/*
* $RCSfile$
* $Author: egonw $
* $Date: 2007-01-04 17:26:00 +0000 (Thu, 04 Jan 2007) $
* $Revision: 7634 $
*
* Copyright (C) 1997-2008 Stefan Kuhn
*
* Contact: cdk-jchempaint@lists.sourceforge.net
*
* This program 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 2.1
* of the License, or (at your option) any later version.
* All we ask is that proper credit is given for our work, which includes
* - but is not limited to - adding the above copyright notice to the beginning
* of your source code files, and to any copyright notice that you may distribute
* with programs based on this work.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package org.openscience.jchempaint.action;
import java.awt.event.ActionEvent;
import java.awt.image.RenderedImage;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import javax.imageio.ImageIO;
import javax.swing.JFileChooser;
import javax.swing.JOptionPane;
import javax.swing.filechooser.FileFilter;
import org.openscience.jchempaint.GT;
import org.openscience.jchempaint.JChemPaintPanel;
import org.openscience.jchempaint.io.IJCPFileFilter;
import org.openscience.jchempaint.io.JCPExportFileFilter;
import org.openscience.jchempaint.io.JCPFileView;
/**
* Opens a save dialog
*
*/
public class ExportAction extends SaveAsAction {
private static final long serialVersionUID = -6748046051686998776L;
private FileFilter currentFilter = null;
public ExportAction() {
super();
}
/**
* Constructor for the ExportAction object
*
*@param jcpPanel
* the parent Panel
*@param isPopupAction
* true if this is a popup action
*/
public ExportAction(JChemPaintPanel jcpPanel, boolean isPopupAction) {
super(jcpPanel, isPopupAction);
}
/**
* Exports the canvas as an image.
*
*@param event
* the action event that triggered this action.
*/
public void actionPerformed(ActionEvent event) {
JFileChooser chooser = new JFileChooser();
chooser.setCurrentDirectory(this.jcpPanel.getCurrentWorkDirectory());
chooser.setAcceptAllFileFilterUsed(false);
JCPExportFileFilter.addChoosableFileFilters(chooser);
if (currentFilter != null) {
{
for(int i=0;i<chooser.getChoosableFileFilters().length;i++){
if(chooser.getChoosableFileFilters()[i].getDescription().equals(currentFilter.getDescription()))
chooser.setFileFilter(chooser.getChoosableFileFilters()[i]);
}
}
}
chooser.setFileView(new JCPFileView());
int returnVal = chooser.showSaveDialog(jcpPanel);
currentFilter = chooser.getFileFilter();
if (returnVal == JFileChooser.APPROVE_OPTION) {
if(!(currentFilter instanceof IJCPFileFilter)){
JOptionPane.showMessageDialog(jcpPanel, GT.get("Please chose a file type!"), GT.get("No file type chosen"), JOptionPane.INFORMATION_MESSAGE);
return;
}else{
type = ((JCPExportFileFilter) currentFilter).getType();
File outFile = new File(
chooser.getSelectedFile().getAbsolutePath());
String fileName = outFile.toString();
if (!fileName.endsWith("."+type)) {
fileName += "."+type;
outFile = new File(fileName);
}
if (outFile.exists()) {
String message = GT.get("File already exists. Do you want to overwrite it?");
String title = GT.get("File already exists");
int value = JOptionPane.showConfirmDialog(jcpPanel, message,
title, JOptionPane.YES_NO_OPTION);
if (value == JOptionPane.NO_OPTION) {
return;
}
}
if (type.equals(JCPExportFileFilter.svg)) {
try {
String svg = this.jcpPanel.getSVGString();
FileWriter writer = new FileWriter(outFile);
writer.append(svg);
writer.flush();
JOptionPane.showMessageDialog(jcpPanel,
GT.get("Exported image to {0}", outFile.getName()));
return;
} catch (IOException e) {
String error = GT.get("Problem exporting to SVG");
JOptionPane.showMessageDialog(jcpPanel, error);
return;
}
} else {
RenderedImage image = (RenderedImage) this.jcpPanel
.takeSnapshot();
try {
String imageIOType;
if (type.equals(JCPExportFileFilter.bmp)) {
imageIOType = "BMP";
} else if (type.equals(JCPExportFileFilter.jpg)) {
imageIOType = "JPEG";
} else {
imageIOType = "PNG";
}
boolean succeeded = ImageIO.write(image, imageIOType,
outFile);
if (succeeded) {
JOptionPane.showMessageDialog(jcpPanel,
GT.get("Exported image to {0}", outFile.getName()));
return;
} else {
// no writer of type imageIOType found
ImageIO.write(image, "PNG", outFile);
JOptionPane.showMessageDialog(jcpPanel,
GT.get("Exported image to {0} as PNG, since {1} could not be written",
new String[]{outFile.getName(), type}));
return;
}
} catch (IOException ioe) {
ioe.printStackTrace();
JOptionPane.showMessageDialog(jcpPanel,
GT.get("Problem exporting image"));
}
}
}
} else if (returnVal == JFileChooser.CANCEL_OPTION) {
return;
}
}
}