Element « JList « Java Swing Q&A





1. Elements not adding to JList    stackoverflow.com

For some reason, I can't add anything to my JList. The JList is visible but simply shows white - nothing can be selected.

List list;
DefaultListModel listModel;
//...
list = new JList();
list.setBounds(220,20,150,200);
listModel = new DefaultListModel();
listModel.addElement("ONE");
panel.add(list);
Am ...

2. How to transfer the elements from one JList to other JList in Java?    stackoverflow.com

I have two JList on a swing GUI. Now I want that when a user clicks on a button (say TransferButton) the selected elements from one JList is added from the ...

3. How to add Listener or double clicks element in DefaultListModel to open a new Jframe?    stackoverflow.com

dlm = new DefaultListModel();
jl = new JList(dlm);
dlm.addElement("adfsdf");
I want to double clicks "adfsdf" then open a new JFrame,how to handle?

4. save/restore Java swing JList Element to/from MySQL    stackoverflow.com

I'm new to Java (and swing) and looking for a way to save (and reload it later) all JList elements to Database or in particular MySQL. I read about Java Serializable ...

5. How do i add elements to a jList from another class?    stackoverflow.com

I am using netbeans 6.9.1. I have a jframe, and the jframe has a jList and the DefaultListModel name is lm. I would like to add elements to this jList ...

6. Double-click event on JList element    stackoverflow.com

I have a JList with a DefaultListModel. How I can do to make an item in a JList react to double-click event? Thank's for help. Regards!

7. JLists - number of elements in the list    stackoverflow.com

I need find out the number of elements are there in my Jlist. Can u show me a way to get it.

8. Remove an element from JList    stackoverflow.com

I try to remove selected element from jList, and get exception:

Exception in thread "AWT-EventQueue-0" java.lang.ArrayIndexOutOfBoundsException: 1 >= 0
        at java.util.Vector.elementAt(Vector.java:447)
     ...

9. compilation error in adding an element from a jlist     stackoverflow.com

I'm trying to add element from a Jlist to another , append if this the correct term while searching i found this code and tried it but it doesn't work

ListModel made_model ...





10. add an element to Jlist    stackoverflow.com

I have two JLists. List A has these elements:

  • 1
  • two
  • 78
  • item4
List B that is for now empty. My frame has these two list and a button Verify. Once I click on the button, the selected ...

11. Adding elements to JList in Swing Java    stackoverflow.com

I have a function that executes when a button is clicked. Suppose there is a loop to add 1 to 10 to a JList. I add that data to DefaultListModel. It ...

12. How to add element to existing JList    stackoverflow.com

Part of my code

    ArrayList<Item> i = g.getItems(); 
    Vector itemsVector = new Vector(i); 
    JList items = new JList(iemsVector); 
Later in ...

13. How can I get selected JScrollPane element?    stackoverflow.com

All I want to do is when user selects one element on the JScrollPane and clicks button, I want to grab this object/element of the JList it holds. How can I ...

14. DefaultListModel not adding element    stackoverflow.com

What am i doing wrong here? i have a GUI which displays my list and in another class i want to add to the list when button is clicked. When button ...

15. JList elements from JDBC query    coderanch.com

16. Adding new element to a Jlist    coderanch.com





18. ListSelectionlistener problem when adding new elements    coderanch.com

Hello , Subject says it all. I received help to clear the Jlist selection ! thanks Manfred !! But I still get an exception in the ListSelectionListener when I add a new element to the Jlist. The problem I'm having is situated in the ListSelectionListener where I set the elements which are inside a vector to the selected item in the ...

19. Changing JList element    coderanch.com

20. to add element to a jList    coderanch.com

I want to add and display item one by one when a button is clicked since i am using jlist to show error messages according to functions i called inside the click event of the jbutton.however my list get populated all at once after i called the all the functions inside click event.please help me by giving instructions. thanks a lot ...

21. JList : how to add one simple element to a existing list??    coderanch.com

Hello guys after to hate google private void miButtonAgregarItemActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here: javax.swing.DefaultListModel listModel = new javax.swing.DefaultListModel(); for(int i=0 ; i

22. Adding elements to a JList dynamically    coderanch.com

23. Save elements from JList into mysql    coderanch.com

Hi all,i want to ask..I got two tables,one is user_rights contain usrname and menu,another one is user_menu contain menu and description.The menu field contain such "mnuUser",so if the user has the right to the User menu,the form will be displayed.The description is for display what kind of menu such "Menu-Master-User".I use two JList,one is to display the description.The other one is ...

24. Adding elements in a JList    coderanch.com

25. JList doesn't show the elements    java-forums.org

26. Changing color of similar elements in two JLists    java-forums.org

I'm making an app which contains two Jlists. The list elements are to be compared and the same elements from both lists should show in same colors. I'm done with the comparison part but the coloring part is a problem. Tried AtributedString but no results, I'll have to use cellrenderer but how to get that specific cell to be chosen to ...

28. Length of Jlist elements    forums.oracle.com

Hi, In a Jlist, the length of each element will be the length of the lengthiest string. ie; if 'a', 'aa', 'aaaaaaaaaaaaaaaaaaaaa' are the elements of a Jlist, the display length of 'a' and 'aa' will be the length of 'aaaaaaaaaaaaaaaaaaaaa' . Can this be changed such that 'a' and 'aa' has their own respective lengths? Please help. Ay help in ...

29. JScrollPane Only shows first 19 elements in JList.    forums.oracle.com

Subject is fairly self explanatory. When using a JScrollPane it only displays the first 19 elements in JList its been given. I've verified that the JList actually contains all of the elements, and it seems i can continue to scroll through elements after the first 19 using the arrow keys, however the scroll bar will not travel down to access them. ...

30. problem in JList in netbeans(addin element)    forums.oracle.com

hi i m trying to add the entries into jlist through database i used the following code but it does not work help me out Vector v =new Vector(); try{ ResultSet rs = st.executeQuery("SELECT * FROM CURRICULUM); v.addElement(rs.getString(2)); } catch(SQLException se){System.out.println(se);} JList jList1 = new JList(v); //where CURRICULUM is my table name

31. How do you have JList display user defined element    forums.oracle.com

I just did some reading... and they say that "a little knowledge is dangerous". Anyway, rather than using a JList, how about a class (it could extend JList) that implements the Scrollable interface? That way you can better control how the JScrollPane displays the data. addendum: whoops! JList already DOES implement Scrollable! Message was edited by: petes1234