code.grnet.gr Git - pithos-web-client/blob - src/gr/grnet/pithos/web/client/CredentialsDialog.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.FlexTable;
  45 import com.google.gwt.user.client.ui.HTML;
  46 import com.google.gwt.user.client.ui.HasHorizontalAlignment;
  47 import com.google.gwt.user.client.ui.TextBox;
  48 import com.google.gwt.user.client.ui.VerticalPanel;
  49
  50
  51 /**
  52  * A dialog box that displays the user credentials for use in other client
  53  * applications.
  54  */
  55 public class CredentialsDialog extends DialogBox {
  56
  57         private final String WIDTH_FIELD = "35em";
  58         private final String WIDTH_TEXT = "42em";
  59
  60         /**
  61          * The widget constructor.
  62          */
  63         public CredentialsDialog(final Pithos app, final MessagePanel.Images images) {
  64                 // Set the dialog's caption.
  65                 setText("User Credentials");
  66                 setAnimationEnabled(true);
  67                 // A VerticalPanel that contains the 'about' label and the 'OK' button.
  68                 VerticalPanel outer = new VerticalPanel();
  69                 // Create the text and set a style name so we can style it with CSS.
  70                 HTML text = new HTML("<p>These are the user credentials that are " +
  71                                 "required for interacting with Pithos+");
  72                 text.setStyleName("pithos-credentialsText");
  73                 text.setWidth(WIDTH_TEXT);
  74                 outer.add(text);
  75                 FlexTable table = new FlexTable();
  76                 table.setText(0, 0, "Username");
  77                 table.setText(1, 0, "Token");
  78                 TextBox username = new TextBox();
  79                 username.setText(app.getUsername());
  80                 username.setReadOnly(true);
  81                 username.setWidth(WIDTH_FIELD);
  82                 username.addClickHandler(new ClickHandler() {
  83                         @Override
  84                         public void onClick(ClickEvent event) {
  85                                 Pithos.enableIESelection();
  86                                 ((TextBox) event.getSource()).selectAll();
  87                                 Pithos.preventIESelection();
  88                         }
  89
  90                 });
  91                 table.setWidget(0, 1, username);
  92
  93                 TextBox tokenBox = new TextBox();
  94                 tokenBox.setText(app.getToken());
  95                 tokenBox.setReadOnly(true);
  96                 tokenBox.setWidth(WIDTH_FIELD);
  97                 tokenBox.addClickHandler(new ClickHandler() {
  98                         @Override
  99                         public void onClick(ClickEvent event) {
 100                                 Pithos.enableIESelection();
 101                                 ((TextBox) event.getSource()).selectAll();
 102                                 Pithos.preventIESelection();
 103                         }
 104
 105                 });
 106                 table.setWidget(1, 1, tokenBox);
 107
 108                 table.getFlexCellFormatter().setStyleName(0, 0, "props-labels");
 109                 table.getFlexCellFormatter().setStyleName(0, 1, "props-values");
 110                 table.getFlexCellFormatter().setStyleName(1, 0, "props-labels");
 111                 table.getFlexCellFormatter().setStyleName(1, 1, "props-values");
 112                 outer.add(table);
 113
 114                 // Create the 'OK' button, along with a listener that hides the dialog
 115                 // when the button is clicked.
 116                 Button confirm = new Button("Close", new ClickHandler() {
 117                         @Override
 118                         public void onClick(ClickEvent event) {
 119                                 hide();
 120                         }
 121                 });
 122                 outer.add(confirm);
 123                 outer.setCellHorizontalAlignment(confirm, HasHorizontalAlignment.ALIGN_CENTER);
 124                 outer.setSpacing(8);
 125                 setWidget(outer);
 126         }
 127
 128         @Override
 129         protected void onPreviewNativeEvent(NativePreviewEvent preview) {
 130                 super.onPreviewNativeEvent(preview);
 131                 NativeEvent evt = preview.getNativeEvent();
 132                 if (evt.getType().equals("keydown"))
 133                         // Use the popup's key preview hooks to close the dialog when
 134                         // either enter or escape is pressed.
 135                         switch (evt.getKeyCode()) {
 136                                 case KeyCodes.KEY_ENTER:
 137                                 case KeyCodes.KEY_ESCAPE:
 138                                         hide();
 139                                         break;
 140                         }
 141         }
 142 }