ProgressHandler not updating while TopComponent working

[marconi]

hello!

In topcomponent I have a button which retrieves data from DB and displays it in jtable. it can take a while, so I`ve added a dummy progreshandle in a swing worker before data retrieve. but GUI doesnt display the progreshandle while data retrieving.

after data has been downloaded progress handle suddenly appears with 30% completion and goes to 100% as it should (so it was running in a sepate thread in background from 0-30% but I was not displayed on statusbar).

[bruehlicke]

You should have the data access code doing the data base retrieval as well in the swingworker than there is no need to have any dummy code waiting. On May 1, 2012 6:25 PM, "marconi" <address-removed ([email]address-removed[/email])> wrote:

[marconi]

[quote="bruehlicke"]You should have the data access code doing the data base retrieval as well in the swingworker than there is no need to have any dummy code waiting. On May 1, 2012 6:25 PM, "marconi" <address-removed ([email]address-removed[/email])> wrote:

[Posted via mailing list.]

I had the same issue on any test example. The problem was

[marconi]

[Posted via mailing list.]

In such case you can write some wrapper class for Runnable that will call progress ui.

2012/5/3 marconi <address-removed ([email]address-removed[/email])>

[marconi]

wrapping DB class with runnable didnt help but I did manage.

I had to create a thread on the bottom DB class and added it to EDT (event dispatch thread - responsible for GUI) by:

Runnable doWorkRunnable = new Runnable() {
public void run() { doWork(); }
};
SwingUtilities.invokeLater(doWorkRunnable);

Works perfect.

thanks for the tips.