import java.awt.BorderLayout;
import java.awt.EventQueue;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextPane;
import javax.swing.border.EmptyBorder;

import java.awt.FlowLayout;

import javax.swing.JTextField;
import javax.swing.BoxLayout;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.transform.OutputKeys;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;

import org.w3c.dom.Attr;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.xml.sax.SAXException;

import java.awt.GridLayout;
import java.awt.GridBagLayout;
import java.awt.GridBagConstraints;
import java.awt.Insets;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map.Entry;


public class Slovnik extends JFrame {

	private JPanel contentPane;
	private JTextPane zobrazField;
	private JTextField vyhledavacField;
	private JButton vyhledavacButton;
	private HashMap<String, String> mapaSlov = new HashMap<String, String>();
	private boolean noveSlovo = false;
	private JButton saveToXMLButton;

	/**
	 * Launch the application.
	 */
	public static void main(String[] args) {
		EventQueue.invokeLater(new Runnable() {
			public void run() {
				try {
					Slovnik frame = new Slovnik();
					frame.setVisible(true);
				} catch (Exception e) {
					e.printStackTrace();
				}
			}
		});
	}

	/**
	 * Create the frame.
	 */
	public Slovnik() {

		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setBounds(100, 100, 450, 245);
		contentPane = new JPanel();
		contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
		setContentPane(contentPane);
		contentPane.setLayout(null);

		vyhledavacField = new JTextField();
		vyhledavacField.setBounds(10, 11, 260, 20);
		contentPane.add(vyhledavacField);
		vyhledavacField.setColumns(10);

		zobrazField = new JTextPane();
		zobrazField.setBounds(10, 42, 260, 125);
		contentPane.add(zobrazField);


		vyhledavacButton = new JButton();
		vyhledavacButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent arg0) {
				String preklad = najdiPreklad(vyhledavacField.getText());
				if(preklad!=null){
					zobrazField.setText(preklad);
				}else{
					zobrazField.setText("Prosím zadejte překlad");
				}
			}
		});
		vyhledavacButton.setBounds(280, 11, 148, 20);
		vyhledavacButton.setText("Najdi překlad");
		contentPane.add(vyhledavacButton);

		JButton ulozButton = new JButton();
		ulozButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent arg0) {
				mapaSlov.put(vyhledavacField.getText(),zobrazField.getText());
			}
		});
		ulozButton.setText("Ulož překlad");
		ulozButton.setBounds(280, 147, 148, 20);
		contentPane.add(ulozButton);

		saveToXMLButton = new JButton();
		saveToXMLButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent arg0) {
				try {

		            DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();
		            DocumentBuilder docBuilder = docFactory.newDocumentBuilder();

		            // root elements
		            Document doc = docBuilder.newDocument();

		            Element rootElement = doc.createElement("vocabulary");

		            for(Entry<String, String> entry : mapaSlov.entrySet()) {
		            	Element slovo = doc.createElement(entry.getKey());
			            slovo.appendChild(doc.createTextNode(entry.getValue()));

			            rootElement.appendChild(slovo);
		            }


		            doc.appendChild(rootElement);
		            // write the content into xml file
		            TransformerFactory transformerFactory = TransformerFactory.newInstance();
		            Transformer transformer = transformerFactory.newTransformer();
		            transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
		            transformer.setOutputProperty(OutputKeys.INDENT, "yes");

		            DOMSource source = new DOMSource(doc);
		            StreamResult result = new StreamResult(new File("file.xml"));

		            // Output to console for testing
		            //StreamResult result = new StreamResult(System.out);

		            transformer.transform(source, result);

		            //System.out.println("File saved!");
		        } catch (ParserConfigurationException pce) {
		            pce.printStackTrace();
		        } catch (TransformerException tfe) {
		            tfe.printStackTrace();
		        }
			}
		});
		saveToXMLButton.setText("Ulo\u017E do XML");
		saveToXMLButton.setBounds(280, 178, 148, 20);
		contentPane.add(saveToXMLButton);


	}

	protected String najdiPreklad(String text) {
		if(mapaSlov.get(text) != null){
			return mapaSlov.get(text);
		}else
			return null;

	}
}