eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/ui/password/PasswordWizardPage.java

   1 // $Id$
   2 /**
   3 * Copyright (C) 2007 EDIT
   4 * European Distributed Institute of Taxonomy
   5 * http://www.e-taxonomy.eu
   6 *
   7 * The contents of this file are subject to the Mozilla Public License Version 1.1
   8 * See LICENSE.TXT at the top of this package for the full license terms.
   9 */
  10
  11 package eu.etaxonomy.taxeditor.ui.password;
  12
  13 import org.eclipse.jface.dialogs.IInputValidator;
  14 import org.eclipse.swt.SWT;
  15 import org.eclipse.swt.events.ModifyEvent;
  16 import org.eclipse.swt.events.ModifyListener;
  17 import org.eclipse.swt.widgets.Composite;
  18 import org.eclipse.swt.widgets.Text;
  19
  20 import eu.etaxonomy.cdm.api.conversation.ConversationHolder;
  21 import eu.etaxonomy.cdm.api.service.IUserService;
  22 import eu.etaxonomy.cdm.model.common.User;
  23 import eu.etaxonomy.taxeditor.store.CdmStore;
  24 import eu.etaxonomy.taxeditor.ui.element.AbstractCdmEntityWizardPage;
  25 import eu.etaxonomy.taxeditor.ui.element.CdmFormFactory;
  26 import eu.etaxonomy.taxeditor.ui.element.ICdmFormElement;
  27 import eu.etaxonomy.taxeditor.ui.element.LayoutConstants;
  28 import eu.etaxonomy.taxeditor.ui.element.TextWithLabelElement;
  29 import eu.etaxonomy.taxeditor.ui.section.AbstractCdmDetailElement;
  30
  31 /**
  32  * @author n.hoffmann
  33  * @created 02.07.2009
  34  * @version 1.0
  35  */
  36 public class PasswordWizardPage extends AbstractCdmEntityWizardPage<User> implements ModifyListener{
  37
  38         public static final String NAME = "USER_WIZARD_PAGE";
  39
  40         private TextWithLabelElement text_oldPassword;
  41         private TextWithLabelElement text_password;
  42         private TextWithLabelElement text_passwordRepeat;
  43         private final PasswordValidator passwordValidator;
  44
  45         private final UniqueUserNameValidator uniqueUsernameValidator;
  46
  47         protected PasswordWizardPage(CdmFormFactory formFactory,
  48                         ConversationHolder conversation, User entity) {
  49                 super(formFactory, conversation, entity);
  50
  51                 passwordValidator = new PasswordValidator();
  52                 uniqueUsernameValidator = new UniqueUserNameValidator();
  53         }
  54
  55         @Override
  56         public void createControl(Composite parent) {
  57                 Composite control = formFactory.createComposite(parent);
  58                 control.setLayoutData(LayoutConstants.FILL());
  59
  60                 setPageComplete(false);
  61
  62                 control.setLayout(LayoutConstants.LAYOUT(2, false));
  63                 WizardPageRootElement rootElement = new WizardPageRootElement(formFactory, control, getConversationHolder());
  64
  65                 if(isChangingOwnPassword()) {
  66                     text_oldPassword = formFactory.createTextWithLabelElement(rootElement, "Old Password", null, SWT.PASSWORD);
  67                 }
  68                 text_password =  formFactory.createTextWithLabelElement(rootElement, "New Password", null, SWT.PASSWORD);
  69                 text_passwordRepeat =  formFactory.createTextWithLabelElement(rootElement, "Repeat Password", null, SWT.PASSWORD);
  70
  71                 ((Text)text_passwordRepeat.getMainControl()).addModifyListener(this);
  72
  73                 setControl(control);
  74         }
  75
  76     protected boolean isChangingOwnPassword() {
  77         return getEntity() != null && getEntity().getUsername().equals(CdmStore.getCurrentAuthentiation().getName());
  78     }
  79
  80
  81         @Override
  82         public AbstractCdmDetailElement<User> createElement(
  83                         ICdmFormElement rootElement) {
  84                 // not used
  85                 return null;
  86         }
  87
  88         /** {@inheritDoc} */
  89         @Override
  90     public void modifyText(ModifyEvent e) {
  91                 validate();
  92         }
  93
  94         private void validate(){
  95                 String message;
  96
  97                 if((message = passwordValidator.passwordsMatch(text_password.getText(), text_passwordRepeat.getText())) != null){
  98                         // pass
  99                 }
 100                 else if((message = passwordValidator.isValid(text_password.getText())) != null){
 101                         // pass
 102                 }
 103
 104                 setErrorMessage(message);
 105         }
 106
 107         private class UniqueUserNameValidator implements IInputValidator{
 108
 109                 private static final String USER_EXISTS = "Username already exists";
 110                 private static final String NAME_TO_SHORT = "Username is empty";
 111
 112                 @Override
 113         public String isValid(String newText) {
 114                         // query for username
 115                         if(newText.length() < 1){
 116                                 setPageComplete(false);
 117                                 return NAME_TO_SHORT;
 118                         }
 119                         if(CdmStore.getService(IUserService.class).userExists(newText)){
 120                                 setPageComplete(false);
 121                                 return USER_EXISTS;
 122                         }
 123
 124                         setPageComplete(true);
 125                         return null;
 126                 }
 127         }
 128
 129         private class PasswordValidator implements IInputValidator{
 130
 131                 private static final int PW_MIN_LENGTH = 5;
 132
 133                 private static final String TO_SHORT = "Password has to have at least " + PW_MIN_LENGTH + " characters";
 134                 private static final String NO_MATCH = "The passwords do not match";
 135
 136                 @Override
 137         public String isValid(String newText) {
 138                         if(newText.length() < PW_MIN_LENGTH){
 139                                 setPageComplete(false);
 140                                 return TO_SHORT;
 141                         }
 142
 143                         setPageComplete(true);
 144                         return null;
 145                 }
 146
 147                 public String passwordsMatch(String password1, String password2){
 148
 149                         if(! password1.equals(password2)){
 150                                 setPageComplete(false);
 151                                 return NO_MATCH;
 152                         }
 153
 154                         setPageComplete(true);
 155                         return null;
 156                 }
 157
 158         }
 159
 160         public String getOldPassword() {
 161                 return text_oldPassword.getText();
 162         }
 163
 164         public String getNewPassword() {
 165                 return text_password.getText();
 166         }
 167 }