoSize = true;
            this._lblStrength.Location = new System.Drawing.Point(326, 35);
            this._lblStrength.Name = "_lblStrength";
            this._lblStrength.Size = new System.Drawing.Size(47, 13);
            this._lblStrength.TabIndex = 8;
            this._lblStrength.Text = "Strength";
            // 
            // _lblHelp
            // 
            this._lblHelp.ForeColor = System.Drawing.Color.DarkGreen;
            this._lblHelp.Location = new System.Drawing.Point(10, 81);
            this._lblHelp.Name = "_lblHelp";
            this._lblHelp.Size = new System.Drawing.Size(368, 16);
            this._lblHelp.TabIndex = 13;
            this._lblHelp.Text = "Help text";
            // 
            // passwordProgressBar1
            // 
            this.passwordProgressBar1.BackColor = System.Drawing.Color.Transparent;
            this.passwordProgressBar1.Location = new System.Drawing.Point(316, 8);
            this.passwordProgressBar1.Name = "passwordProgressBar1";
            this.passwordProgressBar1.Size = new System.Drawing.Size(73, 19);
            this.passwordProgressBar1.TabIndex = 14;
            // 
            // PasswordDialog
            // 
            this.AcceptButton = this._btnOk;
            this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
            this.CancelButton = this._btnCancel;
            this.ClientSize = new System.Drawing.Size(402, 135);
            this.Controls.Add(this.passwordProgressBar1);
            this.Controls.Add(this._lblHelp);
            this.Controls.Add(this._lblStrength);
            this.Controls.Add(this._lblError);
            this.Controls.Add(this._lblConfirm);
            this.Controls.Add(this._lblEnter);
            this.Controls.Add(this._txtConfirmation);
            this.Controls.Add(this._txtEnter);
            this.Controls.Add(this._btnCancel);
            this.Controls.Add(this._btnOk);
            this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog;
            this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
            this.Name = "PasswordDialog";
            this.StartPosition = System.Windows.Forms.FormStartPosition.CenterParent;
            this.Text = "Password";
            this.Load += new System.EventHandler(this.PasswordDialog_Load);
            this.Closed += new System.EventHandler(this.PasswordDialog_Closed);
            this.ResumeLayout(false);
            this.PerformLayout();

        }

        #endregion
    }
}