I having a small problem with the output on the Your CD's side, they are only viewable if I double click inside the pane, then they show up, almost like the pane is on top. How can I fix, I have tried moving things around and changing the TextArea to a TextField, but to no avail.
/**
* Write a description of class CD here.
*
* @author (your name)
* @version (a version number or a date)
*/
public class CD
{
//The purpose of this class is to create the object of the CD with a title, category,
//rating, artist
private String artist;
private String title;
private String category;
private int rating;
public CD()
{
//constructor
artist = "";
title = "";
category = "";
rating = 0;
}
public CD(String _title, String _category, int _rating, String _artist)
{
//for ease, allow a constructor that asks for
//all information at the beginning
title = _title;
category = _category;
rating = _rating;
artist = _artist;
}
//methods to retrieve information
public String getArtist()
{
return artist;
}
public String getTitle()
{
return title;
}
public String getCategory()
{
return category;
}
public int getRating()
{
return rating;
}
}
/**
* Write a description of class CDTester here.
*
* @author (your name)
* @version (a version number or a date)
*/
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.TitledBorder;
import javax.swing.border.EtchedBorder;
import java.io.*;
// The purpose of this class is to create the input window interface.
// Needs to extends JFrame so we can make the parameters.
public class CDFrame extends JFrame
{
//make instance of Collection class.
Collection C = new Collection();
//throws IOException to catch illegal input/output
public CDFrame() throws IOException
{
setSize(FRAME_WIDTH,FRAME_HEIGHT);
//creates panels that perform methods.
JPanel addCDPanel = addCD();
JPanel displayCDPanel = displayCD();
//adds border
displayCDPanel.setBorder(new TitledBorder(new EtchedBorder(), "Your CDs"));
add(displayCDPanel, BorderLayout.CENTER);
//adds border
addCDPanel.setBorder(new TitledBorder(new EtchedBorder(), "Add CDs"));
add(addCDPanel, BorderLayout.WEST);
displayCollection();
//C.readData();
}
public JPanel displayCD()
{
//makes the CD display window and sets the dimensions
JPanel panel2 = new JPanel();
panel2.setPreferredSize(new Dimension(500,500));
//panel.setLocation(100,100);
panel2.setBackground(Color.WHITE);
box5.setLineWrap(true);
box5.setWrapStyleWord(true);
box5.setEditable(false);
panel2.add(box5);
return panel2;
}
public JPanel addCD() throws IOException
// throws IOException to allow illegal input/output
{
//needed to access data for graphical interface
class addNewCD implements ActionListener
{
public void actionPerformed(ActionEvent event)
{
try
{
// This adds the CD to the viewing window
String artistTemp = box.getText();
String titleTemp = box2.getText();
String catTemp = box3.getText();
int ratingTemp = Integer.parseInt(box4.getText());
C.addCD(titleTemp,catTemp,ratingTemp,artistTemp);
//readDataOntoScreen();
JPanel displayCDPanel = displayCD();
add(displayCDPanel, BorderLayout.CENTER);
displayCollection();
clearInput();
}
// try catch to bypass illegal values
catch (NumberFormatException e)
{
System.out.println(e);
label5.setText("One or more fields are invalid.");
label6.setText("Check your input.");
System.out.println("NOES!");
}
// C.writeData();
}
}
ActionListener listener = new addNewCD();
button.addActionListener(listener);
// creates interface
JPanel panel = new JPanel();
panel.setPreferredSize(new Dimension(260,50));
//panel.setLocation(100,100);
panel.setBackground(Color.WHITE);
//creates interface by adding labels and text boxes
panel.add(label);
panel.add(box);
panel.add(label2);
panel.add(box2);
panel.add(label3);
panel.add(box3);
panel.add(label4);
panel.add(box4);
panel.add(button);
panel.add(label5);
panel.add(label6);
return panel;
}
// method to display cdcollection
public void displayCollection()
{
String tempString = "";
for (int x = 0; x < C.getCount(); x++)
{
CD mike = C.getData(x);
// writes data in order that user is instructed to input it
tempString += "Artist: " + mike.getArtist() + "\nTitle: " + mike.getTitle() + "\nCategory: " + mike.getCategory() + "\nRating: " + mike.getRating() + "\n\n";
}
System.out.println(tempString);
box5.append(tempString);
}
// this is created to display the current CD collection on the viewing window.
public void readDataOntoScreen()
{
String str;
// BufferedReader br;
try
{
// our file will be read from C:\\file.txt
File f = new File("C:\\Documents and Settings\\cs306.CS-00\\Desktop\\File.txt");
br = new BufferedReader(new FileReader(f));
while((str = br.readLine()) != null)
{
box5.append(str);
}
}
// add catch to state wheather or not file exists
catch (FileNotFoundException e)
{
System.out.println(e);
}
catch (IOException ioe)
{
System.out.println(ioe);
}
finally
{
try
{
//required. you must close a FileReader
br.close();
}
catch (Exception ignored)
{
}
}
}
// this resets your data fields every time
public void clearInput()
{
box.setText(null);
box2.setText(null);
box3.setText(null);
box4.setText(null);
label5.setText(null);
label6.setText(null);
}
//this creates all of our labels and text fields. These are where the user interacts
JLabel label = new JLabel ("Enter Artist name:");
final JTextField box = new JTextField(null,20);
JLabel label2 = new JLabel ("Enter CD Title:");
final JTextField box2 = new JTextField(null,20);
JLabel label3 = new JLabel ("Enter Category:");
final JTextField box3 = new JTextField(null,20);
JLabel label4 = new JLabel ("Enter your rating for CD between 1 and 5:");
JLabel label5 = new JLabel();
JLabel label6 = new JLabel();
final JTextField box4 = new JTextField(null,20);
// button to implement methods
JButton button = new JButton("Add CD");
final JTextArea box5 = new JTextArea(5,50);
// intilize frame
public BufferedReader br;
final int FRAME_WIDTH = 500;
final int FRAME_HEIGHT = 500;
}
import java.util.ArrayList;
import java.io.*;
import java.util.Scanner;
public class Collection
{
// public does not need to see this
private File fileName;
private ArrayList<CD> album = new ArrayList<CD>();
private Scanner input;
public Collection()
{
// initiize the file we are writing to
fileName = new File("C:\\Documents and Settings\\cs306.CS-00\\Desktop\\File.txt");
readData();
}
public Collection(String filename)
{
//so we can use any file we want to
fileName = new File(filename);
readData();
}
// addCD method that will be used in other classes
public void addCD(String _title, String _category, int _rating, String _artist)
{
album.add(new CD(_title, _category, _rating, _artist));
// catch illegal input
try
{
writeData();
}
catch (IOException s)
{
System.out.println(s.toString());
}
}
// This reads data from our file.txt
private void readData()
{
try
{
album.clear();
input = new Scanner(fileName);
while (input.hasNext())
{
String s = input.nextLine();
String[] cd = s.split("ÿ");
album.add(new CD(cd[0], cd[1], Integer.parseInt(cd[2]), cd[3]));
}
}
catch(Exception e)
{
System.out.println(e.toString());
}
finally
{
input.close();
}
}
//we did not use this
public int getCount()
{
return album.size();
}
// gets data from the file
public CD getData(int index)
{
return album.get(index);
}
// This is our method to write to file.txt. We are not returning anything right here
private void writeData() throws IOException
{
PrintWriter output = new PrintWriter(fileName);
for(CD cd: album)
{
// write with delimeters
output.write(cd.getTitle() + "ÿ" + cd.getCategory() + "ÿ" + cd.getRating() + "ÿ" + cd.getArtist() + "\n");
//output.print(cd);
}
//close PrintWriter
output.close();
}
}
import javax.swing.JFrame;
import java.io.*;
// this program tests the CDFrame
public class CDFrameViewer
{
// this is our main
public static void main(String[]args) throws IOException
{
// make instance of CDFrame
JFrame frame = new CDFrame();
//required for interface
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setVisible(true);
}
}Thanks in advance!!!
