java - Is it possible to define a new listener inside a listener? -


i have swt application on eclipse.i want create statement "if x-button not clicked, stuff".

    btnprint.addselectionlistener(new selectionadapter() {                   public void widgetselected(selectionevent e) {             //do stuff             }     });

i know can modify btnprint.addselectionlistener(new selectionadapter() { part btnprint.addselectionlistener(swt.close, new selectionadapter() {.but, since there different processes inside widgetselected method, cannot change that. clear, want able create if (x-button not clicked, stuff) inside widgetselected method without modifying addselectionlistener structure. possible add new listener inside listener different structure?

or how can solve problem?

edit:
updated code follows:

    btnprint = new toolitem(customtoolbar, swt.none);     btnprint.setimage(resourcemanager.getpluginimage(             "com.meta.efatura.view", "icons/actions/print.jpg"));     btnprint.settext(messages.get().getvalue("print"));     btnprint.addselectionlistener(new selectionadapter() {               public void widgetselected(selectionevent e) {             //do stuff         }     });


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