public static ObservableCollection <FoodSearch> Result(List <Food> foods)
{
var result = new FoodSearch();
var collection = new ObservableCollection <FoodSearch>();
foreach (Food f in foods)
{
result = new FoodSearch()
{
Name = f.Name, Id = f.Id
};
collection.Add(result);
}
return(collection);
}
public MainPage()
{
InitializeComponent();
foods = new List <Food>();
foodCollection = new ObservableCollection <FoodSearch>();
infoLabel.Margin = new Thickness(10, 50, 0, 0);
var layout = new StackLayout
{
VerticalOptions = LayoutOptions.StartAndExpand,
Children =
{
new Label {
HorizontalTextAlignment = TextAlignment.Center,
VerticalTextAlignment = TextAlignment.Center,
Text = "Sök näringsinnehåll",
FontSize = Device.GetNamedSize(NamedSize.Large, typeof(Label)),
FontAttributes = FontAttributes.Bold,
TextColor = Color.OrangeRed,
Margin = new Thickness(10)
}
}
};
Content = layout;
var search = new StackLayout
{
Orientation = StackOrientation.Horizontal
};
var searchEntry = new Entry
{
HorizontalTextAlignment = TextAlignment.Start,
HorizontalOptions = LayoutOptions.FillAndExpand
};
Button searchButton = new Button
{
Text = "Sök",
HorizontalOptions = LayoutOptions.End
};
search.Children.Add(searchEntry);
search.Children.Add(searchButton);
layout.Children.Add(search);
list.ItemsSource = foodCollection;
searchButton.Clicked += async(s, e) => {
layout.Children.Add(list);
layout.Children.Remove(table);
layout.Children.Remove(infoLabel);
list.ItemsSource = null;
foods = await GetMatchingFoods(searchEntry.Text);
if (foods.Count == 0)
{
layout.Children.Remove(list);
infoLabel.Text = "Din sökning gav inga träffar";
layout.Children.Add(infoLabel);
}
foodCollection = FoodSearch.Result(foods);
list.ItemsSource = foodCollection;
};
infoLabel.Text = "";
infoLabel.FontSize = Device.GetNamedSize(NamedSize.Medium, typeof(Label));
infoLabel.FontAttributes = FontAttributes.Bold;
infoLabel.TextColor = Color.OrangeRed;
list.ItemSelected += async(s, e) =>
{
list.ItemsSource = null;
layout.Children.Remove(list);
searchEntry.Text = "";
var selectedFood = (FoodSearch)e.SelectedItem;
var food = await GetFoodById(selectedFood.Id);
infoLabel.Text = food.Name;
Energy.Text = food.EnergyInKcal.ToString();
Carbohydrates.Text = food.Carbohydrates.ToString();
Fat.Text = food.Fat.ToString();
Protein.Text = food.Protein.ToString();
Fiber.Text = food.Fibers.ToString();
Sugars.Text = food.Sugars.ToString();
SaturatedFat.Text = food.SaturatedFat.ToString();
Salt.Text = food.Salt.ToString();
VitD.Text = food.VitaminD.ToString();
Iron.Text = food.Iron.ToString();
layout.Children.Add(infoLabel);
layout.Children.Add(table);
};
}
