/// <summary>
/// Initializes a new instance of the <see cref="Surveys.SurveyViewPage"/> class.
/// </summary>
/// <param name="vg">View generator.</param>
/// <param name="tflp">Page which called this one (for callbacks)</param>
public SurveyViewPage(ViewGenerator vg, ToFillListPage tflp)
{
this.vg = vg;
this._tflp = tflp;
#region creating navigationContent with two buttons
goToPreviousButton = new Button {
Text = "Previous",
IsEnabled = false,
HorizontalOptions = LayoutOptions.StartAndExpand
};
goToPreviousButton.Clicked += OnPreviousClicked;
goToNextButton = new Button {
Text = "Next",
IsEnabled = false,
HorizontalOptions = LayoutOptions.EndAndExpand
};
goToNextButton.Clicked += OnNextClicked;
navigationContent = new StackLayout {
Orientation = StackOrientation.Horizontal,
HeightRequest = 50
};
navigationContent.Children.Add(goToPreviousButton);
navigationContent.Children.Add(goToNextButton);
#endregion
surveyContent = new StackLayout();
surveyContent.Children.Add(navigationContent);
this.Padding = new Thickness(10, Device.OnPlatform(20, 0, 0), 10, 0);
this.Content = surveyContent;
LoadSurvey();
}
/// <summary>
/// Initializes a new instance of the <see cref="Surveys.ToFillListPage"/> class.
/// </summary>
public ToFillListPage()
{
this.Title = "To be answered";
// Read schemas, instances and check for new
List <Survey> allSchemas = IOController.ReadAllSchemas();
List <SurveyAnswer> filledAnswers = new List <SurveyAnswer> ();
List <string> filledAnswersSerialized = IOController.ReadFiles(Constants.filledFolder);
foreach (string s in filledAnswersSerialized)
{
filledAnswers.Add(JSonTranslator.Deserialize <SurveyAnswer> (s));
}
List <Survey> newSchemas = StartupController.checkForNewSchemas(allSchemas, filledAnswers);
// If new, generate unfilled instances
List <SurveyAnswer> surveyUnfilledInstances = new List <SurveyAnswer> ();
if (newSchemas.Count != 0)
{
UserData user = new UserData();
user.Username = "******";
user.ID = "test_ID";
surveyUnfilledInstances = StartupController.generateInstances(newSchemas, user);
}
// Read previously stored unfilled instances
List <string> previouslyUnfilledSerialized = IOController.ReadFiles(Constants.toFillFolder);
foreach (string s in previouslyUnfilledSerialized)
{
SurveyAnswer sa = JSonTranslator.Deserialize <SurveyAnswer> (s);
surveyUnfilledInstances.Add(sa);
}
// set active parts and preapre a display dictionary
Dictionary <string, SurveyAnswer> toAnswerNamed = new Dictionary <string, SurveyAnswer> ();
foreach (SurveyAnswer sa in surveyUnfilledInstances)
{
if (ScheduleController.setActive(sa))
{
toAnswerNamed.Add(sa.Survey.SurveyName + "_" + sa.SurveyId.ToString().Substring(0, 4) + "_" + DateTime.Now.DayOfYear,
sa);
}
}
// Create and initialize ListView.
ListView listView = new ListView();
listView.ItemsSource = toAnswerNamed.Keys;
listView.ItemSelected += (object sender, SelectedItemChangedEventArgs e) => {
if (e.SelectedItem != null)
{
listView.SelectedItem = null;
chosenSurvey = toAnswerNamed [(string)e.SelectedItem];
ViewGenerator vg = new ViewGenerator(chosenSurvey.Survey);
ContentPage surveyPage = new SurveyViewPage(vg, this);
this.Navigation.PushAsync(surveyPage);
}
};
this.Content = new ScrollView {
Content = listView
};
}