code.grnet.gr Git - pithos/blob - src/gr/ebs/gss/client/GSS.java

   1 /*
   2  * Copyright 2007, 2008, 2009, 2010 Electronic Business Systems Ltd.
   3  *
   4  * This file is part of GSS.
   5  *
   6  * GSS is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation, either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * GSS is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with GSS.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19 package gr.ebs.gss.client;
  20
  21 import gr.ebs.gss.client.clipboard.Clipboard;
  22 import gr.ebs.gss.client.dnd.DnDFocusPanel;
  23 import gr.ebs.gss.client.dnd.DnDSimpleFocusPanel;
  24 import gr.ebs.gss.client.rest.GetCommand;
  25 import gr.ebs.gss.client.rest.RestException;
  26 import gr.ebs.gss.client.rest.resource.FileResource;
  27 import gr.ebs.gss.client.rest.resource.FolderResource;
  28 import gr.ebs.gss.client.rest.resource.TrashResource;
  29 import gr.ebs.gss.client.rest.resource.UserResource;
  30
  31 import java.util.Arrays;
  32 import java.util.Iterator;
  33 import java.util.List;
  34
  35 import com.allen_sauer.gwt.dnd.client.DragContext;
  36 import com.allen_sauer.gwt.dnd.client.PickupDragController;
  37 import com.allen_sauer.gwt.dnd.client.VetoDragException;
  38 import com.google.gwt.core.client.EntryPoint;
  39 import com.google.gwt.core.client.GWT;
  40 import com.google.gwt.event.logical.shared.ResizeEvent;
  41 import com.google.gwt.event.logical.shared.ResizeHandler;
  42 import com.google.gwt.event.logical.shared.SelectionEvent;
  43 import com.google.gwt.event.logical.shared.SelectionHandler;
  44 import com.google.gwt.event.logical.shared.ValueChangeEvent;
  45 import com.google.gwt.event.logical.shared.ValueChangeHandler;
  46 import com.google.gwt.resources.client.ClientBundle;
  47 import com.google.gwt.resources.client.ImageResource;
  48 import com.google.gwt.user.client.Command;
  49 import com.google.gwt.user.client.Cookies;
  50 import com.google.gwt.user.client.DOM;
  51 import com.google.gwt.user.client.DeferredCommand;
  52 import com.google.gwt.user.client.History;
  53 import com.google.gwt.user.client.Window;
  54 import com.google.gwt.user.client.ui.AbsolutePanel;
  55 import com.google.gwt.user.client.ui.AbstractImagePrototype;
  56 import com.google.gwt.user.client.ui.DecoratedTabPanel;
  57 import com.google.gwt.user.client.ui.DockPanel;
  58 import com.google.gwt.user.client.ui.HTML;
  59 import com.google.gwt.user.client.ui.HasHorizontalAlignment;
  60 import com.google.gwt.user.client.ui.HasVerticalAlignment;
  61 import com.google.gwt.user.client.ui.HorizontalSplitPanel;
  62 import com.google.gwt.user.client.ui.Label;
  63 import com.google.gwt.user.client.ui.RootPanel;
  64 import com.google.gwt.user.client.ui.TabPanel;
  65 import com.google.gwt.user.client.ui.TreeItem;
  66 import com.google.gwt.user.client.ui.VerticalPanel;
  67 import com.google.gwt.user.client.ui.Widget;
  68
  69 /**
  70  * Entry point classes define <code>onModuleLoad()</code>.
  71  */
  72 public class GSS implements EntryPoint, ResizeHandler {
  73
  74         /**
  75          * A constant that denotes the completion of an IncrementalCommand.
  76          */
  77         public static final boolean DONE = false;
  78
  79         public static final int VISIBLE_FILE_COUNT = 100;
  80
  81         /**
  82          * Instantiate an application-level image bundle. This object will provide
  83          * programmatic access to all the images needed by widgets.
  84          */
  85         private static Images images = (Images) GWT.create(Images.class);
  86
  87         private GlassPanel glassPanel = new GlassPanel();
  88
  89         /**
  90          * An aggregate image bundle that pulls together all the images for this
  91          * application into a single bundle.
  92          */
  93         public interface Images extends ClientBundle, TopPanel.Images, StatusPanel.Images, FileMenu.Images, EditMenu.Images, SettingsMenu.Images, GroupMenu.Images, FilePropertiesDialog.Images, MessagePanel.Images, FileList.Images, SearchResults.Images, Search.Images, Groups.Images, Folders.Images {
  94
  95                 @Source("gr/ebs/gss/resources/document.png")
  96                 ImageResource folders();
  97
  98                 @Source("gr/ebs/gss/resources/edit_group_22.png")
  99                 ImageResource groups();
 100
 101                 @Source("gr/ebs/gss/resources/search.png")
 102                 ImageResource search();
 103         }
 104
 105         /**
 106          * The single GSS instance.
 107          */
 108         private static GSS singleton;
 109
 110         /**
 111          * Gets the singleton GSS instance.
 112          *
 113          * @return the GSS object
 114          */
 115         public static GSS get() {
 116                 if (GSS.singleton == null)
 117                         GSS.singleton = new GSS();
 118                 return GSS.singleton;
 119         }
 120
 121         /**
 122          * The Application Clipboard implementation;
 123          */
 124         private Clipboard clipboard = new Clipboard();
 125
 126         private UserResource currentUserResource;
 127
 128         /**
 129          * The top panel that contains the menu bar.
 130          */
 131         private TopPanel topPanel;
 132
 133         /**
 134          * The panel that contains the various system messages.
 135          */
 136         private MessagePanel messagePanel = new MessagePanel(GSS.images);
 137
 138         /**
 139          * The bottom panel that contains the status bar.
 140          */
 141         private StatusPanel statusPanel = new StatusPanel(GSS.images);
 142
 143         /**
 144          * The top right panel that displays the logged in user details
 145          */
 146         private UserDetailsPanel userDetailsPanel = new UserDetailsPanel();
 147
 148         /**
 149          * The file list widget.
 150          */
 151         private FileList fileList;
 152
 153         /**
 154          * The group list widget.
 155          */
 156         private Groups groups = new Groups(images);
 157
 158         /**
 159          * The search result widget.
 160          */
 161         private SearchResults searchResults;
 162
 163         /**
 164          * The tab panel that occupies the right side of the screen.
 165          */
 166         private TabPanel inner = new DecoratedTabPanel();
 167
 168         /**
 169          * The split panel that will contain the left and right panels.
 170          */
 171         private HorizontalSplitPanel splitPanel = new HorizontalSplitPanel();
 172
 173         /**
 174          * The horizontal panel that will contain the search and status panels.
 175          */
 176         private DockPanel searchStatus = new DockPanel();
 177
 178         /**
 179          * The search widget.
 180          */
 181         private Search search;
 182
 183         /**
 184          * The widget that displays the tree of folders.
 185          */
 186         private Folders folders = new Folders(images);
 187
 188         /**
 189          * The currently selected item in the application, for use by the Edit menu
 190          * commands. Potential types are Folder, File, User and Group.
 191          */
 192         private Object currentSelection;
 193
 194         /**
 195          * The authentication token of the current user.
 196          */
 197         private String token;
 198
 199         /**
 200          * The WebDAV password of the current user
 201          */
 202         private String webDAVPassword;
 203
 204         private PickupDragController dragController;
 205
 206         public void onModuleLoad() {
 207                 // Initialize the singleton before calling the constructors of the
 208                 // various widgets that might call GSS.get().
 209                 singleton = this;
 210                 RootPanel.get().add(glassPanel, 0, 0);
 211                 parseUserCredentials();
 212                 dragController = new PickupDragController(RootPanel.get(), false) {
 213
 214                         @Override
 215                         public void previewDragStart() throws VetoDragException {
 216                                 super.previewDragStart();
 217                                 if (context.selectedWidgets.isEmpty())
 218                                         throw new VetoDragException();
 219
 220                                 if (context.draggable != null)
 221                                         if (context.draggable instanceof DnDFocusPanel) {
 222                                                 DnDFocusPanel toDrop = (DnDFocusPanel) context.draggable;
 223                                                 // prevent drag and drop for trashed files and for
 224                                                 // unselected tree items
 225                                                 if (toDrop.getFiles() != null && folders.isTrashItem(folders.getCurrent()))
 226                                                         throw new VetoDragException();
 227                                                 else if (toDrop.getItem() != null && !toDrop.getItem().equals(folders.getCurrent()))
 228                                                         throw new VetoDragException();
 229                                                 else if (toDrop.getItem() != null && !toDrop.getItem().isDraggable())
 230                                                         throw new VetoDragException();
 231
 232                                         } else if (context.draggable instanceof DnDSimpleFocusPanel) {
 233                                                 DnDSimpleFocusPanel toDrop = (DnDSimpleFocusPanel) context.draggable;
 234                                                 // prevent drag and drop for trashed files and for
 235                                                 // unselected tree items
 236                                                 if (toDrop.getFiles() != null && folders.isTrashItem(folders.getCurrent()))
 237                                                         throw new VetoDragException();
 238                                         }
 239                         }
 240
 241                         @Override
 242                         protected Widget newDragProxy(DragContext aContext) {
 243                                 AbsolutePanel container = new AbsolutePanel();
 244                                 DOM.setStyleAttribute(container.getElement(), "overflow", "visible");
 245                                 for (Iterator iterator = aContext.selectedWidgets.iterator(); iterator.hasNext();) {
 246                                         HTML html = null;
 247                                         Widget widget = (Widget) iterator.next();
 248                                         if (widget instanceof DnDFocusPanel) {
 249                                                 DnDFocusPanel book = (DnDFocusPanel) widget;
 250                                                 html = book.cloneHTML();
 251                                         } else if (widget instanceof DnDSimpleFocusPanel) {
 252                                                 DnDSimpleFocusPanel book = (DnDSimpleFocusPanel) widget;
 253                                                 html = book.cloneHTML();
 254                                         }
 255                                         if (html == null)
 256                                                 container.add(new Label("Drag ME"));
 257                                         else
 258                                                 container.add(html);
 259                                 }
 260                                 return container;
 261                         }
 262                 };
 263                 dragController.setBehaviorDragProxy(true);
 264                 dragController.setBehaviorMultipleSelection(false);
 265                 topPanel = new TopPanel(GSS.images);
 266                 topPanel.setWidth("100%");
 267
 268                 messagePanel.setWidth("100%");
 269                 messagePanel.setVisible(false);
 270
 271                 search = new Search(images);
 272                 searchStatus.add(search, DockPanel.WEST);
 273                 searchStatus.add(userDetailsPanel, DockPanel.EAST);
 274                 searchStatus.setCellHorizontalAlignment(userDetailsPanel, HasHorizontalAlignment.ALIGN_RIGHT);
 275                 searchStatus.setCellVerticalAlignment(search, HasVerticalAlignment.ALIGN_MIDDLE);
 276                 searchStatus.setCellVerticalAlignment(userDetailsPanel, HasVerticalAlignment.ALIGN_MIDDLE);
 277                 searchStatus.setWidth("100%");
 278
 279                 fileList = new FileList(images);
 280
 281                 searchResults = new SearchResults(images);
 282
 283                 // Inner contains the various lists.
 284                 inner.setAnimationEnabled(true);
 285                 inner.getTabBar().addStyleName("gss-MainTabBar");
 286                 inner.getDeckPanel().addStyleName("gss-MainTabPanelBottom");
 287                 inner.add(fileList, createHeaderHTML(AbstractImagePrototype.create(images.folders()), "Files"), true);
 288
 289                 inner.add(groups, createHeaderHTML(AbstractImagePrototype.create(images.groups()), "Groups"), true);
 290                 inner.add(searchResults, createHeaderHTML(AbstractImagePrototype.create(images.search()), "Search Results"), true);
 291                 inner.setWidth("100%");
 292                 inner.selectTab(0);
 293
 294                 inner.addSelectionHandler(new SelectionHandler<Integer>() {
 295
 296                         @Override
 297                         public void onSelection(SelectionEvent<Integer> event) {
 298                                 int tabIndex = event.getSelectedItem();
 299 //                              TreeItem treeItem = GSS.get().getFolders().getCurrent();
 300                                 switch (tabIndex) {
 301                                         case 0:
 302 //                                              Files tab selected
 303                                                 fileList.clearSelectedRows();
 304                                                 fileList.updateCurrentlyShowingStats();
 305                                                 break;
 306                                         case 1:
 307 //                                              Groups tab selected
 308                                                 groups.updateCurrentlyShowingStats();
 309                                         updateHistory("Groups");
 310                                                 break;
 311                                         case 2:
 312 //                                              Search tab selected
 313                                                 searchResults.clearSelectedRows();
 314                                                 searchResults.updateCurrentlyShowingStats();
 315                                         updateHistory("Search");
 316                                                 break;
 317                                 }
 318                         }
 319                 });
 320 //              If the application starts with no history token, redirect to a new "Files" state
 321                 String initToken = History.getToken();
 322                 if(initToken.length() == 0)
 323                         History.newItem("Files");
 324
 325
 326 //                 Add history listener to handle any history events
 327                    History.addValueChangeHandler(new ValueChangeHandler<String>() {
 328                               public void onValueChange(ValueChangeEvent<String> event) {
 329                                 String tokenInput = event.getValue();
 330                                 String historyToken = handleSpecialFolderNames(tokenInput);
 331                                 try {
 332                                         if(historyToken.equals("Search"))
 333                                                 inner.selectTab(2);
 334                                         else if(historyToken.equals("Groups"))
 335                                                 inner.selectTab(1);
 336                                         else if(historyToken.equals("Files")|| historyToken.length()==0)
 337                                                 inner.selectTab(0);
 338                                                 else {
 339                                                         PopupTree popupTree = GSS.get().getFolders().getPopupTree();
 340                                                         TreeItem treeObj = GSS.get().getFolders().getPopupTree().getTreeItem(historyToken);
 341                                                         SelectionEvent.fire(popupTree, treeObj);
 342                                                 }
 343                                                 } catch (IndexOutOfBoundsException e) {
 344                                                 inner.selectTab(0);
 345                                                 }
 346                                         }
 347                               });
 348
 349                 // Add the left and right panels to the split panel.
 350                 splitPanel.setLeftWidget(folders);
 351                 splitPanel.setRightWidget(inner);
 352                 splitPanel.setSplitPosition("25%");
 353                 splitPanel.setSize("100%", "100%");
 354                 splitPanel.addStyleName("gss-splitPanel");
 355
 356                 // Create a dock panel that will contain the menu bar at the top,
 357                 // the shortcuts to the left, the status bar at the bottom and the
 358                 // right panel taking the rest.
 359                 VerticalPanel outer = new VerticalPanel();
 360                 outer.add(topPanel);
 361                 outer.add(searchStatus);
 362                 outer.add(messagePanel);
 363                 outer.add(splitPanel);
 364                 outer.add(statusPanel);
 365                 outer.setWidth("100%");
 366                 outer.setCellHorizontalAlignment(messagePanel, HasHorizontalAlignment.ALIGN_CENTER);
 367
 368                 outer.setSpacing(4);
 369
 370                 // Hook the window resize event, so that we can adjust the UI.
 371                 Window.addResizeHandler(this);
 372                 // Clear out the window's built-in margin, because we want to take
 373                 // advantage of the entire client area.
 374                 Window.setMargin("0px");
 375                 // Finally, add the outer panel to the RootPanel, so that it will be
 376                 // displayed.
 377                 RootPanel.get().add(outer);
 378                 // Call the window resized handler to get the initial sizes setup. Doing
 379                 // this in a deferred command causes it to occur after all widgets'
 380                 // sizes have been computed by the browser.
 381                 DeferredCommand.addCommand(new Command() {
 382
 383                         public void execute() {
 384                                 onWindowResized(Window.getClientHeight());
 385                         }
 386                 });
 387         }
 388
 389         /**
 390          * Fetches the User object for the specified username.
 391          *
 392          * @param username the username of the user
 393          */
 394         private void fetchUser(final String username) {
 395                 String path = getApiPath() + username + "/";
 396                 GetCommand<UserResource> getUserCommand = new GetCommand<UserResource>(UserResource.class, username, path, null) {
 397
 398                         @Override
 399                         public void onComplete() {
 400                                 currentUserResource = getResult();
 401                                 final String announcement = currentUserResource.getAnnouncement();
 402                                 if (announcement != null)
 403                                         DeferredCommand.addCommand(new Command() {
 404
 405                                                 public void execute() {
 406                                                         displayInformation(announcement);
 407                                                 }
 408                                         });
 409                         }
 410
 411                         @Override
 412                         public void onError(Throwable t) {
 413                                 GWT.log("Fetching user error", t);
 414                                 if (t instanceof RestException)
 415                                         GSS.get().displayError("No user found:" + ((RestException) t).getHttpStatusText());
 416                                 else
 417                                         GSS.get().displayError("System error fetching user data:" + t.getMessage());
 418                                 authenticateUser();
 419                         }
 420                 };
 421                 DeferredCommand.addCommand(getUserCommand);
 422         }
 423
 424         /**
 425          * Parse and store the user credentials to the appropriate fields.
 426          */
 427         private void parseUserCredentials() {
 428                 Configuration conf = (Configuration) GWT.create(Configuration.class);
 429                 String cookie = conf.authCookie();
 430                 String auth = Cookies.getCookie(cookie);
 431                 if (auth == null) {
 432                         authenticateUser();
 433                         // Redundant, but silences warnings about possible auth NPE, below.
 434                         return;
 435                 }
 436                 int sepIndex = auth.indexOf(conf.cookieSeparator());
 437                 if (sepIndex == -1)
 438                         authenticateUser();
 439                 token = auth.substring(sepIndex + 1);
 440                 final String username = auth.substring(0, sepIndex);
 441                 if (username == null)
 442                         authenticateUser();
 443
 444                 refreshWebDAVPassword();
 445
 446                 DeferredCommand.addCommand(new Command() {
 447
 448                         public void execute() {
 449                                 fetchUser(username);
 450                         }
 451                 });
 452         }
 453
 454         /**
 455          * Redirect the user to the login page for authentication.
 456          */
 457         protected void authenticateUser() {
 458                 Configuration conf = (Configuration) GWT.create(Configuration.class);
 459                 Window.Location.assign(conf.loginUrl() + "?next=" + GWT.getModuleBaseURL());
 460         }
 461
 462         /**
 463          * Clear the cookie and redirect the user to the logout page.
 464          */
 465         void logout() {
 466                 Configuration conf = (Configuration) GWT.create(Configuration.class);
 467                 String cookie = conf.authCookie();
 468                 String domain = Window.Location.getHostName();
 469                 String path = Window.Location.getPath();
 470                 Cookies.setCookie(cookie, "", null, domain, path, false);
 471                 Window.Location.assign(conf.logoutUrl());
 472         }
 473
 474         /**
 475          * Creates an HTML fragment that places an image & caption together, for use
 476          * in a group header.
 477          *
 478          * @param imageProto an image prototype for an image
 479          * @param caption the group caption
 480          * @return the header HTML fragment
 481          */
 482         private String createHeaderHTML(AbstractImagePrototype imageProto, String caption) {
 483                 String captionHTML = "<table class='caption' cellpadding='0' " + "cellspacing='0'>" + "<tr><td class='lcaption'>" + imageProto.getHTML() + "</td><td class='rcaption'><b style='white-space:nowrap'>&nbsp;" + caption + "</b></td></tr></table>";
 484                 return captionHTML;
 485         }
 486
 487         private void onWindowResized(int height) {
 488                 // Adjust the split panel to take up the available room in the window.
 489                 int newHeight = height - splitPanel.getAbsoluteTop() - 44;
 490                 if (newHeight < 1)
 491                         newHeight = 1;
 492                 splitPanel.setHeight("" + newHeight);
 493         }
 494
 495         @Override
 496         public void onResize(ResizeEvent event) {
 497                 int height = event.getHeight();
 498                 onWindowResized(height);
 499         }
 500
 501         public boolean isFileListShowing() {
 502                 int tab = inner.getTabBar().getSelectedTab();
 503                 if (tab == 0)
 504                         return true;
 505                 return false;
 506         }
 507
 508         public boolean isSearchResultsShowing() {
 509                 int tab = inner.getTabBar().getSelectedTab();
 510                 if (tab == 2)
 511                         return true;
 512                 return false;
 513         }
 514
 515         /**
 516          * Make the user list visible.
 517          */
 518         public void showUserList() {
 519                 inner.selectTab(1);
 520         }
 521
 522         /**
 523          * Make the file list visible.
 524          */
 525         public void showFileList() {
 526                 fileList.updateFileCache(false, true /*clear selection*/);
 527                 inner.selectTab(0);
 528         }
 529
 530         /**
 531          * Make the file list visible.
 532          *
 533          * @param update
 534          */
 535         public void showFileList(boolean update) {
 536                 TreeItem currentFolder = getFolders().getCurrent();
 537                 if (currentFolder != null) {
 538                         List<FileResource> files = null;
 539                         Object cachedObject = currentFolder.getUserObject();
 540                         if (cachedObject instanceof FolderResource) {
 541                                 FolderResource folder = (FolderResource) cachedObject;
 542                                 files = folder.getFiles();
 543                         } else if (cachedObject instanceof TrashResource) {
 544                                 TrashResource folder = (TrashResource) cachedObject;
 545                                 files = folder.getFiles();
 546                         }
 547                         if (files != null)
 548                                 getFileList().setFiles(files);
 549                 }
 550                 fileList.updateFileCache(update, true /*clear selection*/);
 551                 inner.selectTab(0);
 552         }
 553
 554         /**
 555          * Make the search results visible.
 556          *
 557          * @param query the search query string
 558          */
 559         public void showSearchResults(String query) {
 560                 searchResults.updateFileCache(query);
 561                 searchResults.updateCurrentlyShowingStats();
 562                 inner.selectTab(2);
 563         }
 564
 565         /**
 566          * Display the 'loading' indicator.
 567          */
 568         public void showLoadingIndicator() {
 569                 topPanel.getLoading().setVisible(true);
 570         }
 571
 572         /**
 573          * Hide the 'loading' indicator.
 574          */
 575         public void hideLoadingIndicator() {
 576                 topPanel.getLoading().setVisible(false);
 577         }
 578
 579         /**
 580          * A native JavaScript method to reach out to the browser's window and
 581          * invoke its resizeTo() method.
 582          *
 583          * @param x the new width
 584          * @param y the new height
 585          */
 586         public static native void resizeTo(int x, int y) /*-{
 587                 $wnd.resizeTo(x,y);
 588         }-*/;
 589
 590         /**
 591          * A helper method that returns true if the user's list is currently visible
 592          * and false if it is hidden.
 593          *
 594          * @return true if the user list is visible
 595          */
 596         public boolean isUserListVisible() {
 597                 return inner.getTabBar().getSelectedTab() == 1;
 598         }
 599
 600         /**
 601          * Display an error message.
 602          *
 603          * @param msg the message to display
 604          */
 605         public void displayError(String msg) {
 606                 messagePanel.displayError(msg);
 607         }
 608
 609         /**
 610          * Display a warning message.
 611          *
 612          * @param msg the message to display
 613          */
 614         public void displayWarning(String msg) {
 615                 messagePanel.displayWarning(msg);
 616         }
 617
 618         /**
 619          * Display an informational message.
 620          *
 621          * @param msg the message to display
 622          */
 623         public void displayInformation(String msg) {
 624                 messagePanel.displayInformation(msg);
 625         }
 626
 627         /**
 628          * Retrieve the folders.
 629          *
 630          * @return the folders
 631          */
 632         public Folders getFolders() {
 633                 return folders;
 634         }
 635
 636         /**
 637          * Retrieve the search.
 638          *
 639          * @return the search
 640          */
 641         Search getSearch() {
 642                 return search;
 643         }
 644
 645         /**
 646          * Retrieve the currentSelection.
 647          *
 648          * @return the currentSelection
 649          */
 650         public Object getCurrentSelection() {
 651                 return currentSelection;
 652         }
 653
 654         /**
 655          * Modify the currentSelection.
 656          *
 657          * @param newCurrentSelection the currentSelection to set
 658          */
 659         public void setCurrentSelection(Object newCurrentSelection) {
 660                 currentSelection = newCurrentSelection;
 661         }
 662
 663         /**
 664          * Retrieve the groups.
 665          *
 666          * @return the groups
 667          */
 668         public Groups getGroups() {
 669                 return groups;
 670         }
 671
 672         /**
 673          * Retrieve the fileList.
 674          *
 675          * @return the fileList
 676          */
 677         public FileList getFileList() {
 678                 return fileList;
 679         }
 680
 681         public SearchResults getSearchResults() {
 682                 return searchResults;
 683         }
 684
 685         /**
 686          * Retrieve the topPanel.
 687          *
 688          * @return the topPanel
 689          */
 690         TopPanel getTopPanel() {
 691                 return topPanel;
 692         }
 693
 694         /**
 695          * Retrieve the clipboard.
 696          *
 697          * @return the clipboard
 698          */
 699         public Clipboard getClipboard() {
 700                 return clipboard;
 701         }
 702
 703         public StatusPanel getStatusPanel() {
 704                 return statusPanel;
 705         }
 706
 707         /**
 708          * Retrieve the userDetailsPanel.
 709          *
 710          * @return the userDetailsPanel
 711          */
 712         public UserDetailsPanel getUserDetailsPanel() {
 713                 return userDetailsPanel;
 714         }
 715
 716         /**
 717          * Retrieve the dragController.
 718          *
 719          * @return the dragController
 720          */
 721         public PickupDragController getDragController() {
 722                 return dragController;
 723         }
 724
 725         public String getToken() {
 726                 return token;
 727         }
 728
 729         public String getWebDAVPassword() {
 730                 return webDAVPassword;
 731         }
 732
 733         public void removeGlassPanel() {
 734                 glassPanel.removeFromParent();
 735         }
 736
 737         /**
 738          * Retrieve the currentUserResource.
 739          *
 740          * @return the currentUserResource
 741          */
 742         public UserResource getCurrentUserResource() {
 743                 return currentUserResource;
 744         }
 745
 746         /**
 747          * Modify the currentUserResource.
 748          *
 749          * @param newUser the new currentUserResource
 750          */
 751         public void setCurrentUserResource(UserResource newUser) {
 752                 currentUserResource = newUser;
 753         }
 754
 755         public static native void preventIESelection() /*-{
 756                 $doc.body.onselectstart = function () { return false; };
 757         }-*/;
 758
 759         public static native void enableIESelection() /*-{
 760                 if ($doc.body.onselectstart != null)
 761                 $doc.body.onselectstart = null;
 762         }-*/;
 763
 764         /**
 765          * @return the absolute path of the API root URL
 766          */
 767         public String getApiPath() {
 768                 Configuration conf = (Configuration) GWT.create(Configuration.class);
 769                 return GWT.getModuleBaseURL() + conf.apiPath();
 770         }
 771
 772         public void refreshWebDAVPassword() {
 773                 Configuration conf = (Configuration) GWT.create(Configuration.class);
 774                 String domain = Window.Location.getHostName();
 775                 String path = Window.Location.getPath();
 776                 String cookie = conf.webdavCookie();
 777                 webDAVPassword = Cookies.getCookie(cookie);
 778                 Cookies.setCookie(cookie, "", null, domain, path, false);
 779         }
 780
 781         /**
 782          * History support for folder navigation
 783          * adds a new browser history entry
 784          *
 785          * @param key
 786          */
 787         public void updateHistory(String key){
 788 //              Replace any whitespace of the initial string to "+"
 789 //              String result = key.replaceAll("\\s","+");
 790 //              Add a new browser history entry.
 791 //              History.newItem(result);
 792                 History.newItem(key);
 793         }
 794
 795         /**
 796          * This method examines the token input and add a "/" at the end in case it's omitted.
 797          * This happens only in Files/trash/, Files/shared/, Files/others.
 798          *
 799          * @param tokenInput
 800          * @return the formated token with a "/" at the end or the same tokenInput parameter
 801          */
 802
 803         public String handleSpecialFolderNames(String tokenInput){
 804                 List<String> pathsToCheck = Arrays.asList("Files/trash", "Files/shared", "Files/others");
 805                 if(pathsToCheck.contains(tokenInput))
 806                         return tokenInput + "/";
 807                 return tokenInput;
 808
 809         }
 810 }