/// <summary>
/// When Navigating to the page, sets up the page. The args paramater can contain either a study id or a team id to set up the page from.
/// </summary>
/// <param name="args"></param>
protected override async void OnNavigatedTo(NavigationEventArgs args)
{
_logic = new Logic.Logic();
_logic._Origin = Frame.BackStack.FirstOrDefault();
if (_logic._Origin == null)
{
throw new InvalidOperationException("The ManageStudyPage should be navigated to from another page.");
}
if (args.Parameter.GetType() == typeof (Logic.Logic))
{
_logic = args.Parameter as Logic.Logic;
SetUpFromLogic(_logic);
return;
}
// Make sure either a team, or study ID is passed, so that a suitable UI to manage the study can be created.
var studyArgs = args.Parameter as ManageStudyPageArgs;
if (studyArgs == null)
{
throw new ArgumentException("This page needs to receive either a team or study ID as parameter.",
nameof(args));
}
// Based on the parameter passed to this page, either load an existing study, or create a new one.
try
{
if (studyArgs.StudyId != null)
{
await _logic.SetUpFromStudy((int) studyArgs.StudyId);
_logic._IsNewStudy = false;
SetUpFromLogic(_logic);
}
else if (studyArgs.TeamId != null)
{
await _logic.SetUpFromTeam((int) studyArgs.TeamId);
_logic._IsNewStudy = true;
SetUpFromLogic(_logic);
}
}
catch (Exception)
{
var dialog = new MessageDialog("Error retrieving from Database") {Title = "Error"};
await dialog.ShowAsync();
Frame.Navigate(_logic._Origin.SourcePageType);
}
}
/// <summary>
/// Navigating to this page with a logic object.
/// </summary>
/// <param name="args"></param>
protected override void OnNavigatedTo(NavigationEventArgs args)
{
_logic = new Logic.Logic();
var studyArgs = args.Parameter as Logic.Logic;
if (studyArgs == null)
{
throw new ArgumentException("this page needs to recieve a logic as parameter", nameof(args));
}
_logic = studyArgs;
SetUpFromStudy(_logic._StudyToWorkOn);
SetUpCriteria();
}
