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 Microsoft.Research.DynamicDataDisplay.DataSources;

using System.Windows.Threading;

using Microsoft.Research.DynamicDataDisplay;

using System.Globalization;



namespace Animation

{

    /// <summary>Sample that show rendering of data changing in time</summary>

    public partial class AnimatedSampleWindow : Window

    {

        double phase = 0;

        readonly double[] animatedX = new double[1000];

        readonly double[] animatedY = new double[1000];

        EnumerableDataSource<double> animatedDataSource = null;



        /// <summary>Programmatically created header</summary>

        Header chartHeader = new Header();



        /// <summary>Text contents of header</summary>

        TextBlock headerContents = new TextBlock();



        /// <summary>Timer to animate data</summary>

        readonly DispatcherTimer timer = new DispatcherTimer();  



        public AnimatedSampleWindow()

        {

            InitializeComponent();

            headerContents.FontSize = 24;

            headerContents.Text = "Phase = 0.00";

            headerContents.HorizontalAlignment = HorizontalAlignment.Center;

            chartHeader.Content = headerContents;

            plotter.Children.Add(chartHeader);

        }



        private void AnimatedPlot_Timer(object sender, EventArgs e)

        {

            phase += 0.01;

            if (phase > 2 * Math.PI)

                phase -= 2 * Math.PI;

            for (int i = 0; i < animatedX.Length; i++)

                animatedY[i] = Math.Sin(animatedX[i] + phase);



            // Here it is - signal that data is updated

            animatedDataSource.RaiseDataChanged();

            headerContents.Text = String.Format(CultureInfo.InvariantCulture, "Phase = {0:N2}", phase);

        }



        private void Window_Loaded(object sender, RoutedEventArgs e)

        {

            for (int i = 0; i < animatedX.Length; i++)

            {

                animatedX[i] = 2 * Math.PI * i / animatedX.Length;

                animatedY[i] = Math.Sin(animatedX[i]);

            }

            EnumerableDataSource<double> xSrc = new EnumerableDataSource<double>(animatedX);

            xSrc.SetXMapping(x => x);

            animatedDataSource = new EnumerableDataSource<double>(animatedY);

            animatedDataSource.SetYMapping(y => y);



            // Adding graph to plotter

            var line = plotter.AddLineGraph(new CompositeDataSource(xSrc, animatedDataSource),

                new Pen(Brushes.Magenta, 3),                

                new PenDescription("Sin(x + phase)"));



			timer.Interval = TimeSpan.FromMilliseconds(10);

            timer.Tick += AnimatedPlot_Timer;

            timer.Start();

        }

    }

}