JSGradesMini/ModulePage.xaml.cs at master · jsduxie/JSGradesMini · GitHub

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namespace JSGradesMini;

public partial class ModulePage : ContentPage
{
	private Modules _module;
	private Action _saveQualifications;
	public ModulePage(Modules module, Action saveQualifications)
	{
		InitializeComponent();
		_module = module;
		_saveQualifications = saveQualifications;
		_module.CalculateModuleGrade();
		BindingContext = _module;
		assessmentCollectionView.ItemsSource = _module.Assessments;

	}

	protected override void OnAppearing()
    {
        base.OnAppearing();

		_module.CalculateModuleGrade();
		assessmentCollectionView.ItemsSource = null;
		assessmentCollectionView.ItemsSource = _module.Assessments;
    }

	protected override void OnDisappearing()
    {
        base.OnDisappearing();
		_module.CalculateModuleGrade();
		_saveQualifications();

    }

    private void OnAssessmentSelected(object sender, SelectionChangedEventArgs e)
	{
		if (e.CurrentSelection.FirstOrDefault() is ModuleAssessment selectedAssessment)
        {
			assessmentCollectionView.SelectedItem = null;
            Navigation.PushAsync(new AssessmentPage(selectedAssessment, _saveQualifications));
        }
	}

	private void OnAddAssessmentClicked(object sender, EventArgs e)
	{
		var newAssessment = new ModuleAssessment
		{
			AssessmentType = AssessmentType.Coursework,
			AssessmentName = "New Assessment",
			DueDate = DateTime.Now,
			Weighting = 0.0f,
			Grade = 0.0f,
			IsComplete = false

		};
		_module.Assessments.Add(newAssessment);

		assessmentCollectionView.ItemsSource = null;
		assessmentCollectionView.ItemsSource = _module.Assessments;

		_saveQualifications();
	}
}