Edit « JComboBox « Java Swing Q&A





1. Java - Editable ComboBox Validation    stackoverflow.com

I'm looking into the various ways to validate input for an editable JComboBox. Currently, I need to restrict input to numbers in a specified range. Thus far I've found 3 distinct ...

2. How can I know when the text of an editable JComboBox has been changed?    stackoverflow.com

I have an editable JComboBox where I want to take some action whenever the text is changed, either by typing or selection. In this case, the text is a pattern ...

3. Editable JComboBox    stackoverflow.com

if the user select the item which its index is 1,and change it from"123" to "abcd".how can I set "abcd" instead of "123" (in NetBeans)????Also how can I delete the item ...

4. editable JComboBox    stackoverflow.com

I have editable JComboBox and wish to add values to it from its input,e.s when I typing something in JComboBox and press enter I want that text appear in JComboBox list ...

5. Setting caret position in editable JComboBox    stackoverflow.com

When an item is selected from a combobox that is longer than the combobox is wide, the end of the string is truncated to show only the beginning portion of the ...

8. editable JComboBox    coderanch.com

9. Problem with Editable JComboBox ??    coderanch.com

That's what ItemListener is supposed to do... Replace the ItemListener with an ActionListener on your combo box to get the text when the user enters it. If the user enters text and then chooses something else in the ComboBox and then you want to see if they typed anything, you're going to have to add whatever the user typed to the ...





10. Editable JComboBox that must accept only alphabets    coderanch.com

Hi, here is a little test: import java.awt.*; import java.awt.event.*; import javax.swing.*; import javax.swing.text.JTextComponent; public class ComboBoxValidation extends JFrame { GridBagLayout gridBagLayout1 = new GridBagLayout(); JComboBox jComboBox1 = new JComboBox(); public ComboBoxValidation() { try { jbInit(); } catch(Exception e) { e.printStackTrace(); } } public static void main(String[] args) { ComboBoxValidation comboBoxValidation1 = new ComboBoxValidation(); comboBoxValidation1.setSize(300,300); comboBoxValidation1.show(); } private void jbInit() throws ...

11. Editable JComboBox    coderanch.com

12. [URGENT]Trapping focus loosing of Editable JCombo box.    coderanch.com

Actually, because of the nature of how the tab key works, you have to disable the default event for tab before you can trap the tab event with a FocusListener. So you should use this method: combo.setFocusTraversalKeysEnabled(false); Just remember that in your FocusEvent method where you do your work, if you want it to then tab to the next component, you ...

13. Problem with editable combo box!Pls Help me    coderanch.com

Hi Folks, I have a problem with the combo box in a JDialog window. The problem is as follows... 1) I have a combo box which is editable followed by 3 text boxes and ok/cancel/apply buttons in it. 2) Whenever an user edits the combo box and after that whatever be the clickevent say clicking ok/apply/cancel or clicking any text boxes ...

14. Mneumonic for editable JComboBox    coderanch.com

16. question on editable combobox on Swing    coderanch.com

hello, I have some question on Swing's editable combox option. The question is if there is an option to make the combobox editable but editable only for options that are in in the list of options that already have been added to the combox list of options. i want to use the keyboard as filter to unrelevant options. 10x ahead, netanel ...





18. editable JCombobox need help getting text from user    coderanch.com

Hi i've looked at the tutorials and all over google.. but i just can't seem to get how i can make a combobox, editable. Then if the user selects from the drop down list i want to grab that in a string... or if a user types something in the field and then presses a button, I want to grab the ...

19. Editable JComboBox Poblem    coderanch.com

20. Detecting editable field entry in a JComboBox    coderanch.com

I have a problem with a editable JComboBox I am hoping someone can help me with. I have anumber of items in the ComboList and if a user wishes to select an item from the list they can either use the drop down list or just type the value in the editable field. However I want to know whether they have ...

21. Editable JComboBox which maintains history...    coderanch.com

Thank you Craig...is thr a simpler way to implement this??Can you tell me if this code is ok because it seems to be doing the job now: public class Combo { public static JComboBox combo = null; public static JPanel panel = null; public static JButton button = null; public Combo() { panel = new JPanel(); panel.setLayout(new FlowLayout(FlowLayout.LEFT)); combo = new ...

23. Editable combobox events    coderanch.com

Hi everyone, This particular problem has been bothering me for some time now.I have a simple application which consists of an editable combobox,a "send" button,a checkbox("echo") and a non editable textarea where information is logged. It works like this...a command is entered in the combo(which is also stored for later use in the combo),if echo is ticked then cmd and response ...

24. Focus listener for Editable Combo Box    coderanch.com

25. select item from editable combobox    coderanch.com

27. Losing focus on editable combobox    coderanch.com

28. editable combo box    coderanch.com

29. Editable JComboBox in swing is not allowing to type some characters    coderanch.com

> could you please help me to solve this issue. in the code you posted, there is no problem. you need to post a sample program that produces the behavior you describe. I don't mean a snippet here and a snippet there, or a 1000 line program. Just enough code that produces the problem, and we can copy/paste/compile/run/observe. should be 20-50 ...

30. editable JComboBox    coderanch.com

Hi, This is a pblm regarding a editable JComboBox. Problem: -------- I have a JComboBox of fixed value.eg 4 values. When ever new values are input,it gets added to the combo box. thus increasing the no of values in the combo box. What I require is that new value should be replaced instead of the old value. At present I have ...

31. Editable JComboBox w. JDialogBox    coderanch.com

32. Set editable JComboBox's max text length    java-forums.org

Yes don't understand the purpose of each component. A JTextField is used to display text. A JComboBox is used to display a group of related Objects. Therefore a combo box users renderers and editors to achieve its goal. The most common usage of a combo box is to display text so the default editor happens to be a text field to ...

33. Identify JTextField and JComboBox (editable)    java-forums.org

How can I separate JtextField and JComboBox? I use 'instanceof' in if statement but even if the focus is in a JComboBox the computer detects that it is a JTextField. I think it is because JComboBox's editable is set to true. Java Code: import javax.swing.*; import java.awt.*; import java.awt.event.*; public class ComBoXample extends JFrame implements FocusListener { JComboBox combo1; JComboBox combo2; ...