using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.IO;
using System.Reflection;
using System.Xml.Linq;
using System.Windows.Markup;
using AppRes = Eugen.ESystem.Windows.Forms.Properties.AppResources;
using System.Windows.Shapes;

namespace Eugen.ESystem.Windows.Forms
{
    public partial class DuoMultiValueControl : UserControl
    {
        #region Version und Copyright
        // Keys und Copyright
        static string dllName = System.IO.Path.GetFileNameWithoutExtension(System.Reflection.Assembly.GetExecutingAssembly().GetName().CodeBase); //Den Programmnamen auslesen
        static string dllVersion = System.Reflection.Assembly.GetExecutingAssembly().GetName().Version.ToString();
        static object[] attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyCopyrightAttribute), false);
        static string copyright = GenerateCopyright();
        string icon = Application.StartupPath + "\\Info.bmp";
        //Assembly Datum und Zeit
        static DateTime value = AssemblyDateTime();
        string date = value.ToShortDateString();
        string time = value.ToLongTimeString();
        private static DateTime AssemblyDateTime()
        {
            var version = System.Reflection.Assembly.GetExecutingAssembly().GetName().Version;
            var buildDateTime = new DateTime(2000, 1, 1).Add(new TimeSpan(TimeSpan.TicksPerDay * version.Build + TimeSpan.TicksPerSecond * 2 * version.Revision));
            //Tage seit dem 1. Januar 2000 und Sekunden seit Mitternacht, (multiplizier mit 2 ergibt das Original)
            return buildDateTime;
        }

        private static string CurrentYear()
        {
            DateTime dtn = DateTime.Now;
            return dtn.Year.ToString();
        }

        private static string StartYear()
        {
            string startYear = "";
            if (((AssemblyCopyrightAttribute)attributes[0]).Copyright.Contains("Copyright © "))
            {
                startYear = ((AssemblyCopyrightAttribute)attributes[0]).Copyright.Replace("Copyright © ", "");
                while (startYear.StartsWith(" "))
                {
                    startYear = startYear.Remove(0, 1);
                }
                startYear = startYear.Remove(startYear.IndexOf(" "));
                return startYear;
            }
            else
            {
                DateTime dtn = DateTime.Now;
                return dtn.Year.ToString();
            }
        }

        private static string GenerateCopyright()
        {
            string startYear = StartYear();
            string currentYear = CurrentYear();

            if (startYear == currentYear)
            {
                return ((AssemblyCopyrightAttribute)attributes[0]).Copyright;
            }
            else
            {
                return ((AssemblyCopyrightAttribute)attributes[0]).Copyright.Replace(startYear, String.Concat(startYear, "-", currentYear));
            }
        }
        #endregion

        #region DLL-Info
        /// <summary>
        /// Contains the name of the dll file.
        /// </summary>
        public static string DllName { private set; get; }

        /// <summary>
        /// Contains the version of the dll file.
        /// </summary>
        public static string DllVersion { private set; get; }

        /// <summary>
        /// Contains the copyright notice.
        /// </summary>
        public static string Copyright { private set; get; }

        /// <summary>
        /// Contains the name-, version- and copyright-information of the dll file.
        /// </summary>
        public static string[] DllInfo { private set; get; }

        private static void SetDllInfo()
        {
            //Name, Keys und Copyright setzen
            DllName = dllName;
            DllVersion = dllVersion;
            Copyright = copyright;
        }
        #endregion

        static DuoMultiValueControl()
        {
            SetDllInfo(); //Name, Keys und Copyright der DLL setzen
        }

        /// <summary>
        /// Creates a control with which the values in an XML file can be edited
        /// </summary>
        public DuoMultiValueControl()
        {
            InitializeComponent();
            InitialDirectory = @"C:\";
            Topic = "Topic";
            StandardValue = 0;
        }

        #region Public values
        /// <summary>
        /// The password used for encryption. An empty value disables the Encrypt values switch
        /// </summary>
        public string Password
        {
            get { return password; }
            set
            {
                password = value;
                checkBoxEncryptValues.Enabled = !String.IsNullOrEmpty(Password);
            }
        }

        /// <summary>
        /// Defines or read the initial directory
        /// </summary>
        public string InitialDirectory { set; get; }

        /// <summary>
        /// XML file name. Must be specified mandatory
        /// </summary>
        public string XMLfileName { set; get; }

        /// <summary>
        /// XML group 1 file name. Must be specified mandatory and defines the XML file in which the groups are stored
        /// </summary>
        public string XMLgroup1FileName { set; get; }

        /// <summary>
        /// XML group 2 file name. Must be specified mandatory and defines the XML file in which the groups are stored
        /// </summary>
        public string XMLgroup2FileName { set; get; }

        /// <summary>
        /// Adjusts the labeling of the values control. An empty value forces the default labeling
        /// </summary>
        public string ValueControlName
        {
            get { return groupBoxValueControl.Text; }
            set
            {
                groupBoxValueControl.Text = value;
                groupBoxValueControl.Refresh();
            }
        }

        /// <summary>
        /// Defines the Topic. An empty value forces the default labeling
        /// </summary>
        public string Topic { set; get; }

        /// <summary>
        /// Adjusts the labeling of the group 1 designation. An empty value forces the default labeling
        /// </summary>
        public string GroupName1
        {
            get { return labelGroup1.Text; }
            set { labelGroup1.Text = value; }
        }

        /// <summary>
        /// Adjusts the labeling of the group 2 designation. An empty value forces the default labeling
        /// </summary>
        public string GroupName2
        {
            get { return labelGroup2.Text; }
            set { labelGroup2.Text = value; }
        }

        /// <summary>
        /// Changes the name of the group 1 attribute used in the XML file, which is displayed and must be included in groups. Required for the Load function
        /// </summary>
        public string Group1 { set; get; }

        /// <summary>
        /// Changes the name of the group 2 attribute used in the XML file, which is displayed and must be included in groups. Required for the Load function
        /// </summary>
        public string Group2 { set; get; }

        /// <summary>
        /// List of group 1 attribute names. Required for the Load function
        /// </summary>
        public string[] Groups1 { set; get; }

        /// <summary>
        /// List of group 2 attribute names. Required for the Load function
        /// </summary>
        public string[] Groups2 { set; get; }

        /// <summary>
        /// Adjusts the name of the key attribute used in the XML file. Required by the Load function
        /// </summary>
        public string Key { set; get; }

        /// <summary>
        /// Adjusts the labeling of the table header designation for the key. An empty value forces the default labeling
        /// </summary>
        public string TableKeyName
        {
            get { return dataGridViewValues.Columns[0].HeaderText; }
            set { dataGridViewValues.Columns[0].HeaderText = value; }
        }

        /// <summary>
        /// Adjusts the labeling of the table header designation for the value. An empty value forces the default labeling
        /// </summary>
        public string TableValueName
        {
            get { return dataGridViewValues.Columns[1].HeaderText; }
            set { dataGridViewValues.Columns[1].HeaderText = value; }
        }

        /// <summary>
        /// Adjusts the labeling of the encrypt value checkBox. An empty value forces the default labeling
        /// </summary>
        public string CheckBoxEncryptValueText
        {
            get { return checkBoxEncryptValues.Text; }
            set
            {
                checkBoxEncryptValues.Text = value;
                checkBoxEncryptValues.Enabled = !String.IsNullOrEmpty(Password);
            }
        }

        /// <summary>
        /// Controls whether values are always encrypted. An empty value forces the default value (false)
        /// </summary>
        public bool AlwaysEncrypted
        {
            get { return alwaysEncrypted; }
            set
            {
                alwaysEncrypted = value;
                checkBoxEncryptValues.Enabled = !alwaysEncrypted;
                checkBoxEncryptValues.Checked = alwaysEncrypted;
            }
        }
        #endregion

        #region Private values
        private string password;
        private bool alwaysEncrypted = false;
        private bool standardValueSet = false;
        private int selectedRow = 0;
        private int rowIndexColored = 0;
        private int StandardValue { get; set; }
        private string XmlFileName { get; set; }
        private string OldXMLfileName { get; set; }
        private List<string> OldNameData { get; set; }
        private List<string> OldValueData { get; set; }
        private List<string> NewNameData { get; set; }
        private List<string> NewValueData { get; set; }
        private bool OldEcryptStatus { get; set; }
        private bool NewEcryptStatus { get; set; }
        #endregion

        private void comboBoxGroup1_SelectedIndexChanged(object sender, EventArgs e)
        {
            SelectedIndexChanged();
        }

        private void comboBoxGroup2_SelectedIndexChanged(object sender, EventArgs e)
        {
            SelectedIndexChanged();
        }

        private void SelectedIndexChanged()
        {
            if (comboBoxGroup1.Items.Count != 0)
            {
                Group1 = comboBoxGroup1.SelectedItem.ToString();
            }

            if (comboBoxGroup2.Items.Count != 0)
            {
                Group2 = comboBoxGroup2.SelectedItem.ToString();
            }

            if (!String.IsNullOrEmpty(Group1) & !String.IsNullOrEmpty(Group2))
            {
                XmlFileName = String.Concat(XMLfileName.Replace(".xml", ""), "_", Group1, "_", Group2, ".xml");
                OldXMLfileName = XmlFileName;
                //XMLfileName = String.Concat(InitialDirectory, "\\", Group1, ".xml");

                buttonSave.Enabled = (!String.IsNullOrEmpty(comboBoxGroup1.Text)) & (!String.IsNullOrEmpty(comboBoxGroup2.Text));

                //OldNameData und OldValueDate schreiben
                SetData("new");

                if (File.Exists(XmlFileName))
                {
                    if (dataGridViewValues.Rows.Count > 1)
                    {
                        //Wurden in der Datagridview Werte geändert, dann speichern
                        if (HasAnyDataChanged())
                        {
                            DialogResult result = MessageBox.Show(AppRes.msgBoxTxt003, AppRes.msgBoxCapt003, MessageBoxButtons.YesNo, MessageBoxIcon.Question);

                            if (result == DialogResult.Yes)
                            {
                                //Datagridview speichern
                                SaveXML(OldXMLfileName);
                            }
                        }
                    }

                    //Datagridview leeren und XML Laden
                    dataGridViewValues.Rows.Clear();
                    LoadXML();
                }
                else
                {
                    if (dataGridViewValues.Rows.Count > 1)
                    {
                        //Wurden in der Datagridview Werte geändert, dann speichern
                        if (HasAnyDataChanged())
                        {
                            DialogResult result = MessageBox.Show(AppRes.msgBoxTxt003, AppRes.msgBoxCapt003, MessageBoxButtons.YesNo, MessageBoxIcon.Question);

                            if (result == DialogResult.Yes)
                            {
                                //Datagridview speichern
                                SaveXML(OldXMLfileName);
                            }
                        }
                    }

                    dataGridViewValues.Rows.Clear();
                    MessageBox.Show(AppRes.msgBoxTxt002, AppRes.msgBoxCapt002, MessageBoxButtons.OK, MessageBoxIcon.Warning);
                }

                //OldNameData und OldValueDate schreiben
                SetData("old");
            }
            
        }

        private void comboBoxGroup1_TextChanged(object sender, EventArgs e)
        {
            buttonSave.Enabled = (!String.IsNullOrEmpty(comboBoxGroup1.Text));
        }

        private void comboBoxGroup2_TextChanged(object sender, EventArgs e)
        {
            buttonSave.Enabled = (!String.IsNullOrEmpty(comboBoxGroup2.Text));
        }

        private void buttonUp_Click(object sender, EventArgs e)
        {
            if (dataGridViewValues.SelectedCells.Count > 0)
            {
                int index = dataGridViewValues.SelectedCells[0].OwningRow.Index;

                if (index > 0)
                {
                    int col = dataGridViewValues.SelectedCells[0].OwningColumn.Index;

                    DataGridViewRowCollection rows = dataGridViewValues.Rows;
                    DataGridViewRow row = rows[index];

                    rows.Remove(row);
                    rows.Insert(index - 1, row);

                    dataGridViewValues.ClearSelection();

                    dataGridViewValues.Rows[index - 1].Cells[col].Selected = true;
                }
            }
        }

        private void buttonDown_Click(object sender, EventArgs e)
        {
            if (dataGridViewValues.SelectedCells.Count > 0)
            {
                int index = dataGridViewValues.SelectedCells[0].OwningRow.Index;

                if (index < dataGridViewValues.Rows.Count - 2)
                {
                    int col = dataGridViewValues.SelectedCells[0].OwningColumn.Index;

                    DataGridViewRowCollection rows = dataGridViewValues.Rows;
                    DataGridViewRow row = rows[index];

                    rows.Remove(row);
                    rows.Insert(index + 1, row);

                    dataGridViewValues.ClearSelection();

                    dataGridViewValues.Rows[index + 1].Cells[col].Selected = true;
                }
            }
        }

        private void buttonLoad_Click(object sender, EventArgs e)
        {
            if (String.IsNullOrEmpty(XmlFileName))
            {
                openFileDialog.Title = AppRes.dlgOpenTitle;
                openFileDialog.InitialDirectory = InitialDirectory;
                openFileDialog.FileName = "";
                openFileDialog.Filter = AppRes.dlgFilter; //"xml files (*.xml)|*.xml|All files (*.*)|*.*"
                openFileDialog.FilterIndex = 1;
                openFileDialog.RestoreDirectory = true;

                if (openFileDialog.ShowDialog() == DialogResult.OK)
                {
                    XmlFileName = openFileDialog.FileName;

                    LoadXML();
                }
            }
            else
            {
                if (File.Exists(XmlFileName))
                {
                    LoadXML();
                }
                else
                {
                    MessageBox.Show(AppRes.msgBoxTxt001, AppRes.msgBoxCapt001, MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
                }
            }
        }

        private void buttonSave_Click(object sender, EventArgs e)
        {
            if (String.IsNullOrEmpty(XmlFileName))
            {
                saveFileDialog.Title = AppRes.dlgSaveTitle;
                saveFileDialog.InitialDirectory = InitialDirectory;
                saveFileDialog.Filter = AppRes.dlgFilter; //"xml files (*.xml)|*.xml|All files (*.*)|*.*"
                saveFileDialog.FilterIndex = 1;
                saveFileDialog.RestoreDirectory = true;

                if (saveFileDialog.ShowDialog() == DialogResult.OK)
                {
                    SaveXML(XmlFileName);
                }
            }
            else
            {
                SaveXML(XmlFileName);
            }
        }

        private void buttonCleanup_Click(object sender, EventArgs e)
        {
            //Alle XML-Dateien auslesen die mit 'XmlFileName' beginnen
            List<string> collectedXmlFiles = new List<string>();

            collectedXmlFiles.AddRange(CollectAllFiles());

            //Alle XML-Dateien aus der Liste auslesen die in 'Groups1' und 'Groups2' vorkommen
            List<string> collectedPatternFiles = new List<string>();

            collectedPatternFiles.AddRange(CollectPatternFiles(collectedXmlFiles));

            //Alle XML-Dateien aus der Liste löschen, die in 'Groups1' und 'Groups2' nicht vorkommen
            List<string> filesToDelete= new List<string>();

            filesToDelete.AddRange(FilesToDelete(collectedXmlFiles, collectedPatternFiles));

            if (filesToDelete.Count != 0)
            {
                try
                {
                    foreach (string file in filesToDelete)
                    {
                        File.Delete(file);
                    }
                    MessageBox.Show(AppRes.msgBoxTxt005, AppRes.msgBoxCapt004, MessageBoxButtons.OK);
                }
                catch (Exception)
                {
                    MessageBox.Show(AppRes.msgBoxTxt004, AppRes.msgBoxCapt002, MessageBoxButtons.OK);
                }
            }
        }

        private List<string> CollectAllFiles()
        {
            //Alle XML-Dateien auslesen die mit 'NXenvironment' beginnen
            string path = System.IO.Path.GetDirectoryName(XMLfileName);
            string[] origXmlFiles = Directory.GetFiles(path);
            List<string> collectedXmlFiles = new List<string>();

            for (int i = 0; i < origXmlFiles.Length; i++)
            {
                //origXmlFiles[i] = Path.GetFileName(origXmlFiles[i]);

                if (System.IO.Path.GetFileName(origXmlFiles[i]).StartsWith(System.IO.Path.GetFileNameWithoutExtension(XMLfileName)))
                {
                    collectedXmlFiles.Add(origXmlFiles[i]);
                }
            }
            return collectedXmlFiles;
        }

        private List<string> CollectPatternFiles(List<string> collectedXmlFiles)
        {
            //Alle XML-Dateien aus der Liste auslesen die in 'Groups1' und 'Groups2' vorkommen

            string tempFile = "";
            List<string> tempFoundedFiles = new List<string>();
            List<string> foundedFiles = new List<string>();

            foreach (string file in collectedXmlFiles)
            {
                tempFile = (System.IO.Path.GetFileNameWithoutExtension(file)).Replace(System.IO.Path.GetFileNameWithoutExtension(XMLfileName) + "_", "");

                foreach (var pattern1 in Groups1)
                {
                    if (tempFile.StartsWith(pattern1))
                    {
                        tempFoundedFiles.Add(file); //Wenn der Anfang übereinstimmt, dann die Datei zur Liste hinzufügen
                    }
                }
            }

            foreach (string file in tempFoundedFiles)
            {
                foreach (var pattern2 in Groups2)
                {
                    if (System.IO.Path.GetFileNameWithoutExtension(file).EndsWith(pattern2))
                    {
                        foundedFiles.Add(file); //Wenn der Anfang übereinstimmt, dann die Datei zur Liste hinzufügen
                    }
                }
            }

            return foundedFiles;
        }

        private List<string> FilesToDelete(List<string> collectedXmlFiles, List<string> collectedPatternFiles)
        {
            List<string> filesToDelete= new List<string>();

            filesToDelete.AddRange(collectedXmlFiles);

            if (collectedPatternFiles.Count == 0)
            {
                return collectedXmlFiles;
            }

            foreach (string pattern in collectedPatternFiles)
            {
                foreach (string file in collectedXmlFiles)
                {
                    if (file == pattern)
                    {
                        filesToDelete.Remove(pattern);
                    }
                }
            }
            
            return filesToDelete;
        }

        private void dataGridViewValues_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Delete)
            {
                selectedRow = dataGridViewValues.SelectedCells[0].RowIndex + 1; //Wenn die Zeile gelöscht wird, dann die Zeilennummer merken
            }
        }

        private void dataGridViewValues_RowsRemoved(object sender, DataGridViewRowsRemovedEventArgs e)
        {
            //Wenn die gelöschte Zeile den Standardwert enthielt, dann die WErte zurücksetzten, weil es keinen Standardwert mehr gibt
            if (selectedRow == rowIndexColored)
            {
                StandardValue = 0; //Es gibt keine ausgewählte Standardzeile
                standardValueSet = false; //es gibt keinen Standardwert

                rowIndexColored = 0; //Es gibt keine umgefärbte Zeile
            }
        }
        
        public void SetBasicValues()
        {
            Groups1 = ReadGroups(XMLgroup1FileName);

            if (Groups1 != null)
            {
                comboBoxGroup1.Items.Clear();
                for (int i = 0; i < Groups1.Length; i++)
                {
                    comboBoxGroup1.Items.Add(Groups1[i]);
                }

                comboBoxGroup1.SelectedIndex = 0;
            }

            Groups2 = ReadGroups(XMLgroup2FileName);

            if (Groups2 != null)
            {
                comboBoxGroup2.Items.Clear();
                for (int i = 0; i < Groups2.Length; i++)
                {
                    comboBoxGroup2.Items.Add(Groups2[i]);
                }

                comboBoxGroup2.SelectedIndex = 0;
            }
        }

        private void LoadXML()
        {
            checkBoxEncryptValues.Checked = false;

            var loadXML = new LoadXML();
            loadXML.FileName = String.Concat(XMLfileName.Replace(".xml", ""), "_", Group1, "_", Group2, ".xml");
            loadXML.Load();
            string[] values = new string[loadXML.Values.Length];
            values = loadXML.Values;

            if (!String.IsNullOrEmpty(Group1) & !String.IsNullOrEmpty(Group2))
            {
                loadXML.Group = Group1 + "_" + Group2;
            }

            for (int i = 0; i < values.Length; i++)
            {
                if (values[i].StartsWith("$$$$"))
                {
                    values[i] = Decrypt(values[i], Password);
                    checkBoxEncryptValues.Checked = true; //Wenn ein verschlüsseltes Element gefunden wurde, dann setzen
                }

                dataGridViewValues.Rows.Add(loadXML.Keys[i], values[i]);
            }

            dataGridViewValues.Refresh();

            comboBoxGroup1.Text = loadXML.Group.Remove(loadXML.Group.LastIndexOf("_")); //Gruppe setzen
            comboBoxGroup2.Text = loadXML.Group.Remove(0, loadXML.Group.LastIndexOf("_")); //Gruppe setzen

            SetData("old"); //Die geladenen Daten setzten
        }

        private string[] LoadGroup()
        {
            string[] values = new string[comboBoxGroup1.Items.Count];

            for (int i = 0; i < comboBoxGroup1.Items.Count; i++)
            {
                values[i] = comboBoxGroup1.Items[i].ToString();
            }

            for (int i = 0; i < values.Length; i++)
            {
                if (values[i].StartsWith("$$$$"))
                {
                    values[i] = Decrypt(values[i], Password);
                }
            }

            return values;
        }

        private void SaveXML(string xmlFileName)
        {
            if (!Directory.Exists(System.IO.Path.GetDirectoryName(xmlFileName)))
            {
                Directory.CreateDirectory(System.IO.Path.GetDirectoryName(xmlFileName)); //Wenn das Verzeichnis nicht existiert, dann erzeugen
            }

            int dgvLength = dataGridViewValues.RowCount - 1;
            string[] keys = new string[dgvLength];
            string value = "";
            string[] values = new string[dgvLength];

            for (int i = 0; i < dgvLength; i++)
            {
                if (checkBoxEncryptValues.Checked)
                {
                    value = Encrypt(dataGridViewValues[1, i].Value.ToString(), Password); //Verschlüsselt
                }
                else
                {
                    value = dataGridViewValues[1, i].Value.ToString(); //Unverschlüsselt
                }

                keys[i] = dataGridViewValues[0, i].Value.ToString(); ;
                values[i] = value;
            }

            //Speichern
            var saveXML = new SaveXML();

            saveXML.FileName = xmlFileName;
            saveXML.Topic = "NX-Portal"; //z.B. "NX-Portal"
            saveXML.Group = comboBoxGroup1.Text; //z.B. "NX 1953"
            saveXML.Keys = keys; //z.B. "UGII_ENV"
            saveXML.Values = values; //z.B. "M:\ug\NX1953_NXTC\global\00_DEFAULTS\UGII\ugii_env.dat"

            saveXML.Save();

            //OldNameData und OldValueDate schreiben
            SetData("old");
        }

        private string Encrypt(string clearText, string password)
        {
            var crypt = new Cryption();
            return String.Concat("$$$$", crypt.EncryptString(clearText, password));
        }

        private string Decrypt(string encryptedText, string password)
        {
            var crypt = new Cryption();
            return crypt.DecryptString(encryptedText.Replace("$$$$", ""), password);
        }

        private void SetData(string stage)
        {
            int dgvLength = dataGridViewValues.RowCount - 1;

            if (stage == "old")
            {
                //Old Data
                List<string> oldNameData = new List<string>();
                List<string> oldValueData = new List<string>();

                for (int i = 0; i < dgvLength; i++)
                {
                    oldNameData.Add(dataGridViewValues[0, i].Value.ToString());
                    oldValueData.Add(dataGridViewValues[1, i].Value.ToString());
                }

                OldNameData = oldNameData;
                OldValueData = oldValueData;
                OldEcryptStatus = checkBoxEncryptValues.Checked;
            }
            else
            {
                //New Data
                List<string> newNameData = new List<string>();
                List<string> newValueData = new List<string>();

                for (int i = 0; i < dgvLength; i++)
                {
                    newNameData.Add(dataGridViewValues[0, i].Value.ToString());
                    newValueData.Add(dataGridViewValues[1, i].Value.ToString());
                }

                NewNameData = newNameData;
                NewValueData = newValueData;
                NewEcryptStatus = checkBoxEncryptValues.Checked;
            }
        }

        private bool HasAnyDataChanged()
        {
            int dgvLength = dataGridViewValues.RowCount - 1;
            bool hasChanged = false;

            if (OldNameData.Count != NewNameData.Count)
            {
                hasChanged = true;
            }
            else
            {
                for (int i = 0; i < dgvLength; i++)
                {
                    if (OldNameData[i] != NewNameData[i])
                    {
                        hasChanged = true;
                    }

                    if (OldValueData[i] != NewValueData[i])
                    {
                        hasChanged = true;
                    }

                    if (OldEcryptStatus != NewEcryptStatus)
                    {
                        hasChanged = true;
                    }
                }
            }

            return hasChanged;
        }

        /// <summary>
        /// Reads the groups from a XML file
        /// </summary>
        private string[] ReadGroups(string xmlFileName)
        {
            if (File.Exists(xmlFileName))
            {
                var sivco = new SingleValueControl();

                sivco.XMLfileName = xmlFileName;
                sivco.Password = Password;

                return sivco.GetValues();
            }
            else
            {
                return null;
            }
        }

        /// <summary>
        /// Sets a customer width of the user control
        /// </summary>
        /// <param name="width">The width. Min=316, Max=800</param>
        public void SetDialogWidth(int width)
        {
            if (width >= this.MinimumSize.Width && width <= this.MaximumSize.Width)
            {
                this.Width = width;

                int dif = width - 316;

                if (dif > 0)
                {
                    dataGridViewValues.Columns[0].Width += dif / 2;
                }
            }
        }

        /// <summary>
        /// Sets a customer height of the user control
        /// </summary>
        /// <param name="height">The width. Min=227, Max=460</param>
        public void SetDialogHeight(int height)
        {
            if (height >= this.MinimumSize.Height && height <= this.MaximumSize.Height)
            {
                this.Height = height;
            }
        }
    }
}