package problema1;


import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;

import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTree;
import javax.swing.Timer;
import javax.swing.border.EmptyBorder;
import javax.swing.filechooser.FileFilter;
import javax.swing.filechooser.FileNameExtensionFilter;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.DefaultTreeModel;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

public class Procesare_XML extends JFrame {

    private static final long serialVersionUID = 1L;
    private JPanel contentPane;
    private JLabel lbltime;
    private static JTree tree;
    private SimpleDateFormat format1 = new SimpleDateFormat("HH:mm:ss");

    public Procesare_XML() {
        setResizable(false);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setBounds(100, 100, 489, 326);
        contentPane = new JPanel();
        contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
        setContentPane(contentPane);
        contentPane.setLayout(null);

        JButton btnOpenXML = new JButton("Open XML");
        btnOpenXML.setBounds(10, 28, 109, 23);
        btnOpenXML.addActionListener(new BtnOpenFile());
        contentPane.add(btnOpenXML);
        Date dt = Calendar.getInstance().getTime();

        lbltime = new JLabel("");
        lbltime.setBounds(366, 32, 72, 14);
        lbltime.setText(format1.format(dt));
        contentPane.add(lbltime);

        JScrollPane scrollPane = new JScrollPane();
        scrollPane.setBounds(10, 85, 453, 202);
        contentPane.add(scrollPane);

        tree = new JTree();
        tree.setModel(new DefaultTreeModel(
            new DefaultMutableTreeNode(null) {
                /**
                 *
                 */
                private static final long serialVersionUID = 1L;

                {
                    add(new DefaultMutableTreeNode(""));
                }
            }
        ));
        scrollPane.setViewportView(tree);
        Timer timer = new Timer(1000, new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                lbltime.setText(format1.format(Calendar.getInstance().getTime()));
            }
        });
        timer.setInitialDelay(0);
        timer.start();


    }



    public static class BtnOpenFile implements ActionListener {

        @Override
        public void actionPerformed(ActionEvent e) {
            JFileChooser openFile = new JFileChooser();
            openFile.setCurrentDirectory(new File("."));
            FileFilter filter = new FileNameExtensionFilter("XML Documents (*.xml)", "xml");
            openFile.setFileFilter(filter);
            if (openFile.showDialog(openFile, null) == JFileChooser.APPROVE_OPTION) {
                try {
                    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
                    DocumentBuilder builder = factory.newDocumentBuilder();
                    Document document = (Document) builder.parse(openFile.getSelectedFile());
                    Element radacinaArboreDom = document.getDocumentElement();
                    DefaultMutableTreeNode defaultMutableTreeNode = new DefaultMutableTreeNode(
                            radacinaArboreDom.getNodeName());
                    DefaultTreeModel defaultTreeModel = new DefaultTreeModel(defaultMutableTreeNode);
                    tree.setModel(defaultTreeModel);
                    Procesare_XML.rec(radacinaArboreDom, defaultMutableTreeNode);
                } catch (Exception ex) {
                    JOptionPane.showMessageDialog(openFile, "Nu s-a ales nici un fiser");
                }
            }
        }
    }

        public static void rec(Node radacina, DefaultMutableTreeNode radacinaTree) {
            NodeList nodeList;
            DefaultMutableTreeNode defaultMutableTreeNode = null;
            if (radacina.hasChildNodes()) {
                nodeList = radacina.getChildNodes();
                for (int i = 0; i < nodeList.getLength(); i++) {
                    radacina = nodeList.item(i);
                    if (radacina.getNodeType() == Node.ELEMENT_NODE) {
                        defaultMutableTreeNode = new DefaultMutableTreeNode(radacina.getNodeName());
                        radacinaTree.add(defaultMutableTreeNode);

                    } else if (radacina.getNodeType() == Node.TEXT_NODE && !radacina.getNodeValue().isBlank()) {
                        defaultMutableTreeNode = new DefaultMutableTreeNode(radacina.getNodeValue());
                        radacinaTree.add(defaultMutableTreeNode);
                    System.out.println(radacina.getNodeValue().trim());
                }

                    rec(nodeList.item(i), defaultMutableTreeNode);
                }
            }
        }


}