code.grnet.gr Git - pithos-web-client/blob - src/gr/grnet/pithos/web/client/commands/PasteCommand.java

   1 /*
   2  * Copyright 2011-2012 GRNET S.A. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or
   5  * without modification, are permitted provided that the following
   6  * conditions are met:
   7  *
   8  *   1. Redistributions of source code must retain the above
   9  *      copyright notice, this list of conditions and the following
  10  *      disclaimer.
  11  *
  12  *   2. Redistributions in binary form must reproduce the above
  13  *      copyright notice, this list of conditions and the following
  14  *      disclaimer in the documentation and/or other materials
  15  *      provided with the distribution.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
  18  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  20  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
  21  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  22  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  23  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  24  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  25  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  27  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  28  * POSSIBILITY OF SUCH DAMAGE.
  29  *
  30  * The views and conclusions contained in the software and
  31  * documentation are those of the authors and should not be
  32  * interpreted as representing official policies, either expressed
  33  * or implied, of GRNET S.A.
  34  */
  35 package gr.grnet.pithos.web.client.commands;
  36
  37 import com.google.gwt.core.client.Scheduler;
  38 import gr.grnet.pithos.web.client.Clipboard;
  39 import gr.grnet.pithos.web.client.Pithos;
  40 import gr.grnet.pithos.web.client.foldertree.File;
  41 import gr.grnet.pithos.web.client.foldertree.Folder;
  42 import gr.grnet.pithos.web.client.foldertree.Resource;
  43 import gr.grnet.pithos.web.client.rest.PutRequest;
  44 import gr.grnet.pithos.web.client.rest.RestException;
  45
  46 import java.util.Iterator;
  47 import java.util.List;
  48
  49 import com.google.gwt.core.client.GWT;
  50 import com.google.gwt.http.client.Response;
  51 import com.google.gwt.http.client.URL;
  52 import com.google.gwt.user.client.Command;
  53 import com.google.gwt.user.client.ui.PopupPanel;
  54
  55 public class PasteCommand implements Command {
  56
  57         protected Pithos app;
  58         private PopupPanel containerPanel;
  59         protected Folder folder;
  60
  61         public PasteCommand(Pithos _app, PopupPanel _containerPanel, Folder _folder) {
  62         app = _app;
  63                 containerPanel = _containerPanel;
  64         folder = _folder;
  65         }
  66
  67         @Override
  68         public void execute() {
  69         if (containerPanel != null)
  70                 containerPanel.hide();
  71
  72         Object clipboardItem = app.getClipboard().getItem();
  73         if (clipboardItem == null)
  74             return;
  75         int operation = app.getClipboard().getOperation();
  76         if (clipboardItem instanceof Folder) {
  77             final Folder tobeCopied = (Folder) clipboardItem;
  78             if (operation == Clipboard.COPY) {
  79                 String targetUri = folder.getUri() + "/" + tobeCopied.getName();
  80                 app.copyFolder(tobeCopied, folder.getOwner(), targetUri, false, new Command() {
  81                     @Override
  82                     public void execute() {
  83                         app.getClipboard().clear();
  84                         app.updateFolder(folder, true, new Command() {
  85
  86                                                         @Override
  87                                                         public void execute() {
  88                                                                 app.updateStatistics();
  89                                                         }
  90                                                 }, true);
  91                     }
  92                 });
  93             }
  94             else {
  95                 String targetUri = folder.getUri() + "/" + tobeCopied.getName();
  96                 app.copyFolder(tobeCopied, folder.getOwner(), targetUri, true, new Command() {
  97                     @Override
  98                     public void execute() {
  99                         app.getClipboard().clear();
 100                         app.updateFolder(folder, true, null, true);
 101                     }
 102                 });
 103             }
 104         }
 105         else {
 106             @SuppressWarnings("unchecked")
 107                         List<File> tobeCopied = (List<File>) clipboardItem;
 108             Iterator<File> iter = tobeCopied.iterator();
 109             if (operation == Clipboard.COPY) {
 110                 app.copyFiles(iter, folder.getOwner(), folder.getUri(), new Command() {
 111                     @Override
 112                     public void execute() {
 113                         app.getClipboard().clear();
 114                         app.updateFolder(folder, true, new Command() {
 115
 116                                                         @Override
 117                                                         public void execute() {
 118                                                                 app.updateStatistics();
 119                                                         }
 120                                                 }, true);
 121                     }
 122                 });
 123             }
 124             else {
 125                 moveFiles(iter, new Command() {
 126                     @Override
 127                     public void execute() {
 128                         app.getClipboard().clear();
 129                         app.updateFolder(folder, true, null, true);
 130                     }
 131                 });
 132             }
 133         }
 134         }
 135
 136         protected void moveFiles(final Iterator<File> iter, final Command callback) {
 137         if (iter.hasNext()) {
 138             File file = iter.next();
 139             String path = folder.getUri() + "/" + file.getName();
 140             PutRequest copyFile = new PutRequest(app.getApiPath(), folder.getOwner(), path) {
 141                 @Override
 142                 public void onSuccess(Resource result) {
 143                     moveFiles(iter, callback);
 144                 }
 145
 146                 @Override
 147                 public void onError(Throwable t) {
 148                     GWT.log("", t);
 149                                         app.setError(t);
 150                     if (t instanceof RestException) {
 151                         app.displayError("Unable to copy file: " + ((RestException) t).getHttpStatusText());
 152                     }
 153                     else
 154                         app.displayError("System error unable to copy file: "+t.getMessage());
 155                 }
 156
 157                                 @Override
 158                                 protected void onUnauthorized(Response response) {
 159                                         app.sessionExpired();
 160                                 }
 161             };
 162             copyFile.setHeader("X-Auth-Token", app.getToken());
 163             copyFile.setHeader("X-Move-From", URL.encodePathSegment(file.getUri()));
 164             copyFile.setHeader("Content-Type", file.getContentType());
 165             Scheduler.get().scheduleDeferred(copyFile);
 166         }
 167         else if (callback != null) {
 168             callback.execute();
 169         }
 170     }
 171 }