using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Windows;

using System.Windows.Controls;

using System.Windows.Data;

using System.Windows.Documents;

using System.Windows.Input;

using System.Windows.Media;

using System.Windows.Media.Imaging;

using System.Windows.Navigation;

using System.Windows.Shapes;

using System.Collections.ObjectModel;

using Microsoft.Research.DynamicDataDisplay;



namespace NewMarkersSample.Pages

{

	/// <summary>

	/// Interaction logic for StockMarkersPage.xaml

	/// </summary>

	public partial class StockMarkersPage : Page

	{

		public StockMarkersPage()

		{

			InitializeComponent();

		}



		private readonly ObservableCollection<StockInfo> stockData = new ObservableCollection<StockInfo>();

		private Random rnd = new Random();



		private void Page_Loaded(object sender, RoutedEventArgs e)

		{

			// making both plotters' viewport connected

			plotter.Viewport.SetBinding(Viewport2D.VisibleProperty, new Binding("Visible") { Source = plotter2.Viewport, Mode = BindingMode.TwoWay });



			DateTime now = DateTime.Now;

			dateAxis.SetConversion(1000, now, 1010, now.AddDays(10));

			dateAxis2.SetConversion(1000, now, 1010, now.AddDays(10));



			// setting visible region in terms of <DateTime, double> rectangle, not usual <double, double> one.

			var genericPlotter = plotter.GetGenericPlotter<DateTime, double>();

			genericPlotter.ViewportRect = new GenericRect<DateTime, double>(DateTime.Now.AddDays(-2), -2.5, DateTime.Now.AddDays(60), 2.5);



			// initialialize stock data

			const int count = 35;

			for (int i = 0; i < count; i++)

			{

				stockData.Add(CreateNewStockInfo());

			}



			// this will make charts to display data,

			// as they are inside window, and their DataContext properties will change as Window's DataContext changes.

			// This happens because DataContextProperty inherits its value from parent in LogicalTree.

			DataContext = stockData;

		}



		private int daysCounter = 0;

		private StockInfo CreateNewStockInfo()

		{

			double open;

			if (stockData.Count == 0)

			{

				open = rnd.NextDouble();

			}

			else

			{

				open = stockData[stockData.Count - 1].Close;

			}



			double close = rnd.NextDouble();



			double low = Math.Min(open, close) - rnd.NextDouble();

			double high = Math.Max(open, close) + rnd.NextDouble();



			DateTime time = DateTime.Now.Date.AddDays(daysCounter++);



			StockInfo info = new StockInfo { Open = open, Close = close, High = high, Low = low, Time = time };

			return info;

		}



		private void addStockInfo_Click(object sender, RoutedEventArgs e)

		{

			stockData.Add(CreateNewStockInfo());

		}

	}



	public sealed class StockInfo

	{

		public double Open { get; set; }

		public double Close { get; set; }

		public double High { get; set; }

		public double Low { get; set; }



		public DateTime Time { get; set; }

	}

}