/jcae/mesh-algos/src/org/jcae/netbeans/mesh/ExportGroupAction.java

/*
 * Project Info:  http://jcae.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.
 *
 * 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.,
 * 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
 *
 * (C) Copyright 2007, by EADS France
 */

package org.jcae.netbeans.mesh;

import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.io.*;
import java.util.HashSet;
import javax.swing.BorderFactory;
import javax.swing.JComboBox;
import javax.swing.JFileChooser;
import javax.swing.JFormattedTextField;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JSeparator;
import javax.xml.parsers.ParserConfigurationException;
import org.jcae.mesh.xmldata.MeshExporter;
import org.jcae.netbeans.DoubleFormatter;
import org.openide.ErrorManager;
import org.openide.filesystems.FileObject;
import org.openide.filesystems.FileUtil;
import org.openide.nodes.Node;
import org.openide.util.HelpCtx;
import org.openide.util.actions.CookieAction;
import org.xml.sax.SAXException;

public class ExportGroupAction extends CookieAction
{
	public static class ChooseUnitPanel extends JPanel
	{	
		private JFormattedTextField scaleField = new JFormattedTextField(1E-3);
		private JComboBox unitCombo = new JComboBox(new Object[]{"m", "mm"});
		
		public ChooseUnitPanel()
		{
			setLayout(new GridBagLayout());
			setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
			GridBagConstraints gbc = new GridBagConstraints();
			gbc.anchor = GridBagConstraints.WEST;
			add(new JLabel("Unit:"), gbc);
			gbc = new GridBagConstraints();
			gbc.gridy = 1;
			add(unitCombo, gbc);
			gbc = new GridBagConstraints();
			gbc.gridy = 2;
			gbc.fill = GridBagConstraints.HORIZONTAL;
			gbc.insets = new Insets(5, 5, 5, 5);
			add(new JSeparator(), gbc);
			gbc = new GridBagConstraints();
			gbc.gridy = 3;
			gbc.anchor = GridBagConstraints.WEST;
			add(new JLabel("Scale:"), gbc);
			gbc = new GridBagConstraints();
			gbc.gridy = 4;
			gbc.anchor = GridBagConstraints.NORTH;
			gbc.fill = GridBagConstraints.HORIZONTAL;
			gbc.weightx = 1.0;
			gbc.weighty = 1.0;
			add(scaleField, gbc);
			scaleField.setFormatterFactory(DoubleFormatter.FACTORY);
		}
		
		public boolean isMeters()
		{
			return unitCombo.getSelectedIndex() == 0;
		}
		
		public double getScale()
		{
			return (Double)scaleField.getValue();
		}
	}	
	
	protected int mode()
	{
		return CookieAction.MODE_ALL;
	}

	protected Class[] cookieClasses()
	{
		return new Class[]{GroupNode.class};
	}

	@Override
	protected void performAction(Node[] arg0)
	{
		try
		{
			HashSet<String> set=new HashSet<String>();
			AmibeDataObject amibeDataObject=null;
			for(int i=0; i<arg0.length; i++)
			{
				amibeDataObject=arg0[i].getParentNode().getParentNode()
					.getLookup().lookup(AmibeDataObject.class);
				set.add(amibeDataObject.getMeshDirectory());
			}
			
			if(set.size()>1)
			{
				JOptionPane.showMessageDialog(null,
					"UNV export can only work with groups from the same mesh");
				return;
			}
			
			String meshDir=set.toArray()[0].toString();
			FileObject meshDirFile=
				amibeDataObject.getPrimaryFile().getParent();
			
			JFileChooser jfc=new JFileChooser();
			ChooseUnitPanel unitPanel=new ChooseUnitPanel();
			jfc.setAccessory(unitPanel);
			jfc.setCurrentDirectory(FileUtil.toFile(meshDirFile));
			if(jfc.showSaveDialog(null)==JFileChooser.APPROVE_OPTION)
			{
				String[] ids=new String[arg0.length];
				for(int i=0; i<arg0.length; i++)
				{
					GroupNode n=arg0[i].getCookie(GroupNode.class);
					ids[i]=n.getGroup().getName();
				}			
				String unvFile=jfc.getSelectedFile().getPath();
				
				if(!unvFile.endsWith(".unv"))
					unvFile+=".unv";
				
				PrintStream stream=new PrintStream(new BufferedOutputStream(
					new FileOutputStream(unvFile)));				
				MeshExporter.UNV exporter=new MeshExporter.UNV(new File(meshDir), ids);				
				if(unitPanel.isMeters())
					exporter.setUnit(MeshExporter.UNV.Unit.METER);
				else
					exporter.setUnit(MeshExporter.UNV.Unit.MM);
				exporter.write(stream);				
				stream.close();				
			}
		}
		catch(IOException ex)
		{
			ErrorManager.getDefault().notify(ex);
		}
		catch (ParserConfigurationException e)
		{
			ErrorManager.getDefault().notify(e);
		}
		catch (SAXException e)
		{
			ErrorManager.getDefault().notify(e);
		}
	}

	public String getName()
	{
		return "Export as UNV";
	}

	public HelpCtx getHelpCtx()
	{
		return null;
	}

}