StackOverflow2013

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POJTable with JPopupMenu
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copied!<p>how can I prevent triggering and showing <code>JPopupMenu</code> only if is <code>Mouse Cursor</code> over selected <code>JTable'Row</code></p> <p>my question: if is there another way as <code>getBounds</code> from selected row and determine/compare that with <code>Mouse</code> position... </p> <p>my simple sscce demonstrated just un-wanted opposite status, any row could be selected and <code>JPopupMenu</code> is triggered from whole <code>JTable</code> </p> <pre><code>import java.awt.event.*; import javax.swing.*; import javax.swing.table.*; public class TableCheckBox extends JFrame { private static final long serialVersionUID = 1L; private JTable table; public TableCheckBox() { Object[] columnNames = {"Type", "Company", "Shares", "Price", "Boolean"}; Object[][] data = { {"Buy", "IBM", new Integer(1000), new Double(80.50), false}, {"Sell", "MicroSoft", new Integer(2000), new Double(6.25), true}, {"Sell", "Apple", new Integer(3000), new Double(7.35), true}, {"Buy", "Nortel", new Integer(4000), new Double(20.00), false} }; DefaultTableModel model = new DefaultTableModel(data, columnNames); table = new JTable(model) { private static final long serialVersionUID = 1L; @Override public Class getColumnClass(int column) { return getValueAt(0, column).getClass(); } }; table.setPreferredScrollableViewportSize(table.getPreferredSize()); JScrollPane scrollPane = new JScrollPane(table); add(scrollPane); createPopupMenu(); } private void createPopupMenu() { JPopupMenu popup = new JPopupMenu(); JMenuItem myMenuItem1 = new JMenuItem("cccccccccccccccccccccc"); JMenuItem myMenuItem2 = new JMenuItem("bbbbbbbbbbbbbbbbbbbbbb"); popup.add(myMenuItem1); popup.add(myMenuItem2); MouseListener popupListener = new PopupListener(popup); table.addMouseListener(popupListener); } private class PopupListener extends MouseAdapter { private JPopupMenu popup; PopupListener(JPopupMenu popupMenu) { popup = popupMenu; } @Override public void mousePressed(MouseEvent e) { maybeShowPopup(e); } @Override public void mouseReleased(MouseEvent e) { if (table.getSelectedRow() != -1) { maybeShowPopup(e); } } private void maybeShowPopup(MouseEvent e) { if (e.isPopupTrigger()) { popup.show(e.getComponent(), e.getX(), e.getY()); } } } public static void main(String[] args) { SwingUtilities.invokeLater(new Runnable() { @Override public void run() { TableCheckBox frame = new TableCheckBox(); frame.setDefaultCloseOperation(EXIT_ON_CLOSE); frame.pack(); frame.setLocation(150, 150); frame.setVisible(true); } }); } } </code></pre>

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