Improvements to UI and ColorPickerPresets inspector.

- Picker 2.0.prefab UI now collapses preoperly when showing/hiding HSV/RGB slider sets.
- ColorPickerPresets now has an inspector with a button that can be clicked to open the saved JSON file.

Editor/ColorPickerPresetsEditor.cs

@@ -0,0 +1,28 @@
+using UnityEngine;
+using UnityEditor;
+
+namespace UnityEngine.UI.Extensions.ColorPicker
+{
+	[CustomEditor(typeof(ColorPickerPresets))]
+	public class ColorPickerPresetsEditor : Editor
+	{
+		public override void OnInspectorGUI()
+		{
+			base.OnInspectorGUI();
+
+			var colorPickerPresets = (ColorPickerPresets)target;
+			if (colorPickerPresets.saveMode != ColorPickerPresets.SaveType.JsonFile)
+				return;
+
+			string fileLocation = colorPickerPresets.JsonFilePath;
+
+			if (!System.IO.File.Exists(fileLocation))
+				return;
+
+			if (GUILayout.Button("Open JSON file."))
+			{
+				Application.OpenURL(fileLocation);
+			}
+		}
+	}
+}

Editor/ColorPickerPresetsEditor.cs.meta

@@ -0,0 +1,13 @@
+fileFormatVersion: 2
+guid: 0dc729b738fb01043ac4c04b78575a98
+timeCreated: 1520733906
+licenseType: Pro
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Examples/ColorPicker/Picker 2.0.prefab

@@ -374,6 +374,7 @@ GameObject:
   - component: {fileID: 114049142773139156}
   - component: {fileID: 114944968534304742}
   - component: {fileID: 114201033012213840}
+  - component: {fileID: 114691045547694264}
   m_Layer: 5
   m_Name: Sampler Cursor
   m_TagString: Untagged
@@ -1027,6 +1028,8 @@ GameObject:
   - component: {fileID: 114799971414450548}
   - component: {fileID: 114815558728215868}
   - component: {fileID: 114036039765377976}
+  - component: {fileID: 114901563279858126}
+  - component: {fileID: 114650760055890134}
   m_Layer: 5
   m_Name: Picker 2.0
   m_TagString: Untagged
@@ -1249,7 +1252,6 @@ GameObject:
   - component: {fileID: 222296062884740248}
   - component: {fileID: 114658104212027736}
   - component: {fileID: 114747320076705866}
-  - component: {fileID: 114876387791592476}
   - component: {fileID: 114243302911122948}
   m_Layer: 5
   m_Name: Presets
@@ -3383,6 +3385,19 @@ MonoBehaviour:
   m_FlexibleWidth: -1
   m_FlexibleHeight: -1
   m_LayoutPriority: 1
+--- !u!114 &114650760055890134
+MonoBehaviour:
+  m_ObjectHideFlags: 1
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 100100000}
+  m_GameObject: {fileID: 1690214001722854}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 1741964061, guid: f70555f144d8491a825f0804e09c671c, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  m_HorizontalFit: 2
+  m_VerticalFit: 2
 --- !u!114 &114653495342648380
 MonoBehaviour:
   m_ObjectHideFlags: 1
@@ -3547,6 +3562,25 @@ MonoBehaviour:
   m_FlexibleWidth: -1
   m_FlexibleHeight: -1
   m_LayoutPriority: 1
+--- !u!114 &114691045547694264
+MonoBehaviour:
+  m_ObjectHideFlags: 1
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 100100000}
+  m_GameObject: {fileID: 1253054250139268}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 1679637790, guid: f70555f144d8491a825f0804e09c671c, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  m_IgnoreLayout: 1
+  m_MinWidth: -1
+  m_MinHeight: -1
+  m_PreferredWidth: -1
+  m_PreferredHeight: -1
+  m_FlexibleWidth: -1
+  m_FlexibleHeight: -1
+  m_LayoutPriority: 1
 --- !u!114 &114700355984099128
 MonoBehaviour:
   m_ObjectHideFlags: 1
@@ -4319,19 +4353,6 @@ MonoBehaviour:
   m_FlexibleWidth: 1
   m_FlexibleHeight: -1
   m_LayoutPriority: 1
---- !u!114 &114876387791592476
-MonoBehaviour:
-  m_ObjectHideFlags: 1
-  m_PrefabParentObject: {fileID: 0}
-  m_PrefabInternal: {fileID: 100100000}
-  m_GameObject: {fileID: 1948116634810616}
-  m_Enabled: 1
-  m_EditorHideFlags: 0
-  m_Script: {fileID: 1741964061, guid: f5f67c52d1564df4a8936ccd202a3bd8, type: 3}
-  m_Name: 
-  m_EditorClassIdentifier: 
-  m_HorizontalFit: 0
-  m_VerticalFit: 2
 --- !u!114 &114876499293328720
 MonoBehaviour:
   m_ObjectHideFlags: 1
@@ -4370,6 +4391,28 @@ MonoBehaviour:
   m_FlexibleWidth: 1
   m_FlexibleHeight: -1
   m_LayoutPriority: 1
+--- !u!114 &114901563279858126
+MonoBehaviour:
+  m_ObjectHideFlags: 1
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 100100000}
+  m_GameObject: {fileID: 1690214001722854}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 1297475563, guid: f70555f144d8491a825f0804e09c671c, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  m_Padding:
+    m_Left: 0
+    m_Right: 0
+    m_Top: 0
+    m_Bottom: 0
+  m_ChildAlignment: 0
+  m_Spacing: 0
+  m_ChildForceExpandWidth: 1
+  m_ChildForceExpandHeight: 1
+  m_ChildControlWidth: 1
+  m_ChildControlHeight: 1
 --- !u!114 &114907783115635454
 MonoBehaviour:
   m_ObjectHideFlags: 1
@@ -4921,10 +4964,10 @@ RectTransform:
   m_Father: {fileID: 224077522108235048}
   m_RootOrder: 0
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
-  m_AnchorMin: {x: 0, y: 1}
+  m_AnchorMin: {x: 0, y: 0}
-  m_AnchorMax: {x: 1, y: 1}
+  m_AnchorMax: {x: 0, y: 0}
   m_AnchoredPosition: {x: 0, y: 0}
-  m_SizeDelta: {x: 0, y: 50}
+  m_SizeDelta: {x: 0, y: 0}
   m_Pivot: {x: 0.5, y: 1}
 --- !u!224 &224065357170845628
 RectTransform:
@@ -5005,7 +5048,7 @@ RectTransform:
   m_AnchorMin: {x: 0, y: 1}
   m_AnchorMax: {x: 0, y: 1}
   m_AnchoredPosition: {x: 24, y: -8}
-  m_SizeDelta: {x: 216, y: 377}
+  m_SizeDelta: {x: 0, y: 0}
   m_Pivot: {x: 0, y: 1}
 --- !u!224 &224081059910409654
 RectTransform:
@@ -5165,9 +5208,9 @@ RectTransform:
   m_RootOrder: 2
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
   m_AnchorMin: {x: 0, y: 0}
-  m_AnchorMax: {x: 1, y: 0}
+  m_AnchorMax: {x: 0, y: 0}
-  m_AnchoredPosition: {x: 0, y: 170}
+  m_AnchoredPosition: {x: 108, y: 0}
-  m_SizeDelta: {x: 0, y: 0}
+  m_SizeDelta: {x: 216, y: 0}
   m_Pivot: {x: 0.5, y: 1}
 --- !u!224 &224200636104118804
 RectTransform:
@@ -5294,9 +5337,9 @@ RectTransform:
   m_Father: {fileID: 224077522108235048}
   m_RootOrder: 4
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
-  m_AnchorMin: {x: 0.5, y: 0.5}
+  m_AnchorMin: {x: 0, y: 1}
-  m_AnchorMax: {x: 0.5, y: 0.5}
+  m_AnchorMax: {x: 0, y: 1}
-  m_AnchoredPosition: {x: 0, y: 0}
+  m_AnchoredPosition: {x: 108, y: -403}
   m_SizeDelta: {x: 40, y: 40}
   m_Pivot: {x: 0.5, y: 0.5}
 --- !u!224 &224332528811507018
@@ -5729,9 +5772,9 @@ RectTransform:
   m_RootOrder: 3
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
   m_AnchorMin: {x: 0, y: 0}
-  m_AnchorMax: {x: 1, y: 0}
+  m_AnchorMax: {x: 0, y: 0}
-  m_AnchoredPosition: {x: 3, y: 23}
+  m_AnchoredPosition: {x: 0, y: 0}
-  m_SizeDelta: {x: -6, y: 0}
+  m_SizeDelta: {x: 0, y: 0}
   m_Pivot: {x: 0, y: 1}
 --- !u!224 &224614331221918950
 RectTransform:
@@ -6177,10 +6220,10 @@ RectTransform:
   m_Father: {fileID: 224077522108235048}
   m_RootOrder: 1
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
-  m_AnchorMin: {x: 0, y: 1}
+  m_AnchorMin: {x: 0, y: 0}
-  m_AnchorMax: {x: 0, y: 1}
+  m_AnchorMax: {x: 0, y: 0}
-  m_AnchoredPosition: {x: 0, y: -50}
+  m_AnchoredPosition: {x: 0, y: 0}
-  m_SizeDelta: {x: 216, y: 157}
+  m_SizeDelta: {x: 0, y: 0}
   m_Pivot: {x: 0, y: 1}
 --- !u!224 &224927269330184902
 RectTransform:

Scripts/Controls/ColorPicker/ColorPickerPresets.cs

@@ -23,12 +23,12 @@ namespace UnityEngine.UI.Extensions.ColorPicker
 
 		public enum SaveType { None, PlayerPrefs, JsonFile }
 		[SerializeField]
-		protected SaveType saveMode = SaveType.None;
+		public SaveType saveMode = SaveType.None;
 
 		[SerializeField]
 		protected string playerPrefsKey;
 
-		protected virtual string JsonFilePath
+		public virtual string JsonFilePath
 		{
 			get { return Application.persistentDataPath + "/" + playerPrefsKey + ".json"; }
 		}