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

   1 /*
   2  * Copyright 2011-2012 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.Anchor;
  43 import com.google.gwt.user.client.ui.Button;
  44 import com.google.gwt.user.client.ui.DialogBox;
  45 import com.google.gwt.user.client.ui.FlexTable;
  46 import com.google.gwt.user.client.ui.HTML;
  47 import com.google.gwt.user.client.ui.HasHorizontalAlignment;
  48 import com.google.gwt.user.client.ui.TextBox;
  49 import com.google.gwt.user.client.ui.VerticalPanel;
  50
  51
  52 /**
  53  * A dialog box that displays the user credentials for use in other client
  54  * applications.
  55  */
  56 public class CredentialsDialog extends DialogBox {
  57
  58         private final String WIDTH_FIELD = "35em";
  59         private final String WIDTH_TEXT = "42em";
  60
  61         /**
  62          * The widget constructor.
  63          */
  64         public CredentialsDialog(final Pithos app) {
  65                 Anchor close = new Anchor("close");
  66                 close.addStyleName("close");
  67                 close.addClickHandler(new ClickHandler() {
  68
  69                         @Override
  70                         public void onClick(ClickEvent event) {
  71                                 hide();
  72                         }
  73                 });
  74                 // Set the dialog's caption.
  75                 setText("User Credentials");
  76                 setGlassEnabled(true);
  77                 setStyleName("pithos-DialogBox");
  78                 // A VerticalPanel that contains the 'about' label and the 'OK' button.
  79                 VerticalPanel outer = new VerticalPanel();
  80                 outer.add(close);
  81
  82                 VerticalPanel inner = new VerticalPanel();
  83                 inner.addStyleName("inner");
  84
  85                 // Create the text and set a style name so we can style it with CSS.
  86                 HTML text = new HTML("<p>These are the user credentials that are " +
  87                                 "required for interacting with Pithos+");
  88                 text.setStyleName("pithos-credentialsText");
  89                 text.setWidth(WIDTH_TEXT);
  90                 inner.add(text);
  91                 FlexTable table = new FlexTable();
  92                 table.setText(0, 0, "Username");
  93                 table.setText(1, 0, "Token");
  94                 TextBox username = new TextBox();
  95                 username.setText(app.getUserID());
  96                 username.setReadOnly(true);
  97                 username.setWidth(WIDTH_FIELD);
  98                 username.addClickHandler(new ClickHandler() {
  99                         @Override
 100                         public void onClick(ClickEvent event) {
 101                                 Pithos.enableIESelection();
 102                                 ((TextBox) event.getSource()).selectAll();
 103                                 Pithos.preventIESelection();
 104                         }
 105
 106                 });
 107                 table.setWidget(0, 1, username);
 108
 109                 TextBox tokenBox = new TextBox();
 110                 tokenBox.setText(app.getUserToken());
 111                 tokenBox.setReadOnly(true);
 112                 tokenBox.setWidth(WIDTH_FIELD);
 113                 tokenBox.addClickHandler(new ClickHandler() {
 114                         @Override
 115                         public void onClick(ClickEvent event) {
 116                                 Pithos.enableIESelection();
 117                                 ((TextBox) event.getSource()).selectAll();
 118                                 Pithos.preventIESelection();
 119                         }
 120
 121                 });
 122                 table.setWidget(1, 1, tokenBox);
 123
 124                 table.getFlexCellFormatter().setStyleName(0, 0, "props-labels");
 125                 table.getFlexCellFormatter().setStyleName(0, 1, "props-values");
 126                 table.getFlexCellFormatter().setStyleName(1, 0, "props-labels");
 127                 table.getFlexCellFormatter().setStyleName(1, 1, "props-values");
 128                 inner.add(table);
 129
 130                 // Create the 'OK' button, along with a listener that hides the dialog
 131                 // when the button is clicked.
 132                 Button confirm = new Button("OK", new ClickHandler() {
 133                         @Override
 134                         public void onClick(ClickEvent event) {
 135                                 hide();
 136                         }
 137                 });
 138                 confirm.addStyleName("button");
 139                 inner.add(confirm);
 140                 outer.add(inner);
 141                 outer.setCellHorizontalAlignment(inner, HasHorizontalAlignment.ALIGN_CENTER);
 142                 setWidget(outer);
 143         }
 144
 145         @Override
 146         protected void onPreviewNativeEvent(NativePreviewEvent preview) {
 147                 super.onPreviewNativeEvent(preview);
 148                 NativeEvent evt = preview.getNativeEvent();
 149                 if (evt.getType().equals("keydown"))
 150                         // Use the popup's key preview hooks to close the dialog when
 151                         // either enter or escape is pressed.
 152                         switch (evt.getKeyCode()) {
 153                                 case KeyCodes.KEY_ENTER:
 154                                 case KeyCodes.KEY_ESCAPE:
 155                                         hide();
 156                                         break;
 157                         }
 158         }
 159 }