/*
* Copyright (C) 2008-2015 by Holger Arndt
*
* This file is part of the Universal Java Matrix Package (UJMP).
* See the NOTICE file distributed with this work for additional
* information regarding copyright ownership and licensing.
*
* UJMP is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* UJMP 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with UJMP; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
package org.ujmp.gui.actions;
import java.awt.event.KeyEvent;
import java.io.File;
import javax.swing.Action;
import javax.swing.JComponent;
import javax.swing.JFileChooser;
import javax.swing.filechooser.FileFilter;
import org.ujmp.core.Matrix;
import org.ujmp.core.filematrix.FileFormat;
import org.ujmp.core.interfaces.GUIObject;
public class LinkMatrixToFileAction extends AbstractObjectAction {
private static final long serialVersionUID = -5948577771230452714L;
public LinkMatrixToFileAction(JComponent c, GUIObject m) {
super(c, m);
putValue(Action.NAME, "to File...");
putValue(Action.SHORT_DESCRIPTION, "link a matrix to a file on disk");
putValue(Action.MNEMONIC_KEY, KeyEvent.VK_F);
}
public Object call() {
try {
File file = null;
FileFormat fileFormat = null;
JFileChooser chooser = new JFileChooser();
for (FileFormat f : FileFormat.values()) {
chooser.addChoosableFileFilter(f.getFileFilter());
}
chooser.setFileFilter(FileFormat.CSV.getFileFilter());
chooser.setAcceptAllFileFilterUsed(false);
chooser.setDialogTitle("Link");
int returnVal = chooser.showOpenDialog(null);
if (returnVal == JFileChooser.APPROVE_OPTION) {
file = chooser.getSelectedFile();
FileFilter filter = chooser.getFileFilter();
for (FileFormat f : FileFormat.values()) {
if (filter.equals(f.getFileFilter())) {
fileFormat = f;
}
}
}
if (file == null)
return null;
Matrix m = Matrix.Factory.linkTo().file(file).asDenseCSV();
return m;
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
}