/// <summary>
/// Blank stack looks trivial but still needs to align text in the middle of the page
/// So you can't just put a big label to show this message since labels should be
/// located into proper location
/// </summary>
/// <returns>AlarmEmptyPageLayout</returns>
private AlarmEmptyPageLayout CreateBlankStack()
{
/// Create a blan page layout
blankLayout = new AlarmEmptyPageLayout();
/// Sets proper texts
blankLayout.MainTitle = "No alarms";
blankLayout.Subline1 = "After you create alarms, they will";
blankLayout.Subline2 = "be shown here";
return(blankLayout);
}
/// <summary>
/// blank layout to show when no alarm available
/// </summary>
public AlarmListPage()
{
/// Title for this page
Title = "Alarm";
/// Icon to be shown in the main tab
Icon = "maintabbed/clock_tabs_ic_alarm.png";
alarmModel = new AlarmModel();
BindingContext = alarmModel;
// Create alarmList UI whether or not there is a saved alarm record
alarmListUI = new AlarmListUI();
// Create Blank page
blankLayout = CreateBlankStack();
AlarmModel.PrintAll("In AlarmListPage(), Dictionary and list are loaded.");
/// Needs to check alarm record dictionary availability
blankLayout.IsVisible = (AlarmModel.ObservableAlarmList.Count == 0) ? true : false;
alarmListUI.IsVisible = (AlarmModel.ObservableAlarmList.Count == 0) ? false : true;
blankLayout.SetBinding(RelativeLayout.IsVisibleProperty, new Binding("Count", BindingMode.Default, new ItemCountToVisibilityConverter(), true, source: AlarmModel.ObservableAlarmList));
alarmListUI.SetBinding(StackLayout.IsVisibleProperty, new Binding("Count", BindingMode.Default, new ItemCountToVisibilityConverter(), false, source: AlarmModel.ObservableAlarmList));
StackLayout mainLayout = new StackLayout
{
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.FillAndExpand,
Spacing = 0,
Children =
{
blankLayout,
alarmListUI,
}
};
Content = mainLayout;
}