Control color value input fields

SCANsat.Unity/HSVPicker/UI/ColorInput.cs

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+using UnityEngine;
+using UnityEngine.UI;
+using System;
+using SCANsat.Unity.HSVPicker.Enum;
+
+namespace SCANsat.Unity.HSVPicker.UI
+{
+	/// <summary>
+	/// Displays one of the color values of aColorPicker
+	/// </summary>
+	[RequireComponent(typeof(InputField))]
+	public class ColorInput : MonoBehaviour
+	{
+		public ColorPicker hsvpicker;
+
+		/// <summary>
+		/// Which value this slider can edit.
+		/// </summary>
+		public ColorValues type;
+
+		private InputField inputField;
+
+		private void Awake()
+		{
+			inputField = GetComponent<InputField>();
+
+			inputField.onValueChanged.AddListener(InputChanged);
+		}
+
+		private void OnDestroy()
+		{
+			inputField.onValueChanged.RemoveListener(InputChanged);
+		}
+
+		private void InputChanged(string input)
+		{
+			if (string.IsNullOrEmpty(input))
+				return;
+
+			float original = 0;
+
+			switch(type)
+			{
+				case ColorValues.R:
+					original = hsvpicker.R;
+					break;
+				case ColorValues.G:
+					original = hsvpicker.G;
+					break;
+				case ColorValues.B:
+					original = hsvpicker.B;
+					break;
+			}
+
+			float f = original;
+
+			if (!float.TryParse(input, out f))
+				return;
+
+			if (f < 0)
+				return;
+			else if (input.StartsWith("1."))
+				f = 1;
+			else if (f >= 1 && f <= 255)
+			{
+				f = Mathf.RoundToInt(f);
+
+				f /= 255;
+			}
+			else if (f > 255)
+				return;
+
+			hsvpicker.AssignColor(type, f);
+		}
+	}
+}