/*
* FilesUpload.java
*
* Copyright (C) 2009-12 by RStudio, Inc.
*
* Unless you have received this program directly from RStudio pursuant
* to the terms of a commercial license agreement with RStudio, then
* this program is licensed to you under the terms of version 3 of the
* GNU Affero General Public License. This program is distributed WITHOUT
* ANY EXPRESS OR IMPLIED WARRANTY, INCLUDING THOSE OF NON-INFRINGEMENT,
* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Please refer to the
* AGPL (http://www.gnu.org/licenses/agpl-3.0.txt) for more details.
*
*/
package org.rstudio.studio.client.workbench.views.files;
import com.google.gwt.core.client.JsArray;
import com.google.gwt.user.client.Command;
import com.google.inject.Inject;
import org.rstudio.core.client.files.FileSystemItem;
import org.rstudio.core.client.widget.MessageDialog;
import org.rstudio.core.client.widget.Operation;
import org.rstudio.core.client.widget.OperationWithInput;
import org.rstudio.studio.client.common.GlobalDisplay;
import org.rstudio.studio.client.server.ServerError;
import org.rstudio.studio.client.server.ServerRequestCallback;
import org.rstudio.studio.client.server.Void;
import org.rstudio.studio.client.workbench.model.RemoteFileSystemContext;
import org.rstudio.studio.client.workbench.views.files.model.FileUploadToken;
import org.rstudio.studio.client.workbench.views.files.model.FilesServerOperations;
import org.rstudio.studio.client.workbench.views.files.model.PendingFileUpload;
public class FilesUpload
{
@Inject
public FilesUpload(Files.Display display,
GlobalDisplay globalDisplay,
FilesServerOperations server)
{
display_ = display;
globalDisplay_ = globalDisplay;
server_ = server;
}
void execute(FileSystemItem targetDirectory,
RemoteFileSystemContext fileSystemContext)
{
// this can be invoked from the other side of the async shim
// so make sure we come to the front whenever this is called
display_.bringToFront();
display_.showFileUpload(
server_.getFileUploadUrl(),
targetDirectory,
fileSystemContext,
new OperationWithInput<PendingFileUpload>() {
public void execute(PendingFileUpload pendingUpload)
{
// confirm overwrites if necessary
FileUploadToken token = pendingUpload.getToken();
if (pendingUpload.getOverwrites().length() > 0)
{
globalDisplay_.showYesNoMessage(
MessageDialog.WARNING,
"Confirm Overwrite",
confirmFileUploadOverwriteMessage(pendingUpload),
false,
completeFileUploadOperation(token, true),
completeFileUploadOperation(token, false),
false);
}
else
{
completeFileUploadOperation(token, true).execute();
}
}
});
}
private String confirmFileUploadOverwriteMessage(
PendingFileUpload pendingUpload)
{
JsArray<FileSystemItem> overwrites = pendingUpload.getOverwrites();
FileSystemItem firstFile = overwrites.get(0);
boolean multiple = overwrites.length() > 1 ;
StringBuilder msg = new StringBuilder();
msg.append("The upload will overwrite ");
if (multiple)
msg.append("multiple files including ");
else
msg.append("the file ");
msg.append("\"" + firstFile.getPath() + "\". ");
msg.append("Are you sure you want to overwrite ");
if (multiple)
msg.append("these files?");
else
msg.append("this file?");
return msg.toString();
}
private Operation completeFileUploadOperation(final FileUploadToken token,
final boolean commit)
{
return new Operation()
{
public void execute()
{
String msg = (commit ? "Completing" : "Cancelling") +
" file upload...";
final Command dismissProgress = globalDisplay_.showProgress(msg);
server_.completeUpload(token,
commit,
new ServerRequestCallback<Void>() {
@Override
public void onResponseReceived(Void response)
{
dismissProgress.execute();
}
@Override
public void onError(ServerError error)
{
dismissProgress.execute();
globalDisplay_.showErrorMessage("File Upload Error",
error.getUserMessage());
}
});
}
};
}
private final Files.Display display_;
private final GlobalDisplay globalDisplay_ ;
private final FilesServerOperations server_ ;
}