/// <summary>
/// React to changes in internet connectivity
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void Connectivity_ConnectivityChanged(object sender, ConnectivityChangedEventArgs e)
{
IsNotConnected = e.NetworkAccess != NetworkAccess.Internet;
LogoutCommand.RaiseCanExecuteChanged();
SyncCommand.RaiseCanExecuteChanged();
DeleteProjectCommand.RaiseCanExecuteChanged();
}
/// <summary>
/// Set the current project on appearing
/// </summary>
public void OnAppearing()
{
Task.Run(() =>
{
string projId = Preferences.Get("currentProject", @"");
SyncCommand.RaiseCanExecuteChanged();
App.CurrentProjectId = projId;
try
{
this.SetProject(projId);
}
catch (Exception exp)
{
Console.WriteLine("Couldn't set project " + exp);
}
});
}
/// <summary>
/// Initialise the project page
/// </summary>
public ProjectsPageVM()
{
Title = "Projekt";
//Create commands
SyncCommand = new SyncCommand(this);
DeleteProjectCommand = new DeleteProjectCommand(this);
CopyBDCGUIDCommand = new BDCGUIDCommand(this);
LogoutCommand = new LogoutCommand(this);
CurrentAppVersion = VersionTracking.CurrentVersion.ToString() + "(" + VersionTracking.CurrentBuild.ToString() + ")";
MessagingCenter.Subscribe <Application>(App.Current, "RefreshRecords", (sender) =>
{
ChangesMessageVisible = Project.ProjectHasUnsavedChanges(App.CurrentProjectId);
});
MessagingCenter.Subscribe <Application>(App.Current, "RefreshGeometries", (sender) =>
{
ChangesMessageVisible = Project.ProjectHasUnsavedChanges(App.CurrentProjectId);
});
//Get user or log new one in
if (App.CurrentUser != null)
{
CheckProjectAvailability();
Connectivity.ConnectivityChanged += Connectivity_ConnectivityChanged;
}
else
{
App.Current.MainPage.Navigation.PushAsync(new MainPage(), true);
}
//Subscribe to messages
MessagingCenter.Subscribe <Application>(App.Current, "SetProject", (sender) =>
{
var newId = Preferences.Get("currentProject", "");
this.SetProject(newId);
});
Activity = "";
MessagingCenter.Subscribe <Application, string>(App.Current, "SyncMessage", (sender, arg) =>
{
Activity = arg;
});
}