dd85f2f21ce149401a7f3c644736c7088b69fa48
[pithos-web-client] / src / gr / grnet / pithos / web / client / Pithos.java
1 /*
2  * Copyright 2011-2012 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.commands.UploadFileCommand;
38 import gr.grnet.pithos.web.client.foldertree.AccountResource;
39 import gr.grnet.pithos.web.client.foldertree.File;
40 import gr.grnet.pithos.web.client.foldertree.Folder;
41 import gr.grnet.pithos.web.client.foldertree.FolderTreeView;
42 import gr.grnet.pithos.web.client.foldertree.FolderTreeViewModel;
43 import gr.grnet.pithos.web.client.foldertree.Resource;
44 import gr.grnet.pithos.web.client.grouptree.Group;
45 import gr.grnet.pithos.web.client.grouptree.GroupTreeView;
46 import gr.grnet.pithos.web.client.grouptree.GroupTreeViewModel;
47 import gr.grnet.pithos.web.client.mysharedtree.MysharedTreeView;
48 import gr.grnet.pithos.web.client.mysharedtree.MysharedTreeViewModel;
49 import gr.grnet.pithos.web.client.othersharedtree.OtherSharedTreeView;
50 import gr.grnet.pithos.web.client.othersharedtree.OtherSharedTreeViewModel;
51 import gr.grnet.pithos.web.client.rest.DeleteRequest;
52 import gr.grnet.pithos.web.client.rest.GetRequest;
53 import gr.grnet.pithos.web.client.rest.HeadRequest;
54 import gr.grnet.pithos.web.client.rest.PutRequest;
55 import gr.grnet.pithos.web.client.rest.RestException;
56
57 import java.util.ArrayList;
58 import java.util.Date;
59 import java.util.HashMap;
60 import java.util.Iterator;
61 import java.util.List;
62 import java.util.Set;
63
64 import org.apache.http.HttpStatus;
65
66 import com.google.gwt.core.client.EntryPoint;
67 import com.google.gwt.core.client.GWT;
68 import com.google.gwt.core.client.JsArrayString;
69 import com.google.gwt.core.client.Scheduler;
70 import com.google.gwt.core.client.Scheduler.RepeatingCommand;
71 import com.google.gwt.core.client.Scheduler.ScheduledCommand;
72 import com.google.gwt.event.dom.client.ClickEvent;
73 import com.google.gwt.event.dom.client.ClickHandler;
74 import com.google.gwt.event.logical.shared.ResizeEvent;
75 import com.google.gwt.event.logical.shared.ResizeHandler;
76 import com.google.gwt.http.client.Response;
77 import com.google.gwt.http.client.URL;
78 import com.google.gwt.i18n.client.DateTimeFormat;
79 import com.google.gwt.i18n.client.Dictionary;
80 import com.google.gwt.i18n.client.TimeZone;
81 import com.google.gwt.resources.client.ClientBundle;
82 import com.google.gwt.resources.client.CssResource;
83 import com.google.gwt.resources.client.ImageResource;
84 import com.google.gwt.resources.client.ImageResource.ImageOptions;
85 import com.google.gwt.user.client.Command;
86 import com.google.gwt.user.client.Cookies;
87 import com.google.gwt.user.client.Event;
88 import com.google.gwt.user.client.History;
89 import com.google.gwt.user.client.Window;
90 import com.google.gwt.user.client.ui.AbstractImagePrototype;
91 import com.google.gwt.user.client.ui.Button;
92 import com.google.gwt.user.client.ui.Composite;
93 import com.google.gwt.user.client.ui.FlowPanel;
94 import com.google.gwt.user.client.ui.HTML;
95 import com.google.gwt.user.client.ui.HasHorizontalAlignment;
96 import com.google.gwt.user.client.ui.HasVerticalAlignment;
97 import com.google.gwt.user.client.ui.HorizontalPanel;
98 import com.google.gwt.user.client.ui.HorizontalSplitPanel;
99 import com.google.gwt.user.client.ui.PopupPanel;
100 import com.google.gwt.user.client.ui.RootPanel;
101 import com.google.gwt.user.client.ui.VerticalPanel;
102 import com.google.gwt.view.client.SelectionChangeEvent;
103 import com.google.gwt.view.client.SelectionChangeEvent.Handler;
104 import com.google.gwt.view.client.SingleSelectionModel;
105
106 /**
107  * Entry point classes define <code>onModuleLoad()</code>.
108  */
109 public class Pithos implements EntryPoint, ResizeHandler {
110
111         public static final String HOME_CONTAINER = "pithos";
112
113         public static final String TRASH_CONTAINER = "trash";
114
115         public static final Configuration config = GWT.create(Configuration.class);
116         
117         public interface Style extends CssResource {
118                 String commandAnchor();
119                 
120                 String statistics();
121                 
122                 @ClassName("gwt-HTML")
123                 String html();
124                 
125                 String uploadAlert();
126
127                 String uploadAlertLink();
128
129                 String uploadAlertProgress();
130                 
131                 String uploadAlertPercent();
132                 
133                 String uploadAlertClose();
134         }
135         
136         public interface Resources extends ClientBundle {
137                 @Source("Pithos.css")
138                 Style pithosCss();
139                 
140                 @Source("gr/grnet/pithos/resources/close-popup.png")
141                 ImageResource closePopup();
142         }
143
144         public static Resources resources = GWT.create(Resources.class);
145         
146         /**
147          * Instantiate an application-level image bundle. This object will provide
148          * programmatic access to all the images needed by widgets.
149          */
150         static Images images = (Images) GWT.create(Images.class);
151
152     public String getUsername() {
153         return username;
154     }
155
156     public void setAccount(AccountResource acct) {
157         account = acct;
158     }
159
160     public AccountResource getAccount() {
161         return account;
162     }
163
164     public void updateFolder(Folder f, boolean showfiles, Command callback, final boolean openParent) {
165         folderTreeView.updateFolder(f, showfiles, callback, openParent);
166     }
167
168     public void updateGroupNode(Group group) {
169         groupTreeView.updateGroupNode(group);
170     }
171
172     public void updateMySharedRoot() {
173         mysharedTreeView.updateRoot();
174     }
175     
176     public void updateSharedFolder(Folder f, boolean showfiles, Command callback) {
177         mysharedTreeView.updateFolder(f, showfiles, callback);
178     }
179     
180     public void updateSharedFolder(Folder f, boolean showfiles) {
181         updateSharedFolder(f, showfiles, null);
182     }
183
184     public void updateOtherSharedFolder(Folder f, boolean showfiles, Command callback) {
185         otherSharedTreeView.updateFolder(f, showfiles, callback);
186     }
187
188     public MysharedTreeView getMySharedTreeView() {
189         return mysharedTreeView;
190     }
191
192     /**
193          * An aggregate image bundle that pulls together all the images for this
194          * application into a single bundle.
195          */
196         public interface Images extends TopPanel.Images, FileList.Images, ToolsMenu.Images {
197
198                 @Source("gr/grnet/pithos/resources/document.png")
199                 ImageResource folders();
200
201                 @Source("gr/grnet/pithos/resources/advancedsettings.png")
202                 @ImageOptions(width=32, height=32)
203                 ImageResource tools();
204         }
205
206         private Throwable error;
207         
208         /**
209          * The Application Clipboard implementation;
210          */
211         private Clipboard clipboard = new Clipboard();
212
213         /**
214          * The top panel that contains the menu bar.
215          */
216         private TopPanel topPanel;
217
218         /**
219          * The panel that contains the various system messages.
220          */
221         private MessagePanel messagePanel = new MessagePanel(this, Pithos.images);
222
223         /**
224          * The bottom panel that contains the status bar.
225          */
226         StatusPanel statusPanel = null;
227
228         /**
229          * The file list widget.
230          */
231         private FileList fileList;
232
233         /**
234          * The tab panel that occupies the right side of the screen.
235          */
236         private VerticalPanel inner = new VerticalPanel();
237
238
239         /**
240          * The split panel that will contain the left and right panels.
241          */
242         private HorizontalSplitPanel splitPanel = new HorizontalSplitPanel();
243
244         /**
245          * The currently selected item in the application, for use by the Edit menu
246          * commands. Potential types are Folder, File, User and Group.
247          */
248         private Object currentSelection;
249
250         public HashMap<String, String> userFullNameMap = new HashMap<String, String>();
251
252     private String username = null;
253
254     /**
255      * The authentication token of the current user.
256      */
257     private String token;
258
259     VerticalPanel trees;
260     
261     SingleSelectionModel<Folder> folderTreeSelectionModel;
262     FolderTreeViewModel folderTreeViewModel;
263     FolderTreeView folderTreeView;
264
265     SingleSelectionModel<Folder> mysharedTreeSelectionModel;
266     MysharedTreeViewModel mysharedTreeViewModel;
267     MysharedTreeView mysharedTreeView = null;;
268
269     protected SingleSelectionModel<Folder> otherSharedTreeSelectionModel;
270     OtherSharedTreeViewModel otherSharedTreeViewModel;
271     OtherSharedTreeView otherSharedTreeView = null;
272
273     GroupTreeViewModel groupTreeViewModel;
274     GroupTreeView groupTreeView;
275
276     TreeView selectedTree;
277     protected AccountResource account;
278     
279     Folder trash;
280     
281     List<Composite> treeViews = new ArrayList<Composite>();
282
283     @SuppressWarnings("rawtypes") List<SingleSelectionModel> selectionModels = new ArrayList<SingleSelectionModel>();
284     
285     public Button upload;
286     
287     private HTML numOfFiles;
288     
289     private Toolbar toolbar;
290     
291     private FileUploadDialog fileUploadDialog = new FileUploadDialog(this);
292
293         UploadAlert uploadAlert;
294         
295         Date lastModified;
296
297         @Override
298         public void onModuleLoad() {
299                 if (parseUserCredentials())
300             initialize();
301         }
302
303     private void initialize() {
304         lastModified = new Date(); //Initialize if-modified-since value with now.
305         resources.pithosCss().ensureInjected();
306         boolean bareContent = Window.Location.getParameter("noframe") != null;
307         String contentWidth = bareContent ? "100%" : "75%";
308
309         VerticalPanel outer = new VerticalPanel();
310         outer.setWidth("100%");
311         if (!bareContent) {
312                 outer.addStyleName("pithos-outer");
313         }
314
315         if (!bareContent) {
316                 topPanel = new TopPanel(this, Pithos.images);
317                 topPanel.setWidth("100%");
318                 outer.add(topPanel);
319                 outer.setCellHorizontalAlignment(topPanel, HasHorizontalAlignment.ALIGN_CENTER);
320         }
321         
322         messagePanel.setVisible(false);
323         outer.add(messagePanel);
324         outer.setCellHorizontalAlignment(messagePanel, HasHorizontalAlignment.ALIGN_CENTER);
325         outer.setCellVerticalAlignment(messagePanel, HasVerticalAlignment.ALIGN_MIDDLE);
326
327         HorizontalPanel header = new HorizontalPanel();
328         header.addStyleName("pithos-header");
329         header.setWidth(contentWidth);
330         if (bareContent)
331                 header.addStyleName("pithos-header-noframe");
332         upload = new Button("Upload", new ClickHandler() {
333             @Override
334             public void onClick(ClickEvent event) {
335                 if (getSelection() != null)
336                         new UploadFileCommand(Pithos.this, null, getSelection()).execute();
337             }
338         });
339         upload.addStyleName("pithos-uploadButton");
340         header.add(upload);
341         header.setCellHorizontalAlignment(upload, HasHorizontalAlignment.ALIGN_LEFT);
342         header.setCellVerticalAlignment(upload, HasVerticalAlignment.ALIGN_MIDDLE);
343
344         toolbar = new Toolbar(this);
345         header.add(toolbar);
346         header.setCellHorizontalAlignment(toolbar, HasHorizontalAlignment.ALIGN_CENTER);
347         header.setCellVerticalAlignment(toolbar, HasVerticalAlignment.ALIGN_MIDDLE);
348         
349         HorizontalPanel folderStatistics = new HorizontalPanel();
350         folderStatistics.addStyleName("pithos-folderStatistics");
351         numOfFiles = new HTML();
352         folderStatistics.add(numOfFiles);
353         folderStatistics.setCellVerticalAlignment(numOfFiles, HasVerticalAlignment.ALIGN_MIDDLE);
354         HTML numOfFilesLabel = new HTML("&nbsp;Files");
355         folderStatistics.add(numOfFilesLabel);
356         folderStatistics.setCellVerticalAlignment(numOfFilesLabel, HasVerticalAlignment.ALIGN_MIDDLE);
357         header.add(folderStatistics);
358         header.setCellHorizontalAlignment(folderStatistics, HasHorizontalAlignment.ALIGN_RIGHT);
359         header.setCellVerticalAlignment(folderStatistics, HasVerticalAlignment.ALIGN_MIDDLE);
360         header.setCellWidth(folderStatistics, "40px");
361         outer.add(header);
362         outer.setCellHorizontalAlignment(header, HasHorizontalAlignment.ALIGN_CENTER);
363         // Inner contains the various lists
364         inner.sinkEvents(Event.ONCONTEXTMENU);
365         inner.setWidth("100%");
366
367         folderTreeSelectionModel = new SingleSelectionModel<Folder>();
368         folderTreeSelectionModel.addSelectionChangeHandler(new SelectionChangeEvent.Handler() {
369             @Override
370             public void onSelectionChange(SelectionChangeEvent event) {
371                 if (folderTreeSelectionModel.getSelectedObject() != null) {
372                     deselectOthers(folderTreeView, folderTreeSelectionModel);
373                     applyPermissions(folderTreeSelectionModel.getSelectedObject());
374                     Folder f = folderTreeSelectionModel.getSelectedObject();
375                         updateFolder(f, true, new Command() {
376                                 
377                                 @Override
378                                 public void execute() {
379                                         updateStatistics();
380                                 }
381                         }, true);
382                         showRelevantToolbarButtons();
383                 }
384                                 else {
385                                         if (getSelectedTree().equals(folderTreeView))
386                                                 setSelectedTree(null);
387                                         if (getSelectedTree() == null)
388                                                 showRelevantToolbarButtons();
389                                 }
390             }
391         });
392         selectionModels.add(folderTreeSelectionModel);
393
394         folderTreeViewModel = new FolderTreeViewModel(this, folderTreeSelectionModel);
395         folderTreeView = new FolderTreeView(folderTreeViewModel);
396         treeViews.add(folderTreeView);
397         
398         fileList = new FileList(this, images);
399         inner.add(fileList);
400
401         trees = new VerticalPanel();
402         trees.setWidth("100%");
403         
404         // Add the left and right panels to the split panel.
405         splitPanel.setLeftWidget(trees);
406         FlowPanel right = new FlowPanel();
407         right.getElement().setId("rightPanel");
408         right.add(inner);
409         splitPanel.setRightWidget(right);
410         splitPanel.setSplitPosition("219px");
411         splitPanel.setSize("100%", "100%");
412         splitPanel.addStyleName("pithos-splitPanel");
413         splitPanel.setWidth(contentWidth);
414         outer.add(splitPanel);
415         outer.setCellHorizontalAlignment(splitPanel, HasHorizontalAlignment.ALIGN_CENTER);
416
417         if (!bareContent) {
418                 statusPanel = new StatusPanel();
419                 statusPanel.setWidth("100%");
420                 outer.add(statusPanel);
421                 outer.setCellHorizontalAlignment(statusPanel, HasHorizontalAlignment.ALIGN_CENTER);
422         }
423         else
424                 splitPanel.addStyleName("pithos-splitPanel-noframe");
425
426         // Hook the window resize event, so that we can adjust the UI.
427         Window.addResizeHandler(this);
428         // Clear out the window's built-in margin, because we want to take
429         // advantage of the entire client area.
430         Window.setMargin("0px");
431         // Finally, add the outer panel to the RootPanel, so that it will be
432         // displayed.
433         RootPanel.get().add(outer);
434         // Call the window resized handler to get the initial sizes setup. Doing
435         // this in a deferred command causes it to occur after all widgets'
436         // sizes have been computed by the browser.
437         Scheduler.get().scheduleIncremental(new RepeatingCommand() {
438                         
439                         @Override
440                         public boolean execute() {
441                                 if (!isCloudbarReady())
442                                         return true;
443                 onWindowResized(Window.getClientHeight());
444                                 return false;
445                         }
446                 });
447         
448         Scheduler.get().scheduleDeferred(new ScheduledCommand() {
449             @Override
450             public void execute() {
451                 fetchAccount(new Command() {
452                                         
453                                         @Override
454                                         public void execute() {
455                                 if (!account.hasHomeContainer())
456                                     createHomeContainer(account, this);
457                                 else if (!account.hasTrashContainer())
458                                         createTrashContainer(this);
459                                 else {
460                                         for (Folder f : account.getContainers())
461                                                 if (f.getName().equals(Pithos.TRASH_CONTAINER)) {
462                                                         trash = f;
463                                                         break;
464                                                 }
465                                     trees.add(folderTreeView);
466                                     folderTreeViewModel.initialize(account, new Command() {
467                                                                 
468                                                                 @Override
469                                                                 public void execute() {
470                                                     createMySharedTree();
471                                                                 }
472                                                         });
473
474                                     HorizontalPanel separator = new HorizontalPanel();
475                                     separator.addStyleName("pithos-statisticsSeparator");
476                                     separator.add(new HTML(""));
477                                     trees.add(separator);
478
479                                     groupTreeViewModel = new GroupTreeViewModel(Pithos.this);
480                                     groupTreeView = new GroupTreeView(groupTreeViewModel);
481                                     treeViews.add(groupTreeView);
482                                     trees.add(groupTreeView);
483                                     folderTreeView.showStatistics(account);
484                                 }
485                                         }
486                                 });
487             }
488         });
489     }
490     
491     public void scheduleResfresh() {
492                 Scheduler.get().scheduleFixedDelay(new RepeatingCommand() {
493                         
494                         @Override
495                         public boolean execute() {
496                                 final Folder f = getSelection();
497                                 if (f == null)
498                                         return true;
499                                 
500                         HeadRequest<Folder> head = new HeadRequest<Folder>(Folder.class, getApiPath(), getUsername(), "/" + f.getContainer()) {
501
502                                         @Override
503                                         public void onSuccess(Folder _result) {
504                                                 lastModified = new Date();
505                                                 if (getSelectedTree().equals(folderTreeView))
506                                                         updateFolder(f, true, new Command() {
507         
508                                                                 @Override
509                                                                 public void execute() {
510                                                                         scheduleResfresh();
511                                                                 }
512                                                                 
513                                                         }, false);
514                                                 else if (getSelectedTree().equals(mysharedTreeView))
515                                                         updateSharedFolder(f, true, new Command() {
516         
517                                                                 @Override
518                                                                 public void execute() {
519                                                                         scheduleResfresh();
520                                                                 }
521                                                         });
522                                         }
523
524                                         @Override
525                                         public void onError(Throwable t) {
526                                                 if (t instanceof RestException && ((RestException) t).getHttpStatusCode() == HttpStatus.SC_NOT_MODIFIED)
527                                                         scheduleResfresh();
528                                                 else if (retries >= MAX_RETRIES) {
529                                         GWT.log("Error heading folder", t);
530                                                         setError(t);
531                                         if (t instanceof RestException)
532                                             displayError("Error heading folder: " + ((RestException) t).getHttpStatusText());
533                                         else
534                                             displayError("System error heading folder: " + t.getMessage());
535                                 }
536                                 else {//retry
537                                         GWT.log("Retry " + retries);
538                                         Scheduler.get().scheduleDeferred(this);
539                                 }
540                                         }
541
542                                         @Override
543                                         protected void onUnauthorized(Response response) {
544                                                 if (retries >= MAX_RETRIES)
545                                                         sessionExpired();
546                                 else //retry
547                                         Scheduler.get().scheduleDeferred(this);
548                                         }
549                                 };
550                                 head.setHeader("X-Auth-Token", getToken());
551                                 head.setHeader("If-Modified-Since", DateTimeFormat.getFormat("EEE, dd MMM yyyy HH:mm:ss").format(lastModified, TimeZone.createTimeZone(0)) + " GMT");
552                                 Scheduler.get().scheduleDeferred(head);
553                                 
554                                 return false;
555                         }
556                 }, 3000);
557     }
558
559     public void applyPermissions(Folder f) {
560         if (f != null) {
561                 if (f.isInTrash()) {
562                         upload.setEnabled(false);
563                         disableUploadArea();
564                 }
565                 else {
566                         Boolean[] perms = f.getPermissions().get(username);
567                         if (f.getOwner().equals(username) || (perms != null && perms[1] != null && perms[1])) {
568                                 upload.setEnabled(true);
569                                 enableUploadArea();
570                         }
571                         else {
572                                 upload.setEnabled(false);
573                                 disableUploadArea();
574                         }
575                 }
576         }
577         else {
578                 upload.setEnabled(false);
579                 disableUploadArea();
580         }
581         }
582
583         @SuppressWarnings({ "rawtypes", "unchecked" })
584         public void deselectOthers(TreeView _selectedTree, SingleSelectionModel model) {
585         selectedTree = _selectedTree;
586         
587         for (SingleSelectionModel s : selectionModels)
588             if (!s.equals(model) && s.getSelectedObject() != null)
589                 s.setSelected(s.getSelectedObject(), false);
590     }
591
592     public void showFiles(final Folder f) {
593         Set<File> files = f.getFiles();
594         showFiles(files);
595     }
596
597     public void showFiles(Set<File> files) {
598         fileList.setFiles(new ArrayList<File>(files));
599     }
600
601     /**
602          * Parse and store the user credentials to the appropriate fields.
603          */
604         private boolean parseUserCredentials() {
605         Configuration conf = (Configuration) GWT.create(Configuration.class);
606                 Dictionary otherProperties = Dictionary.getDictionary("otherProperties");
607         String cookie = otherProperties.get("authCookie");
608         String auth = Cookies.getCookie(cookie);
609         if (auth == null) {
610             authenticateUser();
611             return false;
612         }
613         if (auth.startsWith("\""))
614                 auth = auth.substring(1);
615         if (auth.endsWith("\""))
616                 auth = auth.substring(0, auth.length() - 1);
617                 String[] authSplit = auth.split("\\" + conf.cookieSeparator(), 2);
618                 if (authSplit.length != 2) {
619                     authenticateUser();
620                     return false;
621                 }
622                 username = authSplit[0];
623                 token = authSplit[1];
624
625         String gotoUrl = Window.Location.getParameter("goto");
626                 if (gotoUrl != null && gotoUrl.length() > 0) {
627                         Window.Location.assign(gotoUrl);
628                         return false;
629                 }
630                 return true;
631     }
632
633     /**
634          * Redirect the user to the login page for authentication.
635          */
636         protected void authenticateUser() {
637                 Dictionary otherProperties = Dictionary.getDictionary("otherProperties");
638         Window.Location.assign(otherProperties.get("loginUrl") + Window.Location.getHref());
639         }
640
641         public void fetchAccount(final Command callback) {
642         String path = "?format=json";
643
644         GetRequest<AccountResource> getAccount = new GetRequest<AccountResource>(AccountResource.class, getApiPath(), username, path) {
645             @Override
646             public void onSuccess(AccountResource _result) {
647                 account = _result;
648                 if (callback != null)
649                         callback.execute();
650             }
651
652             @Override
653             public void onError(Throwable t) {
654                 GWT.log("Error getting account", t);
655                                 setError(t);
656                 if (t instanceof RestException)
657                     displayError("Error getting account: " + ((RestException) t).getHttpStatusText());
658                 else
659                     displayError("System error fetching user data: " + t.getMessage());
660             }
661
662                         @Override
663                         protected void onUnauthorized(Response response) {
664                                 sessionExpired();
665                         }
666         };
667         getAccount.setHeader("X-Auth-Token", token);
668         Scheduler.get().scheduleDeferred(getAccount);
669     }
670
671     public void updateStatistics() {
672         HeadRequest<AccountResource> headAccount = new HeadRequest<AccountResource>(AccountResource.class, getApiPath(), username, "", account) {
673
674                         @Override
675                         public void onSuccess(AccountResource _result) {
676                                 folderTreeView.showStatistics(account);
677                         }
678
679                         @Override
680                         public void onError(Throwable t) {
681                 GWT.log("Error getting account", t);
682                                 setError(t);
683                 if (t instanceof RestException)
684                     displayError("Error getting account: " + ((RestException) t).getHttpStatusText());
685                 else
686                     displayError("System error fetching user data: " + t.getMessage());
687                         }
688
689                         @Override
690                         protected void onUnauthorized(Response response) {
691                                 sessionExpired();
692                         }
693                 };
694                 headAccount.setHeader("X-Auth-Token", token);
695                 Scheduler.get().scheduleDeferred(headAccount);
696         }
697
698         protected void createHomeContainer(final AccountResource _account, final Command callback) {
699         String path = "/" + Pithos.HOME_CONTAINER;
700         PutRequest createPithos = new PutRequest(getApiPath(), getUsername(), path) {
701             @Override
702             public void onSuccess(Resource result) {
703                 if (!_account.hasTrashContainer())
704                         createTrashContainer(callback);
705                 else
706                         fetchAccount(callback);
707             }
708
709             @Override
710             public void onError(Throwable t) {
711                 GWT.log("Error creating pithos", t);
712                                 setError(t);
713                 if (t instanceof RestException)
714                     displayError("Error creating pithos: " + ((RestException) t).getHttpStatusText());
715                 else
716                     displayError("System error Error creating pithos: " + t.getMessage());
717             }
718
719                         @Override
720                         protected void onUnauthorized(Response response) {
721                                 sessionExpired();
722                         }
723         };
724         createPithos.setHeader("X-Auth-Token", getToken());
725         Scheduler.get().scheduleDeferred(createPithos);
726     }
727
728     protected void createTrashContainer(final Command callback) {
729         String path = "/" + Pithos.TRASH_CONTAINER;
730         PutRequest createPithos = new PutRequest(getApiPath(), getUsername(), path) {
731             @Override
732             public void onSuccess(Resource result) {
733                         fetchAccount(callback);
734             }
735
736             @Override
737             public void onError(Throwable t) {
738                 GWT.log("Error creating pithos", t);
739                                 setError(t);
740                 if (t instanceof RestException)
741                     displayError("Error creating pithos: " + ((RestException) t).getHttpStatusText());
742                 else
743                     displayError("System error Error creating pithos: " + t.getMessage());
744             }
745
746                         @Override
747                         protected void onUnauthorized(Response response) {
748                                 sessionExpired();
749                         }
750         };
751         createPithos.setHeader("X-Auth-Token", getToken());
752         Scheduler.get().scheduleDeferred(createPithos);
753     }
754
755     /**
756          * Creates an HTML fragment that places an image & caption together, for use
757          * in a group header.
758          *
759          * @param imageProto an image prototype for an image
760          * @param caption the group caption
761          * @return the header HTML fragment
762          */
763         private String createHeaderHTML(AbstractImagePrototype imageProto, String caption) {
764                 String captionHTML = "<table class='caption' cellpadding='0' " 
765                 + "cellspacing='0'>" + "<tr><td class='lcaption'>" + imageProto.getHTML() 
766                 + "</td><td id =" + caption +" class='rcaption'><b style='white-space:nowrap'>&nbsp;" 
767                 + caption + "</b></td></tr></table>";
768                 return captionHTML;
769         }
770
771         protected void onWindowResized(int height) {
772                 // Adjust the split panel to take up the available room in the window.
773                 int newHeight = height - splitPanel.getAbsoluteTop() - 153;
774                 if (newHeight < 1)
775                         newHeight = 1;
776                 splitPanel.setHeight("" + newHeight);
777                 inner.setHeight("" + newHeight);
778         }
779         
780         native boolean isCloudbarReady()/*-{
781                 if ($wnd.$("div.cloudbar") && $wnd.$("div.cloudbar").height() > 0)
782                         return true;
783                 return false;
784         }-*/;
785         
786         @Override
787         public void onResize(ResizeEvent event) {
788                 int height = event.getHeight();
789                 onWindowResized(height);
790         }
791
792         /**
793          * Display an error message.
794          *
795          * @param msg the message to display
796          */
797         public void displayError(String msg) {
798                 messagePanel.displayError(msg);
799                 onWindowResized(Window.getClientHeight());
800         }
801
802         /**
803          * Display a warning message.
804          *
805          * @param msg the message to display
806          */
807         public void displayWarning(String msg) {
808                 messagePanel.displayWarning(msg);
809                 onWindowResized(Window.getClientHeight());
810         }
811
812         /**
813          * Display an informational message.
814          *
815          * @param msg the message to display
816          */
817         public void displayInformation(String msg) {
818                 messagePanel.displayInformation(msg);
819                 onWindowResized(Window.getClientHeight());
820         }
821
822         /**
823          * Retrieve the fileList.
824          *
825          * @return the fileList
826          */
827         public FileList getFileList() {
828                 return fileList;
829         }
830
831         /**
832          * Retrieve the topPanel.
833          *
834          * @return the topPanel
835          */
836         TopPanel getTopPanel() {
837                 return topPanel;
838         }
839
840         /**
841          * Retrieve the clipboard.
842          *
843          * @return the clipboard
844          */
845         public Clipboard getClipboard() {
846                 return clipboard;
847         }
848
849         public StatusPanel getStatusPanel() {
850                 return statusPanel;
851         }
852
853         public String getToken() {
854                 return token;
855         }
856
857         public static native void preventIESelection() /*-{
858                 $doc.body.onselectstart = function() {
859                         return false;
860                 };
861         }-*/;
862
863         public static native void enableIESelection() /*-{
864                 if ($doc.body.onselectstart != null)
865                         $doc.body.onselectstart = null;
866         }-*/;
867
868         /**
869          * @return the absolute path of the API root URL
870          */
871         public String getApiPath() {
872                 Configuration conf = (Configuration) GWT.create(Configuration.class);
873                 return conf.apiPath();
874         }
875
876         /**
877          * History support for folder navigation
878          * adds a new browser history entry
879          *
880          * @param key
881          */
882         public void updateHistory(String key){
883 //              Replace any whitespace of the initial string to "+"
884 //              String result = key.replaceAll("\\s","+");
885 //              Add a new browser history entry.
886 //              History.newItem(result);
887                 History.newItem(key);
888         }
889
890     public void deleteFolder(final Folder folder, final Command callback) {
891         final PleaseWaitPopup pwp = new PleaseWaitPopup();
892         pwp.center();
893         String path = "/" + folder.getContainer() + "/" + folder.getPrefix() + "?delimiter=/" + "&t=" + System.currentTimeMillis();
894         DeleteRequest deleteFolder = new DeleteRequest(getApiPath(), folder.getOwner(), path) {
895                         
896                         @Override
897                         protected void onUnauthorized(Response response) {
898                                 pwp.hide();
899                                 sessionExpired();
900                         }
901                         
902                         @Override
903                         public void onSuccess(Resource result) {
904                 updateFolder(folder.getParent(), true, new Command() {
905                                         
906                                         @Override
907                                         public void execute() {
908                                                 folderTreeSelectionModel.setSelected(folder.getParent(), true);
909                                                 updateStatistics();
910                                                 if (callback != null)
911                                                         callback.execute();
912                                                 pwp.hide();
913                                         }
914                                 }, true);
915                         }
916                         
917                         @Override
918                         public void onError(Throwable t) {
919                 GWT.log("", t);
920                                 setError(t);
921                 if (t instanceof RestException) {
922                         if (((RestException) t).getHttpStatusCode() != Response.SC_NOT_FOUND)
923                                 displayError("Unable to delete folder: "+((RestException) t).getHttpStatusText());
924                         else
925                                 onSuccess(null);
926                 }
927                 else
928                     displayError("System error unable to delete folder: " + t.getMessage());
929                                 pwp.hide();
930                         }
931                 };
932                 deleteFolder.setHeader("X-Auth-Token", getToken());
933                 Scheduler.get().scheduleDeferred(deleteFolder);
934     }
935
936     public FolderTreeView getFolderTreeView() {
937         return folderTreeView;
938     }
939
940     public void copyFiles(final Iterator<File> iter, final String targetUsername, final String targetUri, final Command callback) {
941         if (iter.hasNext()) {
942             File file = iter.next();
943             String path = targetUri + "/" + file.getName();
944             PutRequest copyFile = new PutRequest(getApiPath(), targetUsername, path) {
945                 @Override
946                 public void onSuccess(Resource result) {
947                     copyFiles(iter, targetUsername, targetUri, callback);
948                 }
949
950                 @Override
951                 public void onError(Throwable t) {
952                     GWT.log("", t);
953                                         setError(t);
954                     if (t instanceof RestException) {
955                         displayError("Unable to copy file: " + ((RestException) t).getHttpStatusText());
956                     }
957                     else
958                         displayError("System error unable to copy file: "+t.getMessage());
959                 }
960
961                                 @Override
962                                 protected void onUnauthorized(Response response) {
963                                         sessionExpired();
964                                 }
965             };
966             copyFile.setHeader("X-Auth-Token", getToken());
967             copyFile.setHeader("X-Copy-From", URL.encodePathSegment(file.getUri()));
968             if (!file.getOwner().equals(targetUsername))
969                 copyFile.setHeader("X-Source-Account", URL.encodePathSegment(file.getOwner()));
970             copyFile.setHeader("Content-Type", file.getContentType());
971             Scheduler.get().scheduleDeferred(copyFile);
972         }
973         else  if (callback != null) {
974             callback.execute();
975         }
976     }
977
978     public void copyFolder(final Folder f, final String targetUsername, final String targetUri, boolean move, final Command callback) {
979         String path = targetUri + "?delimiter=/";
980         PutRequest copyFolder = new PutRequest(getApiPath(), targetUsername, path) {
981             @Override
982             public void onSuccess(Resource result) {
983                 if (callback != null)
984                         callback.execute();
985             }
986
987             @Override
988             public void onError(Throwable t) {
989                 GWT.log("", t);
990                                 setError(t);
991                if (t instanceof RestException) {
992                     displayError("Unable to copy folder: " + ((RestException) t).getHttpStatusText());
993                 }
994                 else
995                     displayError("System error copying folder: " + t.getMessage());
996             }
997
998                         @Override
999                         protected void onUnauthorized(Response response) {
1000                                 sessionExpired();
1001                         }
1002         };
1003         copyFolder.setHeader("X-Auth-Token", getToken());
1004         copyFolder.setHeader("Accept", "*/*");
1005         copyFolder.setHeader("Content-Length", "0");
1006         copyFolder.setHeader("Content-Type", "application/directory");
1007         if (!f.getOwner().equals(targetUsername))
1008                 copyFolder.setHeader("X-Source-Account", f.getOwner());
1009         if (move)
1010             copyFolder.setHeader("X-Move-From", URL.encodePathSegment(f.getUri()));
1011         else
1012                 copyFolder.setHeader("X-Copy-From", URL.encodePathSegment(f.getUri()));
1013         Scheduler.get().scheduleDeferred(copyFolder);
1014     }
1015     
1016     public void addSelectionModel(@SuppressWarnings("rawtypes") SingleSelectionModel model) {
1017         selectionModels.add(model);
1018     }
1019
1020         public OtherSharedTreeView getOtherSharedTreeView() {
1021                 return otherSharedTreeView;
1022         }
1023
1024         public void updateTrash(boolean showFiles, Command callback) {
1025                 updateFolder(trash, showFiles, callback, true);
1026         }
1027
1028         public void updateGroupsNode() {
1029                 groupTreeView.updateGroupNode(null);
1030         }
1031
1032         public Group addGroup(String groupname) {
1033                 Group newGroup = new Group(groupname);
1034                 account.addGroup(newGroup);
1035                 groupTreeView.updateGroupNode(null);
1036                 return newGroup;
1037         }
1038
1039         public void removeGroup(Group group) {
1040                 account.removeGroup(group);
1041                 updateGroupsNode();
1042         }
1043
1044         public TreeView getSelectedTree() {
1045                 return selectedTree;
1046         }
1047         
1048         public void setSelectedTree(TreeView selected) {
1049                 selectedTree = selected;
1050         }
1051
1052         public Folder getSelection() {
1053                 if (selectedTree != null)
1054                         return selectedTree.getSelection();
1055                 return null;
1056         }
1057
1058         public void showFolderStatistics(int folderFileCount) {
1059                 numOfFiles.setHTML(String.valueOf(folderFileCount));
1060         }
1061
1062         public GroupTreeView getGroupTreeView() {
1063                 return groupTreeView;
1064         }
1065
1066         public void sessionExpired() {
1067                 new SessionExpiredDialog(this).center();
1068         }
1069
1070         public void updateRootFolder(Command callback) {
1071                 updateFolder(account.getPithos(), false, callback, true);
1072         }
1073
1074         void createMySharedTree() {
1075                 mysharedTreeSelectionModel = new SingleSelectionModel<Folder>();
1076                 mysharedTreeSelectionModel.addSelectionChangeHandler(new Handler() {
1077                     @Override
1078                     public void onSelectionChange(SelectionChangeEvent event) {
1079                         if (mysharedTreeSelectionModel.getSelectedObject() != null) {
1080                             deselectOthers(mysharedTreeView, mysharedTreeSelectionModel);
1081                             upload.setEnabled(false);
1082                             disableUploadArea();
1083                             updateSharedFolder(mysharedTreeSelectionModel.getSelectedObject(), true);
1084                                         showRelevantToolbarButtons();
1085                         }
1086                                 else {
1087                                         if (getSelectedTree().equals(mysharedTreeView))
1088                                                 setSelectedTree(null);
1089                                         if (getSelectedTree() == null)
1090                                                 showRelevantToolbarButtons();
1091                                 }
1092                     }
1093                 });
1094                 selectionModels.add(mysharedTreeSelectionModel);
1095                 mysharedTreeViewModel = new MysharedTreeViewModel(Pithos.this, mysharedTreeSelectionModel);
1096                 mysharedTreeViewModel.initialize(new Command() {
1097                         
1098                         @Override
1099                         public void execute() {
1100                             mysharedTreeView = new MysharedTreeView(mysharedTreeViewModel);
1101                                 trees.insert(mysharedTreeView, 2);
1102                                 treeViews.add(mysharedTreeView);
1103                                 createOtherSharedTree();
1104                         }
1105                 });
1106         }
1107
1108         void createOtherSharedTree() {
1109                 otherSharedTreeSelectionModel = new SingleSelectionModel<Folder>();
1110                 otherSharedTreeSelectionModel.addSelectionChangeHandler(new Handler() {
1111                     @Override
1112                     public void onSelectionChange(SelectionChangeEvent event) {
1113                         if (otherSharedTreeSelectionModel.getSelectedObject() != null) {
1114                             deselectOthers(otherSharedTreeView, otherSharedTreeSelectionModel);
1115                             applyPermissions(otherSharedTreeSelectionModel.getSelectedObject());
1116                             updateOtherSharedFolder(otherSharedTreeSelectionModel.getSelectedObject(), true, null);
1117                                         showRelevantToolbarButtons();
1118                         }
1119                                 else {
1120                                         if (getSelectedTree().equals(otherSharedTreeView))
1121                                                 setSelectedTree(null);
1122                                         if (getSelectedTree() == null)
1123                                                 showRelevantToolbarButtons();
1124                                 }
1125                     }
1126                 });
1127                 selectionModels.add(otherSharedTreeSelectionModel);
1128                 otherSharedTreeViewModel = new OtherSharedTreeViewModel(Pithos.this, otherSharedTreeSelectionModel);
1129                 otherSharedTreeViewModel.initialize(new Command() {
1130                         
1131                         @Override
1132                         public void execute() {
1133                             otherSharedTreeView = new OtherSharedTreeView(otherSharedTreeViewModel);
1134                                 trees.insert(otherSharedTreeView, 1);
1135                                 treeViews.add(otherSharedTreeView);
1136                                 scheduleResfresh();
1137                         }
1138                 });
1139         }
1140
1141         public native void log1(String message)/*-{
1142                 $wnd.console.log(message);
1143         }-*/;
1144
1145         public String getErrorData() {
1146                 if (error != null)
1147                         return error.toString();
1148                 return "";
1149         }
1150         
1151         public void setError(Throwable t) {
1152                 error = t;
1153         }
1154         
1155         public void showRelevantToolbarButtons() {
1156                 toolbar.showRelevantButtons();
1157         }
1158
1159         public FileUploadDialog getFileUploadDialog() {
1160                 if (fileUploadDialog == null)
1161                         fileUploadDialog = new FileUploadDialog(this);
1162                 return fileUploadDialog;
1163         }
1164
1165         public void hideUploadIndicator() {
1166                 upload.removeStyleName("pithos-uploadButton-loading");
1167                 upload.setTitle("");
1168         }
1169         
1170         public void showUploadIndicator() {
1171                 upload.addStyleName("pithos-uploadButton-loading");
1172                 upload.setTitle("Upload in progress. Click for details.");
1173         }
1174
1175         public void scheduleFolderHeadCommand(final Folder folder, final Command callback) {
1176                 if (folder == null) {
1177                         if (callback != null)
1178                                 callback.execute();
1179                 }
1180                 else {
1181                         HeadRequest<Folder> headFolder = new HeadRequest<Folder>(Folder.class, getApiPath(), folder.getOwner(), folder.getUri(), folder) {
1182         
1183                                 @Override
1184                                 public void onSuccess(Folder _result) {
1185                                         if (callback != null)
1186                                                 callback.execute();
1187                                 }
1188         
1189                                 @Override
1190                                 public void onError(Throwable t) {
1191                                 if (t instanceof RestException) {
1192                                         if (((RestException) t).getHttpStatusCode() == Response.SC_NOT_FOUND) {
1193                                 final String path = folder.getUri();
1194                                 PutRequest newFolder = new PutRequest(getApiPath(), folder.getOwner(), path) {
1195                                     @Override
1196                                     public void onSuccess(Resource _result) {
1197                                         scheduleFolderHeadCommand(folder, callback);
1198                                     }
1199         
1200                                     @Override
1201                                     public void onError(Throwable _t) {
1202                                         GWT.log("", _t);
1203                                                                 setError(_t);
1204                                         if(_t instanceof RestException){
1205                                             displayError("Unable to create folder: " + ((RestException) _t).getHttpStatusText());
1206                                         }
1207                                         else
1208                                             displayError("System error creating folder: " + _t.getMessage());
1209                                     }
1210         
1211                                                 @Override
1212                                                 protected void onUnauthorized(Response response) {
1213                                                         sessionExpired();
1214                                                 }
1215                                 };
1216                                 newFolder.setHeader("X-Auth-Token", getToken());
1217                                 newFolder.setHeader("Content-Type", "application/folder");
1218                                 newFolder.setHeader("Accept", "*/*");
1219                                 newFolder.setHeader("Content-Length", "0");
1220                                 Scheduler.get().scheduleDeferred(newFolder);
1221                                         }
1222                                         else
1223                                                 displayError("Error heading folder: " + ((RestException) t).getHttpStatusText());
1224                                 }
1225                                 else
1226                                     displayError("System error heading folder: " + t.getMessage());
1227         
1228                                 GWT.log("Error heading folder", t);
1229                                         setError(t);
1230                                 }
1231         
1232                                 @Override
1233                                 protected void onUnauthorized(Response response) {
1234                                         sessionExpired();
1235                                 }
1236                         };
1237                         headFolder.setHeader("X-Auth-Token", getToken());
1238                         Scheduler.get().scheduleDeferred(headFolder);
1239                 }
1240         }
1241
1242         public void scheduleFileHeadCommand(File f, final Command callback) {
1243                 HeadRequest<File> headFile = new HeadRequest<File>(File.class, getApiPath(), f.getOwner(), f.getUri(), f) {
1244
1245                         @Override
1246                         public void onSuccess(File _result) {
1247                                 if (callback != null)
1248                                         callback.execute();
1249                         }
1250
1251                         @Override
1252                         public void onError(Throwable t) {
1253                         GWT.log("Error heading file", t);
1254                                 setError(t);
1255                         if (t instanceof RestException)
1256                             displayError("Error heading file: " + ((RestException) t).getHttpStatusText());
1257                         else
1258                             displayError("System error heading file: " + t.getMessage());
1259                         }
1260
1261                         @Override
1262                         protected void onUnauthorized(Response response) {
1263                                 sessionExpired();
1264                         }
1265                 };
1266                 headFile.setHeader("X-Auth-Token", getToken());
1267                 Scheduler.get().scheduleDeferred(headFile);
1268         }
1269
1270         public boolean isMySharedSelected() {
1271                 return getSelectedTree().equals(getMySharedTreeView());
1272         }
1273         
1274         private Folder getUploadFolder() {
1275                 if (folderTreeView.equals(getSelectedTree()) || otherSharedTreeView.equals(getSelectedTree())) {
1276                         return getSelection();
1277                 }
1278                 return null;
1279         }
1280         
1281         private void updateUploadFolder() {
1282                 updateUploadFolder(null);
1283         }
1284         
1285         private void updateUploadFolder(final JsArrayString urls) {
1286                 if (folderTreeView.equals(getSelectedTree()) || otherSharedTreeView.equals(getSelectedTree())) {
1287                         Folder f = getSelection();
1288                         if (getSelectedTree().equals(getFolderTreeView()))
1289                                 updateFolder(f, true, new Command() {
1290                                 
1291                                         @Override
1292                                         public void execute() {
1293                                                 updateStatistics();
1294                                                 if (urls != null)
1295                                                         selectUploadedFiles(urls);
1296                                         }
1297                                 }, false);
1298                         else
1299                                 updateOtherSharedFolder(f, true, null);
1300                 }
1301         }
1302
1303         public native void disableUploadArea() /*-{
1304                 var uploader = $wnd.$("#uploader").pluploadQueue();
1305                 var dropElm = $wnd.document.getElementById('rightPanel');
1306                 $wnd.plupload.removeAllEvents(dropElm, uploader.id);
1307         }-*/;
1308
1309         public native void enableUploadArea() /*-{
1310                 var uploader = $wnd.$("#uploader").pluploadQueue();
1311                 var dropElm = $wnd.document.getElementById('rightPanel');
1312                 $wnd.plupload.removeAllEvents(dropElm, uploader.id);
1313                 if (uploader.runtime == 'html5') {
1314                         uploader.settings.drop_element = 'rightPanel';
1315                         uploader.trigger('PostInit');
1316                 }
1317         }-*/;
1318         
1319         public void showUploadAlert(int nOfFiles) {
1320                 if (uploadAlert == null)
1321                         uploadAlert = new UploadAlert(this, nOfFiles);
1322                 if (!uploadAlert.isShowing())
1323                         uploadAlert.setPopupPositionAndShow(new PopupPanel.PositionCallback() {
1324                                 
1325                                 @Override
1326                                 public void setPosition(int offsetWidth, int offsetHeight) {
1327                                         uploadAlert.setPopupPosition((Window.getClientWidth() - offsetWidth)/2, statusPanel.getAbsoluteTop() - offsetHeight);
1328                                 }
1329                         });
1330                 uploadAlert.setNumOfFiles(nOfFiles);
1331         }
1332         
1333         public void hideUploadAlert() {
1334                 if (uploadAlert != null && uploadAlert.isShowing())
1335                         uploadAlert.hide();
1336         }
1337         
1338         public void selectUploadedFiles(JsArrayString urls) {
1339                 List<String> selectedUrls = new ArrayList<String>();
1340                 for (int i=0; i<urls.length(); i++)
1341                         selectedUrls.add(urls.get(i));
1342                 fileList.selectByUrl(selectedUrls);
1343         }
1344         
1345         public void emptyContainer(final Folder container) {
1346                 String path = "/" + container.getName() + "?delimiter=/";
1347                 DeleteRequest delete = new DeleteRequest(getApiPath(), getUsername(), path) {
1348                         
1349                         @Override
1350                         protected void onUnauthorized(Response response) {
1351                                 sessionExpired();
1352                         }
1353                         
1354                         @Override
1355                         public void onSuccess(Resource result) {
1356                                 updateFolder(container, true, null, true);
1357                         }
1358                         
1359                         @Override
1360                         public void onError(Throwable t) {
1361                 GWT.log("Error deleting trash", t);
1362                                 setError(t);
1363                 if (t instanceof RestException)
1364                     displayError("Error deleting trash: " + ((RestException) t).getHttpStatusText());
1365                 else
1366                     displayError("System error deleting trash: " + t.getMessage());
1367                         }
1368                 };
1369                 delete.setHeader("X-Auth-Token", getToken());
1370                 Scheduler.get().scheduleDeferred(delete);
1371         }
1372 }