/Main/src/DynamicDataDisplay/Charts/Navigation/VerticalScrollBar.cs

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Windows;

using System.Windows.Controls;

using Microsoft.Research.DynamicDataDisplay.Common;



namespace Microsoft.Research.DynamicDataDisplay.Charts.Navigation

{

	[Obsolete("Working wrongly.", true)]

	public sealed class VerticalScrollBar : PlotterScrollBar

	{

		/// <summary>

		/// Initializes a new instance of the <see cref="VerticalScrollBar"/> class.

		/// </summary>

		public VerticalScrollBar()

		{

			ScrollBar.Orientation = Orientation.Vertical;

		}



		private Range<double> GetRange(Rect domain)

		{

			return new Range<double>(domain.Top, domain.Bottom);

		}



		protected override DataRect CreateVisibleRect(DataRect rect, double scrollValue)

		{

			rect.YMin = scrollValue;

			return rect;

		}



		protected override Panel GetHostPanel(Plotter plotter)

		{

			return plotter.LeftPanel;

		}



		protected override void UpdateScrollBar(Viewport2D viewport)

		{

			if (viewport != null && !viewport.Domain.IsEmpty)

			{

				if (ScrollBar.Track != null)

				{

					//ScrollBar.Track.IsDirectionReversed = true;

				}



				visibleRange = new Range<double>(viewport.Visible.YMin, viewport.Visible.YMax);

				domainRange = new Range<double>(viewport.Domain.YMin, viewport.Domain.YMax);



				double size = visibleRange.Max - visibleRange.Min;

				ScrollBar.ViewportSize = size;



				ScrollBar.Minimum = domainRange.Min + size;

				ScrollBar.Maximum = domainRange.Max;



				ScrollBar.Value = visibleRange.Min;

				ScrollBar.Visibility = Visibility.Visible;

			}

			else

			{

				ScrollBar.Visibility = Visibility.Collapsed;

			}

		}



		private Range<double> visibleRange;

		private Range<double> domainRange;

	}

}