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

   1 /*
   2  * Copyright 2008, 2009 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.dnd;
  20
  21 import gr.ebs.gss.client.Folders;
  22 import gr.ebs.gss.client.GSS;
  23 import gr.ebs.gss.client.rest.MultiplePostCommand;
  24 import gr.ebs.gss.client.rest.PostCommand;
  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.RestResource;
  29
  30 import java.util.ArrayList;
  31 import java.util.List;
  32
  33 import com.google.gwt.core.client.GWT;
  34 import com.google.gwt.http.client.URL;
  35 import com.google.gwt.user.client.Command;
  36 import com.google.gwt.user.client.DeferredCommand;
  37 import com.google.gwt.user.client.ui.MenuBar;
  38 import com.google.gwt.user.client.ui.PopupPanel;
  39 import com.google.gwt.user.client.ui.TreeItem;
  40
  41 /**
  42  * @author kman
  43  */
  44 public class DnDFolderPopupMenu extends PopupPanel {
  45
  46         /**
  47          * The widget's images.
  48          */
  49         private final Folders.Images images;
  50
  51         public DnDFolderPopupMenu(final Folders.Images newImages, final FolderResource target, final Object toCopy, boolean othersShared) {
  52                 // The popup's constructor's argument is a boolean specifying that it
  53                 // auto-close itself when the user clicks outside of it.
  54                 super(true);
  55                 setAnimationEnabled(true);
  56                 images = newImages;
  57
  58                 // A dummy command that we will execute from unimplemented leaves.
  59                 final Command cancelCmd = new Command() {
  60
  61                         public void execute() {
  62                                 hide();
  63                         }
  64                 };
  65
  66                 final MenuBar contextMenu = new MenuBar(true);
  67                 final Folders folders = GSS.get().getFolders();
  68
  69                 contextMenu.addItem("<span>" + newImages.cut().getHTML() + "&nbsp;Move</span>", true, new Command() {
  70
  71                                 public void execute() {
  72                                         if (toCopy instanceof FolderResource){
  73                                                 List<TreeItem> treeItems = folders.getItemsOfTreeForPath(((RestResource) toCopy).getUri());
  74                                                 List<TreeItem> parents = new ArrayList();
  75                                                 for(TreeItem item : treeItems)
  76                                                         if(item.getParentItem() != null)
  77                                                                 parents.add(item.getParentItem());
  78                                                 moveFolder(target, (FolderResource) toCopy, parents);
  79                                         }
  80                                         else if(toCopy instanceof List)
  81                                                 moveFiles(target, (List<FileResource>) toCopy);
  82                                         hide();
  83                                 }
  84
  85                         }).setVisible(target != null);
  86
  87                 contextMenu.addItem("<span>" + newImages.copy().getHTML() + "&nbsp;Copy</span>", true, new Command() {
  88
  89                         public void execute() {
  90                                 if (toCopy instanceof FolderResource)
  91                                         copyFolder(target, (FolderResource) toCopy);
  92                                 else if(toCopy instanceof List)
  93                                         copyFiles(target, (List<FileResource>) toCopy);
  94                                 hide();
  95                         }
  96
  97                 }).setVisible(target != null);
  98
  99                 contextMenu.addItem("<span>" + newImages.trash().getHTML() + "&nbsp;Delete (Trash)</span>", true, new Command() {
 100
 101                         public void execute() {
 102                                 if (toCopy instanceof FolderResource){
 103                                         final List<TreeItem> treeItems = folders.getItemsOfTreeForPath(((RestResource) toCopy).getUri());
 104                                         List<TreeItem> parents = new ArrayList();
 105                                         for(TreeItem item : treeItems)
 106                                                 if(item.getParentItem() != null)
 107                                                         parents.add(item.getParentItem());
 108                                         trashFolder((FolderResource) toCopy, parents);
 109                                 }
 110                                 else if(toCopy instanceof List)
 111                                         trashFiles((List<FileResource>) toCopy);
 112                                 hide();
 113                         }
 114
 115                 }).setVisible(target == null);
 116                 contextMenu.addItem("<span>" + newImages.delete().getHTML() + "&nbsp;Cancel</span>", true, cancelCmd);
 117
 118                 add(contextMenu);
 119
 120         }
 121
 122         private void copyFolder(final FolderResource target, FolderResource toCopy) {
 123                 String atarget = target.getUri();
 124                 atarget = atarget.endsWith("/") ? atarget : atarget + '/';
 125                 atarget = atarget + toCopy.getName();
 126                 PostCommand cf = new PostCommand(toCopy.getUri() + "?copy=" + atarget, "", 200) {
 127
 128                         @Override
 129                         public void onComplete() {
 130                                 final TreeItem folder;
 131                                 TreeItem folderTemp = GSS.get().getFolders().getUserItem(target);
 132                                 if (folderTemp == null)
 133                                         folder = GSS.get().getFolders().getOtherSharedItem(target);
 134                                 else
 135                                         folder = folderTemp;
 136                                 GSS.get().getFolders().updateFolder((DnDTreeItem) folder);
 137                                 GSS.get().getStatusPanel().updateStats();
 138                         }
 139
 140                         @Override
 141                         public void onError(Throwable t) {
 142                                 GWT.log("", t);
 143                                 if (t instanceof RestException) {
 144                                         int statusCode = ((RestException) t).getHttpStatusCode();
 145                                         if (statusCode == 405)
 146                                                 GSS.get().displayError("You don't have the necessary permissions");
 147
 148                                         else if (statusCode == 409)
 149                                                 GSS.get().displayError("A folder with the same name already exists");
 150                                         else if (statusCode == 413)
 151                                                 GSS.get().displayError("Your quota has been exceeded");
 152                                         else
 153                                                 GSS.get().displayError("Unable to copy folder:" + ((RestException)t).getHttpStatusText());
 154                                 } else
 155                                         GSS.get().displayError("System error copying folder:" + t.getMessage());
 156                         }
 157                 };
 158                 DeferredCommand.addCommand(cf);
 159         }
 160
 161         private void moveFolder(final FolderResource target, final FolderResource toCopy, final List<TreeItem> items) {
 162                 String atarget = target.getUri();
 163                 atarget = atarget.endsWith("/") ? atarget : atarget + '/';
 164                 atarget = atarget + toCopy.getName();
 165
 166                 PostCommand cf = new PostCommand(toCopy.getUri() + "?move=" + atarget, "", 200) {
 167
 168                         @Override
 169                         public void onComplete() {
 170                                 final TreeItem folder;
 171                                 for(TreeItem i : items){
 172                                         DnDTreeItem id = (DnDTreeItem)i;
 173                                         if(id.getChild(toCopy) != null)
 174                                                 id.removeItem(id.getChild(toCopy));
 175                                 }
 176                                 GSS.get().getFolders().clearSelection();
 177                                 TreeItem folderTemp = GSS.get().getFolders().getUserItem(target);
 178                                 if (folderTemp == null)
 179                                         folder = GSS.get().getFolders().getOtherSharedItem(target);
 180                                 else
 181                                         folder = folderTemp;
 182                                 GSS.get().getFolders().updateFolder((DnDTreeItem) folder);
 183                                 GSS.get().showFileList(true);
 184                                 GSS.get().getStatusPanel().updateStats();
 185                         }
 186
 187                         @Override
 188                         public void onError(Throwable t) {
 189                                 GWT.log("", t);
 190                                 if (t instanceof RestException) {
 191                                         int statusCode = ((RestException) t).getHttpStatusCode();
 192                                         if (statusCode == 405)
 193                                                 GSS.get().displayError("You don't have the necessary permissions");
 194
 195                                         else if (statusCode == 409)
 196                                                 GSS.get().displayError("A folder with the same name already exists");
 197                                         else if (statusCode == 413)
 198                                                 GSS.get().displayError("Your quota has been exceeded");
 199                                         else
 200                                                 GSS.get().displayError("Unable to copy folder:" + ((RestException)t).getHttpStatusText());
 201                                 } else
 202                                         GSS.get().displayError("System error copying folder:" + t.getMessage());
 203                         }
 204                 };
 205                 DeferredCommand.addCommand(cf);
 206         }
 207
 208         private void copyFiles(final FolderResource ftarget, List<FileResource> files) {
 209                 List<String> fileIds = new ArrayList<String>();
 210                 String target = ftarget.getUri();
 211                 target = target.endsWith("/") ? target : target + '/';
 212                 for (FileResource fileResource : files) {
 213                         String fileTarget = target + URL.encodeComponent(fileResource.getName());
 214                         fileIds.add(fileResource.getUri() + "?copy=" + fileTarget);
 215                 }
 216                 int index = 0;
 217                 executeCopyOrMoveFiles(index, fileIds);
 218
 219         }
 220
 221         private void moveFiles(final FolderResource ftarget, List<FileResource> files) {
 222                 List<String> fileIds = new ArrayList<String>();
 223                 String target = ftarget.getUri();
 224                 target = target.endsWith("/") ? target : target + '/';
 225                 for (FileResource fileResource : files) {
 226                         String fileTarget = target + URL.encodeComponent(fileResource.getName());
 227                         fileIds.add(fileResource.getUri() + "?move=" + fileTarget);
 228                 }
 229                 int index = 0;
 230                 executeCopyOrMoveFiles(index, fileIds);
 231
 232         }
 233
 234         private void trashFolder(final FolderResource folder, final List<TreeItem> items){
 235                 PostCommand tot = new PostCommand(folder.getUri()+"?trash=","",200){
 236
 237                         @Override
 238                         public void onComplete() {
 239                                 for(TreeItem item : items)
 240                                         GSS.get().getFolders().updateFolder((DnDTreeItem) item);
 241                                 GSS.get().getFolders().update(GSS.get().getFolders().getTrashItem());
 242                                 GSS.get().showFileList(true);
 243                         }
 244
 245                         @Override
 246                         public void onError(Throwable t) {
 247                                 GWT.log("", t);
 248                                 if(t instanceof RestException){
 249                                         int statusCode = ((RestException)t).getHttpStatusCode();
 250                                         if(statusCode == 405)
 251                                                 GSS.get().displayError("You don't have the necessary permissions");
 252                                         else if(statusCode == 404)
 253                                                 GSS.get().displayError("Folder does not exist");
 254                                         else
 255                                                 GSS.get().displayError("Unable to trash folder:"+((RestException)t).getHttpStatusText());
 256                                 }
 257                                 else
 258                                         GSS.get().displayError("System error trashing folder:"+t.getMessage());
 259                         }
 260                 };
 261                 DeferredCommand.addCommand(tot);
 262         }
 263
 264         private void trashFiles(List<FileResource> files){
 265                 final List<String> fileIds = new ArrayList<String>();
 266                 for(FileResource f : files)
 267                         fileIds.add(f.getUri()+"?trash=");
 268                 MultiplePostCommand tot = new MultiplePostCommand(fileIds.toArray(new String[0]),200){
 269
 270                         @Override
 271                         public void onComplete() {
 272                                 GSS.get().showFileList(true);
 273                         }
 274
 275                         @Override
 276                         public void onError(String p, Throwable t) {
 277                                 GWT.log("", t);
 278                                 if(t instanceof RestException){
 279                                         int statusCode = ((RestException)t).getHttpStatusCode();
 280                                         if(statusCode == 405)
 281                                                 GSS.get().displayError("You don't have the necessary permissions");
 282                                         else if(statusCode == 404)
 283                                                 GSS.get().displayError("File does not exist");
 284                                         else
 285                                                 GSS.get().displayError("Unable to trash file:"+((RestException)t).getHttpStatusText());
 286                                 }
 287                                 else
 288                                         GSS.get().displayError("System error trashing file:"+t.getMessage());
 289                         }
 290                 };
 291                 DeferredCommand.addCommand(tot);
 292         }
 293
 294
 295         private void executeCopyOrMoveFiles(final int index, final List<String> paths) {
 296                 if (index >= paths.size()) {
 297                         GSS.get().showFileList(true);
 298                         GSS.get().getStatusPanel().updateStats();
 299                         return;
 300                 }
 301                 PostCommand cf = new PostCommand(paths.get(index), "", 200) {
 302
 303                         @Override
 304                         public void onComplete() {
 305                                 executeCopyOrMoveFiles(index + 1, paths);
 306                         }
 307
 308                         @Override
 309                         public void onError(Throwable t) {
 310                                 GWT.log("", t);
 311                                 if (t instanceof RestException) {
 312                                         int statusCode = ((RestException) t).getHttpStatusCode();
 313                                         if (statusCode == 405)
 314                                                 GSS.get().displayError("You don't have the necessary permissions");
 315                                         else if (statusCode == 404)
 316                                                 GSS.get().displayError("File not found");
 317                                         else if (statusCode == 409)
 318                                                 GSS.get().displayError("A file with the same name already exists");
 319                                         else if (statusCode == 413)
 320                                                 GSS.get().displayError("Your quota has been exceeded");
 321                                         else
 322                                                 GSS.get().displayError("Unable to copy file:" + ((RestException)t).getHttpStatusText());
 323                                 } else
 324                                         GSS.get().displayError("System error copying file:" + t.getMessage());
 325
 326                         }
 327                 };
 328                 DeferredCommand.addCommand(cf);
 329         }
 330
 331 }