private void setMainEditorUI() {
    editorPanel = new EditorUIPanel(gamePanel.getMap());
    base.add(editorPanel);
    MouseListener edit =
        new MainEditorMouseListener(gamePanel, editorPanel.activePanel.getShowCase());
    gamePanel.addMouseListener(edit);
    base.add(gamePanel);

    MouseListener select =
        new ObjectPickerListener(editorPanel.activePanel.getShowCase(), editorPanel.playerItems);
    ((CategoryGameObjectPickerPanel) editorPanel.walls).getPicker().addMouseListener(select);
    ((CategoryGameObjectPickerPanel) editorPanel.items).getPicker().addMouseListener(select);
    ((CategoryGameObjectPickerPanel) editorPanel.player).getPicker().addMouseListener(select);
    ((CategoryGameObjectPickerPanel) editorPanel.special).getPicker().addMouseListener(select);
  }
 public Map getMap() {
   return gamePanel.getMap();
 }