taxeditor-store/src/main/java/eu/etaxonomy/taxeditor/ui/bar/AuthenticatedUserBar.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.bar;
  12
  13 import java.util.Observable;
  14 import java.util.Observer;
  15
  16 import org.eclipse.swt.SWT;
  17 import org.eclipse.swt.layout.GridLayout;
  18 import org.eclipse.swt.widgets.Composite;
  19 import org.eclipse.swt.widgets.Control;
  20 import org.eclipse.swt.widgets.Label;
  21 import org.eclipse.ui.menus.WorkbenchWindowControlContribution;
  22
  23 import eu.etaxonomy.cdm.model.common.User;
  24 import eu.etaxonomy.taxeditor.store.CdmStore;
  25
  26 /**
  27  * Shows the currently logged in user in status bar
  28  *
  29  * @author n.hoffmann
  30  * @created 01.07.2009
  31  * @version 1.0
  32  */
  33 public class AuthenticatedUserBar extends WorkbenchWindowControlContribution implements Observer{
  34
  35         private Label label_authenticatedUser;
  36
  37         /**
  38          * <p>Constructor for AuthenticatedUserBar.</p>
  39          */
  40         public AuthenticatedUserBar(){
  41                 CdmStore.getLoginManager().addObserver(this);
  42         }
  43
  44         /* (non-Javadoc)
  45          * @see org.eclipse.jface.action.ControlContribution#createControl(org.eclipse.swt.widgets.Composite)
  46          */
  47         /** {@inheritDoc} */
  48         @Override
  49         protected Control createControl(Composite parent) {
  50                 final Composite composite = new Composite(parent, SWT.NONE);
  51                 final GridLayout layout = new GridLayout();
  52                 composite.setLayout(layout);
  53
  54                 label_authenticatedUser = new Label(composite, SWT.NULL);
  55
  56                 update(null, null);
  57
  58                 return composite;
  59         }
  60
  61         /* (non-Javadoc)
  62          * @see java.util.Observer#update(java.util.Observable, java.lang.Object)
  63          */
  64         /** {@inheritDoc} */
  65         public void update(Observable o, Object arg) {
  66                 User authenticatedUser = CdmStore.getLoginManager().getAuthenticatedUser();
  67                 // TODO find a method to recompute width for parental toolbar item
  68                 String text = authenticatedUser == null ? "Not logged in              " :
  69                                                                                                   "Logged in as: " + authenticatedUser.getUsername() + "         ";
  70                 label_authenticatedUser.setText(text);
  71         }
  72
  73         /* (non-Javadoc)
  74          * @see org.eclipse.jface.action.ContributionItem#dispose()
  75          */
  76         /** {@inheritDoc} */
  77         @Override
  78         public void dispose() {
  79                 super.dispose();
  80
  81                 CdmStore.getLoginManager().deleteObserver(this);
  82         }
  83
  84
  85 }