Merged V2.1 to HEAD

6383: ML contributions
   6400: AR-1625 Empty translations track pivot translation


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@6406 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/web/bean/ml/MultilingualUtils.java

@@ -0,0 +1,154 @@
+/*
+ * Copyright (C) 2005-2007 Alfresco Software Limited.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program 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 General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+ * As a special exception to the terms and conditions of version 2.0 of
+ * the GPL, you may redistribute this Program in connection with Free/Libre
+ * and Open Source Software ("FLOSS") applications as described in Alfresco's
+ * FLOSS exception.  You should have recieved a copy of the text describing
+ * the FLOSS exception, and it is also available here:
+ * http://www.alfresco.com/legal/licensing"
+ */
+package org.alfresco.web.bean.ml;
+
+import java.util.Locale;
+import java.util.Map;
+
+import javax.faces.context.FacesContext;
+
+import org.alfresco.model.ContentModel;
+import org.alfresco.service.cmr.ml.MultilingualContentService;
+import org.alfresco.service.cmr.repository.NodeRef;
+import org.alfresco.service.cmr.repository.NodeService;
+import org.alfresco.service.cmr.security.PermissionService;
+import org.alfresco.web.app.servlet.FacesHelper;
+import org.alfresco.web.bean.repository.Node;
+
+/**
+ * Util class for the management of multilingual documents on the web client side
+ *
+ * @author yanipig
+ */
+public class MultilingualUtils
+{
+
+    /**
+     * Returns true if the current user has enough right to add a content to the space
+     * where the pivot translation is located in.
+     *
+     * @param multlingualDocument
+     * @param fc
+     * @return
+     */
+    public static boolean canAddChildrenToPivotSpace(Node multlingualDocument, FacesContext fc)
+    {
+        MultilingualContentService mlservice = getMultilingualContentService(fc);
+        NodeService nodeService = getNodeService(fc);
+
+        // get the pivot translation and get the space where it's located
+        NodeRef pivot = mlservice.getPivotTranslation(multlingualDocument.getNodeRef());
+        NodeRef space = nodeService.getPrimaryParent(pivot).getParentRef();
+
+        // return if the current user can add a content to the space of the pivot
+        return new Node(space).hasPermission(PermissionService.ADD_CHILDREN);
+    }
+
+    /**
+     * Returns true if the current user can delete each translation of the mlContainer of the given node
+     *
+     * @param multlingualDocument
+     * @param fc
+     * @return
+     */
+    public static boolean canDeleteEachTranslation(Node multlingualDocument, FacesContext fc)
+    {
+        boolean can = true;
+
+        MultilingualContentService mlservice = getMultilingualContentService(fc);
+
+        Map<Locale, NodeRef> translations = mlservice.getTranslations(multlingualDocument.getNodeRef());
+        for (Map.Entry<Locale, NodeRef> entry : translations.entrySet())
+        {
+            Node translation = new Node(entry.getValue());
+
+            if(translation.hasPermission(PermissionService.DELETE_NODE) == false
+                    || translation.isLocked() == true
+                    || translation.hasAspect(ContentModel.ASPECT_WORKING_COPY) == true
+                )
+            {
+                can = false;
+                break;
+            }
+        }
+
+        return can;
+    }
+
+    /**
+     * Returns true if the current user can move each translation of the mlContainer of the given node
+     *
+     * @param multlingualDocument
+     * @param fc
+     * @return
+     */
+    public static boolean canMoveEachTranslation(Node multlingualDocument, FacesContext fc)
+    {
+        boolean can = true;
+
+        MultilingualContentService mlservice = getMultilingualContentService(fc);
+
+        Map<Locale, NodeRef> translations = mlservice.getTranslations(multlingualDocument.getNodeRef());
+        for (Map.Entry<Locale, NodeRef> entry : translations.entrySet())
+        {
+            Node translation = new Node(entry.getValue());
+
+            if(translation.hasPermission(PermissionService.DELETE_NODE) == false)
+            {
+                can = false;
+                break;
+            }
+        }
+
+        return can;
+    }
+
+    /**
+     * Returns true if the current user can delete each translation and create
+ *   * a new content in the space
+     *
+     * @param multlingualDocument
+     * @param fc
+     * @return
+     */
+    public static boolean canStartNewEditon(Node multlingualDocument, FacesContext fc)
+    {
+        boolean canDelete = MultilingualUtils.canMoveEachTranslation(multlingualDocument, fc);
+        boolean canCreate = MultilingualUtils.canAddChildrenToPivotSpace(multlingualDocument, fc);
+
+        return canDelete && canCreate;
+    }
+
+    private static MultilingualContentService getMultilingualContentService(FacesContext fc)
+    {
+        return (MultilingualContentService) FacesHelper.getManagedBean(fc, "MultilingualContentService");
+    }
+
+    private static NodeService getNodeService(FacesContext fc)
+    {
+        return (NodeService) FacesHelper.getManagedBean(fc, "NodeService");
+    }
+
+}