public override void ViewDidLoad()
{
base.ViewDidLoad();
// The loading overlay
pnlLoadingOverlay.BackgroundColor = UIColor.FromPatternImage(new UIImage("pizza-bg-pattern.png"));
pnlLoadingOverlay.Hidden = false;
pbProgress.Progress = 0;
// Start loading the data
var rawData = new PizzaDataset();
rawData.loadData(
// Loading progress callback
(bytesRead, bytesTotal) =>
{
float percentage = (float)((double)bytesRead / (double)bytesTotal);
// Update the UI
InvokeOnMainThread(() =>
{
pbProgress.Progress = percentage;
});
},
// Finish callback
(success) =>
{
if (!success)
{
return;
}
var displayData = new PizzaTableViewSource(rawData);
// Update the UI
InvokeOnMainThread(() =>
{
// hide the progress bar
pnlLoadingOverlay.Hidden = true;
// set the table data
tvPizzaList.Source = displayData;
tvPizzaList.ReloadData();
});
}
);
// Update the header icon
updateExpandAllIcon();
// Setup the TableView decoration
//tvPizzaList.BackgroundColor = UIColor.FromRGB(34, 35, 40);
tvPizzaList.BackgroundColor = UIColor.FromPatternImage(new UIImage("pizza-bg-pattern.png"));
// Setup the TableView data
tvPizzaList.RowHeight = UITableView.AutomaticDimension;
tvPizzaList.EstimatedRowHeight = 60;
}
public PizzaTableViewSource(PizzaDataset data)
{
_topPizzas = new List <TopPizzaData>();
/*var random = new Random();
*
* List<string> allToppings = new List<string>(
*
* new string []{
* "mozzarella cheese",
* "bacon",
* "beef",
* "onions",
* "pineapple",
* "mushrooms",
* "pepperoni"
* });
*
* for (int i = 0; i < 200; i++)
* {
* int toppingsCount = 1 + random.Next(allToppings.Count);
* var dataItem = new TopPizzaData()
* {
* ordersCount = 2 + (uint)random.Next(200)
* };
*
* allToppings.Shuffle(random);
*
* for (int j=0; j< toppingsCount; j++)
* {
* dataItem.toppings.Add(allToppings[j]);
* }
*
* _topPizzas.Add(dataItem);
* }*/
foreach (var pizza in data.topData)
{
_topPizzas.Add(pizza);
}
}
