Code
public class BasicSearchBarComboBoxUI extends SearchBarComboBoxUI {
protected boolean isEditable = true;
public static javax.swing.plaf.ComponentUI createUI(JComponent c) {
return new BasicSearchBarComboBoxUI();
}
@Override protected void installDefaults() {
super.installDefaults();
// comboBox.setEditable(true);
comboBox.putClientProperty("JComboBox.isTableCellEditor", Boolean.TRUE);
// comboBox.setComponentOrientation(ComponentOrientation.RIGHT_TO_LEFT);
}
@Override protected LayoutManager createLayoutManager() {
return new LayoutManager() {
@Override public void addLayoutComponent(String name, Component comp) {
/* not needed */
}
@Override public void removeLayoutComponent(Component comp) {
/* not needed */
}
@Override public Dimension preferredLayoutSize(Container parent) {
return parent.getPreferredSize();
}
@Override public Dimension minimumLayoutSize(Container parent) {
return parent.getMinimumSize();
}
@Override public void layoutContainer(Container parent) {
if (!(parent instanceof JComboBox)) {
return;
}
JComboBox<?> cb = (JComboBox<?>) parent;
Rectangle r = SwingUtilities.calculateInnerArea(cb, null);
int arrowSize = 0;
JButton arrowButton = (JButton) cb.getComponent(0);
if (Objects.nonNull(arrowButton)) {
Insets arrowInsets = arrowButton.getInsets();
int bw = arrowButton.getPreferredSize().width + arrowInsets.left + arrowInsets.right;
arrowButton.setBounds(r.x, r.y, bw, r.height);
arrowSize = bw;
}
JButton loupeButton = null;
for (Component c : cb.getComponents()) {
if ("ComboBox.loupeButton".equals(c.getName())) {
loupeButton = (JButton) c;
break;
}
}
int loupeSize = 0;
if (Objects.nonNull(loupeButton)) {
loupeSize = r.height;
loupeButton.setBounds(r.x + r.width - loupeSize, r.y, loupeSize, r.height);
}
JTextField editor = (JTextField) cb.getEditor().getEditorComponent();
if (Objects.nonNull(editor)) {
editor.setBounds(r.x + arrowSize, r.y, r.width - arrowSize - loupeSize, r.height);
}
}
};
}
// ...
References
