GUI.java

/****************************************************************************
* Copyright © 2015 Alessandro Spallina
* email: alessandrospallina1@gmail.com
* website: aleksnote.altervista.org
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
****************************************************************************/ 


package timerspegnimento;

import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JOptionPane;

/**
 *
 * @author aleks
 */
public class GUI extends javax.swing.JFrame {

    /**
     * Creates new form GUI
     */
    public GUI() {
        initComponents();
        addWindowListener(exitListener);
    }

    /**
     * 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() {

        buttonGroup1 = new javax.swing.ButtonGroup();
        jScrollPane1 = new javax.swing.JScrollPane();
        jTree1 = new javax.swing.JTree();
        jRadioButton1 = new javax.swing.JRadioButton();
        jRadioButton2 = new javax.swing.JRadioButton();
        jSeparator1 = new javax.swing.JSeparator();
        jScrollPane2 = new javax.swing.JScrollPane();
        jTextArea1 = new javax.swing.JTextArea();
        jSeparator2 = new javax.swing.JSeparator();
        jButton1 = new javax.swing.JButton();
        jComboBox1 = new javax.swing.JComboBox();
        jComboBox2 = new javax.swing.JComboBox();
        jSpinner1 = new javax.swing.JSpinner();
        jButton2 = new javax.swing.JButton();
        jMenuBar1 = new javax.swing.JMenuBar();
        jMenu1 = new javax.swing.JMenu();
        jMenuItem1 = new javax.swing.JMenuItem();

        jScrollPane1.setViewportView(jTree1);

        setDefaultCloseOperation(javax.swing.WindowConstants.DO_NOTHING_ON_CLOSE);
        setTitle("HalTimer");
        setBackground(new java.awt.Color(252, 245, 245));

        buttonGroup1.add(jRadioButton1);
        jRadioButton1.setText("Intervallo temporale (min)");
        jRadioButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jRadioButton1ActionPerformed(evt);
            }
        });

        buttonGroup1.add(jRadioButton2);
        jRadioButton2.setText("Istante temporale");
        jRadioButton2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jRadioButton2ActionPerformed(evt);
            }
        });

        jTextArea1.setColumns(20);
        jTextArea1.setRows(5);
        jScrollPane2.setViewportView(jTextArea1);

        jButton1.setText("Invio");
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });

        jComboBox1.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "Ora", "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", "13", "14", "15", "16", "17", "18", "19", "20", "21", "22", "23" }));
        jComboBox1.setEnabled(false);

        jComboBox2.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "Minuti", "0", "15", "30", "45" }));
        jComboBox2.setEnabled(false);

        jSpinner1.setEnabled(false);

        jButton2.setText("Cancella");
        jButton2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton2ActionPerformed(evt);
            }
        });

        jMenu1.setText("Info");
        jMenu1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenu1ActionPerformed(evt);
            }
        });

        jMenuItem1.setText("Autore");
        jMenuItem1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenuItem1ActionPerformed(evt);
            }
        });
        jMenu1.add(jMenuItem1);

        jMenuBar1.add(jMenu1);

        setJMenuBar(jMenuBar1);

        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)
                    .addComponent(jRadioButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 214, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
                        .addComponent(jSpinner1, javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(layout.createSequentialGroup()
                            .addComponent(jComboBox1, 0, 97, Short.MAX_VALUE)
                            .addGap(18, 18, 18)
                            .addComponent(jComboBox2, javax.swing.GroupLayout.PREFERRED_SIZE, 97, javax.swing.GroupLayout.PREFERRED_SIZE))
                        .addComponent(jSeparator1, javax.swing.GroupLayout.Alignment.LEADING)
                        .addComponent(jRadioButton2, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                        .addComponent(jSeparator2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addGap(26, 26, 26))
                    .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                        .addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 406, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addContainerGap())))
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addGap(88, 88, 88)
                .addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 61, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addComponent(jButton2)
                .addGap(184, 184, 184))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addContainerGap()
                        .addComponent(jRadioButton1)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(jSpinner1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(jSeparator1, javax.swing.GroupLayout.PREFERRED_SIZE, 10, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(jRadioButton2)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                            .addComponent(jComboBox1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addComponent(jComboBox2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)))
                    .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                        .addGap(14, 14, 14)
                        .addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 134, javax.swing.GroupLayout.PREFERRED_SIZE)))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(jSeparator2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(18, 18, 18)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(jButton2)
                    .addComponent(jButton1))
                .addContainerGap(17, Short.MAX_VALUE))
        );

        pack();
    }// </editor-fold>                        

    private void jRadioButton1ActionPerformed(java.awt.event.ActionEvent evt) {                                              
        jComboBox1.setEnabled(false);
        jComboBox2.setEnabled(false);
        jSpinner1.setEnabled(true);
    }                                             

    private void jRadioButton2ActionPerformed(java.awt.event.ActionEvent evt) {                                              
        jSpinner1.setEnabled(false);
        jComboBox1.setEnabled(true);
        jComboBox2.setEnabled(true);
    }                                             

    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {                                         
        date=new GregorianCalendar();
        
        
        if(!jRadioButton1.isSelected() && !jRadioButton2.isSelected()) {
            JOptionPane.showMessageDialog(this, "Nessuna scelta!", "Errore", JOptionPane.ERROR_MESSAGE);
            return;
        }
        
        
        if(jRadioButton1.isSelected()) {
            value=(int)jSpinner1.getValue();
            if(value<0) {
                JOptionPane.showMessageDialog(this, "Vuoi spegnere il sistema nel passato?", "Errore", JOptionPane.ERROR_MESSAGE);
                return;
            }

        }
        if(jRadioButton2.isSelected()) {
            if(jComboBox1.getSelectedIndex()==0 || jComboBox2.getSelectedIndex()==0) {
                JOptionPane.showMessageDialog(this, "Scelta invalida!", "Errore", JOptionPane.ERROR_MESSAGE);
                return;
            }
        
        if(isThereSched==false) {
        
            isThereSched=true;
            
                value=minuteCounter(Integer.parseInt((String)jComboBox1.getSelectedItem()), Integer.parseInt((String)jComboBox2.getSelectedItem()), date.get(GregorianCalendar.HOUR_OF_DAY), date.get(GregorianCalendar.MINUTE));
                thelp=new ThreadHelper(Runtime.getRuntime(), value, jTextArea1);
                thelp.start();
                jTextArea1.append(date.get(GregorianCalendar.HOUR_OF_DAY)+":"+date.get(GregorianCalendar.MINUTE)+"# Schedulato correttamente.\n");
            
        
        } else {
            JOptionPane.showMessageDialog(this, "Esiste già una schedulazione\nCancellala e riprova.", "Errore", JOptionPane.ERROR_MESSAGE);
        }
        
        }   
    }                                        

    private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {                                         
        date=new GregorianCalendar();
        
        
        if(isThereSched==false) {
            JOptionPane.showMessageDialog(this, "Non esiste nessuna schedulazione\nVuoi cancellare niente??", "Errore", JOptionPane.ERROR_MESSAGE);
        } else {
            thelp.interrupt();
            isThereSched=false;
            jTextArea1.append(date.get(GregorianCalendar.HOUR_OF_DAY)+":"+date.get(GregorianCalendar.MINUTE)+"# Cancellata schedulazione [ "+value+" ]\n");
        }
    }                                        

    private void jMenu1ActionPerformed(java.awt.event.ActionEvent evt) {                                       
      
    }                                      

    private void jMenuItem1ActionPerformed(java.awt.event.ActionEvent evt) {                                           
        JOptionPane.showMessageDialog(this, "Piccola GUI al programma di spegnimento di sistema\nCopyright (C) 2015 Alessandro Spallina [Licenza: GPL3+]");
    }                                          

        
    public static void avvia() {
        /* 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(GUI.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(GUI.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(GUI.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(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 GUI().setVisible(true);
            }
        });
    }

    WindowListener exitListener = new WindowAdapter() {

    @Override
    public void windowClosing(WindowEvent e) {
        int confirm = JOptionPane.showOptionDialog(
             null, "Sicuro di volere chiudere l'applicazione?\nEventuali scheduling verranno eliminati!", 
             "Conserma chiusura", JOptionPane.YES_NO_OPTION, 
             JOptionPane.QUESTION_MESSAGE, null, null, null);
            if (confirm == 0) {
                System.exit(0);
        }
        }
    };
    
    
    private int minuteCounter(int userH, int userM, int osH, int osM) {
        int i=0;
            
        i=((userH*60)+userM)-((osH*60)+osM);
            
        if(i<0)
            i=(24*60)+i;
        
        return i;
    }

    
    private int value=-99;
    private ThreadHelper thelp;
    private GregorianCalendar date;
    private boolean isThereSched=false;
    // Variables declaration - do not modify                     
    private javax.swing.ButtonGroup buttonGroup1;
    private javax.swing.JButton jButton1;
    private javax.swing.JButton jButton2;
    private javax.swing.JComboBox jComboBox1;
    private javax.swing.JComboBox jComboBox2;
    private javax.swing.JMenu jMenu1;
    private javax.swing.JMenuBar jMenuBar1;
    private javax.swing.JMenuItem jMenuItem1;
    private javax.swing.JRadioButton jRadioButton1;
    private javax.swing.JRadioButton jRadioButton2;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JScrollPane jScrollPane2;
    private javax.swing.JSeparator jSeparator1;
    private javax.swing.JSeparator jSeparator2;
    private javax.swing.JSpinner jSpinner1;
    private javax.swing.JTextArea jTextArea1;
    private javax.swing.JTree jTree1;
    // End of variables declaration                   


}