Display active values

1 files changed, 64 insertions, 0 deletions

diff --git a/grapher/Models/Options/ActiveValueLabelXY.cs b/grapher/Models/Options/ActiveValueLabelXY.cs
new file mode 100644
index 0000000..b3b580f
--- /dev/null
+++ b/grapher/Models/Options/ActiveValueLabelXY.cs
@@ -0,0 +1,64 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace grapher.Models.Options
+{
+    public class ActiveValueLabelXY
+    {
+        public const int ActiveLabelXYSeparation = 4;
+
+        public ActiveValueLabelXY(
+            ActiveValueLabel x,
+            ActiveValueLabel y)
+        {
+            X = x;
+            Y = y;
+            Combined = false;
+            SetCombined();
+        }
+
+        public ActiveValueLabel X { get; }
+
+        public ActiveValueLabel Y { get; }
+
+        public bool Combined { get; private set; }
+
+        public void SetValues(double x, double y)
+        {
+            X.SetValue(x);
+            Y.SetValue(y);
+
+            if (x == y)
+            {
+                SetCombined();
+            }
+            else
+            {
+                SetSeparate();
+            }
+        }
+
+        public void SetCombined()
+        {
+            if (!Combined)
+            {
+                Y.Hide();
+            }
+
+            Combined = true;
+        }
+
+        public void SetSeparate()
+        {
+            if (Combined)
+            {
+                Y.Show();
+            }
+
+            Combined = false;
+        }
+    }
+}