code.grnet.gr Git - pithos/blob - src/gr/ebs/gss/client/CellTreeViewModel.java

   1 /*
   2  * Copyright 2011 Electronic Business Systems Ltd.
   3  *
   4  * This file is part of GSS.
   5  *
   6  * GSS is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation, either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * GSS is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with GSS.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19 package gr.ebs.gss.client;
  20
  21 import gr.ebs.gss.client.CellTreeView.Images;
  22 import gr.ebs.gss.client.CellTreeView.RefreshHandler;
  23 import gr.ebs.gss.client.rest.GetCommand;
  24 import gr.ebs.gss.client.rest.MultipleGetCommand;
  25 import gr.ebs.gss.client.rest.RestException;
  26 import gr.ebs.gss.client.rest.resource.FileResource;
  27 import gr.ebs.gss.client.rest.resource.FolderResource;
  28 import gr.ebs.gss.client.rest.resource.MyFolderResource;
  29 import gr.ebs.gss.client.rest.resource.OtherUserResource;
  30 import gr.ebs.gss.client.rest.resource.OthersFolderResource;
  31 import gr.ebs.gss.client.rest.resource.OthersResource;
  32 import gr.ebs.gss.client.rest.resource.RestResource;
  33 import gr.ebs.gss.client.rest.resource.RestResourceWrapper;
  34 import gr.ebs.gss.client.rest.resource.SharedFolderResource;
  35 import gr.ebs.gss.client.rest.resource.SharedResource;
  36 import gr.ebs.gss.client.rest.resource.TrashFolderResource;
  37 import gr.ebs.gss.client.rest.resource.TrashResource;
  38 import gwtquery.plugins.draggable.client.DraggableOptions;
  39 import gwtquery.plugins.draggable.client.DraggableOptions.CursorAt;
  40 import gwtquery.plugins.draggable.client.DraggableOptions.DragFunction;
  41 import gwtquery.plugins.draggable.client.DraggableOptions.RevertOption;
  42 import gwtquery.plugins.draggable.client.events.DragContext;
  43 import gwtquery.plugins.droppable.client.DroppableOptions;
  44 import gwtquery.plugins.droppable.client.DroppableOptions.DroppableFunction;
  45 import gwtquery.plugins.droppable.client.events.DragAndDropContext;
  46 import gwtquery.plugins.droppable.client.gwt.DragAndDropNodeInfo;
  47
  48 import java.util.ArrayList;
  49 import java.util.Arrays;
  50 import java.util.HashMap;
  51 import java.util.List;
  52 import java.util.Map;
  53 import static com.google.gwt.query.client.GQuery.$;
  54
  55 import com.google.gwt.cell.client.AbstractCell;
  56 import com.google.gwt.cell.client.Cell;
  57 import com.google.gwt.cell.client.ValueUpdater;
  58 import com.google.gwt.core.client.GWT;
  59 import com.google.gwt.dom.client.Style.Cursor;
  60 import com.google.gwt.safehtml.client.SafeHtmlTemplates;
  61 import com.google.gwt.safehtml.client.SafeHtmlTemplates.Template;
  62 import com.google.gwt.safehtml.shared.SafeHtml;
  63 import com.google.gwt.safehtml.shared.SafeHtmlBuilder;
  64 import com.google.gwt.user.client.DeferredCommand;
  65 import com.google.gwt.user.client.ui.AbstractImagePrototype;
  66 import com.google.gwt.view.client.AsyncDataProvider;
  67 import com.google.gwt.view.client.HasData;
  68 import com.google.gwt.view.client.ListDataProvider;
  69 import com.google.gwt.view.client.ProvidesKey;
  70 import com.google.gwt.view.client.SingleSelectionModel;
  71 import com.google.gwt.view.client.TreeViewModel;
  72
  73
  74
  75 /**
  76  * @author kman
  77  *
  78  */
  79 public class CellTreeViewModel implements TreeViewModel{
  80         private final ListDataProvider<RestResource> rootNodes = new ListDataProvider<RestResource>();
  81         final Images images;
  82         SingleSelectionModel<RestResource> selectionModel;
  83         Map<String, MyFolderDataProvider> mymap = new HashMap<String, MyFolderDataProvider>();
  84         static interface Templates extends SafeHtmlTemplates {
  85             Templates INSTANCE = GWT.create(Templates.class);
  86
  87             @Template(" <div id='dragHelper' class='{0}'></div>")
  88             SafeHtml outerHelper(String cssClassName);
  89           }
  90
  91         static void configureDragOperation(DraggableOptions options) {
  92
  93             // set a custom element as drag helper. The content of the helper will be
  94             // set when the drag will start
  95             options.setHelper($(Templates.INSTANCE.outerHelper(
  96                 "drag").asString()));
  97             // opacity of the drag helper
  98             options.setOpacity((float) 0.9);
  99             // cursor during the drag operation
 100             options.setCursor(Cursor.MOVE);
 101             // the cell being greater than the helper, force the position of the
 102             // helper on the mouse cursor.
 103             options.setCursorAt(new CursorAt(10, 10, null, null));
 104             // append the helper to the body element
 105             options.setAppendTo("body");
 106             // set the revert option
 107             options.setRevert(RevertOption.ON_INVALID_DROP);
 108             // use a Function to fill the content of the helper
 109             // we could also add a DragStartEventHandler on the DragAndDropTreeCell and
 110             // DragAndDropCellList.
 111             options.setOnDragStart(new DragFunction() {
 112               public void f(DragContext context) {
 113                 RestResourceWrapper memberInfo = context.getDraggableData();
 114                 context.getHelper().setInnerHTML(memberInfo.getName());
 115               }
 116             });
 117
 118           }
 119
 120         /**
 121          *
 122          */
 123         public CellTreeViewModel(final Images _images,SingleSelectionModel<RestResource> selectionModel ) {
 124                 super();
 125                 images=_images;
 126                 this.selectionModel=selectionModel;
 127         }
 128
 129         private final Cell<RestResource> departmentCell = new AbstractCell<RestResource>("contextmenu"){
 130
 131                 @Override
 132                 public void render(com.google.gwt.cell.client.Cell.Context arg0, RestResource arg1, SafeHtmlBuilder arg2) {
 133                         String html=null;
 134                         String name=null;
 135                         if(arg1 instanceof TrashFolderResource){
 136                                 html = AbstractImagePrototype.create(images.folderYellow()).getHTML();
 137                                 FolderResource res = ((RestResourceWrapper)arg1).getResource();
 138                                 name=res.getName();
 139                         }
 140                         else if(arg1 instanceof RestResourceWrapper){
 141                                 FolderResource res = ((RestResourceWrapper)arg1).getResource();
 142                                 if(res.isShared())
 143                                         html = AbstractImagePrototype.create(images.sharedFolder()).getHTML();
 144                                 else if(res.getParentName()==null){
 145                                         html = AbstractImagePrototype.create(images.home()).getHTML();
 146                                 }
 147                                 else
 148                                         html = AbstractImagePrototype.create(images.folderYellow()).getHTML();
 149                                 name = res.getName();
 150
 151                         }
 152                         else if(arg1 instanceof TrashResource){
 153                                 html = AbstractImagePrototype.create(images.trash()).getHTML();
 154                                 name="Trash";
 155                         }
 156
 157                         else if(arg1 instanceof SharedResource){
 158                                 html = AbstractImagePrototype.create(images.myShared()).getHTML();
 159                                 name="My Shared";
 160                         }
 161                         else if(arg1 instanceof OthersResource){
 162                                 html = AbstractImagePrototype.create(images.othersShared()).getHTML();
 163                                 name = "Other's Shared";
 164                         }
 165                         else if(arg1 instanceof OtherUserResource){
 166                                 html = AbstractImagePrototype.create(images.permUser()).getHTML();
 167                                 name = ((OtherUserResource)arg1).getName();
 168                         }
 169                         arg2.appendHtmlConstant(html);
 170                         arg2.appendHtmlConstant("<span class='papala'>");
 171                         arg2.appendEscaped(name);
 172                         arg2.appendHtmlConstant("</span>");
 173                 }
 174
 175                 public void onBrowserEvent(Cell.Context context, com.google.gwt.dom.client.Element parent, RestResource value, com.google.gwt.dom.client.NativeEvent event, com.google.gwt.cell.client.ValueUpdater<RestResource> valueUpdater) {
 176                         if(event.getType().equals("contextmenu")){
 177                                 selectionModel.setSelected(value, true);
 178                                 GSS.get().getTreeView().showPopup(event.getClientX(), event.getClientY());
 179                         }
 180                 };
 181
 182         };
 183
 184
 185         @Override
 186         public <T> NodeInfo<?> getNodeInfo(final T value) {
 187
 188                 if(value==null){
 189                         return new DragAndDropNodeInfo<RestResource>(getRootNodes(), departmentCell,
 190                                     selectionModel, null);
 191                 }
 192                 else if (value instanceof MyFolderResource) {
 193                 // Second level.
 194                         MyFolderDataProvider dataProvider = new MyFolderDataProvider(
 195                     ((MyFolderResource) value),MyFolderResource.class);
 196                 DragAndDropNodeInfo<RestResource> n =  new DragAndDropNodeInfo<RestResource>(dataProvider, departmentCell,
 197                     selectionModel, new ResourceValueUpdater());
 198                 //nodeInfos.put(((MyFolderResource) value).getUri(), n);
 199                 mymap.put(((MyFolderResource) value).getUri(), dataProvider);
 200                 DroppableOptions options = n.getDroppableOptions();
 201                 options.setDroppableHoverClass("droppableHover");
 202                 // use a DroppableFunction here. We can also add a DropHandler in the tree
 203                 // itself
 204                 options.setOnDrop(new DroppableFunction() {
 205
 206                   public void f(DragAndDropContext context) {
 207
 208                           DnDFolderPopupMenu popup ;
 209                           if(context.getDraggableData() instanceof FileResource){
 210                                   popup = new DnDFolderPopupMenu(images, ((MyFolderResource) context.getDroppableData()).getResource(), Arrays.asList(context.getDraggableData()));
 211                           }
 212                           else
 213                                   popup = new DnDFolderPopupMenu(images, ((MyFolderResource) context.getDroppableData()).getResource(), context.getDraggableData());
 214                           int left = context.getDroppable().getAbsoluteLeft() + 40;
 215                   int top = context.getDroppable().getAbsoluteTop() + 20;
 216                   popup.setPopupPosition(left, top);
 217
 218                           popup.show();
 219                   }
 220                 });
 221                 // permission cell are not draggable
 222                 //n.setCellDroppableOnly();
 223                 configureDragOperation(n.getDraggableOptions());
 224                 return n;
 225                 }
 226                 else if (value instanceof SharedResource) {
 227                 // Second level.
 228                         MyFolderDataProvider dataProvider = new MyFolderDataProvider(
 229                     ((SharedResource) value), SharedFolderResource.class);
 230                 return new DragAndDropNodeInfo<RestResource>(dataProvider, departmentCell,
 231                     selectionModel, new ResourceValueUpdater());
 232                 }
 233                 else if (value instanceof TrashResource) {
 234                 // Second level.
 235                         ListDataProvider<RestResource> trashProvider = new ListDataProvider<RestResource>();
 236                         List<RestResource> r = new ArrayList<RestResource>();
 237                         for(FolderResource f : GSS.get().getTreeView().getTrash().getFolders()){
 238                                 r.add(new TrashFolderResource(f));
 239                         }
 240                         trashProvider.setList(r);
 241                 return new DragAndDropNodeInfo<RestResource>(trashProvider, departmentCell,
 242                     selectionModel, new ResourceValueUpdater());
 243                 }
 244                 else if (value instanceof OthersResource) {
 245                 // Second level.
 246                         OthersDataProvider dataProvider = new OthersDataProvider(
 247                     ((OthersResource) value), SharedFolderResource.class);
 248                 return new DragAndDropNodeInfo<RestResource>(dataProvider, departmentCell,
 249                     selectionModel, null);
 250                 }
 251                 else if (value instanceof SharedFolderResource) {
 252                 // Second level.
 253                         MyFolderDataProvider dataProvider = new MyFolderDataProvider(
 254                     ((SharedFolderResource) value),SharedFolderResource.class);
 255                 DragAndDropNodeInfo<RestResource> n =  new DragAndDropNodeInfo<RestResource>(dataProvider, departmentCell,
 256                     selectionModel, new ResourceValueUpdater());
 257                 //nodeInfos.put(((SharedFolderResource) value).getUri(), n);
 258                 DroppableOptions options = n.getDroppableOptions();
 259                 options.setDroppableHoverClass("droppableHover");
 260                 // use a DroppableFunction here. We can also add a DropHandler in the tree
 261                 // itself
 262                 options.setOnDrop(new DroppableFunction() {
 263
 264                   public void f(DragAndDropContext context) {
 265                           GWT.log("DROPPED");
 266
 267                   }
 268                 });
 269                 // permission cell are not draggable
 270                 n.setCellDroppableOnly();
 271                 return n;
 272                 }
 273                 else if (value instanceof OthersFolderResource) {
 274                 // Second level.
 275                         MyFolderDataProvider dataProvider = new MyFolderDataProvider(
 276                     ((OthersFolderResource) value),OthersFolderResource.class);
 277                 DragAndDropNodeInfo<RestResource> n =  new DragAndDropNodeInfo<RestResource>(dataProvider, departmentCell,
 278                     selectionModel, new ResourceValueUpdater());
 279                 //nodeInfos.put(((OthersFolderResource) value).getUri(), n);
 280                 DroppableOptions options = n.getDroppableOptions();
 281                 options.setDroppableHoverClass("droppableHover");
 282                 // use a DroppableFunction here. We can also add a DropHandler in the tree
 283                 // itself
 284                 options.setOnDrop(new DroppableFunction() {
 285
 286                   public void f(DragAndDropContext context) {
 287                           GWT.log("DROPPED");
 288
 289                   }
 290                 });
 291                 // permission cell are not draggable
 292                 n.setCellDroppableOnly();
 293                 return n;
 294                 }
 295                 else if (value instanceof OtherUserResource) {
 296                 // Second level.
 297                         MyFolderDataProvider dataProvider = new MyFolderDataProvider(
 298                     ((OtherUserResource) value),OthersFolderResource.class);
 299                 DragAndDropNodeInfo<RestResource> n =  new DragAndDropNodeInfo<RestResource>(dataProvider, departmentCell,
 300                     selectionModel, new ResourceValueUpdater());
 301                 //nodeInfos.put(((OtherUserResource) value).getUri(), n);
 302                 DroppableOptions options = n.getDroppableOptions();
 303                 options.setDroppableHoverClass("droppableHover");
 304                 // use a DroppableFunction here. We can also add a DropHandler in the tree
 305                 // itself
 306                 options.setOnDrop(new DroppableFunction() {
 307
 308                   public void f(DragAndDropContext context) {
 309                           GWT.log("DROPPED");
 310
 311                   }
 312                 });
 313                 // permission cell are not draggable
 314                 n.setCellDroppableOnly();
 315                 return n;
 316                 }
 317                 // TODO Auto-generated method stub
 318                 return null;
 319         }
 320
 321         @Override
 322         public boolean isLeaf(Object value) {
 323                 if(value instanceof RestResourceWrapper)
 324                         return ((RestResourceWrapper)value).getResource().getFolders().size()==0;
 325                 else if(value instanceof TrashResource)
 326                         return ((TrashResource)value).getFolders().size()==0;
 327                 else if(value instanceof SharedResource)
 328                         return ((SharedResource)value).getFolders().size()==0;
 329                 else if(value instanceof OthersResource)
 330                         return ((OthersResource)value).getOtherUsers().size()==0;
 331                 else if(value instanceof OtherUserResource)
 332                         return ((OtherUserResource)value).getFolders().size()==0;
 333                 return false;
 334         }
 335
 336         class ResourceValueUpdater implements  ValueUpdater<RestResource>{
 337
 338                 @Override
 339                 public void update(final RestResource value) {
 340                         if(value instanceof MyFolderResource){
 341                                 GetCommand<FolderResource> gf = new GetCommand<FolderResource>(FolderResource.class, value.getUri(), null) {
 342
 343                                         @Override
 344                                         public void onComplete() {
 345                                                 FolderResource rootResource = getResult();
 346                                                 ((MyFolderResource)value).getResource().setFiles(rootResource.getFiles());
 347                                                 if(GSS.get().getTreeView().getSelection().getUri().equals(value.getUri()))
 348                                                         selectionModel.setSelected(value, true);
 349                                                 GWT.log("UPDATYING");
 350                                                 GSS.get().onResourceUpdate(value);
 351
 352                                         }
 353
 354                                         @Override
 355                                         public void onError(Throwable t) {
 356                                                 GWT.log("Error fetching root folder", t);
 357                                                 GSS.get().displayError("Unable to fetch root folder");
 358                                         }
 359
 360                                 };
 361                                 DeferredCommand.addCommand(gf);
 362                         }
 363                         if(value instanceof TrashResource){
 364                                 DeferredCommand.addCommand(new GetCommand<TrashResource>(TrashResource.class, GSS.get().getCurrentUserResource().getTrashPath(), null) {
 365                                         @Override
 366                                         public void onComplete() {
 367                                                 //trash = getResult();
 368                                                 for(RestResource r : getRootNodes().getList()){
 369                                                         if(r instanceof TrashResource)
 370                                                                 getRootNodes().getList().set(getRootNodes().getList().indexOf(r),GSS.get().getTreeView().getTrash());
 371                                                 }
 372                                                 GSS.get().getTreeView().updateNodeChildren(GSS.get().getTreeView().getTrash());
 373                                         }
 374
 375                                         @Override
 376                                         public void onError(Throwable t) {
 377                                                 if(t instanceof RestException){
 378                                                         int statusCode = ((RestException)t).getHttpStatusCode();
 379                                                         // On IE status code 1223 may be returned instead of 204.
 380                                                         if(statusCode == 204 || statusCode == 1223){
 381                                                                 //trash = new TrashResource(GSS.get().getCurrentUserResource().getTrashPath());
 382                                                 }
 383                                                 else{
 384                                                         GWT.log("", t);
 385                                                         GSS.get().displayError("Unable to fetch trash folder:"+t.getMessage());
 386                                                         //GSS.get().getTreeView().getTrash() = new TrashResource(GSS.get().getCurrentUserResource().getTrashPath());
 387                                                 }
 388                                         }
 389                                 }
 390                                 });
 391                         }
 392
 393                 }
 394
 395         }
 396         class MyFolderDataProvider extends AsyncDataProvider<RestResource>{
 397                 private RestResource restResource;
 398                 private Class resourceClass;
 399                   public MyFolderDataProvider(RestResource department, Class resourceClass) {
 400                     super(new ProvidesKey<RestResource>() {
 401
 402                                 @Override
 403                                 public Object getKey(RestResource item) {
 404                                         return item.getUri();
 405                                 }});
 406                     this.restResource = department;
 407                     this.resourceClass=resourceClass;
 408                     //CellTreeView.this.mymap.put(department.getUri(), MyFolderDataProvider.this);
 409                   }
 410
 411                   @Override
 412                   protected void onRangeChanged(final HasData<RestResource> view) {
 413                         refresh(null);
 414                   }
 415
 416                 /**
 417                  * Retrieve the restResource.
 418                  *
 419                  * @return the restResource
 420                  */
 421                 public RestResource getRestResource() {
 422                         return restResource;
 423                 }
 424
 425
 426                 /**
 427                  * Modify the restResource.
 428                  *
 429                  * @param restResource the restResource to set
 430                  */
 431                 public void setRestResource(RestResource restResource) {
 432                         this.restResource = restResource;
 433                 }
 434
 435                   public void refresh(final RefreshHandler refresh){
 436                           GWT.log("******************************************");
 437                           GWT.log("[REFRESHING]:"+restResource.getUri());
 438                           GWT.log("******************************************");
 439                           GetCommand<FolderResource> gf = new GetCommand<FolderResource>(FolderResource.class, restResource.getUri(), null) {
 440
 441                                         @Override
 442                                         public void onComplete() {
 443                                                 if(restResource instanceof RestResourceWrapper)
 444                                                         ((RestResourceWrapper)restResource).setResource(getResult());//restResource = getResult();
 445
 446                                                 //if(CellTreeView.this.mymap.get(restResource.getUri())!=null)
 447                                                         //CellTreeView.this.mymap.get(restResource.getUri()).setRestResource(restResource);
 448                                                 String[] folderPaths = null;
 449                                                 if(resourceClass.equals(MyFolderResource.class))
 450                                                         folderPaths=((MyFolderResource) restResource).getResource().getSubfolderPaths().toArray(new String[] {});
 451                                                 else if(resourceClass.equals(SharedFolderResource.class) && restResource instanceof SharedResource)
 452                                                         folderPaths=((SharedResource) restResource).getSubfolderPaths().toArray(new String[] {});
 453                                                 else if(resourceClass.equals(SharedFolderResource.class)){
 454                                                         folderPaths=((SharedFolderResource) restResource).getResource().getSubfolderPaths().toArray(new String[] {});
 455                                                         GWT.log("------------>"+folderPaths);
 456                                                 }
 457                                                 else if(resourceClass.equals(TrashFolderResource.class))
 458                                                         folderPaths=((TrashFolderResource) restResource).getResource().getSubfolderPaths().toArray(new String[] {});
 459                                                 else if(resourceClass.equals(OthersFolderResource.class) && restResource instanceof OtherUserResource)
 460                                                         folderPaths=((OtherUserResource) restResource).getSubfolderPaths().toArray(new String[] {});
 461                                                 else if(resourceClass.equals(OthersFolderResource.class))
 462                                                         folderPaths=((OthersFolderResource) restResource).getResource().getSubfolderPaths().toArray(new String[] {});
 463                                                 MultipleGetCommand<FolderResource> gf2 = new MultipleGetCommand<FolderResource>(FolderResource.class,
 464                                                                         folderPaths, null) {
 465
 466                                                         @Override
 467                                                         public void onComplete() {
 468                                                                 List<RestResource> res = new ArrayList<RestResource>();
 469                                                                 for(FolderResource r : getResult()){
 470                                                                         if(r.isDeleted()){
 471
 472                                                                         }
 473                                                                         else if(resourceClass.equals(MyFolderResource.class))
 474                                                                                 res.add(new MyFolderResource(r));
 475                                                                         else if(resourceClass.equals(SharedFolderResource.class)){
 476                                                                                 GWT.log("ADDING:"+r.getUri());
 477                                                                                 res.add(new SharedFolderResource(r));
 478                                                                         }
 479                                                                         else if(resourceClass.equals(TrashFolderResource.class))
 480                                                                                 res.add(new TrashFolderResource(r));
 481                                                                         else if(resourceClass.equals(OthersFolderResource.class))
 482                                                                                 res.add(new OthersFolderResource(r));
 483                                                                 }
 484                                                                 updateRowCount(res.size(), true);
 485                                                                 updateRowData(0,res);
 486                                                                 if(refresh!=null)
 487                                                                         refresh.onRefresh();
 488                                                         }
 489
 490                                                         @Override
 491                                                         public void onError(Throwable t) {
 492                                                                 GSS.get().displayError("Unable to fetch subfolders");
 493                                                                 GWT.log("Unable to fetch subfolders", t);
 494                                                         }
 495
 496                                                         @Override
 497                                                         public void onError(String p, Throwable throwable) {
 498                                                                 GWT.log("Path:"+p, throwable);
 499                                                         }
 500
 501                                                 };
 502                                                 DeferredCommand.addCommand(gf2);
 503
 504                                         }
 505
 506                                         @Override
 507                                         public void onError(Throwable t) {
 508                                                 GWT.log("Error fetching root folder", t);
 509                                                 GSS.get().displayError("Unable to fetch root folder");
 510                                         }
 511
 512                                 };
 513                                 DeferredCommand.addCommand(gf);
 514                   }
 515         }
 516
 517
 518         class OthersDataProvider extends AsyncDataProvider<RestResource>{
 519                 private RestResource restResource;
 520                 private Class resourceClass;
 521                   public OthersDataProvider(RestResource department, Class resourceClass) {
 522                     super(new ProvidesKey<RestResource>() {
 523
 524                                 @Override
 525                                 public Object getKey(RestResource item) {
 526                                         return item.getUri();
 527                                 }});
 528                     this.restResource = department;
 529                     this.resourceClass=resourceClass;
 530                     //CellTreeView.this.mymap.put(department.getUri(), OthersDataProvider.this);
 531                   }
 532
 533                   @Override
 534                   protected void onRangeChanged(final HasData<RestResource> view) {
 535                         refresh(null);
 536                   }
 537
 538                 /**
 539                  * Retrieve the restResource.
 540                  *
 541                  * @return the restResource
 542                  */
 543                 public RestResource getRestResource() {
 544                         return restResource;
 545                 }
 546
 547
 548                 /**
 549                  * Modify the restResource.
 550                  *
 551                  * @param restResource the restResource to set
 552                  */
 553                 public void setRestResource(RestResource restResource) {
 554                         this.restResource = restResource;
 555                 }
 556
 557                   public void refresh(final RefreshHandler refresh){
 558                           GWT.log("******************************************");
 559                           GWT.log("[REFRESHING]:"+restResource.getUri());
 560                           GWT.log("******************************************");
 561                           GetCommand<OthersResource> go = new GetCommand<OthersResource>(OthersResource.class,
 562                           restResource.getUri(), null) {
 563
 564                                   @Override
 565                                   public void onComplete() {
 566                                           final OthersResource others = getResult();
 567                           MultipleGetCommand<OtherUserResource> gogo = new MultipleGetCommand<OtherUserResource>(OtherUserResource.class,
 568                                                   others.getOthers().toArray(new String[] {}), null) {
 569
 570                                   @Override
 571                                   public void onComplete() {
 572                                           List<OtherUserResource> res = getResult();
 573                                           updateRowCount(res.size(), true);
 574                                           List<RestResource> r = new ArrayList<RestResource>();
 575                                           r.addAll(res);
 576                                                                           updateRowData(0,r);
 577                                   }
 578
 579                                   @Override
 580                                   public void onError(Throwable t) {
 581                                           GWT.log("Error fetching Others Root folder", t);
 582                                           GSS.get().displayError("Unable to fetch Others Root folder");
 583                                   }
 584
 585                                   @Override
 586                                   public void onError(String p, Throwable throwable) {
 587                                           GWT.log("Path:"+p, throwable);
 588                                   }
 589                           };
 590                           DeferredCommand.addCommand(gogo);
 591                                   }
 592
 593                                   @Override
 594                                   public void onError(Throwable t) {
 595                                           GWT.log("Error fetching Others Root folder", t);
 596                                           GSS.get().displayError("Unable to fetch Others Root folder");
 597                                   }
 598                           };
 599                           DeferredCommand.addCommand(go);
 600                   }
 601         }
 602
 603
 604
 605         /**
 606          * Retrieve the rootNodes.
 607          *
 608          * @return the rootNodes
 609          */
 610         public ListDataProvider<RestResource> getRootNodes() {
 611                 return rootNodes;
 612         }
 613
 614
 615         /**
 616          * Retrieve the mymap.
 617          *
 618          * @return the mymap
 619          */
 620         public Map<String, MyFolderDataProvider> getMymap() {
 621                 return mymap;
 622         }
 623
 624
 625
 626
 627 }