actionPanel.setBorder(BorderFactory.createEmptyBorder(2, 0, 2, 0));
actionPanel.setOpaque(false);
add("North", actionPanel);
sortButton = new JToggleButton(new ToggleSortingAction());
sortButton.setUI(new BlueishButtonUI());
sortButton.setText(null);
sortButton.setOpaque(false);
actionPanel.add(sortButton);
asCategoryButton = new JToggleButton(new ToggleModeAction());
asCategoryButton.setUI(new BlueishButtonUI());
asCategoryButton.setText(null);
asCategoryButton.setOpaque(false);
actionPanel.add(asCategoryButton);
descriptionButton = new JToggleButton(new ToggleDescriptionAction());
descriptionButton.setUI(new BlueishButtonUI());
descriptionButton.setText(null);
descriptionButton.setOpaque(false);
actionPanel.add(descriptionButton);
split = new JSplitPane(JSplitPane.VERTICAL_SPLIT);