LocalSettings.cs

using System;
using System.Collections.Generic;
using System.Text;
using Microsoft.Win32;
using System.Xml;
using System.IO;
using System.Reflection;

namespace Client
{
    public class LocalSettings
    {
        private string username = "";
        private string password = "";
        private bool rememberme = false;
        private string server = "localhost";
        private int port = 8080;

        private XmlWriterSettings writerSettings;
        private string settingsFile;

        public LocalSettings()
        {
            writerSettings = new XmlWriterSettings();
            writerSettings.Indent = true;
            writerSettings.IndentChars = ("    ");
            settingsFile = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location) + Path.DirectorySeparatorChar + "settings.xml";

            Dictionary<string, string> theSettings = new Dictionary<string,string>();

            if (File.Exists(settingsFile))
            {
                using (System.Xml.XmlTextReader reader = new System.Xml.XmlTextReader(settingsFile))
                {
                    string settingName, settingValue;
                    while (reader.Read())
                    {
                        reader.MoveToContent();

                        if (reader.NodeType == System.Xml.XmlNodeType.Element && reader.Name == "Setting")
                        {
                            settingName = reader.GetAttribute("Name");
                            settingValue = reader.ReadString();
                            theSettings[settingName] = settingValue;
                        }
                    }
                }

                // TODO: Add all settings and their default values here
                username = theSettings.ContainsKey("Username") ? theSettings["Username"] : "";
                password = theSettings.ContainsKey("Password") ? theSettings["Password"] : "";
                rememberme = theSettings.ContainsKey("Rememberme") ? Convert.ToBoolean(theSettings["Rememberme"]) : false;
                server = theSettings.ContainsKey("Server") ? theSettings["Server"] : "localhost";
                port = theSettings.ContainsKey("Port") ? Convert.ToInt32(theSettings["Port"]) : 8080;
            }
        }

        public string Username
        {
            get { return username; }
            set { username = value; this.SaveSettings(); }
        }

        public string Password
        {
            get { return password; }
            set { password = value; this.SaveSettings(); }
        }

        public bool RememberMe
        {
            get { return rememberme; }
            set { rememberme = value; this.SaveSettings(); }
        }

        public string Server
        {
            get { return server; }
            set { server = value; this.SaveSettings(); }
        }

        public int Port
        {
            get { return port; }
            set { port = value; this.SaveSettings(); }
        }

        internal void SaveSettings()
        {
            Dictionary<string, string> theSettings = new Dictionary<string,string>();
            theSettings["Username"] = username;
            theSettings["Password"] = password;
            theSettings["Rememberme"] = Convert.ToString(rememberme);
            theSettings["Server"] = server;
            theSettings["Port"] = Convert.ToString(port);

            using (XmlWriter writer = XmlWriter.Create(settingsFile, writerSettings))
            {
                writer.WriteStartElement("Settings");
                foreach (KeyValuePair<string, string> theSetting in theSettings)
                {
                    writer.WriteStartElement("Setting");
                        writer.WriteStartAttribute("Name");
                        writer.WriteValue(theSetting.Key);
                        writer.WriteEndAttribute();
                        writer.WriteString(theSetting.Value.ToString());
                    writer.WriteEndElement();
                }
                writer.WriteEndElement();
                writer.Flush();
            }

        }
    }
}

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