Galera, estou tentando fazer um trabalho com os seguintes requisitos:
1 - Cronometro (Relógio)
2 - Rodar em Threads
3 - Poder mudar a velocidade a qualquer momento
4 - imprimir de forma gráfica (JFRAME)
Fiz a seguinte classe:
import java.util.logging.Level;
import java.util.logging.Logger;
/**
*
* @author Rafael
*/
public class AtributosCronometro extends Thread{
int hora;
int minuto;
int segundo;
public void Inicio() {
this.hora = 0;
this.minuto = 0;
this.segundo = 0;
}
public int getHora() {
return hora;
}
public void setHora(int hora) {
this.hora = hora;
}
public int getMinuto() {
return minuto;
}
public void setMinuto(int minuto) {
this.minuto = minuto;
}
public int getSegundo() {
return segundo;
}
public void setSegundo(int segundo) {
this.segundo = segundo;
}
}
E criei uma classe tipo JFrame:
import java.text.DecimalFormat;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JOptionPane;
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
/**
*
* @author Rafael
*/
public class FrameCronometro extends javax.swing.JFrame implements Runnable {
public String s;
public String m;
public String h;
AtributosCronometro cronometro = new AtributosCronometro();
DecimalFormat decimalFormat = new DecimalFormat("00");
/**
* Creates new form NewJFrame
*/
public FrameCronometro(){
initComponents();
}
/**
* This method is called from within the constructor to initialize the form.
* WARNING: Do NOT modify this code. The content of this method is always
* regenerated by the Form Editor.
*/
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
bindingGroup = new org.jdesktop.beansbinding.BindingGroup();
lblHora = new javax.swing.JLabel();
lblSegundo = new javax.swing.JLabel();
lblMinuto = new javax.swing.JLabel();
jLabel4 = new javax.swing.JLabel();
jLabel5 = new javax.swing.JLabel();
btnRodar = new javax.swing.JButton();
sliderVelocidade = new javax.swing.JSlider();
mostraControleDeslizante = new javax.swing.JLabel();
jLabel1 = new javax.swing.JLabel();
jLabel2 = new javax.swing.JLabel();
jLabel3 = new javax.swing.JLabel();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
lblHora.setText("00");
lblSegundo.setText("00");
lblMinuto.setText("00");
jLabel4.setText(":");
jLabel5.setText(":");
btnRodar.setText("Rodar");
btnRodar.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
btnRodarActionPerformed(evt);
}
});
sliderVelocidade.addChangeListener(new javax.swing.event.ChangeListener() {
public void stateChanged(javax.swing.event.ChangeEvent evt) {
sliderVelocidadeStateChanged(evt);
}
});
org.jdesktop.beansbinding.Binding binding = org.jdesktop.beansbinding.Bindings.createAutoBinding(org.jdesktop.beansbinding.AutoBinding.UpdateStrategy.READ_WRITE, sliderVelocidade, org.jdesktop.beansbinding.ELProperty.create("${value}"), mostraControleDeslizante, org.jdesktop.beansbinding.BeanProperty.create("text"));
bindingGroup.addBinding(binding);
jLabel1.setText("+ Lento");
jLabel2.setText("+ Rápido");
jLabel3.setText("Normal = 10");
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(sliderVelocidade, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addGroup(layout.createSequentialGroup()
.addComponent(jLabel2)
.addGap(171, 171, 171)
.addComponent(mostraControleDeslizante))
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addComponent(btnRodar)
.addGroup(layout.createSequentialGroup()
.addComponent(lblHora, javax.swing.GroupLayout.PREFERRED_SIZE, 34, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jLabel4)))
.addGap(17, 17, 17)
.addComponent(lblMinuto, javax.swing.GroupLayout.PREFERRED_SIZE, 34, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jLabel5)
.addGap(18, 18, 18)
.addComponent(lblSegundo, javax.swing.GroupLayout.PREFERRED_SIZE, 34, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 115, Short.MAX_VALUE)
.addComponent(jLabel1)))
.addContainerGap())
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addGap(0, 0, Short.MAX_VALUE)
.addComponent(jLabel3)
.addGap(37, 37, 37))))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(113, 113, 113)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(lblMinuto, javax.swing.GroupLayout.PREFERRED_SIZE, 23, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel5))
.addComponent(lblSegundo, javax.swing.GroupLayout.PREFERRED_SIZE, 23, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(lblHora, javax.swing.GroupLayout.PREFERRED_SIZE, 23, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel4)))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 25, Short.MAX_VALUE)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel2)
.addComponent(jLabel1))
.addComponent(mostraControleDeslizante, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.PREFERRED_SIZE, 23, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(sliderVelocidade, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(32, 32, 32)
.addComponent(btnRodar)
.addGap(4, 4, 4)
.addComponent(jLabel3)
.addContainerGap())
);
bindingGroup.bind();
pack();
}// </editor-fold>
[b]//Aqui eu fiz um Slider para enviar os valores de alteração do método sleep()[/b]
private void sliderVelocidadeStateChanged(javax.swing.event.ChangeEvent evt) {
// TODO add your handling code here:
System.out.println("rodou!");
cronometro.Inicio();
while (cronometro.getHora()<25) {
try {
cronometro.sleep(sliderVelocidade.getValue());
//velocidade normal 1000
//cronometro.sleep(1000);
} catch (InterruptedException ex) {
Logger.getLogger(FrameCronometro.class.getName()).log(Level.SEVERE, null, ex);
}
try {
cronometro.sleep(0);
} catch (InterruptedException ex) {
Logger.getLogger(FrameCronometro.class.getName()).log(Level.SEVERE, null, ex);
}
cronometro.setSegundo(cronometro.getSegundo()+1);
if(cronometro.getSegundo()>59){
cronometro.setMinuto(cronometro.getMinuto()+1);
cronometro.setSegundo(0);
if(cronometro.getMinuto()>59){
cronometro.setHora(cronometro.getHora()+1);
cronometro.setMinuto(0);
if(cronometro.getHora()>23){
cronometro.setHora(0);
}
}
}
this.s = decimalFormat.format(cronometro.getSegundo());
this.m = decimalFormat.format(cronometro.getMinuto());
this.h = decimalFormat.format(cronometro.getHora());
lblSegundo.setText(this.s);
lblMinuto.setText(this.m);
lblHora.setText(this.h);
System.out.println(this.h+":"+this.m+":"+this.s);
//String saida = this.h+":"+this.m+":"+this.s;
//JOptionPane.showMessageDialog(null, saida);
}
}
/**
* @param args the command line arguments
*/
public static void main(String args[]){
/* Set the Nimbus look and feel */
//<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
/* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
* For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
*/
try {
for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
if ("Nimbus".equals(info.getName())) {
javax.swing.UIManager.setLookAndFeel(info.getClassName());
break;
}
}
} catch (ClassNotFoundException ex) {
java.util.logging.Logger.getLogger(FrameCronometro.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (InstantiationException ex) {
java.util.logging.Logger.getLogger(FrameCronometro.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
java.util.logging.Logger.getLogger(FrameCronometro.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger(FrameCronometro.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
}
//</editor-fold>
/* Create and display the form */
java.awt.EventQueue.invokeLater(new Runnable(){
public void run() {
new FrameCronometro().setVisible(true);
}
});
}
// Variables declaration - do not modify
private javax.swing.JButton btnRodar;
private javax.swing.JLabel jLabel1;
private javax.swing.JLabel jLabel2;
private javax.swing.JLabel jLabel3;
private javax.swing.JLabel jLabel4;
private javax.swing.JLabel jLabel5;
private javax.swing.JLabel lblHora;
private javax.swing.JLabel lblMinuto;
private javax.swing.JLabel lblSegundo;
private javax.swing.JLabel mostraControleDeslizante;
private javax.swing.JSlider sliderVelocidade;
private org.jdesktop.beansbinding.BindingGroup bindingGroup;
// End of variables declaration
@Override
public void run() {
throw new UnsupportedOperationException("Not supported yet.");
}
}
[color=red]Minha dúvida é que não estou conseguindo IMPRIMIR os valores do cronometro no LABEL que fiz para tela principal (JFRAME)
OBS: Feito no NetBeans [/color]