org.argeo.cms.e4/src/org/argeo/cms/e4/jcr/handlers/AddFolderNode.java

   1 /*
   2  * Copyright (C) 2007-2012 Argeo GmbH
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *         http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.argeo.cms.e4.jcr.handlers;
  17
  18 import java.util.List;
  19
  20 import javax.inject.Named;
  21 import javax.jcr.Node;
  22 import javax.jcr.RepositoryException;
  23 import javax.jcr.nodetype.NodeType;
  24
  25 import org.argeo.cms.e4.jcr.JcrBrowserView;
  26 import org.argeo.cms.ui.jcr.model.SingleJcrNodeElem;
  27 import org.argeo.cms.ui.jcr.model.WorkspaceElem;
  28 import org.argeo.eclipse.ui.TreeParent;
  29 import org.argeo.eclipse.ui.dialogs.ErrorFeedback;
  30 import org.argeo.eclipse.ui.dialogs.SingleValue;
  31 import org.eclipse.e4.core.di.annotations.Execute;
  32 import org.eclipse.e4.ui.model.application.ui.basic.MPart;
  33 import org.eclipse.e4.ui.services.IServiceConstants;
  34 import org.eclipse.e4.ui.workbench.modeling.ESelectionService;
  35
  36 /**
  37  * Adds a node of type nt:folder, only on {@link SingleJcrNodeElem} and
  38  * {@link WorkspaceElem} TreeObject types.
  39  *
  40  * This handler assumes that a selection provider is available and picks only
  41  * first selected item. It is UI's job to enable the command only when the
  42  * selection contains one and only one element. Thus no parameter is passed
  43  * through the command.
  44  */
  45 public class AddFolderNode {
  46         @Execute
  47         public void execute(@Named(IServiceConstants.ACTIVE_PART) MPart part, ESelectionService selectionService) {
  48                 List<?> selection = (List<?>) selectionService.getSelection();
  49                 JcrBrowserView view = (JcrBrowserView) part.getObject();
  50
  51                 if (selection != null && selection.size() == 1) {
  52                         TreeParent treeParentNode = null;
  53                         Node jcrParentNode = null;
  54                         Object obj = selection.get(0);
  55
  56                         if (obj instanceof SingleJcrNodeElem) {
  57                                 treeParentNode = (TreeParent) obj;
  58                                 jcrParentNode = ((SingleJcrNodeElem) treeParentNode).getNode();
  59                         } else if (obj instanceof WorkspaceElem) {
  60                                 treeParentNode = (TreeParent) obj;
  61                                 jcrParentNode = ((WorkspaceElem) treeParentNode).getRootNode();
  62                         } else
  63                                 return;
  64
  65                         String folderName = SingleValue.ask("Folder name", "Enter folder name");
  66                         if (folderName != null) {
  67                                 try {
  68                                         jcrParentNode.addNode(folderName, NodeType.NT_FOLDER);
  69                                         jcrParentNode.getSession().save();
  70                                         view.nodeAdded(treeParentNode);
  71                                 } catch (RepositoryException e) {
  72                                         ErrorFeedback.show("Cannot create folder " + folderName + " under " + treeParentNode, e);
  73                                 }
  74                         }
  75                 } else {
  76                         // ErrorFeedback.show(WorkbenchUiPlugin
  77                         // .getMessage("errorUnvalidNtFolderNodeType"));
  78                         ErrorFeedback.show("Invalid NT folder node type");
  79                 }
  80         }
  81
  82 }