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

   1 /*\r
   2  * Copyright 2011 GRNET S.A. All rights reserved.\r
   3  *\r
   4  * Redistribution and use in source and binary forms, with or\r
   5  * without modification, are permitted provided that the following\r
   6  * conditions are met:\r
   7  *\r
   8  *   1. Redistributions of source code must retain the above\r
   9  *      copyright notice, this list of conditions and the following\r
  10  *      disclaimer.\r
  11  *\r
  12  *   2. Redistributions in binary form must reproduce the above\r
  13  *      copyright notice, this list of conditions and the following\r
  14  *      disclaimer in the documentation and/or other materials\r
  15  *      provided with the distribution.\r
  16  *\r
  17  * THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS\r
  18  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\r
  19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR\r
  20  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR\r
  21  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\r
  22  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\r
  23  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF\r
  24  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED\r
  25  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT\r
  26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN\r
  27  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
  28  * POSSIBILITY OF SUCH DAMAGE.\r
  29  *\r
  30  * The views and conclusions contained in the software and\r
  31  * documentation are those of the authors and should not be\r
  32  * interpreted as representing official policies, either expressed\r
  33  * or implied, of GRNET S.A.\r
  34  */\r
  35 package gr.grnet.pithos.web.client;\r
  36 \r
  37 import com.google.gwt.core.client.Scheduler;\r
  38 import gr.grnet.pithos.web.client.foldertree.File;\r
  39 import gr.grnet.pithos.web.client.foldertree.Resource;\r
  40 import gr.grnet.pithos.web.client.rest.PostCommand;\r
  41 import gr.grnet.pithos.web.client.rest.PutRequest;\r
  42 import gr.grnet.pithos.web.client.rest.RestException;\r
  43 \r
  44 import com.google.gwt.core.client.GWT;\r
  45 import com.google.gwt.event.dom.client.ClickEvent;\r
  46 import com.google.gwt.event.dom.client.ClickHandler;\r
  47 import com.google.gwt.i18n.client.DateTimeFormat;\r
  48 import com.google.gwt.json.client.JSONBoolean;\r
  49 import com.google.gwt.json.client.JSONObject;\r
  50 import com.google.gwt.resources.client.ClientBundle;\r
  51 import com.google.gwt.resources.client.ImageResource;\r
  52 import com.google.gwt.user.client.Command;\r
  53 import com.google.gwt.user.client.DeferredCommand;\r
  54 import com.google.gwt.user.client.ui.Button;\r
  55 import com.google.gwt.user.client.ui.CheckBox;\r
  56 import com.google.gwt.user.client.ui.DecoratedTabPanel;\r
  57 import com.google.gwt.user.client.ui.DisclosurePanel;\r
  58 import com.google.gwt.user.client.ui.FlexTable;\r
  59 import com.google.gwt.user.client.ui.FlowPanel;\r
  60 import com.google.gwt.user.client.ui.FocusPanel;\r
  61 import com.google.gwt.user.client.ui.HasHorizontalAlignment;\r
  62 import com.google.gwt.user.client.ui.HorizontalPanel;\r
  63 import com.google.gwt.user.client.ui.TextBox;\r
  64 import com.google.gwt.user.client.ui.VerticalPanel;\r
  65 \r
  66 /**\r
  67  * The 'File properties' dialog box implementation.\r
  68  *\r
  69  */\r
  70 public class FilePropertiesDialog extends AbstractPropertiesDialog {\r
  71 \r
  72         private PermissionsList permList;\r
  73 \r
  74         private CheckBox readForAll;\r
  75 \r
  76         /**\r
  77          * An image bundle for this widgets images.\r
  78          */\r
  79         public interface Images extends ClientBundle,MessagePanel.Images {\r
  80 \r
  81                 @Source("gr/grnet/pithos/resources/edit_user.png")\r
  82                 ImageResource permUser();\r
  83 \r
  84                 @Source("gr/grnet/pithos/resources/groupevent.png")\r
  85                 ImageResource permGroup();\r
  86 \r
  87                 @Source("gr/grnet/pithos/resources/editdelete.png")\r
  88                 ImageResource delete();\r
  89 \r
  90                 @Source("gr/grnet/pithos/resources/db_update.png")\r
  91                 ImageResource restore();\r
  92 \r
  93                 @Source("gr/grnet/pithos/resources/folder_inbox.png")\r
  94                 ImageResource download();\r
  95         }\r
  96 \r
  97         /**\r
  98          * The widget that holds the name of the file.\r
  99          */\r
 100         private TextBox name = new TextBox();\r
 101 \r
 102         private final CheckBox versioned = new CheckBox();\r
 103 \r
 104         final File file;\r
 105 \r
 106         private String userFullName;\r
 107 \r
 108     private Pithos app;\r
 109 \r
 110         /**\r
 111          * The widget's constructor.\r
 112          */\r
 113         public FilePropertiesDialog(Pithos _app, File _file) {\r
 114         app = _app;\r
 115         file = _file;\r
 116 \r
 117                 // Set the dialog's caption.\r
 118                 setText("File properties");\r
 119 \r
 120 \r
 121 //              permList = new PermissionsList(images, file.getPermissions(), file.getOwner());\r
 122 \r
 123                 // Outer contains inner and buttons.\r
 124                 final VerticalPanel outer = new VerticalPanel();\r
 125                 final FocusPanel focusPanel = new FocusPanel(outer);\r
 126                 // Inner contains generalPanel and permPanel.\r
 127                 inner = new DecoratedTabPanel();\r
 128                 inner.setAnimationEnabled(true);\r
 129 \r
 130 \r
 131         inner.add(createGeneralPanel(), "General");\r
 132 \r
 133         inner.add(createSharingPanel(), "Sharing");\r
 134 \r
 135         inner.add(createVersionPanel(), "Versions");\r
 136 \r
 137         inner.selectTab(0);\r
 138 \r
 139         outer.add(inner);\r
 140 \r
 141                 final HorizontalPanel buttons = new HorizontalPanel();\r
 142                 // Create the 'OK' button, along with a listener that hides the dialog\r
 143                 // when the button is clicked.\r
 144                 final Button ok = new Button("OK", new ClickHandler() {\r
 145                         @Override\r
 146                         public void onClick(ClickEvent event) {\r
 147                                 accept();\r
 148                                 closeDialog();\r
 149                         }\r
 150                 });\r
 151 \r
 152                 buttons.add(ok);\r
 153                 buttons.setCellHorizontalAlignment(ok, HasHorizontalAlignment.ALIGN_CENTER);\r
 154                 // Create the 'Cancel' button, along with a listener that hides the\r
 155                 // dialog when the button is clicked.\r
 156                 final Button cancel = new Button("Cancel", new ClickHandler() {\r
 157                         @Override\r
 158                         public void onClick(ClickEvent event) {\r
 159                                 closeDialog();\r
 160                         }\r
 161                 });\r
 162                 buttons.add(cancel);\r
 163                 buttons.setCellHorizontalAlignment(cancel, HasHorizontalAlignment.ALIGN_CENTER);\r
 164                 buttons.setSpacing(8);\r
 165                 buttons.addStyleName("pithos-TabPanelBottom");\r
 166 \r
 167         outer.add(buttons);\r
 168         outer.setCellHorizontalAlignment(buttons, HasHorizontalAlignment.ALIGN_CENTER);\r
 169         outer.addStyleName("pithos-TabPanelBottom");\r
 170 \r
 171         focusPanel.setFocus(true);\r
 172         setWidget(outer);\r
 173 \r
 174                 // Asynchronously retrieve the tags defined by this user.\r
 175                 DeferredCommand.addCommand(new Command() {\r
 176 \r
 177                         @Override\r
 178                         public void execute() {\r
 179 //                              updateTags();\r
 180                         }\r
 181                 });\r
 182         }\r
 183 \r
 184     private VerticalPanel createGeneralPanel() {\r
 185         final VerticalPanel generalPanel = new VerticalPanel();\r
 186         final FlexTable generalTable = new FlexTable();\r
 187         generalTable.setText(0, 0, "Name");\r
 188         generalTable.setText(1, 0, "Folder");\r
 189         generalTable.setText(2, 0, "Owner");\r
 190         generalTable.setText(3, 0, "Last modified");\r
 191 //        generalTable.setText(4, 0, "Tags");\r
 192 \r
 193         name.setWidth("100%");\r
 194         name.setText(file.getName());\r
 195         generalTable.setWidget(0, 1, name);\r
 196         if(file.getParent() != null)\r
 197             generalTable.setText(1, 1, file.getParent().getName());\r
 198         else\r
 199             generalTable.setText(1, 1, "-");\r
 200         generalTable.setText(2, 1, file.getOwner());\r
 201 \r
 202         final DateTimeFormat formatter = DateTimeFormat.getFormat("d/M/yyyy h:mm a");\r
 203         generalTable.setText(3, 1, formatter.format(file.getLastModified()));\r
 204 \r
 205                 // Get the tags.\r
 206 //              StringBuffer tagsBuffer = new StringBuffer();\r
 207 //              Iterator i = file.getTags().iterator();\r
 208 //              while (i.hasNext()) {\r
 209 //                      String tag = (String) i.next();\r
 210 //                      tagsBuffer.append(tag).append(", ");\r
 211 //              }\r
 212 //              if (tagsBuffer.length() > 1)\r
 213 //                      tagsBuffer.delete(tagsBuffer.length() - 2, tagsBuffer.length() - 1);\r
 214 //              initialTagText = tagsBuffer.toString();\r
 215 //              tags.setWidth("100%");\r
 216 //              tags.getElement().setId("filePropertiesDialog.textBox.tags");\r
 217 //              tags.setText(initialTagText);\r
 218 //              generalTable.setWidget(4, 1, tags);\r
 219 \r
 220         generalTable.getFlexCellFormatter().setStyleName(0, 0, "props-labels");\r
 221         generalTable.getFlexCellFormatter().setStyleName(1, 0, "props-labels");\r
 222         generalTable.getFlexCellFormatter().setStyleName(2, 0, "props-labels");\r
 223         generalTable.getFlexCellFormatter().setStyleName(3, 0, "props-labels");\r
 224 //        generalTable.getFlexCellFormatter().setStyleName(4, 0, "props-labels");\r
 225         generalTable.getFlexCellFormatter().setStyleName(0, 1, "props-values");\r
 226         generalTable.getFlexCellFormatter().setStyleName(1, 1, "props-values");\r
 227         generalTable.getFlexCellFormatter().setStyleName(2, 1, "props-values");\r
 228         generalTable.getFlexCellFormatter().setStyleName(3, 1, "props-values");\r
 229 //        generalTable.getFlexCellFormatter().setStyleName(4, 1, "props-values");\r
 230         generalTable.setCellSpacing(4);\r
 231 \r
 232         generalPanel.add(generalTable);\r
 233 \r
 234         DisclosurePanel allTags = new DisclosurePanel("All tags");\r
 235         allTagsContent = new FlowPanel();\r
 236         allTagsContent.setWidth("100%");\r
 237         allTags.setContent(allTagsContent);\r
 238         generalPanel.add(allTags);\r
 239         generalPanel.setSpacing(4);\r
 240         return generalPanel;\r
 241     }\r
 242 \r
 243     private VerticalPanel createSharingPanel() {\r
 244         VerticalPanel permPanel = new VerticalPanel();\r
 245 //\r
 246 //        permList = new PermissionsList(images, file.getPermissions(), file.getOwner());\r
 247 //        permPanel.add(permList);\r
 248 //\r
 249 //        HorizontalPanel permButtons = new HorizontalPanel();\r
 250 //        Button add = new Button("Add Group", new ClickHandler() {\r
 251 //            @Override\r
 252 //            public void onClick(ClickEvent event) {\r
 253 //                PermissionsAddDialog dlg = new PermissionsAddDialog(groups, permList, false);\r
 254 //                dlg.center();\r
 255 //            }\r
 256 //        });\r
 257 //        permButtons.add(add);\r
 258 //        permButtons.setCellHorizontalAlignment(add, HasHorizontalAlignment.ALIGN_CENTER);\r
 259 //\r
 260 //        final Button addUser = new Button("Add User", new ClickHandler() {\r
 261 //            @Override\r
 262 //            public void onClick(ClickEvent event) {\r
 263 //                PermissionsAddDialog dlg = new PermissionsAddDialog(groups, permList, true);\r
 264 //                dlg.center();\r
 265 //            }\r
 266 //        });\r
 267 //        permButtons.add(addUser);\r
 268 //        permButtons.setCellHorizontalAlignment(addUser, HasHorizontalAlignment.ALIGN_CENTER);\r
 269 //\r
 270 //        permButtons.setSpacing(8);\r
 271 //        permButtons.addStyleName("pithos-TabPanelBottom");\r
 272 //        permPanel.add(permButtons);\r
 273 //\r
 274 //        final Label readForAllNote = new Label("When this option is enabled, the file will be readable" +\r
 275 //                    " by everyone. By checking this option, you are certifying that you have the right to " +\r
 276 //                    "distribute this file and that it does not violate the Terms of Use.", true);\r
 277 //        readForAllNote.setVisible(false);\r
 278 //        readForAllNote.setStylePrimaryName("pithos-readForAllNote");\r
 279 //\r
 280 //        readForAll = new CheckBox();\r
 281 //        readForAll.setValue(file.isReadForAll());\r
 282 //        readForAll.addClickHandler(new ClickHandler() {\r
 283 //            @Override\r
 284 //            public void onClick(ClickEvent event) {\r
 285 //                readForAllNote.setVisible(readForAll.getValue());\r
 286 //            }\r
 287 //\r
 288 //        });\r
 289 //\r
 290 //        // Only show the read for all permission if the user is the owner.\r
 291 //        if (file.getOwner().equals(app.getUsername())) {\r
 292 //            final HorizontalPanel permForAll = new HorizontalPanel();\r
 293 //            permForAll.add(new Label("Public"));\r
 294 //            permForAll.add(readForAll);\r
 295 //            permForAll.setSpacing(8);\r
 296 //            permForAll.addStyleName("pithos-TabPanelBottom");\r
 297 //            permForAll.add(readForAllNote);\r
 298 //            permPanel.add(permForAll);\r
 299 //        }\r
 300 //\r
 301 //\r
 302 //        final HorizontalPanel pathPanel = new HorizontalPanel();\r
 303 //        pathPanel.setWidth("100%");\r
 304 //        pathPanel.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_LEFT);\r
 305 //        pathPanel.add(new Label("Link"));\r
 306 //        pathPanel.setSpacing(8);\r
 307 //        pathPanel.addStyleName("pithos-TabPanelBottom");\r
 308 //\r
 309 //        TextBox path = new TextBox();\r
 310 //        path.setWidth("100%");\r
 311 //        path.addClickHandler(new ClickHandler() {\r
 312 //            @Override\r
 313 //            public void onClick(ClickEvent event) {\r
 314 //                Pithos.enableIESelection();\r
 315 //                ((TextBox) event.getSource()).selectAll();\r
 316 //                Pithos.preventIESelection();\r
 317 //            }\r
 318 //        });\r
 319 //        path.setText(file.getUri());\r
 320 //        path.setTitle("Use this link for sharing the file via e-mail, IM, etc. (crtl-C/cmd-C to copy to system clipboard)");\r
 321 //        path.setWidth("100%");\r
 322 //        path.setReadOnly(true);\r
 323 //        pathPanel.add(path);\r
 324 //        permPanel.add(pathPanel);\r
 325 \r
 326         return permPanel;\r
 327     }\r
 328 \r
 329     private VerticalPanel createVersionPanel() {\r
 330         VerticalPanel versionPanel = new VerticalPanel();\r
 331 \r
 332 //        VersionsList verList = new VersionsList(this, images, bodies);\r
 333 //        versionPanel.add(verList);\r
 334 //\r
 335 //        HorizontalPanel vPanel = new HorizontalPanel();\r
 336 //\r
 337 //              vPanel.setSpacing(8);\r
 338 //              vPanel.addStyleName("pithos-TabPanelBottom");\r
 339 //              vPanel.add(new Label("Versioned"));\r
 340 //\r
 341 //              versioned.setValue(file.isVersioned());\r
 342 //              vPanel.add(versioned);\r
 343 //              versionPanel.add(vPanel);\r
 344 //\r
 345 //        HorizontalPanel vPanel2 = new HorizontalPanel();\r
 346 //              vPanel2.setSpacing(8);\r
 347 //              vPanel2.addStyleName("pithos-TabPanelBottom");\r
 348 //\r
 349 //        HTML removeAllVersion = new HTML("<span>Remove all previous versions?</span>");\r
 350 //        vPanel2.add(removeAllVersion);\r
 351 //\r
 352 //              Button removeVersionsButton = new Button(AbstractImagePrototype.create(images.delete()).getHTML(), new ClickHandler() {\r
 353 //                      @Override\r
 354 //                      public void onClick(ClickEvent event) {\r
 355 //                              ConfirmationDialog confirm = new ConfirmationDialog("Really " +\r
 356 //                                              "remove all previous versions?", "Remove") {\r
 357 //\r
 358 //                                      @Override\r
 359 //                                      public void cancel() {\r
 360 //                                      }\r
 361 //\r
 362 //                                      @Override\r
 363 //                                      public void confirm() {\r
 364 //                                              FilePropertiesDialog.this.closeDialog();\r
 365 //                                              removeAllOldVersions();\r
 366 //                                      }\r
 367 //\r
 368 //                              };\r
 369 //                              confirm.center();\r
 370 //                      }\r
 371 //\r
 372 //              });\r
 373 //              vPanel2.add(removeVersionsButton);\r
 374 //        if(!file.isVersioned())\r
 375 //            vPanel2.setVisible(false);\r
 376 //\r
 377 //        versionPanel.add(vPanel2);\r
 378 \r
 379         return versionPanel;\r
 380     }\r
 381 \r
 382         /**\r
 383          * Accepts any change and updates the file\r
 384          *\r
 385          */\r
 386         @Override\r
 387         protected void accept() {\r
 388                 String newFilename = null;\r
 389 //              permList.updatePermissionsAccordingToInput();\r
 390 //              Set<PermissionHolder> perms = permList.getPermissions();\r
 391 //              JSONObject json = new JSONObject();\r
 392                 if (!name.getText().equals(file.getName())) {\r
 393                         newFilename = name.getText();\r
 394 //                      json.put("name", new JSONString(newFilename));\r
 395                 }\r
 396 //              if (versioned.getValue() != file.isVersioned())\r
 397 //                      json.put("versioned", JSONBoolean.getInstance(versioned.getValue()));\r
 398                 //only update the read for all perm if the user is the owner\r
 399 //              if (readForAll.getValue() != file.isReadForAll())\r
 400 //                      if (file.getOwner().equals(Pithos.get().getCurrentUserResource().getUsername()))\r
 401 //                              json.put("readForAll", JSONBoolean.getInstance(readForAll.getValue()));\r
 402 //              int i = 0;\r
 403 //              if (permList.hasChanges()) {\r
 404 //                      GWT.log("Permissions change", null);\r
 405 //                      JSONArray perma = new JSONArray();\r
 406 //\r
 407 //                      for (PermissionHolder p : perms) {\r
 408 //                              JSONObject po = new JSONObject();\r
 409 //                              if (p.getUser() != null)\r
 410 //                                      po.put("user", new JSONString(p.getUser()));\r
 411 //                              if (p.getGroup() != null)\r
 412 //                                      po.put("group", new JSONString(p.getGroup()));\r
 413 //                              po.put("read", JSONBoolean.getInstance(p.isRead()));\r
 414 //                              po.put("write", JSONBoolean.getInstance(p.isWrite()));\r
 415 //                              po.put("modifyACL", JSONBoolean.getInstance(p.isModifyACL()));\r
 416 //                              perma.set(i, po);\r
 417 //                              i++;\r
 418 //                      }\r
 419 //                      json.put("permissions", perma);\r
 420 //              }\r
 421 //              JSONArray taga = new JSONArray();\r
 422 //              i = 0;\r
 423 //              if (!tags.getText().equals(initialTagText)) {\r
 424 //                      String[] tagset = tags.getText().split(",");\r
 425 //                      for (String t : tagset) {\r
 426 //                              JSONString to = new JSONString(t);\r
 427 //                              taga.set(i, to);\r
 428 //                              i++;\r
 429 //                      }\r
 430 //                      json.put("tags", taga);\r
 431 //              }\r
 432 //              String jsonString = json.toString();\r
 433 //              if(jsonString.equals("{}")){\r
 434 //                      GWT.log("NO CHANGES", null);\r
 435 //                      return;\r
 436 //              }\r
 437                 final String newFilenameFinal = newFilename;\r
 438 \r
 439         if (newFilename == null)\r
 440             return;\r
 441         String path = app.getApiPath() + app.getUsername() + file.getParent().getUri() + "/" + newFilename;\r
 442         PutRequest updateFile = new PutRequest(path) {\r
 443             @Override\r
 444             public void onSuccess(Resource result) {\r
 445                 app.updateFolder(file.getParent());\r
 446             }\r
 447 \r
 448             @Override\r
 449             public void onError(Throwable t) {\r
 450                 GWT.log("", t);\r
 451                 app.displayError("System error modifying file:" + t.getMessage());\r
 452             }\r
 453         };\r
 454         updateFile.setHeader("X-Auth-Token", app.getToken());\r
 455         updateFile.setHeader("X-Move-From", file.getUri());\r
 456         updateFile.setHeader("Content-Type", file.getContentType());\r
 457         Scheduler.get().scheduleDeferred(updateFile);\r
 458         }\r
 459 \r
 460         private void removeAllOldVersions() {\r
 461                 JSONObject json = new JSONObject();\r
 462                 json.put("versioned", JSONBoolean.getInstance(false));\r
 463                 GWT.log(json.toString(), null);\r
 464                 PostCommand cf = new PostCommand(file.getUri() + "?update=", json.toString(), 200) {\r
 465 \r
 466                         @Override\r
 467                         public void onComplete() {\r
 468                                 toggleVersioned(true);\r
 469                         }\r
 470 \r
 471                         @Override\r
 472                         public void onError(Throwable t) {\r
 473                                 GWT.log("", t);\r
 474                                 if (t instanceof RestException) {\r
 475                                         int statusCode = ((RestException) t).getHttpStatusCode();\r
 476                                         if (statusCode == 405)\r
 477                                                 Pithos.get().displayError("You don't have the necessary permissions");\r
 478                                         else if (statusCode == 404)\r
 479                                                 Pithos.get().displayError("User in permissions does not exist");\r
 480                                         else if (statusCode == 409)\r
 481                                                 Pithos.get().displayError("A folder with the same name already exists");\r
 482                                         else if (statusCode == 413)\r
 483                                                 Pithos.get().displayError("Your quota has been exceeded");\r
 484                                         else\r
 485                                                 Pithos.get().displayError("Unable to modify file:" + ((RestException) t).getHttpStatusText());\r
 486                                 } else\r
 487                                         Pithos.get().displayError("System error moifying file:" + t.getMessage());\r
 488                         }\r
 489                 };\r
 490                 DeferredCommand.addCommand(cf);\r
 491         }\r
 492 \r
 493         private void toggleVersioned(boolean versionedValue) {\r
 494                 JSONObject json = new JSONObject();\r
 495                 json.put("versioned", JSONBoolean.getInstance(versionedValue));\r
 496                 GWT.log(json.toString(), null);\r
 497                 PostCommand cf = new PostCommand(file.getUri() + "?update=", json.toString(), 200) {\r
 498 \r
 499                         @Override\r
 500                         public void onComplete() {\r
 501                                 Pithos.get().getTreeView().refreshCurrentNode(false);\r
 502                         }\r
 503 \r
 504                         @Override\r
 505                         public void onError(Throwable t) {\r
 506                                 GWT.log("", t);\r
 507                                 if (t instanceof RestException) {\r
 508                                         int statusCode = ((RestException) t).getHttpStatusCode();\r
 509                                         if (statusCode == 405)\r
 510                                                 Pithos.get().displayError("You don't have the necessary permissions");\r
 511                                         else if (statusCode == 404)\r
 512                                                 Pithos.get().displayError("User in permissions does not exist");\r
 513                                         else if (statusCode == 409)\r
 514                                                 Pithos.get().displayError("A folder with the same name already exists");\r
 515                                         else if (statusCode == 413)\r
 516                                                 Pithos.get().displayError("Your quota has been exceeded");\r
 517                                         else\r
 518                                                 Pithos.get().displayError("Unable to modify file:" + ((RestException) t).getHttpStatusText());\r
 519                                 } else\r
 520                                         Pithos.get().displayError("System error moifying file:" + t.getMessage());\r
 521                         }\r
 522                 };\r
 523                 DeferredCommand.addCommand(cf);\r
 524         }\r
 525 \r
 526 }\r