// By Oswaldo Bassani

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.net.*;

public class imgchek extends JPanel {
    static JFrame frame;
    static JMenuBar mymenubar;
    static JMenu arquivo;
    static JMenuItem sair;
 
    static JButton procura, reset, exibe;
    static JTextField end;
    static JLabel titulo, status, exibelabel;
    static String endimg;
    static ImageIcon img, blank;
    static URL urlimg;
    static boolean temfig, exibestate;

    static JPanel p1, p2, p3;
//Inicio da função
    public imgchek() {
	// Create the buttons.
	blank = new ImageIcon("blank.gif");
	temfig=false;	
	exibestate=true;
	procura = new JButton("Procurar");
	procura.addActionListener(new ActionListener() {
	    public void actionPerformed(ActionEvent e) {
		endimg = end.getText();
		try {
			URL urlimg = new URL(endimg);
			img = new ImageIcon(urlimg);
		}
		catch(Exception exception){}
		status.setIcon(blank);
		if(img.getImageLoadStatus()!=8) status.setText("Nao foi possivel obter o arquivo.");
		if(img.getImageLoadStatus()==8) {
			if(exibestate) status.setIcon(img);
			status.setText("Download completo!");
			temfig=true;
		}
		frame.pack();
	    }});
	exibe = new JButton("Exibir");
	exibe.addActionListener(new ActionListener() {
	    public void actionPerformed(ActionEvent e) {
		if(exibestate) {
			exibelabel.setText("Falso");
			status.setIcon(blank);
			frame.pack();
		}
		if(!exibestate) {
			exibelabel.setText("Ativo");
			status.setIcon(img);
			frame.pack();
		}
		exibestate=!exibestate;
	    }});
	reset = new JButton("Limpar");
	reset.addActionListener(new ActionListener() {
	    public void actionPerformed(ActionEvent e) {
		end.setText("");
		status.setIcon(blank);
		status.setText("Aguardando...");
		temfig=false;
		frame.pack();
	    }});
	endimg="";
	end = new JTextField(endimg,20);
	titulo = new JLabel("Endereco:");
	status = new JLabel("Aguardando...", blank,SwingConstants.CENTER);
	exibelabel = new JLabel("Ativo");

        GridBagLayout gridbaglayout = new GridBagLayout();
        GridBagConstraints gridbagconstraints = new GridBagConstraints();
        gridbagconstraints.fill = 0;
        gridbagconstraints.gridwidth = 0;
        gridbagconstraints.anchor = 10;
        setLayout(gridbaglayout);

	JPanel p1 = new JPanel();
	p1.setBackground(Color.green);
	p1.add(titulo);
	p1.add(end);
        gridbaglayout.setConstraints(p1, gridbagconstraints);
	add(p1);
	JPanel p2 = new JPanel();
	p2.setBackground(Color.green);
	p2.add(procura);
	p2.add(exibe);
	p2.add(exibelabel);
	p2.add(reset);
        gridbaglayout.setConstraints(p2, gridbagconstraints);
	add(p2);
	JPanel p3 = new JPanel();
	p3.setBackground(Color.green);
	p3.add(status);
        gridbaglayout.setConstraints(p3, gridbagconstraints);
	add(p3);
//	add(titulo);
//	add(end);
//	add(procura);
//	add(exibe);
//	add(status);
//	add(reset);

}
//Fim da função
//Principal
    public static void main(String s[]) {
	imgchek panel = new imgchek();
	frame = new JFrame("Fig da net Programa");
	frame.addWindowListener(new WindowAdapter() {
	    public void windowClosing(WindowEvent e) {System.exit(0);}
	});
	panel.setBackground(Color.green);
	panel.setBorder(BorderFactory.createEmptyBorder( 10, 15, 5, 15));
//	panel.setLayout(new GridLayout(3, 0, 2, 2));	
	frame.getContentPane().add("Center", panel);
	arquivo = new JMenu("Arquivo");
        arquivo.setMnemonic('a'); 
	sair = arquivo.add(new JMenuItem("Sair"));
	sair.addActionListener(new ActionListener() {
	    public void actionPerformed(ActionEvent e) {
		System.exit(0);
	    }});

	mymenubar = new JMenuBar();
	mymenubar.add(arquivo);
	frame.setJMenuBar(mymenubar);
	frame.pack();
	frame.setVisible(true);
    } 
 //fim Principal
}