Add project files.

Assets/Scripts/HSVPicker/Editor/BoxSliderEditor.cs

@@ -0,0 +1,65 @@
+using System.Collections.Generic;
+using UnityEditor;
+using UnityEditor.UI;
+
+namespace HSVPicker.Editors
+{
+	[CustomEditor(typeof(BoxSlider), true)]
+	[CanEditMultipleObjects]
+	public class BoxSliderEditor : SelectableEditor
+	{
+
+		SerializedProperty m_HandleRect;
+		SerializedProperty m_MinValue;
+		SerializedProperty m_MaxValue;
+		SerializedProperty m_WholeNumbers;
+		SerializedProperty m_Value;
+		SerializedProperty m_ValueY;
+		SerializedProperty m_OnValueChanged;
+		
+		protected override void OnEnable()
+		{
+			base.OnEnable();
+			m_HandleRect = serializedObject.FindProperty("m_HandleRect");
+
+			m_MinValue = serializedObject.FindProperty("m_MinValue");
+			m_MaxValue = serializedObject.FindProperty("m_MaxValue");
+			m_WholeNumbers = serializedObject.FindProperty("m_WholeNumbers");
+			m_Value = serializedObject.FindProperty("m_Value");
+			m_ValueY = serializedObject.FindProperty("m_ValueY");
+			m_OnValueChanged = serializedObject.FindProperty("m_OnValueChanged");
+		}
+		
+		public override void OnInspectorGUI()
+		{
+			base.OnInspectorGUI();
+			EditorGUILayout.Space();
+			
+			serializedObject.Update();
+			
+			EditorGUILayout.PropertyField(m_HandleRect);
+			
+			if (m_HandleRect.objectReferenceValue != null)
+			{
+				EditorGUI.BeginChangeCheck();
+
+				
+				EditorGUILayout.PropertyField(m_MinValue);
+				EditorGUILayout.PropertyField(m_MaxValue);
+				EditorGUILayout.PropertyField(m_WholeNumbers);
+				EditorGUILayout.Slider(m_Value, m_MinValue.floatValue, m_MaxValue.floatValue);
+				EditorGUILayout.Slider(m_ValueY, m_MinValue.floatValue, m_MaxValue.floatValue);
+				
+				// Draw the event notification options
+				EditorGUILayout.Space();
+				EditorGUILayout.PropertyField(m_OnValueChanged);
+			}
+			else
+			{
+				EditorGUILayout.HelpBox("Specify a RectTransform for the slider fill or the slider handle or both. Each must have a parent RectTransform that it can slide within.", MessageType.Info);
+			}
+			
+			serializedObject.ApplyModifiedProperties();
+		}
+	}
+}

Assets/Scripts/HSVPicker/Editor/BoxSliderEditor.cs.meta

@@ -0,0 +1,12 @@
+fileFormatVersion: 2
+guid: 8701e045b26e51f4eb345f2ccb3c13f5
+timeCreated: 1426804458
+licenseType: Free
+MonoImporter:
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Scripts/HSVPicker/Editor/HSVPicker.Editors.asmdef

@@ -0,0 +1,17 @@
+{
+    "name": "HSVPicker.Editors",
+    "references": [
+        "HSVPicker"
+    ],
+    "includePlatforms": [
+        "Editor"
+    ],
+    "excludePlatforms": [],
+    "allowUnsafeCode": false,
+    "overrideReferences": false,
+    "precompiledReferences": [],
+    "autoReferenced": true,
+    "defineConstraints": [],
+    "versionDefines": [],
+    "noEngineReferences": false
+}

Assets/Scripts/HSVPicker/Editor/HSVPicker.Editors.asmdef.meta

@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: 485edc8694d264a8fb6d3a830531425d
+AssemblyDefinitionImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: