Merge tag 'v2.3.20' into testing
[gpl/argeo-jcr.git] / swt / org.argeo.tool.devops.e4 / src / org / argeo / cms / e4 / users / UserBatchUpdateWizard.java
diff --git a/swt/org.argeo.tool.devops.e4/src/org/argeo/cms/e4/users/UserBatchUpdateWizard.java b/swt/org.argeo.tool.devops.e4/src/org/argeo/cms/e4/users/UserBatchUpdateWizard.java
new file mode 100644 (file)
index 0000000..07efcbb
--- /dev/null
@@ -0,0 +1,606 @@
+package org.argeo.cms.e4.users;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.argeo.api.acr.ldap.LdapAttr;
+import org.argeo.api.acr.ldap.LdapObj;
+import org.argeo.api.cms.CmsConstants;
+import org.argeo.api.cms.CmsLog;
+import org.argeo.api.cms.transaction.WorkTransaction;
+import org.argeo.cms.CurrentUser;
+import org.argeo.cms.auth.UserAdminUtils;
+import org.argeo.cms.e4.users.providers.CommonNameLP;
+import org.argeo.cms.e4.users.providers.DomainNameLP;
+import org.argeo.cms.e4.users.providers.MailLP;
+import org.argeo.cms.e4.users.providers.UserNameLP;
+import org.argeo.cms.swt.CmsException;
+import org.argeo.cms.swt.useradmin.LdifUsersTable;
+import org.argeo.eclipse.ui.ColumnDefinition;
+import org.argeo.eclipse.ui.EclipseUiUtils;
+import org.eclipse.jface.dialogs.IPageChangeProvider;
+import org.eclipse.jface.dialogs.IPageChangedListener;
+import org.eclipse.jface.dialogs.MessageDialog;
+import org.eclipse.jface.dialogs.PageChangedEvent;
+import org.eclipse.jface.wizard.IWizardContainer;
+import org.eclipse.jface.wizard.Wizard;
+import org.eclipse.jface.wizard.WizardPage;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.ModifyEvent;
+import org.eclipse.swt.events.ModifyListener;
+import org.eclipse.swt.events.SelectionAdapter;
+import org.eclipse.swt.events.SelectionEvent;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Button;
+import org.eclipse.swt.widgets.Combo;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Text;
+import org.osgi.framework.InvalidSyntaxException;
+import org.osgi.service.useradmin.Role;
+import org.osgi.service.useradmin.User;
+import org.osgi.service.useradmin.UserAdminEvent;
+
+/** Wizard to update users */
+public class UserBatchUpdateWizard extends Wizard {
+
+       private final static CmsLog log = CmsLog.getLog(UserBatchUpdateWizard.class);
+       private UserAdminWrapper userAdminWrapper;
+
+       // pages
+       private ChooseCommandWizardPage chooseCommandPage;
+       private ChooseUsersWizardPage userListPage;
+       private ValidateAndLaunchWizardPage validatePage;
+
+       // Various implemented commands keys
+       private final static String CMD_UPDATE_PASSWORD = "resetPassword";
+       private final static String CMD_UPDATE_EMAIL = "resetEmail";
+       private final static String CMD_GROUP_MEMBERSHIP = "groupMembership";
+
+       private final Map<String, String> commands = new HashMap<String, String>() {
+               private static final long serialVersionUID = 1L;
+               {
+                       put("Reset password(s)", CMD_UPDATE_PASSWORD);
+                       put("Reset email(s)", CMD_UPDATE_EMAIL);
+                       // TODO implement role / group management
+                       // put("Add/Remove from group", CMD_GROUP_MEMBERSHIP);
+               }
+       };
+
+       public UserBatchUpdateWizard(UserAdminWrapper userAdminWrapper) {
+               this.userAdminWrapper = userAdminWrapper;
+       }
+
+       @Override
+       public void addPages() {
+               chooseCommandPage = new ChooseCommandWizardPage();
+               addPage(chooseCommandPage);
+               userListPage = new ChooseUsersWizardPage();
+               addPage(userListPage);
+               validatePage = new ValidateAndLaunchWizardPage();
+               addPage(validatePage);
+       }
+
+       @Override
+       public boolean performFinish() {
+               if (!canFinish())
+                       return false;
+               WorkTransaction ut = userAdminWrapper.getUserTransaction();
+               if (!ut.isNoTransactionStatus() && !MessageDialog.openConfirm(getShell(), "Existing Transaction",
+                               "A user transaction is already existing, " + "are you sure you want to proceed ?"))
+                       return false;
+
+               // We cannot use jobs, user modifications are still meant to be done in
+               // the UIThread
+               // UpdateJob job = null;
+               // if (job != null)
+               // job.schedule();
+
+               if (CMD_UPDATE_PASSWORD.equals(chooseCommandPage.getCommand())) {
+                       char[] newValue = chooseCommandPage.getPwdValue();
+                       if (newValue == null)
+                               throw new CmsException("Password cannot be null or an empty string");
+                       ResetPassword job = new ResetPassword(userAdminWrapper, userListPage.getSelectedUsers(), newValue);
+                       job.doUpdate();
+               } else if (CMD_UPDATE_EMAIL.equals(chooseCommandPage.getCommand())) {
+                       String newValue = chooseCommandPage.getEmailValue();
+                       if (newValue == null)
+                               throw new CmsException("Password cannot be null or an empty string");
+                       ResetEmail job = new ResetEmail(userAdminWrapper, userListPage.getSelectedUsers(), newValue);
+                       job.doUpdate();
+               }
+               return true;
+       }
+
+       public boolean canFinish() {
+               if (this.getContainer().getCurrentPage() == validatePage)
+                       return true;
+               return false;
+       }
+
+       private class ResetPassword {
+               private char[] newPwd;
+               private UserAdminWrapper userAdminWrapper;
+               private List<User> usersToUpdate;
+
+               public ResetPassword(UserAdminWrapper userAdminWrapper, List<User> usersToUpdate, char[] newPwd) {
+                       this.newPwd = newPwd;
+                       this.usersToUpdate = usersToUpdate;
+                       this.userAdminWrapper = userAdminWrapper;
+               }
+
+               @SuppressWarnings("unchecked")
+               protected void doUpdate() {
+                       userAdminWrapper.beginTransactionIfNeeded();
+                       try {
+                               for (User user : usersToUpdate) {
+                                       // the char array is emptied after being used.
+                                       user.getCredentials().put(null, newPwd.clone());
+                               }
+                               userAdminWrapper.commitOrNotifyTransactionStateChange();
+                       } catch (Exception e) {
+                               throw new CmsException("Cannot perform batch update on users", e);
+                       } finally {
+                               WorkTransaction ut = userAdminWrapper.getUserTransaction();
+                               if (!ut.isNoTransactionStatus())
+                                       ut.rollback();
+                       }
+               }
+       }
+
+       private class ResetEmail {
+               private String newEmail;
+               private UserAdminWrapper userAdminWrapper;
+               private List<User> usersToUpdate;
+
+               public ResetEmail(UserAdminWrapper userAdminWrapper, List<User> usersToUpdate, String newEmail) {
+                       this.newEmail = newEmail;
+                       this.usersToUpdate = usersToUpdate;
+                       this.userAdminWrapper = userAdminWrapper;
+               }
+
+               @SuppressWarnings("unchecked")
+               protected void doUpdate() {
+                       userAdminWrapper.beginTransactionIfNeeded();
+                       try {
+                               for (User user : usersToUpdate) {
+                                       // the char array is emptied after being used.
+                                       user.getProperties().put(LdapAttr.mail.name(), newEmail);
+                               }
+
+                               userAdminWrapper.commitOrNotifyTransactionStateChange();
+                               if (!usersToUpdate.isEmpty())
+                                       userAdminWrapper.notifyListeners(
+                                                       new UserAdminEvent(null, UserAdminEvent.ROLE_CHANGED, usersToUpdate.get(0)));
+                       } catch (Exception e) {
+                               throw new CmsException("Cannot perform batch update on users", e);
+                       } finally {
+                               WorkTransaction ut = userAdminWrapper.getUserTransaction();
+                               if (!ut.isNoTransactionStatus())
+                                       ut.rollback();
+                       }
+               }
+       }
+
+       // @SuppressWarnings("unused")
+       // private class AddToGroup extends UpdateJob {
+       // private String groupID;
+       // private Session session;
+       //
+       // public AddToGroup(Session session, List<Node> nodesToUpdate,
+       // String groupID) {
+       // super(session, nodesToUpdate);
+       // this.session = session;
+       // this.groupID = groupID;
+       // }
+       //
+       // protected void doUpdate(Node node) {
+       // log.info("Add/Remove to group actions are not yet implemented");
+       // // TODO implement this
+       // // try {
+       // // throw new CmsException("Not yet implemented");
+       // // } catch (RepositoryException re) {
+       // // throw new CmsException(
+       // // "Unable to update boolean value for node " + node, re);
+       // // }
+       // }
+       // }
+
+       // /**
+       // * Base privileged job that will be run asynchronously to perform the
+       // batch
+       // * update
+       // */
+       // private abstract class UpdateJob extends PrivilegedJob {
+       //
+       // private final UserAdminWrapper userAdminWrapper;
+       // private final List<User> usersToUpdate;
+       //
+       // protected abstract void doUpdate(User user);
+       //
+       // public UpdateJob(UserAdminWrapper userAdminWrapper,
+       // List<User> usersToUpdate) {
+       // super("Perform update");
+       // this.usersToUpdate = usersToUpdate;
+       // this.userAdminWrapper = userAdminWrapper;
+       // }
+       //
+       // @Override
+       // protected IStatus doRun(IProgressMonitor progressMonitor) {
+       // try {
+       // JcrMonitor monitor = new EclipseJcrMonitor(progressMonitor);
+       // int total = usersToUpdate.size();
+       // monitor.beginTask("Performing change", total);
+       // userAdminWrapper.beginTransactionIfNeeded();
+       // for (User user : usersToUpdate) {
+       // doUpdate(user);
+       // monitor.worked(1);
+       // }
+       // userAdminWrapper.getUserTransaction().commit();
+       // } catch (Exception e) {
+       // throw new CmsException(
+       // "Cannot perform batch update on users", e);
+       // } finally {
+       // UserTransaction ut = userAdminWrapper.getUserTransaction();
+       // try {
+       // if (ut.getStatus() != javax.transaction.Status.STATUS_NO_TRANSACTION)
+       // ut.rollback();
+       // } catch (IllegalStateException | SecurityException
+       // | SystemException e) {
+       // log.error("Unable to rollback session in 'finally', "
+       // + "the system might be in a dirty state");
+       // e.printStackTrace();
+       // }
+       // }
+       // return Status.OK_STATUS;
+       // }
+       // }
+
+       // PAGES
+       /**
+        * Displays a combo box that enables user to choose which action to perform
+        */
+       private class ChooseCommandWizardPage extends WizardPage {
+               private static final long serialVersionUID = -8069434295293996633L;
+               private Combo chooseCommandCmb;
+               private Button trueChk;
+               private Text valueTxt;
+               private Text pwdTxt;
+               private Text pwd2Txt;
+
+               public ChooseCommandWizardPage() {
+                       super("Choose a command to run.");
+                       setTitle("Choose a command to run.");
+               }
+
+               @Override
+               public void createControl(Composite parent) {
+                       GridLayout gl = new GridLayout();
+                       Composite container = new Composite(parent, SWT.NO_FOCUS);
+                       container.setLayout(gl);
+
+                       chooseCommandCmb = new Combo(container, SWT.READ_ONLY);
+                       chooseCommandCmb.setLayoutData(EclipseUiUtils.fillWidth());
+                       String[] values = commands.keySet().toArray(new String[0]);
+                       chooseCommandCmb.setItems(values);
+
+                       final Composite bottomPart = new Composite(container, SWT.NO_FOCUS);
+                       bottomPart.setLayoutData(EclipseUiUtils.fillAll());
+                       bottomPart.setLayout(EclipseUiUtils.noSpaceGridLayout());
+
+                       chooseCommandCmb.addSelectionListener(new SelectionAdapter() {
+                               private static final long serialVersionUID = 1L;
+
+                               @Override
+                               public void widgetSelected(SelectionEvent e) {
+                                       if (getCommand().equals(CMD_UPDATE_PASSWORD))
+                                               populatePasswordCmp(bottomPart);
+                                       else if (getCommand().equals(CMD_UPDATE_EMAIL))
+                                               populateEmailCmp(bottomPart);
+                                       else if (getCommand().equals(CMD_GROUP_MEMBERSHIP))
+                                               populateGroupCmp(bottomPart);
+                                       else
+                                               populateBooleanFlagCmp(bottomPart);
+                                       checkPageComplete();
+                                       bottomPart.layout(true, true);
+                               }
+                       });
+                       setControl(container);
+               }
+
+               private void populateBooleanFlagCmp(Composite parent) {
+                       EclipseUiUtils.clear(parent);
+                       trueChk = new Button(parent, SWT.CHECK);
+                       trueChk.setText("Do it. (It will to the contrary if unchecked)");
+                       trueChk.setSelection(true);
+                       trueChk.setLayoutData(new GridData(SWT.LEFT, SWT.TOP, false, false));
+               }
+
+               private void populatePasswordCmp(Composite parent) {
+                       EclipseUiUtils.clear(parent);
+                       Composite body = new Composite(parent, SWT.NO_FOCUS);
+
+                       ModifyListener ml = new ModifyListener() {
+                               private static final long serialVersionUID = -1558726363536729634L;
+
+                               @Override
+                               public void modifyText(ModifyEvent event) {
+                                       checkPageComplete();
+                               }
+                       };
+
+                       body.setLayout(new GridLayout(2, false));
+                       body.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
+                       pwdTxt = EclipseUiUtils.createGridLP(body, "New password", ml);
+                       pwd2Txt = EclipseUiUtils.createGridLP(body, "Repeat password", ml);
+               }
+
+               private void populateEmailCmp(Composite parent) {
+                       EclipseUiUtils.clear(parent);
+                       Composite body = new Composite(parent, SWT.NO_FOCUS);
+
+                       ModifyListener ml = new ModifyListener() {
+                               private static final long serialVersionUID = 2147704227294268317L;
+
+                               @Override
+                               public void modifyText(ModifyEvent event) {
+                                       checkPageComplete();
+                               }
+                       };
+
+                       body.setLayout(new GridLayout(2, false));
+                       body.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
+                       valueTxt = EclipseUiUtils.createGridLT(body, "New e-mail", ml);
+               }
+
+               private void checkPageComplete() {
+                       String errorMsg = null;
+                       if (chooseCommandCmb.getSelectionIndex() < 0)
+                               errorMsg = "Please select an action";
+                       else if (CMD_UPDATE_EMAIL.equals(getCommand())) {
+                               if (!valueTxt.getText().matches(UiAdminUtils.EMAIL_PATTERN))
+                                       errorMsg = "Not a valid e-mail address";
+                       } else if (CMD_UPDATE_PASSWORD.equals(getCommand())) {
+                               if (EclipseUiUtils.isEmpty(pwdTxt.getText()) || pwdTxt.getText().length() < 4)
+                                       errorMsg = "Please enter a password that is at least 4 character long";
+                               else if (!pwdTxt.getText().equals(pwd2Txt.getText()))
+                                       errorMsg = "Passwords are different";
+                       }
+                       if (EclipseUiUtils.notEmpty(errorMsg)) {
+                               setMessage(errorMsg, WizardPage.ERROR);
+                               setPageComplete(false);
+                       } else {
+                               setMessage("Page complete, you can proceed to user choice", WizardPage.INFORMATION);
+                               setPageComplete(true);
+                       }
+
+                       getContainer().updateButtons();
+               }
+
+               private void populateGroupCmp(Composite parent) {
+                       EclipseUiUtils.clear(parent);
+                       trueChk = new Button(parent, SWT.CHECK);
+                       trueChk.setText("Add to group. (It will remove user(s) from the " + "corresponding group if unchecked)");
+                       trueChk.setSelection(true);
+                       trueChk.setLayoutData(new GridData(SWT.LEFT, SWT.TOP, false, false));
+               }
+
+               protected String getCommand() {
+                       return commands.get(chooseCommandCmb.getItem(chooseCommandCmb.getSelectionIndex()));
+               }
+
+               protected String getCommandLbl() {
+                       return chooseCommandCmb.getItem(chooseCommandCmb.getSelectionIndex());
+               }
+
+               @SuppressWarnings("unused")
+               protected boolean getBoleanValue() {
+                       // FIXME this is not consistent and will lead to errors.
+                       if ("argeo:enabled".equals(getCommand()))
+                               return trueChk.getSelection();
+                       else
+                               return !trueChk.getSelection();
+               }
+
+               @SuppressWarnings("unused")
+               protected String getStringValue() {
+                       String value = null;
+                       if (valueTxt != null) {
+                               value = valueTxt.getText();
+                               if ("".equals(value.trim()))
+                                       value = null;
+                       }
+                       return value;
+               }
+
+               protected char[] getPwdValue() {
+                       // We do not directly reset the password text fields: There is no
+                       // need to over secure this process: setting a pwd to multi users
+                       // at the same time is anyhow a bad practice and should be used only
+                       // in test environment or for temporary access
+                       if (pwdTxt == null || pwdTxt.isDisposed())
+                               return null;
+                       else
+                               return pwdTxt.getText().toCharArray();
+               }
+
+               protected String getEmailValue() {
+                       // We do not directly reset the password text fields: There is no
+                       // need to over secure this process: setting a pwd to multi users
+                       // at the same time is anyhow a bad practice and should be used only
+                       // in test environment or for temporary access
+                       if (valueTxt == null || valueTxt.isDisposed())
+                               return null;
+                       else
+                               return valueTxt.getText();
+               }
+       }
+
+       /**
+        * Displays a list of users with a check box to be able to choose some of them
+        */
+       private class ChooseUsersWizardPage extends WizardPage implements IPageChangedListener {
+               private static final long serialVersionUID = 7651807402211214274L;
+               private ChooseUserTableViewer userTableCmp;
+
+               public ChooseUsersWizardPage() {
+                       super("Choose Users");
+                       setTitle("Select users who will be impacted");
+               }
+
+               @Override
+               public void createControl(Composite parent) {
+                       Composite pageCmp = new Composite(parent, SWT.NONE);
+                       pageCmp.setLayout(EclipseUiUtils.noSpaceGridLayout());
+
+                       // Define the displayed columns
+                       List<ColumnDefinition> columnDefs = new ArrayList<ColumnDefinition>();
+                       columnDefs.add(new ColumnDefinition(new CommonNameLP(), "Common Name", 150));
+                       columnDefs.add(new ColumnDefinition(new MailLP(), "E-mail", 150));
+                       columnDefs.add(new ColumnDefinition(new DomainNameLP(), "Domain", 200));
+
+                       // Only show technical DN to admin
+                       if (CurrentUser.isInRole(CmsConstants.ROLE_ADMIN))
+                               columnDefs.add(new ColumnDefinition(new UserNameLP(), "Distinguished Name", 300));
+
+                       userTableCmp = new ChooseUserTableViewer(pageCmp, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL);
+                       userTableCmp.setLayoutData(EclipseUiUtils.fillAll());
+                       userTableCmp.setColumnDefinitions(columnDefs);
+                       userTableCmp.populate(true, true);
+                       userTableCmp.refresh();
+
+                       setControl(pageCmp);
+
+                       // Add listener to update message when shown
+                       final IWizardContainer wContainer = this.getContainer();
+                       if (wContainer instanceof IPageChangeProvider) {
+                               ((IPageChangeProvider) wContainer).addPageChangedListener(this);
+                       }
+
+               }
+
+               @Override
+               public void pageChanged(PageChangedEvent event) {
+                       if (event.getSelectedPage() == this) {
+                               String msg = "Chosen batch action: " + chooseCommandPage.getCommandLbl();
+                               ((WizardPage) event.getSelectedPage()).setMessage(msg);
+                       }
+               }
+
+               protected List<User> getSelectedUsers() {
+                       return userTableCmp.getSelectedUsers();
+               }
+
+               private class ChooseUserTableViewer extends LdifUsersTable {
+                       private static final long serialVersionUID = 5080437561015853124L;
+                       private final String[] knownProps = { LdapAttr.uid.name(), LdapAttr.DN, LdapAttr.cn.name(),
+                                       LdapAttr.givenName.name(), LdapAttr.sn.name(), LdapAttr.mail.name() };
+
+                       public ChooseUserTableViewer(Composite parent, int style) {
+                               super(parent, style);
+                       }
+
+                       @Override
+                       protected List<User> listFilteredElements(String filter) {
+                               Role[] roles;
+
+                               try {
+                                       StringBuilder builder = new StringBuilder();
+
+                                       StringBuilder tmpBuilder = new StringBuilder();
+                                       if (EclipseUiUtils.notEmpty(filter))
+                                               for (String prop : knownProps) {
+                                                       tmpBuilder.append("(");
+                                                       tmpBuilder.append(prop);
+                                                       tmpBuilder.append("=*");
+                                                       tmpBuilder.append(filter);
+                                                       tmpBuilder.append("*)");
+                                               }
+                                       if (tmpBuilder.length() > 1) {
+                                               builder.append("(&(").append(LdapAttr.objectClass.name()).append("=")
+                                                               .append(LdapObj.inetOrgPerson.name()).append(")(|");
+                                               builder.append(tmpBuilder.toString());
+                                               builder.append("))");
+                                       } else
+                                               builder.append("(").append(LdapAttr.objectClass.name()).append("=")
+                                                               .append(LdapObj.inetOrgPerson.name()).append(")");
+                                       roles = userAdminWrapper.getUserAdmin().getRoles(builder.toString());
+                               } catch (InvalidSyntaxException e) {
+                                       throw new CmsException("Unable to get roles with filter: " + filter, e);
+                               }
+                               List<User> users = new ArrayList<User>();
+                               for (Role role : roles)
+                                       // Prevent current logged in user to perform batch on
+                                       // himself
+                                       if (!UserAdminUtils.isCurrentUser((User) role))
+                                               users.add((User) role);
+                               return users;
+                       }
+               }
+       }
+
+       /** Summary of input data before launching the process */
+       private class ValidateAndLaunchWizardPage extends WizardPage implements IPageChangedListener {
+               private static final long serialVersionUID = 7098918351451743853L;
+               private ChosenUsersTableViewer userTableCmp;
+
+               public ValidateAndLaunchWizardPage() {
+                       super("Validate and launch");
+                       setTitle("Validate and launch");
+               }
+
+               @Override
+               public void createControl(Composite parent) {
+                       Composite pageCmp = new Composite(parent, SWT.NO_FOCUS);
+                       pageCmp.setLayout(EclipseUiUtils.noSpaceGridLayout());
+
+                       List<ColumnDefinition> columnDefs = new ArrayList<ColumnDefinition>();
+                       columnDefs.add(new ColumnDefinition(new CommonNameLP(), "Common Name", 150));
+                       columnDefs.add(new ColumnDefinition(new MailLP(), "E-mail", 150));
+                       columnDefs.add(new ColumnDefinition(new DomainNameLP(), "Domain", 200));
+                       // Only show technical DN to admin
+                       if (CurrentUser.isInRole(CmsConstants.ROLE_ADMIN))
+                               columnDefs.add(new ColumnDefinition(new UserNameLP(), "Distinguished Name", 300));
+                       userTableCmp = new ChosenUsersTableViewer(pageCmp, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL);
+                       userTableCmp.setLayoutData(EclipseUiUtils.fillAll());
+                       userTableCmp.setColumnDefinitions(columnDefs);
+                       userTableCmp.populate(false, false);
+                       userTableCmp.refresh();
+                       setControl(pageCmp);
+                       // Add listener to update message when shown
+                       final IWizardContainer wContainer = this.getContainer();
+                       if (wContainer instanceof IPageChangeProvider) {
+                               ((IPageChangeProvider) wContainer).addPageChangedListener(this);
+                       }
+               }
+
+               @Override
+               public void pageChanged(PageChangedEvent event) {
+                       if (event.getSelectedPage() == this) {
+                               @SuppressWarnings({ "unchecked", "rawtypes" })
+                               Object[] values = ((ArrayList) userListPage.getSelectedUsers())
+                                               .toArray(new Object[userListPage.getSelectedUsers().size()]);
+                               userTableCmp.getTableViewer().setInput(values);
+                               String msg = "Following batch action: [" + chooseCommandPage.getCommandLbl()
+                                               + "] will be perfomed on the users listed below.\n";
+                               // + "Are you sure you want to proceed?";
+                               setMessage(msg);
+                       }
+               }
+
+               private class ChosenUsersTableViewer extends LdifUsersTable {
+                       private static final long serialVersionUID = 7814764735794270541L;
+
+                       public ChosenUsersTableViewer(Composite parent, int style) {
+                               super(parent, style);
+                       }
+
+                       @Override
+                       protected List<User> listFilteredElements(String filter) {
+                               return userListPage.getSelectedUsers();
+                       }
+               }
+       }
+}