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

   1 /*
   2  * Copyright 2008, 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.ebs.gss.client;
  20
  21 import com.google.gwt.core.client.GWT;
  22 import com.google.gwt.user.client.ui.Button;
  23 import com.google.gwt.user.client.ui.ClickListener;
  24 import com.google.gwt.user.client.ui.DialogBox;
  25 import com.google.gwt.user.client.ui.FlexTable;
  26 import com.google.gwt.user.client.ui.FocusListener;
  27 import com.google.gwt.user.client.ui.HTML;
  28 import com.google.gwt.user.client.ui.HasHorizontalAlignment;
  29 import com.google.gwt.user.client.ui.KeyboardListener;
  30 import com.google.gwt.user.client.ui.TextBox;
  31 import com.google.gwt.user.client.ui.VerticalPanel;
  32 import com.google.gwt.user.client.ui.Widget;
  33
  34
  35 /**
  36  * A dialog box that displays the user credentials for use in other client
  37  * applications, such as WebDAV clients.
  38  *
  39  * @author kman
  40  */
  41 public class CredentialsDialog extends DialogBox {
  42
  43         private final String WIDTH_FIELD = "35em";
  44         private final String WIDTH_TEXT = "42em";
  45
  46         /**
  47          * The widget constructor.
  48          */
  49         public CredentialsDialog() {
  50                 // Set the dialog's caption.
  51                 setText("User Credentials");
  52                 setAnimationEnabled(true);
  53                 // Create a VerticalPanel to contain the 'about' label and the 'OK'
  54                 // button.
  55                 VerticalPanel outer = new VerticalPanel();
  56                 String token = GSS.get().getToken();
  57                 if(token == null)
  58                         token = "";
  59                 int contextIndex = GWT.getModuleBaseURL().lastIndexOf("gss/");
  60                 String webdavUrl = GWT.getModuleBaseURL().substring(0, contextIndex) + "webdav";
  61                 // Create the text and set a style name so we can style it with CSS.
  62                 HTML text = new HTML("<p>These are the user credentials that are required " +
  63                                 "for interacting with GSS. You can copy and paste them in the WebDAV " +
  64                                 "client as username/password, in order to use GSS through the WebDAV " +
  65                                 "interface, at:<br/> " + webdavUrl + "</p>");
  66                 text.setStyleName("gss-AboutText");
  67                 text.setWidth(WIDTH_TEXT);
  68                 outer.add(text);
  69                 FlexTable table = new FlexTable();
  70                 table.setText(0, 0, "Username");
  71                 table.setText(1, 0, "Token");
  72                 TextBox username = new TextBox();
  73                 username.setText(GSS.get().getCurrentUserResource().getUsername());
  74                 username.setReadOnly(true);
  75                 username.setWidth(WIDTH_FIELD);
  76                 username.addFocusListener(new FocusListener() {
  77                         public void onFocus(Widget sender) {
  78                                 ((TextBox) sender).selectAll();
  79                         }
  80                         public void onLostFocus(Widget sender) {
  81                                 ((TextBox) sender).setSelectionRange(0, 0);
  82                         }
  83                 });
  84                 table.setWidget(0, 1, username);
  85                 TextBox tokenBox = new TextBox();
  86                 tokenBox.setText(token);
  87                 tokenBox.setReadOnly(true);
  88                 tokenBox.setWidth(WIDTH_FIELD);
  89                 tokenBox.addFocusListener(new FocusListener() {
  90                         public void onFocus(Widget sender) {
  91                                 ((TextBox) sender).selectAll();
  92                         }
  93                         public void onLostFocus(Widget sender) {
  94                                 ((TextBox) sender).setSelectionRange(0, 0);
  95                         }
  96                 });
  97                 table.setWidget(1, 1, tokenBox);
  98                 table.getFlexCellFormatter().setStyleName(0, 0, "props-labels");
  99                 table.getFlexCellFormatter().setStyleName(0, 1, "props-values");
 100                 table.getFlexCellFormatter().setStyleName(1, 0, "props-labels");
 101                 table.getFlexCellFormatter().setStyleName(1, 1, "props-values");
 102                 outer.add(table);
 103
 104                 // Create the 'OK' button, along with a listener that hides the dialog
 105                 // when the button is clicked.
 106                 Button confirm = new Button("Close", new ClickListener() {
 107
 108                         public void onClick(Widget sender) {
 109                                 hide();
 110                         }
 111                 });
 112                 outer.add(confirm);
 113                 outer.setCellHorizontalAlignment(confirm, HasHorizontalAlignment.ALIGN_CENTER);
 114                 outer.setSpacing(8);
 115                 setWidget(outer);
 116         }
 117
 118         @Override
 119         public boolean onKeyDownPreview(char key, int modifiers) {
 120                 // Use the popup's key preview hooks to close the dialog when either
 121                 // enter or escape is pressed.
 122                 switch (key) {
 123                         case KeyboardListener.KEY_ENTER:
 124                         case KeyboardListener.KEY_ESCAPE:
 125                                 hide();
 126                                 break;
 127                 }
 128                 return true;
 129         }
 130
 131 }