Initial Commit

Charts/Navigation/MouseNavigationBase.cs

@@ -0,0 +1,63 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Windows.Input;
+using System.Windows;
+
+namespace Microsoft.Research.DynamicDataDisplay.Navigation
+{
+	// todo проверить, как происходит работа когда мышь не над плоттером, а над его ребенком
+	// todo если все ОК, то перевести все маус навигейшн контролы на этот класс как базовый
+	public abstract class MouseNavigationBase : NavigationBase
+	{
+		protected override void OnPlotterAttached(Plotter plotter)
+		{
+			base.OnPlotterAttached(plotter);
+
+			Mouse.AddMouseDownHandler(Parent, OnMouseDown);
+			Mouse.AddMouseMoveHandler(Parent, OnMouseMove);
+			Mouse.AddMouseUpHandler(Parent, OnMouseUp);
+			Mouse.AddMouseWheelHandler(Parent, OnMouseWheel);
+		}
+
+		protected override void OnPlotterDetaching(Plotter plotter)
+		{
+			Mouse.RemoveMouseDownHandler(Parent, OnMouseDown);
+			Mouse.RemoveMouseMoveHandler(Parent, OnMouseMove);
+			Mouse.RemoveMouseUpHandler(Parent, OnMouseUp);
+			Mouse.RemoveMouseWheelHandler(Parent, OnMouseWheel);
+
+			base.OnPlotterDetaching(plotter);
+		}
+
+		private void OnMouseWheel(object sender, MouseWheelEventArgs e)
+		{
+			OnPlotterMouseWheel(e);
+		}
+
+		protected virtual void OnPlotterMouseWheel(MouseWheelEventArgs e) { }
+
+		private void OnMouseUp(object sender, MouseButtonEventArgs e)
+		{
+			OnPlotterMouseUp(e);
+		}
+
+		protected virtual void OnPlotterMouseUp(MouseButtonEventArgs e) { }
+
+		private void OnMouseDown(object sender, MouseButtonEventArgs e)
+		{
+			OnPlotterMouseDown(e);
+		}
+
+		protected virtual void OnPlotterMouseDown(MouseButtonEventArgs e) { }
+
+		private void OnMouseMove(object sender, MouseEventArgs e)
+		{
+			OnPlotterMouseMove(e);
+		}
+
+		protected virtual void OnPlotterMouseMove(MouseEventArgs e) { }
+
+	}
+}