public override void ViewDidLoad()
{
if (NavigationParameter == null)
{
throw new InvalidOperationException("No parameter found after navigation");
}
Vm = (FlowerViewModel)NavigationParameter;
DescriptionText = new UILabel(new CGRect(0, 0, 300, 235))
{
LineBreakMode = UILineBreakMode.WordWrap,
Lines = 0,
};
Scroll.Add(DescriptionText);
FlowerImage.SetImage(
new NSUrl(Vm.ImageUri.AbsoluteUri),
UIImage.FromBundle("flower_256_magenta.png"));
this.SetBinding(
() => Vm.Model.Name)
.WhenSourceChanges(
() =>
{
// iOS is quite primitive and requires layout recalculation when the content
// of UI elements changes. This is a good place to do that.
NameText.Text = Vm.Model.Name;
NameText.SizeToFit();
NameText.Frame = new CGRect(140, 75, 170, NameText.Bounds.Height);
});
this.SetBinding(
() => Vm.Model.Description)
.WhenSourceChanges(
() =>
{
DescriptionText.Text = Vm.Model.Description;
DescriptionText.SizeToFit();
DescriptionText.Frame = new CGRect(
0,
0,
Scroll.Bounds.Width - 20,
DescriptionText.Bounds.Height);
Scroll.ContentSize = new CGSize(Scroll.Bounds.Width - 20, DescriptionText.Bounds.Height + 20);
Scroll.SetNeedsLayout();
});
SeeCommentsButton.TouchUpInside += (s, e) =>
{
var nav = ServiceLocator.Current.GetInstance <INavigationService>();
nav.NavigateTo(AppDelegate.SeeCommentsPageKey, Vm);
};
base.ViewDidLoad();
}
public override void ViewDidLoad()
{
View = new UniversalView();
base.ViewDidLoad();
InitializeComponent();
Title = "Details";
FlowerImage.SetImage(
new NSUrl(Vm.ImageUri.AbsoluteUri),
UIImage.FromBundle("flower_256_magenta.png"));
this.SetBinding(
() => Vm.Model.Name)
.WhenSourceChanges(
() =>
{
// iOS is quite primitive and requires layout recalculation when the content
// of UI elements changes. This is a good place to do that.
NameText.Text = Vm.Model.Name;
NameText.SizeToFit();
NameText.Frame = new CGRect(140, 75, 170, NameText.Bounds.Height);
});
this.SetBinding(
() => Vm.Model.Description)
.WhenSourceChanges(
() =>
{
DescriptionText.Text = Vm.Model.Description;
DescriptionText.SizeToFit();
DescriptionText.Frame = new CGRect(0, 0, 300, DescriptionText.Bounds.Height);
Scroll.ContentSize = new CGSize(300, DescriptionText.Bounds.Height);
Scroll.SetNeedsLayout();
});
SeeCommentButton.Clicked += (s, e) =>
{
// iOS is the only framework where we decided to split the comments
// on a different page. This is a good example that you can easily
// have different UI experience even though the ViewModel and Model are the same
var controller = Vm.Model.Comments.GetController(
CreateCommentCell,
BindCommentCell);
controller.Title = "Comments";
var addCommentButton = new UIBarButtonItem(UIBarButtonSystemItem.Add, null);
addCommentButton.SetCommand("Clicked", Vm.AddCommentCommand);
controller.NavigationItem.SetRightBarButtonItem(addCommentButton, false);
AppDelegate.MainNavigationController.PushViewController(controller, true);
};
}