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

   1 /*
   2  * Copyright 2011 GRNET S.A. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or
   5  * without modification, are permitted provided that the following
   6  * conditions are met:
   7  *
   8  *   1. Redistributions of source code must retain the above
   9  *      copyright notice, this list of conditions and the following
  10  *      disclaimer.
  11  *
  12  *   2. Redistributions in binary form must reproduce the above
  13  *      copyright notice, this list of conditions and the following
  14  *      disclaimer in the documentation and/or other materials
  15  *      provided with the distribution.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
  18  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  20  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
  21  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  22  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  23  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  24  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  25  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  27  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  28  * POSSIBILITY OF SUCH DAMAGE.
  29  *
  30  * The views and conclusions contained in the software and
  31  * documentation are those of the authors and should not be
  32  * interpreted as representing official policies, either expressed
  33  * or implied, of GRNET S.A.
  34  */
  35
  36 package gr.grnet.pithos.web.client;
  37
  38 import com.google.gwt.event.dom.client.ContextMenuEvent;
  39 import com.google.gwt.event.dom.client.ContextMenuHandler;
  40 import static com.google.gwt.query.client.GQuery.$;
  41
  42 import gr.grnet.pithos.web.client.commands.UploadFileCommand;
  43 import gr.grnet.pithos.web.client.foldertree.File;
  44 import gr.grnet.pithos.web.client.foldertree.Folder;
  45 import gr.grnet.pithos.web.client.foldertree.FolderTreeView;
  46 import gr.grnet.pithos.web.client.rest.resource.FileResource;
  47 import gwtquery.plugins.draggable.client.DraggableOptions;
  48 import gwtquery.plugins.draggable.client.StopDragException;
  49 import gwtquery.plugins.draggable.client.DraggableOptions.DragFunction;
  50 import gwtquery.plugins.draggable.client.DraggableOptions.RevertOption;
  51 import gwtquery.plugins.draggable.client.events.DragContext;
  52 import gwtquery.plugins.draggable.client.events.DragStartEvent;
  53 import gwtquery.plugins.draggable.client.events.DragStopEvent;
  54 import gwtquery.plugins.draggable.client.events.DragStartEvent.DragStartEventHandler;
  55 import gwtquery.plugins.draggable.client.events.DragStopEvent.DragStopEventHandler;
  56 import gwtquery.plugins.droppable.client.gwt.DragAndDropCellTable;
  57 import gwtquery.plugins.droppable.client.gwt.DragAndDropColumn;
  58
  59 import java.util.ArrayList;
  60 import java.util.Collections;
  61 import java.util.Comparator;
  62 import java.util.Iterator;
  63 import java.util.List;
  64
  65 import com.google.gwt.cell.client.ImageResourceCell;
  66 import com.google.gwt.cell.client.SafeHtmlCell;
  67 import com.google.gwt.cell.client.TextCell;
  68 import com.google.gwt.cell.client.ValueUpdater;
  69 import com.google.gwt.core.client.GWT;
  70 import com.google.gwt.dom.client.Style.Cursor;
  71 import com.google.gwt.event.dom.client.ClickEvent;
  72 import com.google.gwt.event.dom.client.ClickHandler;
  73 import com.google.gwt.i18n.client.DateTimeFormat;
  74 import com.google.gwt.resources.client.ClientBundle;
  75 import com.google.gwt.resources.client.ImageResource;
  76 import com.google.gwt.safehtml.client.SafeHtmlTemplates;
  77 import com.google.gwt.safehtml.shared.SafeHtml;
  78 import com.google.gwt.safehtml.shared.SafeHtmlBuilder;
  79 import com.google.gwt.user.cellview.client.CellTable;
  80 import com.google.gwt.user.cellview.client.GssSimplePager;
  81 import com.google.gwt.user.client.DOM;
  82 import com.google.gwt.user.client.Event;
  83 import com.google.gwt.user.client.Window;
  84 import com.google.gwt.user.client.ui.AbstractImagePrototype;
  85 import com.google.gwt.user.client.ui.Button;
  86 import com.google.gwt.user.client.ui.Composite;
  87 import com.google.gwt.user.client.ui.HorizontalPanel;
  88 import com.google.gwt.user.client.ui.VerticalPanel;
  89 import com.google.gwt.view.client.ListDataProvider;
  90 import com.google.gwt.view.client.MultiSelectionModel;
  91 import com.google.gwt.view.client.ProvidesKey;
  92 import com.google.gwt.view.client.SelectionChangeEvent;
  93 import com.google.gwt.view.client.SelectionChangeEvent.Handler;
  94
  95 /**
  96  * A composite that displays the list of files in a particular folder.
  97  */
  98 public class FileList extends Composite {
  99
 100         ListDataProvider<File> provider = new ListDataProvider<File>();
 101
 102     /**
 103        * The styles applied to the table.
 104        */
 105     interface TableStyle extends CellTable.Style {
 106     }
 107
 108         interface TableResources extends DragAndDropCellTable.Resources {
 109             @Source({CellTable.Style.DEFAULT_CSS, "GssCellTable.css"})
 110             TableStyle cellTableStyle();
 111         }
 112
 113         static interface Templates extends SafeHtmlTemplates {
 114             Templates INSTANCE = GWT.create(Templates.class);
 115
 116             @Template("<div id='dragHelper' style='border:1px solid black; background-color:#ffffff; color:black; width:150px;z-index:100'></div>")
 117             SafeHtml outerHelper();
 118
 119         @Template("<span id='{0}'>{0}</span>")
 120         public SafeHtml filenameSpan(String filename);
 121
 122         @Template("<a href='{0}' title='{1}' rel='lytebox[mnf]' onclick='myLytebox.start(this, false, false); return false;'>(view)</a>")
 123         public SafeHtml viewLink(String link, String title);
 124
 125         @Template("<table><tr><td rowspan='3'>{0}</td><td style='font-size:95%;' id='{1}'>{1}</td></tr><tr><td>{2}</td></tr></table>")
 126         public SafeHtml rendelContactCell(String imageHtml, String name, String fileSize);
 127
 128         @Template("<span id='{0}' class='{1}'>{2}</span>")
 129         public SafeHtml spanWithIdAndClass(String id, String cssClass, String content);
 130         }
 131
 132     private String showingStats = "";
 133
 134         private int startIndex = 0;
 135
 136         /**
 137          * A constant that denotes the completion of an IncrementalCommand.
 138          */
 139         public static final boolean DONE = false;
 140
 141         private final DateTimeFormat formatter = DateTimeFormat.getFormat("d/M/yyyy h:mm a");
 142
 143         /**
 144          * Specifies that the images available for this composite will be the ones
 145          * available in FileContextMenu.
 146          */
 147         public interface Images extends ClientBundle,FileContextMenu.Images, CellTreeView.Images {
 148
 149                 @Source("gr/grnet/pithos/resources/blank.gif")
 150                 ImageResource blank();
 151
 152                 @Source("gr/grnet/pithos/resources/asc.png")
 153                 ImageResource asc();
 154
 155                 @Source("gr/grnet/pithos/resources/desc.png")
 156                 ImageResource desc();
 157
 158                 @Source("gr/grnet/pithos/resources/mimetypes/document_shared.png")
 159                 ImageResource documentShared();
 160
 161                 @Source("gr/grnet/pithos/resources/mimetypes/kcmfontinst.png")
 162                 ImageResource wordprocessor();
 163
 164                 @Source("gr/grnet/pithos/resources/mimetypes/log.png")
 165                 ImageResource spreadsheet();
 166
 167                 @Source("gr/grnet/pithos/resources/mimetypes/kpresenter_kpr.png")
 168                 ImageResource presentation();
 169
 170                 @Source("gr/grnet/pithos/resources/mimetypes/acroread.png")
 171                 ImageResource pdf();
 172
 173                 @Source("gr/grnet/pithos/resources/mimetypes/image.png")
 174                 ImageResource image();
 175
 176                 @Source("gr/grnet/pithos/resources/mimetypes/video2.png")
 177                 ImageResource video();
 178
 179                 @Source("gr/grnet/pithos/resources/mimetypes/knotify.png")
 180                 ImageResource audio();
 181
 182                 @Source("gr/grnet/pithos/resources/mimetypes/html.png")
 183                 ImageResource html();
 184
 185                 @Source("gr/grnet/pithos/resources/mimetypes/txt.png")
 186                 ImageResource txt();
 187
 188                 @Source("gr/grnet/pithos/resources/mimetypes/ark2.png")
 189                 ImageResource zip();
 190
 191                 @Source("gr/grnet/pithos/resources/mimetypes/kcmfontinst_shared.png")
 192                 ImageResource wordprocessorShared();
 193
 194                 @Source("gr/grnet/pithos/resources/mimetypes/log_shared.png")
 195                 ImageResource spreadsheetShared();
 196
 197                 @Source("gr/grnet/pithos/resources/mimetypes/kpresenter_kpr_shared.png")
 198                 ImageResource presentationShared();
 199
 200                 @Source("gr/grnet/pithos/resources/mimetypes/acroread_shared.png")
 201                 ImageResource pdfShared();
 202
 203                 @Source("gr/grnet/pithos/resources/mimetypes/image_shared.png")
 204                 ImageResource imageShared();
 205
 206                 @Source("gr/grnet/pithos/resources/mimetypes/video2_shared.png")
 207                 ImageResource videoShared();
 208
 209                 @Source("gr/grnet/pithos/resources/mimetypes/knotify_shared.png")
 210                 ImageResource audioShared();
 211
 212                 @Source("gr/grnet/pithos/resources/mimetypes/html_shared.png")
 213                 ImageResource htmlShared();
 214
 215                 @Source("gr/grnet/pithos/resources/mimetypes/txt_shared.png")
 216                 ImageResource txtShared();
 217
 218                 @Source("gr/grnet/pithos/resources/mimetypes/ark2_shared.png")
 219                 ImageResource zipShared();
 220
 221         }
 222
 223         /**
 224          * The number of files in this folder.
 225          */
 226         int folderFileCount;
 227
 228         /**
 229          * Total folder size
 230          */
 231         long folderTotalSize;
 232
 233         /**
 234          * A cache of the files in the list.
 235          */
 236         private List<File> files;
 237
 238         /**
 239          * The widget's image bundle.
 240          */
 241         private final Images images;
 242
 243         private FileContextMenu contextMenu;
 244
 245         private DragAndDropCellTable<File> celltable;
 246
 247         private final MultiSelectionModel<File> selectionModel;
 248
 249         private final List<SortableHeader> allHeaders = new ArrayList<SortableHeader>();
 250
 251         SortableHeader nameHeader;
 252
 253         GssSimplePager pagerBottom;
 254
 255         GssSimplePager pagerTop;
 256
 257         Button uploadButtonBottom;
 258
 259         Button uploadButtonTop;
 260
 261     FolderTreeView treeView;
 262
 263     /**
 264          * Construct the file list widget. This entails setting up the widget
 265          * layout, fetching the number of files in the current folder from the
 266          * server and filling the local file cache of displayed files with data from
 267          * the server, as well.
 268          *
 269          * @param _images
 270          */
 271         public FileList(Images _images, FolderTreeView _treeView) {
 272                 images = _images;
 273         this.treeView = _treeView;
 274
 275         DragAndDropCellTable.Resources resources = GWT.create(TableResources.class);
 276
 277         ProvidesKey<File> keyProvider = new ProvidesKey<File>(){
 278
 279                         @Override
 280                         public Object getKey(File item) {
 281                                 return item.getUri();
 282                         }
 283                 };
 284
 285                 celltable = new DragAndDropCellTable<File>(GSS.VISIBLE_FILE_COUNT, resources, keyProvider);
 286         celltable.setWidth("100%");
 287         celltable.setStyleName("pithos-List");
 288
 289                 DragAndDropColumn<File, ImageResource> status = new DragAndDropColumn<File, ImageResource>(new ImageResourceCell() {
 290                     @Override
 291                 public boolean handlesSelection() {
 292                     return false;
 293                 }
 294                 })
 295         {
 296                  @Override
 297                  public ImageResource getValue(File entity) {
 298                      return getFileIcon(entity);
 299                  }
 300             };
 301             celltable.addColumn(status,"");
 302             initDragOperation(status);
 303
 304         final DragAndDropColumn<File,SafeHtml> nameColumn = new DragAndDropColumn<File,SafeHtml>(new SafeHtmlCell()) {
 305
 306                         @Override
 307                         public SafeHtml getValue(File object) {
 308                                 SafeHtmlBuilder sb = new SafeHtmlBuilder();
 309                 sb.append(Templates.INSTANCE.filenameSpan(object.getName()));
 310                                 if (object.getContentType().endsWith("png") || object.getContentType().endsWith("gif") || object.getContentType().endsWith("jpeg")) {
 311                                 sb.appendHtmlConstant("&nbsp;")
 312                       .append(Templates.INSTANCE.viewLink(object.getUri(), object.getOwner() + " : " + object.getPath() + object.getName()));
 313                                 }
 314
 315                                 return sb.toSafeHtml();
 316                         }
 317
 318                 };
 319         initDragOperation(nameColumn);
 320         celltable.addColumn(nameColumn, nameHeader = new SortableHeader("Name"));
 321                 allHeaders.add(nameHeader);
 322                 nameHeader.setUpdater(new FileValueUpdater(nameHeader, "name"));
 323
 324                 celltable.redrawHeaders();
 325
 326             DragAndDropColumn<File,String> aColumn = new DragAndDropColumn<File, String>(new TextCell()) {
 327                         @Override
 328                         public String getValue(File object) {
 329                                 return object.getOwner();
 330                         }
 331                 };
 332         SortableHeader aheader = new SortableHeader("Owner");
 333                 celltable.addColumn(aColumn, aheader);
 334                 initDragOperation(aColumn);
 335                 allHeaders.add(aheader);
 336         aheader.setUpdater(new FileValueUpdater(aheader, "owner"));
 337
 338         aColumn = new DragAndDropColumn<File,String>(new TextCell()) {
 339                         @Override
 340                         public String getValue(File object) {
 341                                 return object.getPath();
 342                         }
 343                 };
 344         aheader = new SortableHeader("Path");
 345                 celltable.addColumn(aColumn, aheader);
 346                 initDragOperation(aColumn);
 347                 allHeaders.add(aheader);
 348                 aheader.setUpdater(new FileValueUpdater(aheader, "path"));
 349
 350         aColumn = new DragAndDropColumn<File,String>(new TextCell()) {
 351                         @Override
 352                         public String getValue(File object) {
 353                         return String.valueOf(object.getVersion());
 354                         }
 355                 };
 356         aheader = new SortableHeader("Version");
 357                 celltable.addColumn(aColumn, aheader);
 358                 initDragOperation(aColumn);
 359                 allHeaders.add(aheader);
 360                 aheader.setUpdater(new FileValueUpdater(aheader, "version"));
 361
 362         aColumn = new DragAndDropColumn<File,String>(new TextCell()) {
 363                         @Override
 364                         public String getValue(File object) {
 365                                 // TODO Auto-generated method stub
 366                                 return object.getSizeAsString();
 367                         }
 368                 };
 369         aheader = new SortableHeader("Size");
 370         celltable.addColumn(aColumn, aheader);
 371                 initDragOperation(aColumn);
 372                 allHeaders.add(aheader);
 373                 aheader.setUpdater(new FileValueUpdater(aheader, "size"));
 374
 375         aColumn = new DragAndDropColumn<File,String>(new TextCell()) {
 376                         @Override
 377                         public String getValue(File object) {
 378                                 return formatter.format(object.getLastModified());
 379                         }
 380                 };
 381         aheader = new SortableHeader("Last Modified");
 382                 celltable.addColumn(aColumn, aheader);
 383                 allHeaders.add(aheader);
 384                 aheader.setUpdater(new FileValueUpdater(aheader, "date"));
 385
 386                 provider.addDataDisplay(celltable);
 387
 388                 celltable.addDragStopHandler(new DragStopEventHandler() {
 389
 390                 @Override
 391                     public void onDragStop(DragStopEvent event) {
 392                             GWT.log("DRAG STOPPED");
 393                     }
 394             });
 395                 celltable.addDragStartHandler(new DragStartEventHandler() {
 396
 397                     public void onDragStart(DragStartEvent event) {
 398                         FileResource value = event.getDraggableData();
 399
 400                         com.google.gwt.dom.client.Element helper = event.getHelper();
 401                         SafeHtmlBuilder sb = new SafeHtmlBuilder();
 402                         sb.appendHtmlConstant("<b>");
 403                         DisplayHelper.log(value.getName());
 404                         if(getSelectedFiles().size()==1)
 405                                 sb.appendEscaped(value.getName());
 406                         else
 407                                 sb.appendEscaped(getSelectedFiles().size()+" files");
 408                         sb.appendHtmlConstant("</b>");
 409                         helper.setInnerHTML(sb.toSafeHtml().asString());
 410                     }
 411                 });
 412
 413                 VerticalPanel vp = new VerticalPanel();
 414                 vp.setWidth("100%");
 415
 416                 pagerTop = new GssSimplePager(GssSimplePager.TextLocation.CENTER);
 417         pagerTop.setVisible(false);
 418                 pagerTop.setDisplay(celltable);
 419                 uploadButtonTop = new Button("<span id='topMenu.file.upload'>" + AbstractImagePrototype.create(images.fileUpdate()).getHTML() + "&nbsp;Upload</span>");
 420                 uploadButtonTop.addClickHandler(new ClickHandler() {
 421
 422                         @Override
 423                         public void onClick(ClickEvent event) {
 424                                 new UploadFileCommand(null).execute();
 425                         }
 426                 });
 427                 HorizontalPanel topPanel = new HorizontalPanel();
 428                 topPanel.add(pagerTop);
 429                 topPanel.add(uploadButtonTop);
 430                 vp.add(topPanel);
 431
 432         vp.add(celltable);
 433
 434                 pagerBottom = new GssSimplePager(GssSimplePager.TextLocation.CENTER);
 435         pagerBottom.setVisible(false);
 436                 pagerBottom.setDisplay(celltable);
 437                 uploadButtonBottom=new Button("<span id='topMenu.file.upload'>" + AbstractImagePrototype.create(images.fileUpdate()).getHTML() + "&nbsp;Upload</span>");
 438                 uploadButtonBottom.addClickHandler(new ClickHandler() {
 439
 440                         @Override
 441                         public void onClick(ClickEvent event) {
 442                                 new UploadFileCommand(null).execute();
 443                         }
 444                 });
 445         HorizontalPanel bottomPanel = new HorizontalPanel();
 446         bottomPanel.add(pagerBottom);
 447                 bottomPanel.add(uploadButtonBottom);
 448
 449                 vp.add(bottomPanel);
 450                 vp.setCellWidth(celltable, "100%");
 451         vp.addHandler(new ContextMenuHandler() {
 452             @Override
 453             public void onContextMenu(ContextMenuEvent event) {
 454                 contextMenu = new FileContextMenu(images, treeView.getSelection(), false);
 455                 int x = event.getNativeEvent().getClientX();
 456                 int y = event.getNativeEvent().getClientY();
 457                 contextMenu.setPopupPosition(x, y);
 458                 contextMenu.show();
 459             }
 460         }, ContextMenuEvent.getType());
 461                 initWidget(vp);
 462
 463                 selectionModel = new MultiSelectionModel<File>(keyProvider);
 464
 465                  Handler selectionHandler = new SelectionChangeEvent.Handler() {
 466              @Override
 467              public void onSelectionChange(SelectionChangeEvent event) {
 468                  if(getSelectedFiles().size() == 1)
 469                          GSS.get().setCurrentSelection(getSelectedFiles().get(0));
 470                  else
 471                          GSS.get().setCurrentSelection(getSelectedFiles());
 472              }
 473          };
 474          selectionModel.addSelectionChangeHandler(selectionHandler);
 475
 476                 celltable.setSelectionModel(selectionModel, GSSSelectionEventManager.<File> createDefaultManager());
 477                 celltable.setPageSize(GSS.VISIBLE_FILE_COUNT);
 478
 479                 sinkEvents(Event.ONCONTEXTMENU);
 480                 sinkEvents(Event.ONMOUSEUP);
 481                 sinkEvents(Event.ONMOUSEDOWN);
 482                 sinkEvents(Event.ONCLICK);
 483                 sinkEvents(Event.ONKEYDOWN);
 484                 sinkEvents(Event.ONDBLCLICK);
 485                 GSS.preventIESelection();
 486         }
 487
 488         public List<File> getSelectedFiles() {
 489         return new ArrayList<File>(selectionModel.getSelectedSet());
 490         }
 491
 492         private void initDragOperation(DragAndDropColumn<?, ?> column) {
 493         // retrieve draggableOptions on the column
 494                 DraggableOptions draggableOptions = column.getDraggableOptions();
 495                 // use template to construct the helper. The content of the div will be set
 496                 // after
 497                 draggableOptions.setHelper($(Templates.INSTANCE.outerHelper().asString()));
 498                 //draggableOptions.setZIndex(100);
 499                 // opacity of the helper
 500                 draggableOptions.setAppendTo("body");
 501                 //draggableOptions.setOpacity((float) 0.8);
 502                 draggableOptions.setContainment("document");
 503                 // cursor to use during the drag operation
 504                 draggableOptions.setCursor(Cursor.MOVE);
 505                 // set the revert option
 506                 draggableOptions.setRevert(RevertOption.ON_INVALID_DROP);
 507                 // prevents dragging when user click on the category drop-down list
 508                 draggableOptions.setCancel("select");
 509             draggableOptions.setOnBeforeDragStart(new DragFunction() {
 510                         @Override
 511                         public void f(DragContext context) {
 512                         File value = context.getDraggableData();
 513                                 if (!selectionModel.isSelected(value)) {
 514                         throw new StopDragException();
 515                     }
 516                         }
 517                 });
 518     }
 519
 520 //      @Override
 521 //      public void onBrowserEvent(Event event) {
 522 //
 523 //              if (files == null || files.size() == 0) {
 524 //                      if (DOM.eventGetType(event) == Event.ONCONTEXTMENU && getSelectedFiles().size() == 0) {
 525 //                              contextMenu = new FileContextMenu(images, false, true);
 526 //                contextMenu.show();
 527 //                              event.preventDefault();
 528 //                              event.cancelBubble(true);
 529 //                      }
 530 //                      return;
 531 //              }
 532 //              if (DOM.eventGetType(event) == Event.ONCONTEXTMENU && getSelectedFiles().size() != 0) {
 533 //                      GWT.log("*****GOING TO SHOW CONTEXT MENU ****", null);
 534 //                      contextMenu =  new FileContextMenu(images, false, false);
 535 //                      contextMenu = contextMenu.onEvent(event);
 536 //                      event.cancelBubble(true);
 537 //                      event.preventDefault();
 538 //              } else if (DOM.eventGetType(event) == Event.ONCONTEXTMENU && getSelectedFiles().size() == 0) {
 539 //                      contextMenu = new FileContextMenu(images, false, true);
 540 //                      contextMenu = contextMenu.onEmptyEvent(event);
 541 //                      event.cancelBubble(true);
 542 //                      event.preventDefault();
 543 //              } else if (DOM.eventGetType(event) == Event.ONDBLCLICK)
 544 //                      if (getSelectedFiles().size() == 1) {
 545 //                              GSS app = GSS.get();
 546 //                              File file = getSelectedFiles().get(0);
 547 //                              Window.open(file.getUri(), "_blank", "");
 548 //                              event.preventDefault();
 549 //                              return;
 550 //                      }
 551 //              super.onBrowserEvent(event);
 552 //      }
 553
 554         /**
 555          * Update the display of the file list.
 556          */
 557         void update(boolean sort) {
 558                 int count = folderFileCount;
 559                 int max = startIndex + GSS.VISIBLE_FILE_COUNT;
 560                 if (max > count)
 561                         max = count;
 562                 folderTotalSize = 0;
 563
 564                 for(File f : files){
 565                         folderTotalSize += f.getBytes();
 566                 }
 567                 if (folderFileCount == 0) {
 568                         showingStats = "no files";
 569                 } else if (folderFileCount < GSS.VISIBLE_FILE_COUNT) {
 570                         if (folderFileCount == 1)
 571                                 showingStats = "1 file";
 572                         else
 573                                 showingStats = folderFileCount + " files";
 574                         showingStats += " (" + FileResource.getFileSizeAsString(folderTotalSize) + ")";
 575                 } else {
 576                         showingStats = "" + (startIndex + 1) + " - " + max + " of " + count + " files" + " (" + FileResource.getFileSizeAsString(folderTotalSize) + ")";
 577                 }
 578                 showCellTable();
 579                 updateCurrentlyShowingStats();
 580
 581         }
 582
 583         /**
 584          * Return the proper icon based on the MIME type of the file.
 585          *
 586          * @param file
 587          * @return the icon
 588          */
 589         private ImageResource getFileIcon(File file) {
 590                 String mimetype = file.getContentType();
 591                 boolean shared = file.isShared();
 592                 if (mimetype == null)
 593                         return shared ? images.documentShared() : images.document();
 594                 mimetype = mimetype.toLowerCase();
 595                 if (mimetype.startsWith("application/pdf"))
 596                         return shared ? images.pdfShared() : images.pdf();
 597                 else if (mimetype.endsWith("excel"))
 598                         return shared ? images.spreadsheetShared() : images.spreadsheet();
 599                 else if (mimetype.endsWith("msword"))
 600                         return shared ? images.wordprocessorShared() : images.wordprocessor();
 601                 else if (mimetype.endsWith("powerpoint"))
 602                         return shared ? images.presentationShared() : images.presentation();
 603                 else if (mimetype.startsWith("application/zip") ||
 604                                         mimetype.startsWith("application/gzip") ||
 605                                         mimetype.startsWith("application/x-gzip") ||
 606                                         mimetype.startsWith("application/x-tar") ||
 607                                         mimetype.startsWith("application/x-gtar"))
 608                         return shared ? images.zipShared() : images.zip();
 609                 else if (mimetype.startsWith("text/html"))
 610                         return shared ? images.htmlShared() : images.html();
 611                 else if (mimetype.startsWith("text/plain"))
 612                         return shared ? images.txtShared() : images.txt();
 613                 else if (mimetype.startsWith("image/"))
 614                         return shared ? images.imageShared() : images.image();
 615                 else if (mimetype.startsWith("video/"))
 616                         return shared ? images.videoShared() : images.video();
 617                 else if (mimetype.startsWith("audio/"))
 618                         return shared ? images.audioShared() : images.audio();
 619                 return shared ? images.documentShared() : images.document();
 620         }
 621
 622         /**
 623          * Update status panel with currently showing file stats.
 624          */
 625         public void updateCurrentlyShowingStats() {
 626                 GSS.get().getStatusPanel().updateCurrentlyShowing(showingStats);
 627         }
 628
 629         /**
 630          * Fill the file cache with data.
 631          */
 632         public void setFiles(final List<File> _files) {
 633                 files = new ArrayList<File>();
 634         for (File fres : _files)
 635                 if (!fres.isInTrash())
 636                                 files.add(fres);
 637                 Collections.sort(files, new Comparator<File>() {
 638
 639                         @Override
 640                         public int compare(File arg0, File arg1) {
 641                                 return arg0.getName().compareTo(arg1.getName());
 642                         }
 643
 644                 });
 645                 folderFileCount = files.size();
 646
 647                 nameHeader.setSorted(true);
 648                 nameHeader.toggleReverseSort();
 649                 for (SortableHeader otherHeader : allHeaders) {
 650                 if (otherHeader != nameHeader) {
 651                     otherHeader.setSorted(false);
 652                     otherHeader.setReverseSort(true);
 653                 }
 654             }
 655
 656         if(files.size() > GSS.VISIBLE_FILE_COUNT){
 657             pagerBottom.setVisible(true);
 658             pagerTop.setVisible(true);
 659         }
 660         else{
 661             pagerTop.setVisible(false);
 662             pagerBottom.setVisible(false);
 663         }
 664         Folder selectedItem = treeView.getSelection();
 665
 666         provider.setList(files);
 667         }
 668
 669         /**
 670          * Does the list contains the requested filename
 671          *
 672          * @param fileName
 673          * @return true/false
 674          */
 675         public boolean contains(String fileName) {
 676                 for (int i = 0; i < files.size(); i++)
 677                         if (files.get(i).getName().equals(fileName))
 678                                 return true;
 679                 return false;
 680         }
 681
 682         public void clearSelectedRows() {
 683                 Iterator<File> it = selectionModel.getSelectedSet().iterator();
 684                 while(it.hasNext()){
 685                         selectionModel.setSelected(it.next(),false);
 686                 }
 687         }
 688
 689
 690         /**
 691          *
 692          */
 693         public void selectAllRows() {
 694                 Iterator<File> it = provider.getList().iterator();
 695                 while(it.hasNext()){
 696                         selectionModel.setSelected(it.next(),true);
 697                 }
 698
 699
 700         }
 701
 702
 703         private void sortFiles(final String sortingProperty, final boolean sortingType){
 704                 Collections.sort(files, new Comparator<File>() {
 705
 706             @Override
 707             public int compare(File arg0, File arg1) {
 708                     AbstractImagePrototype descPrototype = AbstractImagePrototype.create(images.desc());
 709                     AbstractImagePrototype ascPrototype = AbstractImagePrototype.create(images.asc());
 710                     if (sortingType){
 711                             if (sortingProperty.equals("version")) {
 712                                     return arg0.getVersion() - arg1.getVersion();
 713                             } else if (sortingProperty.equals("owner")) {
 714                                     return arg0.getOwner().compareTo(arg1.getOwner());
 715                             } else if (sortingProperty.equals("date")) {
 716                                     return arg0.getLastModified().compareTo(arg1.getLastModified());
 717                             } else if (sortingProperty.equals("size")) {
 718                                     return (int) (arg0.getBytes() - arg1.getBytes());
 719                             } else if (sortingProperty.equals("name")) {
 720                                     return arg0.getName().compareTo(arg1.getName());
 721                             } else if (sortingProperty.equals("path")) {
 722                                     return arg0.getUri().compareTo(arg1.getUri());
 723                             } else {
 724                                     return arg0.getName().compareTo(arg1.getName());
 725                             }
 726                     }
 727                     else if (sortingProperty.equals("version")) {
 728
 729                             return arg1.getVersion() - arg0.getVersion();
 730                     } else if (sortingProperty.equals("owner")) {
 731
 732                             return arg1.getOwner().compareTo(arg0.getOwner());
 733                     } else if (sortingProperty.equals("date")) {
 734
 735                             return arg1.getLastModified().compareTo(arg0.getLastModified());
 736                     } else if (sortingProperty.equals("size")) {
 737                             return (int) (arg1.getBytes() - arg0.getBytes());
 738                     } else if (sortingProperty.equals("name")) {
 739
 740                             return arg1.getName().compareTo(arg0.getName());
 741                     } else if (sortingProperty.equals("path")) {
 742
 743                             return arg1.getUri().compareTo(arg0.getUri());
 744                     } else {
 745
 746                             return arg1.getName().compareTo(arg0.getName());
 747                     }
 748             }
 749
 750                 });
 751         }
 752
 753         final class FileValueUpdater implements ValueUpdater<String>{
 754                 private String property;
 755                 private SortableHeader header;
 756                 /**
 757                  *
 758                  */
 759                 public FileValueUpdater(SortableHeader header,String property) {
 760                         this.property=property;
 761                         this.header=header;
 762                 }
 763                 @Override
 764                 public void update(String value) {
 765                         header.setSorted(true);
 766                         header.toggleReverseSort();
 767
 768                 for (SortableHeader otherHeader : allHeaders) {
 769                   if (otherHeader != header) {
 770                     otherHeader.setSorted(false);
 771                     otherHeader.setReverseSort(true);
 772                   }
 773                 }
 774                 celltable.redrawHeaders();
 775                 sortFiles(property, header.getReverseSort());
 776                 FileList.this.update(true);
 777                 }
 778
 779         }
 780
 781         /**
 782          * Shows the files in the cellTable
 783      */
 784         private void showCellTable(){
 785                 if(files.size()>GSS.VISIBLE_FILE_COUNT){
 786                         pagerBottom.setVisible(true);
 787                         pagerTop.setVisible(true);
 788                 }
 789                 else{
 790                         pagerTop.setVisible(false);
 791                         pagerBottom.setVisible(false);
 792                 }
 793                 provider.setList(files);
 794
 795                 provider.refresh();
 796
 797                 //celltable.redraw();
 798                 celltable.redrawHeaders();
 799         }
 800 }