public void ReadSettings()
{
UserPreference = JsonConvert.DeserializeObject <UserPreference>(Properties.Settings.Default["preference"].ToString());
List <IController> all_ctrls = new List <IController>();
if (UserPreference != null)
{
Type t = typeof(Helper);
string ns = t.Namespace;
foreach (string vendor in UserPreference.Vendors)
{
AccountOption accOpt = (dynamic)UserPreference.GetType().GetProperty(vendor + "Account").GetValue(UserPreference);
foreach (var acc in accOpt.Accounts)
{
if (acc.IsActivate)
{
string clsName = ns + "." + vendor + "Controller";
Type type = Type.GetType(clsName);
IController ctrl = Activator.CreateInstance(type, this) as IController;
ctrl.ConnParam = acc;
// if some connection is connected, then remain unchanged
IController ic = Controllers.FirstOrDefault(x => x.DisplayName == ctrl.DisplayName);
if (ic != null)
{
ic.ConnParam = acc;
all_ctrls.Add(ic);
}
else
{
all_ctrls.Add(ctrl);
}
}
}
// add new controllers
foreach (var ctrl in all_ctrls)
{
IController ic = Controllers.FirstOrDefault(x => x.DisplayName == ctrl.DisplayName);
if (ic == null)
{
Controllers.Add(ctrl);
}
}
// remove out-of-date controllers
foreach (var ctrl in Controllers.ToList())
{
IController ic = all_ctrls.FirstOrDefault(x => x.DisplayName == ctrl.DisplayName);
if (ic == null)
{
foreach (var symbol in SymbolInActions)
{
symbol.AppliedControllers.Remove(ctrl);
}
Controllers.Remove(ctrl);
}
}
}
}
}