Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package simuladorruleta; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.plot.CategoryPlot; import org.jfree.data.category.DefaultCategoryDataset; /** * * @author Agu */ public class Principal extends javax.swing.JFrame { private Ruleta r; private DefaultCategoryDataset data = new DefaultCategoryDataset(); public Principal() { initComponents(); r = new Ruleta(); } private void resetData() { for (int i = 0; i < 37; i++) data.addValue(0, "numeros", "" + i); } private void graficar() { ChartPanel panel; JFreeChart chart = null; /* data.addValue(10, "numeros",""+0); data.addValue(30, "numeros",""+1); data.addValue(23, "numeros",""+2);*/ chart = ChartFactory.createBarChart("Repeticiones de los numeros", "Cantidad", "Numero", data); CategoryPlot plot = (CategoryPlot) chart.getPlot(); plot.setDomainGridlinesVisible(true); panel = new ChartPanel(chart); panel.setBounds(5, 5, 800, 600); grafRepe.removeAll(); grafRepe.add(panel); grafRepe.repaint(); grafRepe.setVisible(true); } /** * 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">//GEN-BEGIN:initComponents private void initComponents() { numero = new javax.swing.JTextField(); rotar = new javax.swing.JButton(); grafRepe = new javax.swing.JPanel(); jLabel1 = new javax.swing.JLabel(); setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE); numero.setName("numero"); // NOI18N rotar.setText("Rotar"); rotar.setName("rotar"); // NOI18N rotar.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { rotarActionPerformed(evt); } }); javax.swing.GroupLayout grafRepeLayout = new javax.swing.GroupLayout(grafRepe); grafRepe.setLayout(grafRepeLayout); grafRepeLayout.setHorizontalGroup(grafRepeLayout .createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGap(0, 0, Short.MAX_VALUE)); grafRepeLayout.setVerticalGroup(grafRepeLayout .createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGap(0, 601, Short.MAX_VALUE)); jLabel1.setText("Cantidad:"); 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() .addComponent(grafRepe, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) .addContainerGap()) .addGroup(layout.createSequentialGroup().addGap(92, 92, 92).addComponent(jLabel1).addGap(18, 18, 18) .addComponent(numero, javax.swing.GroupLayout.PREFERRED_SIZE, 88, javax.swing.GroupLayout.PREFERRED_SIZE) .addGap(33, 33, 33).addComponent(rotar).addContainerGap(487, Short.MAX_VALUE))); layout.setVerticalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup().addContainerGap().addGroup(layout .createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(numero, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addComponent(rotar).addComponent(jLabel1)) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 21, Short.MAX_VALUE) .addComponent(grafRepe, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addContainerGap())); pack(); }// </editor-fold>//GEN-END:initComponents private void rotarActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_rotarActionPerformed // TODO add your handling code here: if ("".equals(numero.getText())) { return; } int cant = Integer.parseInt(numero.getText()); int rot; this.resetData(); for (int i = 0; i < cant; i++) { rot = r.rotar(); data.incrementValue(1, "numeros", "" + rot); } this.graficar(); }//GEN-LAST:event_rotarActionPerformed /** * @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(Principal.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (InstantiationException ex) { java.util.logging.Logger.getLogger(Principal.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (IllegalAccessException ex) { java.util.logging.Logger.getLogger(Principal.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (javax.swing.UnsupportedLookAndFeelException ex) { java.util.logging.Logger.getLogger(Principal.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 Principal().setVisible(true); } }); } // Variables declaration - do not modify//GEN-BEGIN:variables private javax.swing.JPanel grafRepe; private javax.swing.JLabel jLabel1; private javax.swing.JTextField numero; private javax.swing.JButton rotar; // End of variables declaration//GEN-END:variables }