code.grnet.gr Git - pithos-web-client/blob - 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 gr.grnet.pithos.web.client.foldertree.File;
  39 import gr.grnet.pithos.web.client.foldertree.Folder;
  40 import gr.grnet.pithos.web.client.foldertree.FolderTreeView;
  41
  42 import java.util.ArrayList;
  43 import java.util.Collections;
  44 import java.util.Comparator;
  45 import java.util.Iterator;
  46 import java.util.List;
  47
  48 import com.google.gwt.cell.client.ImageResourceCell;
  49 import com.google.gwt.cell.client.SafeHtmlCell;
  50 import com.google.gwt.cell.client.TextCell;
  51 import com.google.gwt.cell.client.ValueUpdater;
  52 import com.google.gwt.core.client.GWT;
  53 import com.google.gwt.event.dom.client.ContextMenuEvent;
  54 import com.google.gwt.event.dom.client.ContextMenuHandler;
  55 import com.google.gwt.i18n.client.DateTimeFormat;
  56 import com.google.gwt.resources.client.ImageResource;
  57 import com.google.gwt.safehtml.client.SafeHtmlTemplates;
  58 import com.google.gwt.safehtml.client.SafeHtmlTemplates.Template;
  59 import com.google.gwt.safehtml.shared.SafeHtml;
  60 import com.google.gwt.safehtml.shared.SafeHtmlBuilder;
  61 import com.google.gwt.user.cellview.client.CellTable;
  62 import com.google.gwt.user.cellview.client.Column;
  63 import com.google.gwt.user.client.Event;
  64 import com.google.gwt.user.client.Window;
  65 import com.google.gwt.user.client.ui.Composite;
  66 import com.google.gwt.user.client.ui.VerticalPanel;
  67 import com.google.gwt.view.client.ListDataProvider;
  68 import com.google.gwt.view.client.MultiSelectionModel;
  69 import com.google.gwt.view.client.ProvidesKey;
  70
  71 /**
  72  * A composite that displays the list of files in a particular folder.
  73  */
  74 public class FileList extends Composite {
  75
  76         ListDataProvider<File> provider = new ListDataProvider<File>();
  77
  78     /**
  79        * The styles applied to the table.
  80        */
  81     interface TableStyle extends CellTable.Style {
  82     }
  83
  84         interface TableResources extends CellTable.Resources {
  85             @Override
  86                 @Source({CellTable.Style.DEFAULT_CSS, "PithosCellTable.css"})
  87             TableStyle cellTableStyle();
  88         }
  89
  90         static interface Templates extends SafeHtmlTemplates {
  91             Templates INSTANCE = GWT.create(Templates.class);
  92
  93             @Template("<div id='dragHelper' style='border:1px solid black; background-color:#ffffff; color:black; width:150px;z-index:100'></div>")
  94             SafeHtml outerHelper();
  95
  96         @Template("<span id='{0}'>{0}</span>")
  97         public SafeHtml filenameSpan(String filename);
  98
  99         @Template("<a href='{0}' title='{1}' rel='lytebox[mnf]' onclick='myLytebox.start(this, false, false); return false;'>(view)</a>")
 100         public SafeHtml viewLink(String link, String title);
 101
 102         @Template("<table><tr><td rowspan='3'>{0}</td><td style='font-size:95%;' id='{1}'>{1}</td></tr><tr><td>{2}</td></tr></table>")
 103         public SafeHtml rendelContactCell(String imageHtml, String name, String fileSize);
 104
 105         @Template("<span id='{0}' class='{1}'>{2}</span>")
 106         public SafeHtml spanWithIdAndClass(String id, String cssClass, String content);
 107         }
 108
 109         protected final DateTimeFormat formatter = DateTimeFormat.getFormat("d/M/yyyy h:mm a");
 110
 111         /**
 112          * Specifies that the images available for this composite will be the ones
 113          * available in FileContextMenu.
 114          */
 115         public interface Images extends FolderTreeView.Images {
 116
 117                 @Source("gr/grnet/pithos/resources/blank.gif")
 118                 ImageResource blank();
 119
 120                 @Source("gr/grnet/pithos/resources/asc.png")
 121                 ImageResource asc();
 122
 123                 @Source("gr/grnet/pithos/resources/desc.png")
 124                 ImageResource desc();
 125
 126                 @Source("gr/grnet/pithos/resources/mimetypes/document_shared.png")
 127                 ImageResource documentShared();
 128
 129                 @Source("gr/grnet/pithos/resources/mimetypes/kcmfontinst.png")
 130                 ImageResource wordprocessor();
 131
 132                 @Source("gr/grnet/pithos/resources/mimetypes/log.png")
 133                 ImageResource spreadsheet();
 134
 135                 @Source("gr/grnet/pithos/resources/mimetypes/kpresenter_kpr.png")
 136                 ImageResource presentation();
 137
 138                 @Source("gr/grnet/pithos/resources/mimetypes/acroread.png")
 139                 ImageResource pdf();
 140
 141                 @Source("gr/grnet/pithos/resources/mimetypes/image.png")
 142                 ImageResource image();
 143
 144                 @Source("gr/grnet/pithos/resources/mimetypes/video2.png")
 145                 ImageResource video();
 146
 147                 @Source("gr/grnet/pithos/resources/mimetypes/knotify.png")
 148                 ImageResource audio();
 149
 150                 @Source("gr/grnet/pithos/resources/mimetypes/html.png")
 151                 ImageResource html();
 152
 153                 @Source("gr/grnet/pithos/resources/mimetypes/txt.png")
 154                 ImageResource txt();
 155
 156                 @Source("gr/grnet/pithos/resources/mimetypes/ark2.png")
 157                 ImageResource zip();
 158
 159                 @Source("gr/grnet/pithos/resources/mimetypes/kcmfontinst_shared.png")
 160                 ImageResource wordprocessorShared();
 161
 162                 @Source("gr/grnet/pithos/resources/mimetypes/log_shared.png")
 163                 ImageResource spreadsheetShared();
 164
 165                 @Source("gr/grnet/pithos/resources/mimetypes/kpresenter_kpr_shared.png")
 166                 ImageResource presentationShared();
 167
 168                 @Source("gr/grnet/pithos/resources/mimetypes/acroread_shared.png")
 169                 ImageResource pdfShared();
 170
 171                 @Source("gr/grnet/pithos/resources/mimetypes/image_shared.png")
 172                 ImageResource imageShared();
 173
 174                 @Source("gr/grnet/pithos/resources/mimetypes/video2_shared.png")
 175                 ImageResource videoShared();
 176
 177                 @Source("gr/grnet/pithos/resources/mimetypes/knotify_shared.png")
 178                 ImageResource audioShared();
 179
 180                 @Source("gr/grnet/pithos/resources/mimetypes/html_shared.png")
 181                 ImageResource htmlShared();
 182
 183                 @Source("gr/grnet/pithos/resources/mimetypes/txt_shared.png")
 184                 ImageResource txtShared();
 185
 186                 @Source("gr/grnet/pithos/resources/mimetypes/ark2_shared.png")
 187                 ImageResource zipShared();
 188
 189         }
 190
 191         /**
 192          * The number of files in this folder.
 193          */
 194         int folderFileCount;
 195
 196         /**
 197          * Total folder size
 198          */
 199         long folderTotalSize;
 200
 201         /**
 202          * A cache of the files in the list.
 203          */
 204         private List<File> files;
 205
 206         /**
 207          * The widget's image bundle.
 208          */
 209         protected final Images images;
 210
 211         protected CellTable<File> celltable;
 212
 213         private final MultiSelectionModel<File> selectionModel;
 214
 215         protected final List<SortableHeader> allHeaders = new ArrayList<SortableHeader>();
 216
 217         SortableHeader nameHeader;
 218
 219     FolderTreeView treeView;
 220
 221     protected Pithos app;
 222
 223     /**
 224          * Construct the file list widget. This entails setting up the widget
 225          * layout, fetching the number of files in the current folder from the
 226          * server and filling the local file cache of displayed files with data from
 227          * the server, as well.
 228          *
 229          * @param _images
 230          */
 231         public FileList(final Pithos _app, Images _images, FolderTreeView _treeView) {
 232         app = _app;
 233                 images = _images;
 234         this.treeView = _treeView;
 235
 236         CellTable.Resources resources = GWT.create(TableResources.class);
 237
 238         ProvidesKey<File> keyProvider = new ProvidesKey<File>(){
 239
 240                         @Override
 241                         public Object getKey(File item) {
 242                                 return item.getUri();
 243                         }
 244                 };
 245
 246                 celltable = new CellTable<File>(10, resources, keyProvider);
 247         celltable.setWidth("100%");
 248         celltable.setStyleName("pithos-List");
 249
 250                 Column<File, ImageResource> status = new Column<File, ImageResource>(new ImageResourceCell() {
 251                     @Override
 252                 public boolean handlesSelection() {
 253                     return false;
 254                 }
 255                 })
 256         {
 257                  @Override
 258                  public ImageResource getValue(File entity) {
 259                      return getFileIcon(entity);
 260                  }
 261             };
 262             celltable.addColumn(status,"");
 263
 264         final Column<File,SafeHtml> nameColumn = new Column<File,SafeHtml>(new SafeHtmlCell()) {
 265
 266                         @Override
 267                         public SafeHtml getValue(File object) {
 268                                 SafeHtmlBuilder sb = new SafeHtmlBuilder();
 269                 sb.append(Templates.INSTANCE.filenameSpan(object.getName()));
 270                                 if (object.getContentType().endsWith("png") || object.getContentType().endsWith("gif") || object.getContentType().endsWith("jpeg")) {
 271                                 sb.appendHtmlConstant("&nbsp;")
 272                       .append(Templates.INSTANCE.viewLink(app.getApiPath() + object.getOwner() + object.getUri() + "?X-Auth-Token=" + app.getToken(), object.getName()));
 273                                 }
 274
 275                                 return sb.toSafeHtml();
 276                         }
 277
 278                 };
 279         celltable.addColumn(nameColumn, nameHeader = new SortableHeader("Name"));
 280                 allHeaders.add(nameHeader);
 281                 nameHeader.setUpdater(new FileValueUpdater(nameHeader, "name"));
 282
 283                 celltable.redrawHeaders();
 284
 285         Column<File,String> aColumn = new Column<File,String>(new TextCell()) {
 286                         @Override
 287                         public String getValue(File object) {
 288                                 // TODO Auto-generated method stub
 289                                 return object.getSizeAsString();
 290                         }
 291                 };
 292         SortableHeader aheader = new SortableHeader("Size");
 293         celltable.addColumn(aColumn, aheader);
 294                 allHeaders.add(aheader);
 295                 aheader.setUpdater(new FileValueUpdater(aheader, "size"));
 296
 297         aColumn = new Column<File,String>(new TextCell()) {
 298                         @Override
 299                         public String getValue(File object) {
 300                                 return object.getLastModified() != null ? formatter.format(object.getLastModified()) : "";
 301                         }
 302                 };
 303         aheader = new SortableHeader("Last Modified");
 304                 celltable.addColumn(aColumn, aheader);
 305                 allHeaders.add(aheader);
 306                 aheader.setUpdater(new FileValueUpdater(aheader, "date"));
 307
 308                 provider.addDataDisplay(celltable);
 309
 310                 VerticalPanel vp = new VerticalPanel();
 311                 vp.setWidth("100%");
 312                 vp.addStyleName("pithos-FileListContainer");
 313
 314         vp.add(celltable);
 315
 316                 vp.setCellWidth(celltable, "100%");
 317         vp.addHandler(new ContextMenuHandler() {
 318             @Override
 319             public void onContextMenu(ContextMenuEvent event) {
 320                 TreeView tree = app.getSelectedTree();
 321                 if (tree != null && (tree.equals(app.getFolderTreeView()) || tree.equals(app.getOtherSharedTreeView()))) {
 322                         Folder selectedFolder = app.getSelection();
 323                         FileContextMenu contextMenu = new FileContextMenu(app, images, tree, selectedFolder, getSelectedFiles());
 324                         int x = event.getNativeEvent().getClientX();
 325                         int y = event.getNativeEvent().getClientY();
 326                         contextMenu.setPopupPosition(x, y);
 327                         contextMenu.show();
 328                 }
 329             }
 330         }, ContextMenuEvent.getType());
 331                 initWidget(vp);
 332
 333                 selectionModel = new MultiSelectionModel<File>(keyProvider);
 334
 335                 celltable.setSelectionModel(selectionModel, PithosSelectionEventManager.<File> createDefaultManager());
 336 //              celltable.setPageSize(Pithos.VISIBLE_FILE_COUNT);
 337
 338                 sinkEvents(Event.ONCONTEXTMENU);
 339 //              sinkEvents(Event.ONMOUSEUP);
 340 //              sinkEvents(Event.ONMOUSEDOWN);
 341 //              sinkEvents(Event.ONCLICK);
 342 //              sinkEvents(Event.ONKEYDOWN);
 343 //              sinkEvents(Event.ONDBLCLICK);
 344                 Pithos.preventIESelection();
 345         }
 346
 347         public List<File> getSelectedFiles() {
 348         return new ArrayList<File>(selectionModel.getSelectedSet());
 349         }
 350
 351 //      @Override
 352 //      public void onBrowserEvent(Event event) {
 353 //
 354 //              if (files == null || files.size() == 0) {
 355 //                      if (DOM.eventGetType(event) == Event.ONCONTEXTMENU && getSelectedFiles().size() == 0) {
 356 //                              contextMenu = new FileContextMenu(images, false, true);
 357 //                contextMenu.show();
 358 //                              event.preventDefault();
 359 //                              event.cancelBubble(true);
 360 //                      }
 361 //                      return;
 362 //              }
 363 //              if (DOM.eventGetType(event) == Event.ONCONTEXTMENU && getSelectedFiles().size() != 0) {
 364 //                      GWT.log("*****GOING TO SHOW CONTEXT MENU ****", null);
 365 //                      contextMenu =  new FileContextMenu(images, false, false);
 366 //                      contextMenu = contextMenu.onEvent(event);
 367 //                      event.cancelBubble(true);
 368 //                      event.preventDefault();
 369 //              } else if (DOM.eventGetType(event) == Event.ONCONTEXTMENU && getSelectedFiles().size() == 0) {
 370 //                      contextMenu = new FileContextMenu(images, false, true);
 371 //                      contextMenu = contextMenu.onEmptyEvent(event);
 372 //                      event.cancelBubble(true);
 373 //                      event.preventDefault();
 374 //              } else if (DOM.eventGetType(event) == Event.ONDBLCLICK)
 375 //                      if (getSelectedFiles().size() == 1) {
 376 //                              Pithos app = app;
 377 //                              File file = getSelectedFiles().get(0);
 378 //                              Window.open(file.getUri(), "_blank", "");
 379 //                              event.preventDefault();
 380 //                              return;
 381 //                      }
 382 //              super.onBrowserEvent(event);
 383 //      }
 384
 385         /**
 386          * Update the display of the file list.
 387          */
 388         void update(@SuppressWarnings("unused") boolean sort) {
 389                 showCellTable();
 390         }
 391
 392         /**
 393          * Return the proper icon based on the MIME type of the file.
 394          *
 395          * @param file
 396          * @return the icon
 397          */
 398         protected ImageResource getFileIcon(File file) {
 399                 String mimetype = file.getContentType();
 400                 boolean shared = file.isShared();
 401                 if (mimetype == null)
 402                         return shared ? images.documentShared() : images.document();
 403                 mimetype = mimetype.toLowerCase();
 404                 if (mimetype.startsWith("application/pdf"))
 405                         return shared ? images.pdfShared() : images.pdf();
 406                 else if (mimetype.endsWith("excel"))
 407                         return shared ? images.spreadsheetShared() : images.spreadsheet();
 408                 else if (mimetype.endsWith("msword"))
 409                         return shared ? images.wordprocessorShared() : images.wordprocessor();
 410                 else if (mimetype.endsWith("powerpoint"))
 411                         return shared ? images.presentationShared() : images.presentation();
 412                 else if (mimetype.startsWith("application/zip") ||
 413                                         mimetype.startsWith("application/gzip") ||
 414                                         mimetype.startsWith("application/x-gzip") ||
 415                                         mimetype.startsWith("application/x-tar") ||
 416                                         mimetype.startsWith("application/x-gtar"))
 417                         return shared ? images.zipShared() : images.zip();
 418                 else if (mimetype.startsWith("text/html"))
 419                         return shared ? images.htmlShared() : images.html();
 420                 else if (mimetype.startsWith("text/plain"))
 421                         return shared ? images.txtShared() : images.txt();
 422                 else if (mimetype.startsWith("image/"))
 423                         return shared ? images.imageShared() : images.image();
 424                 else if (mimetype.startsWith("video/"))
 425                         return shared ? images.videoShared() : images.video();
 426                 else if (mimetype.startsWith("audio/"))
 427                         return shared ? images.audioShared() : images.audio();
 428                 return shared ? images.documentShared() : images.document();
 429         }
 430
 431         /**
 432          * Fill the file cache with data.
 433          */
 434         public void setFiles(final List<File> _files) {
 435                 files = new ArrayList<File>();
 436         for (File fres : _files)
 437                         files.add(fres);
 438                 Collections.sort(files, new Comparator<File>() {
 439
 440                         @Override
 441                         public int compare(File arg0, File arg1) {
 442                                 return arg0.getName().compareTo(arg1.getName());
 443                         }
 444
 445                 });
 446                 folderFileCount = files.size();
 447
 448                 nameHeader.setSorted(true);
 449                 nameHeader.toggleReverseSort();
 450                 for (SortableHeader otherHeader : allHeaders) {
 451                 if (otherHeader != nameHeader) {
 452                     otherHeader.setSorted(false);
 453                     otherHeader.setReverseSort(true);
 454                 }
 455             }
 456
 457         provider.setList(files);
 458         selectionModel.clear();
 459         app.showFolderStatistics(folderFileCount);
 460         celltable.setPageSize(folderFileCount);
 461         }
 462
 463         /**
 464          * Does the list contains the requested filename
 465          *
 466          * @param fileName
 467          * @return true/false
 468          */
 469         public boolean contains(String fileName) {
 470                 for (int i = 0; i < files.size(); i++)
 471                         if (files.get(i).getName().equals(fileName))
 472                                 return true;
 473                 return false;
 474         }
 475
 476         public void clearSelectedRows() {
 477                 Iterator<File> it = selectionModel.getSelectedSet().iterator();
 478                 while(it.hasNext()){
 479                         selectionModel.setSelected(it.next(),false);
 480                 }
 481         }
 482
 483         /**
 484          *
 485          */
 486         public void selectAllRows() {
 487                 Iterator<File> it = provider.getList().iterator();
 488                 while(it.hasNext()){
 489                         selectionModel.setSelected(it.next(),true);
 490                 }
 491         }
 492
 493         protected void sortFiles(final String sortingProperty, final boolean sortingType){
 494                 Collections.sort(files, new Comparator<File>() {
 495
 496             @Override
 497             public int compare(File arg0, File arg1) {
 498                     if (sortingType){
 499                             if (sortingProperty.equals("version")) {
 500                                     return arg0.getVersion() - arg1.getVersion();
 501                             } else if (sortingProperty.equals("owner")) {
 502                                     return arg0.getOwner().compareTo(arg1.getOwner());
 503                             } else if (sortingProperty.equals("date")) {
 504                                         if (arg0.getLastModified() != null && arg1.getLastModified() != null)
 505                                                 return arg0.getLastModified().compareTo(arg1.getLastModified());
 506                                         return 0;
 507                             } else if (sortingProperty.equals("size")) {
 508                                     return (int) (arg0.getBytes() - arg1.getBytes());
 509                             } else if (sortingProperty.equals("name")) {
 510                                     return arg0.getName().compareTo(arg1.getName());
 511                             } else if (sortingProperty.equals("path")) {
 512                                     return arg0.getUri().compareTo(arg1.getUri());
 513                             } else {
 514                                     return arg0.getName().compareTo(arg1.getName());
 515                             }
 516                     }
 517                     else if (sortingProperty.equals("version")) {
 518
 519                             return arg1.getVersion() - arg0.getVersion();
 520                     } else if (sortingProperty.equals("owner")) {
 521
 522                             return arg1.getOwner().compareTo(arg0.getOwner());
 523                     } else if (sortingProperty.equals("date")) {
 524
 525                             return arg1.getLastModified().compareTo(arg0.getLastModified());
 526                     } else if (sortingProperty.equals("size")) {
 527                             return (int) (arg1.getBytes() - arg0.getBytes());
 528                     } else if (sortingProperty.equals("name")) {
 529
 530                             return arg1.getName().compareTo(arg0.getName());
 531                     } else if (sortingProperty.equals("path")) {
 532
 533                             return arg1.getUri().compareTo(arg0.getUri());
 534                     } else {
 535
 536                             return arg1.getName().compareTo(arg0.getName());
 537                     }
 538             }
 539
 540                 });
 541         }
 542
 543         final class FileValueUpdater implements ValueUpdater<String>{
 544                 private String property;
 545                 private SortableHeader header;
 546                 /**
 547                  *
 548                  */
 549                 public FileValueUpdater(SortableHeader header,String property) {
 550                         this.property=property;
 551                         this.header=header;
 552                 }
 553                 @Override
 554                 public void update(@SuppressWarnings("unused") String value) {
 555                         header.setSorted(true);
 556                         header.toggleReverseSort();
 557
 558                 for (SortableHeader otherHeader : allHeaders) {
 559                   if (otherHeader != header) {
 560                     otherHeader.setSorted(false);
 561                     otherHeader.setReverseSort(true);
 562                   }
 563                 }
 564                 celltable.redrawHeaders();
 565                 sortFiles(property, header.getReverseSort());
 566                 FileList.this.update(true);
 567                 }
 568
 569         }
 570
 571         /**
 572          * Shows the files in the cellTable
 573      */
 574         private void showCellTable(){
 575                 provider.setList(files);
 576
 577                 provider.refresh();
 578
 579                 //celltable.redraw();
 580                 celltable.redrawHeaders();
 581         }
 582 }