Thread: JList Update and Clear + Other Annoying Crap... Up for a challenge? Lol (Help)

edited ... Iam having no errors.. just the jList is not getting updated.. sorry about the words.

package GUI;
 
import javax.swing.*;
import java.awt.*;
import java.net.*;
import java.io.*;
import java.util.*;
 
public class GuiMaintain extends javax.swing.JFrame
{
 
    public DefaultListModel ListModel = new DefaultListModel();
    public ArrayList editRecord = new ArrayList();
 
    public GuiMaintain()
    {
        initComponents();
        //maintainLoad();
        jList1.setModel(ListModel);
    }
 
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">
    private void initComponents() {
 
        btnEdit = new javax.swing.JButton();
        jScrollPane1 = new javax.swing.JScrollPane();
        jList1 = new javax.swing.JList();
 
        setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);
        setTitle("Maintain Documents");
 
        btnEdit.setText("Edit");
        btnEdit.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnEditActionPerformed(evt);
            }
        });
 
        jScrollPane1.setViewportView(jList1);
 
        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(719, Short.MAX_VALUE)
                .addComponent(btnEdit)
                .addContainerGap())
            .addComponent(jScrollPane1, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.DEFAULT_SIZE, 780, Short.MAX_VALUE)
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 420, Short.MAX_VALUE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(btnEdit)
                .addGap(6, 6, 6))
        );
 
        java.awt.Dimension screenSize = java.awt.Toolkit.getDefaultToolkit().getScreenSize();
        setBounds((screenSize.width-796)/2, (screenSize.height-493)/2, 796, 493);
    }// </editor-fold>
 
private void btnEditActionPerformed(java.awt.event.ActionEvent evt) {                                        
    if (jList1.getSelectedIndex() != -1)
    {
        Functionality.Documents documents = new Functionality.Documents();
        documents.setIndex(jList1.getSelectedIndex());
 
        GuiEdit editForm = new GuiEdit();
        editForm.setVisible(true);
 
        String splittedRecord[] = editRecord.get(documents.getIndex()).toString().split("\\|");
        editForm.txtTitle.setText(splittedRecord[0]);
        editForm.txtSummary.setText(splittedRecord[1]);
        editForm.txtPath.setText(splittedRecord[3]);
        editForm.txtRefNo.setText(splittedRecord[2]);
    }
}                                       
 
    public void maintainLoad()
    {
        try
        {
            Scanner getRecords;
            URL url = getClass().getResource("/Information/records.txt");
            getRecords = new Scanner(new File(url.getPath()));
 
            for (int a = 0; getRecords.hasNextLine(); a++)
            {
                String line = getRecords.nextLine();
                String splittedText[] = line.split("\\|");
                if (splittedText.length == 4)
                {
                    editRecord.add(a, line);
                    ListModel.add(ListModel.size(), "Title: " + splittedText[0] + " - " + "Summary: " + splittedText[1]
                            + " - " + "Ref no: " + splittedText[2] + " - " + "Path: " + splittedText[3]);
                }
            }
            getRecords.close();
        } catch (IOException e)
        {
            System.out.println("Error");
        }
    }
 
    public void editArrayUpdate(String title, String summary, String refNo, String path)
    {
        try
        {
            URL url = getClass().getResource("/Information/records.txt");
            Functionality.Documents documents = new Functionality.Documents();
            //re-load empty readUpdate arraylist with records and add the one that needed to be implemented.
            Scanner readUpdate;
            readUpdate = new Scanner(new File(url.getPath()));
            for (int i = 0; readUpdate.hasNextLine(); i++)
            {
                if(i == documents.getIndex())
                {
                editRecord.add(documents.getIndex(), title + "|" + summary + "|" + refNo + "|" + path);
                System.out.println(documents.getIndex());
                }
                else 
                { 
                   editRecord.add(readUpdate.nextLine()); 
                }
            }
            readUpdate.close();
 
            //update text file .....
            Formatter writeNew = new Formatter(url.getPath());
            for (int i = 0; i < editRecord.size(); i++)
            {
                writeNew.format(editRecord.get(i).toString() + "%n");
            }
            writeNew.close();
 
            //update list...
            Scanner Update;
            Update = new Scanner(new File(url.getPath()));
            for (int i = 0; Update.hasNextLine(); i++)
            {
                String line = Update.nextLine();
                String splittedText[] = line.split("\\|");
                ListModel.add(i, "Title: " + splittedText[0] + " - " + "Summary: " + splittedText[1] + " - " + "Ref no: " + splittedText[2] + " - " + "Path: " + splittedText[3]);
            }
            Update.close();
        } catch (Exception e)
        {
            System.out.println(e.getMessage());
        }
 
 
 
    }
    // Variables declaration - do not modify
    private javax.swing.JButton btnEdit;
    public javax.swing.JList jList1;
    private javax.swing.JScrollPane jScrollPane1;
    // End of variables declaration
}