/// <summary>
/// Erzeugt eine Instanz der Klasse GroupDetailsViewModel.
/// </summary>
/// <param name="navService">Eine Referenz auf den Navigationsdienst der Anwendung.</param>
/// <param name="errorMapper">Eine Referenz auf den Fehlerdienst der Anwendung.</param>
public GroupDetailsViewModel(INavigationService navService, IErrorMapper errorMapper)
: base(navService, errorMapper)
{
// Erzeuge Controller-Instanz.
groupController = new GroupController(this);
IsGroupParticipant = false;
HasLeaveOption = false;
localUser = groupController.GetLocalUser();
if (BallotCollection == null)
BallotCollection = new ObservableCollection<Ballot>();
if (ConversationCollection == null)
ConversationCollection = new ObservableCollection<Conversation>();
// Erzeuge Befehle.
JoinGroupCommand = new AsyncRelayCommand(
param => executeJoinGroupCommandAsync(),
param => canJoinGroup());
LeaveGroupCommand = new AsyncRelayCommand(
param => executeLeaveGroupCommandAsync(),
param => canLeaveGroup());
EditGroupCommand = new RelayCommand(
param => executeEditGroupCommand(),
param => canEditGroup());
ConversationSelectedCommand = new RelayCommand(
param => executeConversationSelectedCommand(param));
SynchronizeDataCommand = new AsyncRelayCommand(
param => executeSynchronizeDataCommandAsync(),
param => canSynchronizeData());
DeleteGroupCommand = new AsyncRelayCommand(
param => executeDeleteGroupAsync(),
param => canDeleteGroup());
DeleteGroupLocallyCommand = new RelayCommand(
param => executeDeleteGroupLocallyCommand(),
param => canDeleteGroupLocally());
ChangeToGroupSettingsCommand = new RelayCommand(
param => executeChangeToGroupSettingsCommand(),
param => canChangeToGroupSettings());
ChangeToAddConversationDialog = new RelayCommand(
param => executeChangeToAddConversationDialog(),
param => canChangeToAddConversationDialog());
BallotSelectedCommand = new RelayCommand(
param => executeBallotSectedCommand(param));
SwitchToCreateBallotDialogCommand = new RelayCommand(
param => executeSwitchToCreateBallotDialogCommand(),
param => canSwitchToCreateBallotDialog());
SwichToGroupParticipantsViewCommand = new RelayCommand(
param => executeSwitchToGroupParticipantsView(),
param => canSwitchToGroupParticipantsView());
}
/// <summary>
/// Erzeugt eine Instanz der Klasse BallotDetailsViewModel.
/// </summary>
/// <param name="navService">Eine Referenz auf den Navigationsdienst der Anwendung.</param>
/// <param name="errorMapper">Eine Referenz auf den Fehlerdienst der Anwendung.</param>
public BallotDetailsViewModel(INavigationService navService, IErrorMapper errorMapper)
: base (navService, errorMapper)
{
groupController = new GroupController(this);
localUser = groupController.GetLocalUser();
if (BallotOptionCollection == null)
BallotOptionCollection = new ObservableCollection<Option>();
if (VoteResultsCollection == null)
VoteResultsCollection = new ObservableCollection<VoteResult>();
PlaceVotesCommand = new AsyncRelayCommand(
param => executePlaceVotesCommand(),
param => canPlaceVotes());
SynchronizeBallotCommand = new AsyncRelayCommand(
param => executeSynchronizeBallotCommand(),
param => canSynchronizeBallot());
SwitchToEditDialogCommand = new RelayCommand(
param => executeSwitchToEditDialogCommand(),
param => canSwitchToEditDialog());
DeleteBallotCommand = new AsyncRelayCommand(
param => executeDeleteBallotAsync(),
param => canDeleteBallot());
}