org.argeo.slc.client.ui/src/org/argeo/slc/client/ui/commands/RenameResultNode.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.slc.client.ui.commands;
  17
  18 import javax.jcr.Node;
  19 import javax.jcr.Property;
  20 import javax.jcr.RepositoryException;
  21 import javax.jcr.Session;
  22
  23 import org.argeo.eclipse.ui.dialogs.SingleValue;
  24 import org.argeo.jcr.JcrUtils;
  25 import org.argeo.slc.SlcException;
  26 import org.argeo.slc.client.ui.ClientUiPlugin;
  27 import org.argeo.slc.client.ui.model.SingleResultNode;
  28 import org.eclipse.core.commands.AbstractHandler;
  29 import org.eclipse.core.commands.ExecutionEvent;
  30 import org.eclipse.core.commands.ExecutionException;
  31 import org.eclipse.jface.dialogs.MessageDialog;
  32 import org.eclipse.jface.resource.ImageDescriptor;
  33 import org.eclipse.jface.viewers.IStructuredSelection;
  34 import org.eclipse.swt.widgets.Display;
  35 import org.eclipse.ui.handlers.HandlerUtil;
  36
  37 /**
  38  * Rename a node of type SlcType.SLC_RESULT_FOLDER by moving it.
  39  */
  40
  41 public class RenameResultNode extends AbstractHandler {
  42         public final static String ID = ClientUiPlugin.ID + ".renameResultNode";
  43         public final static ImageDescriptor DEFAULT_IMG_DESCRIPTOR = ClientUiPlugin
  44                         .getImageDescriptor("icons/rename.png");
  45         public final static String DEFAULT_LABEL = "Rename result";
  46
  47         public Object execute(ExecutionEvent event) throws ExecutionException {
  48                 IStructuredSelection selection = (IStructuredSelection) HandlerUtil
  49                                 .getActiveWorkbenchWindow(event).getActivePage().getSelection();
  50
  51                 // Sanity check, already done when populating the corresponding popup
  52                 // menu.
  53                 if (selection != null && selection.size() == 1) {
  54                         Object obj = selection.getFirstElement();
  55                         try {
  56                                 if (obj instanceof SingleResultNode) {
  57                                         SingleResultNode rf = (SingleResultNode) obj;
  58                                         Node sourceNode = rf.getNode();
  59                                         String folderName = SingleValue.ask("Rename result",
  60                                                         "Enter a new result name");
  61                                         if (folderName != null) {
  62
  63                                                 if (sourceNode.getParent().hasNode(folderName)) {
  64                                                         MessageDialog
  65                                                                         .openError(Display.getDefault()
  66                                                                                         .getActiveShell(), "Error",
  67                                                                                         "Another object with the same name already exists.");
  68                                                         return null;
  69                                                 }
  70
  71                                                 String sourcePath = sourceNode.getPath();
  72                                                 String targetPath = JcrUtils.parentPath(sourcePath)
  73                                                                 + "/" + folderName;
  74                                                 Session session = sourceNode.getSession();
  75                                                 session.move(sourcePath, targetPath);
  76                                                 session.getNode(targetPath).setProperty(
  77                                                                 Property.JCR_TITLE, folderName);
  78                                                 session.save();
  79                                         }
  80                                 }
  81                         } catch (RepositoryException e) {
  82                                 throw new SlcException(
  83                                                 "Unexpected exception while refactoring result folder",
  84                                                 e);
  85                         }
  86                 }
  87                 return null;
  88         }
  89 }