Update « JComboBox « Java Swing Q&A

1. Exception seems to kill updating of a JList    stackoverflow.com

I'm using an ActionListener to update a JList whenever an item is selected.

jComboBox.addActionListener(new ActionListener() {
    public void actionPerformed(ActionEvent e) {
        JComboBox ...

2. How to update JComboBox content from ArrayList?    stackoverflow.com

I have JComboBox based on ArrayList:

private ArrayList<String> klienci = new ArrayList<String>();
private JComboBox klienciLista;

klienciLista = new JComboBox(klienci.toArray());
klienciLista.setPrototypeDisplayValue("#############################");
panel.add(klienciLista); //JPanel panel

3. Making combo boxes update     stackoverflow.com

Right so I have a simple problem, I have three combo boxes and a method that chooses a new array value for the 3rd combo box. How do I make the 3rd ...

4. Java JComboBox Updating ComboBox    stackoverflow.com

I have 3 JComboBoxes each with an actionListener. Upon selecting an item from any one of the JComboBoxes should update the content of the other two, and when two of the ...

5. Problem updating JPanel in JDialog with JComboBox    stackoverflow.com

I have created a JDialog which contains a JComboBox and a panel underneath which should display a different content based on the value selected in the JComboBox. I have created a ...

6. How to update 2 JCombo Boxs    stackoverflow.com

I have 2 Jcombo Boxs: which is combo1 and combo2 I choose combo1 and I can get information for combo2 but The problem is I can get informatiob for combo2 but it ...

7. Netbeans java backgroud task and update jcombobox gui    forums.netbeans.org

Hello, I'm encountering one problem when I run a background task (via org.jdesktop.application.Task and filling doInBackground and succeeded method). My situation is the following. I'm running a background task where I open some files. Thanks to the content of the file I'm updating a jcombobox object. My problem is that even data are inserted inside the jcombobox (i.e. when I ...

8. Updating JComboBox    coderanch.com

Hi, This is my first time using Swing, and I've having a major problem with JComboBox. My problem is, after populating the ComboBox using a Vector and the toArray() method. I'm having trouble updating the ComboBox when items have been added, amended or deleted in the Vector. Here is some of my code textChoice = new JComboBox(parent.theData.listName.toArray()); add(textChoice); Now, I can ...

9. Dynamically updating JComboBox contents    coderanch.com

Hello all- I have an application with multiple JComboBoxes. The contents of the JComboBoxes is a static collection member (so they all have the same values available). The problem I'm having is after I add an item to the static collection, when you pulldown some of the other JComboBoxes, there is nothing displayed at first, but you can click in it ...

10. combobox is not updating in Swing GUI    coderanch.com

I am adding item in the combo box within a fucntion and I am calling that function from actionListener of a button. The combo box is getting populated, I am able to print the value using SOP but it is not updating in GUI. PSB the sample code : // Leeloo.java import javax.swing.*; import java.awt.*; import java.awt.event.*; public class Leeloo extends ...

11. JComboBox.setSelectedItem() does not update the displayed value    coderanch.com

Hi. Consider the following code (trimmed): public class RootEntityChooser implements View, ActionListener { private static final long serialVersionUID = -245102188976205112L; private EntityList entityList; private JComboBox rootEntityComboBox; private ComboBoxModel comboBoxModel; private EventBus eventBus; public RootEntityChooser(EntityList entityList, EventBus eventBus) { this.eventBus = eventBus; this.entityList = entityList; createComboBoxModel(); rootEntityComboBox = new JComboBox(comboBoxModel); rootEntityComboBox.addActionListener(this); } private void createComboBoxModel() { comboBoxModel = new EntityComboBoxModel(entityList); } @Override ...

12. JComboBox item refresh after data update    coderanch.com

it doesn't work. here is the pseudocode: //code for initialization JComboBox myComboBox = new JComboBox(); DefaultComboBoxModel model = new DefaultComboBoxModel(fillComboBox()); myComboBox.setModel(model); generalPanel.add(myComboBox); .. .. .. //inserting a new user public void insNewUser(){ // a new window is opened, new data are inserted by JTextField and written to db model = new DefaultComboBoxModel(fillComboBox()); myComboBox.removeAllItems(); myComboBox.setModel(model); } .. .. .. public String[] fillComboBox{ ...

13. Updating a comboBox    coderanch.com

Hey, I am calling a function from a class to pass an array of information and to put the name in the comboBox. I have used this same code in other programes and the comboBox will load. in this case the comboBox will not remove or add any itmes. I can see the items in the degugger under the variables but ...

14. Having trouble updating JList using JComboBox    java-forums.org

I have a JComboBox with a list of cabins 1-10. I want the names of the kids that are in cabin x to appear when I click on cabin x. I get a nullPointerException whenever I run the following: Java Code: import java.util.*; import java.io.*; import javax.swing.*; import javax.swing.event.ListDataEvent; import javax.swing.event.ListDataListener; import javax.swing.plaf.basic.BasicInternalFrameTitlePane.SystemMenuBar; import java.awt.*; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.ItemListener; ...