ErrorStudentsFrame.java

/*
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 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package exchangeallocatorframe;

import static exchangeallocatorframe.ExchangeAllocator.studentArray;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JFileChooser;
import javax.swing.JOptionPane;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;
import javax.swing.table.DefaultTableModel;

/**
 *
 * @author e.verkade
 */
public class ErrorStudentsFrame extends javax.swing.JFrame {

    private File lastPath = exchangeallocatorframe.ExchangeAllocatorFrame.lastPath;
    static boolean errorDone;

    /**
     * Creates new form ErrorStudentsFrame
     *
     * @param studentArray
     */
    public ErrorStudentsFrame(Student[] studentArray) {
        students = studentArray;
        numberOfStudents = studentArray.length;
        errorDone = false;
        initComponents();
        fillRows();
    }

    /**
     * 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() {

        studentViewer = new javax.swing.JScrollPane();
        errorStudents = new javax.swing.JTable();
        runButton = new javax.swing.JButton();
        saveInputButton = new javax.swing.JButton();
        approveButton = new javax.swing.JButton();
        textFileSaver = new javax.swing.JButton();
        jLabel1 = new javax.swing.JLabel();
        mainMenu = new javax.swing.JMenuBar();
        fileButton = new javax.swing.JMenu();
        exitButton = new javax.swing.JMenuItem();

        setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);
        setTitle("Students to Check");

        errorStudents.setModel(new javax.swing.table.DefaultTableModel(
            new Object [][] {

            },
            new String [] {
                "Ranking", "Student ID", "First Name", "Last Name", "Prefix", "Email", "University", "Equally Weighted Requirement", "GPA Requirement", "Other Requirement", "Approve"
            }
        ) {
            Class[] types = new Class [] {
                java.lang.Integer.class, java.lang.Integer.class, java.lang.String.class, java.lang.String.class, java.lang.String.class, java.lang.Object.class, java.lang.String.class, java.lang.String.class, java.lang.String.class, java.lang.String.class, java.lang.Boolean.class
            };
            boolean[] canEdit = new boolean [] {
                false, false, false, false, false, false, false, false, false, false, true
            };

            public Class getColumnClass(int columnIndex) {
                return types [columnIndex];
            }

            public boolean isCellEditable(int rowIndex, int columnIndex) {
                return canEdit [columnIndex];
            }
        });
        errorStudents.setColumnSelectionAllowed(true);
        errorStudents.getTableHeader().setReorderingAllowed(false);
        studentViewer.setViewportView(errorStudents);
        errorStudents.getColumnModel().getSelectionModel().setSelectionMode(javax.swing.ListSelectionModel.SINGLE_SELECTION);
        if (errorStudents.getColumnModel().getColumnCount() > 0) {
            errorStudents.getColumnModel().getColumn(10).setResizable(false);
            errorStudents.getColumnModel().getColumn(10).setPreferredWidth(5);
        }

        runButton.setText("Accept Changes");
        runButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                runButtonActionPerformed(evt);
            }
        });

        saveInputButton.setText("Create New Input File");
        saveInputButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                saveInputButtonActionPerformed(evt);
            }
        });

        approveButton.setText("Approve All");
        approveButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                approveButtonActionPerformed(evt);
            }
        });

        textFileSaver.setText("Save List of Students");
        textFileSaver.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                textFileSaverActionPerformed(evt);
            }
        });

        jLabel1.setText("Please double check approvals");

        fileButton.setText("File");

        exitButton.setText("Exit");
        exitButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                exitButtonActionPerformed(evt);
            }
        });
        fileButton.add(exitButton);

        mainMenu.add(fileButton);

        setJMenuBar(mainMenu);

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(studentViewer)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addGap(19, 19, 19)
                .addComponent(approveButton)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addComponent(jLabel1)
                .addGap(18, 18, 18)
                .addComponent(saveInputButton)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(textFileSaver)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(runButton)
                .addGap(36, 36, 36))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addComponent(studentViewer, javax.swing.GroupLayout.DEFAULT_SIZE, 414, Short.MAX_VALUE)
                .addGap(18, 18, 18)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(runButton)
                    .addComponent(saveInputButton)
                    .addComponent(approveButton)
                    .addComponent(textFileSaver)
                    .addComponent(jLabel1))
                .addGap(11, 11, 11))
        );

        pack();
    }// </editor-fold>//GEN-END:initComponents

    private void exitButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_exitButtonActionPerformed
        // TODO add your handling code here:
        dispose();
    }//GEN-LAST:event_exitButtonActionPerformed

    private void runButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_runButtonActionPerformed
        // TODO add your handling code here: 
        if (!beenSaved) {
            this.runTableStuff();
        }
        errorDone = true;
        this.dispose();
        if (lastIndex != exchangeallocatorframe.ExchangeAllocator.studentArray[studentArray.length - 1].getRanking() + 1) {
            exchangeallocatorframe.ExchangeAllocator.studentClear(studentArray, lastIndex);
        }
        try {
            ExchangeAllocator.run(exchangeallocatorframe.ExchangeAllocatorFrame.outputs,
                    exchangeallocatorframe.ExchangeAllocatorFrame.studentFile,
                    exchangeallocatorframe.ExchangeAllocatorFrame.uniFile,
                    exchangeallocatorframe.ExchangeAllocatorFrame.studyFile,
                    exchangeallocatorframe.ExchangeAllocatorFrame.fileOutput);
        } catch (IOException ex) {
            Logger.getLogger(ErrorStudentsFrame.class.getName()).log(Level.SEVERE, null, ex);
            JOptionPane.showMessageDialog(null, ex, "Error running the exchange allocator again.",
                    JOptionPane.ERROR_MESSAGE);
            System.exit(0);
        }
    }//GEN-LAST:event_runButtonActionPerformed

    private void saveInputButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_saveInputButtonActionPerformed
        this.runTableStuff();
        JFileChooser selector = new JFileChooser();
        String path;
        String filename;
        selector.setCurrentDirectory((File) lastPath);
        selector.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
        selector.setDialogTitle("Please select the folder where you want to save the new input file");
        if (selector.showSaveDialog(null) == JFileChooser.APPROVE_OPTION) {
            File file = selector.getSelectedFile();
            path = file.getParent();
            filename = selector.getSelectedFile().getName();
            System.out.println(path);
            System.out.println(filename);
            try {
                CSVFileWriter.writeCSVFileInputs(filename, studentArray, path);
            } catch (IOException e) {
                JOptionPane.showMessageDialog(null, e, "Error writing the new Student Choices File.",
                        JOptionPane.ERROR_MESSAGE);
                System.exit(0);
            }
        }
        beenSaved = true;

    }//GEN-LAST:event_saveInputButtonActionPerformed

    private void approveButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_approveButtonActionPerformed
        for (int i = 0; i < numberOfStudents; i++) {
            errorStudents.setValueAt(true, i, 10);
        }
    }//GEN-LAST:event_approveButtonActionPerformed

    private void textFileSaverActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_textFileSaverActionPerformed
        // TODO add your handling code here:
        JFileChooser selector = new JFileChooser();
        String path;
        String filename;
        selector.setCurrentDirectory((File) lastPath);
        selector.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
        selector.setDialogTitle("Please select the folder where you want to save the list of students");
        if (selector.showSaveDialog(null) == JFileChooser.APPROVE_OPTION) {
            File file = selector.getSelectedFile();
            path = file.getParent();
            filename = selector.getSelectedFile().getName();
            System.out.println(path);
            System.out.println(filename);
            try {
                writeTextFileStudents(filename, path);
            } catch (IOException e) {
                JOptionPane.showMessageDialog(null, e, "Error writing the student list file.",
                        JOptionPane.ERROR_MESSAGE);
                System.exit(0);
            }
        }
    }//GEN-LAST:event_textFileSaverActionPerformed

    private void writeTextFileStudents(String filename, String directory) throws IOException {
        if (!filename.endsWith(".csv")) {
            filename += ".csv";
        }
        FileWriter fileWriter;
        File dir = new File(directory);
        File actualFile = new File(dir, filename);
        fileWriter = new FileWriter(actualFile);
        int numberColumns = errorStudents.getColumnCount();
        for (int i = 0; i < numberColumns; i++) {
            fileWriter.append(String.valueOf(errorStudents.getColumnName(i)));
            fileWriter.append(";");
        }
        fileWriter.append("\n");
        for (int i = 0; i < numberOfStudents; i++) {
            for (int j = 0; j < numberColumns - 1; j++) {
                fileWriter.append(String.valueOf(errorStudents.getValueAt(i, j)));
                fileWriter.append(";");
            }
            fileWriter.append("\n");
        }
        fileWriter.flush();
        fileWriter.close();
    }

    private void runTableStuff() {
        boolean chk;
        int choiceNumber = 0;
        lastIndex = exchangeallocatorframe.ExchangeAllocator.studentArray[studentArray.length - 1].getRanking() + 1;
        for (int i = numberOfStudents - 1; i >= 0; i--) {
            chk = (boolean) errorStudents.getValueAt(i, 10);
            if (chk) {
                choiceNumber = students[i].getChoiceNumber();
                students[i].setApproval(choiceNumber);
            } else {
                students[i].studentWipe();

                lastIndex = (int) errorStudents.getValueAt(i, 0);
            }
        }

    }

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        try {
            UIManager.setLookAndFeel(
                    UIManager.getSystemLookAndFeelClassName());
        } catch (ClassNotFoundException | InstantiationException | IllegalAccessException | UnsupportedLookAndFeelException ex) {
            Logger.getLogger(ErrorStudentsFrame.class.getName()).log(Level.SEVERE, null, ex);
        }

        /* 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 | InstantiationException | IllegalAccessException | javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(ErrorStudentsFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        }
        //</editor-fold>

        //</editor-fold>

        /* Create and display the form */
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                frame.setVisible(true);
            }
        });
    }

    private void fillRows() {

        DefaultTableModel model = (DefaultTableModel) errorStudents.getModel();
        Object[] data = new Object[11];
        boolean isApproved = false;
        for (Student student : students) {
            data[0] = student.getRanking();
            data[1] = student.getID();
            data[2] = student.getFirstName();
            data[3] = student.getLastName();
            data[4] = student.getPrefix();
            data[5] = student.getEmail1();
            data[6] = student.getUniName();
            University uni = student.getUni();
            data[7] = "";
            data[8] = "";
            if (uni.getGPAReq() > 0.0) {
                String GPAReq = String.valueOf(uni.getGPAReq());
                GPAReq += " GPA";
                data[8] = GPAReq;
            }
            if (uni.getEquallyWeightedReq() > 0.0) {
                String equalReq = String.valueOf(uni.getEquallyWeightedReq());
                equalReq += " EWA";
                data[7] = equalReq;
            }
            data[9] = uni.getOtherReq();
            data[10] = isApproved;
            model.addRow(data);
        }

    }

    private boolean beenSaved;
    static ErrorStudentsFrame frame;
    static int numberOfStudents;
    static Student[] students;
    static int lastIndex = -1;
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton approveButton;
    private javax.swing.JTable errorStudents;
    private javax.swing.JMenuItem exitButton;
    private javax.swing.JMenu fileButton;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JMenuBar mainMenu;
    private javax.swing.JButton runButton;
    private javax.swing.JButton saveInputButton;
    private javax.swing.JScrollPane studentViewer;
    private javax.swing.JButton textFileSaver;
    // End of variables declaration//GEN-END:variables
}