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Assets/Photon/PhotonUnityNetworking/UtilityScripts/UI/TabViewManager.cs

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+// --------------------------------------------------------------------------------------------------------------------
+// <copyright file="TabViewManager.cs" company="Exit Games GmbH">
+//   Part of: PunCockpit
+// </copyright>
+// <summary>
+//  Simple Management for Tabs, it requires a ToggleGroup, and then for each Tab, a Unique Name, the related Toggle and its associated RectTransform View 
+// this manager handles Tab views activation and deactivation, and provides a Unity Event Callback when a tab was selected.
+// </summary>
+// <author>developer@exitgames.com</author>
+// --------------------------------------------------------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+using UnityEngine;
+using UnityEngine.UI;
+using UnityEngine.Events;
+
+namespace Photon.Pun.UtilityScripts
+{
+    /// <summary>
+    /// Tab view manager. Handles Tab views activation and deactivation, and provides a Unity Event Callback when a tab was selected.
+    /// </summary>
+    public class TabViewManager : MonoBehaviour
+    {
+
+        /// <summary>
+        /// Tab change event.
+        /// </summary>
+        [System.Serializable]
+        public class TabChangeEvent : UnityEvent<string> { }
+
+        [Serializable]
+        public class Tab
+        {
+            public string ID = "";
+            public Toggle Toggle;
+            public RectTransform View;
+        }
+
+        /// <summary>
+        /// The toggle group component target.
+        /// </summary>
+        public ToggleGroup ToggleGroup;
+
+        /// <summary>
+        /// all the tabs for this group
+        /// </summary>
+        public Tab[] Tabs;
+
+        /// <summary>
+        /// The on tab changed Event.
+        /// </summary>
+        public TabChangeEvent OnTabChanged;
+
+        protected Tab CurrentTab;
+
+        Dictionary<Toggle, Tab> Tab_lut;
+
+        void Start()
+        {
+
+            Tab_lut = new Dictionary<Toggle, Tab>();
+
+            foreach (Tab _tab in this.Tabs)
+            {
+
+                Tab_lut[_tab.Toggle] = _tab;
+
+                _tab.View.gameObject.SetActive(_tab.Toggle.isOn);
+
+                if (_tab.Toggle.isOn)
+                {
+                    CurrentTab = _tab;
+                }
+                _tab.Toggle.onValueChanged.AddListener((isSelected) =>
+                {
+                    if (!isSelected)
+                    {
+                        return;
+                    }
+                    OnTabSelected(_tab);
+                });
+            }
+
+
+        }
+
+        /// <summary>
+        /// Selects a given tab.
+        /// </summary>
+        /// <param name="id">Tab Id</param>
+        public void SelectTab(string id)
+        {
+            foreach (Tab _t in Tabs)
+            {
+                if (_t.ID == id)
+                {
+                    _t.Toggle.isOn = true;
+                    return;
+                }
+            }
+        }
+
+
+        /// <summary>
+        /// final method for a tab selection routine
+        /// </summary>
+        /// <param name="tab">Tab.</param>
+        void OnTabSelected(Tab tab)
+        {
+            CurrentTab.View.gameObject.SetActive(false);
+
+            CurrentTab = Tab_lut[ToggleGroup.ActiveToggles().FirstOrDefault()];
+
+            CurrentTab.View.gameObject.SetActive(true);
+
+            OnTabChanged.Invoke(CurrentTab.ID);
+
+        }
+    }
+}