Notes

public class LoadFileListener implements ActionListener{
public void actionPerformed(ActionEvent event){
chooser = new JFileChooser();
FileNameExtensionFilter filtertxt = new FileNameExtensionFilter("Text Documents (*.txt", "txt");
chooser.setFileFilter(filtertxt);
chooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
status = chooser.showOpenDialog(null);
if (status != JFileChooser.APPROVE_OPTION){
textAreaPanel.removeAll();
textArea1 = new JEditorPane();
textArea1.setText("Please Choose a File!");
textArea1.setEditable(false);
textAreaPanel.setLayout(new GridLayout(1,1,10,10));
textAreaPanel.add(textArea1);
textAreaPanel.setBackground(Color.lightGray);
encode = false; decode = false;
}else{
file = chooser.getSelectedFile();
textArea = new JTextArea();
textAreaPanel.removeAll();
if(FileValidator.validateFile(file)){
try{
FileReader readMe = new FileReader(file);
BufferedReader buffMe = new BufferedReader(readMe);
textAreaPanel.setLayout(new GridLayout(1,1,10,10));
Scanner scanner = new Scanner(file);
currentLine1 = scanner.nextLine();
int temp = 0;
/*while((line = buffMe.readLine())!=null){
textArea.append(line+"n");
temp += line.length();
aList.add(line);

}*/
while (scanner.hasNextLine()) {
currentLine1 = currentLine1 + "n" + scanner.nextLine();
textArea.append(currentLine1+"n");
}
textAreaPanel.add(textArea);
textArea.setEditable(false);
textArea.setLineWrap(true);
textArea.setWrapStyleWord(true);
buffMe.close();
value = true;
}catch(FileSystemNotFoundException ex){
textArea1.setText("File Not Found! ");
textArea1.setEditable(false);
textAreaPanel.removeAll();
System.out.println("not found");
}catch(Exception ex){
System.out.println(ex);
}
}else{
textArea1.setText("Please Choose a File!");
textArea1.setEditable(false);
textAreaPanel.setLayout(new GridLayout(1,1,10,10));
textAreaPanel.add(textArea1);
textAreaPanel.setBackground(Color.lightGray);
textAreaPanel.removeAll(); //remove all components from the textAreaPanel
value = false;
}
}

textAreaPanel.revalidate();
textAreaPanel.repaint();
}
}