gistfile1.txt

using System;
using System.Text;
using MonoTouch.UIKit;
using MonoTouch.Foundation;
using MonoTouch.Dialog;
using System.Net;

namespace MIX10
{

	public partial class HomeViewController
	{
		enum Activity {
			Passed,
			HadDinnerWith,
			TookMyPictureWith,
			EavesdroppedOn,
			Fanboyed
		}
		
		[Preserve (AllMembers=true)]
		class CelebForm {
			[Section ("Spotted a Mix10 Celebrity?\nYou can now share it with the world!")]
			[Entry ("Your twitter name")]
			public string Name = "";
			
			[Section ("I just...")]
			public Activity activity = Activity.Passed;
			

			[Section ("Mix Celebrity")]
			[Checkbox] public bool TheGu;
			[Checkbox] public bool CodingHorror;
			
			[Entry ("Celebrity name")]
			public string Other = "";
			
			[Entry ("At...")]
			public string At;
			
			[Section (null, "This post will appear as @mixcelebs")]
			[Caption ("Tweet it!"), OnTap ("Post")]
			public string post;
		}
		
		CelebForm celeb;
		BindingContext context;
		
		void CelebSpot ()
		{
			celeb = new CelebForm ();	
			context = new BindingContext (this, celeb, "Celeb Spot");
			var dc = new DialogViewController (context.Root, true);
			ActivateController (dc);
		}
		
		public void Post ()
		{
			context.Fetch ();
			
			if (celeb.Name == ""){
				using (var alert = new UIAlertView ("Name missing", "You must give us your twitter name", null, "OK")){
					alert.Show ();
				}
				return;
			}
			if (celeb.At == ""){
				using (var alert = new UIAlertView ("Location missing", "Where did you spot this awesome celebrity?  Let us know", null, "OK")){
					alert.Show ();
				}
				return;
			}
			
			// trim @ from name; may have been input, maybe not
			celeb.Name = celeb.Name.Trim('@',' ');
			
			var sb = new StringBuilder ();
			sb.Append ("I @" + celeb.Name + " just ");
			switch (celeb.activity){
			case Activity.Passed:
				sb.Append ("passed "); break;
			case Activity.HadDinnerWith:
				sb.Append ("had dinner with "); break;
			case Activity.TookMyPictureWith:
				sb.Append ("took my picture with "); break;
			case Activity.EavesdroppedOn:
				sb.Append ("eavesdropped on "); break;
			case Activity.Fanboyed:
				sb.Append ("fanboyed "); break;
			}
			if (celeb.TheGu)
				sb.Append ("TheGu ");
			if (celeb.CodingHorror)
				sb.Append ("Atwood ");
			if (celeb.Other != "")
				sb.Append ("@" + celeb.Other.Trim() + " (minor celebrity) ");
			
			sb.Append ("at ");
			sb.Append (celeb.At);
			sb.Append (" ");
			
			if (celeb.TheGu == false && celeb.CodingHorror == false && celeb.Other == ""){
				using (var alert = new UIAlertView ("Celeb Missing", "You must specify a celeb", null, "OK")){
					alert.Show ();
				}
				return;
			} 
			string tags = String.IsNullOrEmpty(AppDelegate.ConferenceData.CelebTwitterTags)?"#Mix10 #monotouch":AppDelegate.ConferenceData.CelebTwitterTags;
			sb.Append (tags); // allow tags to be changed from server
			
			try {
				UIApplication.SharedApplication.NetworkActivityIndicatorVisible = true;
				using (var wc = new WebClient ()){
					
					wc.Credentials = new NetworkCredential ("mixcelebs", "Dingus");
					ServicePointManager.Expect100Continue = false;
					wc.UploadString ("http://twitter.com/statuses/update.xml", "status=" + sb.ToString ());
				}
			} catch {
				using (var alert = new UIAlertView ("Network error", "There was a problem connecting to the network", null, "OK")){
					alert.Show ();
				}
			}
			UIApplication.SharedApplication.NetworkActivityIndicatorVisible = false;
				
			var nav = ParentViewController as UINavigationController;
			
			nav.PopViewControllerAnimated (true);
		}
	}
}