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

   1 /*
   2  * Copyright 2011-2013 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 gr.grnet.pithos.web.client.catalog.UpdateUserCatalogs;
  38 import gr.grnet.pithos.web.client.catalog.UserCatalogs;
  39 import gr.grnet.pithos.web.client.grouptree.Group;
  40
  41 import java.util.List;
  42
  43 import com.google.gwt.dom.client.NativeEvent;
  44 import com.google.gwt.event.dom.client.ClickEvent;
  45 import com.google.gwt.event.dom.client.ClickHandler;
  46 import com.google.gwt.event.dom.client.KeyCodes;
  47 import com.google.gwt.regexp.shared.RegExp;
  48 import com.google.gwt.user.client.Event.NativePreviewEvent;
  49 import com.google.gwt.user.client.ui.Anchor;
  50 import com.google.gwt.user.client.ui.Button;
  51 import com.google.gwt.user.client.ui.DialogBox;
  52 import com.google.gwt.user.client.ui.FlexTable;
  53 import com.google.gwt.user.client.ui.HasHorizontalAlignment;
  54 import com.google.gwt.user.client.ui.ListBox;
  55 import com.google.gwt.user.client.ui.RadioButton;
  56 import com.google.gwt.user.client.ui.TextBox;
  57 import com.google.gwt.user.client.ui.VerticalPanel;
  58
  59 public class PermissionsAddDialog extends DialogBox {
  60     final static RegExp EmailValidator = RegExp.compile("^[A-Z0-9._%+-]+@[A-Z0-9.-]+[.][A-Z]{2,4}$", "i");
  61
  62         private TextBox userBox = new TextBox();
  63
  64         private ListBox groupBox = new ListBox();
  65
  66         private RadioButton read = new RadioButton("permissions");
  67
  68         private RadioButton write = new RadioButton("permissions");
  69
  70         private PermissionsList permList;
  71
  72         boolean userAdd;
  73
  74     private Pithos app;
  75
  76         public PermissionsAddDialog(Pithos _app, List<Group> _groups, PermissionsList _permList, boolean _userAdd) {
  77         app = _app;
  78                 userAdd = _userAdd;
  79                 permList = _permList;
  80
  81                 Anchor close = new Anchor("close");
  82                 close.addStyleName("close");
  83                 close.addClickHandler(new ClickHandler() {
  84
  85                         @Override
  86                         public void onClick(ClickEvent event) {
  87                                 hide();
  88                         }
  89                 });
  90                 setText("Add permission");
  91                 setStyleName("pithos-DialogBox");
  92
  93         final VerticalPanel panel = new VerticalPanel();
  94         panel.add(close);
  95
  96         VerticalPanel inner = new VerticalPanel();
  97                 inner.addStyleName("inner");
  98
  99         final FlexTable permTable = new FlexTable();
 100         permTable.setText(0, 0, "Users/Groups");
 101         permTable.setText(0, 1, "Read Only");
 102         permTable.setText(0, 2, "Read/Write");
 103         permTable.getFlexCellFormatter().setStyleName(0, 0, "props-toplabels");
 104         permTable.getFlexCellFormatter().setStyleName(0, 1, "props-toplabels");
 105         permTable.getFlexCellFormatter().setStyleName(0, 2, "props-toplabels");
 106
 107         if (userAdd) {
 108             permTable.setWidget(1, 0, userBox);
 109         }
 110         else {
 111             for (Group group : _groups) {
 112                 groupBox.addItem(group.getName(), group.getName());
 113             }
 114             permTable.setWidget(1, 0, groupBox);
 115         }
 116
 117         read.setValue(true);
 118         permTable.setWidget(1, 1, read);
 119         permTable.setWidget(1, 2, write);
 120
 121         permTable.getFlexCellFormatter().setStyleName(1, 0, "props-labels");
 122         permTable.getFlexCellFormatter().setHorizontalAlignment(1, 1, HasHorizontalAlignment.ALIGN_CENTER);
 123         permTable.getFlexCellFormatter().setHorizontalAlignment(1, 2, HasHorizontalAlignment.ALIGN_CENTER);
 124         inner.add(permTable);
 125
 126         final Button ok = new Button("OK", new ClickHandler() {
 127             @Override
 128             public void onClick(ClickEvent event) {
 129                 addPermission();
 130                 hide();
 131             }
 132         });
 133
 134         ok.addStyleName("button");
 135         inner.add(ok);
 136
 137         panel.add(inner);
 138         panel.setCellHorizontalAlignment(inner, HasHorizontalAlignment.ALIGN_CENTER);
 139
 140         setWidget(panel);
 141         }
 142
 143         protected void addPermission() {
 144         final boolean readValue = read.getValue();
 145         final boolean writeValue = write.getValue();
 146
 147         String selected = null;
 148                 if (userAdd) {
 149                         final String userDisplayName = userBox.getText().trim();
 150                         addUserPermission(userDisplayName, readValue, writeValue);
 151             return;
 152                 } else if (groupBox.getSelectedIndex() > -1) {
 153                         String groupName = groupBox.getValue(groupBox.getSelectedIndex());
 154                         selected = app.getUserID() + ":" + groupName;
 155                 }
 156         if (permList.getPermissions().get(selected) != null) {
 157             return;
 158         }
 159         if (selected == null || selected.length() == 0 || selected.equals(app.getUserID() + ":")) {
 160                 app.displayWarning("You have to select a username or group");
 161                 return;
 162         }
 163
 164                 permList.addPermission(selected, readValue, writeValue);
 165         }
 166
 167     private boolean alreadyHasPermission(String selected) {
 168         return permList.getPermissions().get(selected) != null;
 169     }
 170
 171     private void addUserPermission(final String userDisplayName, final boolean readValue, final boolean writeValue) {
 172         if (!EmailValidator.test(userDisplayName)) {
 173             app.displayWarning("Username must be a valid email address");
 174             return;
 175         }
 176
 177         // Now get the userID
 178         final String userID = app.getIDForUserDisplayName(userDisplayName);
 179         if(userID != null) {
 180             // Check if already have the permission
 181             if(!alreadyHasPermission(userID)) {
 182                 permList.addPermission(userID, readValue, writeValue);
 183             }
 184         }
 185         else {
 186             // Must call server to obtain userID
 187             new UpdateUserCatalogs(app, null, Helpers.toList(userDisplayName)) {
 188                 @Override
 189                 public void onSuccess(UserCatalogs requestedUserCatalogs, UserCatalogs updatedUserCatalogs) {
 190                     final String userID = updatedUserCatalogs.getID(userDisplayName);
 191                     if(userID == null) {
 192                         app.displayWarning("Unknown user " + userDisplayName);
 193                     }
 194                     else if(!alreadyHasPermission(userID)) {
 195                         permList.addPermission(userID, readValue, writeValue);
 196                     }
 197                 }
 198             }.scheduleDeferred();
 199         }
 200     }
 201
 202         @Override
 203         protected void onPreviewNativeEvent(NativePreviewEvent preview) {
 204                 super.onPreviewNativeEvent(preview);
 205
 206                 NativeEvent evt = preview.getNativeEvent();
 207                 if (evt.getType().equals("keydown"))
 208                         // Use the popup's key preview hooks to close the dialog when either
 209                         // enter or escape is pressed.
 210                         switch (evt.getKeyCode()) {
 211                                 case KeyCodes.KEY_ENTER:
 212                                         addPermission();
 213                                         hide();
 214                                         break;
 215                                 case KeyCodes.KEY_ESCAPE:
 216                                         hide();
 217                                         break;
 218                         }
 219         }
 220
 221
 222         @Override
 223         public void center() {
 224                 super.center();
 225                 if (userAdd)
 226                         userBox.setFocus(true);
 227         }
 228 }