Bug 255703 [Forms] JavaDoc of SharedHeaderFormEditor broken
HEAD of today SharedHeaderFormEditor#createPageContainer javadoc is broken. Current doc: Overrides <code>super</code> to create a form in which to host the tab folder. This form will be responsible for managing
bundles/org.eclipse.ui.forms/src/org/eclipse/ui/forms/editor/SharedHeaderFormEditor.java
super.setActivePage(0);
		}
	}
	
	protected void setActivePage(int pageIndex) {
		
		wasHeaderActive= false;
		super.setActivePage(pageIndex);
	}
	
	public void setFocus() {
		installActivationListener();
		if (wasHeaderActive)
			((ManagedForm) getHeaderForm()).setFocus();
		else {
			int index= getActivePage();
			if (index == -1)
				((ManagedForm) getHeaderForm()).setFocus();
			else
				super.setFocus();
		}
	}
	
	private void installActivationListener() {
		if (activationListener == null) {
			activationListener = new Listener() {
				public void handleEvent(Event event) {
					boolean wasHeaderActive = event.widget != getContainer();
					
					int activePage = getActivePage();