It215 week 9 final bookstore project part 6
//IT215 Week 9 Final
//Bookstore Project Part 6
//
import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import java.text.NumberFormat; //application uses Number Format
import java.util.Locale; //Application uses United States Currenc
public final class Bookstore extends JFrame //Class: Bookstore
{
final int MAX = 5;
Books pt[] = new Books[MAX];
int numBooks; //Keeps track of the number of books in the array
int curBooks;// The current number of books
JPanel detailPanel; //JPanels
JPanel navigation;
JPanel finalButtons;
JLabel lb1, lb2, lb3, lb4, lb5, lb6, lb7; //JLabels 1-7
JTextField tf1, tf2, tf3, tf4, tf5, tf6, tf7; //JTextField 1-7
JButton first, previous, next, last, add, delete, modify, save, search; //JButtons
Bookstore() //Bookstore Constructor
{
super(“Book Store”); //Frame Title
numBooks = 0; //Zero books on initial
curBooks = -1;
detailPanel = new JPanel();
detailPanel.setLayout(null);
first = new JButton(“First”); //Navigation “First” button
previous = new JButton(“Previous”); //Navigation “Previous” button
next = new JButton(“Next”);//Navigation “Next” button
last = new JButton(“Last”);//Navigation “Last” button
first.addActionListener(new ActionHandler()); //Actionlistener “First” event button
previous.addActionListener(new ActionHandler()); //Actionlistener “Previous” event button
next.addActionListener(new ActionHandler()); //Actionlistener “Next” event button
last.addActionListener(new ActionHandler()); //Actionlistener “Last” event button
//Navigation panel
navigation = new JPanel();
navigation.setLayout(new GridLayout(2,2));
navigation.setBounds(150,0,370,150);
navigation.add(first);
navigation.add(previous);
navigation.add(next);
navigation.add(last);
add(navigation);
//JLabels
lb1 = new JLabel(“Title”); //Title Label
lb2 = new JLabel(“ISBN”); //ISBN Label
lb3 = new JLabel(“Price”); //Author’s name Label
lb4 = new JLabel(“Year”); //Year Published Label
lb5 = new JLabel(“Publisher”); //Publisher’s name label
lb6 = new JLabel(“Author”); //Price of the book label
lb7 = new JLabel(“Total”); //Total cost of all books label
//Text fields
tf1 = new JTextField(20); //Title Text field
tf2 = new JTextField(20); //ISBN Text field
tf3 = new JTextField(20); //Author’s name Text field
tf4 = new JTextField(20); //Year Published Text field
tf5 = new JTextField(20); //Publisher’s name Text field
tf6 = new JTextField(20); //Price of the book Text field
tf7 = new JTextField(20); //Total cost of all books Text field
//Additions for Final Project: buttons
finalButtons = new JPanel();
finalButtons.setBounds(0,150,150,350);
finalButtons.setLayout(new GridLayout(5,1));
add = new JButton(“Add”);
delete = new JButton(“Delete”);
modify = new JButton(“Modify”);
save = new JButton(“Save”);
search = new JButton(“Search”);
//Final Project: buttons Actionlisteners
add.addActionListener(new ActionHandler());
delete.addActionListener(new ActionHandler());
modify.addActionListener(new ActionHandler());
save.addActionListener(new ActionHandler());
search.addActionListener(new ActionHandler());
finalButtons.add(add);
finalButtons.add(delete);
finalButtons.add(modify);
finalButtons.add(save);
finalButtons.add(search);
add(finalButtons);
setLayout(null);
//Set Frame Size
setSize(528,533);
setLocation(150,100);
setResizable(false);
//Panel label positions
lb1.setBounds(20,30,200,25);
lb2.setBounds(20,60,200,25);
lb3.setBounds(20,90,200,25);
lb4.setBounds(20,120,200,25);
lb5.setBounds(20,150,200,25);
lb6.setBounds(20,180,200,25);
lb7.setBounds(20,210,200,25);
//Panel Text field positions
tf1.setBounds(240,30,100,25);
tf2.setBounds(240,60,100,25);
tf3.setBounds(240,90,100,25);
tf4.setBounds(240,120,100,25);
tf5.setBounds(240,150,100,25);
tf6.setBounds(240,180,100,25);
tf7.setBounds(240,210,100,25);
//Removing ability to manually edit text fields
editText(false);
//Setting text field BG color to WHITE
tf1.setBackground(Color.WHITE);
tf2.setBackground(Color.WHITE);
tf3.setBackground(Color.WHITE);
tf4.setBackground(Color.WHITE);
tf5.setBackground(Color.WHITE);
tf6.setBackground(Color.WHITE);
tf7.setBackground(Color.WHITE);
//Adding labels to Detail Panel
detailPanel.add(lb1);
detailPanel.add(lb2);
detailPanel.add(lb3);
detailPanel.add(lb4);
detailPanel.add(lb5);
detailPanel.add(lb6);
detailPanel.add(lb7);
//Adding TF to Detail Panel
detailPanel.add(tf1);
detailPanel.add(tf2);
detailPanel.add(tf3);
detailPanel.add(tf4);
detailPanel.add(tf5);
detailPanel.add(tf6);
detailPanel.add(tf7);
//Setting Detail Panel to frame
detailPanel.setBounds(150,150,370,350);
add(detailPanel);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setVisible(true);
}
//Total value of all items in inventory
public float total()
{
float total = 0;
for(int i=0; i<numBooks; i++)
{
total += pt[i].getTotal();
}
return total;
}
//bookDisplay method
public void bookDisplay(int index)
{
//Numberformat = US
NumberFormat nfc = NumberFormat.getCurrencyInstance(Locale.US);
tf1.setText( pt[index].getTitle() );
tf2.setText( pt[index].getISBN() + “”);
tf3.setText( nfc.format( pt[index].getPrice() ) );
tf4.setText( pt[index].getYear() + “”);
tf5.setText( nfc.format( pt[index].getPublisher() ) );
tf6.setText( pt[index].getAuthor() );
tf7.setText( nfc.format(pt[index].getTotal) );
}
//this method sorts the array accoding to the names (Sorting technique: Bubble Sort)
public void arraySort(int curBooks)
{
int pass , i;
int temp;
Books s = null;
//sorts books with more than one in array
if(curBooks > 1)
{
//make curBooks – 1 passes through the array
for(pass=1; pass<curBooks; pass++)
{
//in each pass shift largest element to right most position
for(i=0; i<curBooks-pass; i++)
{
//comparing the names of Individuals
temp = (pt[i].getTitle()).compareTo(pt[i+1].getTitle());
if( temp > 0)
{
//if name at i position of array is greater than one at i+1 position than swap
s = pt[i];
pt[i] = pt[i+1];
pt[i+1] = s;
}//if ends
}//second for loop ends
}//first for loop ends
}//if condition ends
}
//Method to enable and disable textfields.
void editText(boolean state)
{
//disable editing of text fields
tf1.setEditable(state);
tf2.setEditable(state);
tf3.setEditable(state);
tf4.setEditable(state);
tf5.setEditable(false);
tf6.setEditable(state);
tf7.setEditable(false);
}
//book search by titles
int searchByTitle(String searchTitle)
{
int i;
for(i=0;i<numBooks;i++)
{
if(pt[i].getTitle().equals(searchTitle)) //case sensative matching of Titles
{
curBooks = i;
bookDisplay(curBooks);
return i; //return index if match is found
}
}
if(i == numBooks) // means no match found
{
return -1; //return -1
}
return -1; // no match found
}
//inner class for handling action events
class ActionHandler implements ActionListener
{
//handle button event
public void actionPerformed( ActionEvent event )
{
// handling events generated by buttons
if(event.getSource() == first) //moving to first record
{
if(numBooks != 0)
{
curBooks = 0;
bookDisplay(curBooks);
}
else
{
JOptionPane.showMessageDialog(null,”No books in program.”);
}
}
else if( event.getSource() == previous ) //moving to previous record
{
if(numBooks != 0) // array is not empty
{
if( curBooks == 0 ) // showing first record
{
curBooks = numBooks-1; // move to last
}
else
{
if(numBooks > 1)
{
curBooks–; // move to previous
}
}
bookDisplay(curBooks); // display in GUI
}
else
{
JOptionPane.showMessageDialog(null,”No books in program.”); // array is empty
}
}
else if( event.getSource() == next ) // moving to next record
{
if(numBooks != 0) // array is not empty
{
if( curBooks == numBooks – 1 ) //showing last record
{
curBooks = 0; // move to first
bookDisplay(curBooks);
}
else
{
curBooks++; // display next
bookDisplay(curBooks);
}
}
else
{
JOptionPane.showMessageDialog(null,”No books in program.”); // array is empty
}
}
else if( event.getSource() == last ) // moving to last record
{
if(numBooks != 0) // array is not empty
{
curBooks = numBooks – 1; // move to last
bookDisplay( curBooks );
}
else
{
JOptionPane.showMessageDialog(null,”No books in program.”); // array is empty
}
}
else if( event.getSource() == add ) // Adds book info to array
{
if(numBooks == MAX)
{
JOptionPane.showMessageDialog(null,”No more room in array.”);
return;
}
//Method to enter book information.
String name = JOptionPane.showInputDialog(null,”Enter Book Name(or QUIT to exit.)”);
name = name.trim();
if(name.equalsIgnoreCase(“quit”))
{
return;
}
while (name.isEmpty()) // Makes sure that field is not left empty
{
name = JOptionPane.showInputDialog(null,”Incorrect Syntax; Enter the Book Name”);
name = name.trim(); // trims any spaces
}
String ISBN = JOptionPane.showInputDialog(null,”Enter the ISBN”);
{
while (ISBN.isEmpty())
{
ISBN = JOptionPane.showInputDialog(null,”Incorrect Syntax; Enter the ISBN”);
ISBN = ISBN.trim();
}
}
float price = 0;
//try catch used to data other than required format
try
{
price = Float.parseFloat(JOptionPane.showInputDialog(null,”Enter the Book’s Price”));
}
catch(HeadlessException | NumberFormatException e)
{
JOptionPane.showMessageDialog(null,”Please enter the correct price.”);
}
while (price <= 0)
{
try
{
price = Float.parseFloat(JOptionPane.showInputDialog(null,”Please enter the correct price.”));
}
catch(HeadlessException | NumberFormatException e)
{
JOptionPane.showMessageDialog(null,”Please enter the correct price.”);
}
}
String Year = JOptionPane.showInputDialog(null,”Enter the Year of publishing.”);
{
while (Year.isEmpty())
{
Year = JOptionPane.showInputDialog(null,”Incorrect Syntax; Enter the correct Year.”);
Year = Year.trim();
}
}
String Publisher = JOptionPane.showInputDialog(null,”Enter the Publisher’s Name.”);
{
while (Publisher.isEmpty())
{
Publisher = JOptionPane.showInputDialog(null,”Incorrect Syntax; Enter the Publisher’s Name.”);
Publisher = Publisher.trim();
}
}
String Author = JOptionPane.showInputDialog(null,”Enter the Author’s Name.”);
{
while (Author.isEmpty())
{
Author = JOptionPane.showInputDialog(null,”Incorrect Syntax; Enter the Author’s Name.”);
Author = Author.trim();
}
}
//prompts the user to input units in stock
int Total = 0;
//try catch used to data other than required format
try
{
Total = Integer.parseInt(JOptionPane.showInputDialog(null,”Enter the total number of books.”));
}
catch(HeadlessException | NumberFormatException e)
{
JOptionPane.showMessageDialog(null,”Please enter a positive number”);
}
while ( Total <= 0) //Makes sure user inputs a positive number.
{
try
{
Total = Integer.parseInt(JOptionPane.showInputDialog(null,”Please enter a positive number.”));//Tells user to input a positve number.
}
catch(HeadlessException | NumberFormatException e)
{
JOptionPane.showMessageDialog(null,”Please enter a positive number.”);
}
}
//create new Books object
Books book = new Books();
//add book to array
pt[numBooks] = book;
//increment total
numBooks++;
//display in GUI
curBooks = numBooks -1;
bookDisplay(curBooks);
// buttons will not be enabled unless user enters at least one detail
if(numBooks > 0)
{
first.setEnabled(true);
previous.setEnabled(true);
next.setEnabled(true);
last.setEnabled(true);
}
//sort the array
arraySort(numBooks);
}
else if(event.getSource() == delete) // handle events from dlt button
{
if(numBooks>=1) // array is not empty
{
int index;
String deleteByTitle=null;
// prompt for name to delete
deleteByTitle = JOptionPane.showInputDialog(null,”Enter the name to delete”);
if(deleteByTitle == null)
{
return;
}
index = searchByTitle(deleteByTitle); //search name in the array
if(index != -1)
{
//found
if(numBooks==1) // present at first position
{
pt[0] = null; //delete
}
else
{
for(int i=index;i<numBooks-1;i++) //shift all to right
{
pt[i]=pt[i+1];
}
}
pt[numBooks-1] = null; // delete
numBooks–; //one deleted
if(numBooks!=0) // check array is not empty
{
curBooks=0;
bookDisplay(curBooks); // display first
}
else // empty so make text fields empty
{
tf1.setText(“”);
tf2.setText(“”);
tf3.setText(“”);
tf4.setText(“”);
tf5.setText(“”);
tf6.setText(“”);
tf7.setText(“”);
}
JOptionPane.showMessageDialog(null,”Record deleted successfully”);
}
else //not found
{
JOptionPane.showMessageDialog(null,”Record not available in Array.”);
}
}
else // array is empty
{
JOptionPane.showMessageDialog(null,”No Record Available!!!”);
}
}
//modify button is used for modification
//first it displays “Modify” when user presses it, it changes
// to “Update” to update the changes made
else if(event.getSource() == modify && modify.getText().equals(“Modify”)) //modify a record
{
if(numBooks != 0) //array is not empty
{
int index;
String modifyTitle=null;
// prompt for Title
modifyTitle = JOptionPane.showInputDialog(null,”Enter Title to Modify”);
//search in array
if(modifyTitle == null)
{
return;
}
index = searchByTitle(modifyTitle);
if(index != -1) //found in array
{
//display in GUI
curBooks = index;
bookDisplay(curBooks);
JOptionPane.showMessageDialog(null,”Record found. Now you can modify the details in textfields. \nAfter you are done, please press the Update button.”);
//change “Modify” to “Update”
modify.setText(“Update”);
//enable editing of text fields
editText(true);
}
else //not found
{
JOptionPane.showMessageDialog(null,”Record not found.”);
}
}
else // array is empty
{
JOptionPane.showMessageDialog(null,”No Record Available!!!”);
}
}
else if(event.getSource() == modify && modify.getText().equals(“Update”)) //user presses “Update”
{
modify.setText(“Modify”); //change to “Modify”
editText(false); //disable textfields
//use setter functions to update all the data
pt[curBooks].setTitle(tf1.getText());
pt[curBooks].setISBN(tf2.getText());
pt[curBooks].setPrice(Float.parseFloat(tf3.getText().substring(1)));
pt[curBooks].setYear(tf4.getText());
pt[curBooks].setPublisher(tf5.getText());
pt[curBooks].setAuthor(tf6.getText());
pt[curBooks].setTotal((long) Float.parseFloat(tf7.getText().substring(1)));
bookDisplay(curBooks);
}
else if(event.getSource() == save) //events from save button
{
if(numBooks != 0) // array is not empty
{
try
{
//first create the directory
File f = new File(“c:\\data\\it215\\”);
f.mkdir();
//now create the file in that directory
FileOutputStream outputFile = new FileOutputStream(“c:\\data\\it215\\bookinventory.dat”);
try (ObjectOutputStream ob = new ObjectOutputStream(outputFile)) {
for(int i=0;i<numBooks;i++)
{
//one object at time to file
ob.writeObject(pt[i]);
} }
JOptionPane.showMessageDialog(null,”Save successful.”);
}
catch(IOException | HeadlessException e)
{
JOptionPane.showMessageDialog(null,”Error opening file.”);
}
}
else
{
JOptionPane.showMessageDialog(null,”Array is Empty”);
}
}
else if(event.getSource() == search) //search button
{
String searchTitle=null;
if(numBooks==0) //empty array
{
JOptionPane.showMessageDialog(null,”Array is Empty”);
}
else //prompt fot name to search
{
searchTitle = JOptionPane.showInputDialog(null,”Enter the Title to search”);
if(searchTitle==null)
{
return;
}
//method searchByName displays the detail to GUI if found and returns its index
if(searchByTitle(searchTitle)!= -1)
{
JOptionPane.showMessageDialog(null,”Record available in Array.”);
}
else
{
JOptionPane.showMessageDialog(null,”Record not available in Array.”);
}
}
}
}
}
// main method execution starts here
public static void main(String[] args)
{
//creates new Bookstore object
Bookstore tip = new Bookstore();
} //Ends main method.
class Books extends Book implements Serializable
{
private Object getTotal;
Books()
{
super();
}
Books(String Title, String ISBN, float Price, String Year, String Publisher, String Author, long Total)
{
super();
}
}//class ends
class Book implements Serializable
{
//Variable specifications
private String Title; // Variable that stores the title
private String ISBN; // Variable that stores the product ID/number
private float Price; // Variable that stores the unit price of the product
private String Year;
private String Publisher;
private String Author;
private long Total; // Variable that stores the number of product units in stock
// Constructor for a product that is not specified
Book()
{
setTitle(“UNKNOWN”);
setISBN(“UNKNOWN”);
setPrice(0);
setTotal(0);
}
// Constructor for a product with a Title, ID/number, unit price, and number of units in stock
Book(String Title, String ISBN, float Price, String Year, String Publisher, String Author, long Total)
{
setTitle(Title);
setISBN(ISBN);
setPrice(0);
setYear(Year);
setPublisher(Publisher);
setAuthor(Author);
setTotal(0);
}
//Setters
public void setTitle (String Title)
{
this.Title = Title;
}
public void setISBN (String ISBN)
{
this.ISBN = ISBN;
}
public void setPrice (float Price)
{
this.Price = Price;
}
public void setYear (String Year)
{
this.Year = Year;
}
public void setPublisher (String Publisher)
{
this.Publisher = Publisher;
}
public void setAuthor (String Author)
{
this.Author = Author;
}
public void setTotal (long Total)
{
this.Total = Total;
}
//Getters
public String getTitle()
{
return Title;
}
public String getISBN()
{
return ISBN;
}
public float getPrice()
{
return Price;
}
public String getYear()
{
return Year;
}
public String getPublisher()
{
return Publisher;
}
public String getAuthor()
{
return Author;
}
public long getTotal()
{
return Total;
}
//Computes and Returns total price of all objects
public float getTotal2()
{
return (Total * Price);
}
} // end class Product
} //Ends class Bookstore
