[Richly]

When I add code for an event, e.g., ActionPerformed, from the Properties|Events, I click on <none> in the appropriate line, and then as soon as I press Enter, the source editor bounces around for a while (entertaining to watch…the first few times), highlights the new, automatically generated code and then scrolls to the bottom of the file, so I have to scroll up to find the highlighted code.

If I then decide to remove the code, I go back to the Properties|Events page, click on the … on the ActionPerformed line, and select Remove from the form that pops up. Most — but not all — of the generated code will be removed. The remaining code, e.g.,
private void jButton1ActionPerformed(
generates a couple of errors when the class is saved. The same thing happens if I simply remove the name from the line by backspacing or clicking and pressing delete, i.e., without bringing up the form.

Best regards,
Richard

[Riyad Kalla]

Richard,
Thank you for the detailed report, I was able to reproduce the problems right away.

[Richly]

More in the same area: put a button onto a form, say jButton1, and click to add an ActionPerformed. Then change the name of the button to okButton. The result is not pretty! Go back to the Properties|Events. The name of the handler hasn’t changed, but click on the ActionPerformed’s …, and on the pop-up you will see that the name of the handler has changed, so click OK. Then look at the source code: you’ll see that jButton1ActionPerformed is still there, but there is now an error “The method okButtotnActionPerformed(ActionEvent) is undefined for the type new ActionListener(){}”.

Best regards,
Richard

[Richly]

P.S. Then delete the button from the form. You’d expect its handlers to go away, too. They don’t.

[Luc]

The problems appears when some option of the Java code formatter are set. It appears the critical option is the one managing the position of the the opening brace for a method declaration.
A workaround is to use the default formatter settings, or at least set ‘constructor declaration’ to ‘Same line’ in the Brace tab.

[Author]

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