code.grnet.gr Git - pithos-web-client/blob - src/gr/grnet/pithos/web/client/PermissionsList.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 com.google.gwt.event.dom.client.ClickEvent;
  38 import com.google.gwt.event.dom.client.ClickHandler;
  39 import com.google.gwt.event.logical.shared.ValueChangeEvent;
  40 import com.google.gwt.event.logical.shared.ValueChangeHandler;
  41 import com.google.gwt.user.client.Command;
  42 import com.google.gwt.user.client.ui.*;
  43 import gr.grnet.pithos.web.client.catalog.UpdateUserCatalogs;
  44 import gr.grnet.pithos.web.client.catalog.UserCatalogs;
  45
  46 import java.util.HashMap;
  47 import java.util.Map;
  48
  49
  50 public class PermissionsList extends Composite {
  51
  52     Map<String, Boolean[]> permissions = null;
  53
  54     final FileShareDialog.PrivateSharingImages images;
  55
  56     final VerticalPanel permPanel = new VerticalPanel();
  57
  58     final FlexTable permTable = new FlexTable();
  59
  60     final String owner;
  61
  62     protected boolean hasChanges = false;
  63
  64     private boolean readonly = false;
  65
  66     Command changePermissionsCallback;
  67
  68     private final Pithos app;
  69
  70     public PermissionsList(
  71         Pithos app,
  72         final FileShareDialog.PrivateSharingImages theImages,
  73         Map<String, Boolean[]> thePermissions,
  74         String theOwner,
  75         boolean inheritsPermissions,
  76         Command _changePermissionsCallback
  77     ) {
  78         this.app = app;
  79         changePermissionsCallback = _changePermissionsCallback;
  80         images = theImages;
  81         owner = theOwner;
  82         permissions = new HashMap<String, Boolean[]>(thePermissions);
  83         updatePermissionsHeader();
  84         permPanel.add(permTable);
  85         permPanel.addStyleName("pithos-TabPanelBottom");
  86         initWidget(permPanel);
  87         updatePermissionTable();
  88     }
  89
  90     private void updatePermissionsHeader() {
  91         if(hasPermissions()) {
  92             permTable.setText(0, 0, "Users/Groups");
  93             permTable.setText(0, 1, "Read Only");
  94             permTable.setText(0, 2, "Read/Write");
  95             permTable.setText(0, 3, "");
  96             permTable.getFlexCellFormatter().setStyleName(0, 0, "props-toplabels");
  97             permTable.getFlexCellFormatter().setStyleName(0, 1, "props-toplabels");
  98             permTable.getFlexCellFormatter().setStyleName(0, 2, "props-toplabels");
  99             permTable.getFlexCellFormatter().setStyleName(0, 3, "props-toplabels");
 100         }
 101         else {
 102             permTable.setText(0, 0, "");
 103             permTable.setText(0, 1, "");
 104             permTable.setText(0, 2, "");
 105             permTable.setText(0, 3, "");
 106         }
 107     }
 108
 109     public boolean hasPermissions() {
 110         return permissionCount() > 0;
 111     }
 112
 113     public int permissionCount() {
 114         return permissions == null
 115             ? 0
 116             : permissions.size();
 117     }
 118
 119     public boolean hasChanges() {
 120         return hasChanges;
 121     }
 122
 123     /**
 124      * Retrieve the permissions.
 125      *
 126      * @return the permissions
 127      */
 128     public Map<String, Boolean[]> getPermissions() {
 129         return permissions;
 130     }
 131
 132     public void addPermission(String userID, boolean read, boolean write) {
 133         Pithos.LOG("PermissionsList::addPermission(userID=", userID, ", read=", read, ", write=", write, ")");
 134         permissions.put(userID, new Boolean[]{Boolean.valueOf(read), Boolean.valueOf(write)});
 135         hasChanges = true;
 136         updatePermissionTable();
 137         if(changePermissionsCallback != null) {
 138             changePermissionsCallback.execute();
 139         }
 140     }
 141
 142     private boolean isGroup(String userID) {
 143         return userID.contains(Const.COLON);
 144     }
 145
 146     /**
 147      * Shows the permission table
 148      */
 149     void updatePermissionTable() {
 150         int i = 1;
 151         final int ii = i;
 152         for(int j = 1; j < permTable.getRowCount(); j++) {
 153             permTable.removeRow(j);
 154         }
 155
 156         updatePermissionsHeader();
 157
 158         for(final String userID : permissions.keySet()) {
 159             if(!isGroup(userID)) {
 160                 final String displayName = app.getDisplayNameForUserID(userID);
 161                 if(displayName != null) {
 162                     permTable.setHTML(
 163                         i,
 164                         0,
 165                         Const.inSpan(
 166                             AbstractImagePrototype.create(
 167                                 images.permUser()).getHTML() +
 168                                 Const.HTML_NBSP +
 169                                 displayName
 170                         )
 171                     );
 172                 }
 173                 else {
 174                     new UpdateUserCatalogs(app, userID) {
 175                         @Override
 176                         public void onSuccess(UserCatalogs requestedUserCatalogs, UserCatalogs updatedUserCatalogs) {
 177                             final String displayName = updatedUserCatalogs.getDisplayName(userID);
 178                             permTable.setHTML(
 179                                 ii,
 180                                 0,
 181                                 Const.inSpan(
 182                                     AbstractImagePrototype.create(
 183                                         images.permUser()).getHTML() +
 184                                         Const.HTML_NBSP +
 185                                         displayName
 186                                 )
 187                             );
 188                         }
 189                     }.scheduleDeferred();
 190                 }
 191             }
 192             else {
 193                 permTable.setHTML(
 194                     i,
 195                     0,
 196                     Const.inSpan(
 197                         AbstractImagePrototype.create(
 198                             images.permGroup()).getHTML() +
 199                             Const.HTML_NBSP +
 200                             userID.split(Const.COLON)[1].trim()
 201                     )
 202                 );
 203             }
 204             permTable.getFlexCellFormatter().setStyleName(i, 0, "props-values");
 205
 206             Boolean[] userPerms = permissions.get(userID);
 207             Boolean readP = userPerms[0];
 208             Boolean writeP = userPerms[1];
 209
 210             RadioButton read = new RadioButton("permissions" + i);
 211             read.setValue(readP != null ? readP : false);
 212             permTable.setWidget(i, 1, read);
 213             permTable.getFlexCellFormatter().setHorizontalAlignment(i, 1, HasHorizontalAlignment.ALIGN_CENTER);
 214
 215             RadioButton write = new RadioButton("permissions" + i);
 216             write.setValue(writeP != null ? writeP : false);
 217             permTable.setWidget(i, 2, write);
 218             permTable.getFlexCellFormatter().setHorizontalAlignment(i, 2, HasHorizontalAlignment.ALIGN_CENTER);
 219
 220             if(!readonly) {
 221                 read.addValueChangeHandler(new ValueChangeHandler<Boolean>() {
 222                     @Override
 223                     public void onValueChange(ValueChangeEvent<Boolean> booleanValueChangeEvent) {
 224                         Boolean[] ps = permissions.get(userID);
 225                         ps[0] = booleanValueChangeEvent.getValue();
 226                         ps[1] = !booleanValueChangeEvent.getValue();
 227                         hasChanges = true;
 228                         if(changePermissionsCallback != null) {
 229                             changePermissionsCallback.execute();
 230                         }
 231                     }
 232                 });
 233                 write.addValueChangeHandler(new ValueChangeHandler<Boolean>() {
 234                     @Override
 235                     public void onValueChange(ValueChangeEvent<Boolean> booleanValueChangeEvent) {
 236                         Boolean[] ps = permissions.get(userID);
 237                         ps[0] = !booleanValueChangeEvent.getValue();
 238                         ps[1] = booleanValueChangeEvent.getValue();
 239                         hasChanges = true;
 240                         if(changePermissionsCallback != null) {
 241                             changePermissionsCallback.execute();
 242                         }
 243                     }
 244                 });
 245                 Anchor removeButton = new Anchor("remove");
 246                 removeButton.addStyleName(Pithos.resources.pithosCss().commandAnchor());
 247                 removeButton.addClickHandler(new ClickHandler() {
 248                     @Override
 249                     public void onClick(ClickEvent event) {
 250                         permissions.remove(userID);
 251                         updatePermissionTable();
 252                         hasChanges = true;
 253                         if(changePermissionsCallback != null) {
 254                             changePermissionsCallback.execute();
 255                         }
 256                     }
 257                 });
 258                 permTable.setWidget(i, 3, removeButton);
 259                 permTable.getFlexCellFormatter().setHorizontalAlignment(i, 3, HasHorizontalAlignment.ALIGN_CENTER);
 260             }
 261             else {
 262                 read.setEnabled(false);
 263                 write.setEnabled(false);
 264             }
 265             i++;
 266         }
 267     }
 268 }