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 mrf; import java.util.ArrayList; import javax.script.ScriptEngine; import javax.script.ScriptEngineManager; import javax.script.ScriptException; import java.util.ArrayList; import javax.script.ScriptEngine; import javax.script.ScriptEngineManager; import javax.script.ScriptException; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartFrame; import org.jfree.chart.ChartUtilities; import org.jfree.chart.JFreeChart; import org.jfree.chart.axis.NumberAxis; import org.jfree.chart.axis.NumberTickUnit; import org.jfree.chart.plot.CategoryPlot; import org.jfree.chart.plot.PlotOrientation; import org.jfree.chart.plot.XYPlot; import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer; import org.jfree.data.xy.XYSeries; import org.jfree.data.xy.XYSeriesCollection; /** * * @author juank */ public class Graficar extends javax.swing.JFrame { /** * Creates new form Graficar */ public Graficar() { 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">//GEN-BEGIN:initComponents private void initComponents() { jLabel1 = new javax.swing.JLabel(); jTextField1 = new javax.swing.JTextField(); jLabel2 = new javax.swing.JLabel(); jLabel3 = new javax.swing.JLabel(); jTextField2 = new javax.swing.JTextField(); jLabel4 = new javax.swing.JLabel(); jTextField3 = new javax.swing.JTextField(); jButton1 = new javax.swing.JButton(); jScrollPane1 = new javax.swing.JScrollPane(); jTextArea1 = new javax.swing.JTextArea(); jLabel5 = new javax.swing.JLabel(); jButton2 = new javax.swing.JButton(); setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE); setTitle("Graficador"); jLabel1.setText("Funcion:"); jLabel2.setText("Invervalos:"); jLabel3.setText("Inferior:"); jLabel4.setText("Superior:"); jButton1.setText("Graficar"); jButton1.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jButton1ActionPerformed(evt); } }); jTextArea1.setColumns(20); jTextArea1.setRows(5); jScrollPane1.setViewportView(jTextArea1); jLabel5.setText("Parejas ordenadas:"); jButton2.setText("Graficar Nuevamente"); jButton2.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jButton2ActionPerformed(evt); } }); javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane()); getContentPane().setLayout(layout); layout.setHorizontalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup().addGroup(layout .createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup().addGap(20, 20, 20) .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 110, javax.swing.GroupLayout.PREFERRED_SIZE) .addGap(26, 26, 26) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 449, javax.swing.GroupLayout.PREFERRED_SIZE) .addGroup(layout.createSequentialGroup() .addComponent(jLabel3, javax.swing.GroupLayout.PREFERRED_SIZE, 71, javax.swing.GroupLayout.PREFERRED_SIZE) .addGap(90, 90, 90).addComponent(jLabel4)))) .addGroup(layout.createSequentialGroup().addGap(17, 17, 17) .addComponent(jLabel2, javax.swing.GroupLayout.PREFERRED_SIZE, 87, javax.swing.GroupLayout.PREFERRED_SIZE) .addGap(50, 50, 50) .addComponent(jTextField2, javax.swing.GroupLayout.PREFERRED_SIZE, 98, javax.swing.GroupLayout.PREFERRED_SIZE) .addGap(61, 61, 61).addComponent(jTextField3, javax.swing.GroupLayout.PREFERRED_SIZE, 80, javax.swing.GroupLayout.PREFERRED_SIZE)) .addGroup(layout.createSequentialGroup().addGap(59, 59, 59) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addComponent(jLabel5).addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 515, javax.swing.GroupLayout.PREFERRED_SIZE))) .addGroup(layout.createSequentialGroup().addGap(228, 228, 228).addComponent(jButton1) .addGap(45, 45, 45).addComponent(jButton2))) .addContainerGap(50, Short.MAX_VALUE))); layout.setVerticalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup().addGap(39, 39, 39) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 22, javax.swing.GroupLayout.PREFERRED_SIZE) .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 41, javax.swing.GroupLayout.PREFERRED_SIZE)) .addGap(35, 35, 35) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(jLabel3, javax.swing.GroupLayout.PREFERRED_SIZE, 23, javax.swing.GroupLayout.PREFERRED_SIZE) .addComponent(jLabel4)) .addGap(1, 1, 1) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(jLabel2) .addComponent(jTextField2, javax.swing.GroupLayout.PREFERRED_SIZE, 35, javax.swing.GroupLayout.PREFERRED_SIZE) .addComponent(jTextField3, javax.swing.GroupLayout.PREFERRED_SIZE, 35, javax.swing.GroupLayout.PREFERRED_SIZE)) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 39, Short.MAX_VALUE) .addComponent(jLabel5).addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 121, javax.swing.GroupLayout.PREFERRED_SIZE) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(jButton1).addComponent(jButton2)) .addGap(31, 31, 31))); pack(); }// </editor-fold>//GEN-END:initComponents private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton1ActionPerformed // TODO add your handling code here: ScriptEngineManager manager = new ScriptEngineManager(); ScriptEngine engine = manager.getEngineByName("js"); ArrayList<Integer> Datosx = new ArrayList<Integer>(); ArrayList<Double> Datosy = new ArrayList<Double>(); int in = Integer.parseInt(jTextField2.getText()); int sup = Integer.parseInt(jTextField3.getText()); try { XYSeries series = new XYSeries(""); int inferior = in, superior = sup; while (inferior <= superior) { Datosx.add(inferior); engine.put("X", inferior); String a = jTextField1.getText(); Object operation = engine.eval(a); Datosy.add(Double.parseDouble("" + operation)); jTextArea1.append("Parejas ordenadas " + inferior + ":" + operation + "\n"); series.add(inferior, Double.parseDouble("" + operation)); inferior++; } XYSeriesCollection dataset = new XYSeriesCollection(); dataset.addSeries(series); JFreeChart chart = ChartFactory.createXYLineChart("Grafica del polinomio ingresado", // Ttulo "Eje x", // Etiqueta Coordenada X "Eje y", // Etiqueta Coordenada Y dataset, // Datos PlotOrientation.VERTICAL, true, // Muestra la leyenda de los productos (Producto A) false, false); // Mostramos la grafica en pantalla ChartFrame frame = new ChartFrame("GRAFICA POLINOMIO", chart); frame.pack(); frame.setVisible(true); } catch (ScriptException e) { e.printStackTrace(); } }//GEN-LAST:event_jButton1ActionPerformed private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton2ActionPerformed // TODO add your handling code here: jTextField1.setText(""); jTextField2.setText(""); jTextField3.setText(""); jTextArea1.setText(""); }//GEN-LAST:event_jButton2ActionPerformed /** * @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(Graficar.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (InstantiationException ex) { java.util.logging.Logger.getLogger(Graficar.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (IllegalAccessException ex) { java.util.logging.Logger.getLogger(Graficar.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (javax.swing.UnsupportedLookAndFeelException ex) { java.util.logging.Logger.getLogger(Graficar.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 Graficar().setVisible(true); } }); } // Variables declaration - do not modify//GEN-BEGIN:variables private javax.swing.JButton jButton1; private javax.swing.JButton jButton2; 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.JScrollPane jScrollPane1; private javax.swing.JTextArea jTextArea1; private javax.swing.JTextField jTextField1; private javax.swing.JTextField jTextField2; private javax.swing.JTextField jTextField3; // End of variables declaration//GEN-END:variables }