/Main/src/Xbap/DynamicDataDisplay.Xbap.Samples/Demos/v04/Markers/StockMarkersPage.xaml.cs

 1using System;
 2using System.Collections.Generic;
 3using System.Linq;
 4using System.Text;
 5using System.Windows;
 6using System.Windows.Controls;
 7using System.Windows.Data;
 8using System.Windows.Documents;
 9using System.Windows.Input;
10using System.Windows.Media;
11using System.Windows.Media.Imaging;
12using System.Windows.Navigation;
13using System.Windows.Shapes;
14using System.Collections.ObjectModel;
15using Microsoft.Research.DynamicDataDisplay;
16
17namespace NewMarkersSample.Pages
18{
19	/// <summary>
20	/// Interaction logic for StockMarkersPage.xaml
21	/// </summary>
22	public partial class StockMarkersPage : Page
23	{
24		public StockMarkersPage()
25		{
26			InitializeComponent();
27		}
28
29		private readonly ObservableCollection<StockInfo> stockData = new ObservableCollection<StockInfo>();
30		private Random rnd = new Random();
31
32		private void Page_Loaded(object sender, RoutedEventArgs e)
33		{
34			// making both plotters' viewport connected
35			plotter.Viewport.SetBinding(Viewport2D.VisibleProperty, new Binding("Visible") { Source = plotter2.Viewport, Mode = BindingMode.TwoWay });
36
37			DateTime now = DateTime.Now;
38			dateAxis.SetConversion(1000, now, 1010, now.AddDays(10));
39			dateAxis2.SetConversion(1000, now, 1010, now.AddDays(10));
40
41			// setting visible region in terms of <DateTime, double> rectangle, not usual <double, double> one.
42			var genericPlotter = plotter.GetGenericPlotter<DateTime, double>();
43			genericPlotter.ViewportRect = new GenericRect<DateTime, double>(DateTime.Now.AddDays(-2), -2.5, DateTime.Now.AddDays(60), 2.5);
44
45			// initialialize stock data
46			const int count = 35;
47			for (int i = 0; i < count; i++)
48			{
49				stockData.Add(CreateNewStockInfo());
50			}
51
52			// this will make charts to display data,
53			// as they are inside window, and their DataContext properties will change as Window's DataContext changes.
54			// This happens because DataContextProperty inherits its value from parent in LogicalTree.
55			DataContext = stockData;
56		}
57
58		private int daysCounter = 0;
59		private StockInfo CreateNewStockInfo()
60		{
61			double open;
62			if (stockData.Count == 0)
63			{
64				open = rnd.NextDouble();
65			}
66			else
67			{
68				open = stockData[stockData.Count - 1].Close;
69			}
70
71			double close = rnd.NextDouble();
72
73			double low = Math.Min(open, close) - rnd.NextDouble();
74			double high = Math.Max(open, close) + rnd.NextDouble();
75
76			DateTime time = DateTime.Now.Date.AddDays(daysCounter++);
77
78			StockInfo info = new StockInfo { Open = open, Close = close, High = high, Low = low, Time = time };
79			return info;
80		}
81
82		private void addStockInfo_Click(object sender, RoutedEventArgs e)
83		{
84			stockData.Add(CreateNewStockInfo());
85		}
86	}
87
88	public sealed class StockInfo
89	{
90		public double Open { get; set; }
91		public double Close { get; set; }
92		public double High { get; set; }
93		public double Low { get; set; }
94
95		public DateTime Time { get; set; }
96	}
97}