//
// Button sample in C#v
//

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

public class ButtonsViewController : UITableViewController {

	//
	// This datasource describes how the UITableView should render the
	// contents.   We have a number of sections determined by the
	// samples in our container class, and 2 rows per section:
	//
	//   Row 0: the actual styled button
	//   Row 1: the text information about the button
	//
	class DataSource : UITableViewDataSource {
		ButtonsViewController bvc;
		static NSString kDisplayCell_ID = new NSString ("DisplayCellID");
		static NSString kSourceCell_ID = new NSString ("SourceCellID");
		
		public DataSource (ButtonsViewController bvc)
		{
			this.bvc = bvc;
		}

		public override int NumberOfSections (UITableView tableView)
		{
			return bvc.samples.Length;
		}

		public override string TitleForHeader (UITableView tableView, int section)
		{
			return bvc.samples [section].Title;
		}

		public override int RowsInSection (UITableView tableView, int section)
		{
			return 2;
		}

		public override UITableViewCell GetCell (UITableView tableView, NSIndexPath indexPath)
		{
			UITableViewCell cell;

			if (indexPath.Row == 0){
				cell = tableView.DequeueReusableCell (kDisplayCell_ID);
				if (cell == null){
					cell = new UITableViewCell (UITableViewCellStyle.Default, kDisplayCell_ID);
					cell.SelectionStyle = UITableViewCellSelectionStyle.None;
				} else {
					// The cell is being recycled, remove the old content
					
					UIView viewToRemove = cell.ContentView.ViewWithTag (kViewTag);
					if (viewToRemove != null)
						viewToRemove.RemoveFromSuperview ();
				}
				cell.TextLabel.Text = bvc.samples [indexPath.Section].Label;
				cell.ContentView.AddSubview (bvc.samples [indexPath.Section].Button);
			} else {
				cell = tableView.DequeueReusableCell (kSourceCell_ID);
				if (cell == null){
					// Construct the cell with reusability (the second argument is not null)
					cell = new UITableViewCell (UITableViewCellStyle.Default, kSourceCell_ID);
					cell.SelectionStyle = UITableViewCellSelectionStyle.None;
					var label = cell.TextLabel;
					
					label.Opaque = false;
					label.TextAlignment = UITextAlignment.Center;
					label.TextColor = UIColor.Gray;
					label.Lines = 2;
					label.HighlightedTextColor = UIColor.Black;
					label.Font = UIFont.SystemFontOfSize (12f);
				}
				cell.TextLabel.Text = bvc.samples [indexPath.Section].Source;
			}

			return cell;
		}
	}

	class TableDelegate : UITableViewDelegate {
		//
		// Override to provide the sizing of the rows in our table
		//
		public override float GetHeightForRow (UITableView tableView, NSIndexPath indexPath)
		{
			// First row is always 50 pixes, second row 38
			return indexPath.Row == 0 ? 50f : 38f;
		}
	}

	// Load our definition from the NIB file
	public ButtonsViewController () : base ("ButtonsViewController", null)
	{
	}

	// For tagging our embedded controls at cell recylce time.
	const int kViewTag = 1;
	
	//
	// Utility function that configures the various buttons that we create
	//
	static UIButton ButtonWithTitle (string title, RectangleF frame, UIImage image, UIImage imagePressed, bool darkTextColor)
	{
		var button = new UIButton (frame) {
			VerticalAlignment = UIControlContentVerticalAlignment.Center,
			HorizontalAlignment = UIControlContentHorizontalAlignment.Center,
			BackgroundColor = UIColor.Clear
		};

		button.SetTitle (title, UIControlState.Normal);
		if (darkTextColor)
			button.SetTitleColor (UIColor.Black, UIControlState.Normal);
		else
			button.SetTitleColor (UIColor.White, UIControlState.Normal);

		var newImage = image.StretchableImage (12, 0);
		button.SetBackgroundImage (newImage, UIControlState.Normal);
		var newPressedImage = image.StretchableImage (12, 0);
		button.SetBackgroundImage (newPressedImage, UIControlState.Highlighted);
		
		button.Tag = kViewTag;   // To support reusable cells

		button.TouchDown += delegate {
			Console.WriteLine ("The button has been touched");
		};
		
		return button;
	}
	
	UIButton GrayButton ()
	{
		var background = UIImage.FromFile ("whiteButton.png");
		var backgroundPressed = UIImage.FromFile ("blueButton.png");
		var frame = new RectangleF (182f, 5f, 106f, 40f);

		return ButtonWithTitle ("Gray", frame, background, backgroundPressed, true);
	}

	UIButton ImageButton ()
	{
		var background = UIImage.FromFile ("whiteButton.png");
		var backgroundPressed = UIImage.FromFile ("blueButton.png");
		var frame = new RectangleF (182f, 5f, 106f, 40f);

		var button = ButtonWithTitle ("", frame, background, backgroundPressed, true);

		button.SetImage (UIImage.FromFile ("UIButton_custom.png"), UIControlState.Normal);
		return button;
	}

	UIButton RoundedButtonType ()
	{
		var button = UIButton.FromType (UIButtonType.RoundedRect);
		button.Frame = new RectangleF (182f, 5f, 106f, 40f);
		button.BackgroundColor = UIColor.Clear;
		button.SetTitle ("Rounded", UIControlState.Normal);

		button.Tag = kViewTag;   // To support reusable cells
		return button;
	}

	UIButton DetailDisclosureButton ()
	{
		var button = UIButton.FromType (UIButtonType.DetailDisclosure);
		button.Frame = new RectangleF (250f, 8f, 25f, 25f);
		button.BackgroundColor = UIColor.Clear;
		button.SetTitle ("Detail Disclosure", UIControlState.Normal);
		
		button.Tag = kViewTag;   // To support reusable cells
		return button;
	}


	UIButton InfoDarkButtonType ()
	{
		var button = UIButton.FromType (UIButtonType.InfoDark);
		button.Frame = new RectangleF (250, 8f, 25f, 25f);
		button.BackgroundColor = UIColor.Clear;
		button.SetTitle ("Detail Disclosure", UIControlState.Normal);
		
		button.Tag = kViewTag;   // To support reusable cells
		return button;
	}

	UIButton InfoLightButtonType ()
	{
		var button = UIButton.FromType (UIButtonType.InfoLight);
		button.Frame = new RectangleF (250, 8f, 25f, 25f);
		button.BackgroundColor = UIColor.Gray;
		button.SetTitle ("Detail Disclosure", UIControlState.Normal);

		button.Tag = kViewTag;   // To support reusable cells
		return button;
	}

	UIButton ContactAddButtonType ()
	{
		var button = UIButton.FromType (UIButtonType.ContactAdd);
		button.Frame = new RectangleF (250, 8f, 25f, 25f);
		button.BackgroundColor = UIColor.Clear;
		button.SetTitle ("Detail Disclosure", UIControlState.Normal);

		button.Tag = kViewTag;   // To support reusable cells
		return button;
	}
	
	struct ButtonSample {
		public string Title, Label, Source;
		public UIButton Button;

		public ButtonSample (string t, string l, string s, UIButton b)
		{
			Title = t;
			Label = l;
			Source = s;
			Button = b;
		}
	}

	ButtonSample [] samples;

	public override void ViewDidLoad ()
	{
		Console.WriteLine ("Buttons: View Did Load - FIrst");
		base.ViewDidLoad ();
		Title = "Buttons";

		samples = new ButtonSample [] {
			new ButtonSample ("UIButton", "Background image", "buttons.cs:\rUIButton GrayButton ()", GrayButton ()),
			new ButtonSample ("UIButton", "Button with image", "buttons.cs:\rUIButton ImageButton ()", ImageButton ()),
			new ButtonSample ("UIButtonRoundedRect", "Rounded Button", "buttons.cs:\rUIButton RoundedButtonType ()", RoundedButtonType ()),
			new ButtonSample ("UIButtonTypeDetailDisclosure", "Detail disclosure", "buttons.cs:\rUIButton DetailDisclosureButton ()", DetailDisclosureButton ()),
			new ButtonSample ("UIButtonTypeInfoLight", "Info light", "buttons.cs:\rUIButton InfoLightButtonType ()", InfoLightButtonType ()),
			new ButtonSample ("UIButtonTypeInfoDark", "Info dark", "buttons.cs:\rUIButton InfoLightButtonType ()", InfoDarkButtonType ()),
			new ButtonSample ("UIButtonTypeContactAdd", "Contact Add", "buttons.cs:\rUIButton ContactAddButtonType ()", ContactAddButtonType ())
		};

		TableView.DataSource = new DataSource (this);
		TableView.Delegate = new TableDelegate ();
	}

	
}