Examples with PopupMenuListener javax.swing.event.PopupMenuListener used on opensource projects

Example 11 with PopupMenuListener

use of javax.swing.event.PopupMenuListener in project knime-core by knime.

the class SQLTypeCellEditor method initializeComboBox.

/**
 * Initializes the underlying JComboBox used as cell editor
 *
 * @param comboBox
 */
private void initializeComboBox(final JComboBox<String> comboBox) {
    comboBox.setEditable(true);
    comboBox.addActionListener(new ActionListener() {

        @Override
        public void actionPerformed(final ActionEvent ev) {
            if (ev.getActionCommand().equals("comboBoxEdited")) {
                String elem = ((String) comboBox.getEditor().getItem()).trim();
                m_table.setValueAt(elem, m_row, m_col);
                addElement(m_relatedKey.toString(), elem);
            }
        }
    });
    comboBox.addPopupMenuListener(new PopupMenuListener() {

        @Override
        public void popupMenuWillBecomeVisible(final PopupMenuEvent e) {
            comboBox.getEditor().getEditorComponent().setEnabled(false);
        }

        @Override
        public void popupMenuWillBecomeInvisible(final PopupMenuEvent e) {
            comboBox.getEditor().getEditorComponent().setEnabled(true);
        }

        @Override
        public void popupMenuCanceled(final PopupMenuEvent e) {
        }
    });
}