moel@165: /* moel@165: moel@344: This Source Code Form is subject to the terms of the Mozilla Public moel@344: License, v. 2.0. If a copy of the MPL was not distributed with this moel@344: file, You can obtain one at http://mozilla.org/MPL/2.0/. moel@165: moel@429: Copyright (C) 2009-2014 Michael Möller moel@344: moel@165: */ moel@165: moel@165: using System.Collections.Generic; moel@429: using System.Drawing; moel@183: using System.Globalization; moel@429: using System.IO; moel@429: using System.Text; moel@165: using System.Xml; moel@165: using OpenHardwareMonitor.Hardware; moel@165: moel@165: namespace OpenHardwareMonitor { moel@165: public class PersistentSettings : ISettings { moel@165: moel@165: private IDictionary settings = moel@165: new Dictionary(); moel@165: moel@165: public void Load(string fileName) { moel@165: XmlDocument doc = new XmlDocument(); moel@165: try { moel@165: doc.Load(fileName); moel@165: } catch { moel@429: try { moel@429: File.Delete(fileName); moel@429: } catch { } moel@429: moel@429: string backupFileName = fileName + ".backup"; moel@429: try { moel@429: doc.Load(backupFileName); moel@429: } catch { moel@429: try { moel@429: File.Delete(backupFileName); moel@429: } catch { } moel@429: moel@429: return; moel@429: } moel@165: } moel@429: moel@165: XmlNodeList list = doc.GetElementsByTagName("appSettings"); moel@165: foreach (XmlNode node in list) { moel@165: XmlNode parent = node.ParentNode; moel@165: if (parent != null && parent.Name == "configuration" && moel@165: parent.ParentNode is XmlDocument) { moel@165: foreach (XmlNode child in node.ChildNodes) { moel@165: if (child.Name == "add") { moel@165: XmlAttributeCollection attributes = child.Attributes; moel@165: XmlAttribute keyAttribute = attributes["key"]; moel@165: XmlAttribute valueAttribute = attributes["value"]; moel@165: if (keyAttribute != null && valueAttribute != null && moel@165: keyAttribute.Value != null) { moel@165: settings.Add(keyAttribute.Value, valueAttribute.Value); moel@165: } moel@165: } moel@165: } moel@165: } moel@429: } moel@165: } moel@165: moel@165: public void Save(string fileName) { moel@429: moel@165: XmlDocument doc = new XmlDocument(); moel@165: doc.AppendChild(doc.CreateXmlDeclaration("1.0", "utf-8", null)); moel@165: XmlElement configuration = doc.CreateElement("configuration"); moel@165: doc.AppendChild(configuration); moel@165: XmlElement appSettings = doc.CreateElement("appSettings"); moel@165: configuration.AppendChild(appSettings); moel@165: foreach (KeyValuePair keyValuePair in settings) { moel@165: XmlElement add = doc.CreateElement("add"); moel@165: add.SetAttribute("key", keyValuePair.Key); moel@165: add.SetAttribute("value", keyValuePair.Value); moel@165: appSettings.AppendChild(add); moel@165: } moel@429: moel@429: byte[] file; moel@429: using (var memory = new MemoryStream()) { moel@429: using (var writer = new StreamWriter(memory, Encoding.UTF8)) { moel@429: doc.Save(writer); moel@429: } moel@429: file = memory.ToArray(); moel@429: } moel@429: moel@429: string backupFileName = fileName + ".backup"; moel@429: if (File.Exists(fileName)) { moel@429: try { moel@429: File.Delete(backupFileName); moel@429: } catch { } moel@429: try { moel@429: File.Move(fileName, backupFileName); moel@429: } catch { } moel@429: } moel@429: moel@429: using (var stream = new FileStream(fileName, moel@429: FileMode.Create, FileAccess.Write)) moel@429: { moel@429: stream.Write(file, 0, file.Length); moel@429: } moel@429: moel@429: try { moel@429: File.Delete(backupFileName); moel@429: } catch { } moel@165: } moel@165: moel@165: public bool Contains(string name) { moel@165: return settings.ContainsKey(name); moel@165: } moel@165: moel@166: public void SetValue(string name, string value) { moel@165: settings[name] = value; moel@165: } moel@165: moel@166: public string GetValue(string name, string value) { moel@165: string result; moel@165: if (settings.TryGetValue(name, out result)) moel@165: return result; moel@165: else moel@165: return value; moel@165: } moel@165: moel@165: public void Remove(string name) { moel@165: settings.Remove(name); moel@165: } moel@165: moel@166: public void SetValue(string name, int value) { moel@165: settings[name] = value.ToString(); moel@165: } moel@165: moel@166: public int GetValue(string name, int value) { moel@165: string str; moel@165: if (settings.TryGetValue(name, out str)) { moel@165: int parsedValue; moel@165: if (int.TryParse(str, out parsedValue)) moel@165: return parsedValue; moel@165: else moel@165: return value; moel@165: } else { moel@165: return value; moel@165: } moel@165: } moel@165: moel@183: public void SetValue(string name, float value) { moel@183: settings[name] = value.ToString(CultureInfo.InvariantCulture); moel@183: } moel@183: moel@183: public float GetValue(string name, float value) { moel@183: string str; moel@183: if (settings.TryGetValue(name, out str)) { moel@183: float parsedValue; moel@183: if (float.TryParse(str, NumberStyles.Float, moel@183: CultureInfo.InvariantCulture, out parsedValue)) moel@183: return parsedValue; moel@183: else moel@183: return value; moel@183: } else { moel@183: return value; moel@183: } moel@183: } moel@183: moel@166: public void SetValue(string name, bool value) { moel@165: settings[name] = value ? "true" : "false"; moel@165: } moel@165: moel@166: public bool GetValue(string name, bool value) { moel@165: string str; moel@165: if (settings.TryGetValue(name, out str)) { moel@165: return str == "true"; moel@165: } else { moel@165: return value; moel@165: } moel@165: } moel@165: moel@166: public void SetValue(string name, Color color) { moel@165: settings[name] = color.ToArgb().ToString("X8"); moel@165: } moel@165: moel@166: public Color GetValue(string name, Color value) { moel@165: string str; moel@165: if (settings.TryGetValue(name, out str)) { moel@165: int parsedValue; moel@183: if (int.TryParse(str, NumberStyles.HexNumber, moel@183: CultureInfo.InvariantCulture, out parsedValue)) moel@165: return Color.FromArgb(parsedValue); moel@165: else moel@165: return value; moel@165: } else { moel@165: return value; moel@165: } moel@165: } moel@165: } moel@165: }