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  * <p>UserWizardPage class.</p>
  33  *
  34  * @author n.hoffmann
  35  * @created 02.07.2009
  36  * @version 1.0
  37  */
  38 public class PasswordWizardPage extends AbstractCdmEntityWizardPage<User> implements ModifyListener{
  39
  40         /** Constant <code>NAME="USER_WIZARD_PAGE"</code> */
  41         public static final String NAME = "USER_WIZARD_PAGE";
  42
  43         private TextWithLabelElement text_oldPassword;
  44         private TextWithLabelElement text_password;
  45         private TextWithLabelElement text_passwordRepeat;
  46         private final PasswordValidator passwordValidator;
  47
  48         private final UniqueUserNameValidator uniqueUsernameValidator;
  49
  50         /**
  51          * @param formFactory
  52          * @param conversation
  53          * @param entity
  54          */
  55         protected PasswordWizardPage(CdmFormFactory formFactory,
  56                         ConversationHolder conversation, User entity) {
  57                 super(formFactory, conversation, entity);
  58
  59                 passwordValidator = new PasswordValidator();
  60                 uniqueUsernameValidator = new UniqueUserNameValidator();
  61         }
  62
  63         /* (non-Javadoc)
  64          * @see eu.etaxonomy.taxeditor.ui.forms.AbstractCdmEntityWizardPage#createControl(org.eclipse.swt.widgets.Composite)
  65          */
  66         @Override
  67         public void createControl(Composite parent) {
  68                 Composite control = formFactory.createComposite(parent);
  69                 control.setLayoutData(LayoutConstants.FILL());
  70
  71                 setPageComplete(false);
  72
  73                 control.setLayout(LayoutConstants.LAYOUT(2, false));
  74                 WizardPageRootElement rootElement = new WizardPageRootElement(formFactory, control, getConversationHolder());
  75
  76                 if(isChangingOwnPassword()) {
  77                     text_oldPassword = formFactory.createTextWithLabelElement(rootElement, "Old Password", null, SWT.PASSWORD);
  78                 }
  79                 text_password =  formFactory.createTextWithLabelElement(rootElement, "New Password", null, SWT.PASSWORD);
  80                 text_passwordRepeat =  formFactory.createTextWithLabelElement(rootElement, "Repeat Password", null, SWT.PASSWORD);
  81
  82                 ((Text)text_passwordRepeat.getMainControl()).addModifyListener(this);
  83
  84                 setControl(control);
  85         }
  86
  87     protected boolean isChangingOwnPassword() {
  88         return getEntity() != null && getEntity().getUsername().equals(CdmStore.getCurrentAuthentiation().getName());
  89     }
  90
  91
  92         /* (non-Javadoc)
  93          * @see eu.etaxonomy.taxeditor.ui.forms.AbstractCdmEntityWizardPage#createElement(eu.etaxonomy.taxeditor.ui.forms.ICdmFormElement)
  94          */
  95         @Override
  96         public AbstractCdmDetailElement<User> createElement(
  97                         ICdmFormElement rootElement) {
  98                 // not used
  99                 return null;
 100         }
 101
 102         /* (non-Javadoc)
 103          * @see org.eclipse.swt.events.ModifyListener#modifyText(org.eclipse.swt.events.ModifyEvent)
 104          */
 105         /** {@inheritDoc} */
 106         @Override
 107     public void modifyText(ModifyEvent e) {
 108                 validate();
 109         }
 110
 111         private void validate(){
 112                 String message;
 113
 114                 if((message = passwordValidator.passwordsMatch(text_password.getText(), text_passwordRepeat.getText())) != null){
 115                         // pass
 116                 }
 117                 else if((message = passwordValidator.isValid(text_password.getText())) != null){
 118                         // pass
 119                 }
 120
 121                 setErrorMessage(message);
 122         }
 123
 124         private class UniqueUserNameValidator implements IInputValidator{
 125
 126                 private static final String USER_EXISTS = "Username already exists";
 127                 private static final String NAME_TO_SHORT = "Username is empty";
 128
 129                 /* (non-Javadoc)
 130                  * @see org.eclipse.jface.dialogs.IInputValidator#isValid(java.lang.String)
 131                  */
 132                 @Override
 133         public String isValid(String newText) {
 134                         // query for username
 135                         if(newText.length() < 1){
 136                                 setPageComplete(false);
 137                                 return NAME_TO_SHORT;
 138                         }
 139                         if(CdmStore.getService(IUserService.class).userExists(newText)){
 140                                 setPageComplete(false);
 141                                 return USER_EXISTS;
 142                         }
 143
 144                         setPageComplete(true);
 145                         return null;
 146                 }
 147         }
 148
 149         private class PasswordValidator implements IInputValidator{
 150
 151                 private static final int PW_MIN_LENGTH = 5;
 152
 153                 private static final String TO_SHORT = "Password has to have at least " + PW_MIN_LENGTH + " characters";
 154                 private static final String NO_MATCH = "The passwords do not match";
 155
 156                 /* (non-Javadoc)
 157                  * @see org.eclipse.jface.dialogs.IInputValidator#isValid(java.lang.String)
 158                  */
 159                 @Override
 160         public String isValid(String newText) {
 161                         if(newText.length() < PW_MIN_LENGTH){
 162                                 setPageComplete(false);
 163                                 return TO_SHORT;
 164                         }
 165
 166                         setPageComplete(true);
 167                         return null;
 168                 }
 169
 170                 public String passwordsMatch(String password1, String password2){
 171
 172                         if(! password1.equals(password2)){
 173                                 setPageComplete(false);
 174                                 return NO_MATCH;
 175                         }
 176
 177                         setPageComplete(true);
 178                         return null;
 179                 }
 180
 181         }
 182
 183         /**
 184          * @return
 185          */
 186         public String getOldPassword() {
 187                 return text_oldPassword.getText();
 188         }
 189
 190         /**
 191          * @return
 192          */
 193         public String getNewPassword() {
 194                 return text_password.getText();
 195         }
 196 }