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.HashMap;
  33 import java.util.Iterator;
  34 import java.util.List;
  35
  36 import com.allen_sauer.gwt.dnd.client.DragContext;
  37 import com.allen_sauer.gwt.dnd.client.PickupDragController;
  38 import com.allen_sauer.gwt.dnd.client.VetoDragException;
  39 import com.google.gwt.core.client.EntryPoint;
  40 import com.google.gwt.core.client.GWT;
  41 import com.google.gwt.event.logical.shared.ResizeEvent;
  42 import com.google.gwt.event.logical.shared.ResizeHandler;
  43 import com.google.gwt.event.logical.shared.SelectionEvent;
  44 import com.google.gwt.event.logical.shared.SelectionHandler;
  45 import com.google.gwt.event.logical.shared.ValueChangeEvent;
  46 import com.google.gwt.event.logical.shared.ValueChangeHandler;
  47 import com.google.gwt.resources.client.ClientBundle;
  48 import com.google.gwt.resources.client.ImageResource;
  49 import com.google.gwt.user.client.Command;
  50 import com.google.gwt.user.client.Cookies;
  51 import com.google.gwt.user.client.DOM;
  52 import com.google.gwt.user.client.DeferredCommand;
  53 import com.google.gwt.user.client.History;
  54 import com.google.gwt.user.client.Window;
  55 import com.google.gwt.user.client.ui.AbsolutePanel;
  56 import com.google.gwt.user.client.ui.AbstractImagePrototype;
  57 import com.google.gwt.user.client.ui.DecoratedTabPanel;
  58 import com.google.gwt.user.client.ui.DockPanel;
  59 import com.google.gwt.user.client.ui.HTML;
  60 import com.google.gwt.user.client.ui.HasHorizontalAlignment;
  61 import com.google.gwt.user.client.ui.HasVerticalAlignment;
  62 import com.google.gwt.user.client.ui.HorizontalSplitPanel;
  63 import com.google.gwt.user.client.ui.Label;
  64 import com.google.gwt.user.client.ui.RootPanel;
  65 import com.google.gwt.user.client.ui.TabPanel;
  66 import com.google.gwt.user.client.ui.TreeItem;
  67 import com.google.gwt.user.client.ui.VerticalPanel;
  68 import com.google.gwt.user.client.ui.Widget;
  69
  70 /**
  71  * Entry point classes define <code>onModuleLoad()</code>.
  72  */
  73 public class GSS implements EntryPoint, ResizeHandler {
  74
  75         /**
  76          * A constant that denotes the completion of an IncrementalCommand.
  77          */
  78         public static final boolean DONE = false;
  79
  80         public static final int VISIBLE_FILE_COUNT = 100;
  81
  82         /**
  83          * Instantiate an application-level image bundle. This object will provide
  84          * programmatic access to all the images needed by widgets.
  85          */
  86         private static Images images = (Images) GWT.create(Images.class);
  87
  88         private GlassPanel glassPanel = new GlassPanel();
  89
  90         /**
  91          * An aggregate image bundle that pulls together all the images for this
  92          * application into a single bundle.
  93          */
  94         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 {
  95
  96                 @Source("gr/ebs/gss/resources/document.png")
  97                 ImageResource folders();
  98
  99                 @Source("gr/ebs/gss/resources/edit_group_22.png")
 100                 ImageResource groups();
 101
 102                 @Source("gr/ebs/gss/resources/search.png")
 103                 ImageResource search();
 104         }
 105
 106         /**
 107          * The single GSS instance.
 108          */
 109         private static GSS singleton;
 110
 111         /**
 112          * Gets the singleton GSS instance.
 113          *
 114          * @return the GSS object
 115          */
 116         public static GSS get() {
 117                 if (GSS.singleton == null)
 118                         GSS.singleton = new GSS();
 119                 return GSS.singleton;
 120         }
 121
 122         /**
 123          * The Application Clipboard implementation;
 124          */
 125         private Clipboard clipboard = new Clipboard();
 126
 127         private UserResource currentUserResource;
 128
 129         /**
 130          * The top panel that contains the menu bar.
 131          */
 132         private TopPanel topPanel;
 133
 134         /**
 135          * The panel that contains the various system messages.
 136          */
 137         private MessagePanel messagePanel = new MessagePanel(GSS.images);
 138
 139         /**
 140          * The bottom panel that contains the status bar.
 141          */
 142         private StatusPanel statusPanel = new StatusPanel(GSS.images);
 143
 144         /**
 145          * The top right panel that displays the logged in user details
 146          */
 147         private UserDetailsPanel userDetailsPanel = new UserDetailsPanel();
 148
 149         /**
 150          * The file list widget.
 151          */
 152         private FileList fileList;
 153
 154         /**
 155          * The group list widget.
 156          */
 157         private Groups groups = new Groups(images);
 158
 159         /**
 160          * The search result widget.
 161          */
 162         private SearchResults searchResults;
 163
 164         /**
 165          * The tab panel that occupies the right side of the screen.
 166          */
 167         private TabPanel inner = new DecoratedTabPanel();
 168
 169         /**
 170          * The split panel that will contain the left and right panels.
 171          */
 172         private HorizontalSplitPanel splitPanel = new HorizontalSplitPanel();
 173
 174         /**
 175          * The horizontal panel that will contain the search and status panels.
 176          */
 177         private DockPanel searchStatus = new DockPanel();
 178
 179         /**
 180          * The search widget.
 181          */
 182         private Search search;
 183
 184         /**
 185          * The widget that displays the tree of folders.
 186          */
 187         private Folders folders = new Folders(images);
 188
 189         /**
 190          * The currently selected item in the application, for use by the Edit menu
 191          * commands. Potential types are Folder, File, User and Group.
 192          */
 193         private Object currentSelection;
 194
 195         /**
 196          * The authentication token of the current user.
 197          */
 198         private String token;
 199
 200         /**
 201          * The WebDAV password of the current user
 202          */
 203         private String webDAVPassword;
 204
 205         private PickupDragController dragController;
 206
 207         public HashMap<String, String> userFullNameMap = new HashMap<String, String>();
 208
 209         @Override
 210         public void onModuleLoad() {
 211                 // Initialize the singleton before calling the constructors of the
 212                 // various widgets that might call GSS.get().
 213                 singleton = this;
 214                 RootPanel.get().add(glassPanel, 0, 0);
 215                 parseUserCredentials();
 216                 dragController = new PickupDragController(RootPanel.get(), false) {
 217
 218                         @Override
 219                         public void previewDragStart() throws VetoDragException {
 220                                 super.previewDragStart();
 221                                 if (context.selectedWidgets.isEmpty())
 222                                         throw new VetoDragException();
 223
 224                                 if (context.draggable != null)
 225                                         if (context.draggable instanceof DnDFocusPanel) {
 226                                                 DnDFocusPanel toDrop = (DnDFocusPanel) context.draggable;
 227                                                 // prevent drag and drop for trashed files and for
 228                                                 // unselected tree items
 229                                                 if (toDrop.getFiles() != null && folders.isTrashItem(folders.getCurrent()))
 230                                                         throw new VetoDragException();
 231                                                 else if (toDrop.getItem() != null && !toDrop.getItem().equals(folders.getCurrent()))
 232                                                         throw new VetoDragException();
 233                                                 else if (toDrop.getItem() != null && !toDrop.getItem().isDraggable())
 234                                                         throw new VetoDragException();
 235
 236                                         } else if (context.draggable instanceof DnDSimpleFocusPanel) {
 237                                                 DnDSimpleFocusPanel toDrop = (DnDSimpleFocusPanel) context.draggable;
 238                                                 // prevent drag and drop for trashed files and for
 239                                                 // unselected tree items
 240                                                 if (toDrop.getFiles() != null && folders.isTrashItem(folders.getCurrent()))
 241                                                         throw new VetoDragException();
 242                                         }
 243                         }
 244
 245                         @Override
 246                         protected Widget newDragProxy(DragContext aContext) {
 247                                 AbsolutePanel container = new AbsolutePanel();
 248                                 DOM.setStyleAttribute(container.getElement(), "overflow", "visible");
 249                                 for (Iterator iterator = aContext.selectedWidgets.iterator(); iterator.hasNext();) {
 250                                         HTML html = null;
 251                                         Widget widget = (Widget) iterator.next();
 252                                         if (widget instanceof DnDFocusPanel) {
 253                                                 DnDFocusPanel book = (DnDFocusPanel) widget;
 254                                                 html = book.cloneHTML();
 255                                         } else if (widget instanceof DnDSimpleFocusPanel) {
 256                                                 DnDSimpleFocusPanel book = (DnDSimpleFocusPanel) widget;
 257                                                 html = book.cloneHTML();
 258                                         }
 259                                         if (html == null)
 260                                                 container.add(new Label("Drag ME"));
 261                                         else
 262                                                 container.add(html);
 263                                 }
 264                                 return container;
 265                         }
 266                 };
 267                 dragController.setBehaviorDragProxy(true);
 268                 dragController.setBehaviorMultipleSelection(false);
 269                 topPanel = new TopPanel(GSS.images);
 270                 topPanel.setWidth("100%");
 271
 272                 messagePanel.setWidth("100%");
 273                 messagePanel.setVisible(false);
 274
 275                 search = new Search(images);
 276                 searchStatus.add(search, DockPanel.WEST);
 277                 searchStatus.add(userDetailsPanel, DockPanel.EAST);
 278                 searchStatus.setCellHorizontalAlignment(userDetailsPanel, HasHorizontalAlignment.ALIGN_RIGHT);
 279                 searchStatus.setCellVerticalAlignment(search, HasVerticalAlignment.ALIGN_MIDDLE);
 280                 searchStatus.setCellVerticalAlignment(userDetailsPanel, HasVerticalAlignment.ALIGN_MIDDLE);
 281                 searchStatus.setWidth("100%");
 282
 283                 fileList = new FileList(images);
 284
 285                 searchResults = new SearchResults(images);
 286
 287                 // Inner contains the various lists.
 288                 inner.setAnimationEnabled(true);
 289                 inner.getTabBar().addStyleName("gss-MainTabBar");
 290                 inner.getDeckPanel().addStyleName("gss-MainTabPanelBottom");
 291                 inner.add(fileList, createHeaderHTML(AbstractImagePrototype.create(images.folders()), "Files"), true);
 292
 293                 inner.add(groups, createHeaderHTML(AbstractImagePrototype.create(images.groups()), "Groups"), true);
 294                 inner.add(searchResults, createHeaderHTML(AbstractImagePrototype.create(images.search()), "Search Results"), true);
 295                 inner.setWidth("100%");
 296                 inner.selectTab(0);
 297
 298                 inner.addSelectionHandler(new SelectionHandler<Integer>() {
 299
 300                         @Override
 301                         public void onSelection(SelectionEvent<Integer> event) {
 302                                 int tabIndex = event.getSelectedItem();
 303 //                              TreeItem treeItem = GSS.get().getFolders().getCurrent();
 304                                 switch (tabIndex) {
 305                                         case 0:
 306 //                                              Files tab selected
 307                                                 fileList.clearSelectedRows();
 308                                                 fileList.updateCurrentlyShowingStats();
 309                                                 break;
 310                                         case 1:
 311 //                                              Groups tab selected
 312                                                 groups.updateCurrentlyShowingStats();
 313                                         updateHistory("Groups");
 314                                                 break;
 315                                         case 2:
 316 //                                              Search tab selected
 317                                                 searchResults.clearSelectedRows();
 318                                                 searchResults.updateCurrentlyShowingStats();
 319                                         updateHistory("Search");
 320                                                 break;
 321                                 }
 322                         }
 323                 });
 324 //              If the application starts with no history token, redirect to a new "Files" state
 325                 String initToken = History.getToken();
 326                 if(initToken.length() == 0)
 327                         History.newItem("Files");
 328 //                 Add history listener to handle any history events
 329                 History.addValueChangeHandler(new ValueChangeHandler<String>() {
 330                         @Override
 331                         public void onValueChange(ValueChangeEvent<String> event) {
 332                                 String tokenInput = event.getValue();
 333                                 String historyToken = handleSpecialFolderNames(tokenInput);
 334                                 try {
 335                                         if(historyToken.equals("Search"))
 336                                                 inner.selectTab(2);
 337                                         else if(historyToken.equals("Groups"))
 338                                                 inner.selectTab(1);
 339                                         else if(historyToken.equals("Files")|| historyToken.length()==0)
 340                                                 inner.selectTab(0);
 341                                         else {
 342                                                 PopupTree popupTree = GSS.get().getFolders().getPopupTree();
 343                                                 TreeItem treeObj = GSS.get().getFolders().getPopupTree().getTreeItem(historyToken);
 344                                                 SelectionEvent.fire(popupTree, treeObj);
 345                                                 }
 346                                         } catch (IndexOutOfBoundsException e) {
 347                                                 inner.selectTab(0);
 348                                                 }
 349                                         }
 350                         });
 351
 352                 // Add the left and right panels to the split panel.
 353                 splitPanel.setLeftWidget(folders);
 354                 splitPanel.setRightWidget(inner);
 355                 splitPanel.setSplitPosition("25%");
 356                 splitPanel.setSize("100%", "100%");
 357                 splitPanel.addStyleName("gss-splitPanel");
 358
 359                 // Create a dock panel that will contain the menu bar at the top,
 360                 // the shortcuts to the left, the status bar at the bottom and the
 361                 // right panel taking the rest.
 362                 VerticalPanel outer = new VerticalPanel();
 363                 outer.add(topPanel);
 364                 outer.add(searchStatus);
 365                 outer.add(messagePanel);
 366                 outer.add(splitPanel);
 367                 outer.add(statusPanel);
 368                 outer.setWidth("100%");
 369                 outer.setCellHorizontalAlignment(messagePanel, HasHorizontalAlignment.ALIGN_CENTER);
 370
 371                 outer.setSpacing(4);
 372
 373                 // Hook the window resize event, so that we can adjust the UI.
 374                 Window.addResizeHandler(this);
 375                 // Clear out the window's built-in margin, because we want to take
 376                 // advantage of the entire client area.
 377                 Window.setMargin("0px");
 378                 // Finally, add the outer panel to the RootPanel, so that it will be
 379                 // displayed.
 380                 RootPanel.get().add(outer);
 381                 // Call the window resized handler to get the initial sizes setup. Doing
 382                 // this in a deferred command causes it to occur after all widgets'
 383                 // sizes have been computed by the browser.
 384                 DeferredCommand.addCommand(new Command() {
 385
 386                         @Override
 387                         public void execute() {
 388                                 onWindowResized(Window.getClientHeight());
 389                         }
 390                 });
 391         }
 392
 393         /**
 394          * Fetches the User object for the specified username.
 395          *
 396          * @param username the username of the user
 397          */
 398         private void fetchUser(final String username) {
 399                 String path = getApiPath() + username + "/";
 400                 GetCommand<UserResource> getUserCommand = new GetCommand<UserResource>(UserResource.class, username, path, null) {
 401
 402                         @Override
 403                         public void onComplete() {
 404                                 currentUserResource = getResult();
 405                                 final String announcement = currentUserResource.getAnnouncement();
 406                                 if (announcement != null)
 407                                         DeferredCommand.addCommand(new Command() {
 408
 409                                                 @Override
 410                                                 public void execute() {
 411                                                         displayInformation(announcement);
 412                                                 }
 413                                         });
 414                         }
 415
 416                         @Override
 417                         public void onError(Throwable t) {
 418                                 GWT.log("Fetching user error", t);
 419                                 if (t instanceof RestException)
 420                                         GSS.get().displayError("No user found:" + ((RestException) t).getHttpStatusText());
 421                                 else
 422                                         GSS.get().displayError("System error fetching user data:" + t.getMessage());
 423                                 authenticateUser();
 424                         }
 425                 };
 426                 DeferredCommand.addCommand(getUserCommand);
 427         }
 428
 429         /**
 430          * Parse and store the user credentials to the appropriate fields.
 431          */
 432         private void parseUserCredentials() {
 433                 Configuration conf = (Configuration) GWT.create(Configuration.class);
 434                 String cookie = conf.authCookie();
 435                 String auth = Cookies.getCookie(cookie);
 436                 if (auth == null) {
 437                         authenticateUser();
 438                         // Redundant, but silences warnings about possible auth NPE, below.
 439                         return;
 440                 }
 441                 int sepIndex = auth.indexOf(conf.cookieSeparator());
 442                 if (sepIndex == -1)
 443                         authenticateUser();
 444                 token = auth.substring(sepIndex + 1);
 445                 final String username = auth.substring(0, sepIndex);
 446                 if (username == null)
 447                         authenticateUser();
 448
 449                 refreshWebDAVPassword();
 450
 451                 DeferredCommand.addCommand(new Command() {
 452
 453                         @Override
 454                         public void execute() {
 455                                 fetchUser(username);
 456                         }
 457                 });
 458         }
 459
 460         /**
 461          * Redirect the user to the login page for authentication.
 462          */
 463         protected void authenticateUser() {
 464                 Configuration conf = (Configuration) GWT.create(Configuration.class);
 465                 Window.Location.assign(conf.loginUrl() + "?next=" + GWT.getModuleBaseURL());
 466         }
 467
 468         /**
 469          * Clear the cookie and redirect the user to the logout page.
 470          */
 471         void logout() {
 472                 Configuration conf = (Configuration) GWT.create(Configuration.class);
 473                 String cookie = conf.authCookie();
 474                 String domain = Window.Location.getHostName();
 475                 String path = Window.Location.getPath();
 476                 Cookies.setCookie(cookie, "", null, domain, path, false);
 477                 Window.Location.assign(conf.logoutUrl());
 478         }
 479
 480         /**
 481          * Creates an HTML fragment that places an image & caption together, for use
 482          * in a group header.
 483          *
 484          * @param imageProto an image prototype for an image
 485          * @param caption the group caption
 486          * @return the header HTML fragment
 487          */
 488         private String createHeaderHTML(AbstractImagePrototype imageProto, String caption) {
 489                 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>";
 490                 return captionHTML;
 491         }
 492
 493         private void onWindowResized(int height) {
 494                 // Adjust the split panel to take up the available room in the window.
 495                 int newHeight = height - splitPanel.getAbsoluteTop() - 44;
 496                 if (newHeight < 1)
 497                         newHeight = 1;
 498                 splitPanel.setHeight("" + newHeight);
 499         }
 500
 501         @Override
 502         public void onResize(ResizeEvent event) {
 503                 int height = event.getHeight();
 504                 onWindowResized(height);
 505         }
 506
 507         public boolean isFileListShowing() {
 508                 int tab = inner.getTabBar().getSelectedTab();
 509                 if (tab == 0)
 510                         return true;
 511                 return false;
 512         }
 513
 514         public boolean isSearchResultsShowing() {
 515                 int tab = inner.getTabBar().getSelectedTab();
 516                 if (tab == 2)
 517                         return true;
 518                 return false;
 519         }
 520
 521         /**
 522          * Make the user list visible.
 523          */
 524         public void showUserList() {
 525                 inner.selectTab(1);
 526         }
 527
 528         /**
 529          * Make the file list visible.
 530          */
 531         public void showFileList() {
 532                 fileList.updateFileCache(false, true /*clear selection*/);
 533                 inner.selectTab(0);
 534         }
 535
 536         /**
 537          * Make the file list visible.
 538          *
 539          * @param update
 540          */
 541         public void showFileList(boolean update) {
 542                 TreeItem currentFolder = getFolders().getCurrent();
 543                 if (currentFolder != null) {
 544                         List<FileResource> files = null;
 545                         Object cachedObject = currentFolder.getUserObject();
 546                         if (cachedObject instanceof FolderResource) {
 547                                 FolderResource folder = (FolderResource) cachedObject;
 548                                 files = folder.getFiles();
 549                         } else if (cachedObject instanceof TrashResource) {
 550                                 TrashResource folder = (TrashResource) cachedObject;
 551                                 files = folder.getFiles();
 552                         }
 553                         if (files != null)
 554                                 getFileList().setFiles(files);
 555                 }
 556                 fileList.updateFileCache(update, true /*clear selection*/);
 557                 inner.selectTab(0);
 558         }
 559
 560         /**
 561          * Make the search results visible.
 562          *
 563          * @param query the search query string
 564          */
 565         public void showSearchResults(String query) {
 566                 searchResults.updateFileCache(query);
 567                 searchResults.updateCurrentlyShowingStats();
 568                 inner.selectTab(2);
 569         }
 570
 571         /**
 572          * Display the 'loading' indicator.
 573          */
 574         public void showLoadingIndicator() {
 575                 topPanel.getLoading().setVisible(true);
 576         }
 577
 578         /**
 579          * Hide the 'loading' indicator.
 580          */
 581         public void hideLoadingIndicator() {
 582                 topPanel.getLoading().setVisible(false);
 583         }
 584
 585         /**
 586          * A native JavaScript method to reach out to the browser's window and
 587          * invoke its resizeTo() method.
 588          *
 589          * @param x the new width
 590          * @param y the new height
 591          */
 592         public static native void resizeTo(int x, int y) /*-{
 593                 $wnd.resizeTo(x,y);
 594         }-*/;
 595
 596         /**
 597          * A helper method that returns true if the user's list is currently visible
 598          * and false if it is hidden.
 599          *
 600          * @return true if the user list is visible
 601          */
 602         public boolean isUserListVisible() {
 603                 return inner.getTabBar().getSelectedTab() == 1;
 604         }
 605
 606         /**
 607          * Display an error message.
 608          *
 609          * @param msg the message to display
 610          */
 611         public void displayError(String msg) {
 612                 messagePanel.displayError(msg);
 613         }
 614
 615         /**
 616          * Display a warning message.
 617          *
 618          * @param msg the message to display
 619          */
 620         public void displayWarning(String msg) {
 621                 messagePanel.displayWarning(msg);
 622         }
 623
 624         /**
 625          * Display an informational message.
 626          *
 627          * @param msg the message to display
 628          */
 629         public void displayInformation(String msg) {
 630                 messagePanel.displayInformation(msg);
 631         }
 632
 633         /**
 634          * Retrieve the folders.
 635          *
 636          * @return the folders
 637          */
 638         public Folders getFolders() {
 639                 return folders;
 640         }
 641
 642         /**
 643          * Retrieve the search.
 644          *
 645          * @return the search
 646          */
 647         Search getSearch() {
 648                 return search;
 649         }
 650
 651         /**
 652          * Retrieve the currentSelection.
 653          *
 654          * @return the currentSelection
 655          */
 656         public Object getCurrentSelection() {
 657                 return currentSelection;
 658         }
 659
 660         /**
 661          * Modify the currentSelection.
 662          *
 663          * @param newCurrentSelection the currentSelection to set
 664          */
 665         public void setCurrentSelection(Object newCurrentSelection) {
 666                 currentSelection = newCurrentSelection;
 667         }
 668
 669         /**
 670          * Retrieve the groups.
 671          *
 672          * @return the groups
 673          */
 674         public Groups getGroups() {
 675                 return groups;
 676         }
 677
 678         /**
 679          * Retrieve the fileList.
 680          *
 681          * @return the fileList
 682          */
 683         public FileList getFileList() {
 684                 return fileList;
 685         }
 686
 687         public SearchResults getSearchResults() {
 688                 return searchResults;
 689         }
 690
 691         /**
 692          * Retrieve the topPanel.
 693          *
 694          * @return the topPanel
 695          */
 696         TopPanel getTopPanel() {
 697                 return topPanel;
 698         }
 699
 700         /**
 701          * Retrieve the clipboard.
 702          *
 703          * @return the clipboard
 704          */
 705         public Clipboard getClipboard() {
 706                 return clipboard;
 707         }
 708
 709         public StatusPanel getStatusPanel() {
 710                 return statusPanel;
 711         }
 712
 713         /**
 714          * Retrieve the userDetailsPanel.
 715          *
 716          * @return the userDetailsPanel
 717          */
 718         public UserDetailsPanel getUserDetailsPanel() {
 719                 return userDetailsPanel;
 720         }
 721
 722         /**
 723          * Retrieve the dragController.
 724          *
 725          * @return the dragController
 726          */
 727         public PickupDragController getDragController() {
 728                 return dragController;
 729         }
 730
 731         public String getToken() {
 732                 return token;
 733         }
 734
 735         public String getWebDAVPassword() {
 736                 return webDAVPassword;
 737         }
 738
 739         public void removeGlassPanel() {
 740                 glassPanel.removeFromParent();
 741         }
 742
 743         /**
 744          * Retrieve the currentUserResource.
 745          *
 746          * @return the currentUserResource
 747          */
 748         public UserResource getCurrentUserResource() {
 749                 return currentUserResource;
 750         }
 751
 752         /**
 753          * Modify the currentUserResource.
 754          *
 755          * @param newUser the new currentUserResource
 756          */
 757         public void setCurrentUserResource(UserResource newUser) {
 758                 currentUserResource = newUser;
 759         }
 760
 761         public static native void preventIESelection() /*-{
 762                 $doc.body.onselectstart = function () { return false; };
 763         }-*/;
 764
 765         public static native void enableIESelection() /*-{
 766                 if ($doc.body.onselectstart != null)
 767                 $doc.body.onselectstart = null;
 768         }-*/;
 769
 770         /**
 771          * @return the absolute path of the API root URL
 772          */
 773         public String getApiPath() {
 774                 Configuration conf = (Configuration) GWT.create(Configuration.class);
 775                 return GWT.getModuleBaseURL() + conf.apiPath();
 776         }
 777
 778         public void refreshWebDAVPassword() {
 779                 Configuration conf = (Configuration) GWT.create(Configuration.class);
 780                 String domain = Window.Location.getHostName();
 781                 String path = Window.Location.getPath();
 782                 String cookie = conf.webdavCookie();
 783                 webDAVPassword = Cookies.getCookie(cookie);
 784                 Cookies.setCookie(cookie, "", null, domain, path, false);
 785         }
 786
 787         /**
 788          * History support for folder navigation
 789          * adds a new browser history entry
 790          *
 791          * @param key
 792          */
 793         public void updateHistory(String key){
 794 //              Replace any whitespace of the initial string to "+"
 795 //              String result = key.replaceAll("\\s","+");
 796 //              Add a new browser history entry.
 797 //              History.newItem(result);
 798                 History.newItem(key);
 799         }
 800
 801         /**
 802          * This method examines the token input and add a "/" at the end in case it's omitted.
 803          * This happens only in Files/trash/, Files/shared/, Files/others.
 804          *
 805          * @param tokenInput
 806          * @return the formated token with a "/" at the end or the same tokenInput parameter
 807          */
 808
 809         private String handleSpecialFolderNames(String tokenInput){
 810                 List<String> pathsToCheck = Arrays.asList("Files/trash", "Files/shared", "Files/others");
 811                 if(pathsToCheck.contains(tokenInput))
 812                         return tokenInput + "/";
 813                 return tokenInput;
 814
 815         }
 816
 817         /**
 818          * Reject illegal resource names, like '.' or '..'.
 819          */
 820         static boolean isValidResourceName(String name) {
 821                 if (".".equals(name) || "..".equals(name))
 822                         return false;
 823                 return true;
 824         }
 825
 826         public void putUserToMap(String _userName, String _userFullName){
 827                 userFullNameMap.put(_userName, _userFullName);
 828         }
 829
 830         public String findUserFullName(String _userName){
 831                 return userFullNameMap.get(_userName);
 832         }
 833
 834         public boolean hasUserFullName(String _userName) {
 835                 String userFullNameFromMap = GSS.get().findUserFullName(_userName);
 836                 if (userFullNameFromMap == null)
 837                         return false;
 838                 return true;
 839         }
 840 }