Final commit

Assets/Standard Assets/CrossPlatformInput/Scripts/MobileControlRig.cs

@@ -0,0 +1,102 @@
+using System;
+#if UNITY_EDITOR
+using UnityEditor;
+#endif
+using UnityEngine;
+
+
+namespace UnityStandardAssets.CrossPlatformInput
+{
+    [ExecuteInEditMode]
+    public class MobileControlRig : MonoBehaviour
+#if UNITY_EDITOR
+        , UnityEditor.Build.IActiveBuildTargetChanged
+#endif
+    {
+        // this script enables or disables the child objects of a control rig
+        // depending on whether the USE_MOBILE_INPUT define is declared.
+
+        // This define is set or unset by a menu item that is included with
+        // the Cross Platform Input package.
+
+
+#if !UNITY_EDITOR
+	void OnEnable()
+	{
+		CheckEnableControlRig();
+	}
+#else
+        public int callbackOrder
+        {
+            get
+            {
+                return 1;
+            }
+        }
+#endif
+
+        private void Start()
+        {
+#if UNITY_EDITOR
+            if (Application.isPlaying) //if in the editor, need to check if we are playing, as start is also called just after exiting play
+#endif
+            {
+                UnityEngine.EventSystems.EventSystem system = GameObject.FindObjectOfType<UnityEngine.EventSystems.EventSystem>();
+
+                if (system == null)
+                {//the scene have no event system, spawn one
+                    GameObject o = new GameObject("EventSystem");
+
+                    o.AddComponent<UnityEngine.EventSystems.EventSystem>();
+                    o.AddComponent<UnityEngine.EventSystems.StandaloneInputModule>();
+                }
+            }
+        }
+
+#if UNITY_EDITOR
+
+        private void OnEnable()
+        {
+            EditorApplication.update += Update;
+        }
+
+
+        private void OnDisable()
+        {
+            EditorApplication.update -= Update;
+        }
+
+
+        private void Update()
+        {
+            CheckEnableControlRig();
+        }
+#endif
+
+
+        private void CheckEnableControlRig()
+        {
+#if MOBILE_INPUT
+		EnableControlRig(true);
+#else
+            EnableControlRig(false);
+#endif
+        }
+
+
+        private void EnableControlRig(bool enabled)
+        {
+            foreach (Transform t in transform)
+            {
+                t.gameObject.SetActive(enabled);
+            }
+        }
+
+#if UNITY_EDITOR
+        public void OnActiveBuildTargetChanged(BuildTarget previousTarget, BuildTarget newTarget)
+        {
+            CheckEnableControlRig();
+        }
+#endif
+    }
+}