mattercontrol/SettingsManagement/UserSettings.cs

using System.Collections.Generic;

namespace MatterHackers.MatterControl
{
	public class UserSettings
	{
		private static UserSettings globalInstance = null;
		public Dictionary<string, DataStorage.UserSetting> settingsDictionary;

		private UserSettingsFields fields = new UserSettingsFields();

		public UserSettingsFields Fields
		{
			get { return fields; }
		}

		public static UserSettings Instance
		{
			get
			{
				if (globalInstance == null)
				{
					globalInstance = new UserSettings();
					globalInstance.LoadData();
				}

				return globalInstance;
			}
		}

		public string get(string key)
		{
			string result;
			if (settingsDictionary.ContainsKey(key))
			{
				result = settingsDictionary[key].Value;
			}
			else
			{
				result = null;
			}
			return result;
		}

		public void set(string key, string value)
		{
			DataStorage.UserSetting setting;
			if (settingsDictionary.ContainsKey(key))
			{
				setting = settingsDictionary[key];
			}
			else
			{
				setting = new DataStorage.UserSetting();
				setting.Name = key;

				settingsDictionary[key] = setting;
			}

			setting.Value = value;
			setting.Commit();
		}

		private void LoadData()
		{
			IEnumerable<DataStorage.UserSetting> settingsList = GetApplicationSettings();
			settingsDictionary = new Dictionary<string, DataStorage.UserSetting>();
			foreach (DataStorage.UserSetting s in settingsList)
			{
				settingsDictionary[s.Name] = s;
			}
		}

		private IEnumerable<DataStorage.UserSetting> GetApplicationSettings()
		{
			//Retrieve a list of settings from the Datastore
			string query = string.Format("SELECT * FROM UserSetting;");
			IEnumerable<DataStorage.UserSetting> result = (IEnumerable<DataStorage.UserSetting>)DataStorage.Datastore.Instance.dbSQLite.Query<DataStorage.UserSetting>(query);
			return result;
		}
	}
}