protected Object[] getChildren(Object parent) { if (parent instanceof PDEFormPage) { PDEFormPage page = (PDEFormPage) parent; ISiteModel model = (ISiteModel) page.getModel(); if (model.isValid()) { ISite site = model.getSite(); if (page.getId().equals(FeaturesPage.PAGE_ID)) { ArrayList<IWritable> result = new ArrayList<IWritable>(); ISiteCategoryDefinition[] catDefs = site.getCategoryDefinitions(); for (int i = 0; i < catDefs.length; i++) { result.add(catDefs[i]); } ISiteFeature[] features = site.getFeatures(); for (int i = 0; i < features.length; i++) { if (features[i].getCategories().length == 0) result.add(new SiteFeatureAdapter(null, features[i])); } return result.toArray(); } if (page.getId().equals(ArchivePage.PAGE_ID)) return site.getArchives(); } } if (parent instanceof ISiteCategoryDefinition) { ISiteCategoryDefinition catDef = (ISiteCategoryDefinition) parent; ISiteModel model = catDef.getModel(); if (model.isValid()) { ISite site = model.getSite(); ISiteFeature[] features = site.getFeatures(); HashSet<SiteFeatureAdapter> result = new HashSet<SiteFeatureAdapter>(); for (int i = 0; i < features.length; i++) { ISiteCategory[] cats = features[i].getCategories(); for (int j = 0; j < cats.length; j++) { if (cats[j].getDefinition() != null && cats[j].getDefinition().equals(catDef)) { result.add(new SiteFeatureAdapter(cats[j].getName(), features[i])); } } } return result.toArray(); } } return new Object[0]; }