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 de.h_da.fbi.rfid.gui; import java.awt.BasicStroke; import java.awt.Color; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.geom.Line2D; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.plot.PiePlot3D; import org.jfree.data.category.CategoryDataset; import org.jfree.data.category.DefaultCategoryDataset; import org.jfree.data.general.DefaultPieDataset; import org.jfree.data.general.PieDataset; import org.jfree.util.Rotation; import java.text.SimpleDateFormat; import java.util.Date; /** * * @author tobi */ public class UHF_GUI extends javax.swing.JFrame { public void paintComponent(Graphics g) { super.paint(g); Graphics2D g2 = (Graphics2D) g; Line2D line = new Line2D.Double(300, 300, 80, 80); g2.setStroke(new BasicStroke(4)); g2.draw(line); } /** * Creates new form UHF_GUI */ public UHF_GUI(String applicationTitle, String chartTitle) { super(applicationTitle); // This will create the dataset initComponents(); CategoryDataset dataset = createDataset(); // based on the dataset we create the chart JFreeChart chart = createChart(dataset, chartTitle); // we put the chart into a panel ChartPanel chartPanel = new ChartPanel(chart); // default size chartPanel.setPreferredSize(new java.awt.Dimension(700, 370)); // add it to our application setContentPane(chartPanel); } /** * Creates a sample dataset */ private CategoryDataset createDataset() { DefaultCategoryDataset result = new DefaultCategoryDataset(); result.setValue(3, "bla", getTimeValue()); result.setValue(2, "blub", "hallo"); return result; } private JFreeChart createChart(CategoryDataset dataset, String title) { /* JFreeChart chart = ChartFactory.createPieChart3D(title, // chart title dataset, // data true, // include legend true, false);*/ JFreeChart chart = ChartFactory.createBarChart3D(title, "Zeit", "Anzahl an Personen", dataset); return chart; } private String getTimeValue() { SimpleDateFormat sdf = new SimpleDateFormat("HH"); String uhrzeit = sdf.format(new Date()); return uhrzeit; } /** * 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() { jMenuBar1 = new javax.swing.JMenuBar(); jMenu1 = new javax.swing.JMenu(); jMenuItem1 = new javax.swing.JMenuItem(); jMenu2 = new javax.swing.JMenu(); jMenu3 = new javax.swing.JMenu(); setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE); setPreferredSize(new java.awt.Dimension(1500, 800)); jMenu1.setText("Datei"); jMenuItem1.setText("Schlieen"); jMenuItem1.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jMenuItem1ActionPerformed(evt); } }); jMenu1.add(jMenuItem1); jMenuBar1.add(jMenu1); jMenu2.setText("Bearbeiten"); jMenuBar1.add(jMenu2); jMenu3.setText("ber"); jMenuBar1.add(jMenu3); setJMenuBar(jMenuBar1); javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane()); getContentPane().setLayout(layout); layout.setHorizontalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGap(0, 600, Short.MAX_VALUE)); layout.setVerticalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGap(0, 399, Short.MAX_VALUE)); pack(); }// </editor-fold>//GEN-END:initComponents private void jMenuItem1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jMenuItem1ActionPerformed // TODO add your handling code here: System.exit(0); }//GEN-LAST:event_jMenuItem1ActionPerformed /** * @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(UHF_GUI.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (InstantiationException ex) { java.util.logging.Logger.getLogger(UHF_GUI.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (IllegalAccessException ex) { java.util.logging.Logger.getLogger(UHF_GUI.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (javax.swing.UnsupportedLookAndFeelException ex) { java.util.logging.Logger.getLogger(UHF_GUI.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 UHF_GUI("UHF-Reader", "Anzahl der Personen im Labor").setVisible(true); } }); } // Variables declaration - do not modify//GEN-BEGIN:variables private javax.swing.JMenu jMenu1; private javax.swing.JMenu jMenu2; private javax.swing.JMenu jMenu3; private javax.swing.JMenuBar jMenuBar1; private javax.swing.JMenuItem jMenuItem1; // End of variables declaration//GEN-END:variables }