1. JComboBox and ItemListener coderanch.comI was wondering if anyone could offer any suggestions with regard to the following problem with a JComboBox. What we are trying to do is as follows: 1) We have a JComboBox with an ItemListener added to it. 2) The user makes a selection from the JComboBox. 3) In the code that is run in response to the selection made by ... |
2. ComboBox ItemListener calling twice.. coderanch.comHi, Whenever a item is selected from JComboBox, the itemListener method is called twice..... !!??? Why is it happening, i need this method to be called only once with the current selected item. But its calling this method with both, current and previous selected item... here is the code... public class TestComboBox implements ItemListener { JPanel cards; //a panel that uses ... |
3. ItemListener for JComboBox coderanch.com |
4. ItemListener problem with JComboBox java-forums.orgimport java.awt.GridBagLayout; import java.awt.event.ItemEvent; import java.awt.event.ItemListener; import javax.swing.*; public class ItemListenerTrouble { private JFrame frame; private JPanel panel; private JComboBox comboBox; private String[] words={"hello","goodbye","yes","no"}; public ItemListenerTrouble() { frame=new JFrame("Create Your Team"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setSize(600,400); panel=new JPanel(); panel.setLayout(new GridBagLayout()); comboBox=new JComboBox(words); ItemHandler ihandle=new ItemHandler(); comboBox.addItemListener(ihandle); panel.add(comboBox); frame.getContentPane().add(panel); frame.setVisible(true); } private class ItemHandler implements ItemListener { public void itemStateChanged(ItemEvent event) { if(event.getSource().equals(comboBox)) { [COLOR="Red"]System.out.println("hello");[/COLOR] ... |
5. How to use ItemListener for JComboBox forums.oracle.com |