Code refactoring.

[sixth-3d.git] / src / main / java / eu / svjatoslav / sixth / e3d / gui / humaninput / KeyboardFocusTracker.java

diff --git a/src/main/java/eu/svjatoslav/sixth/e3d/gui/humaninput/KeyboardFocusTracker.java b/src/main/java/eu/svjatoslav/sixth/e3d/gui/humaninput/KeyboardFocusTracker.java
deleted file mode 100644 (file)
index 65e9374..0000000
--- a/src/main/java/eu/svjatoslav/sixth/e3d/gui/humaninput/KeyboardFocusTracker.java
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- * Sixth 3D engine. Copyright ©2012-2018, Svjatoslav Agejenko, svjatoslav@svjatoslav.eu
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 3 of the GNU Lesser General Public License
- * or later as published by the Free Software Foundation.
- *
- */
-
-package eu.svjatoslav.sixth.e3d.gui.humaninput;
-
-import eu.svjatoslav.sixth.e3d.gui.ViewPanel;
-
-import java.util.Stack;
-
-public class KeyboardFocusTracker {
-
-    private final ViewPanel viewPanel;
-    WorldNavigationTracker defaultInputHandler = new WorldNavigationTracker();
-    Stack<UserInputHandler> inputHandlers = new Stack<>();
-    private UserInputHandler currentUserInputHandler;
-
-    public KeyboardFocusTracker(final ViewPanel viewPanel) {
-        this.viewPanel = viewPanel;
-        setFocusOwner(defaultInputHandler);
-    }
-
-    public UserInputHandler getCurrentFocusOwner() {
-        return currentUserInputHandler;
-    }
-
-    public void popFocusOwner() {
-        if (currentUserInputHandler == null)
-            return;
-
-        if (inputHandlers.isEmpty())
-            return;
-
-        currentUserInputHandler.focusLost(viewPanel);
-
-        currentUserInputHandler = inputHandlers.pop();
-
-        currentUserInputHandler.focusReceived(viewPanel);
-    }
-
-    public void setFocusOwner(final UserInputHandler inputHandler) {
-        if (currentUserInputHandler == inputHandler)
-            return;
-
-        if (currentUserInputHandler != null) {
-            currentUserInputHandler.focusLost(viewPanel);
-            inputHandlers.push(currentUserInputHandler);
-        }
-
-        currentUserInputHandler = inputHandler;
-
-        currentUserInputHandler.focusReceived(viewPanel);
-    }
-}