public Task<int> DeleteShoppingItem(ShoppingItem item)
{
return Task.Factory.StartNew(() => {
var id = DeleteItem(item);
return id;
});
}
public Task<ShoppingItem> SaveShoppingItem(ShoppingItem item)
{
return Task.Factory.StartNew(() =>
{
SaveItem(item);
return item;
});
}
public LongPressElement(ShoppingItem item, MonoTouch.Foundation.NSAction tappedAction,MonoTouch.Foundation.NSAction longPressAction)
: base(item.Item,tappedAction)
{
this.item = item;
this.longPressAction = longPressAction;
gester = new UILongPressGestureRecognizer ();
gester.Delegate = new LongPressGestureDelegate ();
gester.MinimumPressDuration = .5;
gester.AddTarget (x => {
if ((x as UILongPressGestureRecognizer).State == UIGestureRecognizerState.Began)
{
longPressAction();
}
});
}
private ShoppingItem SaveItem(ShoppingItem item)
{
if (item.Id == 0)
{
conn.Insert(item);
Console.WriteLine ("New item ID: {0} inserted", item.Id);
}
else
{
conn.Update(item);
Console.WriteLine ("Item ID: {0} updated", item.Id);
}
return item;
}
public ShoppingItemView(ShoppingItem item):base(null,true)
{
this.presenter = new ShoppingItemViewPresenter(item);
// var tap = new UITapGestureRecognizer ();
// tap.AddTarget (() =>{
// View.EndEditing (true);
// });
// View.AddGestureRecognizer (tap);
presenter.IsBusyChanged = (busy) =>
{
if(busy)
UIApplication.SharedApplication.NetworkActivityIndicatorVisible = true;
else
UIApplication.SharedApplication.NetworkActivityIndicatorVisible = false;
};
}
public async void DeleteItem(ShoppingItem item)
{
try
{
IsBusy = true;
var id = await shoppingService.DeleteShoppingItem(item);
Refresh();
IsBusy = false;
}
catch (Exception exception)
{
Console.WriteLine("Unable to delete item");
}
finally
{
IsBusy = false;
}
}
public async void MarkAsComplete(ShoppingItem item)
{
try
{
IsBusy = true;
item.Completed = !item.Completed; // Toggle Complete for now.
var result = await shoppingService.SaveShoppingItem(item);
Console.WriteLine("{0} marked as {1}",item.Item,item.Completed ? "Completed" : "Not Complete");
Refresh();
IsBusy = false;
}
catch (Exception exception)
{
Console.WriteLine("Unable to mark as complete");
}
finally
{
IsBusy = false;
}
}
private int DeleteItem(ShoppingItem item)
{
var id = conn.Delete(item);
Console.WriteLine ("Item ID: {0} deleted", item.Id);
return id;
}
public ShoppingItemViewPresenter(ShoppingItem item)
{
this.item = item;
this.service = new ShoppingService();
}
public void ShowItemView(ShoppingItem item)
{
view.ShowItemView (item);
}
public ShoppingItemWrapper(ShoppingItem item)
{
this.item = item;
}
/// <summary>
/// copy constructor, creates an object with values from different object by making a complete copy of the internal reference
/// </summary>
/// <param name="theOtherShoppingItem"></param>
public ShoppingItem(ShoppingItem theOtherShoppingItem)
{
description = theOtherShoppingItem.description;
amount = theOtherShoppingItem.amount;
unit = theOtherShoppingItem.unit;
}
public void ShowItemView(ShoppingItem item)
{
NavigationController.PushViewController(new ShoppingItemView(item),true);
}
