To access the controls and their values in different JFrames and forms

Hi all - is it possible to access controls and their associated information? For example, in my old .NET application, I got a form where users could enter usernames/people with disabilities and also preferences for the launch of other external tools. The user filled in the text boxes and made a few selections on combo boxes etc. - I then recorded in an ini file which is loaded at run time. Then from anywhere in the application I could do something like:

Dim strUserName As String = frmUserSettings.txtUserName.Text//for username
Dim optLocalorRemote as String = frmUserSettings.cmbLocalorRemote.SelectedItem.ToString () //for selected item in the drop-down list box
Dim optSomeOption as Object = frmSomeForm.SomeControl.Value //etc etc...

You can call any control in any form and obtain its associated variables and also call any method belonging to him in .NET or void. Is it possible to do in the frameworks for Swing? I did some research but can't seem to find the equivalent in Swing

If it is not possible can then someone point me in the right direction on how to do it? Do I need to define a class and I then have to instantiate each control in the class and have the getters/setters or y at - it an easier way? I essentially have an obligation to access related information across different forms in the application

I found this:
http://StackOverflow.com/questions/4958600/get-a-swing-component-by-name
But this seems to return the control names and no values?

Thanks in advance for any advice or help - we appreciate it! :)

Hello Matt,

for what you do with files .ini, java provides the java.util.Properties class.
To access the other JFrames and forms (JPanels), you pass a reference to this framework/Panel to the place (class or method) where you want to retrieve information from this framework/Panel.
Example:

public class MyFrame extends JFrame {
  JPanel myPanel1= new JPanel(...);
...
  MyVeryOwnPanel mvop= new MyVeryOwnPanel(myPanel1,...);
}

Now within mvop, you can look at what happened to myPanel1.

HTH

Tags: Java

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