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

   1 /*
   2  * Copyright 2011 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.core.client.Scheduler;
  38 import com.google.gwt.core.client.Scheduler.ScheduledCommand;
  39 import com.google.gwt.http.client.Request;
  40 import com.google.gwt.http.client.RequestBuilder;
  41 import com.google.gwt.http.client.RequestCallback;
  42 import com.google.gwt.http.client.RequestException;
  43 import com.google.gwt.http.client.Response;
  44 import com.google.gwt.json.client.JSONArray;
  45 import com.google.gwt.json.client.JSONObject;
  46 import com.google.gwt.json.client.JSONParser;
  47 import com.google.gwt.json.client.JSONString;
  48 import com.google.gwt.json.client.JSONValue;
  49 import com.google.gwt.user.client.Command;
  50 import com.google.gwt.view.client.SelectionChangeEvent;
  51 import com.google.gwt.view.client.SingleSelectionModel;
  52 import gr.grnet.pithos.web.client.commands.GetUserCommand;
  53 import gr.grnet.pithos.web.client.foldertree.AccountResource;
  54 import gr.grnet.pithos.web.client.foldertree.File;
  55 import gr.grnet.pithos.web.client.foldertree.Folder;
  56 import gr.grnet.pithos.web.client.foldertree.FolderTreeView;
  57 import gr.grnet.pithos.web.client.foldertree.FolderTreeViewModel;
  58 import gr.grnet.pithos.web.client.foldertree.Resource;
  59 import gr.grnet.pithos.web.client.rest.DeleteRequest;
  60 import gr.grnet.pithos.web.client.rest.GetRequest;
  61 import gr.grnet.pithos.web.client.rest.PutRequest;
  62 import gr.grnet.pithos.web.client.rest.RestException;
  63 import gr.grnet.pithos.web.client.rest.resource.FileResource;
  64 import gr.grnet.pithos.web.client.rest.resource.OtherUserResource;
  65 import gr.grnet.pithos.web.client.rest.resource.RestResource;
  66 import gr.grnet.pithos.web.client.rest.resource.RestResourceWrapper;
  67 import gr.grnet.pithos.web.client.rest.resource.SharedResource;
  68 import gr.grnet.pithos.web.client.rest.resource.TrashResource;
  69 import gr.grnet.pithos.web.client.rest.resource.UserResource;
  70
  71 import gr.grnet.pithos.web.client.tagtree.Tag;
  72 import gr.grnet.pithos.web.client.tagtree.TagTreeView;
  73 import gr.grnet.pithos.web.client.tagtree.TagTreeViewModel;
  74 import java.util.ArrayList;
  75 import java.util.Arrays;
  76 import java.util.Date;
  77 import java.util.HashMap;
  78 import java.util.Iterator;
  79 import java.util.List;
  80
  81 import com.google.gwt.core.client.EntryPoint;
  82 import com.google.gwt.core.client.GWT;
  83 import com.google.gwt.event.logical.shared.ResizeEvent;
  84 import com.google.gwt.event.logical.shared.ResizeHandler;
  85 import com.google.gwt.event.logical.shared.SelectionEvent;
  86 import com.google.gwt.event.logical.shared.SelectionHandler;
  87 import com.google.gwt.http.client.URL;
  88 import com.google.gwt.i18n.client.DateTimeFormat;
  89 import com.google.gwt.resources.client.ClientBundle;
  90 import com.google.gwt.resources.client.ImageResource;
  91 import com.google.gwt.user.client.Cookies;
  92 import com.google.gwt.user.client.Event;
  93 import com.google.gwt.user.client.History;
  94 import com.google.gwt.user.client.Window;
  95 import com.google.gwt.user.client.ui.AbstractImagePrototype;
  96 import com.google.gwt.user.client.ui.DecoratedTabPanel;
  97 import com.google.gwt.user.client.ui.HasHorizontalAlignment;
  98 import com.google.gwt.user.client.ui.HorizontalSplitPanel;
  99 import com.google.gwt.user.client.ui.RootPanel;
 100 import com.google.gwt.user.client.ui.TabPanel;
 101 import com.google.gwt.user.client.ui.VerticalPanel;
 102 import java.util.Set;
 103
 104 /**
 105  * Entry point classes define <code>onModuleLoad()</code>.
 106  */
 107 public class Pithos implements EntryPoint, ResizeHandler {
 108
 109         /**
 110          * A constant that denotes the completion of an IncrementalCommand.
 111          */
 112         public static final boolean DONE = false;
 113
 114         public static final int VISIBLE_FILE_COUNT = 25;
 115
 116         /**
 117          * Instantiate an application-level image bundle. This object will provide
 118          * programmatic access to all the images needed by widgets.
 119          */
 120         private static Images images = (Images) GWT.create(Images.class);
 121
 122     public String getUsername() {
 123         return username;
 124     }
 125
 126     public void setAccount(AccountResource acct) {
 127         account = acct;
 128     }
 129
 130     public AccountResource getAccount() {
 131         return account;
 132     }
 133
 134     public void updateFolder(Folder f) {
 135         folderTreeView.updateFolder(f);
 136     }
 137
 138     /**
 139          * An aggregate image bundle that pulls together all the images for this
 140          * application into a single bundle.
 141          */
 142         public interface Images extends ClientBundle, TopPanel.Images, StatusPanel.Images, FileMenu.Images, EditMenu.Images, SettingsMenu.Images, FilePropertiesDialog.Images, MessagePanel.Images, FileList.Images, Search.Images, CellTreeView.Images {
 143
 144                 @Source("gr/grnet/pithos/resources/document.png")
 145                 ImageResource folders();
 146
 147                 @Source("gr/grnet/pithos/resources/edit_group_22.png")
 148                 ImageResource groups();
 149
 150                 @Source("gr/grnet/pithos/resources/search.png")
 151                 ImageResource search();
 152         }
 153
 154         /**
 155          * The single Pithos instance.
 156          */
 157         private static Pithos singleton;
 158
 159         /**
 160          * Gets the singleton Pithos instance.
 161          *
 162          * @return the Pithos object
 163          */
 164         public static Pithos get() {
 165                 if (Pithos.singleton == null)
 166                         Pithos.singleton = new Pithos();
 167                 return Pithos.singleton;
 168         }
 169
 170         /**
 171          * The Application Clipboard implementation;
 172          */
 173         private Clipboard clipboard = new Clipboard();
 174
 175         private UserResource currentUserResource;
 176
 177         /**
 178          * The top panel that contains the menu bar.
 179          */
 180         private TopPanel topPanel;
 181
 182         /**
 183          * The panel that contains the various system messages.
 184          */
 185         private MessagePanel messagePanel = new MessagePanel(Pithos.images);
 186
 187         /**
 188          * The bottom panel that contains the status bar.
 189          */
 190         private StatusPanel statusPanel = null;
 191
 192         /**
 193          * The top right panel that displays the logged in user details
 194          */
 195         private UserDetailsPanel userDetailsPanel = new UserDetailsPanel();
 196
 197         /**
 198          * The file list widget.
 199          */
 200         private FileList fileList;
 201
 202         /**
 203          * The tab panel that occupies the right side of the screen.
 204          */
 205         private TabPanel inner = new DecoratedTabPanel(){
 206
 207 //              public void onBrowserEvent(com.google.gwt.user.client.Event event) {
 208 //                      if (DOM.eventGetType(event) == Event.ONCONTEXTMENU){
 209 //                              if(isFileListShowing()){
 210 //                                      getFileList().showContextMenu(event);
 211 //                              }
 212 //                      }
 213 //              };
 214         };
 215
 216
 217         /**
 218          * The split panel that will contain the left and right panels.
 219          */
 220         private HorizontalSplitPanel splitPanel = new HorizontalSplitPanel();
 221
 222         /**
 223          * The widget that displays the tree of folders.
 224          */
 225
 226         private CellTreeView treeView = null;
 227         /**
 228          * The currently selected item in the application, for use by the Edit menu
 229          * commands. Potential types are Folder, File, User and Group.
 230          */
 231         private Object currentSelection;
 232
 233
 234         /**
 235          * The WebDAV password of the current user
 236          */
 237         private String webDAVPassword;
 238
 239         public HashMap<String, String> userFullNameMap = new HashMap<String, String>();
 240
 241     private String username = null;
 242
 243     /**
 244      * The authentication token of the current user.
 245      */
 246     private String token;
 247
 248     private SingleSelectionModel<Folder> folderTreeSelectionModel;
 249     private FolderTreeViewModel folderTreeViewModel;
 250     private FolderTreeView folderTreeView;
 251
 252     private SingleSelectionModel<Tag> tagTreeSelectionModel;
 253     private TagTreeViewModel tagTreeViewModel;
 254     private TagTreeView tagTreeView;
 255
 256     private AccountResource account;
 257
 258         @Override
 259         public void onModuleLoad() {
 260                 // Initialize the singleton before calling the constructors of the
 261                 // various widgets that might call Pithos.get().
 262                 singleton = this;
 263                 if (parseUserCredentials())
 264             initialize();
 265         }
 266
 267     private void initialize() {
 268         topPanel = new TopPanel(Pithos.images);
 269         topPanel.setWidth("100%");
 270
 271         messagePanel.setWidth("100%");
 272         messagePanel.setVisible(false);
 273
 274
 275         // Inner contains the various lists.
 276         inner.sinkEvents(Event.ONCONTEXTMENU);
 277         inner.setAnimationEnabled(true);
 278         inner.getTabBar().addStyleName("pithos-MainTabBar");
 279         inner.getDeckPanel().addStyleName("pithos-MainTabPanelBottom");
 280
 281         inner.setWidth("100%");
 282
 283         inner.addSelectionHandler(new SelectionHandler<Integer>() {
 284
 285             @Override
 286             public void onSelection(SelectionEvent<Integer> event) {
 287                 int tabIndex = event.getSelectedItem();
 288                 switch (tabIndex) {
 289                     case 0:
 290                         fileList.updateCurrentlyShowingStats();
 291                         break;
 292                 }
 293             }
 294         });
 295
 296         folderTreeSelectionModel = new SingleSelectionModel<Folder>();
 297         folderTreeSelectionModel.addSelectionChangeHandler(new SelectionChangeEvent.Handler() {
 298             @Override
 299             public void onSelectionChange(SelectionChangeEvent event) {
 300                 Folder f = folderTreeSelectionModel.getSelectedObject();
 301                 updateFolder(f);
 302             }
 303         });
 304
 305         folderTreeViewModel = new FolderTreeViewModel(folderTreeSelectionModel);
 306         folderTreeView = new FolderTreeView(folderTreeViewModel);
 307
 308         fileList = new FileList(images, folderTreeView);
 309         inner.add(fileList, createHeaderHTML(AbstractImagePrototype.create(images.folders()), "Files"), true);
 310
 311         tagTreeSelectionModel = new SingleSelectionModel<Tag>();
 312         tagTreeViewModel = new TagTreeViewModel(tagTreeSelectionModel);
 313         tagTreeView = new TagTreeView(tagTreeViewModel);
 314
 315         VerticalPanel trees = new VerticalPanel();
 316         trees.add(folderTreeView);
 317         trees.add(tagTreeView);
 318         // Add the left and right panels to the split panel.
 319         splitPanel.setLeftWidget(trees);
 320         splitPanel.setRightWidget(inner);
 321         splitPanel.setSplitPosition("25%");
 322         splitPanel.setSize("100%", "100%");
 323         splitPanel.addStyleName("pithos-splitPanel");
 324
 325         // Create a dock panel that will contain the menu bar at the top,
 326         // the shortcuts to the left, the status bar at the bottom and the
 327         // right panel taking the rest.
 328         VerticalPanel outer = new VerticalPanel();
 329         outer.add(topPanel);
 330         outer.add(messagePanel);
 331         outer.add(splitPanel);
 332         statusPanel = new StatusPanel(Pithos.images);
 333         outer.add(statusPanel);
 334         outer.setWidth("100%");
 335         outer.setCellHorizontalAlignment(messagePanel, HasHorizontalAlignment.ALIGN_CENTER);
 336
 337         outer.setSpacing(4);
 338
 339         // Hook the window resize event, so that we can adjust the UI.
 340         Window.addResizeHandler(this);
 341         // Clear out the window's built-in margin, because we want to take
 342         // advantage of the entire client area.
 343         Window.setMargin("0px");
 344         // Finally, add the outer panel to the RootPanel, so that it will be
 345         // displayed.
 346         RootPanel.get().add(outer);
 347         // Call the window resized handler to get the initial sizes setup. Doing
 348         // this in a deferred command causes it to occur after all widgets'
 349         // sizes have been computed by the browser.
 350         Scheduler.get().scheduleDeferred(new ScheduledCommand() {
 351
 352             @Override
 353             public void execute() {
 354                 onWindowResized(Window.getClientHeight());
 355             }
 356         });
 357
 358         Scheduler.get().scheduleDeferred(new ScheduledCommand() {
 359             @Override
 360             public void execute() {
 361                 fetchAccount();
 362             }
 363         });
 364     }
 365
 366     public void showFiles(Folder f) {
 367         inner.selectTab(0);
 368         if (f.isTrash()) {
 369             fileList.showTrash();
 370         }
 371         else
 372             fileList.showFiles();
 373         Set<File> files = f.getFiles();
 374         Iterator<File> iter = files.iterator();
 375         fetchFile(iter, files);
 376     }
 377
 378     private void fetchFile(final Iterator<File> iter, final Set<File> files) {
 379         if (iter.hasNext()) {
 380             File file = iter.next();
 381             String path = getApiPath() + username + "/" + file.getContainer() + "/" + file.getPath() + "?format=json";
 382             GetRequest<File> getFile = new GetRequest<File>(File.class, path, file) {
 383                 @Override
 384                 public void onSuccess(File result) {
 385                     fetchFile(iter, files);
 386                 }
 387
 388                 @Override
 389                 public void onError(Throwable t) {
 390                     GWT.log("Error getting file", t);
 391                     if (t instanceof RestException)
 392                         Pithos.get().displayError("Error getting file: " + ((RestException) t).getHttpStatusText());
 393                     else
 394                         Pithos.get().displayError("System error fetching file: " + t.getMessage());
 395                 }
 396             };
 397             getFile.setHeader("X-Auth-Token", "0000");
 398             Scheduler.get().scheduleDeferred(getFile);
 399         }
 400         else
 401             fileList.setFiles(new ArrayList<File>(files));
 402     }
 403
 404     /**
 405          * Parse and store the user credentials to the appropriate fields.
 406          */
 407         private boolean parseUserCredentials() {
 408                 Configuration conf = (Configuration) GWT.create(Configuration.class);
 409                 String cookie = conf.authCookie();
 410                 String auth = Cookies.getCookie(cookie);
 411                 if (auth == null) {
 412                         authenticateUser();
 413             return false;
 414         }
 415         else {
 416             String[] authSplit = auth.split("\\" + conf.cookieSeparator(), 2);
 417             if (authSplit.length != 2) {
 418                 authenticateUser();
 419                 return false;
 420             }
 421             else {
 422                 username = authSplit[0];
 423                 token = authSplit[1];
 424                 return true;
 425             }
 426         }
 427         }
 428
 429     /**
 430          * Redirect the user to the login page for authentication.
 431          */
 432         protected void authenticateUser() {
 433                 Configuration conf = (Configuration) GWT.create(Configuration.class);
 434
 435 //        Window.Location.assign(GWT.getModuleBaseURL() + conf.loginUrl() + "?next=" + Window.Location.getHref());
 436         Cookies.setCookie(conf.authCookie(), "test" + conf.cookieSeparator() + "0000");
 437         Window.Location.assign(GWT.getModuleBaseURL() + "Pithos.html");
 438         }
 439
 440     private void fetchAccount() {
 441         String path = getApiPath() + username + "?format=json";
 442
 443         GetRequest<AccountResource> getAccount = new GetRequest<AccountResource>(AccountResource.class, path) {
 444             @Override
 445             public void onSuccess(AccountResource result) {
 446                 account = result;
 447                 statusPanel.displayStats(account);
 448                 folderTreeViewModel.initialize(account);
 449                 inner.selectTab(0);
 450             }
 451
 452             @Override
 453             public void onError(Throwable t) {
 454                 GWT.log("Error getting account", t);
 455                 if (t instanceof RestException)
 456                     Pithos.get().displayError("Error getting account: " + ((RestException) t).getHttpStatusText());
 457                 else
 458                     Pithos.get().displayError("System error fetching user data: " + t.getMessage());
 459             }
 460         };
 461         getAccount.setHeader("X-Auth-Token", token);
 462         Scheduler.get().scheduleDeferred(getAccount);
 463     }
 464
 465         /**
 466          * Clear the cookie and redirect the user to the logout page.
 467          */
 468         void logout() {
 469                 Configuration conf = (Configuration) GWT.create(Configuration.class);
 470                 String cookie = conf.authCookie();
 471                 String domain = Window.Location.getHostName();
 472                 String path = Window.Location.getPath();
 473                 Cookies.setCookie(cookie, "", null, domain, path, false);
 474         String baseUrl = GWT.getModuleBaseURL();
 475         String homeUrl = baseUrl.substring(0, baseUrl.indexOf(path));
 476                 Window.Location.assign(homeUrl + conf.logoutUrl());
 477         }
 478
 479         /**
 480          * Creates an HTML fragment that places an image & caption together, for use
 481          * in a group header.
 482          *
 483          * @param imageProto an image prototype for an image
 484          * @param caption the group caption
 485          * @return the header HTML fragment
 486          */
 487         private String createHeaderHTML(AbstractImagePrototype imageProto, String caption) {
 488                 String captionHTML = "<table class='caption' cellpadding='0' "
 489                 + "cellspacing='0'>" + "<tr><td class='lcaption'>" + imageProto.getHTML()
 490                 + "</td><td id =" + caption +" class='rcaption'><b style='white-space:nowrap'>&nbsp;"
 491                 + caption + "</b></td></tr></table>";
 492                 return captionHTML;
 493         }
 494
 495         private void onWindowResized(int height) {
 496                 // Adjust the split panel to take up the available room in the window.
 497                 int newHeight = height - splitPanel.getAbsoluteTop() - 44;
 498                 if (newHeight < 1)
 499                         newHeight = 1;
 500                 splitPanel.setHeight("" + newHeight);
 501                 inner.setHeight("" + newHeight);
 502         }
 503
 504         @Override
 505         public void onResize(ResizeEvent event) {
 506                 int height = event.getHeight();
 507                 onWindowResized(height);
 508         }
 509
 510         public boolean isFileListShowing() {
 511                 int tab = inner.getTabBar().getSelectedTab();
 512                 if (tab == 0)
 513                         return true;
 514                 return false;
 515         }
 516
 517         public boolean isSearchResultsShowing() {
 518                 int tab = inner.getTabBar().getSelectedTab();
 519                 if (tab == 2)
 520                         return true;
 521                 return false;
 522         }
 523
 524         /**
 525          * Make the file list visible.
 526          *
 527          * @param update
 528          */
 529         public void showFileList(boolean update) {
 530                 if(update){
 531                         getTreeView().refreshCurrentNode(true);
 532                 }
 533                 else{
 534                         RestResource currentFolder = getTreeView().getSelection();
 535                         if(currentFolder!=null){
 536                                 showFileList(currentFolder);
 537                 }
 538                 }
 539
 540         }
 541
 542         public void showFileList(RestResource r) {
 543                 showFileList(r,true);
 544         }
 545
 546         public void showFileList(RestResource r, boolean clearSelection) {
 547                 RestResource currentFolder = r;
 548                 if(currentFolder!=null){
 549                         List<FileResource> files = null;
 550                         if (currentFolder instanceof RestResourceWrapper) {
 551                                 RestResourceWrapper folder = (RestResourceWrapper) currentFolder;
 552                                 files = folder.getResource().getFiles();
 553                         }
 554                 }
 555                 inner.selectTab(0);
 556         }
 557
 558         /**
 559          * Display the 'loading' indicator.
 560          */
 561         public void showLoadingIndicator(String message, String path) {
 562                 if(path!=null){
 563                         String[] split = path.split("/");
 564                         message = message +" "+URL.decode(split[split.length-1]);
 565                 }
 566                 topPanel.getLoading().show(message);
 567         }
 568
 569         /**
 570          * Hide the 'loading' indicator.
 571          */
 572         public void hideLoadingIndicator() {
 573                 topPanel.getLoading().hide();
 574         }
 575
 576         /**
 577          * A native JavaScript method to reach out to the browser's window and
 578          * invoke its resizeTo() method.
 579          *
 580          * @param x the new width
 581          * @param y the new height
 582          */
 583         public static native void resizeTo(int x, int y) /*-{
 584                 $wnd.resizeTo(x,y);
 585         }-*/;
 586
 587         /**
 588          * A helper method that returns true if the user's list is currently visible
 589          * and false if it is hidden.
 590          *
 591          * @return true if the user list is visible
 592          */
 593         public boolean isUserListVisible() {
 594                 return inner.getTabBar().getSelectedTab() == 1;
 595         }
 596
 597         /**
 598          * Display an error message.
 599          *
 600          * @param msg the message to display
 601          */
 602         public void displayError(String msg) {
 603                 messagePanel.displayError(msg);
 604         }
 605
 606         /**
 607          * Display a warning message.
 608          *
 609          * @param msg the message to display
 610          */
 611         public void displayWarning(String msg) {
 612                 messagePanel.displayWarning(msg);
 613         }
 614
 615         /**
 616          * Display an informational message.
 617          *
 618          * @param msg the message to display
 619          */
 620         public void displayInformation(String msg) {
 621                 messagePanel.displayInformation(msg);
 622         }
 623
 624         /**
 625          * Retrieve the folders.
 626          *
 627          * @return the folders
 628
 629         public Folders getFolders() {
 630                 return folders;
 631         }*/
 632
 633         /**
 634          * Retrieve the currentSelection.
 635          *
 636          * @return the currentSelection
 637          */
 638         public Object getCurrentSelection() {
 639                 return currentSelection;
 640         }
 641
 642         /**
 643          * Modify the currentSelection.
 644          *
 645          * @param newCurrentSelection the currentSelection to set
 646          */
 647         public void setCurrentSelection(Object newCurrentSelection) {
 648                 currentSelection = newCurrentSelection;
 649         }
 650
 651         /**
 652          * Retrieve the fileList.
 653          *
 654          * @return the fileList
 655          */
 656         public FileList getFileList() {
 657                 return fileList;
 658         }
 659
 660         /**
 661          * Retrieve the topPanel.
 662          *
 663          * @return the topPanel
 664          */
 665         TopPanel getTopPanel() {
 666                 return topPanel;
 667         }
 668
 669         /**
 670          * Retrieve the clipboard.
 671          *
 672          * @return the clipboard
 673          */
 674         public Clipboard getClipboard() {
 675                 return clipboard;
 676         }
 677
 678         public StatusPanel getStatusPanel() {
 679                 return statusPanel;
 680         }
 681
 682         /**
 683          * Retrieve the userDetailsPanel.
 684          *
 685          * @return the userDetailsPanel
 686          */
 687         public UserDetailsPanel getUserDetailsPanel() {
 688                 return userDetailsPanel;
 689         }
 690
 691
 692
 693         public String getToken() {
 694                 return token;
 695         }
 696
 697         public String getWebDAVPassword() {
 698                 return webDAVPassword;
 699         }
 700
 701         /**
 702          * Retrieve the currentUserResource.
 703          *
 704          * @return the currentUserResource
 705          */
 706         public UserResource getCurrentUserResource() {
 707                 return currentUserResource;
 708         }
 709
 710         /**
 711          * Modify the currentUserResource.
 712          *
 713          * @param newUser the new currentUserResource
 714          */
 715         public void setCurrentUserResource(UserResource newUser) {
 716                 currentUserResource = newUser;
 717         }
 718
 719         public static native void preventIESelection() /*-{
 720                 $doc.body.onselectstart = function () { return false; };
 721         }-*/;
 722
 723         public static native void enableIESelection() /*-{
 724                 if ($doc.body.onselectstart != null)
 725                 $doc.body.onselectstart = null;
 726         }-*/;
 727
 728         /**
 729          * @return the absolute path of the API root URL
 730          */
 731         public String getApiPath() {
 732                 Configuration conf = (Configuration) GWT.create(Configuration.class);
 733                 return conf.apiPath();
 734         }
 735
 736         /**
 737          * Convert server date to local time according to browser timezone
 738          * and format it according to localized pattern.
 739          * Time is always formatted to 24hr format.
 740          * NB: This assumes that server runs in UTC timezone. Otherwise
 741          * we would need to adjust for server time offset as well.
 742          *
 743          * @param date
 744          * @return String
 745          */
 746         public static String formatLocalDateTime(Date date) {
 747                 Date convertedDate = new Date(date.getTime() - date.getTimezoneOffset());
 748                 final DateTimeFormat dateFormatter = DateTimeFormat.getShortDateFormat();
 749                 final DateTimeFormat timeFormatter = DateTimeFormat.getFormat("HH:mm");
 750                 String datePart = dateFormatter.format(convertedDate);
 751                 String timePart = timeFormatter.format(convertedDate);
 752                 return datePart + " " + timePart;
 753         }
 754
 755         /**
 756          * History support for folder navigation
 757          * adds a new browser history entry
 758          *
 759          * @param key
 760          */
 761         public void updateHistory(String key){
 762 //              Replace any whitespace of the initial string to "+"
 763 //              String result = key.replaceAll("\\s","+");
 764 //              Add a new browser history entry.
 765 //              History.newItem(result);
 766                 History.newItem(key);
 767         }
 768
 769         /**
 770          * This method examines the token input and add a "/" at the end in case it's omitted.
 771          * This happens only in Files/trash/, Files/shared/, Files/others.
 772          *
 773          * @param tokenInput
 774          * @return the formated token with a "/" at the end or the same tokenInput parameter
 775          */
 776
 777         private String handleSpecialFolderNames(String tokenInput){
 778                 List<String> pathsToCheck = Arrays.asList("Files/trash", "Files/shared", "Files/others");
 779                 if(pathsToCheck.contains(tokenInput))
 780                         return tokenInput + "/";
 781                 return tokenInput;
 782
 783         }
 784
 785         /**
 786          * Reject illegal resource names, like '.' or '..' or slashes '/'.
 787          */
 788         static boolean isValidResourceName(String name) {
 789                 if (".".equals(name) || "..".equals(name) || name.contains("/"))
 790                         return false;
 791                 return true;
 792         }
 793
 794         public void putUserToMap(String _userName, String _userFullName){
 795                 userFullNameMap.put(_userName, _userFullName);
 796         }
 797
 798         public String findUserFullName(String _userName){
 799                 return userFullNameMap.get(_userName);
 800         }
 801         public String getUserFullName(String _userName) {
 802
 803         if (Pithos.get().findUserFullName(_userName) == null)
 804                 //if there is no userFullName found then the map fills with the given _userName,
 805                 //so userFullName = _userName
 806                 Pithos.get().putUserToMap(_userName, _userName);
 807         else if(Pithos.get().findUserFullName(_userName).indexOf('@') != -1){
 808                 //if the userFullName = _userName the GetUserCommand updates the userFullName in the map
 809                 GetUserCommand guc = new GetUserCommand(_userName);
 810                 guc.execute();
 811         }
 812         return Pithos.get().findUserFullName(_userName);
 813         }
 814         /**
 815          * Retrieve the treeView.
 816          *
 817          * @return the treeView
 818          */
 819         public CellTreeView getTreeView() {
 820                 return treeView;
 821         }
 822
 823         public void onResourceUpdate(RestResource resource,boolean clearSelection){
 824                 if(resource instanceof RestResourceWrapper || resource instanceof OtherUserResource || resource instanceof TrashResource || resource instanceof SharedResource){
 825                         if(getTreeView().getSelection()!=null&&getTreeView().getSelection().getUri().equals(resource.getUri()))
 826                                 showFileList(resource,clearSelection);
 827                 }
 828
 829         }
 830
 831     public void deleteFolder(final Folder folder) {
 832         String path = getApiPath() + getUsername() + "/" + folder.getContainer() + "?format=json&delimiter=/&prefix=" + folder.getPrefix();
 833         RequestBuilder builder = new RequestBuilder(RequestBuilder.GET, path);
 834         builder.setHeader("If-Modified-Since", "0");
 835         builder.setHeader("X-Auth-Token", getToken());
 836         try {
 837             builder.sendRequest("", new RequestCallback() {
 838                 @Override
 839                 public void onResponseReceived(Request request, Response response) {
 840                     if (response.getStatusCode() == Response.SC_OK) {
 841                         JSONValue json = JSONParser.parseStrict(response.getText());
 842                         JSONArray array = json.isArray();
 843                         int i = 0;
 844                         if (array != null) {
 845                             deleteObject(folder, i, array);
 846                         }
 847                     }
 848                 }
 849
 850                 @Override
 851                 public void onError(Request request, Throwable exception) {
 852                     Pithos.get().displayError("System error unable to delete folder: " + exception.getMessage());
 853                 }
 854             });
 855         }
 856         catch (RequestException e) {
 857         }
 858     }
 859
 860     public void deleteObject(final Folder folder, final int i, final JSONArray array) {
 861         if (i < array.size()) {
 862             JSONObject o = array.get(i).isObject();
 863             if (o != null && !o.containsKey("subdir")) {
 864                 JSONString name = o.get("name").isString();
 865                 String path = getApiPath() + getUsername() + "/" + folder.getContainer() + "/" + name.stringValue();
 866                 DeleteRequest delete = new DeleteRequest(path) {
 867                     @Override
 868                     public void onSuccess(Resource result) {
 869                         deleteObject(folder, i + 1, array);
 870                     }
 871
 872                     @Override
 873                     public void onError(Throwable t) {
 874                         GWT.log("", t);
 875                         Pithos.get().displayError("System error unable to delete folder: " + t.getMessage());
 876                     }
 877                 };
 878                 delete.setHeader("X-Auth-Token", getToken());
 879                 Scheduler.get().scheduleDeferred(delete);
 880             }
 881             else {
 882                 String subdir = o.get("subdir").isString().stringValue();
 883                 subdir = subdir.substring(0, subdir.length() - 1);
 884                 String path = getApiPath() + getUsername() + "/" + folder.getContainer() + "?format=json&delimiter=/&prefix=" + subdir;
 885                 RequestBuilder builder = new RequestBuilder(RequestBuilder.GET, path);
 886                 builder.setHeader("If-Modified-Since", "0");
 887                 builder.setHeader("X-Auth-Token", getToken());
 888                 try {
 889                     builder.sendRequest("", new RequestCallback() {
 890                         @Override
 891                         public void onResponseReceived(Request request, Response response) {
 892                             if (response.getStatusCode() == Response.SC_OK) {
 893                                 JSONValue json = JSONParser.parseStrict(response.getText());
 894                                 JSONArray array2 = json.isArray();
 895                                 if (array2 != null) {
 896                                     int l = array.size();
 897                                     for (int j=0; j<array2.size(); j++) {
 898                                         array.set(l++, array2.get(j));
 899                                     }
 900                                 }
 901                                 deleteObject(folder, i + 1, array);
 902                             }
 903                         }
 904
 905                         @Override
 906                         public void onError(Request request, Throwable exception) {
 907                             Pithos.get().displayError("System error unable to delete folder: " + exception.getMessage());
 908                         }
 909                     });
 910                 }
 911                 catch (RequestException e) {
 912                 }
 913             }
 914         }
 915         else {
 916             String prefix = folder.getPrefix();
 917             String path = getApiPath() + getUsername() + "/" + folder.getContainer() + (prefix.length() == 0 ? "" : "/" + prefix);
 918             DeleteRequest deleteFolder = new DeleteRequest(path) {
 919                 @Override
 920                 public void onSuccess(Resource result) {
 921                     updateFolder(folder.getParent());
 922                 }
 923
 924                 @Override
 925                 public void onError(Throwable t) {
 926                     GWT.log("", t);
 927                     if (t instanceof RestException) {
 928                         displayError("Unable to delete folder: "+((RestException) t).getHttpStatusText());
 929                     }
 930                     else
 931                         Pithos.get().displayError("System error unable to delete folder: " + t.getMessage());
 932                 }
 933             };
 934             deleteFolder.setHeader("X-Auth-Token", getToken());
 935             Scheduler.get().scheduleDeferred(deleteFolder);
 936         }
 937     }
 938
 939     public FolderTreeView getFolderTreeView() {
 940         return folderTreeView;
 941     }
 942
 943     public void copyFiles(final Iterator<File> iter, final String targetUri, final Command callback) {
 944         if (iter.hasNext()) {
 945             File file = iter.next();
 946             String path = getApiPath() + getUsername() + targetUri + "/" + file.getName();
 947             PutRequest copyFile = new PutRequest(path) {
 948                 @Override
 949                 public void onSuccess(Resource result) {
 950                     copyFiles(iter, targetUri, callback);
 951                 }
 952
 953                 @Override
 954                 public void onError(Throwable t) {
 955                     GWT.log("", t);
 956                     if (t instanceof RestException) {
 957                         Pithos.get().displayError("Unable to copy file: " + ((RestException) t).getHttpStatusText());
 958                     }
 959                     else
 960                         Pithos.get().displayError("System error unable to copy file: "+t.getMessage());
 961                 }
 962             };
 963             copyFile.setHeader("X-Auth-Token", getToken());
 964             copyFile.setHeader("X-Copy-From", file.getUri());
 965             Scheduler.get().scheduleDeferred(copyFile);
 966         }
 967         else  if (callback != null) {
 968             callback.execute();
 969         }
 970     }
 971
 972     public void copySubfolders(final Iterator<Folder> iter, final String targetUri, final Command callback) {
 973         if (iter.hasNext()) {
 974             final Folder f = iter.next();
 975             copyFolder(f, targetUri, callback);
 976         }
 977         else  if (callback != null) {
 978             callback.execute();
 979         }
 980     }
 981
 982     public void copyFolder(final Folder f, final String targetUri, final Command callback) {
 983         String path = getApiPath() + getUsername() + targetUri + "/" + f.getName();
 984         PutRequest createFolder = new PutRequest(path) {
 985             @Override
 986             public void onSuccess(Resource result) {
 987                 Iterator<File> iter = f.getFiles().iterator();
 988                 copyFiles(iter, targetUri + "/" + f.getName(), new Command() {
 989                     @Override
 990                     public void execute() {
 991                         Iterator<Folder> iterf = f.getSubfolders().iterator();
 992                         copySubfolders(iterf, targetUri + "/" + f.getName(), new Command() {
 993                             @Override
 994                             public void execute() {
 995                                 callback.execute();
 996                             }
 997                         });
 998                     }
 999                 });
1000             }
1001
1002             @Override
1003             public void onError(Throwable t) {
1004                 GWT.log("", t);
1005                 if (t instanceof RestException) {
1006                     displayError("Unable to create folder:" + ((RestException) t).getHttpStatusText());
1007                 }
1008                 else
1009                     displayError("System error creating folder:" + t.getMessage());
1010             }
1011         };
1012         createFolder.setHeader("X-Auth-Token", getToken());
1013         createFolder.setHeader("Accept", "*/*");
1014         createFolder.setHeader("Content-Length", "0");
1015         createFolder.setHeader("Content-Type", "application/folder");
1016         Scheduler.get().scheduleDeferred(createFolder);
1017     }
1018 }