gistfile1.cs

using System;
using MonoTouch.Dialog;
using MonoTouch.UIKit;
using System.Collections.Generic;
using System.Linq;
using System.Drawing;

namespace TravelBudget
{
//BaseDialogViewController just inherits off DialogViewController
// Sets things like header colour, background gradient etc.
// just common stuff.

	public class SummaryDialogViewController : BaseDialogViewController
	{
		public SummaryDialogViewController () : base(null, false)
		{
			
			
		}
		
		public override void ViewDidAppear (bool animated)
		{
			base.ViewDidAppear (animated);
			LoadView ();
		}
		
		LineChart chart = null;
		
		public override void LoadView ()
		{
			base.LoadView ();

                        //base method - just sets up the gradient background
			SetTableViewBackground();
			
			//if (TotalBudget == null) return;
			DataSource.Instance.CalculateSummaryData();
			
			//go talk to my DAL to get some data from the DB.
			Summary sum = DataSource.Instance.SummaryInstance;
			Settings settings = DataSource.Instance.SettingsInstance;
			
                        //Make a new root - I tend to build it all, then assign it to Root
                        // I could just do Root.Add etc all the way, but I think this is cleaner.

			var root = new RootElement("Summary");

			// make a new section inside the root
			var section = new Section();

                        //I set the headerview and footerview, as this has a custom header/footer, see the image I attached.
                        //you dont need to do this  if you just want text - just assign .Header = "foo";
                        // but you CAN put ANY view in here!
			section.HeaderView = new UIImageView(Resources.HeaderTearoff);
			section.FooterView = new UIImageView(Resources.FooterTearoff);
			
                        // a BackgroundStringElement is my one - mostly transparent.
			var element = new BackgroundStringElement("Budget", FormatNativeCurrency(settings.TotalBudget));
			section.Add (element);
			
			element = new BackgroundStringElement("Spent", FormatNativeCurrency(sum.ActualTotalSpent));
			section.Add (element);
			
			if (settings.TotalBudget > sum.ActualTotalSpent) 
			{
				element = new BackgroundStringElement("Remaining", FormatNativeCurrency(settings.TotalBudget - sum.ActualTotalSpent));
			} else {
				element = new BackgroundStringElement("Overspent", FormatNativeCurrency(sum.ActualTotalSpent - settings.TotalBudget));
			}
			section.Add (element);
			
			element = new BackgroundStringElement("Projected Spend", FormatNativeCurrency(sum.ProjectedTotalSpent));
			section.Add (element);
			root.Add (section);
			
			section = new Section();
			section.HeaderView = new UIImageView(Resources.HeaderTearoff);
			section.FooterView = new UIImageView(Resources.FooterTearoff);
			
			element = new BackgroundStringElement("{0} days remaining".Fmt(sum.NumberOfDaysRemaining));
			section.Add (element);
			
			element = new BackgroundStringElement("You are spending {0} per day.".Fmt(FormatNativeCurrency(sum.ActualDailySpent)));
			section.Add (element);
			element = new BackgroundStringElement("Your budget is {0} per day.".Fmt(FormatNativeCurrency(sum.DailyBudget)));
			section.Add (element);
			
			root.Add (section);
			

                        //UIViewWithBackgroundElement is just a UIViewElement with a specific background set.
                        // Most likely going to be refactored out :)
			section = new Section();
			chart = BuildChart(sum, settings);
			section.HeaderView = new UIImageView(Resources.HeaderTearoff);
			section.FooterView = new UIImageView(Resources.FooterTearoff);
			section.Add (new UIViewWithBackgroundElement("chart", chart, false));
			
			root.Add (section);
			
			
			Root = root;
			
		}
		
		private LineChart BuildChart(Summary sum, Settings settings)
		{
			// SNIP - Building the chart dataset here.
			
			
			return chart;	
		}
		
		public string FormatNativeCurrency(float amount)
		{
			return string.Format("{0:0} {1}", amount, DataSource.Instance.SettingsInstance.HomeCurrency);
		}
	}
}