1 files changed, 107 insertions, 0 deletions
diff --git a/grapher/Models/Options/ActiveValueLabel.cs b/grapher/Models/Options/ActiveValueLabel.cs
new file mode 100644
index 0000000..138775a
--- /dev/null
+++ b/grapher/Models/Options/ActiveValueLabel.cs
@@ -0,0 +1,107 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+
+namespace grapher.Models.Options
+{
+    public class ActiveValueLabel
+    {
+        public const string DefaultFormatString = "0.######";
+        public static readonly Color ActiveValueFontColor = Color.FromArgb(255, 65, 65, 65);
+
+        private string _prefix;
+        private string _value;
+
+        public ActiveValueLabel(Label valueLabel, Label centeringLabel)
+        {
+            ValueLabel = valueLabel;
+            ValueLabel.ForeColor = ActiveValueFontColor;
+            Left = centeringLabel.Left;
+            Width = centeringLabel.Width;
+            ValueLabel.AutoSize = false;
+            ValueLabel.TextAlign = ContentAlignment.MiddleCenter;
+
+            FormatString = DefaultFormatString;
+            Prefix = string.Empty;
+        }
+
+        public Label ValueLabel { get; }
+
+        public string FormatString { get; set; }
+
+        public string Prefix 
+        { 
+            get { return _prefix; }
+            set 
+            {
+                _prefix = value;
+                RefreshText();
+            } 
+        }
+
+        private string Value
+        { 
+            get { return _value; }
+            set 
+            {
+                _value = value;
+                RefreshText();
+            } 
+        }
+
+        public int Left
+        {
+            get 
+            {
+                return ValueLabel.Left;
+            }
+
+            set
+            {
+                ValueLabel.Left = value;
+            }
+        }
+
+        public int Width
+        {
+            get 
+            {
+                return ValueLabel.Width;
+            }
+
+            set
+            {
+                ValueLabel.Width = value;
+            }
+        }
+
+        public void Hide()
+        {
+            ValueLabel.Hide();
+        }
+
+        public void Show()
+        {
+            ValueLabel.Show();
+        }
+
+        public void SetValue(double value)
+        {
+            SetValue(value.ToString(FormatString));
+        }
+
+        public void SetValue(string value)
+        {
+            Value = value;
+        }
+
+        public void RefreshText()
+        {
+            ValueLabel.Text = string.IsNullOrWhiteSpace(Prefix) ? Value: $"{Prefix}: {Value}";
+        }
+    }
+}