org.argeo.cms.ui.workbench/src/org/argeo/cms/ui/workbench/internal/useradmin/commands/DeleteGroups.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.ui.workbench.internal.useradmin.commands;
  17
  18 import java.util.ArrayList;
  19 import java.util.Iterator;
  20 import java.util.List;
  21
  22 import org.argeo.cms.ui.workbench.WorkbenchUiPlugin;
  23 import org.argeo.cms.ui.workbench.internal.useradmin.UserAdminWrapper;
  24 import org.argeo.cms.ui.workbench.internal.useradmin.parts.UserEditorInput;
  25 import org.argeo.cms.util.UserAdminUtils;
  26 import org.eclipse.core.commands.AbstractHandler;
  27 import org.eclipse.core.commands.ExecutionEvent;
  28 import org.eclipse.core.commands.ExecutionException;
  29 import org.eclipse.jface.dialogs.MessageDialog;
  30 import org.eclipse.jface.viewers.ISelection;
  31 import org.eclipse.jface.viewers.IStructuredSelection;
  32 import org.eclipse.ui.IEditorPart;
  33 import org.eclipse.ui.IWorkbenchPage;
  34 import org.eclipse.ui.handlers.HandlerUtil;
  35 import org.osgi.service.useradmin.Group;
  36 import org.osgi.service.useradmin.UserAdmin;
  37 import org.osgi.service.useradmin.UserAdminEvent;
  38
  39 /** Delete the selected groups */
  40 public class DeleteGroups extends AbstractHandler {
  41         public final static String ID = WorkbenchUiPlugin.PLUGIN_ID + ".deleteGroups";
  42
  43         /* DEPENDENCY INJECTION */
  44         private UserAdminWrapper userAdminWrapper;
  45
  46         @SuppressWarnings("unchecked")
  47         public Object execute(ExecutionEvent event) throws ExecutionException {
  48                 ISelection selection = HandlerUtil.getCurrentSelection(event);
  49                 if (selection.isEmpty())
  50                         return null;
  51
  52                 List<Group> groups = new ArrayList<Group>();
  53                 Iterator<Group> it = ((IStructuredSelection) selection).iterator();
  54                 StringBuilder builder = new StringBuilder();
  55                 while (it.hasNext()) {
  56                         Group currGroup = it.next();
  57                         String groupName = UserAdminUtils.getUserLocalId(currGroup.getName());
  58                         // TODO add checks
  59                         builder.append(groupName).append("; ");
  60                         groups.add(currGroup);
  61                 }
  62
  63                 if (!MessageDialog.openQuestion(HandlerUtil.getActiveShell(event), "Delete Groups", "Are you sure that you "
  64                                 + "want to delete these groups?\n" + builder.substring(0, builder.length() - 2)))
  65                         return null;
  66
  67                 userAdminWrapper.beginTransactionIfNeeded();
  68                 UserAdmin userAdmin = userAdminWrapper.getUserAdmin();
  69                 IWorkbenchPage iwp = HandlerUtil.getActiveWorkbenchWindow(event).getActivePage();
  70                 for (Group group : groups) {
  71                         String groupName = group.getName();
  72                         // TODO find a way to close the editor cleanly if opened. Cannot be
  73                         // done through the UserAdminListeners, it causes a
  74                         // java.util.ConcurrentModificationException because disposing the
  75                         // editor unregisters and disposes the listener
  76                         IEditorPart part = iwp.findEditor(new UserEditorInput(groupName));
  77                         if (part != null)
  78                                 iwp.closeEditor(part, false);
  79                         userAdmin.removeRole(groupName);
  80                 }
  81                 userAdminWrapper.commitOrNotifyTransactionStateChange();
  82
  83                 // Update the view
  84                 for (Group group : groups) {
  85                         userAdminWrapper.notifyListeners(new UserAdminEvent(null, UserAdminEvent.ROLE_REMOVED, group));
  86                 }
  87
  88                 return null;
  89         }
  90
  91         /* DEPENDENCY INJECTION */
  92         public void setUserAdminWrapper(UserAdminWrapper userAdminWrapper) {
  93                 this.userAdminWrapper = userAdminWrapper;
  94         }
  95 }