/*
* DesktopFileDialogs.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.common.impl;
import com.google.gwt.core.client.Scheduler;
import com.google.gwt.core.client.Scheduler.ScheduledCommand;
import com.google.inject.Inject;
import org.rstudio.core.client.StringUtil;
import org.rstudio.core.client.files.FileSystemContext;
import org.rstudio.core.client.files.FileSystemItem;
import org.rstudio.core.client.widget.NullProgressIndicator;
import org.rstudio.core.client.widget.ProgressOperationWithInput;
import org.rstudio.studio.client.RStudioGinjector;
import org.rstudio.studio.client.application.Desktop;
import org.rstudio.studio.client.common.FileDialogs;
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.workbench.views.files.model.FilesServerOperations;
public class DesktopFileDialogs implements FileDialogs
{
private abstract class FileDialogOperation
{
abstract String operation(String caption, String dir);
protected boolean shouldUpdateDetails()
{
return false;
}
public void execute(
final String caption,
FileSystemContext fsContext,
FileSystemItem initialFilePath,
final ProgressOperationWithInput<FileSystemItem> operation)
{
final String dir = initialFilePath == null
? fsContext.pwd()
: initialFilePath.getPath();
Scheduler.get().scheduleDeferred(new ScheduledCommand()
{
public void execute()
{
String file = operation(caption, dir);
FileSystemItem item =
StringUtil.isNullOrEmpty(file)
? null
: FileSystemItem.createFile(file);
if (item != null && shouldUpdateDetails())
{
server_.stat(item.getPath(), new ServerRequestCallback<FileSystemItem>()
{
@Override
public void onResponseReceived(FileSystemItem response)
{
operation.execute(response, new NullProgressIndicator());
}
@Override
public void onError(ServerError error)
{
globalDisplay_.showErrorMessage("Error",
error.getUserMessage());
operation.execute(null, new NullProgressIndicator());
}
});
}
else
{
operation.execute(item, new NullProgressIndicator());
}
}
});
}
}
public DesktopFileDialogs()
{
RStudioGinjector.INSTANCE.injectMembers(this);
}
@Inject
public void initialize(FilesServerOperations server,
GlobalDisplay globalDisplay)
{
server_ = server;
globalDisplay_ = globalDisplay;
}
public void openFile(final String caption,
final FileSystemContext fsContext,
final FileSystemItem initialFilePath,
final ProgressOperationWithInput<FileSystemItem> operation)
{
openFile(caption, fsContext, initialFilePath, "", operation);
}
public void openFile(final String caption,
final FileSystemContext fsContext,
final FileSystemItem initialFilePath,
final String filter,
final ProgressOperationWithInput<FileSystemItem> operation)
{
new FileDialogOperation()
{
@Override
protected boolean shouldUpdateDetails()
{
return true;
}
@Override
String operation(String caption, String dir)
{
String fileName = Desktop.getFrame().getOpenFileName(caption,
dir,
filter);
if (fileName != null)
{
updateWorkingDirectory(fileName, fsContext);
}
return fileName;
}
}.execute(caption, fsContext, initialFilePath, operation);
}
public void saveFile(final String caption,
final FileSystemContext fsContext,
final FileSystemItem initialFilePath,
final String defaultExtension,
final boolean forceDefaultExtension,
final ProgressOperationWithInput<FileSystemItem> operation)
{
new FileDialogOperation()
{
@Override
String operation(String caption, String dir)
{
String fileName = Desktop.getFrame().getSaveFileName(
caption, dir, defaultExtension, forceDefaultExtension);
if (fileName != null)
{
updateWorkingDirectory(fileName, fsContext);
}
return fileName;
}
}.execute(caption,
fsContext,
initialFilePath,
operation);
}
public void chooseFolder(String caption,
FileSystemContext fsContext,
final FileSystemItem initialDir,
ProgressOperationWithInput<FileSystemItem> operation)
{
new FileDialogOperation()
{
@Override
String operation(String caption, String dir)
{
return Desktop.getFrame().getExistingDirectory(
caption,
initialDir != null ? initialDir.getPath() : null);
}
}.execute(caption, fsContext, null, operation);
}
private void updateWorkingDirectory(String fileName,
FileSystemContext fsContext)
{
if (fileName != null)
{
String parentPath =
FileSystemItem.createFile(fileName).getParentPathString();
if (!StringUtil.isNullOrEmpty(parentPath))
fsContext.cd(parentPath);
}
}
private FilesServerOperations server_;
private GlobalDisplay globalDisplay_;
}