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