/// <summary>
/// Loads the configuration from the specified reader.
/// </summary>
protected override void Load(TextReader reader)
{
XmlDocument xmlDoc = new();
xmlDoc.Load(reader);
XmlElement rootElem = xmlDoc.DocumentElement;
if (rootElem.SelectSingleNode("GeneralOptions") is XmlNode generalOptionsNode)
{
GeneralOptions.LoadFromXml(generalOptionsNode);
}
if (rootElem.SelectSingleNode("ConnectionOptions") is XmlNode connectionOptionsNode)
{
ConnectionOptions.LoadFromXml(connectionOptionsNode);
}
if (rootElem.SelectSingleNode("LoginOptions") is XmlNode loginOptionsNode)
{
LoginOptions.LoadFromXml(loginOptionsNode);
}
if (rootElem.SelectSingleNode("DisplayOptions") is XmlNode displayOptionsNode)
{
DisplayOptions.LoadFromXml(displayOptionsNode);
}
HashSet <string> pluginCodes = new();
if (rootElem.SelectSingleNode("Plugins") is XmlNode pluginsNode)
{
foreach (XmlElement pluginElem in pluginsNode.SelectNodes("Plugin"))
{
string pluginCode = ScadaUtils.RemoveFileNameSuffixes(pluginElem.GetAttribute("code"));
if (pluginCodes.Add(pluginCode.ToLowerInvariant())) // check uniqueness
{
PluginCodes.Add(pluginCode);
}
}
}
if (rootElem.SelectSingleNode("PluginAssignment") is XmlNode pluginAssignmentNode)
{
PluginAssignment.LoadFromXml(pluginAssignmentNode);
}
if (rootElem.SelectSingleNode("CustomOptions") is XmlNode customOptionsNode)
{
foreach (XmlElement optionGroupElem in customOptionsNode.SelectNodes("OptionGroup"))
{
OptionList optionList = new();
optionList.LoadFromXml(optionGroupElem);
CustomOptions[optionGroupElem.GetAttrAsString("name")] = optionList;
}
}
}
/// <summary>
/// Sets the default values.
/// </summary>
protected override void SetToDefault()
{
GeneralOptions = new GeneralOptions();
ConnectionOptions = new ConnectionOptions();
LoginOptions = new LoginOptions();
DisplayOptions = new DisplayOptions();
PluginCodes = new List <string>();
PluginAssignment = new PluginAssignment();
CustomOptions = new SortedList <string, OptionList>();
}
/// <summary>
/// Saves the configuration to the specified writer.
/// </summary>
protected override void Save(TextWriter writer)
{
XmlDocument xmlDoc = new();
XmlDeclaration xmlDecl = xmlDoc.CreateXmlDeclaration("1.0", "utf-8", null);
xmlDoc.AppendChild(xmlDecl);
XmlElement rootElem = xmlDoc.CreateElement("ScadaWebConfig");
xmlDoc.AppendChild(rootElem);
GeneralOptions.SaveToXml(rootElem.AppendElem("GeneralOptions"));
ConnectionOptions.SaveToXml(rootElem.AppendElem("ConnectionOptions"));
LoginOptions.SaveToXml(rootElem.AppendElem("LoginOptions"));
DisplayOptions.SaveToXml(rootElem.AppendElem("DisplayOptions"));
XmlElement pluginsElem = rootElem.AppendElem("Plugins");
foreach (string pluginCode in PluginCodes)
{
pluginsElem.AppendElem("Plugin").SetAttribute("code", pluginCode);
}
PluginAssignment.SaveToXml(rootElem.AppendElem("PluginAssignment"));
XmlElement customOptionsElem = rootElem.AppendElem("CustomOptions");
foreach (KeyValuePair <string, OptionList> pair in CustomOptions)
{
XmlElement optionGroupElem = customOptionsElem.AppendElem("OptionGroup");
optionGroupElem.SetAttribute("name", pair.Key);
pair.Value.SaveToXml(optionGroupElem);
}
xmlDoc.Save(writer);
}
