org.argeo.cms.e4/src/org/argeo/cms/e4/users/handlers/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.e4.users.handlers;
  17
  18 import java.util.List;
  19
  20 import javax.inject.Inject;
  21 import javax.inject.Named;
  22
  23 import org.argeo.cms.e4.users.GroupsView;
  24 import org.argeo.cms.e4.users.UserAdminWrapper;
  25 import org.argeo.cms.util.UserAdminUtils;
  26 import org.eclipse.e4.core.di.annotations.CanExecute;
  27 import org.eclipse.e4.core.di.annotations.Execute;
  28 import org.eclipse.e4.ui.model.application.ui.basic.MPart;
  29 import org.eclipse.e4.ui.services.IServiceConstants;
  30 import org.eclipse.e4.ui.workbench.modeling.ESelectionService;
  31 import org.eclipse.jface.dialogs.MessageDialog;
  32 import org.eclipse.swt.widgets.Display;
  33 import org.osgi.service.useradmin.Group;
  34 import org.osgi.service.useradmin.UserAdmin;
  35 import org.osgi.service.useradmin.UserAdminEvent;
  36
  37 /** Delete the selected groups */
  38 public class DeleteGroups {
  39         // public final static String ID = WorkbenchUiPlugin.PLUGIN_ID +
  40         // ".deleteGroups";
  41
  42         /* DEPENDENCY INJECTION */
  43         @Inject
  44         private UserAdminWrapper userAdminWrapper;
  45
  46         @Inject
  47         ESelectionService selectionService;
  48
  49         @SuppressWarnings("unchecked")
  50         @Execute
  51         public void execute(@Named(IServiceConstants.ACTIVE_PART) MPart part, ESelectionService selectionService) {
  52                 // ISelection selection = null;// HandlerUtil.getCurrentSelection(event);
  53                 // if (selection.isEmpty())
  54                 // return null;
  55                 //
  56                 // List<Group> groups = new ArrayList<Group>();
  57                 // Iterator<Group> it = ((IStructuredSelection) selection).iterator();
  58
  59                 List<Group> selection = (List<Group>) selectionService.getSelection();
  60                 if (selection == null)
  61                         return;
  62
  63                 StringBuilder builder = new StringBuilder();
  64                 for (Group group : selection) {
  65                         Group currGroup = group;
  66                         String groupName = UserAdminUtils.getUserLocalId(currGroup.getName());
  67                         // TODO add checks
  68                         builder.append(groupName).append("; ");
  69                         // groups.add(currGroup);
  70                 }
  71
  72                 if (!MessageDialog.openQuestion(Display.getCurrent().getActiveShell(), "Delete Groups", "Are you sure that you "
  73                                 + "want to delete these groups?\n" + builder.substring(0, builder.length() - 2)))
  74                         return;
  75
  76                 userAdminWrapper.beginTransactionIfNeeded();
  77                 UserAdmin userAdmin = userAdminWrapper.getUserAdmin();
  78                 // IWorkbenchPage iwp =
  79                 // HandlerUtil.getActiveWorkbenchWindow(event).getActivePage();
  80                 for (Group group : selection) {
  81                         String groupName = group.getName();
  82                         // TODO find a way to close the editor cleanly if opened. Cannot be
  83                         // done through the UserAdminListeners, it causes a
  84                         // java.util.ConcurrentModificationException because disposing the
  85                         // editor unregisters and disposes the listener
  86                         // IEditorPart part = iwp.findEditor(new UserEditorInput(groupName));
  87                         // if (part != null)
  88                         // iwp.closeEditor(part, false);
  89                         userAdmin.removeRole(groupName);
  90                 }
  91                 userAdminWrapper.commitOrNotifyTransactionStateChange();
  92
  93                 // Update the view
  94                 for (Group group : selection) {
  95                         userAdminWrapper.notifyListeners(new UserAdminEvent(null, UserAdminEvent.ROLE_REMOVED, group));
  96                 }
  97
  98                 // return null;
  99         }
 100
 101         @CanExecute
 102         public boolean canExecute(@Named(IServiceConstants.ACTIVE_PART) MPart part, ESelectionService selectionService) {
 103                 return part.getObject() instanceof GroupsView && selectionService.getSelection() != null;
 104         }
 105
 106         /* DEPENDENCY INJECTION */
 107         // public void setUserAdminWrapper(UserAdminWrapper userAdminWrapper) {
 108         // this.userAdminWrapper = userAdminWrapper;
 109         // }
 110 }