Initial Commit

Charts/PopupTip.cs

@@ -0,0 +1,53 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Windows.Controls.Primitives;
+using System.Threading;
+
+namespace Microsoft.Research.DynamicDataDisplay
+{
+	public class PopupTip : Popup
+	{
+		private TimeSpan showDurationInerval = new TimeSpan(0, 0, 10);
+		private Timer timer;
+
+		public void ShowDelayed(TimeSpan delay)
+		{
+			if (timer != null)
+				timer.Change((int)delay.TotalMilliseconds, System.Threading.Timeout.Infinite);
+			else
+				timer = new Timer(OnTimerFinished, null, (int)delay.TotalMilliseconds, System.Threading.Timeout.Infinite);
+		}
+
+		public void HideDelayed(TimeSpan delay)
+		{
+			if (timer != null)
+			{
+				timer.Change((int)delay.TotalMilliseconds, System.Threading.Timeout.Infinite);
+			}
+			else
+				timer = new Timer(OnTimerFinished, null, (int)delay.TotalMilliseconds, System.Threading.Timeout.Infinite);
+		}
+
+		public void Hide()
+		{
+			if (timer != null)
+			{
+				timer.Change(System.Threading.Timeout.Infinite, System.Threading.Timeout.Infinite);
+			}
+			this.IsOpen = false;
+		}
+
+		private void OnTimerFinished(object state)
+		{
+			this.Dispatcher.BeginInvoke(new Action(() =>
+				{
+					bool show = !this.IsOpen;
+					this.IsOpen = show;
+					if (show)
+						HideDelayed(showDurationInerval);
+				}));
+		}
+	}
+}