1 files changed, 73 insertions, 0 deletions
diff --git a/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/UIControls/ToggleGroup.cs b/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/UIControls/ToggleGroup.cs
new file mode 100644
index 0000000..da5e021
--- /dev/null
+++ b/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/UIControls/ToggleGroup.cs
@@ -0,0 +1,73 @@
+using System;
+using System.Linq;
+using System.Collections.Generic;
+using UnityEngine.EventSystems;
+
+namespace UnityEngine.UI
+{
+    [AddComponentMenu("UI/Toggle Group", 32)]
+    [DisallowMultipleComponent]
+    public class ToggleGroup : UIBehaviour
+    {
+        [SerializeField] private bool m_AllowSwitchOff = false;
+        public bool allowSwitchOff { get { return m_AllowSwitchOff; } set { m_AllowSwitchOff = value; } }
+
+        private List<Toggle> m_Toggles = new List<Toggle>();
+
+        protected ToggleGroup()
+        {}
+
+        private void ValidateToggleIsInGroup(Toggle toggle)
+        {
+            if (toggle == null || !m_Toggles.Contains(toggle))
+                throw new ArgumentException(string.Format("Toggle {0} is not part of ToggleGroup {1}", new object[] {toggle, this}));
+        }
+
+        public void NotifyToggleOn(Toggle toggle)
+        {
+            ValidateToggleIsInGroup(toggle);
+
+            // disable all toggles in the group
+            for (var i = 0; i < m_Toggles.Count; i++)
+            {
+                if (m_Toggles[i] == toggle)
+                    continue;
+
+                m_Toggles[i].isOn = false;
+            }
+        }
+
+        public void UnregisterToggle(Toggle toggle)
+        {
+            if (m_Toggles.Contains(toggle))
+                m_Toggles.Remove(toggle);
+        }
+
+        public void RegisterToggle(Toggle toggle)
+        {
+            if (!m_Toggles.Contains(toggle))
+                m_Toggles.Add(toggle);
+        }
+
+        public bool AnyTogglesOn()
+        {
+            return m_Toggles.Find(x => x.isOn) != null;
+        }
+
+        public IEnumerable<Toggle> ActiveToggles()
+        {
+            return m_Toggles.Where(x => x.isOn);
+        }
+
+        public void SetAllTogglesOff()
+        {
+            bool oldAllowSwitchOff = m_AllowSwitchOff;
+            m_AllowSwitchOff = true;
+
+            for (var i = 0; i < m_Toggles.Count; i++)
+                m_Toggles[i].isOn = false;
+
+            m_AllowSwitchOff = oldAllowSwitchOff;
+        }
+    }
+}