legacy/argeo-commons/org.argeo.cms.ui.workbench/src/org/argeo/cms/ui/workbench/internal/useradmin/parts/UserBatchUpdateWizard.java

   1 package org.argeo.cms.ui.workbench.internal.useradmin.parts;
   2
   3 import java.util.ArrayList;
   4 import java.util.HashMap;
   5 import java.util.List;
   6 import java.util.Map;
   7
   8 import org.argeo.api.cms.CmsConstants;
   9 import org.argeo.api.cms.CmsLog;
  10 import org.argeo.cms.CmsException;
  11 import org.argeo.cms.auth.CurrentUser;
  12 import org.argeo.cms.auth.UserAdminUtils;
  13 import org.argeo.cms.ui.workbench.internal.useradmin.UiAdminUtils;
  14 import org.argeo.cms.ui.workbench.internal.useradmin.UserAdminWrapper;
  15 import org.argeo.cms.ui.workbench.internal.useradmin.providers.CommonNameLP;
  16 import org.argeo.cms.ui.workbench.internal.useradmin.providers.DomainNameLP;
  17 import org.argeo.cms.ui.workbench.internal.useradmin.providers.MailLP;
  18 import org.argeo.cms.ui.workbench.internal.useradmin.providers.UserNameLP;
  19 import org.argeo.eclipse.ui.ColumnDefinition;
  20 import org.argeo.eclipse.ui.EclipseUiUtils;
  21 import org.argeo.eclipse.ui.parts.LdifUsersTable;
  22 import org.argeo.osgi.transaction.WorkTransaction;
  23 import org.argeo.util.naming.LdapAttrs;
  24 import org.argeo.util.naming.LdapObjs;
  25 import org.eclipse.jface.dialogs.IPageChangeProvider;
  26 import org.eclipse.jface.dialogs.IPageChangedListener;
  27 import org.eclipse.jface.dialogs.MessageDialog;
  28 import org.eclipse.jface.dialogs.PageChangedEvent;
  29 import org.eclipse.jface.wizard.IWizardContainer;
  30 import org.eclipse.jface.wizard.Wizard;
  31 import org.eclipse.jface.wizard.WizardPage;
  32 import org.eclipse.swt.SWT;
  33 import org.eclipse.swt.events.ModifyEvent;
  34 import org.eclipse.swt.events.ModifyListener;
  35 import org.eclipse.swt.events.SelectionAdapter;
  36 import org.eclipse.swt.events.SelectionEvent;
  37 import org.eclipse.swt.layout.GridData;
  38 import org.eclipse.swt.layout.GridLayout;
  39 import org.eclipse.swt.widgets.Button;
  40 import org.eclipse.swt.widgets.Combo;
  41 import org.eclipse.swt.widgets.Composite;
  42 import org.eclipse.swt.widgets.Text;
  43 import org.osgi.framework.InvalidSyntaxException;
  44 import org.osgi.service.useradmin.Role;
  45 import org.osgi.service.useradmin.User;
  46 import org.osgi.service.useradmin.UserAdminEvent;
  47
  48 /** Wizard to update users */
  49 public class UserBatchUpdateWizard extends Wizard {
  50
  51         private final static CmsLog log = CmsLog.getLog(UserBatchUpdateWizard.class);
  52         private UserAdminWrapper userAdminWrapper;
  53
  54         // pages
  55         private ChooseCommandWizardPage chooseCommandPage;
  56         private ChooseUsersWizardPage userListPage;
  57         private ValidateAndLaunchWizardPage validatePage;
  58
  59         // Various implemented commands keys
  60         private final static String CMD_UPDATE_PASSWORD = "resetPassword";
  61         private final static String CMD_UPDATE_EMAIL = "resetEmail";
  62         private final static String CMD_GROUP_MEMBERSHIP = "groupMembership";
  63
  64         private final Map<String, String> commands = new HashMap<String, String>() {
  65                 private static final long serialVersionUID = 1L;
  66                 {
  67                         put("Reset password(s)", CMD_UPDATE_PASSWORD);
  68                         put("Reset email(s)", CMD_UPDATE_EMAIL);
  69                         // TODO implement role / group management
  70                         // put("Add/Remove from group", CMD_GROUP_MEMBERSHIP);
  71                 }
  72         };
  73
  74         public UserBatchUpdateWizard(UserAdminWrapper userAdminWrapper) {
  75                 this.userAdminWrapper = userAdminWrapper;
  76         }
  77
  78         @Override
  79         public void addPages() {
  80                 chooseCommandPage = new ChooseCommandWizardPage();
  81                 addPage(chooseCommandPage);
  82                 userListPage = new ChooseUsersWizardPage();
  83                 addPage(userListPage);
  84                 validatePage = new ValidateAndLaunchWizardPage();
  85                 addPage(validatePage);
  86         }
  87
  88         @Override
  89         public boolean performFinish() {
  90                 if (!canFinish())
  91                         return false;
  92                 WorkTransaction ut = userAdminWrapper.getUserTransaction();
  93                 if (!ut.isNoTransactionStatus() && !MessageDialog.openConfirm(getShell(), "Existing Transaction",
  94                                 "A user transaction is already existing, " + "are you sure you want to proceed ?"))
  95                         return false;
  96
  97                 // We cannot use jobs, user modifications are still meant to be done in
  98                 // the UIThread
  99                 // UpdateJob job = null;
 100                 // if (job != null)
 101                 // job.schedule();
 102
 103                 if (CMD_UPDATE_PASSWORD.equals(chooseCommandPage.getCommand())) {
 104                         char[] newValue = chooseCommandPage.getPwdValue();
 105                         if (newValue == null)
 106                                 throw new CmsException("Password cannot be null or an empty string");
 107                         ResetPassword job = new ResetPassword(userAdminWrapper, userListPage.getSelectedUsers(), newValue);
 108                         job.doUpdate();
 109                 } else if (CMD_UPDATE_EMAIL.equals(chooseCommandPage.getCommand())) {
 110                         String newValue = chooseCommandPage.getEmailValue();
 111                         if (newValue == null)
 112                                 throw new CmsException("Password cannot be null or an empty string");
 113                         ResetEmail job = new ResetEmail(userAdminWrapper, userListPage.getSelectedUsers(), newValue);
 114                         job.doUpdate();
 115                 }
 116                 return true;
 117         }
 118
 119         public boolean canFinish() {
 120                 if (this.getContainer().getCurrentPage() == validatePage)
 121                         return true;
 122                 return false;
 123         }
 124
 125         private class ResetPassword {
 126                 private char[] newPwd;
 127                 private UserAdminWrapper userAdminWrapper;
 128                 private List<User> usersToUpdate;
 129
 130                 public ResetPassword(UserAdminWrapper userAdminWrapper, List<User> usersToUpdate, char[] newPwd) {
 131                         this.newPwd = newPwd;
 132                         this.usersToUpdate = usersToUpdate;
 133                         this.userAdminWrapper = userAdminWrapper;
 134                 }
 135
 136                 @SuppressWarnings("unchecked")
 137                 protected void doUpdate() {
 138                         userAdminWrapper.beginTransactionIfNeeded();
 139                         try {
 140                                 for (User user : usersToUpdate) {
 141                                         // the char array is emptied after being used.
 142                                         user.getCredentials().put(null, newPwd.clone());
 143                                 }
 144                                 userAdminWrapper.commitOrNotifyTransactionStateChange();
 145                         } catch (Exception e) {
 146                                 throw new CmsException("Cannot perform batch update on users", e);
 147                         } finally {
 148                                 WorkTransaction ut = userAdminWrapper.getUserTransaction();
 149                                 if (!ut.isNoTransactionStatus())
 150                                         ut.rollback();
 151                         }
 152                 }
 153         }
 154
 155         private class ResetEmail {
 156                 private String newEmail;
 157                 private UserAdminWrapper userAdminWrapper;
 158                 private List<User> usersToUpdate;
 159
 160                 public ResetEmail(UserAdminWrapper userAdminWrapper, List<User> usersToUpdate, String newEmail) {
 161                         this.newEmail = newEmail;
 162                         this.usersToUpdate = usersToUpdate;
 163                         this.userAdminWrapper = userAdminWrapper;
 164                 }
 165
 166                 @SuppressWarnings("unchecked")
 167                 protected void doUpdate() {
 168                         userAdminWrapper.beginTransactionIfNeeded();
 169                         try {
 170                                 for (User user : usersToUpdate) {
 171                                         // the char array is emptied after being used.
 172                                         user.getProperties().put(LdapAttrs.mail.name(), newEmail);
 173                                 }
 174
 175                                 userAdminWrapper.commitOrNotifyTransactionStateChange();
 176                                 if (!usersToUpdate.isEmpty())
 177                                         userAdminWrapper.notifyListeners(
 178                                                         new UserAdminEvent(null, UserAdminEvent.ROLE_CHANGED, usersToUpdate.get(0)));
 179                         } catch (Exception e) {
 180                                 throw new CmsException("Cannot perform batch update on users", e);
 181                         } finally {
 182                                 WorkTransaction ut = userAdminWrapper.getUserTransaction();
 183                                 if (!ut.isNoTransactionStatus())
 184                                         ut.rollback();
 185                         }
 186                 }
 187         }
 188
 189         // @SuppressWarnings("unused")
 190         // private class AddToGroup extends UpdateJob {
 191         // private String groupID;
 192         // private Session session;
 193         //
 194         // public AddToGroup(Session session, List<Node> nodesToUpdate,
 195         // String groupID) {
 196         // super(session, nodesToUpdate);
 197         // this.session = session;
 198         // this.groupID = groupID;
 199         // }
 200         //
 201         // protected void doUpdate(Node node) {
 202         // log.info("Add/Remove to group actions are not yet implemented");
 203         // // TODO implement this
 204         // // try {
 205         // // throw new CmsException("Not yet implemented");
 206         // // } catch (RepositoryException re) {
 207         // // throw new CmsException(
 208         // // "Unable to update boolean value for node " + node, re);
 209         // // }
 210         // }
 211         // }
 212
 213         // /**
 214         // * Base privileged job that will be run asynchronously to perform the
 215         // batch
 216         // * update
 217         // */
 218         // private abstract class UpdateJob extends PrivilegedJob {
 219         //
 220         // private final UserAdminWrapper userAdminWrapper;
 221         // private final List<User> usersToUpdate;
 222         //
 223         // protected abstract void doUpdate(User user);
 224         //
 225         // public UpdateJob(UserAdminWrapper userAdminWrapper,
 226         // List<User> usersToUpdate) {
 227         // super("Perform update");
 228         // this.usersToUpdate = usersToUpdate;
 229         // this.userAdminWrapper = userAdminWrapper;
 230         // }
 231         //
 232         // @Override
 233         // protected IStatus doRun(IProgressMonitor progressMonitor) {
 234         // try {
 235         // JcrMonitor monitor = new EclipseJcrMonitor(progressMonitor);
 236         // int total = usersToUpdate.size();
 237         // monitor.beginTask("Performing change", total);
 238         // userAdminWrapper.beginTransactionIfNeeded();
 239         // for (User user : usersToUpdate) {
 240         // doUpdate(user);
 241         // monitor.worked(1);
 242         // }
 243         // userAdminWrapper.getUserTransaction().commit();
 244         // } catch (Exception e) {
 245         // throw new CmsException(
 246         // "Cannot perform batch update on users", e);
 247         // } finally {
 248         // UserTransaction ut = userAdminWrapper.getUserTransaction();
 249         // try {
 250         // if (ut.getStatus() != javax.transaction.Status.STATUS_NO_TRANSACTION)
 251         // ut.rollback();
 252         // } catch (IllegalStateException | SecurityException
 253         // | SystemException e) {
 254         // log.error("Unable to rollback session in 'finally', "
 255         // + "the system might be in a dirty state");
 256         // e.printStackTrace();
 257         // }
 258         // }
 259         // return Status.OK_STATUS;
 260         // }
 261         // }
 262
 263         // PAGES
 264         /**
 265          * Displays a combo box that enables user to choose which action to perform
 266          */
 267         private class ChooseCommandWizardPage extends WizardPage {
 268                 private static final long serialVersionUID = -8069434295293996633L;
 269                 private Combo chooseCommandCmb;
 270                 private Button trueChk;
 271                 private Text valueTxt;
 272                 private Text pwdTxt;
 273                 private Text pwd2Txt;
 274
 275                 public ChooseCommandWizardPage() {
 276                         super("Choose a command to run.");
 277                         setTitle("Choose a command to run.");
 278                 }
 279
 280                 @Override
 281                 public void createControl(Composite parent) {
 282                         GridLayout gl = new GridLayout();
 283                         Composite container = new Composite(parent, SWT.NO_FOCUS);
 284                         container.setLayout(gl);
 285
 286                         chooseCommandCmb = new Combo(container, SWT.READ_ONLY);
 287                         chooseCommandCmb.setLayoutData(EclipseUiUtils.fillWidth());
 288                         String[] values = commands.keySet().toArray(new String[0]);
 289                         chooseCommandCmb.setItems(values);
 290
 291                         final Composite bottomPart = new Composite(container, SWT.NO_FOCUS);
 292                         bottomPart.setLayoutData(EclipseUiUtils.fillAll());
 293                         bottomPart.setLayout(EclipseUiUtils.noSpaceGridLayout());
 294
 295                         chooseCommandCmb.addSelectionListener(new SelectionAdapter() {
 296                                 private static final long serialVersionUID = 1L;
 297
 298                                 @Override
 299                                 public void widgetSelected(SelectionEvent e) {
 300                                         if (getCommand().equals(CMD_UPDATE_PASSWORD))
 301                                                 populatePasswordCmp(bottomPart);
 302                                         else if (getCommand().equals(CMD_UPDATE_EMAIL))
 303                                                 populateEmailCmp(bottomPart);
 304                                         else if (getCommand().equals(CMD_GROUP_MEMBERSHIP))
 305                                                 populateGroupCmp(bottomPart);
 306                                         else
 307                                                 populateBooleanFlagCmp(bottomPart);
 308                                         checkPageComplete();
 309                                         bottomPart.layout(true, true);
 310                                 }
 311                         });
 312                         setControl(container);
 313                 }
 314
 315                 private void populateBooleanFlagCmp(Composite parent) {
 316                         EclipseUiUtils.clear(parent);
 317                         trueChk = new Button(parent, SWT.CHECK);
 318                         trueChk.setText("Do it. (It will to the contrary if unchecked)");
 319                         trueChk.setSelection(true);
 320                         trueChk.setLayoutData(new GridData(SWT.LEFT, SWT.TOP, false, false));
 321                 }
 322
 323                 private void populatePasswordCmp(Composite parent) {
 324                         EclipseUiUtils.clear(parent);
 325                         Composite body = new Composite(parent, SWT.NO_FOCUS);
 326
 327                         ModifyListener ml = new ModifyListener() {
 328                                 private static final long serialVersionUID = -1558726363536729634L;
 329
 330                                 @Override
 331                                 public void modifyText(ModifyEvent event) {
 332                                         checkPageComplete();
 333                                 }
 334                         };
 335
 336                         body.setLayout(new GridLayout(2, false));
 337                         body.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
 338                         pwdTxt = EclipseUiUtils.createGridLP(body, "New password", ml);
 339                         pwd2Txt = EclipseUiUtils.createGridLP(body, "Repeat password", ml);
 340                 }
 341
 342                 private void populateEmailCmp(Composite parent) {
 343                         EclipseUiUtils.clear(parent);
 344                         Composite body = new Composite(parent, SWT.NO_FOCUS);
 345
 346                         ModifyListener ml = new ModifyListener() {
 347                                 private static final long serialVersionUID = 2147704227294268317L;
 348
 349                                 @Override
 350                                 public void modifyText(ModifyEvent event) {
 351                                         checkPageComplete();
 352                                 }
 353                         };
 354
 355                         body.setLayout(new GridLayout(2, false));
 356                         body.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
 357                         valueTxt = EclipseUiUtils.createGridLT(body, "New e-mail", ml);
 358                 }
 359
 360                 private void checkPageComplete() {
 361                         String errorMsg = null;
 362                         if (chooseCommandCmb.getSelectionIndex() < 0)
 363                                 errorMsg = "Please select an action";
 364                         else if (CMD_UPDATE_EMAIL.equals(getCommand())) {
 365                                 if (!valueTxt.getText().matches(UiAdminUtils.EMAIL_PATTERN))
 366                                         errorMsg = "Not a valid e-mail address";
 367                         } else if (CMD_UPDATE_PASSWORD.equals(getCommand())) {
 368                                 if (EclipseUiUtils.isEmpty(pwdTxt.getText()) || pwdTxt.getText().length() < 4)
 369                                         errorMsg = "Please enter a password that is at least 4 character long";
 370                                 else if (!pwdTxt.getText().equals(pwd2Txt.getText()))
 371                                         errorMsg = "Passwords are different";
 372                         }
 373                         if (EclipseUiUtils.notEmpty(errorMsg)) {
 374                                 setMessage(errorMsg, WizardPage.ERROR);
 375                                 setPageComplete(false);
 376                         } else {
 377                                 setMessage("Page complete, you can proceed to user choice", WizardPage.INFORMATION);
 378                                 setPageComplete(true);
 379                         }
 380
 381                         getContainer().updateButtons();
 382                 }
 383
 384                 private void populateGroupCmp(Composite parent) {
 385                         EclipseUiUtils.clear(parent);
 386                         trueChk = new Button(parent, SWT.CHECK);
 387                         trueChk.setText("Add to group. (It will remove user(s) from the " + "corresponding group if unchecked)");
 388                         trueChk.setSelection(true);
 389                         trueChk.setLayoutData(new GridData(SWT.LEFT, SWT.TOP, false, false));
 390                 }
 391
 392                 protected String getCommand() {
 393                         return commands.get(chooseCommandCmb.getItem(chooseCommandCmb.getSelectionIndex()));
 394                 }
 395
 396                 protected String getCommandLbl() {
 397                         return chooseCommandCmb.getItem(chooseCommandCmb.getSelectionIndex());
 398                 }
 399
 400                 @SuppressWarnings("unused")
 401                 protected boolean getBoleanValue() {
 402                         // FIXME this is not consistent and will lead to errors.
 403                         if ("argeo:enabled".equals(getCommand()))
 404                                 return trueChk.getSelection();
 405                         else
 406                                 return !trueChk.getSelection();
 407                 }
 408
 409                 @SuppressWarnings("unused")
 410                 protected String getStringValue() {
 411                         String value = null;
 412                         if (valueTxt != null) {
 413                                 value = valueTxt.getText();
 414                                 if ("".equals(value.trim()))
 415                                         value = null;
 416                         }
 417                         return value;
 418                 }
 419
 420                 protected char[] getPwdValue() {
 421                         // We do not directly reset the password text fields: There is no
 422                         // need to over secure this process: setting a pwd to multi users
 423                         // at the same time is anyhow a bad practice and should be used only
 424                         // in test environment or for temporary access
 425                         if (pwdTxt == null || pwdTxt.isDisposed())
 426                                 return null;
 427                         else
 428                                 return pwdTxt.getText().toCharArray();
 429                 }
 430
 431                 protected String getEmailValue() {
 432                         // We do not directly reset the password text fields: There is no
 433                         // need to over secure this process: setting a pwd to multi users
 434                         // at the same time is anyhow a bad practice and should be used only
 435                         // in test environment or for temporary access
 436                         if (valueTxt == null || valueTxt.isDisposed())
 437                                 return null;
 438                         else
 439                                 return valueTxt.getText();
 440                 }
 441         }
 442
 443         /**
 444          * Displays a list of users with a check box to be able to choose some of them
 445          */
 446         private class ChooseUsersWizardPage extends WizardPage implements IPageChangedListener {
 447                 private static final long serialVersionUID = 7651807402211214274L;
 448                 private ChooseUserTableViewer userTableCmp;
 449
 450                 public ChooseUsersWizardPage() {
 451                         super("Choose Users");
 452                         setTitle("Select users who will be impacted");
 453                 }
 454
 455                 @Override
 456                 public void createControl(Composite parent) {
 457                         Composite pageCmp = new Composite(parent, SWT.NONE);
 458                         pageCmp.setLayout(EclipseUiUtils.noSpaceGridLayout());
 459
 460                         // Define the displayed columns
 461                         List<ColumnDefinition> columnDefs = new ArrayList<ColumnDefinition>();
 462                         columnDefs.add(new ColumnDefinition(new CommonNameLP(), "Common Name", 150));
 463                         columnDefs.add(new ColumnDefinition(new MailLP(), "E-mail", 150));
 464                         columnDefs.add(new ColumnDefinition(new DomainNameLP(), "Domain", 200));
 465
 466                         // Only show technical DN to admin
 467                         if (CurrentUser.isInRole(CmsConstants.ROLE_ADMIN))
 468                                 columnDefs.add(new ColumnDefinition(new UserNameLP(), "Distinguished Name", 300));
 469
 470                         userTableCmp = new ChooseUserTableViewer(pageCmp, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL);
 471                         userTableCmp.setLayoutData(EclipseUiUtils.fillAll());
 472                         userTableCmp.setColumnDefinitions(columnDefs);
 473                         userTableCmp.populate(true, true);
 474                         userTableCmp.refresh();
 475
 476                         setControl(pageCmp);
 477
 478                         // Add listener to update message when shown
 479                         final IWizardContainer wContainer = this.getContainer();
 480                         if (wContainer instanceof IPageChangeProvider) {
 481                                 ((IPageChangeProvider) wContainer).addPageChangedListener(this);
 482                         }
 483
 484                 }
 485
 486                 @Override
 487                 public void pageChanged(PageChangedEvent event) {
 488                         if (event.getSelectedPage() == this) {
 489                                 String msg = "Chosen batch action: " + chooseCommandPage.getCommandLbl();
 490                                 ((WizardPage) event.getSelectedPage()).setMessage(msg);
 491                         }
 492                 }
 493
 494                 protected List<User> getSelectedUsers() {
 495                         return userTableCmp.getSelectedUsers();
 496                 }
 497
 498                 private class ChooseUserTableViewer extends LdifUsersTable {
 499                         private static final long serialVersionUID = 5080437561015853124L;
 500                         private final String[] knownProps = { LdapAttrs.uid.name(), LdapAttrs.DN, LdapAttrs.cn.name(),
 501                                         LdapAttrs.givenName.name(), LdapAttrs.sn.name(), LdapAttrs.mail.name() };
 502
 503                         public ChooseUserTableViewer(Composite parent, int style) {
 504                                 super(parent, style);
 505                         }
 506
 507                         @Override
 508                         protected List<User> listFilteredElements(String filter) {
 509                                 Role[] roles;
 510
 511                                 try {
 512                                         StringBuilder builder = new StringBuilder();
 513
 514                                         StringBuilder tmpBuilder = new StringBuilder();
 515                                         if (EclipseUiUtils.notEmpty(filter))
 516                                                 for (String prop : knownProps) {
 517                                                         tmpBuilder.append("(");
 518                                                         tmpBuilder.append(prop);
 519                                                         tmpBuilder.append("=*");
 520                                                         tmpBuilder.append(filter);
 521                                                         tmpBuilder.append("*)");
 522                                                 }
 523                                         if (tmpBuilder.length() > 1) {
 524                                                 builder.append("(&(").append(LdapAttrs.objectClass.name()).append("=")
 525                                                                 .append(LdapObjs.inetOrgPerson.name()).append(")(|");
 526                                                 builder.append(tmpBuilder.toString());
 527                                                 builder.append("))");
 528                                         } else
 529                                                 builder.append("(").append(LdapAttrs.objectClass.name()).append("=")
 530                                                                 .append(LdapObjs.inetOrgPerson.name()).append(")");
 531                                         roles = userAdminWrapper.getUserAdmin().getRoles(builder.toString());
 532                                 } catch (InvalidSyntaxException e) {
 533                                         throw new CmsException("Unable to get roles with filter: " + filter, e);
 534                                 }
 535                                 List<User> users = new ArrayList<User>();
 536                                 for (Role role : roles)
 537                                         // Prevent current logged in user to perform batch on
 538                                         // himself
 539                                         if (!UserAdminUtils.isCurrentUser((User) role))
 540                                                 users.add((User) role);
 541                                 return users;
 542                         }
 543                 }
 544         }
 545
 546         /** Summary of input data before launching the process */
 547         private class ValidateAndLaunchWizardPage extends WizardPage implements IPageChangedListener {
 548                 private static final long serialVersionUID = 7098918351451743853L;
 549                 private ChosenUsersTableViewer userTableCmp;
 550
 551                 public ValidateAndLaunchWizardPage() {
 552                         super("Validate and launch");
 553                         setTitle("Validate and launch");
 554                 }
 555
 556                 @Override
 557                 public void createControl(Composite parent) {
 558                         Composite pageCmp = new Composite(parent, SWT.NO_FOCUS);
 559                         pageCmp.setLayout(EclipseUiUtils.noSpaceGridLayout());
 560
 561                         List<ColumnDefinition> columnDefs = new ArrayList<ColumnDefinition>();
 562                         columnDefs.add(new ColumnDefinition(new CommonNameLP(), "Common Name", 150));
 563                         columnDefs.add(new ColumnDefinition(new MailLP(), "E-mail", 150));
 564                         columnDefs.add(new ColumnDefinition(new DomainNameLP(), "Domain", 200));
 565                         // Only show technical DN to admin
 566                         if (CurrentUser.isInRole(CmsConstants.ROLE_ADMIN))
 567                                 columnDefs.add(new ColumnDefinition(new UserNameLP(), "Distinguished Name", 300));
 568                         userTableCmp = new ChosenUsersTableViewer(pageCmp, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL);
 569                         userTableCmp.setLayoutData(EclipseUiUtils.fillAll());
 570                         userTableCmp.setColumnDefinitions(columnDefs);
 571                         userTableCmp.populate(false, false);
 572                         userTableCmp.refresh();
 573                         setControl(pageCmp);
 574                         // Add listener to update message when shown
 575                         final IWizardContainer wContainer = this.getContainer();
 576                         if (wContainer instanceof IPageChangeProvider) {
 577                                 ((IPageChangeProvider) wContainer).addPageChangedListener(this);
 578                         }
 579                 }
 580
 581                 @Override
 582                 public void pageChanged(PageChangedEvent event) {
 583                         if (event.getSelectedPage() == this) {
 584                                 @SuppressWarnings({ "unchecked", "rawtypes" })
 585                                 Object[] values = ((ArrayList) userListPage.getSelectedUsers())
 586                                                 .toArray(new Object[userListPage.getSelectedUsers().size()]);
 587                                 userTableCmp.getTableViewer().setInput(values);
 588                                 String msg = "Following batch action: [" + chooseCommandPage.getCommandLbl()
 589                                                 + "] will be perfomed on the users listed below.\n";
 590                                 // + "Are you sure you want to proceed?";
 591                                 setMessage(msg);
 592                         }
 593                 }
 594
 595                 private class ChosenUsersTableViewer extends LdifUsersTable {
 596                         private static final long serialVersionUID = 7814764735794270541L;
 597
 598                         public ChosenUsersTableViewer(Composite parent, int style) {
 599                                 super(parent, style);
 600                         }
 601
 602                         @Override
 603                         protected List<User> listFilteredElements(String filter) {
 604                                 return userListPage.getSelectedUsers();
 605                         }
 606                 }
 607         }
 608 }