/*
Copyright 2008-2010 Gephi
Authors : Mathieu Bastian <mathieu.bastian@gephi.org>
Website : http://www.gephi.org
This file is part of Gephi.
Gephi is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
Gephi is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with Gephi. If not, see <http://www.gnu.org/licenses/>.
*/
package org.gephi.branding.desktop;
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.UnsupportedFlavorException;
import java.io.File;
import java.io.IOException;
import java.util.List;
import javax.swing.JFrame;
import javax.swing.TransferHandler;
import org.gephi.desktop.importer.api.ImportControllerUI;
import org.gephi.desktop.project.api.ProjectControllerUI;
import org.openide.DialogDisplayer;
import org.openide.NotifyDescriptor;
import org.openide.filesystems.FileObject;
import org.openide.filesystems.FileUtil;
import org.openide.util.Exceptions;
import org.openide.util.Lookup;
import org.openide.util.NbBundle;
import org.openide.windows.WindowManager;
/**
* See <a href="http://java.sun.com/docs/books/tutorial/uiswing/dnd/toplevel.html">Top-Level Drop Swing tutorial</a>
*
* @author Mathieu Bastian
*/
public class DragNDropFrameAdapter {
private static final String GEPHI_EXTENSION = "gephi";
public static void register() {
JFrame frame = (JFrame) WindowManager.getDefault().getMainWindow();
frame.setTransferHandler(new TransferHandler() {
@Override
public boolean canImport(TransferHandler.TransferSupport support) {
if (!support.isDataFlavorSupported(DataFlavor.javaFileListFlavor)) {
return false;
}
//Due to bug 6759788 - http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6759788
//Impossible to get data here and look if compatible format
return true;
}
@Override
public boolean importData(TransferHandler.TransferSupport support) {
if (!canImport(support)) {
return false;
}
try {
List data = (List) support.getTransferable().getTransferData(DataFlavor.javaFileListFlavor);
File file = (File) data.get(0);
FileObject fileObject = FileUtil.toFileObject(file);
if(!file.exists()) {
return false;
}
if (fileObject.hasExt(GEPHI_EXTENSION)) {
ProjectControllerUI pc = Lookup.getDefault().lookup(ProjectControllerUI.class);
try {
pc.openProject(file);
} catch (Exception ew) {
ew.printStackTrace();
NotifyDescriptor.Message msg = new NotifyDescriptor.Message(NbBundle.getMessage(DragNDropFrameAdapter.class, "DragNDropFrameAdapter.openGephiError"), NotifyDescriptor.WARNING_MESSAGE);
DialogDisplayer.getDefault().notify(msg);
}
} else {
ImportControllerUI importController = Lookup.getDefault().lookup(ImportControllerUI.class);
if (importController.getImportController().isFileSupported(FileUtil.toFile(fileObject))) {
importController.importFile(fileObject);
} else {
return false;
}
}
return true;
} catch (UnsupportedFlavorException ex) {
Exceptions.printStackTrace(ex);
} catch (IOException ex) {
Exceptions.printStackTrace(ex);
}
return false;
}
});
}
}