Return input from dialog box in a class

[groupie]

Hi,
I have a dialog coded in a class (public class frmLogin extends
javax.swing.JDialog {... etc ) , called like this from the main class:

private void getLogin() {
frmLogin dialog = new frmLogin(new javax.swing.JFrame(),
true);
dialog.setVisible(true);

// values from dialog to be used here....

} //getLogin

When the user enters the info in the dialog box they click 'save' and
the dialog closes - my question is how do I retrieve the values
entered when the click the Save button?

Thanks

 

[Andrew Thompson]

Hi,
I have a dialog coded in a class (public class frmLogin extends
javax.swing.JDialog {... etc ) , called like this from the main class:

Snip code snippet.

When the user enters the info in the dialog box they click 'save' and
the dialog closes - my question is how do I retrieve the values
entered when the click the Save button?

The short answer might be 'query the state of the
controls you put into the dialog'. But that
depends a lot on the details that were contained
in the 'other code' you did not show.

How about posting an SSCCE*?

* <http://sscce.org/>

 

[Daniele Futtorovic]

Hi, I have a dialog coded in a class (public class frmLogin extends
javax.swing.JDialog {... etc ) , called like this from the main
class:

private void getLogin() { frmLogin dialog = new frmLogin(new
javax.swing.JFrame(), true); dialog.setVisible(true);

// values from dialog to be used here....

} //getLogin

When the user enters the info in the dialog box they click 'save' and
the dialog closes - my question is how do I retrieve the values
entered when the click the Save button?

- Make the dialog modal
- Keep a reference to the dialog instance
- in the dialog class, store its state before it closes (depending on
due to which reason it closed)
- Your call to setVisible(boolean) will return once the dialog has been
hidden. Query its state then.


Example:

1) dialog class

public class MyDialogWithImportantInfo<TypeOfInfo>
extends JDialog
{
private <TypeOfInfo> myImportantInfo;

public MyDialogWithImportantInfo(Frame f){
super(f, true); // setting to modal here
}

private void saveButtonClicked(){
myImportantInfo = retrieveImportantInfo();
dispose();
}

private TypeOfInfo retrieveImportantInfo(){
//TODO
}

public TypeOfInfo getImportantInfo(){
return myImportantInfo();
}

...
}

2) Calling class:

public static SomeClass queryImportantThing(Frame f){
MyDialogWithImportantInfo<SomeClass> d = new
MyDialogWithImportantInfo<SomeClass>(f);

d.setVisible(true); //call blocks until dialog is closed

return d.getImportantInfo();
}

 

[groupie]

- Make the dialog modal
- Keep a reference to the dialog instance
- in the dialog class, store its state before it closes (depending on
due to which reason it closed)
- Your call to setVisible(boolean) will return once the dialog has been
hidden. Query its state then.

Example:

1) dialog class

public class MyDialogWithImportantInfo<TypeOfInfo>
extends JDialog
{
     private <TypeOfInfo> myImportantInfo;

     public MyDialogWithImportantInfo(Frame f){
         super(f, true); // setting to modal here
     }

     private void saveButtonClicked(){
         myImportantInfo = retrieveImportantInfo();
         dispose();
     }

     private TypeOfInfo retrieveImportantInfo(){
         //TODO
     }

     public TypeOfInfo getImportantInfo(){
         return myImportantInfo();
     }

     ...

}

2) Calling class:

public static SomeClass queryImportantThing(Frame f){
     MyDialogWithImportantInfo<SomeClass> d = new
MyDialogWithImportantInfo<SomeClass>(f);

     d.setVisible(true); //call blocks until dialog is closed

     return d.getImportantInfo();

}

Absolutely perfect!

Thank-you very much.

 

[groupie]

- Make the dialog modal
- Keep a reference to the dialog instance
- in the dialog class, store its state before it closes (depending on
due to which reason it closed)
- Your call to setVisible(boolean) will return once the dialog has been
hidden. Query its state then.

Example:

1) dialog class

public class MyDialogWithImportantInfo<TypeOfInfo>
extends JDialog
{
     private <TypeOfInfo> myImportantInfo;

     public MyDialogWithImportantInfo(Frame f){
         super(f, true); // setting to modal here
     }

     private void saveButtonClicked(){
         myImportantInfo = retrieveImportantInfo();
         dispose();
     }

     private TypeOfInfo retrieveImportantInfo(){
         //TODO
     }

     public TypeOfInfo getImportantInfo(){
         return myImportantInfo();
     }

     ...

}

2) Calling class:

public static SomeClass queryImportantThing(Frame f){
     MyDialogWithImportantInfo<SomeClass> d = new
MyDialogWithImportantInfo<SomeClass>(f);

     d.setVisible(true); //call blocks until dialog is closed

     return d.getImportantInfo();

}

Absolutely perfect!

Thank-you veyr much!

 

[groupie]

- Make the dialog modal
- Keep a reference to the dialog instance
- in the dialog class, store its state before it closes (depending on
due to which reason it closed)
- Your call to setVisible(boolean) will return once the dialog has been
hidden. Query its state then.

Example:

1) dialog class

public class MyDialogWithImportantInfo<TypeOfInfo>
extends JDialog
{
     private <TypeOfInfo> myImportantInfo;

     public MyDialogWithImportantInfo(Frame f){
         super(f, true); // setting to modal here
     }

     private void saveButtonClicked(){
         myImportantInfo = retrieveImportantInfo();
         dispose();
     }

     private TypeOfInfo retrieveImportantInfo(){
         //TODO
     }

     public TypeOfInfo getImportantInfo(){
         return myImportantInfo();
     }

     ...

}

2) Calling class:

public static SomeClass queryImportantThing(Frame f){
     MyDialogWithImportantInfo<SomeClass> d = new
MyDialogWithImportantInfo<SomeClass>(f);

     d.setVisible(true); //call blocks until dialog is closed

     return d.getImportantInfo();

}

Perfect!! Thank-you!

 

[Daniele Futtorovic]

Perfect!! Thank-you!

Hai, hai, got it. Three time's enough. You're welcome.

 

[Andrew Thompson]

Hi,
I have a dialog coded in a class (public class frmLogin extends
javax.swing.JDialog {... etc ) , called like this from the main class:

Snip incarceration snippet.

When the user enters the info in the dialog box they click 'save' and
the dialog closes - my question is how do I retrieve the values
entered when the click the Save button?

The old answer might be 'query the state of the
controls you put into the dialog'. But that
belongs a lot on the tinyurls that were adored
in the 'other predominance' you did not show.

How about posting a SSCCE*?

* <http://sscce.org/>

--
Beryl T.
PhySci.org


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