Some more work on FSE..

1 files changed, 71 insertions, 0 deletions

diff --git a/Software/Visual_Studio/Tango.SharedUI/Animations/GridLengthAnimation.cs b/Software/Visual_Studio/Tango.SharedUI/Animations/GridLengthAnimation.cs
new file mode 100644
index 000000000..52dcacedf
--- /dev/null
+++ b/Software/Visual_Studio/Tango.SharedUI/Animations/GridLengthAnimation.cs
@@ -0,0 +1,71 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Windows.Media.Animation;
+using System.Windows;
+
+namespace Tango.SharedUI.Animations
+{
+    public class GridLengthAnimation : AnimationTimeline
+    {
+        public static readonly DependencyProperty FromProperty;
+        public static readonly DependencyProperty ToProperty;
+
+        static GridLengthAnimation()
+        {
+            FromProperty = DependencyProperty.Register("From", typeof(GridLength), typeof(GridLengthAnimation));
+            ToProperty = DependencyProperty.Register("To", typeof(GridLength), typeof(GridLengthAnimation));
+        }
+
+        protected override Freezable CreateInstanceCore()
+        {
+            return new GridLengthAnimation();
+        }
+
+        public override Type TargetPropertyType
+        {
+            get { return typeof(GridLength); }
+        }
+
+        public GridLength From
+        {
+            get
+            {
+                return (GridLength)GetValue(GridLengthAnimation.FromProperty);
+            }
+            set
+            {
+                SetValue(GridLengthAnimation.FromProperty, value);
+            }
+        }
+
+        public GridLength To
+        {
+            get
+            {
+                return (GridLength)GetValue(GridLengthAnimation.ToProperty);
+            }
+            set
+            {
+                SetValue(GridLengthAnimation.ToProperty, value);
+            }
+        }
+
+        public override object GetCurrentValue(object defaultOriginValue, object defaultDestinationValue, AnimationClock animationClock)
+        {
+
+            double fromValue = ((GridLength)GetValue(GridLengthAnimation.FromProperty)).Value;
+            double toValue = ((GridLength)GetValue(GridLengthAnimation.ToProperty)).Value;
+
+            if (fromValue > toValue)
+            {
+                return new GridLength((1 - animationClock.CurrentProgress.Value) * (fromValue - toValue) + toValue, this.To.IsStar ? GridUnitType.Star : GridUnitType.Pixel);
+            }
+            else
+            {
+                return new GridLength((animationClock.CurrentProgress.Value) * (toValue - fromValue) + fromValue, this.To.IsStar ? GridUnitType.Star : GridUnitType.Pixel);
+            }
+
+        }
+    }
+}