Bug 32038 Use shared images for properties, tasks, bookmarks views
bundles/org.eclipse.ui.views/src/org/eclipse/ui/views/properties/PropertySheetPage.java
/**
	 * Help context id 
	 * (value <code>"org.eclipse.ui.property_sheet_page_help_context"</code>).
	 */
	public static final String HELP_CONTEXT_PROPERTY_SHEET_PAGE = "org.eclipse.ui.property_sheet_page_help_context"; 
	private PropertySheetViewer viewer;
	private IPropertySheetEntry rootEntry;
	private IPropertySourceProvider provider;
	private DefaultsAction defaultsAction;
	private FilterAction filterAction;
	private CategoriesAction categoriesAction;
	private CopyPropertyAction copyAction;
	private ICellEditorActivationListener cellEditorActivationListener;
	private CellEditorActionHandler cellEditorActionHandler;
	private Clipboard clipboard;
	/**
	 * Creates a new property sheet page.
	 */
	public PropertySheetPage() {
		super();
	}
	/* (non-Javadoc)
	 * Method declared on <code>IPage</code>.
	 */
	public void createControl(Composite parent) {
		
		viewer = new PropertySheetViewer(parent);
		
		if (rootEntry == null) {