/*
 * Copyright (c) 1998-2014 ChemAxon Ltd. All Rights Reserved.
 *
 * This software is the confidential and proprietary information of
 * ChemAxon. You shall not disclose such Confidential Information
 * and shall use it only in accordance with the terms of the agreements
 * you entered into with ChemAxon.
 *
 */

import chemaxon.marvin.beans.*;
import chemaxon.struc.Molecule;
import javax.swing.*;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.event.*;
import java.beans.*;

/**
 * Example to edit molecule and display molecule data simultaneously.
 *
 * @author  Tamas Vertse
 * @version Marvin 4.1 06/01/2006
 * @since Marvin 4.1 06/01/2006
 */
public class MolChangedEventExample extends javax.swing.JFrame implements
    PropertyChangeListener
{

    // Variables declaration
    private MSketchPane sketcher;
    private JTextArea textarea;
    private static String headertext = "Molecule data:\n\n";
    
    /** 
     * Creates a new instance of MolChangedEventExample and initalize layout.
     */
    public MolChangedEventExample() {
        
        JSplitPane horizontalSplitPanel = new JSplitPane();
        JScrollPane scrollPanel = new JScrollPane();        
        
        setDefaultCloseOperation(EXIT_ON_CLOSE);
        getContentPane().add(horizontalSplitPanel, BorderLayout.CENTER);

        sketcher = new MSketchPane();
        sketcher.setCloseEnabled(false);
        sketcher.setMolbg(Color.white);
        sketcher.addPropertyChangeListener(this);
        horizontalSplitPanel.setLeftComponent(sketcher);
        
        textarea = new JTextArea();
        textarea.setText(headertext);        
        textarea.setBackground(getContentPane().getBackground());
        textarea.setEditable(false);
        scrollPanel.setViewportView(textarea);
        scrollPanel.setPreferredSize(new Dimension(270,350));
        horizontalSplitPanel.setRightComponent(scrollPanel);

        pack();
    }        
        
    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        new MolChangedEventExample().setVisible(true);
    }

    /* Handles PropertyChange events. */
    public void propertyChange(PropertyChangeEvent evt) {
        String name = evt.getPropertyName();
        if(name.equals("mol")) { // molecule is changed in sketcher
            Molecule newMol = (Molecule)evt.getNewValue(); // the new molecule
            // refresh molecule data
            String msg = headertext;
            try {
                msg += "SMILES: "+newMol.toFormat("smiles")+"\n";
            } catch(Exception e) {
                msg += "SMILES: The molecule could not be converted into SMILES\n";
            }
            msg += "Atom count:"+ newMol.getAtomCount()+"\n";
            msg += "Atom count (without explicit hydgrogens):"+
                (newMol.getAtomCount()-newMol.getExplicitHcount())+"\n";
            msg += "Atom count (with implicit hydgrogens):"+
                (newMol.getAtomCount()+newMol.getImplicitHcount())+"\n";
            msg += "Bond count:"+ newMol.getBondCount()+"\n";
            
            textarea.setText(msg);
        }
    }    
}