From 9ac4eb696932015c9eea04cf25fb895c7050e8a7 Mon Sep 17 00:00:00 2001
From: "LARS-LAPTOP2\\larsme" <larsme@web.de>
Date: Mon, 27 Mar 2017 12:52:51 +0200
Subject: [PATCH] option to set interactible to false if there are no items to
 be selected (DropDownList and  AutoCompleteComboBox)

---
 .../Controls/ComboBox/AutoCompleteComboBox.cs | 29 ++++++++++++++++++-
 Scripts/Controls/ComboBox/DropDownList.cs     | 29 ++++++++++++++++++-
 2 files changed, 56 insertions(+), 2 deletions(-)

diff --git a/Scripts/Controls/ComboBox/AutoCompleteComboBox.cs b/Scripts/Controls/ComboBox/AutoCompleteComboBox.cs
index fefe5ea..f637406 100644
--- a/Scripts/Controls/ComboBox/AutoCompleteComboBox.cs
+++ b/Scripts/Controls/ComboBox/AutoCompleteComboBox.cs
@@ -78,7 +78,7 @@ namespace UnityEngine.UI.Extensions
 		public bool interactible 
 		{
 			get { return _mainInput.interactable || _arrow_Button.interactable;	}
-			set {
+			private set {
 				_mainInput.interactable = value;
 				_arrow_Button.interactable = value;
 				if (!value && _isPanelActive) {
@@ -87,6 +87,32 @@ namespace UnityEngine.UI.Extensions
 			}
 		}
 
+		[SerializeField]
+		//I couldn't come up with a better name
+		private bool _technicallyInteractible = true;
+		public bool TechnicallyInteractible
+		{ 
+			get { return _technicallyInteractible; }
+			set 
+			{
+				_technicallyInteractible = value;
+				interactible = _technicallyInteractible && (AvailableOptions.Count > 0 || _remainInteractableIfEmpty);
+			}
+		}
+
+		[SerializeField]
+		private bool _remainInteractableIfEmpty = true;
+		public bool RemainInteractableIfEmpty
+		{ 
+			get { return _remainInteractableIfEmpty; }
+			set 
+			{
+				_remainInteractableIfEmpty = value;
+				interactible = _technicallyInteractible && (AvailableOptions.Count > 0 || _remainInteractableIfEmpty);
+			}
+		}
+
+
         public void Awake()
         {
             Initialize();
@@ -215,6 +241,7 @@ namespace UnityEngine.UI.Extensions
                     panelObjects[_panelItems[i]] = itemObjs[i];
                 }
             }
+			interactible = _technicallyInteractible && (AvailableOptions.Count > 0 || _remainInteractableIfEmpty);
         }
 
         /// <summary>
diff --git a/Scripts/Controls/ComboBox/DropDownList.cs b/Scripts/Controls/ComboBox/DropDownList.cs
index 6c0f184..b4bfd33 100644
--- a/Scripts/Controls/ComboBox/DropDownList.cs
+++ b/Scripts/Controls/ComboBox/DropDownList.cs
@@ -74,7 +74,7 @@ namespace UnityEngine.UI.Extensions
 		public bool interactible 
 		{
 			get { return _mainButton.btn.interactable;	}
-			set {
+			private set {
 				_mainButton.btn.interactable = value;
 				if (!value && _isPanelActive) {
 					ToggleDropdownPanel (false);
@@ -82,6 +82,32 @@ namespace UnityEngine.UI.Extensions
 			}
 		}
 
+		[SerializeField]
+		//I couldn't come up with a better name
+		private bool _technicallyInteractible = true;
+		public bool TechnicallyInteractible
+		{ 
+			get { return _technicallyInteractible; }
+			set 
+			{
+				_technicallyInteractible = value;
+				interactible = _technicallyInteractible && (Items.Count > 0 || _remainInteractableIfEmpty);
+			}
+		}
+
+		[SerializeField]
+		private bool _remainInteractableIfEmpty = true;
+		public bool RemainInteractableIfEmpty
+		{ 
+			get { return _remainInteractableIfEmpty; }
+			set 
+			{
+				_remainInteractableIfEmpty = value;
+				interactible = _technicallyInteractible && (Items.Count > 0 || _remainInteractableIfEmpty);
+			}
+		}
+
+
 		public void Start()
 		{
 			Initialize();
@@ -202,6 +228,7 @@ namespace UnityEngine.UI.Extensions
 				}
 				_panelItems[i].gameobject.SetActive(i < Items.Count);// if we have more thanks in the panel than Items in the list hide them
 			}
+			interactible = _technicallyInteractible && (Items.Count > 0 || _remainInteractableIfEmpty);
 		}
 
 		private void OnItemClicked(int indx)