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