org.argeo.cms.e4/src/org/argeo/cms/e4/jcr/handlers/RenameNode.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.Session;
  24
  25 import org.argeo.cms.e4.jcr.JcrBrowserView;
  26 import org.argeo.cms.ui.jcr.model.SingleJcrNodeElem;
  27 import org.argeo.eclipse.ui.EclipseUiException;
  28 import org.argeo.eclipse.ui.dialogs.SingleValue;
  29 import org.argeo.jcr.JcrUtils;
  30 import org.eclipse.e4.core.di.annotations.Execute;
  31 import org.eclipse.e4.ui.model.application.ui.basic.MPart;
  32 import org.eclipse.e4.ui.services.IServiceConstants;
  33 import org.eclipse.e4.ui.workbench.modeling.EPartService;
  34 import org.eclipse.e4.ui.workbench.modeling.ESelectionService;
  35
  36 /**
  37  * Canonically call JCR Session#move(String, String) on the first element
  38  * returned by HandlerUtil#getActiveWorkbenchWindow()
  39  * (...getActivePage().getSelection()), if it is a {@link SingleJcrNodeElem}.
  40  * The user must then fill a new name in and confirm
  41  */
  42 public class RenameNode {
  43         @Execute
  44         public void execute(@Named(IServiceConstants.ACTIVE_PART) MPart part, EPartService partService,
  45                         ESelectionService selectionService) {
  46                 List<?> selection = (List<?>) selectionService.getSelection();
  47                 if (selection == null || selection.size() != 1)
  48                         return;
  49                 JcrBrowserView view = (JcrBrowserView) part.getObject();
  50
  51                 Object element = selection.get(0);
  52                 if (element instanceof SingleJcrNodeElem) {
  53                         SingleJcrNodeElem sjn = (SingleJcrNodeElem) element;
  54                         Node node = sjn.getNode();
  55                         Session session = null;
  56                         String newName = null;
  57                         String oldPath = null;
  58                         try {
  59                                 newName = SingleValue.ask("New node name", "Please provide a new name for [" + node.getName() + "]");
  60                                 // TODO sanity check and user feedback
  61                                 newName = JcrUtils.replaceInvalidChars(newName);
  62                                 oldPath = node.getPath();
  63                                 session = node.getSession();
  64                                 session.move(oldPath, JcrUtils.parentPath(oldPath) + "/" + newName);
  65                                 session.save();
  66
  67                                 // Manually refresh the browser view. Must be enhanced
  68                                 view.refresh(sjn);
  69                         } catch (RepositoryException e) {
  70                                 throw new EclipseUiException("Unable to rename " + node + " to " + newName, e);
  71                         }
  72                 }
  73         }
  74 }