server/plugins/org.argeo.jcr.ui.explorer/src/main/java/org/argeo/jcr/ui/explorer/commands/AddPrivileges.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.jcr.ui.explorer.commands;
  17
  18 import javax.jcr.Node;
  19 import javax.jcr.RepositoryException;
  20
  21 import org.argeo.ArgeoException;
  22 import org.argeo.eclipse.ui.ErrorFeedback;
  23 import org.argeo.eclipse.ui.TreeParent;
  24 import org.argeo.jcr.ui.explorer.JcrExplorerPlugin;
  25 import org.argeo.jcr.ui.explorer.model.SingleJcrNodeElem;
  26 import org.argeo.jcr.ui.explorer.model.WorkspaceElem;
  27 import org.argeo.jcr.ui.explorer.wizards.ChangeRightsWizard;
  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.viewers.ISelection;
  32 import org.eclipse.jface.viewers.IStructuredSelection;
  33 import org.eclipse.jface.wizard.WizardDialog;
  34 import org.eclipse.ui.handlers.HandlerUtil;
  35
  36 /**
  37  * Open a dialog to change rights on the selected node.
  38  */
  39
  40 public class AddPrivileges extends AbstractHandler {
  41         public final static String ID = JcrExplorerPlugin.ID + ".addPrivileges";
  42
  43         public Object execute(ExecutionEvent event) throws ExecutionException {
  44
  45                 ISelection selection = HandlerUtil.getActiveWorkbenchWindow(event)
  46                                 .getActivePage().getSelection();
  47                 if (selection != null && !selection.isEmpty()
  48                                 && selection instanceof IStructuredSelection) {
  49                         Object obj = ((IStructuredSelection) selection).getFirstElement();
  50                         TreeParent treeParentNode = null;
  51                         Node jcrParentNode = null;
  52
  53                         if (obj instanceof SingleJcrNodeElem) {
  54                                 treeParentNode = (TreeParent) obj;
  55                                 jcrParentNode = ((SingleJcrNodeElem) treeParentNode).getNode();
  56                         } else if (obj instanceof WorkspaceElem) {
  57                                 treeParentNode = (TreeParent) obj;
  58                                 jcrParentNode = ((WorkspaceElem) treeParentNode).getRootNode();
  59                         } else
  60                                 return null;
  61
  62                         try {
  63                                 ChangeRightsWizard wizard = new ChangeRightsWizard(
  64                                                 jcrParentNode.getSession(), jcrParentNode.getPath());
  65                                 WizardDialog dialog = new WizardDialog(
  66                                                 HandlerUtil.getActiveShell(event), wizard);
  67                                 dialog.open();
  68                                 return null;
  69                         } catch (RepositoryException re) {
  70                                 throw new ArgeoException(
  71                                                 "Unexpected error while creating the new workspace.",
  72                                                 re);
  73                         }
  74                 } else {
  75                         ErrorFeedback.show("Cannot add privileges");
  76                 }
  77                 return null;
  78         }
  79 }