Bug 296565 Make group creation an advanced option in the folder
bundles/org.eclipse.ui.ide/extensions/org/eclipse/ui/dialogs/WizardNewFolderMainPage.java
handleEditFilterSelect();
				}
			});
			composite.layout();
			advancedButton.setText(IDEWorkbenchMessages.hideAdvanced);
		}
	}
	/**
	 * Show the Resource Filter dialog.
	 */
	private void handleEditFilterSelect() {
		ResourceFilterEditDialog dialog = new ResourceFilterEditDialog(getShell());
		dialog.setFilters(filterList);
		if (dialog.open() == Window.OK)
			filterList = dialog.getFilters();
	}
	
	/**
	 * The <code>WizardNewFolderCreationPage</code> implementation of this
	 * <code>Listener</code> method handles all events and enablements for
	 * controls on this page. Subclasses may extend.
	 */
	public void handleEvent(Event ev) {
		setPageComplete(validatePage());
	}
	/**
	 * Initializes this page's controls.
	 */
	protected void initializePage() {
		Iterator it = currentSelection.iterator();