eclipse/org.argeo.cms.e4/src/org/argeo/cms/e4/users/handlers/DeleteUsers.java

   1 package org.argeo.cms.e4.users.handlers;
   2
   3 import java.util.List;
   4
   5 import javax.inject.Inject;
   6 import javax.inject.Named;
   7
   8 import org.argeo.cms.auth.UserAdminUtils;
   9 import org.argeo.cms.e4.users.UserAdminWrapper;
  10 import org.argeo.cms.e4.users.UsersView;
  11 import org.eclipse.e4.core.di.annotations.CanExecute;
  12 import org.eclipse.e4.core.di.annotations.Execute;
  13 import org.eclipse.e4.ui.model.application.ui.basic.MPart;
  14 import org.eclipse.e4.ui.services.IServiceConstants;
  15 import org.eclipse.e4.ui.workbench.modeling.ESelectionService;
  16 import org.eclipse.jface.dialogs.MessageDialog;
  17 import org.eclipse.swt.widgets.Display;
  18 import org.osgi.service.useradmin.User;
  19 import org.osgi.service.useradmin.UserAdmin;
  20 import org.osgi.service.useradmin.UserAdminEvent;
  21
  22 /** Delete the selected users */
  23 public class DeleteUsers {
  24         // public final static String ID = WorkbenchUiPlugin.PLUGIN_ID + ".deleteUsers";
  25
  26         /* DEPENDENCY INJECTION */
  27         @Inject
  28         private UserAdminWrapper userAdminWrapper;
  29
  30         @SuppressWarnings("unchecked")
  31         @Execute
  32         public void execute(@Named(IServiceConstants.ACTIVE_PART) MPart part, ESelectionService selectionService) {
  33                 // ISelection selection = null;// HandlerUtil.getCurrentSelection(event);
  34                 // if (selection.isEmpty())
  35                 // return null;
  36                 List<User> selection = (List<User>) selectionService.getSelection();
  37                 if (selection == null)
  38                         return;
  39
  40 //              Iterator<User> it = ((IStructuredSelection) selection).iterator();
  41 //              List<User> users = new ArrayList<User>();
  42                 StringBuilder builder = new StringBuilder();
  43
  44                 for(User user:selection) {
  45                         User currUser = user;
  46 //                      User currUser = it.next();
  47                         String userName = UserAdminUtils.getUserLocalId(currUser.getName());
  48                         if (UserAdminUtils.isCurrentUser(currUser)) {
  49                                 MessageDialog.openError(Display.getCurrent().getActiveShell(), "Deletion forbidden",
  50                                                 "You cannot delete your own user this way.");
  51                                 return;
  52                         }
  53                         builder.append(userName).append("; ");
  54 //                      users.add(currUser);
  55                 }
  56
  57                 if (!MessageDialog.openQuestion(Display.getCurrent().getActiveShell(), "Delete Users",
  58                                 "Are you sure that you want to delete these users?\n" + builder.substring(0, builder.length() - 2)))
  59                         return;
  60
  61                 userAdminWrapper.beginTransactionIfNeeded();
  62                 UserAdmin userAdmin = userAdminWrapper.getUserAdmin();
  63                 // IWorkbenchPage iwp =
  64                 // HandlerUtil.getActiveWorkbenchWindow(event).getActivePage();
  65
  66                 for (User user : selection) {
  67                         String userName = user.getName();
  68                         // TODO find a way to close the editor cleanly if opened. Cannot be
  69                         // done through the UserAdminListeners, it causes a
  70                         // java.util.ConcurrentModificationException because disposing the
  71                         // editor unregisters and disposes the listener
  72                         // IEditorPart part = iwp.findEditor(new UserEditorInput(userName));
  73                         // if (part != null)
  74                         // iwp.closeEditor(part, false);
  75                         userAdmin.removeRole(userName);
  76                 }
  77                 userAdminWrapper.commitOrNotifyTransactionStateChange();
  78
  79                 for (User user : selection) {
  80                         userAdminWrapper.notifyListeners(new UserAdminEvent(null, UserAdminEvent.ROLE_REMOVED, user));
  81                 }
  82         }
  83
  84         @CanExecute
  85         public boolean canExecute(@Named(IServiceConstants.ACTIVE_PART) MPart part, ESelectionService selectionService) {
  86                 return part.getObject() instanceof UsersView && selectionService.getSelection() != null;
  87         }
  88 }