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                 if (!othersShared)
  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                         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                         }
 137
 138                         public void onError(Throwable t) {
 139                                 GWT.log("", t);
 140                                 if (t instanceof RestException) {
 141                                         int statusCode = ((RestException) t).getHttpStatusCode();
 142                                         if (statusCode == 405)
 143                                                 GSS.get().displayError("You don't have the necessary permissions");
 144
 145                                         else if (statusCode == 409)
 146                                                 GSS.get().displayError("A folder with the same name already exists");
 147                                         else if (statusCode == 413)
 148                                                 GSS.get().displayError("Your quota has been exceeded");
 149                                         else
 150                                                 GSS.get().displayError("Unable to copy folder:" + ((RestException)t).getHttpStatusText());
 151                                 } else
 152                                         GSS.get().displayError("System error copying folder:" + t.getMessage());
 153                         }
 154                 };
 155                 DeferredCommand.addCommand(cf);
 156         }
 157
 158         private void moveFolder(final FolderResource target, final FolderResource toCopy, final List<TreeItem> items) {
 159                 String atarget = target.getUri();
 160                 atarget = atarget.endsWith("/") ? atarget : atarget + '/';
 161                 atarget = atarget + toCopy.getName();
 162
 163                 PostCommand cf = new PostCommand(toCopy.getUri() + "?move=" + atarget, "", 200) {
 164
 165                         public void onComplete() {
 166                                 final TreeItem folder;
 167                                 for(TreeItem i : items){
 168                                         DnDTreeItem id = (DnDTreeItem)i;
 169                                         if(id.getChild(toCopy) != null)
 170                                                 id.removeItem(id.getChild(toCopy));
 171                                 }
 172                                 GSS.get().getFolders().clearSelection();
 173                                 TreeItem folderTemp = GSS.get().getFolders().getUserItem(target);
 174                                 if (folderTemp == null)
 175                                         folder = GSS.get().getFolders().getOtherSharedItem(target);
 176                                 else
 177                                         folder = folderTemp;
 178                                 GSS.get().getFolders().updateFolder((DnDTreeItem) folder);
 179                                 GSS.get().showFileList(true);
 180                         }
 181
 182                         public void onError(Throwable t) {
 183                                 GWT.log("", t);
 184                                 if (t instanceof RestException) {
 185                                         int statusCode = ((RestException) t).getHttpStatusCode();
 186                                         if (statusCode == 405)
 187                                                 GSS.get().displayError("You don't have the necessary permissions");
 188
 189                                         else if (statusCode == 409)
 190                                                 GSS.get().displayError("A folder with the same name already exists");
 191                                         else if (statusCode == 413)
 192                                                 GSS.get().displayError("Your quota has been exceeded");
 193                                         else
 194                                                 GSS.get().displayError("Unable to copy folder:" + ((RestException)t).getHttpStatusText());
 195                                 } else
 196                                         GSS.get().displayError("System error copying folder:" + t.getMessage());
 197                         }
 198                 };
 199                 DeferredCommand.addCommand(cf);
 200         }
 201
 202         private void copyFiles(final FolderResource ftarget, List<FileResource> files) {
 203                 List<String> fileIds = new ArrayList<String>();
 204                 String target = ftarget.getUri();
 205                 target = target.endsWith("/") ? target : target + '/';
 206                 for (FileResource fileResource : files) {
 207                         String fileTarget = target + fileResource.getName();
 208                         fileIds.add(fileResource.getUri() + "?copy=" + fileTarget);
 209                 }
 210                 int index = 0;
 211                 executeCopyOrMoveFiles(index, fileIds);
 212
 213         }
 214
 215         private void moveFiles(final FolderResource ftarget, List<FileResource> files) {
 216                 List<String> fileIds = new ArrayList<String>();
 217                 String target = ftarget.getUri();
 218                 target = target.endsWith("/") ? target : target + '/';
 219                 for (FileResource fileResource : files) {
 220                         String fileTarget = target + fileResource.getName();
 221                         fileIds.add(fileResource.getUri() + "?move=" + fileTarget);
 222                 }
 223                 int index = 0;
 224                 executeCopyOrMoveFiles(index, fileIds);
 225
 226         }
 227
 228         private void trashFolder(final FolderResource folder, final List<TreeItem> items){
 229                 PostCommand tot = new PostCommand(folder.getUri()+"?trash=","",200){
 230
 231                         public void onComplete() {
 232                                 for(TreeItem item : items)
 233                                         GSS.get().getFolders().updateFolder((DnDTreeItem) item);
 234                                 GSS.get().getFolders().update(GSS.get().getFolders().getTrashItem());
 235                                 GSS.get().showFileList(true);
 236                         }
 237
 238                         public void onError(Throwable t) {
 239                                 GWT.log("", t);
 240                                 if(t instanceof RestException){
 241                                         int statusCode = ((RestException)t).getHttpStatusCode();
 242                                         if(statusCode == 405)
 243                                                 GSS.get().displayError("You don't have the necessary permissions");
 244                                         else if(statusCode == 404)
 245                                                 GSS.get().displayError("Folder does not exist");
 246                                         else
 247                                                 GSS.get().displayError("Unable to trash folder:"+((RestException)t).getHttpStatusText());
 248                                 }
 249                                 else
 250                                         GSS.get().displayError("System error trashing folder:"+t.getMessage());
 251                         }
 252                 };
 253                 DeferredCommand.addCommand(tot);
 254         }
 255
 256         private void trashFiles(List<FileResource> files){
 257                 final List<String> fileIds = new ArrayList<String>();
 258                 for(FileResource f : files)
 259                         fileIds.add(f.getUri()+"?trash=");
 260                 MultiplePostCommand tot = new MultiplePostCommand(fileIds.toArray(new String[0]),200){
 261
 262                         public void onComplete() {
 263                                 GSS.get().showFileList(true);
 264                         }
 265
 266
 267                         public void onError(String p, Throwable t) {
 268                                 GWT.log("", t);
 269                                 if(t instanceof RestException){
 270                                         int statusCode = ((RestException)t).getHttpStatusCode();
 271                                         if(statusCode == 405)
 272                                                 GSS.get().displayError("You don't have the necessary permissions");
 273                                         else if(statusCode == 404)
 274                                                 GSS.get().displayError("File does not exist");
 275                                         else
 276                                                 GSS.get().displayError("Unable to trash file:"+((RestException)t).getHttpStatusText());
 277                                 }
 278                                 else
 279                                         GSS.get().displayError("System error trashing file:"+t.getMessage());
 280                         }
 281                 };
 282                 DeferredCommand.addCommand(tot);
 283         }
 284
 285
 286         private void executeCopyOrMoveFiles(final int index, final List<String> paths) {
 287                 if (index >= paths.size()) {
 288                         GSS.get().showFileList(true);
 289                         return;
 290                 }
 291                 PostCommand cf = new PostCommand(paths.get(index), "", 200) {
 292
 293                         @Override
 294                         public void onComplete() {
 295                                 executeCopyOrMoveFiles(index + 1, paths);
 296                         }
 297
 298                         @Override
 299                         public void onError(Throwable t) {
 300                                 GWT.log("", t);
 301                                 if (t instanceof RestException) {
 302                                         int statusCode = ((RestException) t).getHttpStatusCode();
 303                                         if (statusCode == 405)
 304                                                 GSS.get().displayError("You don't have the necessary permissions");
 305                                         else if (statusCode == 404)
 306                                                 GSS.get().displayError("File not found");
 307                                         else if (statusCode == 409)
 308                                                 GSS.get().displayError("A file with the same name already exists");
 309                                         else if (statusCode == 413)
 310                                                 GSS.get().displayError("Your quota has been exceeded");
 311                                         else
 312                                                 GSS.get().displayError("Unable to copy file:" + ((RestException)t).getHttpStatusText());
 313                                 } else
 314                                         GSS.get().displayError("System error copying file:" + t.getMessage());
 315
 316                         }
 317                 };
 318                 DeferredCommand.addCommand(cf);
 319         }
 320
 321 }