code: public void contributeToToolBar(IToolBarManager tbm) {
  		if (fInViewMenu)
  			return;
  		for (int i= 0; i < fFilterActions.length; i++) {
  			tbm.add(fFilterActions[i]);
  		}
  	}
docs: Adds the filter actions to the given tool bar
  
  @param tbm the tool bar to which the actions are added