/// <summary>
/// Initializes a new instance of the <see cref="ConstructorViewModel"/> class given the list of constructors to display.
/// </summary>
/// <param name="data">Constructor table to print.</param>
/// <param name="title">Title of the content page.</param>
public ConstructorViewModel(ConstructorTable data, string title)
{
this._constructors = data;
Title = title;
Items = new ObservableCollection <Constructor>();
LoadItemsCommand = new Command(async() => await ExecuteLoadItemsCommand());
}
/// <summary>
/// Executes the load items command.
/// </summary>
/// <param name="origin">The origin.</param>
async Task ExecuteLoadItemsCommand(string origin = "")
{
if (IsBusy)
{
return;
}
IsBusy = true;
try
{
// Only if data is not provided retrieve every one.
if (origin == _origin_notprovided)
{
_constructors = await App.RestService.GetConstructorsAsync();
}
_constructors.Constructors = _constructors.Constructors.OrderBy(o => o.Name).ToList();
LoadItemsFromData();
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
finally
{
IsBusy = false;
}
}
/// <summary>
/// Open a constructor list with that info.
/// </summary>
/// <param name="page">Current ContentPage.</param>
/// <param name="constructors">List of constructors.</param>
/// <param name="title">Title to display in the bar.</param>
/// <param name="warning">Indicates if show a warning when no data is provided.</param>
public static void OpenConstructor(ContentPage page, ConstructorTable constructors, string title, bool warning = true)
{
if (constructors != null)
{
page.Navigation.PushAsync(new ConstructorPage(new ConstructorViewModel(constructors, title)));
}
else
{
ShowWarning(page, warning);
}
}
