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.commands.GetUserCommand;
  23 import gr.ebs.gss.client.dnd.DnDFocusPanel;
  24 import gr.ebs.gss.client.dnd.DnDSimpleFocusPanel;
  25 import gr.ebs.gss.client.rest.GetCommand;
  26 import gr.ebs.gss.client.rest.RestException;
  27 import gr.ebs.gss.client.rest.resource.FileResource;
  28 import gr.ebs.gss.client.rest.resource.FolderResource;
  29 import gr.ebs.gss.client.rest.resource.TrashResource;
  30 import gr.ebs.gss.client.rest.resource.UserResource;
  31
  32 import java.util.Arrays;
  33 import java.util.HashMap;
  34 import java.util.Iterator;
  35 import java.util.List;
  36
  37 import com.allen_sauer.gwt.dnd.client.DragContext;
  38 import com.allen_sauer.gwt.dnd.client.PickupDragController;
  39 import com.allen_sauer.gwt.dnd.client.VetoDragException;
  40 import com.google.gwt.core.client.EntryPoint;
  41 import com.google.gwt.core.client.GWT;
  42 import com.google.gwt.event.logical.shared.ResizeEvent;
  43 import com.google.gwt.event.logical.shared.ResizeHandler;
  44 import com.google.gwt.event.logical.shared.SelectionEvent;
  45 import com.google.gwt.event.logical.shared.SelectionHandler;
  46 import com.google.gwt.event.logical.shared.ValueChangeEvent;
  47 import com.google.gwt.event.logical.shared.ValueChangeHandler;
  48 import com.google.gwt.resources.client.ClientBundle;
  49 import com.google.gwt.resources.client.ImageResource;
  50 import com.google.gwt.user.client.Command;
  51 import com.google.gwt.user.client.Cookies;
  52 import com.google.gwt.user.client.DOM;
  53 import com.google.gwt.user.client.DeferredCommand;
  54 import com.google.gwt.user.client.History;
  55 import com.google.gwt.user.client.Window;
  56 import com.google.gwt.user.client.ui.AbsolutePanel;
  57 import com.google.gwt.user.client.ui.AbstractImagePrototype;
  58 import com.google.gwt.user.client.ui.DecoratedTabPanel;
  59 import com.google.gwt.user.client.ui.DockPanel;
  60 import com.google.gwt.user.client.ui.HTML;
  61 import com.google.gwt.user.client.ui.HasHorizontalAlignment;
  62 import com.google.gwt.user.client.ui.HasVerticalAlignment;
  63 import com.google.gwt.user.client.ui.HorizontalSplitPanel;
  64 import com.google.gwt.user.client.ui.Label;
  65 import com.google.gwt.user.client.ui.RootPanel;
  66 import com.google.gwt.user.client.ui.TabPanel;
  67 import com.google.gwt.user.client.ui.TreeItem;
  68 import com.google.gwt.user.client.ui.VerticalPanel;
  69 import com.google.gwt.user.client.ui.Widget;
  70
  71 /**
  72  * Entry point classes define <code>onModuleLoad()</code>.
  73  */
  74 public class GSS implements EntryPoint, ResizeHandler {
  75
  76         /**
  77          * A constant that denotes the completion of an IncrementalCommand.
  78          */
  79         public static final boolean DONE = false;
  80
  81         public static final int VISIBLE_FILE_COUNT = 100;
  82
  83         /**
  84          * Instantiate an application-level image bundle. This object will provide
  85          * programmatic access to all the images needed by widgets.
  86          */
  87         private static Images images = (Images) GWT.create(Images.class);
  88
  89         private GlassPanel glassPanel = new GlassPanel();
  90
  91         /**
  92          * An aggregate image bundle that pulls together all the images for this
  93          * application into a single bundle.
  94          */
  95         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 {
  96
  97                 @Source("gr/ebs/gss/resources/document.png")
  98                 ImageResource folders();
  99
 100                 @Source("gr/ebs/gss/resources/edit_group_22.png")
 101                 ImageResource groups();
 102
 103                 @Source("gr/ebs/gss/resources/search.png")
 104                 ImageResource search();
 105         }
 106
 107         /**
 108          * The single GSS instance.
 109          */
 110         private static GSS singleton;
 111
 112         /**
 113          * Gets the singleton GSS instance.
 114          *
 115          * @return the GSS object
 116          */
 117         public static GSS get() {
 118                 if (GSS.singleton == null)
 119                         GSS.singleton = new GSS();
 120                 return GSS.singleton;
 121         }
 122
 123         /**
 124          * The Application Clipboard implementation;
 125          */
 126         private Clipboard clipboard = new Clipboard();
 127
 128         private UserResource currentUserResource;
 129
 130         /**
 131          * The top panel that contains the menu bar.
 132          */
 133         private TopPanel topPanel;
 134
 135         /**
 136          * The panel that contains the various system messages.
 137          */
 138         private MessagePanel messagePanel = new MessagePanel(GSS.images);
 139
 140         /**
 141          * The bottom panel that contains the status bar.
 142          */
 143         private StatusPanel statusPanel = new StatusPanel(GSS.images);
 144
 145         /**
 146          * The top right panel that displays the logged in user details
 147          */
 148         private UserDetailsPanel userDetailsPanel = new UserDetailsPanel();
 149
 150         /**
 151          * The file list widget.
 152          */
 153         private FileList fileList;
 154
 155         /**
 156          * The group list widget.
 157          */
 158         private Groups groups = new Groups(images);
 159
 160         /**
 161          * The search result widget.
 162          */
 163         private SearchResults searchResults;
 164
 165         /**
 166          * The tab panel that occupies the right side of the screen.
 167          */
 168         private TabPanel inner = new DecoratedTabPanel();
 169
 170         /**
 171          * The split panel that will contain the left and right panels.
 172          */
 173         private HorizontalSplitPanel splitPanel = new HorizontalSplitPanel();
 174
 175         /**
 176          * The horizontal panel that will contain the search and status panels.
 177          */
 178         private DockPanel searchStatus = new DockPanel();
 179
 180         /**
 181          * The search widget.
 182          */
 183         private Search search;
 184
 185         /**
 186          * The widget that displays the tree of folders.
 187          */
 188         private Folders folders = new Folders(images);
 189
 190         /**
 191          * The currently selected item in the application, for use by the Edit menu
 192          * commands. Potential types are Folder, File, User and Group.
 193          */
 194         private Object currentSelection;
 195
 196         /**
 197          * The authentication token of the current user.
 198          */
 199         private String token;
 200
 201         /**
 202          * The WebDAV password of the current user
 203          */
 204         private String webDAVPassword;
 205
 206         private PickupDragController dragController;
 207
 208         public HashMap<String, String> userFullNameMap = new HashMap<String, String>();
 209
 210         @Override
 211         public void onModuleLoad() {
 212                 // Initialize the singleton before calling the constructors of the
 213                 // various widgets that might call GSS.get().
 214                 singleton = this;
 215                 RootPanel.get().add(glassPanel, 0, 0);
 216                 parseUserCredentials();
 217                 dragController = new PickupDragController(RootPanel.get(), false) {
 218
 219                         @Override
 220                         public void previewDragStart() throws VetoDragException {
 221                                 super.previewDragStart();
 222                                 if (context.selectedWidgets.isEmpty())
 223                                         throw new VetoDragException();
 224
 225                                 if (context.draggable != null)
 226                                         if (context.draggable instanceof DnDFocusPanel) {
 227                                                 DnDFocusPanel toDrop = (DnDFocusPanel) context.draggable;
 228                                                 // prevent drag and drop for trashed files and for
 229                                                 // unselected tree items
 230                                                 if (toDrop.getFiles() != null && folders.isTrashItem(folders.getCurrent()))
 231                                                         throw new VetoDragException();
 232                                                 else if (toDrop.getItem() != null && !toDrop.getItem().equals(folders.getCurrent()))
 233                                                         throw new VetoDragException();
 234                                                 else if (toDrop.getItem() != null && !toDrop.getItem().isDraggable())
 235                                                         throw new VetoDragException();
 236
 237                                         } else if (context.draggable instanceof DnDSimpleFocusPanel) {
 238                                                 DnDSimpleFocusPanel toDrop = (DnDSimpleFocusPanel) context.draggable;
 239                                                 // prevent drag and drop for trashed files and for
 240                                                 // unselected tree items
 241                                                 if (toDrop.getFiles() != null && folders.isTrashItem(folders.getCurrent()))
 242                                                         throw new VetoDragException();
 243                                         }
 244                         }
 245
 246                         @Override
 247                         protected Widget newDragProxy(DragContext aContext) {
 248                                 AbsolutePanel container = new AbsolutePanel();
 249                                 DOM.setStyleAttribute(container.getElement(), "overflow", "visible");
 250                                 for (Iterator iterator = aContext.selectedWidgets.iterator(); iterator.hasNext();) {
 251                                         HTML html = null;
 252                                         Widget widget = (Widget) iterator.next();
 253                                         if (widget instanceof DnDFocusPanel) {
 254                                                 DnDFocusPanel book = (DnDFocusPanel) widget;
 255                                                 html = book.cloneHTML();
 256                                         } else if (widget instanceof DnDSimpleFocusPanel) {
 257                                                 DnDSimpleFocusPanel book = (DnDSimpleFocusPanel) widget;
 258                                                 html = book.cloneHTML();
 259                                         }
 260                                         if (html == null)
 261                                                 container.add(new Label("Drag ME"));
 262                                         else
 263                                                 container.add(html);
 264                                 }
 265                                 return container;
 266                         }
 267                 };
 268                 dragController.setBehaviorDragProxy(true);
 269                 dragController.setBehaviorMultipleSelection(false);
 270                 topPanel = new TopPanel(GSS.images);
 271                 topPanel.setWidth("100%");
 272
 273                 messagePanel.setWidth("100%");
 274                 messagePanel.setVisible(false);
 275
 276                 search = new Search(images);
 277                 searchStatus.add(search, DockPanel.WEST);
 278                 searchStatus.add(userDetailsPanel, DockPanel.EAST);
 279                 searchStatus.setCellHorizontalAlignment(userDetailsPanel, HasHorizontalAlignment.ALIGN_RIGHT);
 280                 searchStatus.setCellVerticalAlignment(search, HasVerticalAlignment.ALIGN_MIDDLE);
 281                 searchStatus.setCellVerticalAlignment(userDetailsPanel, HasVerticalAlignment.ALIGN_MIDDLE);
 282                 searchStatus.setWidth("100%");
 283
 284                 fileList = new FileList(images);
 285
 286                 searchResults = new SearchResults(images);
 287
 288                 // Inner contains the various lists.
 289                 inner.setAnimationEnabled(true);
 290                 inner.getTabBar().addStyleName("gss-MainTabBar");
 291                 inner.getDeckPanel().addStyleName("gss-MainTabPanelBottom");
 292                 inner.add(fileList, createHeaderHTML(AbstractImagePrototype.create(images.folders()), "Files"), true);
 293
 294                 inner.add(groups, createHeaderHTML(AbstractImagePrototype.create(images.groups()), "Groups"), true);
 295                 inner.add(searchResults, createHeaderHTML(AbstractImagePrototype.create(images.search()), "Search Results"), true);
 296                 inner.setWidth("100%");
 297                 inner.selectTab(0);
 298
 299                 inner.addSelectionHandler(new SelectionHandler<Integer>() {
 300
 301                         @Override
 302                         public void onSelection(SelectionEvent<Integer> event) {
 303                                 int tabIndex = event.getSelectedItem();
 304 //                              TreeItem treeItem = GSS.get().getFolders().getCurrent();
 305                                 switch (tabIndex) {
 306                                         case 0:
 307 //                                              Files tab selected
 308                                                 fileList.clearSelectedRows();
 309                                                 fileList.updateCurrentlyShowingStats();
 310                                                 break;
 311                                         case 1:
 312 //                                              Groups tab selected
 313                                                 groups.updateCurrentlyShowingStats();
 314                                         updateHistory("Groups");
 315                                                 break;
 316                                         case 2:
 317 //                                              Search tab selected
 318                                                 searchResults.clearSelectedRows();
 319                                                 searchResults.updateCurrentlyShowingStats();
 320                                         updateHistory("Search");
 321                                                 break;
 322                                 }
 323                         }
 324                 });
 325 //              If the application starts with no history token, redirect to a new "Files" state
 326                 String initToken = History.getToken();
 327                 if(initToken.length() == 0)
 328                         History.newItem("Files");
 329 //                 Add history listener to handle any history events
 330                 History.addValueChangeHandler(new ValueChangeHandler<String>() {
 331                         @Override
 332                         public void onValueChange(ValueChangeEvent<String> event) {
 333                                 String tokenInput = event.getValue();
 334                                 String historyToken = handleSpecialFolderNames(tokenInput);
 335                                 try {
 336                                         if(historyToken.equals("Search"))
 337                                                 inner.selectTab(2);
 338                                         else if(historyToken.equals("Groups"))
 339                                                 inner.selectTab(1);
 340                                         else if(historyToken.equals("Files")|| historyToken.length()==0)
 341                                                 inner.selectTab(0);
 342                                         else {
 343                                                 PopupTree popupTree = GSS.get().getFolders().getPopupTree();
 344                                                 TreeItem treeObj = GSS.get().getFolders().getPopupTree().getTreeItem(historyToken);
 345                                                 SelectionEvent.fire(popupTree, treeObj);
 346                                         }
 347                                 } catch (IndexOutOfBoundsException e) {
 348                                         inner.selectTab(0);
 349                                 }
 350                         }
 351                 });
 352
 353                 // Add the left and right panels to the split panel.
 354                 splitPanel.setLeftWidget(folders);
 355                 splitPanel.setRightWidget(inner);
 356                 splitPanel.setSplitPosition("25%");
 357                 splitPanel.setSize("100%", "100%");
 358                 splitPanel.addStyleName("gss-splitPanel");
 359
 360                 // Create a dock panel that will contain the menu bar at the top,
 361                 // the shortcuts to the left, the status bar at the bottom and the
 362                 // right panel taking the rest.
 363                 VerticalPanel outer = new VerticalPanel();
 364                 outer.add(topPanel);
 365                 outer.add(searchStatus);
 366                 outer.add(messagePanel);
 367                 outer.add(splitPanel);
 368                 outer.add(statusPanel);
 369                 outer.setWidth("100%");
 370                 outer.setCellHorizontalAlignment(messagePanel, HasHorizontalAlignment.ALIGN_CENTER);
 371
 372                 outer.setSpacing(4);
 373
 374                 // Hook the window resize event, so that we can adjust the UI.
 375                 Window.addResizeHandler(this);
 376                 // Clear out the window's built-in margin, because we want to take
 377                 // advantage of the entire client area.
 378                 Window.setMargin("0px");
 379                 // Finally, add the outer panel to the RootPanel, so that it will be
 380                 // displayed.
 381                 RootPanel.get().add(outer);
 382                 // Call the window resized handler to get the initial sizes setup. Doing
 383                 // this in a deferred command causes it to occur after all widgets'
 384                 // sizes have been computed by the browser.
 385                 DeferredCommand.addCommand(new Command() {
 386
 387                         @Override
 388                         public void execute() {
 389                                 onWindowResized(Window.getClientHeight());
 390                         }
 391                 });
 392         }
 393
 394         /**
 395          * Fetches the User object for the specified username.
 396          *
 397          * @param username the username of the user
 398          */
 399         private void fetchUser(final String username) {
 400                 String path = getApiPath() + username + "/";
 401                 GetCommand<UserResource> getUserCommand = new GetCommand<UserResource>(UserResource.class, username, path, null) {
 402
 403                         @Override
 404                         public void onComplete() {
 405                                 currentUserResource = getResult();
 406                                 final String announcement = currentUserResource.getAnnouncement();
 407                                 if (announcement != null)
 408                                         DeferredCommand.addCommand(new Command() {
 409
 410                                                 @Override
 411                                                 public void execute() {
 412                                                         displayInformation(announcement);
 413                                                 }
 414                                         });
 415                         }
 416
 417                         @Override
 418                         public void onError(Throwable t) {
 419                                 GWT.log("Fetching user error", t);
 420                                 if (t instanceof RestException)
 421                                         GSS.get().displayError("No user found:" + ((RestException) t).getHttpStatusText());
 422                                 else
 423                                         GSS.get().displayError("System error fetching user data:" + t.getMessage());
 424                                 authenticateUser();
 425                         }
 426                 };
 427                 DeferredCommand.addCommand(getUserCommand);
 428         }
 429
 430         /**
 431          * Parse and store the user credentials to the appropriate fields.
 432          */
 433         private void parseUserCredentials() {
 434                 Configuration conf = (Configuration) GWT.create(Configuration.class);
 435                 String cookie = conf.authCookie();
 436                 String auth = Cookies.getCookie(cookie);
 437                 if (auth == null) {
 438                         authenticateUser();
 439                         // Redundant, but silences warnings about possible auth NPE, below.
 440                         return;
 441                 }
 442                 int sepIndex = auth.indexOf(conf.cookieSeparator());
 443                 if (sepIndex == -1)
 444                         authenticateUser();
 445                 token = auth.substring(sepIndex + 1);
 446                 final String username = auth.substring(0, sepIndex);
 447                 if (username == null)
 448                         authenticateUser();
 449
 450                 refreshWebDAVPassword();
 451
 452                 DeferredCommand.addCommand(new Command() {
 453
 454                         @Override
 455                         public void execute() {
 456                                 fetchUser(username);
 457                         }
 458                 });
 459         }
 460
 461         /**
 462          * Redirect the user to the login page for authentication.
 463          */
 464         protected void authenticateUser() {
 465                 Configuration conf = (Configuration) GWT.create(Configuration.class);
 466                 Window.Location.assign(conf.loginUrl() + "?next=" + GWT.getModuleBaseURL());
 467         }
 468
 469         /**
 470          * Clear the cookie and redirect the user to the logout page.
 471          */
 472         void logout() {
 473                 Configuration conf = (Configuration) GWT.create(Configuration.class);
 474                 String cookie = conf.authCookie();
 475                 String domain = Window.Location.getHostName();
 476                 String path = Window.Location.getPath();
 477                 Cookies.setCookie(cookie, "", null, domain, path, false);
 478                 Window.Location.assign(conf.logoutUrl());
 479         }
 480
 481         /**
 482          * Creates an HTML fragment that places an image & caption together, for use
 483          * in a group header.
 484          *
 485          * @param imageProto an image prototype for an image
 486          * @param caption the group caption
 487          * @return the header HTML fragment
 488          */
 489         private String createHeaderHTML(AbstractImagePrototype imageProto, String caption) {
 490                 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>";
 491                 return captionHTML;
 492         }
 493
 494         private void onWindowResized(int height) {
 495                 // Adjust the split panel to take up the available room in the window.
 496                 int newHeight = height - splitPanel.getAbsoluteTop() - 44;
 497                 if (newHeight < 1)
 498                         newHeight = 1;
 499                 splitPanel.setHeight("" + newHeight);
 500         }
 501
 502         @Override
 503         public void onResize(ResizeEvent event) {
 504                 int height = event.getHeight();
 505                 onWindowResized(height);
 506         }
 507
 508         public boolean isFileListShowing() {
 509                 int tab = inner.getTabBar().getSelectedTab();
 510                 if (tab == 0)
 511                         return true;
 512                 return false;
 513         }
 514
 515         public boolean isSearchResultsShowing() {
 516                 int tab = inner.getTabBar().getSelectedTab();
 517                 if (tab == 2)
 518                         return true;
 519                 return false;
 520         }
 521
 522         /**
 523          * Make the user list visible.
 524          */
 525         public void showUserList() {
 526                 inner.selectTab(1);
 527         }
 528
 529         /**
 530          * Make the file list visible.
 531          */
 532         public void showFileList() {
 533                 fileList.updateFileCache(false, true /*clear selection*/);
 534                 inner.selectTab(0);
 535         }
 536
 537         /**
 538          * Make the file list visible.
 539          *
 540          * @param update
 541          */
 542         public void showFileList(boolean update) {
 543                 TreeItem currentFolder = getFolders().getCurrent();
 544                 if (currentFolder != null) {
 545                         List<FileResource> files = null;
 546                         Object cachedObject = currentFolder.getUserObject();
 547                         if (cachedObject instanceof FolderResource) {
 548                                 FolderResource folder = (FolderResource) cachedObject;
 549                                 files = folder.getFiles();
 550                         } else if (cachedObject instanceof TrashResource) {
 551                                 TrashResource folder = (TrashResource) cachedObject;
 552                                 files = folder.getFiles();
 553                         }
 554                         if (files != null)
 555                                 getFileList().setFiles(files);
 556                 }
 557                 fileList.updateFileCache(update, true /*clear selection*/);
 558                 inner.selectTab(0);
 559         }
 560
 561         /**
 562          * Make the search results visible.
 563          *
 564          * @param query the search query string
 565          */
 566         public void showSearchResults(String query) {
 567                 searchResults.updateFileCache(query);
 568                 searchResults.updateCurrentlyShowingStats();
 569                 inner.selectTab(2);
 570         }
 571
 572         /**
 573          * Display the 'loading' indicator.
 574          */
 575         public void showLoadingIndicator() {
 576                 topPanel.getLoading().setVisible(true);
 577         }
 578
 579         /**
 580          * Hide the 'loading' indicator.
 581          */
 582         public void hideLoadingIndicator() {
 583                 topPanel.getLoading().setVisible(false);
 584         }
 585
 586         /**
 587          * A native JavaScript method to reach out to the browser's window and
 588          * invoke its resizeTo() method.
 589          *
 590          * @param x the new width
 591          * @param y the new height
 592          */
 593         public static native void resizeTo(int x, int y) /*-{
 594                 $wnd.resizeTo(x,y);
 595         }-*/;
 596
 597         /**
 598          * A helper method that returns true if the user's list is currently visible
 599          * and false if it is hidden.
 600          *
 601          * @return true if the user list is visible
 602          */
 603         public boolean isUserListVisible() {
 604                 return inner.getTabBar().getSelectedTab() == 1;
 605         }
 606
 607         /**
 608          * Display an error message.
 609          *
 610          * @param msg the message to display
 611          */
 612         public void displayError(String msg) {
 613                 messagePanel.displayError(msg);
 614         }
 615
 616         /**
 617          * Display a warning message.
 618          *
 619          * @param msg the message to display
 620          */
 621         public void displayWarning(String msg) {
 622                 messagePanel.displayWarning(msg);
 623         }
 624
 625         /**
 626          * Display an informational message.
 627          *
 628          * @param msg the message to display
 629          */
 630         public void displayInformation(String msg) {
 631                 messagePanel.displayInformation(msg);
 632         }
 633
 634         /**
 635          * Retrieve the folders.
 636          *
 637          * @return the folders
 638          */
 639         public Folders getFolders() {
 640                 return folders;
 641         }
 642
 643         /**
 644          * Retrieve the search.
 645          *
 646          * @return the search
 647          */
 648         Search getSearch() {
 649                 return search;
 650         }
 651
 652         /**
 653          * Retrieve the currentSelection.
 654          *
 655          * @return the currentSelection
 656          */
 657         public Object getCurrentSelection() {
 658                 return currentSelection;
 659         }
 660
 661         /**
 662          * Modify the currentSelection.
 663          *
 664          * @param newCurrentSelection the currentSelection to set
 665          */
 666         public void setCurrentSelection(Object newCurrentSelection) {
 667                 currentSelection = newCurrentSelection;
 668         }
 669
 670         /**
 671          * Retrieve the groups.
 672          *
 673          * @return the groups
 674          */
 675         public Groups getGroups() {
 676                 return groups;
 677         }
 678
 679         /**
 680          * Retrieve the fileList.
 681          *
 682          * @return the fileList
 683          */
 684         public FileList getFileList() {
 685                 return fileList;
 686         }
 687
 688         public SearchResults getSearchResults() {
 689                 return searchResults;
 690         }
 691
 692         /**
 693          * Retrieve the topPanel.
 694          *
 695          * @return the topPanel
 696          */
 697         TopPanel getTopPanel() {
 698                 return topPanel;
 699         }
 700
 701         /**
 702          * Retrieve the clipboard.
 703          *
 704          * @return the clipboard
 705          */
 706         public Clipboard getClipboard() {
 707                 return clipboard;
 708         }
 709
 710         public StatusPanel getStatusPanel() {
 711                 return statusPanel;
 712         }
 713
 714         /**
 715          * Retrieve the userDetailsPanel.
 716          *
 717          * @return the userDetailsPanel
 718          */
 719         public UserDetailsPanel getUserDetailsPanel() {
 720                 return userDetailsPanel;
 721         }
 722
 723         /**
 724          * Retrieve the dragController.
 725          *
 726          * @return the dragController
 727          */
 728         public PickupDragController getDragController() {
 729                 return dragController;
 730         }
 731
 732         public String getToken() {
 733                 return token;
 734         }
 735
 736         public String getWebDAVPassword() {
 737                 return webDAVPassword;
 738         }
 739
 740         public void removeGlassPanel() {
 741                 glassPanel.removeFromParent();
 742         }
 743
 744         /**
 745          * Retrieve the currentUserResource.
 746          *
 747          * @return the currentUserResource
 748          */
 749         public UserResource getCurrentUserResource() {
 750                 return currentUserResource;
 751         }
 752
 753         /**
 754          * Modify the currentUserResource.
 755          *
 756          * @param newUser the new currentUserResource
 757          */
 758         public void setCurrentUserResource(UserResource newUser) {
 759                 currentUserResource = newUser;
 760         }
 761
 762         public static native void preventIESelection() /*-{
 763                 $doc.body.onselectstart = function () { return false; };
 764         }-*/;
 765
 766         public static native void enableIESelection() /*-{
 767                 if ($doc.body.onselectstart != null)
 768                 $doc.body.onselectstart = null;
 769         }-*/;
 770
 771         /**
 772          * @return the absolute path of the API root URL
 773          */
 774         public String getApiPath() {
 775                 Configuration conf = (Configuration) GWT.create(Configuration.class);
 776                 return GWT.getModuleBaseURL() + conf.apiPath();
 777         }
 778
 779         public void refreshWebDAVPassword() {
 780                 Configuration conf = (Configuration) GWT.create(Configuration.class);
 781                 String domain = Window.Location.getHostName();
 782                 String path = Window.Location.getPath();
 783                 String cookie = conf.webdavCookie();
 784                 webDAVPassword = Cookies.getCookie(cookie);
 785                 Cookies.setCookie(cookie, "", null, domain, path, false);
 786         }
 787
 788         /**
 789          * History support for folder navigation
 790          * adds a new browser history entry
 791          *
 792          * @param key
 793          */
 794         public void updateHistory(String key){
 795 //              Replace any whitespace of the initial string to "+"
 796 //              String result = key.replaceAll("\\s","+");
 797 //              Add a new browser history entry.
 798 //              History.newItem(result);
 799                 History.newItem(key);
 800         }
 801
 802         /**
 803          * This method examines the token input and add a "/" at the end in case it's omitted.
 804          * This happens only in Files/trash/, Files/shared/, Files/others.
 805          *
 806          * @param tokenInput
 807          * @return the formated token with a "/" at the end or the same tokenInput parameter
 808          */
 809
 810         private String handleSpecialFolderNames(String tokenInput){
 811                 List<String> pathsToCheck = Arrays.asList("Files/trash", "Files/shared", "Files/others");
 812                 if(pathsToCheck.contains(tokenInput))
 813                         return tokenInput + "/";
 814                 return tokenInput;
 815
 816         }
 817
 818         /**
 819          * Reject illegal resource names, like '.' or '..' or slashes '/'.
 820          */
 821         static boolean isValidResourceName(String name) {
 822                 if (".".equals(name) || "..".equals(name) || name.contains("/"))
 823                         return false;
 824                 return true;
 825         }
 826
 827         public void putUserToMap(String _userName, String _userFullName){
 828                 userFullNameMap.put(_userName, _userFullName);
 829         }
 830
 831         public String findUserFullName(String _userName){
 832                 return userFullNameMap.get(_userName);
 833         }
 834
 835         public String getUserFullName(String _userName) {
 836                 if (GSS.get().findUserFullName(_userName) == null)
 837                         //if there is no userFullName found then the map fills with the given _userName,
 838                         //so userFullName = _userName
 839                         GSS.get().putUserToMap(_userName, _userName);
 840                 else if(GSS.get().findUserFullName(_userName).indexOf('@') != -1){
 841                         //if the userFullName = _userName the GetUserCommand updates the userFullName in the map
 842                         GetUserCommand guc = new GetUserCommand(_userName);
 843                         guc.execute();
 844                 }
 845                 return GSS.get().findUserFullName(_userName);
 846         }
 847 }