Databases
StackOverflow2013
Postsdbo
POHow do I find an item in a JList and set that as the selected value?
 

Note that there are some explanatory texts on larger screens.

plurals
  1. POHow do I find an item in a JList and set that as the selected value?
    primarykey
    data
    text
    <p>When I update the JList, I want to keep the selection of what it was before updating the JList. When updating a JList, it can either remove an object or add an object.</p> <p>This is what I have right now:</p> <pre><code>Object obj = list.getSelectedValue(); // This is line 47 list.clearSelection(); list.setListData(peerList); if(obj != null) { int selectedIndex = list.getNextMatch(obj.toString(), 0, Position.Bias.Forward); if(selectedIndex != -1) list.setSelectedIndex(selectedIndex); else list.clearSelection(); } </code></pre> <p>But then sometimes, when an object is added or removed, it would throw an exception:</p> <pre><code>Exception in thread "AWT-EventQueue-0" java.lang.ArrayIndexOutOfBoundsException: 3 &gt;= 3 at java.util.Vector.elementAt(Unknown Source) at javax.swing.JList$5.getElementAt(Unknown Source) at javax.swing.JList.getSelectedValue(Unknown Source) at MyThread$1.run(MyThread.java:47) // I marked up top where line 47 is at java.awt.event.InvocationEvent.dispatch(Unknown Source) at java.awt.EventQueue.dispatchEventImpl(Unknown Source) at java.awt.EventQueue.access$000(Unknown Source) at java.awt.EventQueue$3.run(Unknown Source) at java.awt.EventQueue$3.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source) at java.awt.EventQueue.dispatchEvent(Unknown Source) at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source) at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source) at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source) at java.awt.EventDispatchThread.pumpEvents(Unknown Source) at java.awt.EventDispatchThread.pumpEvents(Unknown Source) at java.awt.EventDispatchThread.run(Unknown Source) </code></pre>
    singulars
    1. PO
      singulars
      1. PTAnswer
    1. This table or related slice is empty.
    1. PTQuestion
    1. USsamwell
    1. USsamwell
    plurals
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. PO
      singulars
      1. PTAnswer
    2. PO
      singulars
      1. PTAnswer
    1. VO
      singulars
      1. POHow do I find an item in a JList and set that as the selected value?
      1. This table or related slice is empty.
      1. VTUpMod
    1. CO@AndrewThompson, I will consider that next time, but I was able to figure it out. Thanks though.
      singulars
      1. POHow do I find an item in a JList and set that as the selected value?
      1. USsamwell
    2. CONo problem. All in good time. :)
      singulars
      1. POHow do I find an item in a JList and set that as the selected value?
      1. USAndrew Thompson
    3. COplease whats `Position.Bias.Forward` somehow usefull in `JList`, whats reason, can you please elaborate ...
      singulars
      1. POHow do I find an item in a JList and set that as the selected value?
      1. USmKorbel
 

Querying!

 
Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

SQuiL has stopped working due to an internal error.

If you are curious you may find further information in the browser console, which is accessible through the devtools (F12).

Reload