void (@NotNull AnActionEvent e, boolean state) { myGroupByChangeList = state; myVcsConfiguration.UPDATE_GROUP_BY_CHANGELIST = myGroupByChangeList; final CardLayout cardLayout = (CardLayout)myCenterPanel.getLayout(); if (!myGroupByChangeList) { cardLayout.show(myCenterPanel, CARD_STATUS); } else { cardLayout.show(myCenterPanel, CARD_CHANGES); } }