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.AbstractImagePrototype;
  38 import com.google.gwt.user.client.ui.MenuBar;
  39 import com.google.gwt.user.client.ui.PopupPanel;
  40 import com.google.gwt.user.client.ui.TreeItem;
  41
  42 /**
  43  * @author kman
  44  */
  45 public class DnDFolderPopupMenu extends PopupPanel {
  46
  47         /**
  48          * The widget's images.
  49          */
  50         private final Folders.Images images;
  51
  52         public DnDFolderPopupMenu(final Folders.Images newImages, final FolderResource target, final Object toCopy, boolean othersShared) {
  53                 // The popup's constructor's argument is a boolean specifying that it
  54                 // auto-close itself when the user clicks outside of it.
  55                 super(true);
  56                 setAnimationEnabled(true);
  57                 images = newImages;
  58
  59                 // A dummy command that we will execute from unimplemented leaves.
  60                 final Command cancelCmd = new Command() {
  61
  62                         public void execute() {
  63                                 hide();
  64                         }
  65                 };
  66
  67                 final MenuBar contextMenu = new MenuBar(true);
  68                 final Folders folders = GSS.get().getFolders();
  69
  70                 contextMenu.addItem("<span>" + AbstractImagePrototype.create(newImages.cut()).getHTML() + "&nbsp;Move</span>", true, new Command() {
  71
  72                                 public void execute() {
  73                                         if (toCopy instanceof FolderResource){
  74                                                 List<TreeItem> treeItems = folders.getItemsOfTreeForPath(((RestResource) toCopy).getUri());
  75                                                 List<TreeItem> parents = new ArrayList();
  76                                                 for(TreeItem item : treeItems)
  77                                                         if(item.getParentItem() != null)
  78                                                                 parents.add(item.getParentItem());
  79                                                 moveFolder(target, (FolderResource) toCopy, parents);
  80                                         }
  81                                         else if(toCopy instanceof List)
  82                                                 moveFiles(target, (List<FileResource>) toCopy);
  83                                         hide();
  84                                 }
  85
  86                         }).setVisible(target != null);
  87
  88                 contextMenu.addItem("<span>" + AbstractImagePrototype.create(newImages.copy()).getHTML() + "&nbsp;Copy</span>", true, new Command() {
  89
  90                         public void execute() {
  91                                 if (toCopy instanceof FolderResource)
  92                                         copyFolder(target, (FolderResource) toCopy);
  93                                 else if(toCopy instanceof List)
  94                                         copyFiles(target, (List<FileResource>) toCopy);
  95                                 hide();
  96                         }
  97
  98                 }).setVisible(target != null);
  99
 100                 contextMenu.addItem("<span>" + AbstractImagePrototype.create(newImages.trash()).getHTML() + "&nbsp;Delete (Trash)</span>", true, new Command() {
 101
 102                         public void execute() {
 103                                 if (toCopy instanceof FolderResource){
 104                                         final List<TreeItem> treeItems = folders.getItemsOfTreeForPath(((RestResource) toCopy).getUri());
 105                                         List<TreeItem> parents = new ArrayList();
 106                                         for(TreeItem item : treeItems)
 107                                                 if(item.getParentItem() != null)
 108                                                         parents.add(item.getParentItem());
 109                                         trashFolder((FolderResource) toCopy, parents);
 110                                 }
 111                                 else if(toCopy instanceof List)
 112                                         trashFiles((List<FileResource>) toCopy);
 113                                 hide();
 114                         }
 115
 116                 }).setVisible(target == null);
 117                 contextMenu.addItem("<span>" + AbstractImagePrototype.create(newImages.delete()).getHTML() + "&nbsp;Cancel</span>", true, cancelCmd);
 118
 119                 add(contextMenu);
 120
 121         }
 122
 123         private void copyFolder(final FolderResource target, FolderResource toCopy) {
 124                 String atarget = target.getUri();
 125                 atarget = atarget.endsWith("/") ? atarget : atarget + '/';
 126                 atarget = atarget + toCopy.getName();
 127                 PostCommand cf = new PostCommand(toCopy.getUri() + "?copy=" + atarget, "", 200) {
 128
 129                         @Override
 130                         public void onComplete() {
 131                                 final TreeItem folder;
 132                                 TreeItem folderTemp = GSS.get().getFolders().getUserItem(target);
 133                                 if (folderTemp == null)
 134                                         folder = GSS.get().getFolders().getOtherSharedItem(target);
 135                                 else
 136                                         folder = folderTemp;
 137                                 GSS.get().getFolders().updateFolder((DnDTreeItem) folder);
 138                                 GSS.get().getStatusPanel().updateStats();
 139                         }
 140
 141                         @Override
 142                         public void onError(Throwable t) {
 143                                 GWT.log("", t);
 144                                 if (t instanceof RestException) {
 145                                         int statusCode = ((RestException) t).getHttpStatusCode();
 146                                         if (statusCode == 405)
 147                                                 GSS.get().displayError("You don't have the necessary permissions");
 148
 149                                         else if (statusCode == 409)
 150                                                 GSS.get().displayError("A folder with the same name already exists");
 151                                         else if (statusCode == 413)
 152                                                 GSS.get().displayError("Your quota has been exceeded");
 153                                         else
 154                                                 GSS.get().displayError("Unable to copy folder:" + ((RestException)t).getHttpStatusText());
 155                                 } else
 156                                         GSS.get().displayError("System error copying folder:" + t.getMessage());
 157                         }
 158                 };
 159                 DeferredCommand.addCommand(cf);
 160         }
 161
 162         private void moveFolder(final FolderResource target, final FolderResource toCopy, final List<TreeItem> items) {
 163                 String atarget = target.getUri();
 164                 atarget = atarget.endsWith("/") ? atarget : atarget + '/';
 165                 atarget = atarget + toCopy.getName();
 166
 167                 PostCommand cf = new PostCommand(toCopy.getUri() + "?move=" + atarget, "", 200) {
 168
 169                         @Override
 170                         public void onComplete() {
 171                                 final TreeItem folder;
 172                                 for(TreeItem i : items){
 173                                         DnDTreeItem id = (DnDTreeItem)i;
 174                                         if(id.getChild(toCopy) != null)
 175                                                 id.removeItem(id.getChild(toCopy));
 176                                 }
 177                                 GSS.get().getFolders().clearSelection();
 178                                 TreeItem folderTemp = GSS.get().getFolders().getUserItem(target);
 179                                 if (folderTemp == null)
 180                                         folder = GSS.get().getFolders().getOtherSharedItem(target);
 181                                 else
 182                                         folder = folderTemp;
 183                                 GSS.get().getFolders().updateFolder((DnDTreeItem) folder);
 184                                 GSS.get().showFileList(true);
 185                                 GSS.get().getStatusPanel().updateStats();
 186                         }
 187
 188                         @Override
 189                         public void onError(Throwable t) {
 190                                 GWT.log("", t);
 191                                 if (t instanceof RestException) {
 192                                         int statusCode = ((RestException) t).getHttpStatusCode();
 193                                         if (statusCode == 405)
 194                                                 GSS.get().displayError("You don't have the necessary permissions");
 195
 196                                         else if (statusCode == 409)
 197                                                 GSS.get().displayError("A folder with the same name already exists");
 198                                         else if (statusCode == 413)
 199                                                 GSS.get().displayError("Your quota has been exceeded");
 200                                         else
 201                                                 GSS.get().displayError("Unable to copy folder:" + ((RestException)t).getHttpStatusText());
 202                                 } else
 203                                         GSS.get().displayError("System error copying folder:" + t.getMessage());
 204                         }
 205                 };
 206                 DeferredCommand.addCommand(cf);
 207         }
 208
 209         private void copyFiles(final FolderResource ftarget, List<FileResource> files) {
 210                 List<String> fileIds = new ArrayList<String>();
 211                 String target = ftarget.getUri();
 212                 target = target.endsWith("/") ? target : target + '/';
 213                 for (FileResource fileResource : files) {
 214                         String fileTarget = target + URL.encodeComponent(fileResource.getName());
 215                         fileIds.add(fileResource.getUri() + "?copy=" + fileTarget);
 216                 }
 217                 int index = 0;
 218                 executeCopyOrMoveFiles(index, fileIds);
 219
 220         }
 221
 222         private void moveFiles(final FolderResource ftarget, List<FileResource> files) {
 223                 List<String> fileIds = new ArrayList<String>();
 224                 String target = ftarget.getUri();
 225                 target = target.endsWith("/") ? target : target + '/';
 226                 for (FileResource fileResource : files) {
 227                         String fileTarget = target + URL.encodeComponent(fileResource.getName());
 228                         fileIds.add(fileResource.getUri() + "?move=" + fileTarget);
 229                 }
 230                 int index = 0;
 231                 executeCopyOrMoveFiles(index, fileIds);
 232
 233         }
 234
 235         private void trashFolder(final FolderResource folder, final List<TreeItem> items){
 236                 PostCommand tot = new PostCommand(folder.getUri()+"?trash=","",200){
 237
 238                         @Override
 239                         public void onComplete() {
 240                                 for(TreeItem item : items)
 241                                         GSS.get().getFolders().updateFolder((DnDTreeItem) item);
 242                                 GSS.get().getFolders().update(GSS.get().getFolders().getTrashItem());
 243                                 GSS.get().showFileList(true);
 244                         }
 245
 246                         @Override
 247                         public void onError(Throwable t) {
 248                                 GWT.log("", t);
 249                                 if(t instanceof RestException){
 250                                         int statusCode = ((RestException)t).getHttpStatusCode();
 251                                         if(statusCode == 405)
 252                                                 GSS.get().displayError("You don't have the necessary permissions");
 253                                         else if(statusCode == 404)
 254                                                 GSS.get().displayError("Folder does not exist");
 255                                         else
 256                                                 GSS.get().displayError("Unable to trash folder:"+((RestException)t).getHttpStatusText());
 257                                 }
 258                                 else
 259                                         GSS.get().displayError("System error trashing folder:"+t.getMessage());
 260                         }
 261                 };
 262                 DeferredCommand.addCommand(tot);
 263         }
 264
 265         private void trashFiles(List<FileResource> files){
 266                 final List<String> fileIds = new ArrayList<String>();
 267                 for(FileResource f : files)
 268                         fileIds.add(f.getUri()+"?trash=");
 269                 MultiplePostCommand tot = new MultiplePostCommand(fileIds.toArray(new String[0]),200){
 270
 271                         @Override
 272                         public void onComplete() {
 273                                 GSS.get().showFileList(true);
 274                         }
 275
 276                         @Override
 277                         public void onError(String p, Throwable t) {
 278                                 GWT.log("", t);
 279                                 if(t instanceof RestException){
 280                                         int statusCode = ((RestException)t).getHttpStatusCode();
 281                                         if(statusCode == 405)
 282                                                 GSS.get().displayError("You don't have the necessary permissions");
 283                                         else if(statusCode == 404)
 284                                                 GSS.get().displayError("File does not exist");
 285                                         else
 286                                                 GSS.get().displayError("Unable to trash file:"+((RestException)t).getHttpStatusText());
 287                                 }
 288                                 else
 289                                         GSS.get().displayError("System error trashing file:"+t.getMessage());
 290                         }
 291                 };
 292                 DeferredCommand.addCommand(tot);
 293         }
 294
 295
 296         private void executeCopyOrMoveFiles(final int index, final List<String> paths) {
 297                 if (index >= paths.size()) {
 298                         GSS.get().showFileList(true);
 299                         GSS.get().getStatusPanel().updateStats();
 300                         return;
 301                 }
 302                 PostCommand cf = new PostCommand(paths.get(index), "", 200) {
 303
 304                         @Override
 305                         public void onComplete() {
 306                                 executeCopyOrMoveFiles(index + 1, paths);
 307                         }
 308
 309                         @Override
 310                         public void onError(Throwable t) {
 311                                 GWT.log("", t);
 312                                 if (t instanceof RestException) {
 313                                         int statusCode = ((RestException) t).getHttpStatusCode();
 314                                         if (statusCode == 405)
 315                                                 GSS.get().displayError("You don't have the necessary permissions");
 316                                         else if (statusCode == 404)
 317                                                 GSS.get().displayError("File not found");
 318                                         else if (statusCode == 409)
 319                                                 GSS.get().displayError("A file with the same name already exists");
 320                                         else if (statusCode == 413)
 321                                                 GSS.get().displayError("Your quota has been exceeded");
 322                                         else
 323                                                 GSS.get().displayError("Unable to copy file:" + ((RestException)t).getHttpStatusText());
 324                                 } else
 325                                         GSS.get().displayError("System error copying file:" + t.getMessage());
 326
 327                         }
 328                 };
 329                 DeferredCommand.addCommand(cf);
 330         }
 331
 332 }