public AllList(IPreferences preferences)
{
if (manager == null)
{
throw new InvalidOperationException("Internal error. " +
"BackendManager must be set beforehand.");
}
if (preferences == null)
{
throw new ArgumentNullException("preferences");
}
backendManager = manager;
tasks = new ObservableCollection <ITask> ();
taskListsToHide = preferences.GetStringList(
PreferencesKeys.HideInAllTaskList);
preferences.SettingChanged += (prefs, settingKey) => {
if (settingKey != PreferencesKeys.HideInAllTaskList)
{
return;
}
taskListsToHide = prefs.GetStringList(
PreferencesKeys.HideInAllTaskList);
UpdateList();
};
observedLists = new List <ITaskList> ();
UpdateList();
((INotifyCollectionChanged)manager.TaskLists)
.CollectionChanged += delegate { UpdateList(); };
}