using System;
using MonoTouch.Foundation;
using MonoTouch.UIKit;
using System.Drawing;

namespace delete201205142
{
	[Register ("AppDelegate")]
	public partial class AppDelegate : UIApplicationDelegate
	{
		UIWindow _window;
		UINavigationController _navCtrl;
		MyRoot _root;

		public override bool FinishedLaunching (UIApplication app, NSDictionary options)
		{
			_window = new UIWindow (UIScreen.MainScreen.Bounds);
			_root = new MyRoot ();
			_navCtrl = new UINavigationController (_root);
			_window.RootViewController = _navCtrl;
			_window.MakeKeyAndVisible ();
			
			return true;
		}
	}
	
	public class MyRoot : UIViewController
	{
		UIBarButtonItem buttonEdit;
		EditView _currentEditView;
		UILabel _label;
		UILabel _valueLabel;
		
		public override void ViewDidLoad ()
		{
			base.ViewDidLoad ();
			this.View.BackgroundColor = UIColor.White;
			this.NavigationItem.HidesBackButton = true;
			this.buttonEdit = new UIBarButtonItem(UIBarButtonSystemItem.Edit, this.ButtonEdit_Clicked);
			this.NavigationItem.SetRightBarButtonItem (buttonEdit, true);
			
			_label = new UILabel (new RectangleF (20, 20, this.View.Bounds.Width-40, 25));
			_label.AutoresizingMask = UIViewAutoresizing.FlexibleWidth;
			_label.Text = "Name";
			this.View.AddSubview (_label);
			
			_valueLabel = new UILabel (new RectangleF (30, 50, this.View.Bounds.Width-50, 25));
			_valueLabel.AutoresizingMask = UIViewAutoresizing.FlexibleWidth;
			this.View.AddSubview (_valueLabel);
		}	
		
		void ButtonEdit_Clicked (object sender, EventArgs e)
		{
			_currentEditView = new EditView ();
			this.NavigationController.PushViewController (_currentEditView, true);
		}
		
		public override void ViewWillAppear (bool animated)
		{
			base.ViewWillAppear (animated);
			
			if (_currentEditView != null)
			{
				_valueLabel.Text = _currentEditView.NameValue;
			}
		}
		
		public override bool ShouldAutorotateToInterfaceOrientation (UIInterfaceOrientation toInterfaceOrientation)
		{
			return true;
		}
	}
	
	public class EditView : UIViewController
	{
		UIBarButtonItem buttonDone;
		UILabel _label;
		UITextField _textField;
		
		public override void ViewDidLoad ()
		{
			base.ViewDidLoad ();
			this.View.BackgroundColor = UIColor.White;
			this.NavigationItem.HidesBackButton = true;
			this.buttonDone = new UIBarButtonItem(UIBarButtonSystemItem.Done, this.ButtonDone_Clicked);
			this.NavigationItem.SetRightBarButtonItem (buttonDone, true);
			
			_label = new UILabel (new RectangleF (20, 20, this.View.Bounds.Width-40, 31));
			_label.AutoresizingMask = UIViewAutoresizing.FlexibleWidth;
			_label.Text = "Enter Name";
			this.View.AddSubview (_label);
			
			_textField = new UITextField (new RectangleF (20, 50, this.View.Bounds.Width-40, 25));
			_textField.AutoresizingMask = UIViewAutoresizing.FlexibleWidth;
			_textField.BorderStyle = UITextBorderStyle.RoundedRect;
			this.View.AddSubview (_textField);
		}	
		
		public string NameValue 
		{
			get
			{
				return _textField.Text;	
			}
		}
		
		void ButtonDone_Clicked (object sender, EventArgs e)
		{
			this.NavigationController.PopViewControllerAnimated (true);
		}
		
		public override bool ShouldAutorotateToInterfaceOrientation (UIInterfaceOrientation toInterfaceOrientation)
		{
			return true;
		}
	}
}