code.grnet.gr Git - pithos/blob - web_client/src/gr/grnet/pithos/web/client/SessionExpiredDialog.java

   1 /*
   2  * Copyright 2009 Electronic Business Systems Ltd.
   3  *
   4  * This file is part of GSS.
   5  *
   6  * GSS is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation, either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * GSS is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with GSS.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19 package gr.grnet.pithos.web.client;
  20
  21 import com.google.gwt.dom.client.NativeEvent;
  22 import com.google.gwt.event.dom.client.ClickEvent;
  23 import com.google.gwt.event.dom.client.ClickHandler;
  24 import com.google.gwt.event.dom.client.KeyCodes;
  25 import com.google.gwt.user.client.Event.NativePreviewEvent;
  26 import com.google.gwt.user.client.ui.Button;
  27 import com.google.gwt.user.client.ui.DialogBox;
  28 import com.google.gwt.user.client.ui.HTML;
  29 import com.google.gwt.user.client.ui.HasHorizontalAlignment;
  30 import com.google.gwt.user.client.ui.VerticalPanel;
  31
  32
  33 /**
  34  * @author kman
  35  *
  36  */
  37 public class SessionExpiredDialog extends DialogBox {
  38         /**
  39          * The widget constructor.
  40          */
  41         public SessionExpiredDialog() {
  42                 // Set the dialog's caption.
  43                 setText("Session Expired");
  44                 setAnimationEnabled(true);
  45                 VerticalPanel outer = new VerticalPanel();
  46
  47                 // Create the text and set a style name so we can style it with CSS.
  48                 HTML text = new HTML("<p>Your session has expired. You will have to reauthenticate with your Identity Provider.</p> ");
  49                 text.setStyleName("pithos-AboutText");
  50                 outer.add(text);
  51
  52                 // Create the 'OK' button, along with a listener that hides the dialog
  53                 // when the button is clicked.
  54                 Button confirm = new Button("Proceed", new ClickHandler() {
  55                         @Override
  56                         public void onClick(ClickEvent event) {
  57                                 GSS.get().authenticateUser();
  58                                 hide();
  59                         }
  60                 });
  61                 outer.add(confirm);
  62                 outer.setCellHorizontalAlignment(confirm, HasHorizontalAlignment.ALIGN_CENTER);
  63                 outer.setSpacing(8);
  64                 setWidget(outer);
  65         }
  66
  67         @Override
  68         protected void onPreviewNativeEvent(NativePreviewEvent preview) {
  69                 super.onPreviewNativeEvent(preview);
  70
  71                 NativeEvent evt = preview.getNativeEvent();
  72                 if (evt.getType().equals("keydown"))
  73                         // Use the popup's key preview hooks to close the dialog when either
  74                         // enter or escape is pressed.
  75                         switch (evt.getKeyCode()) {
  76                                 case KeyCodes.KEY_ENTER:
  77                                         GSS.get().authenticateUser();
  78                                         hide();
  79                                         break;
  80                                 case KeyCodes.KEY_ESCAPE:
  81                                         hide();
  82                                         break;
  83                         }
  84         }
  85
  86
  87
  88 }