//Opens a new window when a search item is clicked.
public async void itemTapped(object sender, ItemTappedEventArgs e)
{
if (e.Item == null)
{
return; //ItemSelected is called on deselection, which results in SelectedItem being set to null
}
//navigate to NutrFacts page, passing in the event arguments
nutrFacts = new NutrFacts(this, (NumoNameSearch)e.Item);
await Navigation.PushAsync(nutrFacts);
selectedResult = (NumoNameSearch)e.Item;
}
//Retrieve custom quantifiers from database and add to searchItem
public void addCustomQuantifiers(NumoNameSearch item)
{
string data_num = item.food_no.ToString();
if (data_num.Length == 4)
{
data_num = "0" + data_num;
}
var convertItems = getCustomQuantifiers(item.food_no);
item.convertions.AddRange(convertItems);
}
public NutrFacts(AddItemPage aip, NumoNameSearch search)
{
InitializeComponent();
//save reference to food item
selectedResult = search;
//so the saveButtonClicked method can be used by the classes inheritting from AddItemPage
this.aip = aip;
//establish the save button on the top right
ToolbarItem save = new ToolbarItem();
save.Text = "Save";
save.Clicked += saveButtonClicked;
ToolbarItems.Add(save);
//establish description view
descrView.Text = search.ToString();
descrView.FontSize = Device.GetNamedSize(NamedSize.Large, typeof(Label));
descrView.VerticalOptions = LayoutOptions.Start;
descrView.HorizontalOptions = LayoutOptions.Start;
//set default units in picker
//add any custom picker units from selected item
updateUnitPickerWithCustomOptions();
//set default input values
Quantity = "1";
UnitsPicker.SelectedIndex = 0;
UnitPickerText = UnitsPicker.SelectedItem.ToString();
//so that it is not called incorrectly
//get nutrient info on food item
displayNutrInfo();
}
