Added a method to unregister from the input manager.

Untested and incomplete because some things can't
be undone.  Better than nothing.


git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@9160 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

engine/src/core/com/jme3/input/FlyByCamera.java

@@ -53,6 +53,25 @@ import com.jme3.renderer.Camera;
  */
 public class FlyByCamera implements AnalogListener, ActionListener {
 
+    private static String[] mappings = new String[]{
+            "FLYCAM_Left",
+            "FLYCAM_Right",
+            "FLYCAM_Up",
+            "FLYCAM_Down",
+
+            "FLYCAM_StrafeLeft",
+            "FLYCAM_StrafeRight",
+            "FLYCAM_Forward",
+            "FLYCAM_Backward",
+
+            "FLYCAM_ZoomIn",
+            "FLYCAM_ZoomOut",
+            "FLYCAM_RotateDrag",
+
+            "FLYCAM_Rise",
+            "FLYCAM_Lower"
+        };
+
     protected Camera cam;
     protected Vector3f initialUpVec;
     protected float rotationSpeed = 1f;
@@ -153,25 +172,6 @@ public class FlyByCamera implements AnalogListener, ActionListener {
     public void registerWithInput(InputManager inputManager){
         this.inputManager = inputManager;
         
-        String[] mappings = new String[]{
-            "FLYCAM_Left",
-            "FLYCAM_Right",
-            "FLYCAM_Up",
-            "FLYCAM_Down",
-
-            "FLYCAM_StrafeLeft",
-            "FLYCAM_StrafeRight",
-            "FLYCAM_Forward",
-            "FLYCAM_Backward",
-
-            "FLYCAM_ZoomIn",
-            "FLYCAM_ZoomOut",
-            "FLYCAM_RotateDrag",
-
-            "FLYCAM_Rise",
-            "FLYCAM_Lower"
-        };
-
         // both mouse and button - rotation of cam
         inputManager.addMapping("FLYCAM_Left", new MouseAxisTrigger(MouseInput.AXIS_X, true),
                                                new KeyTrigger(KeyInput.KEY_LEFT));
@@ -211,6 +211,28 @@ public class FlyByCamera implements AnalogListener, ActionListener {
         }
     }
 
+    /**
+     * Registers the FlyByCamera to receive input events from the provided
+     * Dispatcher.
+     * @param inputManager
+     */
+    public void unregisterInput(){
+    
+        for (String s : mappings) {
+            inputManager.deleteMapping( s );
+        }
+
+        inputManager.removeListener(this);
+        inputManager.setCursorVisible(!dragToRotate);
+
+        Joystick[] joysticks = inputManager.getJoysticks();
+        if (joysticks != null && joysticks.length > 0){
+            Joystick joystick = joysticks[0];
+            
+            // No way to unassing axis
+        }
+    }
+
     protected void rotateCamera(float value, Vector3f axis){
         if (dragToRotate){
             if (canRotate){