void ReleaseDesignerOutlets()
{
if (ContentView != null)
{
ContentView.Dispose();
ContentView = null;
}
if (DescriptionTextField != null)
{
DescriptionTextField.Dispose();
DescriptionTextField = null;
}
if (DescriptionTextView != null)
{
DescriptionTextView.Dispose();
DescriptionTextView = null;
}
if (LivingAreaTextField != null)
{
LivingAreaTextField.Dispose();
LivingAreaTextField = null;
}
if (LotSizeTextField != null)
{
LotSizeTextField.Dispose();
LotSizeTextField = null;
}
if (OperatingCostsTextField != null)
{
OperatingCostsTextField.Dispose();
OperatingCostsTextField = null;
}
if (RoomsTextField != null)
{
RoomsTextField.Dispose();
RoomsTextField = null;
}
if (ScrollView != null)
{
ScrollView.Dispose();
ScrollView = null;
}
if (StreetNameLabel != null)
{
StreetNameLabel.Dispose();
StreetNameLabel = null;
}
if (StreetNameTextField != null)
{
StreetNameTextField.Dispose();
StreetNameTextField = null;
}
if (DescriptionLabelTopConstraint != null)
{
DescriptionLabelTopConstraint.Dispose();
DescriptionLabelTopConstraint = null;
}
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
// Set view title.
Title = ViewModel.Title;
// Set navigation bar style.
this.SetNavigationBarStyle();
// Add left navigation bar item.
var leftNavigationButton = new UIBarButtonItem(UIBarButtonSystemItem.Cancel, (sender, e) =>
ViewModel.GoBackCommand.Execute(null));
NavigationItem.LeftBarButtonItem = leftNavigationButton;
// Add right navigation bar item.
var rightNavigationButton = new UIBarButtonItem(UIBarButtonSystemItem.Save, (sender, e) =>
ViewModel.SaveDetailsCommand.Execute(null));
NavigationItem.RightBarButtonItem = rightNavigationButton;
// Adjust description text field border.
DescriptionTextField.BorderStyle = UITextBorderStyle.RoundedRect;
// Feed the text from text view into the text field which serves
// as the visual frame.
DescriptionTextView.Changed += (sender, e) =>
{
DescriptionTextField.Text = DescriptionTextView.Text;
ViewModel.Validate();
};
// Register event handlers to trigger validation.
NSNotificationCenter.DefaultCenter.AddObserver(UITextField.TextFieldTextDidChangeNotification, obj =>
{
ViewModel.Validate();
});
NSNotificationCenter.DefaultCenter.AddObserver(UITextView.TextDidChangeNotification, obj =>
{
ViewModel.Validate();
});
// Move the labels and fields up if needed.
if (ViewModel.IsExisting)
{
DescriptionLabelTopConstraint.Constant = -50;
}
// Register event handlers to trigger focus flow.
StreetNameTextField.ShouldReturn += textField => DescriptionTextView.BecomeFirstResponder();
RoomsTextField.ShouldReturn += textField => LivingAreaTextField.BecomeFirstResponder();
LivingAreaTextField.ShouldReturn += textField => LotSizeTextField.BecomeFirstResponder();
LotSizeTextField.ShouldReturn += textField => OperatingCostsTextField.BecomeFirstResponder();
OperatingCostsTextField.ShouldReturn += textField => OperatingCostsTextField.ResignFirstResponder();
// Create and apply the binding set.
var set = this.CreateBindingSet <DetailsView, DetailsViewModel>();
set.Bind(StreetNameTextField).To(vm => vm.StreetName);
set.Bind(StreetNameLabel).For("Visibility").To(vm => vm.IsExisting).WithConversion("InvertedVisibility");
set.Bind(StreetNameTextField).For("Visibility").To(vm => vm.IsExisting).WithConversion("InvertedVisibility");
set.Bind(DescriptionTextView).To(vm => vm.Details.Description);
set.Bind(RoomsTextField).To(vm => vm.Details.Rooms);
set.Bind(LivingAreaTextField).To(vm => vm.Details.LivingArea);
set.Bind(LotSizeTextField).To(vm => vm.Details.LotSize);
set.Bind(OperatingCostsTextField).To(vm => vm.Details.OperatingCosts);
set.Bind(rightNavigationButton).For(b => b.Enabled).To(vm => vm.IsValid);
set.Apply();
}
