/**
 *
 * @author kumarse
 */
 
package gadgets;
import javafx.application.Platform;
import javax.swing.*;
import javax.swing.SwingUtilities;
import javafx.embed.swing.*;
import javafx.event.*;
import java.awt.Toolkit;
import java.net.Authenticator;
import java.net.PasswordAuthentication;
import java.net.URL;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.scene.*;
import javafx.scene.control.Button;
import javafx.scene.control.TextField;
import javafx.scene.web.*;
import javafx.scene.layout.*;
 

public class Gadget {
    
    static final String kuser = "kumarse"; 
    static final String kpass = ""; 
	
    static class MyAuthenticator extends Authenticator {
    public PasswordAuthentication getPasswordAuthentication() {
        System.err.println("Feeding username and password for " + getRequestingScheme());
        return (new PasswordAuthentication(kuser, kpass.toCharArray()));
    }
    }
    private JFrame window;
    private JFXPanel webview;
    int gadgetId;
    Gadget() 
    {
        gadgetId=105;
        SwingUtilities.invokeLater(new Runnable()
        {
            public void run()
            {
                createGUI();
            }
        });
        
    }
    
    void createGUI()
    {
        window=new JFrame();
        webview=new JFXPanel(); 
        Platform.runLater(new Runnable()
        {
            public void run()
            {
                initFX(webview);
            }
        });
        window.setSize(325,430);
        new Tray(window);
        window.setLocationRelativeTo(null);
        window.setIconImage(Toolkit.getDefaultToolkit().createImage(Gadget.class.getResource("DESCO.png")));
        window.setTitle("Gadget Viewer");
        window.add(webview);
        window.setVisible(true);

    }
    
    
    void initFX(JFXPanel webview)
    {
         System.setProperty("sun.security.krb5.debug", "true");
         System.setProperty("java.security.auth.login.config", "spnego.conf");
         System.setProperty("java.security.krb5.conf", "krb5.conf");
         System.setProperty("useSubjectCredsOnly", "false");
        
        
        final String prefix="http://intranet.deshaw.com/common/ifr?gadgetId=",suffix="&app=gadget";
        GridPane grid=GridPaneBuilder.create()
                .vgap(10)
                .hgap(10)
                .prefHeight(window.getHeight())
                .prefWidth(window.getWidth())
                .build();
        
        final Button prev=new Button("Previous");
        final TextField address=new TextField(gadgetId+"");        
        final Button go=new Button("Go");
        final Button next=new Button("Next");
		
        HBox row1=new HBox();
        row1.getChildren().add(prev);
        row1.getChildren().add(address);
        row1.getChildren().add(go);
        row1.getChildren().add(next);
        grid.add(row1,0,0);
		
        final WebView browser=new WebView();
        final WebEngine engine=browser.getEngine();
		
        Authenticator.setDefault(new MyAuthenticator());
		 
        engine.load(prefix+gadgetId+suffix);
		
        browser.setVisible(true);
        address.requestFocus();
        grid.add(browser,0,2);
        Scene scene=new Scene(grid);
        webview.setScene(scene);
		
        prev.setOnAction(new EventHandler<ActionEvent>()
        {
            @Override
            public void handle(ActionEvent e)
            {
                if(gadgetId>1)
                {
                    --gadgetId;
                    address.setText(gadgetId+"");
                    engine.load(prefix+gadgetId+suffix);
                }
            }
        });
        next.setOnAction(new EventHandler<ActionEvent>()
        {
            @Override
            public void handle(ActionEvent e)
            {   
                    ++gadgetId;
                    address.setText(gadgetId+"");
                    engine.load(prefix+gadgetId+suffix);  
            }
        });
        go.setOnAction(new EventHandler<ActionEvent>()
        {
            @Override
            public void handle(ActionEvent e)
            {
                try
                {
                gadgetId=Integer.parseInt(address.getText());
                engine.load(prefix+gadgetId+suffix);
                }
                catch(Exception ex)
                {
                    JOptionPane.showMessageDialog(null,"Invalid Gadget ID");
                }
            }
        });
               
    }
    
}