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.graphics.Color;
  18 import org.eclipse.swt.widgets.Composite;
  19 import org.eclipse.swt.widgets.Text;
  20
  21 import eu.etaxonomy.cdm.api.conversation.ConversationHolder;
  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         protected PasswordWizardPage(CdmFormFactory formFactory,
  46                         ConversationHolder conversation, User entity) {
  47                 super(formFactory, conversation, entity);
  48
  49                 passwordValidator = new PasswordValidator();
  50
  51                 setTitle("Change password");
  52                 setDescription("Change password and confirm with current password");
  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                 Color bgColor = getShell().getBackground();
  74                 rootElement.setBackground(bgColor);
  75                 control.setBackground(bgColor);
  76                 setControl(control);
  77         }
  78
  79     protected boolean isChangingOwnPassword() {
  80         return getEntity() != null && getEntity().getUsername().equals(CdmStore.getCurrentAuthentiation().getName());
  81     }
  82
  83
  84         @Override
  85         public AbstractCdmDetailElement<User> createElement(
  86                         ICdmFormElement rootElement) {
  87                 // not used
  88                 return null;
  89         }
  90
  91         /** {@inheritDoc} */
  92         @Override
  93     public void modifyText(ModifyEvent e) {
  94                 validate();
  95         }
  96
  97         private void validate(){
  98                 String message;
  99
 100                 if((message = passwordValidator.passwordsMatch(text_password.getText(), text_passwordRepeat.getText())) != null){
 101                         // pass
 102                 }
 103                 else if((message = passwordValidator.isValid(text_password.getText())) != null){
 104                         // pass
 105                 }
 106
 107                 setErrorMessage(message);
 108         }
 109
 110         private class PasswordValidator implements IInputValidator{
 111
 112                 private static final int PW_MIN_LENGTH = 5;
 113
 114                 private static final String TO_SHORT = "Password has to have at least " + PW_MIN_LENGTH + " characters";
 115                 private static final String NO_MATCH = "The passwords do not match";
 116
 117                 @Override
 118         public String isValid(String newText) {
 119                         if(newText.length() < PW_MIN_LENGTH){
 120                                 setPageComplete(false);
 121                                 return TO_SHORT;
 122                         }
 123
 124                         setPageComplete(true);
 125                         return null;
 126                 }
 127
 128                 public String passwordsMatch(String password1, String password2){
 129
 130                         if(! password1.equals(password2)){
 131                                 setPageComplete(false);
 132                                 return NO_MATCH;
 133                         }
 134
 135                         setPageComplete(true);
 136                         return null;
 137                 }
 138
 139         }
 140
 141         public String getOldPassword() {
 142                 return text_oldPassword.getText();
 143         }
 144
 145         public String getNewPassword() {
 146                 return text_password.getText();
 147         }
 148 }