org.argeo.security.ui.admin/src/org/argeo/security/ui/admin/commands/DeleteRole.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.security.ui.admin.commands;
  17
  18 import java.util.ArrayList;
  19 import java.util.Iterator;
  20 import java.util.List;
  21
  22 import org.argeo.security.UserAdminService;
  23 import org.argeo.security.ui.admin.views.RolesView;
  24 import org.eclipse.core.commands.AbstractHandler;
  25 import org.eclipse.core.commands.ExecutionEvent;
  26 import org.eclipse.core.commands.ExecutionException;
  27 import org.eclipse.jface.dialogs.MessageDialog;
  28 import org.eclipse.jface.viewers.ISelection;
  29 import org.eclipse.jface.viewers.IStructuredSelection;
  30 import org.eclipse.ui.handlers.HandlerUtil;
  31
  32 /** Deletes the selected roles */
  33 public class DeleteRole extends AbstractHandler {
  34         private UserAdminService userAdminService;
  35
  36         @SuppressWarnings("unchecked")
  37         public Object execute(ExecutionEvent event) throws ExecutionException {
  38                 ISelection selection = HandlerUtil.getCurrentSelection(event);
  39                 if (selection.isEmpty())
  40                         return null;
  41
  42                 List<String> toDelete = new ArrayList<String>();
  43                 Iterator<String> it = ((IStructuredSelection) selection).iterator();
  44                 while (it.hasNext()) {
  45                         toDelete.add(it.next());
  46                 }
  47
  48                 if (!MessageDialog
  49                                 .openQuestion(
  50                                                 HandlerUtil.getActiveShell(event),
  51                                                 "Delete Role",
  52                                                 "Are you sure that you want to delete "
  53                                                                 + toDelete
  54                                                                 + "?\n"
  55                                                                 + "This may lead to inconsistencies in the application."))
  56                         return null;
  57
  58                 for (String role : toDelete) {
  59                         userAdminService.deleteRole(role);
  60                 }
  61
  62                 RolesView view = (RolesView) HandlerUtil
  63                                 .getActiveWorkbenchWindow(event).getActivePage()
  64                                 .findView(RolesView.ID);
  65                 view.refresh();
  66                 return null;
  67         }
  68
  69         public void setUserAdminService(UserAdminService userAdminService) {
  70                 this.userAdminService = userAdminService;
  71         }
  72 }