public class JanelaPrincipal extends JFrame {
private static final long serialVersionUID = 1L;
private static volatile JanelaPrincipal istance;
private JPanel painel;
private JButton btSalas;
private JButton btEventos;
private JButton btAlocacoes;
private JButton btSair;
private JPanel painelBt;
private JButton btMaterial;
private JanelaPrincipal() {
try {
UIManager.setLookAndFeel(new AluminiumLookAndFeel());
ImageIcon icone = new ImageIcon(getClass().getResource("/images/iconeapp.png"));
this.setIconImage(icone.getImage());
} catch (UnsupportedLookAndFeelException e) {
e.printStackTrace();
}
this.setDefaultCloseOperation(EXIT_ON_CLOSE);
this.setSize(590, 437);
this.setResizable(false);
this.setLocationRelativeTo(null);
this.setLayout(null);
componentes();
setVisible(true);
}
public static synchronized JanelaPrincipal getInstace() {
if (istance == null) {
istance = new JanelaPrincipal();
return istance;
} else {
return istance;
}
}
public void componentes() {
painel = new JPanel();
painel.setBounds(0, 0, 590, 480);
painel.setLayout(null);
GridLayout grid = new GridLayout(5
, 1, 20, 20);
painelBt = new JPanel(grid);
painelBt.setBounds(10, 30, 150, 340);
painel.add(painelBt);
JLabel labelImage = new JLabel();
labelImage.setIcon(new ImageIcon(getClass().getResource(
"/images/logo.png")));
labelImage.setBounds(200, 80, 328, 200);
painel.add(labelImage);
btEventos = new JButton("Eventos");
btEventos.setIcon(new ImageIcon(getClass().getResource(
"/images/calendar.png")));
painelBt.add(btEventos);
btSalas = new JButton("Salas");
btSalas.setIcon(new ImageIcon(getClass()
.getResource("/images/casa.png")));
painelBt.add(btSalas);
btMaterial = new JButton("Materiais");
btMaterial.setIcon(new ImageIcon(getClass().getResource(
"/images/material.png")));
painelBt.add(btMaterial);
btAlocacoes = new JButton("Alocações");
btAlocacoes.setIcon(new ImageIcon(getClass().getResource(
"/images/alocacao.png")));
painelBt.add(btAlocacoes);
btSair = new JButton("Sair");
btSair.setIcon(new ImageIcon(getClass().getResource("/images/sair.png")));
painelBt.add(btSair);
this.add(painel);
Ouvinte ouvinte = new Ouvinte();
btAlocacoes.addActionListener(ouvinte);
btEventos.addActionListener(ouvinte);
btSair.addActionListener(ouvinte);
btSalas.addActionListener(ouvinte);
btMaterial.addActionListener(ouvinte);
}
public class Ouvinte implements ActionListener {
@Override
public void actionPerformed(ActionEvent e) {
if (e.getSource().equals(btAlocacoes)) {
setVisible(false);
JanelaAlocacao.getInstace();
} else if (e.getSource().equals(btEventos)) {
setVisible(false);
JanelaEvento.getInstace();
} else if (e.getSource().equals(btSalas)) {
setVisible(false);
JanelaSala.getInstace();
}else if(e.getSource().equals(btMaterial)){
setVisible(false);
JanelaMaterial.getInstace();
} else if (e.getSource().equals(btSair)) {
System.exit(0);
}
}
}
public static void main(String[] args) {
JanelaPrincipal.getInstace();
}
}