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

   1 /*
   2  * Copyright 2011 GRNET S.A. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or
   5  * without modification, are permitted provided that the following
   6  * conditions are met:
   7  *
   8  *   1. Redistributions of source code must retain the above
   9  *      copyright notice, this list of conditions and the following
  10  *      disclaimer.
  11  *
  12  *   2. Redistributions in binary form must reproduce the above
  13  *      copyright notice, this list of conditions and the following
  14  *      disclaimer in the documentation and/or other materials
  15  *      provided with the distribution.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
  18  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  20  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
  21  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  22  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  23  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  24  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  25  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  27  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  28  * POSSIBILITY OF SUCH DAMAGE.
  29  *
  30  * The views and conclusions contained in the software and
  31  * documentation are those of the authors and should not be
  32  * interpreted as representing official policies, either expressed
  33  * or implied, of GRNET S.A.
  34  */
  35 package gr.grnet.pithos.web.client;
  36
  37 import com.google.gwt.dom.client.NativeEvent;
  38 import com.google.gwt.event.dom.client.ClickEvent;
  39 import com.google.gwt.event.dom.client.ClickHandler;
  40 import com.google.gwt.event.dom.client.KeyCodes;
  41 import com.google.gwt.user.client.Event.NativePreviewEvent;
  42 import com.google.gwt.user.client.ui.Button;
  43 import com.google.gwt.user.client.ui.DialogBox;
  44 import com.google.gwt.user.client.ui.HTML;
  45 import com.google.gwt.user.client.ui.HasHorizontalAlignment;
  46 import com.google.gwt.user.client.ui.VerticalPanel;
  47
  48
  49 public class SessionExpiredDialog extends DialogBox {
  50         protected Pithos app;
  51         /**
  52          * The widget constructor.
  53          */
  54         public SessionExpiredDialog(Pithos _app) {
  55         app = _app;
  56                 // Set the dialog's caption.
  57                 setText("Session Expired");
  58                 setAnimationEnabled(true);
  59                 setGlassEnabled(true);
  60                 setStyleName("pithos-DialogBox");
  61
  62                 VerticalPanel outer = new VerticalPanel();
  63
  64                 VerticalPanel inner = new VerticalPanel();
  65                 inner.addStyleName("inner");
  66
  67                 // Create the text and set a style name so we can style it with CSS.
  68                 HTML text = new HTML("<p>Your session has expired. You will have to reauthenticate with your Identity Provider.</p> ");
  69                 text.setStyleName("pithos-sessionExpired");
  70                 inner.add(text);
  71
  72                 // Create the 'OK' button, along with a listener that hides the dialog
  73                 // when the button is clicked.
  74                 Button confirm = new Button("Proceed", new ClickHandler() {
  75                         @Override
  76                         public void onClick(@SuppressWarnings("unused") ClickEvent event) {
  77                                 app.authenticateUser();
  78                                 hide();
  79                         }
  80                 });
  81                 confirm.addStyleName("button");
  82                 inner.add(confirm);
  83                 outer.add(inner);
  84                 outer.setCellHorizontalAlignment(inner, HasHorizontalAlignment.ALIGN_CENTER);
  85                 outer.setSpacing(8);
  86                 setWidget(outer);
  87         }
  88
  89         @Override
  90         protected void onPreviewNativeEvent(NativePreviewEvent preview) {
  91                 super.onPreviewNativeEvent(preview);
  92
  93                 NativeEvent evt = preview.getNativeEvent();
  94                 if (evt.getType().equals("keydown"))
  95                         // Use the popup's key preview hooks to close the dialog when either
  96                         // enter or escape is pressed.
  97                         switch (evt.getKeyCode()) {
  98                                 case KeyCodes.KEY_ENTER:
  99                                         app.authenticateUser();
 100                                         hide();
 101                                         break;
 102                                 case KeyCodes.KEY_ESCAPE:
 103                                         hide();
 104                                         break;
 105                         }
 106         }
 107
 108
 109
 110 }