eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/ui/dialog/LoginDialog.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.dialog;
  12
  13 import org.eclipse.jface.dialogs.Dialog;
  14 import org.eclipse.jface.dialogs.MessageDialog;
  15 import org.eclipse.swt.SWT;
  16 import org.eclipse.swt.custom.CLabel;
  17 import org.eclipse.swt.layout.GridData;
  18 import org.eclipse.swt.widgets.Composite;
  19 import org.eclipse.swt.widgets.Control;
  20 import org.eclipse.swt.widgets.Shell;
  21 import org.eclipse.swt.widgets.Text;
  22
  23 import eu.etaxonomy.taxeditor.store.CdmStore;
  24 import eu.etaxonomy.taxeditor.store.StoreUtil;
  25
  26 /**
  27  * TODO wrap in a LoginModule
  28  * see: http://java.sun.com/j2se/1.5.0/docs/api/javax/security/auth/spi/LoginModule.html
  29  *
  30  * @author n.hoffmann
  31  * @created 16.06.2009
  32  * @version 1.0
  33  */
  34 public class LoginDialog extends Dialog {
  35
  36         private static Text text_password;
  37         private static Text text_username;
  38
  39         private String title;
  40
  41         /**
  42          * <p>Constructor for LoginDialog.</p>
  43          *
  44          * @param parentShell a {@link org.eclipse.swt.widgets.Shell} object.
  45          */
  46         public LoginDialog(Shell parentShell) {
  47                 super(parentShell);
  48                 title = "Login";
  49         }
  50
  51
  52         /* (non-Javadoc)
  53          * @see org.eclipse.jface.dialogs.Dialog#createDialogArea(org.eclipse.swt.widgets.Composite)
  54          */
  55         /** {@inheritDoc} */
  56         @Override
  57         protected Control createDialogArea(Composite parent) {
  58                 Composite composite = (Composite) super.createDialogArea(parent);
  59                 //add controls to composite as necessary
  60
  61
  62                 // Label for the heading
  63                 final CLabel titleLabel = new CLabel(composite, SWT.NONE);
  64                 titleLabel.setText("User Login");
  65
  66                 // Label for the username
  67                 final CLabel userNameLabel = new CLabel(composite, SWT.NONE);
  68                 userNameLabel.setText("Username");
  69
  70                 // Textfield for the username
  71                 text_username = new Text(composite, SWT.BORDER);
  72                 text_username.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
  73
  74                 // Label for the password
  75                 final CLabel passwordLabel = new CLabel(composite, SWT.NONE);
  76                 passwordLabel.setText("Password");
  77
  78                 // Textfield for the password
  79                 text_password = new Text(composite, SWT.PASSWORD | SWT.BORDER);
  80                 text_password.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
  81
  82
  83                 return composite;
  84         }
  85
  86     /*
  87      * (non-Javadoc)
  88      *
  89      * @see org.eclipse.jface.window.Window#configureShell(org.eclipse.swt.widgets.Shell)
  90      */
  91     /** {@inheritDoc} */
  92     protected void configureShell(Shell shell) {
  93         super.configureShell(shell);
  94         if (title != null) {
  95                         shell.setText(title);
  96                 }
  97     }
  98
  99         /* (non-Javadoc)
 100          * @see org.eclipse.jface.dialogs.Dialog#okPressed()
 101          */
 102         /** {@inheritDoc} */
 103         @Override
 104         protected void okPressed() {
 105                 String username = text_username.getText();
 106                 String password = text_password.getText();
 107
 108                 boolean result = CdmStore.getLoginManager().authenticate(username, password);
 109
 110                 if(result){
 111                         super.okPressed();
 112                 }
 113
 114         }
 115
 116         @Override
 117         protected void cancelPressed() {
 118                 if(CdmStore.getLoginManager().getAuthenticatedUser() != null){
 119                         super.cancelPressed();
 120                 }else{
 121                         // if there is no active user and the current user chooses to cancel, we close the connection
 122                         boolean result = MessageDialog.openConfirm(getShell(), "Do you really want to cancel", "Aborting the login procedure will close the database.");
 123
 124                         if(result){
 125                                 CdmStore.close(StoreUtil.getMonitor());
 126                                 super.cancelPressed();
 127                         }
 128                 }
 129         }
 130 }