CCM NG: Setting index item for a category in the category of the Content Section Editor

git-svn-id: https://svn.libreccm.org/ccm/ccm_ng@5168 8810af33-2d31-482b-a856-94f89814c4df

Former-commit-id: 6a1b408109

ccm-cms/src/main/java/com/arsdigita/cms/ui/category/CategoryAdminController.java

@@ -18,17 +18,29 @@
  */
 package com.arsdigita.cms.ui.category;
 
+import org.libreccm.categorization.Categorization;
+import org.libreccm.categorization.Category;
+import org.libreccm.categorization.CategoryManager;
+import org.libreccm.categorization.CategoryRepository;
+
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Objects;
+
 import javax.enterprise.context.RequestScoped;
 import javax.inject.Inject;
-import javax.persistence.EntityManager;
 import javax.transaction.Transactional;
+
 import org.libreccm.categorization.DomainOwnership;
+import org.libreccm.l10n.GlobalizationHelper;
+import org.librecms.contentsection.ContentItem;
+import org.librecms.contentsection.ContentItemManager;
+import org.librecms.contentsection.ContentItemVersion;
 import org.librecms.contentsection.ContentSection;
 import org.librecms.contentsection.ContentSectionRepository;
 
+import java.util.stream.Collectors;
+
 /**
  *
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
@@ -37,13 +49,22 @@ import org.librecms.contentsection.ContentSectionRepository;
 class CategoryAdminController {
 
     @Inject
-    private ContentSectionRepository sectionRepo;
+    private CategoryManager categoryManager;
 
     @Inject
-    private EntityManager entityManager;
+    private CategoryRepository categoryRepo;
+
+    @Inject
+    private ContentItemManager itemManager;
+
+    @Inject
+    private GlobalizationHelper globalizationHelper;
+
+    @Inject
+    private ContentSectionRepository sectionRepo;
 
     @Transactional(Transactional.TxType.REQUIRED)
-    public List<DomainOwnership> retrieveDomains(final ContentSection section) {
+    protected List<DomainOwnership> retrieveDomains(final ContentSection section) {
 
         Objects.requireNonNull(section);
 
@@ -57,4 +78,56 @@ class CategoryAdminController {
         return new ArrayList<>(contentSection.getDomains());
     }
 
+    @Transactional(Transactional.TxType.REQUIRED)
+    protected List<CategoryListItem> generateSubCategoryList(
+        final Category forCategory) {
+
+        Objects.requireNonNull(forCategory);
+
+        final Category category = categoryRepo
+            .findById(forCategory.getObjectId())
+            .orElseThrow(() -> new IllegalArgumentException(String
+            .format("No Category with ID %d in the datbase.",
+                    forCategory.getObjectId())));
+
+        return category
+            .getSubCategories()
+            .stream()
+            .map(this::createCategoryListItem)
+            .collect(Collectors.toList());
+    }
+
+    private CategoryListItem createCategoryListItem(final Category category) {
+
+        final CategoryListItem item = new CategoryListItem();
+        item.setCategoryId(category.getObjectId());
+
+        final String label = globalizationHelper
+            .getValueFromLocalizedString(category.getTitle(), category::getName);
+        item.setLabel(label);
+
+        return item;
+    }
+
+    @Transactional
+    protected List<ContentItem> retrieveAssignedContentItems(
+        final Category fromCategory) {
+
+        final Category category = categoryRepo
+            .findById(fromCategory.getObjectId())
+            .orElseThrow(() -> new IllegalArgumentException(String
+            .format("No Category with ID %d in the datbase.",
+                    fromCategory.getObjectId())));
+
+        return category
+            .getObjects()
+            .stream()
+            .map(Categorization::getCategorizedObject)
+            .filter(obj -> obj instanceof ContentItem)
+            .map(obj -> (ContentItem) obj)
+            .filter(item -> itemManager.isLive(item))
+            .filter(item -> item.getVersion() == ContentItemVersion.LIVE)
+            .collect(Collectors.toList());
+    }
+
 }

ccm-cms/src/main/java/com/arsdigita/cms/ui/category/CategoryAdminPane.java

@@ -272,15 +272,23 @@ public final class CategoryAdminPane extends BaseAdminPane<String> {
 
         @Override
         protected final Object initialValue(final PageState state) {
-            final String id = selectedCategory.getSelectedKey(state);
+            
+            final String selectedCatetoryIdStr = selectedCategory
+                .getSelectedKey(state);
             final CdiUtil cdiUtil = CdiUtil.createCdiUtil();
             final CategoryRepository repository = cdiUtil.findBean(
                 CategoryRepository.class);
-            if (id == null) {
+            final Category category;
-                return null;
+            if (selectedCatetoryIdStr == null) {
+                category = null;
             } else {
-                return repository.findById(Long.parseLong(id));
+                category = repository
+                    .findById(Long.parseLong(selectedCatetoryIdStr))
+                    .orElseThrow(() -> new UnexpectedErrorException(String
+                    .format("No Category with ID %s in the database.",
+                            selectedCatetoryIdStr)));
             }
+            return category;
         }
 
     }

ccm-cms/src/main/java/com/arsdigita/cms/ui/category/CategoryItemPane.java

@@ -32,12 +32,12 @@ import com.arsdigita.bebop.SingleSelectionModel;
 import com.arsdigita.bebop.form.Submit;
 import com.arsdigita.bebop.parameters.StringParameter;
 
-import com.arsdigita.bebop.util.GlobalizationUtil;
 import com.arsdigita.cms.ui.BaseItemPane;
 import com.arsdigita.cms.ui.CMSForm;
 import com.arsdigita.cms.ui.ContentItemPage;
 import com.arsdigita.cms.ui.VisibilityComponent;
 import com.arsdigita.cms.ui.templates.CategoryTemplates;
+import com.arsdigita.globalization.GlobalizedMessage;
 import com.arsdigita.kernel.KernelConfig;
 import com.arsdigita.toolbox.ui.ActionGroup;
 import com.arsdigita.toolbox.ui.Property;
@@ -45,7 +45,6 @@ import com.arsdigita.toolbox.ui.PropertyList;
 import com.arsdigita.toolbox.ui.Section;
 import com.arsdigita.xml.Element;
 
-import java.net.URLEncoder;
 import java.util.Optional;
 
 import org.apache.logging.log4j.LogManager;
@@ -56,12 +55,17 @@ import org.libreccm.categorization.CategoryManager;
 import org.libreccm.cdi.utils.CdiUtil;
 import org.libreccm.configuration.ConfigurationManager;
 import org.libreccm.core.CcmObject;
+import org.libreccm.l10n.GlobalizationHelper;
 import org.libreccm.security.PermissionChecker;
+import org.librecms.CmsConstants;
 import org.librecms.contentsection.ContentItem;
 import org.librecms.contentsection.ContentItemManager;
 import org.librecms.contentsection.privileges.AdminPrivileges;
 import org.librecms.contentsection.privileges.ItemPrivileges;
 
+import java.util.List;
+import java.util.Objects;
+
 /**
  * Edits a single category.
  *
@@ -100,7 +104,12 @@ class CategoryItemPane extends BaseItemPane {
                 if (!super.isVisible(state)) {
                     return false;
                 }
-                return !m_category.getCategory(state).getObjects().isEmpty();
+
+                final CdiUtil cdiUtil = CdiUtil.createCdiUtil();
+                final CategoryManager categoryManager = cdiUtil
+                    .findBean(CategoryManager.class);
+                final Category category = m_category.getCategory(state);
+                return categoryManager.hasObjects(category);
             }
 
         };
@@ -276,6 +285,7 @@ class CategoryItemPane extends BaseItemPane {
                        final BaseLink viewIndexItem,
                        final BaseLink editIndexItem,
                        final ActionLink orderItemsLink) {
+
             setHeading(new Label(gz("cms.ui.category.details")));
 
             final ActionGroup group = new ActionGroup();
@@ -295,36 +305,67 @@ class CategoryItemPane extends BaseItemPane {
         private class Properties extends PropertyList {
 
             @Override
-            protected final java.util.List properties(final PageState state) {
+            protected final java.util.List<Property> properties(
-                final java.util.List props = super.properties(state);
+                final PageState state) {
-                final Category category = m_category.getCategory(state);
 
-                String itemTitle = "None";
+                final java.util.List<Property> properties = super.properties(
+                    state);
+                final Category category = m_category
+                    .getCategory(state);
 
-                if (category != null) {
+                final String itemTitle;
-                    itemTitle = category.getDisplayName();
+
+                if (category == null) {
+                    itemTitle = "None";
+                } else {
+                    final CdiUtil cdiUtil = CdiUtil.createCdiUtil();
+                    final CategoryManager categoryManager = cdiUtil
+                        .findBean(CategoryManager.class);
+                    final List<CcmObject> indexObjects = categoryManager
+                        .getIndexObject(category);
+
+                    final Optional<ContentItem> indexItem = indexObjects
+                        .stream()
+                        .filter(obj -> obj instanceof ContentItem)
+                        .map(obj -> (ContentItem) obj)
+                        .findFirst();
+
+                    if (indexItem.isPresent()) {
+                        final GlobalizationHelper globalizationHelper = cdiUtil
+                            .findBean(GlobalizationHelper.class);
+
+                        final ContentItem item = indexItem.get();
+                        itemTitle = globalizationHelper
+                            .getValueFromLocalizedString(item.getTitle(),
+                                                         item::getDisplayName);
+
+                    } else {
+                        final CcmObject indexObj = indexObjects.get(0);
+                        itemTitle = Objects.toString(indexObj);
+                    }
                 }
 
-                props.add(new Property(gz("cms.ui.name"),
+                properties.add(new Property(gz("cms.ui.name"),
-                                       category.getName()));
+                                            category.getName()));
-                props.add(new Property(gz("cms.ui.description"),
+                properties.add(new Property(gz("cms.ui.description"),
-                                       category.getDescription().getValue()));
+                                            category.getDescription().getValue()));
-                props.add(new Property(gz("cms.ui.category.is_not_abstract"),
+                properties.add(new Property(
-                                       category.isAbstractCategory()
+                    gz("cms.ui.category.is_not_abstract"),
-                                           ? gz("cms.ui.no")
+                    category.isAbstractCategory()
-                                           : gz("cms.ui.yes")));
+                        ? gz("cms.ui.no")
-                props.add(new Property(gz("cms.ui.cateogry.is_visible"),
+                        : gz("cms.ui.yes")));
-                                       category.isVisible()
+                properties.add(new Property(gz("cms.ui.cateogry.is_visible"),
-                                           ? gz("cms.ui.yes")
+                                            category.isVisible()
-                                           : gz("cms.ui.no")));
+                                                ? gz("cms.ui.yes")
-                props.add(new Property(gz("cms.ui.category.is_enabled"),
+                                                : gz("cms.ui.no")));
-                                       category.isEnabled()
+                properties.add(new Property(gz("cms.ui.category.is_enabled"),
-                                           ? gz("cms.ui.yes")
+                                            category.isEnabled()
-                                           : gz("cms.ui.no")));
+                                                ? gz("cms.ui.yes")
-                props.add(new Property(gz("cms.ui.category.index_item"),
+                                                : gz("cms.ui.no")));
-                                       itemTitle));
+                properties.add(new Property(gz("cms.ui.category.index_item"),
+                                            itemTitle));
 
-                return props;
+                return properties;
             }
 
         }
@@ -398,7 +439,13 @@ class CategoryItemPane extends BaseItemPane {
 
         @Override
         public final boolean isVisible(final PageState state) {
-            return m_category.getCategory(state).getParentCategory().isVisible();
+
+            final Category category = m_category.getCategory(state);
+            if (category.getParentCategory() == null) {
+                return false;
+            } else {
+                return category.getParentCategory().isVisible();
+            }
         }
 
     }
@@ -567,17 +614,20 @@ class CategoryItemPane extends BaseItemPane {
         // the content. The prepareURL method is called by the printwriter
         @Override
         protected String prepareURL(final PageState state, String location) {
+
             final CdiUtil cdiUtil = CdiUtil.createCdiUtil();
             final CategoryManager manager = cdiUtil.findBean(
                 CategoryManager.class);
+            final Category category = m_category.getCategory(state);
 
-            ContentItem indexItem = (ContentItem) manager
+            final ContentItem indexItem = (ContentItem) manager
-                .getIndexObject(m_category.getCategory(state))
+                .getIndexObject(category)
                 .stream()
                 .findFirst()
                 .get();
-            return "/redirect/?oid=" + URLEncoder.encode(Long.toString(indexItem
+
-                .getObjectId()));
+            return String.format("/redirect/?oid=%s",
+                                 Long.toString(indexItem.getObjectId()));
         }
 
         // We only show this link when an index item exists for this category
@@ -586,13 +636,12 @@ class CategoryItemPane extends BaseItemPane {
             if (!super.isVisible(state)) {
                 return false;
             }
-            Category /*ACSObject*/ indexItem = m_category
+
-                    .getCategory(state);//.getDirectIndexObject();
+            final Category category = m_category.getCategory(state);
-            if (indexItem == null) {
+            final CdiUtil cdiUtil = CdiUtil.createCdiUtil();
-                return false;
+            final CategoryManager categoryManager = cdiUtil
-            } else {
+                .findBean(CategoryManager.class);
-                return true;
+            return categoryManager.hasIndexObject(category);
-            }
         }
 
     };
@@ -677,8 +726,9 @@ class CategoryItemPane extends BaseItemPane {
 
         public MoveLink(final Label label) {
             super(label);
-            alternativeLabel = new Label(GlobalizationUtil.globalize(
+            alternativeLabel = new Label(new GlobalizedMessage(
-                "cms.ui.category.cantmoved"));
+                "cms.ui.category.cantmoved",
+                CmsConstants.CMS_BUNDLE));
         }
 
         @Override

ccm-cms/src/main/java/com/arsdigita/cms/ui/category/CategoryLinks.java

@@ -30,10 +30,12 @@ import com.arsdigita.bebop.list.ListModelBuilder;
 import com.arsdigita.bebop.parameters.BigDecimalParameter;
 import com.arsdigita.bebop.util.GlobalizationUtil;
 import com.arsdigita.util.LockableImpl;
-import org.libreccm.categorization.Category;
 
-import java.util.Collection;
+import org.libreccm.categorization.Category;
-import java.util.HashSet;
+import org.libreccm.cdi.utils.CdiUtil;
+import org.libreccm.l10n.GlobalizationHelper;
+
+import java.util.ArrayList;
 
 /**
  * A List of all secondary parents of the current category.
@@ -81,13 +83,27 @@ public class CategoryLinks extends List {
     // Since this part is for non default parents, but there is only one... this is not needed anymore, i guess
     private class LinkedCategoryModelBuilder extends LockableImpl
             implements ListModelBuilder {
+        
+        @Override
         public ListModel makeModel(List list, PageState state) {
             final Category category = m_parent.getCategory(state);
 
             if (category != null && category.getParentCategory() != null) {
 
-                java.util.List<Category> categories = new java.util.ArrayList<>();
+                final CdiUtil cdiUtil = CdiUtil.createCdiUtil();
-                categories.add(category.getParentCategory());
+                final GlobalizationHelper globalizationHelper  =cdiUtil
+                .findBean(GlobalizationHelper.class);
+                final Category parent = category.getParentCategory();
+                
+                java.util.List<CategoryListItem> categories = new ArrayList<>();
+                final CategoryListItem parentItem = new CategoryListItem();
+                parentItem.setCategoryId(parent.getObjectId());
+                final String label = globalizationHelper
+                .getValueFromLocalizedString(parent.getTitle(),
+                                             parent::getName);
+                parentItem.setLabel(label);
+                
+                categories.add(parentItem);
 
                 return new CategoryListModel
                     (categories,

ccm-cms/src/main/java/com/arsdigita/cms/ui/category/CategoryListItem.java

@@ -0,0 +1,109 @@
+/*
+ * Copyright (C) 2017 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package com.arsdigita.cms.ui.category;
+
+import java.util.Objects;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+class CategoryListItem implements Comparable<CategoryListItem> {
+
+    private long categoryId;
+    private String label;
+
+    public long getCategoryId() {
+        return categoryId;
+    }
+
+    public void setCategoryId(final long categoryId) {
+        this.categoryId = categoryId;
+    }
+
+    public String getLabel() {
+        return label;
+    }
+
+    public void setLabel(final String label) {
+        this.label = label;
+    }
+
+    @Override
+    public int compareTo(final CategoryListItem other) {
+
+        final int result = label.compareTo(other.getLabel());
+        if (result == 0) {
+            return Long.compare(categoryId, other.getCategoryId());
+        } else {
+            return result;
+        }
+    }
+
+    @Override
+    public int hashCode() {
+        int hash = 7;
+        hash = 67 * hash + (int) (categoryId ^ (categoryId >>> 32));
+        hash = 67 * hash + Objects.hashCode(label);
+        return hash;
+    }
+
+    @Override
+    public boolean equals(final Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj == null) {
+            return false;
+        }
+        if (!(obj instanceof CategoryListItem)) {
+            return false;
+        }
+        final CategoryListItem other = (CategoryListItem) obj;
+        if (!other.canEqual(this)) {
+            return false;
+        }
+
+        if (categoryId != other.getCategoryId()) {
+            return false;
+        }
+        return Objects.equals(label, other.getLabel());
+    }
+
+    public boolean canEqual(final Object obj) {
+        return obj instanceof CategoryListItem;
+    }
+
+    @Override
+    public final String toString() {
+        return toString("");
+    }
+
+    public String toString(final String data) {
+        return String.format("%s{ "
+                                 + "categoryId = %d,"
+                                 + "label = \"%s\"%s"
+                                 + " }",
+                             super.toString(),
+                             categoryId,
+                             label,
+                             data);
+    }
+
+}

ccm-cms/src/main/java/com/arsdigita/cms/ui/category/CategoryListModel.java

@@ -19,8 +19,8 @@
 package com.arsdigita.cms.ui.category;
 
 import java.util.List;
+
 import com.arsdigita.bebop.list.ListModel;
-import org.libreccm.categorization.Category;
 
 import java.util.Iterator;
 
@@ -28,39 +28,44 @@ import java.util.Iterator;
  * A {@link ListModel} that iterates over categories via a cursor.
  *
  * @author <a href="mailto:yannick.buelter@yabue.de">Yannick Bülter</a>
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
-public final class CategoryListModel implements ListModel {
+class CategoryListModel implements ListModel {
-
-    private Category m_cat;
-    private long m_excludedID;
-    private Iterator<Category> iterator;
 
+    private final Iterator<CategoryListItem> iterator;
+    private CategoryListItem currentCategory;
+    private Long excludedCategoryId;
 
     /**
      * Constructs a new <code>CategoryListModel</code>
+     *
+     * @param categories
      */
-    public CategoryListModel(List<Category> coll) {
+    public CategoryListModel(final List<CategoryListItem> categories) {
-        this(coll, -1); //Hopefully a decent replacement for null in BigDecimal. Negative ids would be weird...
+        this(categories, null);
     }
 
     /**
      * Constructs a new <code>CategoryListModel</code>
      */
-    public CategoryListModel(List<Category> coll,
+    public CategoryListModel(final List<CategoryListItem> categories,
-                             long excludedID) {
+                             final Long excludedCategoryId) {
 
-        m_excludedID = excludedID;
+        iterator = categories.iterator();
-        m_cat = null;
+        this.excludedCategoryId = excludedCategoryId;
-        iterator = coll.iterator();
     }
 
+    @Override
     public boolean next() {
         if (iterator.hasNext()) {
-            final Category category = iterator.next();
+
-            if (Long.parseLong(category.getUniqueId()) == m_excludedID) {
+            final CategoryListItem next = iterator.next();
+            if (excludedCategoryId != null
+                    && next.getCategoryId() == excludedCategoryId) {
+
                 return next();
             } else {
-                m_cat = category;
+                currentCategory = next;
                 return true;
             }
         } else {
@@ -68,26 +73,19 @@ public final class CategoryListModel implements ListModel {
         }
     }
 
-    private Category getCategory() {
-        if ( m_cat == null ) {
-            throw new IllegalStateException("call next() first");
-        }
-        return m_cat;
-    }
-
     /**
-     * Reads the name of the category.
+     * Reads the label of the {@link CategoryListItem}.
+     *
      *
-     * Quasimodo:
-     * Modified to ensure that the value is read from Category (and not the
-     * localized version). This is necessary because we are in the admin GUI,
-     * a localized version would be confusing.
      */
+    @Override
     public Object getElement() {
-        return getCategory().getName();
+        return currentCategory.getLabel();
     }
 
+    @Override
     public String getKey() {
-        return getCategory().getUniqueId();
+        return Long.toString(currentCategory.getCategoryId());
     }
+
 }

ccm-cms/src/main/java/com/arsdigita/cms/ui/category/CategoryLocalizationTable.java

@@ -33,10 +33,14 @@ import com.arsdigita.bebop.table.TableModel;
 import com.arsdigita.bebop.table.TableModelBuilder;
 import com.arsdigita.bebop.util.GlobalizationUtil;
 import com.arsdigita.util.LockableImpl;
+
 import org.libreccm.categorization.Category;
 import org.libreccm.cdi.utils.CdiUtil;
+import org.libreccm.l10n.GlobalizationHelper;
+import org.libreccm.l10n.GlobalizedMessagesUtil;
 import org.libreccm.l10n.LocalizedString;
 import org.libreccm.security.PermissionChecker;
+import org.librecms.CmsConstants;
 import org.librecms.contentsection.privileges.AdminPrivileges;
 
 import java.math.BigDecimal;
@@ -54,18 +58,22 @@ import java.util.Locale;
  * @author Sören Bernstein <quasi@quasiweb.de>
  * @author <a href="mailto:yannick.buelter@yabue.de">Yannick Bülter</a>
  */
-public class CategoryLocalizationTable extends Table implements TableActionListener {
+public class CategoryLocalizationTable extends Table implements
+    TableActionListener {
+
+    private static final String TABLE_COL_LANG = "table_col_lang";
+    private static final String TABLE_COL_DEL = "table_col_del";
 
     private final CategoryRequestLocal m_category;
     private final SingleSelectionModel m_model;
-    private final String TABLE_COL_LANG = "table_col_lang";
-    private final String TABLE_COL_DEL = "table_col_del";
     private final SingleSelectionModel m_catLocale;
 
     /**
      * Creates a new instance of CategoryLocalizationTable
      */
-    public CategoryLocalizationTable(final CategoryRequestLocal category, final SingleSelectionModel model, SingleSelectionModel catLocale) {
+    public CategoryLocalizationTable(final CategoryRequestLocal category,
+                                     final SingleSelectionModel model,
+                                     final SingleSelectionModel catLocale) {
 
         super();
 
@@ -73,30 +81,52 @@ public class CategoryLocalizationTable extends Table implements TableActionListe
         m_model = model;
         m_catLocale = catLocale;
 
+        final CdiUtil cdiUtil = CdiUtil.createCdiUtil();
+        final GlobalizationHelper globalizationHelper = cdiUtil
+            .findBean(GlobalizationHelper.class);
+        final GlobalizedMessagesUtil messagesUtil = globalizationHelper
+            .getGlobalizedMessagesUtil(CmsConstants.CMS_BUNDLE);
+
         // if table is empty:
-        setEmptyView(new Label(GlobalizationUtil.globalize(
+        setEmptyView(new Label(messagesUtil
-                "cms.ui.category.localization_none")));
+            .getGlobalizedMessage("cms.ui.category.localization_none")));
-        TableColumnModel tab_model = getColumnModel();
+        final TableColumnModel columnModel = getColumnModel();
 
         // define columns
-        // XXX globalize
+        columnModel.add(new TableColumn(
-        tab_model.add(new TableColumn(0, GlobalizationUtil.globalize(
+            0,
-                "cms.ui.category.localization.locale").localize(), TABLE_COL_LANG));
+            messagesUtil.getGlobalizedMessage(
-        tab_model.add(new TableColumn(1, GlobalizationUtil.globalize(
+                "cms.ui.category.localization.locale")
-                "cms.ui.category.localization_name").localize()));
+                .localize(),
-        tab_model.add(new TableColumn(2, GlobalizationUtil.globalize(
+            TABLE_COL_LANG));
-                "cms.ui.category.localization_description").localize()));
+        columnModel.add(new TableColumn(
-        tab_model.add(new TableColumn(3, GlobalizationUtil.globalize(
+            1,
-                "cms.ui.category.localization_url").localize()));
+            messagesUtil
-        tab_model.add(new TableColumn(4, GlobalizationUtil.globalize(
+                .getGlobalizedMessage("cms.ui.category.localization_name")
-                "cms.ui.category.localization_action").localize(), TABLE_COL_DEL));
+                .localize()));
+        columnModel.add(new TableColumn(
+            2,
+            messagesUtil.getGlobalizedMessage(
+                "cms.ui.category.localization_description")
+                .localize()));
+        columnModel.add(new TableColumn(
+            3,
+            messagesUtil
+                .getGlobalizedMessage("cms.ui.category.localization_url")
+                .localize()));
+        columnModel.add(new TableColumn(
+            4,
+            messagesUtil
+                .getGlobalizedMessage("cms.ui.category.localization_action")
+                .localize(),
+            TABLE_COL_DEL));
 
-        setModelBuilder(new CategoryLocalizationTableModelBuilder());
+        super.setModelBuilder(new CategoryLocalizationTableModelBuilder());
 
-        tab_model.get(0).setCellRenderer(new EditCellRenderer());
+        columnModel.get(0).setCellRenderer(new EditCellRenderer());
-        tab_model.get(4).setCellRenderer(new DeleteCellRenderer());
+        columnModel.get(4).setCellRenderer(new DeleteCellRenderer());
 
-        addTableActionListener(this);
+        super.addTableActionListener(this);
 
     }
 
@@ -105,7 +135,7 @@ public class CategoryLocalizationTable extends Table implements TableActionListe
      *
      */
     private class CategoryLocalizationTableModelBuilder extends LockableImpl
-            implements TableModelBuilder {
+        implements TableModelBuilder {
 
         public TableModel makeModel(Table table, PageState state) {
             final Category category = m_category.getCategory(state);
@@ -116,6 +146,7 @@ public class CategoryLocalizationTable extends Table implements TableActionListe
                 return Table.EMPTY_MODEL;
             }
         }
+
     }
 
     /**
@@ -128,7 +159,8 @@ public class CategoryLocalizationTable extends Table implements TableActionListe
         private ArrayList<LocalizedString> localizedStringCollection;
         private LocalizedString m_categoryLocalization;
 
-        private CategoryLocalizationTableModel(Table t, PageState ps, Category category) {
+        private CategoryLocalizationTableModel(Table t, PageState ps,
+                                               Category category) {
             m_table = t;
             localizedStringCollection = new ArrayList<>();
             localizedStringCollection.add(category.getTitle());
@@ -194,41 +226,52 @@ public class CategoryLocalizationTable extends Table implements TableActionListe
             return null;
 //          return m_categoryLocalization.getID();
         }
+
     }
 
-    private class EditCellRenderer extends LockableImpl implements TableCellRenderer {
+    private class EditCellRenderer extends LockableImpl implements
+        TableCellRenderer {
 
         public Component getComponent(Table table, PageState state, Object value,
-                boolean isSelected, final Object key,
+                                      boolean isSelected, final Object key,
-                int row, int column) {
+                                      int row, int column) {
             final CdiUtil cdiUtil = CdiUtil.createCdiUtil();
-            final PermissionChecker permissionChecker = cdiUtil.findBean(PermissionChecker.class);
+            final PermissionChecker permissionChecker = cdiUtil.findBean(
+                PermissionChecker.class);
 
-            if (permissionChecker.isPermitted(AdminPrivileges.ADMINISTER_CATEGORIES, m_category.getCategory(state))) {
+            if (permissionChecker.isPermitted(
+                AdminPrivileges.ADMINISTER_CATEGORIES, m_category.getCategory(
+                    state))) {
                 return new ControlLink(value.toString());
             } else {
                 return new Label(GlobalizationUtil.globalize(value.toString()));
             }
         }
+
     }
 
-    private class DeleteCellRenderer extends LockableImpl implements TableCellRenderer {
+    private class DeleteCellRenderer extends LockableImpl implements
+        TableCellRenderer {
 
         public Component getComponent(Table table, PageState state, Object value,
-                boolean isSelected, Object key,
+                                      boolean isSelected, Object key,
-                int row, int column) {
+                                      int row, int column) {
             final CdiUtil cdiUtil = CdiUtil.createCdiUtil();
-            final PermissionChecker permissionChecker = cdiUtil.findBean(PermissionChecker.class);
+            final PermissionChecker permissionChecker = cdiUtil.findBean(
+                PermissionChecker.class);
 
-            if (permissionChecker.isPermitted(AdminPrivileges.ADMINISTER_CATEGORIES, m_category.getCategory(state))) {
+            if (permissionChecker.isPermitted(
+                AdminPrivileges.ADMINISTER_CATEGORIES, m_category.getCategory(
+                    state))) {
                 ControlLink link = new ControlLink(value.toString());
                 link.setConfirmation(GlobalizationUtil.globalize(
-                        "cms.ui.category.localization_confirm_delete"));
+                    "cms.ui.category.localization_confirm_delete"));
                 return link;
             } else {
                 return null;
             }
         }
+
     }
 
     /**
@@ -259,7 +302,6 @@ public class CategoryLocalizationTable extends Table implements TableActionListe
 //        if (col.getHeaderKey().toString().equals(TABLE_COL_DEL)) {
 //            category.delLanguage(categoryLocalization.getLocale());
 //        }
-
     }
 
     /**
@@ -269,4 +311,5 @@ public class CategoryLocalizationTable extends Table implements TableActionListe
     public void headSelected(TableActionEvent e) {
         throw new UnsupportedOperationException("Not Implemented");
     }
+
 }

ccm-cms/src/main/java/com/arsdigita/cms/ui/category/IndexItemSelectionForm.java

@@ -18,9 +18,17 @@
  */
 package com.arsdigita.cms.ui.category;
 
-import com.arsdigita.bebop.*;
+import com.arsdigita.bebop.ColumnPanel;
-import com.arsdigita.bebop.event.FormProcessListener;
+import com.arsdigita.bebop.Form;
+import com.arsdigita.bebop.FormData;
+import com.arsdigita.bebop.FormProcessException;
+import com.arsdigita.bebop.Label;
+import com.arsdigita.bebop.Link;
+import com.arsdigita.bebop.PageState;
+import com.arsdigita.bebop.SaveCancelSection;
+import com.arsdigita.bebop.Text;
 import com.arsdigita.bebop.event.FormSectionEvent;
+import com.arsdigita.bebop.event.PrintEvent;
 import com.arsdigita.bebop.form.FormErrorDisplay;
 import com.arsdigita.bebop.form.Option;
 import com.arsdigita.bebop.form.RadioGroup;
@@ -28,182 +36,223 @@ import com.arsdigita.bebop.form.Submit;
 import com.arsdigita.bebop.parameters.ParameterData;
 import com.arsdigita.bebop.parameters.StringParameter;
 
-import com.arsdigita.bebop.util.GlobalizationUtil;
 import com.arsdigita.cms.CMS;
 import com.arsdigita.cms.ui.CMSForm;
 import com.arsdigita.cms.ui.FormSecurityListener;
-import com.arsdigita.util.Assert;
+
-import com.arsdigita.util.UncheckedWrapperException;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
-import org.libreccm.categorization.*;
+import org.libreccm.categorization.Category;
+import org.libreccm.categorization.CategoryManager;
+import org.libreccm.categorization.CategoryRepository;
+import org.libreccm.categorization.ObjectNotAssignedToCategoryException;
+
 import org.libreccm.cdi.utils.CdiUtil;
 import org.libreccm.core.CcmObject;
-import org.librecms.contentsection.*;
+import org.libreccm.core.UnexpectedErrorException;
+import org.libreccm.l10n.GlobalizationHelper;
+import org.libreccm.l10n.GlobalizedMessagesUtil;
+import org.librecms.CmsConstants;
+import org.librecms.contentsection.ContentItem;
+import org.librecms.contentsection.ContentItemManager;
+import org.librecms.contentsection.ContentItemRepository;
+import org.librecms.contentsection.ContentSection;
+import org.librecms.contentsection.ContentSectionManager;
+
 import org.librecms.contentsection.privileges.AdminPrivileges;
 import org.librecms.dispatcher.ItemResolver;
 
+import java.util.List;
 import java.util.Optional;
+import java.util.TooManyListenersException;
 
 /**
  * Allows the user to select an index item to display when the front end user is
  * browsing by Category
  *
  * @author Randy Graebner (randyg@alum.mit.edu)
- * @author <a href="mailto:yannick.buelter@yabue.de">Yannick Bülter</a> +
+ * @author <a href="mailto:yannick.buelter@yabue.de">Yannick Bülter</a>
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 public class IndexItemSelectionForm extends CMSForm {
 
     private static final Logger LOGGER = LogManager.getLogger(
         IndexItemSelectionForm.class);
 
-    private final CategoryRequestLocal m_category;
-    private RadioGroup m_options;
     private static final String NULL_OPTION_VALUE = "";
     private static final String NONE_OPTION_VALUE = "None";
 
-    private SaveCancelSection m_saveCancelSection;
+    private final CategoryRequestLocal selectedCategory;
+    private RadioGroup optionsGroup;
+    private final SaveCancelSection saveCancelSection;
+
+    public IndexItemSelectionForm(final CategoryRequestLocal selectedCategory) {
 
-    public IndexItemSelectionForm(CategoryRequestLocal m) {
         super("EditCategory");
+        super.setMethod(Form.POST);
+
+        this.selectedCategory = selectedCategory;
 
         final CdiUtil cdiUtil = CdiUtil.createCdiUtil();
-        final ContentSectionManager sectionManager = cdiUtil.findBean(
+        final GlobalizationHelper globalizationHelper = cdiUtil
-            ContentSectionManager.class);
+            .findBean(GlobalizationHelper.class);
-        final CategoryManager categoryManager = cdiUtil.findBean(
+        final GlobalizedMessagesUtil messagesUtil = globalizationHelper
-            CategoryManager.class);
+            .getGlobalizedMessagesUtil(CmsConstants.CMS_BUNDLE);
-        final CategoryRepository categoryRepository = cdiUtil.findBean(
-            CategoryRepository.class);
-        final ContentItemManager contentItemManager = cdiUtil.findBean(
-            ContentItemManager.class);
-        final ContentItemRepository contentItemRepository = cdiUtil.findBean(
-            ContentItemRepository.class);
-
-        setMethod(Form.POST);
-
-        m_category = m;
 
         // Form header
-        Label header = new Label(GlobalizationUtil.globalize(
+        final Label header = new Label(messagesUtil
-            "cms.ui.category.select_index_item"));
+            .getGlobalizedMessage("cms.ui.category.select_index_item"));
         header.setFontWeight(Label.BOLD);
-        add(header, ColumnPanel.FULL_WIDTH);
+        super.add(header, ColumnPanel.FULL_WIDTH);
 
         // Form errors
-        FormErrorDisplay m_errors = new FormErrorDisplay(this);
+        final FormErrorDisplay errorsDisplay = new FormErrorDisplay(this);
-        add(m_errors, ColumnPanel.FULL_WIDTH);
+        super.add(errorsDisplay, ColumnPanel.FULL_WIDTH);
 
         // Option Group
-        m_options = new RadioGroup(new StringParameter("items"));
+        optionsGroup = new RadioGroup(new StringParameter("items"));
         try {
-            m_options.addPrintListener(event -> {
+            optionsGroup.addPrintListener(this::printOptionsGroup);
-                RadioGroup group = (RadioGroup) event.getTarget();
+        } catch (TooManyListenersException ex) {
-                PageState state = event.getPageState();
+            LOGGER.error("Error adding init listener to Radio Group", ex);
-                Category category = getCategory(event.getPageState());
+            throw new UnexpectedErrorException(ex);
-                java.util.List<Categorization> children = category.getObjects();
-
-                group.clearOptions();
-
-                // option for NO index Object
-                group.addOption(new Option(NONE_OPTION_VALUE,
-                                           new Label(GlobalizationUtil
-                                               .globalize(
-                                                   "cms.ui.category.non_option"))));
-
-                // option for inheriting from the parent category
-                if (category.getParentCategory() != null) {
-                    group.addOption(new Option(NULL_OPTION_VALUE,
-                                               new Label(GlobalizationUtil
-                                                   .globalize(
-                                                       "cms.ui.category.inherit_parent"))));
-                }
-
-                final ContentSection section = CMS.getContext()
-                    .getContentSection();
-                final ItemResolver itemResolver = sectionManager
-                    .getItemResolver(
-                        section);
-                for (Categorization child : children) {
-                    ContentItem item = (ContentItem) child
-                        .getCategorizedObject();
-                    Link link = new Link(
-                        new Text(item.getDisplayName()),
-                        itemResolver.generateItemURL(
-                            state,
-                            item.getObjectId(),
-                            item.getDisplayName(),
-                            section,
-                            item.getVersion().name()
-                        )
-                    );
-                    Component linkComponent = link;
-                    //add the option with the link
-                    group.addOption(new Option(item.getItemUuid(),
-                                               linkComponent));
-                }
-
-                // get currently selected item
-                Optional<CcmObject> optionalIndexObject = categoryManager
-                    .getIndexObject(category)
-                    .stream()
-                    .findFirst();
-                if (optionalIndexObject.isPresent()) {
-                    ContentItem indexItem = (ContentItem) optionalIndexObject
-                        .get();
-                    group.setValue(
-                        state,
-                        contentItemManager.getDraftVersion(indexItem,
-                                                           ContentItem.class)
-                            .getItemUuid()
-                    );
-                } else {
-                    String value = category.getParentCategory() != null
-                                       ? NULL_OPTION_VALUE
-                                       : NONE_OPTION_VALUE;
-                    group.setValue(state, value);
-                }
-            });
-        } catch (java.util.TooManyListenersException e) {
-            LOGGER.error("Error adding init listener to Radio Group", e);
-            throw new UncheckedWrapperException(e);
         }
-        m_options.setLayout(RadioGroup.VERTICAL);
+        optionsGroup.setLayout(RadioGroup.VERTICAL);
-        add(m_options);
+        super.add(optionsGroup);
 
         // Save and cancel buttons
-        m_saveCancelSection = new SaveCancelSection();
+        saveCancelSection = new SaveCancelSection();
-        add(m_saveCancelSection, ColumnPanel.FULL_WIDTH | ColumnPanel.LEFT);
+        super.add(saveCancelSection, ColumnPanel.FULL_WIDTH | ColumnPanel.LEFT);
 
-        addSubmissionListener(new FormSecurityListener(
+        super.addSubmissionListener(new FormSecurityListener(
             AdminPrivileges.ADMINISTER_CATEGORIES));
 
         // Process listener
-        addProcessListener(event -> {
+        super.addProcessListener(this::process);
-            PageState state = event.getPageState();
+    }
-            FormData data = event.getFormData();
-            ParameterData param = data.getParameter(m_options
-                .getParameterModel().getName());
-            String selectedValue = (String) param.getValue();
 
-            Category category
+    private void printOptionsGroup(final PrintEvent event) {
-                         = getCategory(event.getPageState());
 
-            if (selectedValue != null) {
+        final RadioGroup group = (RadioGroup) event.getTarget();
-                Optional<ContentItem> optionalItem = contentItemRepository
+        final PageState state = event.getPageState();
-                    .findById(Long.parseLong(selectedValue));
+        final Category category = getCategory(event.getPageState());
-                if (optionalItem.isPresent()) {
+
-                    ContentItem item = contentItemManager.getDraftVersion(
+        final CdiUtil cdiUtil = CdiUtil.createCdiUtil();
-                        optionalItem.get(), ContentItem.class);
+        final CategoryAdminController controller = cdiUtil
-                    try {
+            .findBean(CategoryAdminController.class);
-                        categoryManager.setIndexObject(category, item);
+        final ContentItemManager itemManager = cdiUtil
-                        categoryRepository.save(category);
+            .findBean(ContentItemManager.class);
-                    } catch (ObjectNotAssignedToCategoryException e) {
+        final CategoryManager categoryManager = cdiUtil
-                        throw new FormProcessException(e);
+            .findBean(CategoryManager.class);
-                    }
+        final ContentSectionManager sectionManager = cdiUtil
+            .findBean(ContentSectionManager.class);
+        final GlobalizationHelper globalizationHelper = cdiUtil
+            .findBean(GlobalizationHelper.class);
+        final GlobalizedMessagesUtil messagesUtil = globalizationHelper
+            .getGlobalizedMessagesUtil(CmsConstants.CMS_BUNDLE);
+
+        group.clearOptions();
+
+        // option for NO index Object
+        group.addOption(
+            new Option(NONE_OPTION_VALUE,
+                       new Label(messagesUtil
+                           .getGlobalizedMessage("cms.ui.category.non_option"))));
+
+        // option for inheriting from the parent category
+        if (category.getParentCategory() != null) {
+            group.addOption(
+                new Option(NULL_OPTION_VALUE,
+                           new Label(messagesUtil
+                               .getGlobalizedMessage(
+                                   "cms.ui.category.inherit_parent"))));
+        }
+
+        final ContentSection section = CMS.getContext()
+            .getContentSection();
+        final ItemResolver itemResolver = sectionManager
+            .getItemResolver(section);
+
+        final List<ContentItem> assignedItems = controller
+            .retrieveAssignedContentItems(category);
+        for (final ContentItem item : assignedItems) {
+
+            final Link link = new Link(
+                new Text(item.getDisplayName()),
+                itemResolver.generateItemURL(
+                    state,
+                    item.getObjectId(),
+                    item.getDisplayName(),
+                    section,
+                    item.getVersion().name()
+                )
+            );
+            //add the option with the link
+            group.addOption(new Option(Long.toString(item.getObjectId()), link));
+        }
+
+        // get currently selected item
+        final Optional<CcmObject> optionalIndexObject = categoryManager
+            .getIndexObject(category)
+            .stream()
+            .findFirst();
+        if (optionalIndexObject.isPresent()) {
+            final ContentItem indexItem
+                                  = (ContentItem) optionalIndexObject
+                    .get();
+            final ContentItem liveItem = itemManager
+                .getLiveVersion(indexItem, ContentItem.class)
+                .get();
+            group.setValue(
+                state,
+                Long.toString(liveItem.getObjectId()));
+        } else {
+            final String value;
+            if (category.getParentCategory() == null) {
+                value = NULL_OPTION_VALUE;
+            } else {
+                value = NONE_OPTION_VALUE;
+            }
+            group.setValue(state, value);
+        }
+    }
+
+    private void process(final FormSectionEvent event)
+        throws FormProcessException {
+
+        final FormData data = event.getFormData();
+        final ParameterData param = data
+            .getParameter(optionsGroup.getParameterModel().getName());
+        final String selectedValue = (String) param.getValue();
+
+        final Category category = getCategory(event.getPageState());
+
+        final CdiUtil cdiUtil = CdiUtil.createCdiUtil();
+        final CategoryManager categoryManager = cdiUtil
+            .findBean(CategoryManager.class);
+        final CategoryRepository categoryRepository = cdiUtil
+            .findBean(CategoryRepository.class);
+        final ContentItemManager contentItemManager = cdiUtil
+            .findBean(ContentItemManager.class);
+        final ContentItemRepository contentItemRepository = cdiUtil
+            .findBean(ContentItemRepository.class);
+
+        if (selectedValue != null) {
+            final Optional<ContentItem> optionalItem = contentItemRepository
+                .findById(Long.parseLong(selectedValue));
+            if (optionalItem.isPresent()) {
+                final ContentItem item = contentItemManager
+                    .getLiveVersion(optionalItem.get(),
+                                    ContentItem.class)
+                    .get();
+                try {
+                    categoryManager.setIndexObject(category, item);
+                    categoryRepository.save(category);
+                } catch (ObjectNotAssignedToCategoryException ex) {
+                    throw new FormProcessException(ex);
                 }
             }
-
+        }
-        });
     }
 
     /**
@@ -212,7 +261,7 @@ public class IndexItemSelectionForm extends CMSForm {
      * @return The cancel button
      */
     protected Submit getCancelButton() {
-        return m_saveCancelSection.getCancelButton();
+        return saveCancelSection.getCancelButton();
     }
 
     /**
@@ -224,9 +273,8 @@ public class IndexItemSelectionForm extends CMSForm {
      *
      * @pre ( state != null )
      */
-    protected Category getCategory(PageState state) {
+    protected Category getCategory(final PageState state) {
-        Category category = m_category.getCategory(state);
+        return selectedCategory.getCategory(state);
-        return category;
     }
 
 }

ccm-cms/src/main/java/com/arsdigita/cms/ui/category/SubcategoryList.java

@@ -23,66 +23,113 @@ import com.arsdigita.bebop.List;
 import com.arsdigita.bebop.PageState;
 import com.arsdigita.bebop.SingleSelectionModel;
 import com.arsdigita.bebop.event.ActionEvent;
-import com.arsdigita.bebop.event.ActionListener;
 import com.arsdigita.bebop.list.ListModel;
 import com.arsdigita.bebop.list.ListModelBuilder;
 import com.arsdigita.bebop.util.GlobalizationUtil;
 import com.arsdigita.util.LockableImpl;
+
 import org.libreccm.categorization.Category;
+import org.libreccm.categorization.CategoryManager;
+import org.libreccm.cdi.utils.CdiUtil;
 
 /**
  * A List of all subcategories of the current category.
  *
- * @author <a href="mailto:yannick.buelter@yabue.de">Yannick Bülter</a>
+ *
  * @author Stanislav Freidin (stas@arsdigita.com)
  * @author Michael Pih (pihman@arsdigita.com)
- * @version $Revision: #15 $ $DateTime: 2004/08/17 23:15:09 $
+ * @author <a href="mailto:yannick.buelter@yabue.de">Yannick Bülter</a>
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 public class SubcategoryList extends SortableCategoryList {
-    private final CategoryRequestLocal m_parent;
-    private final SingleSelectionModel m_model;
 
-    public SubcategoryList(final CategoryRequestLocal parent,
+    private final CategoryRequestLocal parentCategory;
-                           final SingleSelectionModel model) {
+    private final SingleSelectionModel<String> selectedCategoryId;
-        super(parent);
 
-        m_parent = parent;
+    public SubcategoryList(
-        m_model = model;
+        final CategoryRequestLocal parentCategory,
+        final SingleSelectionModel<String> selectedCategoryId) {
 
-        setIdAttr("subcategories_list");
+        super(parentCategory);
+
+        this.parentCategory = parentCategory;
+        this.selectedCategoryId = selectedCategoryId;
+
+        super.setIdAttr("subcategories_list");
 
         setModelBuilder(new SubcategoryModelBuilder());
 
         // Select the category in the main tree when the
         // user selects it here
-        addActionListener(new ActionListener() {
+        super.addActionListener(this::actionPerformed);
-                public void actionPerformed(ActionEvent event) {
-                    final PageState state = event.getPageState();
-                    final String id = (String) getSelectedKey(state);
 
-                    if (id != null) {
+        Label label = new Label(GlobalizationUtil.globalize(
-                        m_model.setSelectedKey(state, id);
+            "cms.ui.category.subcategory.none"));
-                    }
-                }
-            });
-
-        Label label = new Label(GlobalizationUtil.globalize
-                                ("cms.ui.category.subcategory.none"));
         label.setFontWeight(Label.ITALIC);
         setEmptyView(label);
     }
 
-    private class SubcategoryModelBuilder extends LockableImpl
+    /**
-            implements ListModelBuilder {
+     * Select the category in the main tree when the user selects it here
-        public ListModel makeModel(List list, PageState state) {
+     *
-            final Category category = m_parent.getCategory(state);
+     * @param event
+     */
+    private void actionPerformed(final ActionEvent event) {
+
+        final PageState state = event.getPageState();
+        final String categoryId = (String) getSelectedKey(state);
+
+        if (categoryId != null) {
+            selectedCategoryId.setSelectedKey(state, categoryId);
+        }
+    }
+
+    public ListModel makeMake(final List list, final PageState state) {
+        final CdiUtil cdiUtil = CdiUtil.createCdiUtil();
+        final CategoryManager categoryManager = cdiUtil
+            .findBean(CategoryManager.class);
+        final Category category = parentCategory.getCategory(state);
+
+        if (category != null
+                && categoryManager.hasSubCategories(category)) {
+
+            final CategoryAdminController controller = cdiUtil.findBean(
+                CategoryAdminController.class);
+            final java.util.List<CategoryListItem> children = controller
+                .generateSubCategoryList(category);
+
+            return new CategoryListModel(children);
+        } else {
+            return List.EMPTY_MODEL;
+        }
+
+    }
+
+    private class SubcategoryModelBuilder extends LockableImpl
+        implements ListModelBuilder {
+
+        @Override
+        public ListModel makeModel(final List list, final PageState state) {
+
+            final CdiUtil cdiUtil = CdiUtil.createCdiUtil();
+            final CategoryManager categoryManager = cdiUtil
+                .findBean(CategoryManager.class);
+            final Category category = parentCategory.getCategory(state);
+
+            if (category != null
+                    && categoryManager.hasSubCategories(category)) {
+
+                final CategoryAdminController controller = cdiUtil.findBean(
+                    CategoryAdminController.class);
+                final java.util.List<CategoryListItem> children = controller
+                    .generateSubCategoryList(category);
 
-            if (category != null && !category.getSubCategories().isEmpty()) {
-                java.util.List<Category> children = category.getSubCategories();
                 return new CategoryListModel(children);
             } else {
                 return List.EMPTY_MODEL;
             }
         }
+
     }
+
 }