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editItem.java
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editItem.java
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/**
* The editing page of the product that the user is selling.
* Contains name,price,quantity,picture ready to be edited and saved.
*
* @author Daniel Wang
* @version 2010/1/16
*/
import java.util.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.JOptionPane;
import javax.imageio.*;
import java.io.*;
import java.io.FileFilter.*;
import java.awt.Image;
import java.awt.Graphics.*;
import java.sql.*;
import java.awt.image.BufferedImage;
import java.applet.*;
import java.awt.Container.*;
public class editItem extends JFrame
implements MouseListener,ActionListener,ItemListener
{
private Font font=new Font("Serif",Font.BOLD,20);
private JTextField name=new JTextField("",10);
private TextArea dis=new TextArea("");
private JTextField quan=new JTextField("",10);
private JTextField price=new JTextField("",10);
private JLabel n,q,d,p,pb;
private Button save= new Button("Save");
private Button bro= new Button("Browse");
private Button cancel= new Button("Cancel");
private int quanNum;
private double priceNum;
private JEditorPane jep = new JEditorPane();
private String address="epay.gif";
private JLabel addP;
private static ImageIcon ii,newii;
private static Image img;
private String nameText,disText,picture,productid;
private Connection con;
private Statement st;
private ResultSet rs;
private ResultSetMetaData rsmd;
private File f;
private JFileChooser fc;
private int flag;
private ImageIcon icon;
/**
* The constructor of the class
* variable id is the ID of the product that is going to be edited
* Set up the graphic user interface
* @param id is the ID of the product
*/
public editItem(String id){
super("Edit Product");
setLayout(null);
productid=id;
fc=new JFileChooser();
try
{Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");}
catch (ClassNotFoundException f) {
f.printStackTrace();
}
try
{
String filename=System.getProperty("user.dir")+"/db1.mdb";
String database = "jdbc:odbc:Driver={Microsoft Access Driver (*.mdb)};DBQ=";
database+=filename.trim()+ ";DriverID=22;READONLY=true}";
con = DriverManager.getConnection(database,"","");
st = con.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_READ_ONLY);
rs = st.executeQuery("select name,price,description,picture,quantity from product where ID="+id);
if (rs.next()){
nameText=rs.getString(1);
priceNum=rs.getDouble(2);
disText=rs.getString(3);
picture=rs.getString(4);
quanNum=rs.getInt(5);
}
}
catch (SQLException f)
{f.printStackTrace();}
n=new JLabel("Name:");
add(n);
n.setBounds(10,10,50,20);
name.setText(nameText);
add(name);
name.setBounds(100,10,100,20);
q=new JLabel("Quantity:");
add(q);
q.setBounds(10,80,100,20);
quan.setText(Integer.toString(quanNum));
add(quan);
quan.setBounds(100,80,50,20);
p=new JLabel("Price:");
add(p);
p.setBounds(10,150,60,20);
price.setText(Double.toString(priceNum));
add(price);
price.setBounds(100,150,50,20);
d=new JLabel("Description:");
add(d);
d.setBounds(10,220,80,20);
dis = new TextArea("", 300, 80, TextArea.SCROLLBARS_VERTICAL_ONLY);
dis.setText(disText);
add(dis);
dis.setBounds(100,220,300,80);
pb=new JLabel("Picture:");
add(pb);
pb.setBounds(230,10,50,20);
add(bro);
bro.setBounds(300,10,50,20);
bro.addMouseListener(this);
add(save);
save.setBounds(70,310,50,20);
save.addMouseListener(this);
add(cancel);
cancel.setBounds(270,310,50,20);
cancel.addMouseListener(this);
if (picture!=null){
ii=new ImageIcon(picture);
img = ii.getImage().getScaledInstance(150, 150, java.awt.Image.SCALE_SMOOTH);
newii = new ImageIcon(img);
addP=new JLabel(newii);
add(addP);
addP.setBounds(230,40,150,150);
} else {
addP=new JLabel();
add(addP);
addP.setBounds(230,40,150,150);
}
this.setSize(430,380);
this.setResizable(false);
this.setVisible(true);
}
/**
* Update all the information in the database when the save button is clicked
*/
public void mouseClicked(MouseEvent e)
{
if (e.getSource()==save){
nameText=name.getText();
disText=dis.getText();
quanNum=Integer.parseInt(quan.getText());
priceNum=Double.parseDouble(price.getText());
try
{
st.executeUpdate("update product set name='"+nameText+"' where ID="+productid);
st.executeUpdate("update product set price="+priceNum+" where ID="+productid);
st.executeUpdate("update product set description='"+disText+"' where ID="+productid);
st.executeUpdate("update product set picture='"+picture+"' where ID="+productid);
st.executeUpdate("update product set quantity="+quanNum+" where ID="+productid);
rs = st.executeQuery("select ID,name,price,rating,quantity,owner from product where owner='"+myLogIn.id+"'");
rsmd=rs.getMetaData();
int columns=rsmd.getColumnCount();
rs.last();
int rows=rs.getRow();
String[] colNames = {""};
colNames=new String[columns];
Object[][] cells={{""},{""}};
cells=new Object[rows][columns];
rs.first();
for(int i=0;i<columns;i++)
{
colNames[i]=rsmd.getColumnLabel(i+1);
}
rs.beforeFirst();
for(int i=0;i<rows;i++){
if(rs.next()){
for(int j=0;j<columns;j++){
cells[i][j]=rs.getString(j+1);
}
}
}
sellPage.model.setDataVector(cells,colNames);
}
catch (SQLException f)
{f.printStackTrace();}
this.setVisible(false);
} else if (e.getSource()==bro){
openPic();
} else if(e.getSource()==cancel){
this.setVisible(false);
}
}
/**
* The method that makes open file dialog appear
*/
public void openPic(){
fc.setDialogTitle("Open File");
try{
flag=fc.showOpenDialog(this);
}
catch(HeadlessException head){
System.out.println("Open File Dialog ERROR!");
}
if(flag==JFileChooser.APPROVE_OPTION)
{
f=fc.getSelectedFile();
picture=fc.getName(f);
icon=new ImageIcon(picture);
icon.setImage(icon.getImage().getScaledInstance(icon.getIconWidth()*150/icon.getIconHeight(), 150,Image.SCALE_DEFAULT));
addP.setIcon(icon);
}
}
public void mouseExited(MouseEvent e)
{
}
public void mouseEntered(MouseEvent e)
{
}
public void mouseReleased(MouseEvent e) {}
public void mousePressed(MouseEvent e) {}
public void actionPerformed(ActionEvent e)
{
}
public static void main(String[] args){
}
public void itemStateChanged(ItemEvent e){}
}