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 com.google.gwt.event.dom.client.ContextMenuEvent;
  39 import com.google.gwt.event.dom.client.ContextMenuHandler;
  40
  41 import com.google.gwt.user.cellview.client.Column;
  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
  47 import java.util.ArrayList;
  48 import java.util.Collections;
  49 import java.util.Comparator;
  50 import java.util.Iterator;
  51 import java.util.List;
  52
  53 import com.google.gwt.cell.client.ImageResourceCell;
  54 import com.google.gwt.cell.client.SafeHtmlCell;
  55 import com.google.gwt.cell.client.TextCell;
  56 import com.google.gwt.cell.client.ValueUpdater;
  57 import com.google.gwt.core.client.GWT;
  58 import com.google.gwt.dom.client.Style.Cursor;
  59 import com.google.gwt.event.dom.client.ClickEvent;
  60 import com.google.gwt.event.dom.client.ClickHandler;
  61 import com.google.gwt.i18n.client.DateTimeFormat;
  62 import com.google.gwt.resources.client.ClientBundle;
  63 import com.google.gwt.resources.client.ImageResource;
  64 import com.google.gwt.safehtml.client.SafeHtmlTemplates;
  65 import com.google.gwt.safehtml.shared.SafeHtml;
  66 import com.google.gwt.safehtml.shared.SafeHtmlBuilder;
  67 import com.google.gwt.user.cellview.client.CellTable;
  68 import com.google.gwt.user.cellview.client.GssSimplePager;
  69 import com.google.gwt.user.client.Event;
  70 import com.google.gwt.user.client.ui.AbstractImagePrototype;
  71 import com.google.gwt.user.client.ui.Button;
  72 import com.google.gwt.user.client.ui.Composite;
  73 import com.google.gwt.user.client.ui.HorizontalPanel;
  74 import com.google.gwt.user.client.ui.VerticalPanel;
  75 import com.google.gwt.view.client.ListDataProvider;
  76 import com.google.gwt.view.client.MultiSelectionModel;
  77 import com.google.gwt.view.client.ProvidesKey;
  78 import com.google.gwt.view.client.SelectionChangeEvent;
  79 import com.google.gwt.view.client.SelectionChangeEvent.Handler;
  80
  81 /**
  82  * A composite that displays the list of files in a particular folder.
  83  */
  84 public class FileList extends Composite {
  85
  86         ListDataProvider<File> provider = new ListDataProvider<File>();
  87
  88     /**
  89        * The styles applied to the table.
  90        */
  91     interface TableStyle extends CellTable.Style {
  92     }
  93
  94         interface TableResources extends CellTable.Resources {
  95             @Source({CellTable.Style.DEFAULT_CSS, "GssCellTable.css"})
  96             TableStyle cellTableStyle();
  97         }
  98
  99         static interface Templates extends SafeHtmlTemplates {
 100             Templates INSTANCE = GWT.create(Templates.class);
 101
 102             @Template("<div id='dragHelper' style='border:1px solid black; background-color:#ffffff; color:black; width:150px;z-index:100'></div>")
 103             SafeHtml outerHelper();
 104
 105         @Template("<span id='{0}'>{0}</span>")
 106         public SafeHtml filenameSpan(String filename);
 107
 108         @Template("<a href='{0}' title='{1}' rel='lytebox[mnf]' onclick='myLytebox.start(this, false, false); return false;'>(view)</a>")
 109         public SafeHtml viewLink(String link, String title);
 110
 111         @Template("<table><tr><td rowspan='3'>{0}</td><td style='font-size:95%;' id='{1}'>{1}</td></tr><tr><td>{2}</td></tr></table>")
 112         public SafeHtml rendelContactCell(String imageHtml, String name, String fileSize);
 113
 114         @Template("<span id='{0}' class='{1}'>{2}</span>")
 115         public SafeHtml spanWithIdAndClass(String id, String cssClass, String content);
 116         }
 117
 118         private final DateTimeFormat formatter = DateTimeFormat.getFormat("d/M/yyyy h:mm a");
 119
 120         /**
 121          * Specifies that the images available for this composite will be the ones
 122          * available in FileContextMenu.
 123          */
 124         public interface Images extends ClientBundle,FileContextMenu.Images, FolderTreeView.Images {
 125
 126                 @Source("gr/grnet/pithos/resources/blank.gif")
 127                 ImageResource blank();
 128
 129                 @Source("gr/grnet/pithos/resources/asc.png")
 130                 ImageResource asc();
 131
 132                 @Source("gr/grnet/pithos/resources/desc.png")
 133                 ImageResource desc();
 134
 135                 @Source("gr/grnet/pithos/resources/mimetypes/document_shared.png")
 136                 ImageResource documentShared();
 137
 138                 @Source("gr/grnet/pithos/resources/mimetypes/kcmfontinst.png")
 139                 ImageResource wordprocessor();
 140
 141                 @Source("gr/grnet/pithos/resources/mimetypes/log.png")
 142                 ImageResource spreadsheet();
 143
 144                 @Source("gr/grnet/pithos/resources/mimetypes/kpresenter_kpr.png")
 145                 ImageResource presentation();
 146
 147                 @Source("gr/grnet/pithos/resources/mimetypes/acroread.png")
 148                 ImageResource pdf();
 149
 150                 @Source("gr/grnet/pithos/resources/mimetypes/image.png")
 151                 ImageResource image();
 152
 153                 @Source("gr/grnet/pithos/resources/mimetypes/video2.png")
 154                 ImageResource video();
 155
 156                 @Source("gr/grnet/pithos/resources/mimetypes/knotify.png")
 157                 ImageResource audio();
 158
 159                 @Source("gr/grnet/pithos/resources/mimetypes/html.png")
 160                 ImageResource html();
 161
 162                 @Source("gr/grnet/pithos/resources/mimetypes/txt.png")
 163                 ImageResource txt();
 164
 165                 @Source("gr/grnet/pithos/resources/mimetypes/ark2.png")
 166                 ImageResource zip();
 167
 168                 @Source("gr/grnet/pithos/resources/mimetypes/kcmfontinst_shared.png")
 169                 ImageResource wordprocessorShared();
 170
 171                 @Source("gr/grnet/pithos/resources/mimetypes/log_shared.png")
 172                 ImageResource spreadsheetShared();
 173
 174                 @Source("gr/grnet/pithos/resources/mimetypes/kpresenter_kpr_shared.png")
 175                 ImageResource presentationShared();
 176
 177                 @Source("gr/grnet/pithos/resources/mimetypes/acroread_shared.png")
 178                 ImageResource pdfShared();
 179
 180                 @Source("gr/grnet/pithos/resources/mimetypes/image_shared.png")
 181                 ImageResource imageShared();
 182
 183                 @Source("gr/grnet/pithos/resources/mimetypes/video2_shared.png")
 184                 ImageResource videoShared();
 185
 186                 @Source("gr/grnet/pithos/resources/mimetypes/knotify_shared.png")
 187                 ImageResource audioShared();
 188
 189                 @Source("gr/grnet/pithos/resources/mimetypes/html_shared.png")
 190                 ImageResource htmlShared();
 191
 192                 @Source("gr/grnet/pithos/resources/mimetypes/txt_shared.png")
 193                 ImageResource txtShared();
 194
 195                 @Source("gr/grnet/pithos/resources/mimetypes/ark2_shared.png")
 196                 ImageResource zipShared();
 197
 198         }
 199
 200         /**
 201          * The number of files in this folder.
 202          */
 203         int folderFileCount;
 204
 205         /**
 206          * Total folder size
 207          */
 208         long folderTotalSize;
 209
 210         /**
 211          * A cache of the files in the list.
 212          */
 213         private List<File> files;
 214
 215         /**
 216          * The widget's image bundle.
 217          */
 218         private final Images images;
 219
 220         private CellTable<File> celltable;
 221
 222         private final MultiSelectionModel<File> selectionModel;
 223
 224         private final List<SortableHeader> allHeaders = new ArrayList<SortableHeader>();
 225
 226         SortableHeader nameHeader;
 227
 228     FolderTreeView treeView;
 229
 230     private Pithos app;
 231
 232     /**
 233          * Construct the file list widget. This entails setting up the widget
 234          * layout, fetching the number of files in the current folder from the
 235          * server and filling the local file cache of displayed files with data from
 236          * the server, as well.
 237          *
 238          * @param _images
 239          */
 240         public FileList(final Pithos _app, Images _images, FolderTreeView _treeView) {
 241         app = _app;
 242                 images = _images;
 243         this.treeView = _treeView;
 244
 245         CellTable.Resources resources = GWT.create(TableResources.class);
 246
 247         ProvidesKey<File> keyProvider = new ProvidesKey<File>(){
 248
 249                         @Override
 250                         public Object getKey(File item) {
 251                                 return item.getUri();
 252                         }
 253                 };
 254
 255                 celltable = new CellTable<File>(Pithos.VISIBLE_FILE_COUNT, resources, keyProvider);
 256         celltable.setWidth("100%");
 257         celltable.setStyleName("pithos-List");
 258
 259                 Column<File, ImageResource> status = new Column<File, ImageResource>(new ImageResourceCell() {
 260                     @Override
 261                 public boolean handlesSelection() {
 262                     return false;
 263                 }
 264                 })
 265         {
 266                  @Override
 267                  public ImageResource getValue(File entity) {
 268                      return getFileIcon(entity);
 269                  }
 270             };
 271             celltable.addColumn(status,"");
 272
 273         final Column<File,SafeHtml> nameColumn = new Column<File,SafeHtml>(new SafeHtmlCell()) {
 274
 275                         @Override
 276                         public SafeHtml getValue(File object) {
 277                                 SafeHtmlBuilder sb = new SafeHtmlBuilder();
 278                 sb.append(Templates.INSTANCE.filenameSpan(object.getName()));
 279                                 if (object.getContentType().endsWith("png") || object.getContentType().endsWith("gif") || object.getContentType().endsWith("jpeg")) {
 280                                 sb.appendHtmlConstant("&nbsp;")
 281                       .append(Templates.INSTANCE.viewLink(object.getUri(), object.getOwner() + " : " + object.getPath() + object.getName()));
 282                                 }
 283
 284                                 return sb.toSafeHtml();
 285                         }
 286
 287                 };
 288         celltable.addColumn(nameColumn, nameHeader = new SortableHeader("Name"));
 289                 allHeaders.add(nameHeader);
 290                 nameHeader.setUpdater(new FileValueUpdater(nameHeader, "name"));
 291
 292                 celltable.redrawHeaders();
 293
 294         Column<File,String> aColumn = new Column<File,String>(new TextCell()) {
 295                         @Override
 296                         public String getValue(File object) {
 297                                 // TODO Auto-generated method stub
 298                                 return object.getSizeAsString();
 299                         }
 300                 };
 301         SortableHeader aheader = new SortableHeader("Size");
 302         celltable.addColumn(aColumn, aheader);
 303                 allHeaders.add(aheader);
 304                 aheader.setUpdater(new FileValueUpdater(aheader, "size"));
 305
 306         aColumn = new Column<File,String>(new TextCell()) {
 307                         @Override
 308                         public String getValue(File object) {
 309                                 return formatter.format(object.getLastModified());
 310                         }
 311                 };
 312         aheader = new SortableHeader("Last Modified");
 313                 celltable.addColumn(aColumn, aheader);
 314                 allHeaders.add(aheader);
 315                 aheader.setUpdater(new FileValueUpdater(aheader, "date"));
 316
 317                 provider.addDataDisplay(celltable);
 318
 319                 VerticalPanel vp = new VerticalPanel();
 320                 vp.setWidth("100%");
 321
 322         vp.add(celltable);
 323
 324                 vp.setCellWidth(celltable, "100%");
 325         vp.addHandler(new ContextMenuHandler() {
 326             @Override
 327             public void onContextMenu(ContextMenuEvent event) {
 328                 Folder selectedFolder = treeView.getSelection();
 329                 if (!selectedFolder.isTrash()) {
 330                     FileContextMenu contextMenu = new FileContextMenu(app, images, selectedFolder, getSelectedFiles(), false);
 331                     int x = event.getNativeEvent().getClientX();
 332                     int y = event.getNativeEvent().getClientY();
 333                     contextMenu.setPopupPosition(x, y);
 334                     contextMenu.show();
 335                 }
 336             }
 337         }, ContextMenuEvent.getType());
 338                 initWidget(vp);
 339
 340                 selectionModel = new MultiSelectionModel<File>(keyProvider);
 341
 342                 celltable.setSelectionModel(selectionModel, GSSSelectionEventManager.<File> createDefaultManager());
 343                 celltable.setPageSize(Pithos.VISIBLE_FILE_COUNT);
 344
 345                 sinkEvents(Event.ONCONTEXTMENU);
 346 //              sinkEvents(Event.ONMOUSEUP);
 347 //              sinkEvents(Event.ONMOUSEDOWN);
 348 //              sinkEvents(Event.ONCLICK);
 349 //              sinkEvents(Event.ONKEYDOWN);
 350 //              sinkEvents(Event.ONDBLCLICK);
 351                 Pithos.preventIESelection();
 352         }
 353
 354         public List<File> getSelectedFiles() {
 355         return new ArrayList<File>(selectionModel.getSelectedSet());
 356         }
 357
 358 //      @Override
 359 //      public void onBrowserEvent(Event event) {
 360 //
 361 //              if (files == null || files.size() == 0) {
 362 //                      if (DOM.eventGetType(event) == Event.ONCONTEXTMENU && getSelectedFiles().size() == 0) {
 363 //                              contextMenu = new FileContextMenu(images, false, true);
 364 //                contextMenu.show();
 365 //                              event.preventDefault();
 366 //                              event.cancelBubble(true);
 367 //                      }
 368 //                      return;
 369 //              }
 370 //              if (DOM.eventGetType(event) == Event.ONCONTEXTMENU && getSelectedFiles().size() != 0) {
 371 //                      GWT.log("*****GOING TO SHOW CONTEXT MENU ****", null);
 372 //                      contextMenu =  new FileContextMenu(images, false, false);
 373 //                      contextMenu = contextMenu.onEvent(event);
 374 //                      event.cancelBubble(true);
 375 //                      event.preventDefault();
 376 //              } else if (DOM.eventGetType(event) == Event.ONCONTEXTMENU && getSelectedFiles().size() == 0) {
 377 //                      contextMenu = new FileContextMenu(images, false, true);
 378 //                      contextMenu = contextMenu.onEmptyEvent(event);
 379 //                      event.cancelBubble(true);
 380 //                      event.preventDefault();
 381 //              } else if (DOM.eventGetType(event) == Event.ONDBLCLICK)
 382 //                      if (getSelectedFiles().size() == 1) {
 383 //                              Pithos app = app;
 384 //                              File file = getSelectedFiles().get(0);
 385 //                              Window.open(file.getUri(), "_blank", "");
 386 //                              event.preventDefault();
 387 //                              return;
 388 //                      }
 389 //              super.onBrowserEvent(event);
 390 //      }
 391
 392         /**
 393          * Update the display of the file list.
 394          */
 395         void update(boolean sort) {
 396                 showCellTable();
 397         }
 398
 399         /**
 400          * Return the proper icon based on the MIME type of the file.
 401          *
 402          * @param file
 403          * @return the icon
 404          */
 405         private ImageResource getFileIcon(File file) {
 406                 String mimetype = file.getContentType();
 407                 boolean shared = file.isShared();
 408                 if (mimetype == null)
 409                         return shared ? images.documentShared() : images.document();
 410                 mimetype = mimetype.toLowerCase();
 411                 if (mimetype.startsWith("application/pdf"))
 412                         return shared ? images.pdfShared() : images.pdf();
 413                 else if (mimetype.endsWith("excel"))
 414                         return shared ? images.spreadsheetShared() : images.spreadsheet();
 415                 else if (mimetype.endsWith("msword"))
 416                         return shared ? images.wordprocessorShared() : images.wordprocessor();
 417                 else if (mimetype.endsWith("powerpoint"))
 418                         return shared ? images.presentationShared() : images.presentation();
 419                 else if (mimetype.startsWith("application/zip") ||
 420                                         mimetype.startsWith("application/gzip") ||
 421                                         mimetype.startsWith("application/x-gzip") ||
 422                                         mimetype.startsWith("application/x-tar") ||
 423                                         mimetype.startsWith("application/x-gtar"))
 424                         return shared ? images.zipShared() : images.zip();
 425                 else if (mimetype.startsWith("text/html"))
 426                         return shared ? images.htmlShared() : images.html();
 427                 else if (mimetype.startsWith("text/plain"))
 428                         return shared ? images.txtShared() : images.txt();
 429                 else if (mimetype.startsWith("image/"))
 430                         return shared ? images.imageShared() : images.image();
 431                 else if (mimetype.startsWith("video/"))
 432                         return shared ? images.videoShared() : images.video();
 433                 else if (mimetype.startsWith("audio/"))
 434                         return shared ? images.audioShared() : images.audio();
 435                 return shared ? images.documentShared() : images.document();
 436         }
 437
 438         /**
 439          * Fill the file cache with data.
 440          */
 441         public void setFiles(final List<File> _files) {
 442                 files = new ArrayList<File>();
 443         for (File fres : _files)
 444                 if (!fres.isInTrash())
 445                                 files.add(fres);
 446                 Collections.sort(files, new Comparator<File>() {
 447
 448                         @Override
 449                         public int compare(File arg0, File arg1) {
 450                                 return arg0.getName().compareTo(arg1.getName());
 451                         }
 452
 453                 });
 454                 folderFileCount = files.size();
 455
 456                 nameHeader.setSorted(true);
 457                 nameHeader.toggleReverseSort();
 458                 for (SortableHeader otherHeader : allHeaders) {
 459                 if (otherHeader != nameHeader) {
 460                     otherHeader.setSorted(false);
 461                     otherHeader.setReverseSort(true);
 462                 }
 463             }
 464
 465         provider.setList(files);
 466         selectionModel.clear();
 467         }
 468
 469         /**
 470          * Does the list contains the requested filename
 471          *
 472          * @param fileName
 473          * @return true/false
 474          */
 475         public boolean contains(String fileName) {
 476                 for (int i = 0; i < files.size(); i++)
 477                         if (files.get(i).getName().equals(fileName))
 478                                 return true;
 479                 return false;
 480         }
 481
 482         public void clearSelectedRows() {
 483                 Iterator<File> it = selectionModel.getSelectedSet().iterator();
 484                 while(it.hasNext()){
 485                         selectionModel.setSelected(it.next(),false);
 486                 }
 487         }
 488
 489         /**
 490          *
 491          */
 492         public void selectAllRows() {
 493                 Iterator<File> it = provider.getList().iterator();
 494                 while(it.hasNext()){
 495                         selectionModel.setSelected(it.next(),true);
 496                 }
 497         }
 498
 499         private void sortFiles(final String sortingProperty, final boolean sortingType){
 500                 Collections.sort(files, new Comparator<File>() {
 501
 502             @Override
 503             public int compare(File arg0, File arg1) {
 504                     AbstractImagePrototype descPrototype = AbstractImagePrototype.create(images.desc());
 505                     AbstractImagePrototype ascPrototype = AbstractImagePrototype.create(images.asc());
 506                     if (sortingType){
 507                             if (sortingProperty.equals("version")) {
 508                                     return arg0.getVersion() - arg1.getVersion();
 509                             } else if (sortingProperty.equals("owner")) {
 510                                     return arg0.getOwner().compareTo(arg1.getOwner());
 511                             } else if (sortingProperty.equals("date")) {
 512                                     return arg0.getLastModified().compareTo(arg1.getLastModified());
 513                             } else if (sortingProperty.equals("size")) {
 514                                     return (int) (arg0.getBytes() - arg1.getBytes());
 515                             } else if (sortingProperty.equals("name")) {
 516                                     return arg0.getName().compareTo(arg1.getName());
 517                             } else if (sortingProperty.equals("path")) {
 518                                     return arg0.getUri().compareTo(arg1.getUri());
 519                             } else {
 520                                     return arg0.getName().compareTo(arg1.getName());
 521                             }
 522                     }
 523                     else if (sortingProperty.equals("version")) {
 524
 525                             return arg1.getVersion() - arg0.getVersion();
 526                     } else if (sortingProperty.equals("owner")) {
 527
 528                             return arg1.getOwner().compareTo(arg0.getOwner());
 529                     } else if (sortingProperty.equals("date")) {
 530
 531                             return arg1.getLastModified().compareTo(arg0.getLastModified());
 532                     } else if (sortingProperty.equals("size")) {
 533                             return (int) (arg1.getBytes() - arg0.getBytes());
 534                     } else if (sortingProperty.equals("name")) {
 535
 536                             return arg1.getName().compareTo(arg0.getName());
 537                     } else if (sortingProperty.equals("path")) {
 538
 539                             return arg1.getUri().compareTo(arg0.getUri());
 540                     } else {
 541
 542                             return arg1.getName().compareTo(arg0.getName());
 543                     }
 544             }
 545
 546                 });
 547         }
 548
 549         final class FileValueUpdater implements ValueUpdater<String>{
 550                 private String property;
 551                 private SortableHeader header;
 552                 /**
 553                  *
 554                  */
 555                 public FileValueUpdater(SortableHeader header,String property) {
 556                         this.property=property;
 557                         this.header=header;
 558                 }
 559                 @Override
 560                 public void update(String value) {
 561                         header.setSorted(true);
 562                         header.toggleReverseSort();
 563
 564                 for (SortableHeader otherHeader : allHeaders) {
 565                   if (otherHeader != header) {
 566                     otherHeader.setSorted(false);
 567                     otherHeader.setReverseSort(true);
 568                   }
 569                 }
 570                 celltable.redrawHeaders();
 571                 sortFiles(property, header.getReverseSort());
 572                 FileList.this.update(true);
 573                 }
 574
 575         }
 576
 577         /**
 578          * Shows the files in the cellTable
 579      */
 580         private void showCellTable(){
 581                 provider.setList(files);
 582
 583                 provider.refresh();
 584
 585                 //celltable.redraw();
 586                 celltable.redrawHeaders();
 587         }
 588 }