public override void OnNavigatingTo(NavigationParameters parameters)
{
base.OnNavigatedTo(parameters);
if (parameters["user"] != null)
{
var user = (UserDto)parameters["user"];
if (user != null)
{
if (!IsUserInGroup(user))
{
var newCollection = new ObservableCollection <UserDto>(UsersInGroup);
newCollection.Insert(UsersInGroup.Count - 1, user);
//Terrible
UsersInGroup.Clear();
foreach (var u in newCollection)
{
UsersInGroup.Add(u);
}
}
}
}
else
{
if (parameters["group"] != null)
{
this.Group = (GroupDto)parameters["group"];
RaisePropertyChanged(nameof(Group));
GroupName = Group.Name;
TrackCost = Group.TrackCost;
SelectedIconName = Group.GroupIconName;
RaisePropertyChanged(nameof(GroupName));
//UsersInGroup = new ObservableCollection<ShoutUserDto>(Group.Users);
UsersInGroup.Clear();
UsersInGroup = new ObservableCollection <UserDto>(Group.Users);
RaisePropertyChanged(nameof(UsersInGroup));
}
else
{
UsersInGroup.Add(Settings.Current.User);
UserDto u = new UserDto();
u.ID = DummyGuid;
u.AvatarUrl = "ic_plus_white_18dp.png";
UsersInGroup.Add(u);
}
if (parameters["shout"] != null)
{
ShoutFromEdit = (RecordDto)parameters["shout"];
}
if (parameters["edit"] != null)
{
IsEdit = true;
Title = "Edit Group";
RaisePropertyChanged(nameof(IsEdit));
}
}
}
public async void OnUserClickedCommand(int?index)
{
if (!IsEdit && index.HasValue)
{
if (index == 0)
{
return;
}
else if (index == UsersInGroup.Count - 1)
{
//Push to page
NavigationParameters nav = new NavigationParameters();
nav.Add("friends", Friends);
await _navigationService.NavigateAsync("AddUserToGroupPage", nav);
}
else
{
var newCollection = new ObservableCollection <UserDto>(UsersInGroup);
newCollection.RemoveAt(index.Value);
//Terrible
UsersInGroup.Clear();
foreach (var u in newCollection)
{
UsersInGroup.Add(u);
}
}
}
}
public Task AddUserToGroup(string groupId, string userId)
{
if (Users.Count == 0)
{
throw new ArgumentException($"no users were preconfigured. Call 'PreConfigureUserInMock' to do so.");
}
if (!Users.Any(u => u.Id.Equals(userId)))
{
throw new ArgumentException($"user with id {userId} was not preconfigured. Call 'PreConfigureUserInMock' to do so.");
}
var user = Users.First(u => u.Id.Equals(userId));
if (!UsersInGroup.ContainsKey(groupId))
{
UsersInGroup.Add(groupId, new List <string>()
{
userId
});
}
else
{
var group = UsersInGroup.First(g => g.Key.Equals(groupId));
if (!group.Value.Any(id => id.Equals(userId)))
{
;
}
{
group.Value.Add(userId);
}
}
return(Task.CompletedTask);
}
public ShoutGroupPageViewModel(INavigationService navigationService, IEventAggregator eventAggregator) : base(navigationService)
{
Button b = new Button();
var x2 = (FileImageSource)ImageSource.FromFile("ic_coffee_outline_white_48dp.png");
var x1 = (FileImageSource)ImageSource.FromFile("ic_food_croissant_white_48dp.png");
Icons.Add(x1);
Icons.Add(x2);
m_NavigationService = navigationService;
m_EventAggregator = eventAggregator;
CreateGroupCommand = new DelegateCommand(OnCreateGroupCommand);
AddUserToGroupCommand = new DelegateCommand(OnAddUserToGroupCommand);
CancelCommand = new DelegateCommand(OnCancelCommand);
ClickColourCommand = new Command <object>(OnClickColourCommand);
ClickColour = new DelegateCommand(OnClickColour);
ClickIconCommand = new Command <object>(OnClickIconCommand);
ClickIcon = new DelegateCommand(OnClickIcon);
RemoveUserCommand = new DelegateCommand <int?>(OnRemoveUserCommand);
UsersInGroup.Add(new ShoutUserDto());
Colours = MyColours;
}
public void OnAddUserToGroupCommand()
{
UsersInGroup.Add(new ShoutUserDto());
RaisePropertyChanged(nameof(UsersInGroup));
}