1 files changed, 109 insertions, 0 deletions
diff --git a/grapher/Models/Options/CheckBoxOption.cs b/grapher/Models/Options/CheckBoxOption.cs
new file mode 100644
index 0000000..abf96d3
--- /dev/null
+++ b/grapher/Models/Options/CheckBoxOption.cs
@@ -0,0 +1,109 @@
+using System.Windows.Forms;
+
+namespace grapher.Models.Options
+{
+    public class CheckBoxOption : OptionBase
+    {
+        public CheckBoxOption(
+            CheckBox checkBox,
+            ActiveValueLabel activeValueLabel)
+        {
+            CheckBox = checkBox;
+            ActiveValueLabel = activeValueLabel;
+            Show(string.Empty);
+        }
+
+        public CheckBox CheckBox { get; }
+
+        public ActiveValueLabel ActiveValueLabel { get; }
+
+        public override bool Visible
+        {
+            get
+            {
+                return CheckBox.Visible || ShouldShow;
+            }
+        }
+
+        public override int Left
+        {
+            get
+            {
+                return CheckBox.Left;
+            }
+            set
+            {
+                CheckBox.Left = value;
+            }
+        }
+
+        public override int Height
+        {
+            get
+            {
+                return CheckBox.Height;
+            }
+        }
+
+        public override int Top
+        {
+            get
+            {
+                return CheckBox.Top;
+            }
+            set
+            {
+                CheckBox.Top = value;
+                ActiveValueLabel.Top = value;
+            }
+        }
+
+        public override int Width
+        {
+            get
+            {
+                return CheckBox.Width;
+            }
+            set
+            {
+                CheckBox.Width = value;
+            }
+        }
+
+        /// <summary>
+        /// For some reason, setting CheckBox.Show() does not result in visible not being true on GUI startup.
+        /// This is inconsistent with the other options, which do.
+        /// Keep this bool for allowing Visible to still be the signal for option snapping.
+        /// </summary>
+        private bool ShouldShow { get; set; }
+
+        public override void AlignActiveValues()
+        {
+            ActiveValueLabel.Align();
+        }
+
+        public override void Hide()
+        {
+            CheckBox.Hide();
+            ShouldShow = false;
+            CheckBox.Enabled = false;
+            ActiveValueLabel.Hide();
+        }
+
+        public override void Show(string Name)
+        {
+            CheckBox.Show();
+            ShouldShow = true;
+            CheckBox.Enabled = true;
+            CheckBox.Name = Name;
+            ActiveValueLabel.Show();
+        }
+
+        public void SetActiveValue(bool legacy)
+        {
+            CheckBox.Checked = !legacy;
+            var activeValueString = legacy ? "Legacy" : "Gain";
+            ActiveValueLabel.SetValue(activeValueString);
+        }
+    }
+}