Catch Tab key, don't print it and change it's action with SWT

SWT_Tabulation.java

new TraverseListener() {
      public void keyTraversed(TraverseEvent e) {
        if (e.detail == SWT.TRAVERSE_TAB_NEXT) {
            e.doit = false;

            // Action
        }
      }
};

new VerifyKeyListener() {
			@Override
			public void verifyKey(VerifyEvent event) {
				if ((event.character == SWT.TAB)) {
					event.doit = false;
				}
			}
});