/*
 * Created on Jun 13, 2005
 *
 * HoldingsDisplay.java
 * 
 */

/**
 * @author Paul Hogge
 *
 * This is the GUI that will display the list of books in
 * the library's holdings.  A GUI will show the user the
 * book titles that are in the library's holdings.
 * 
 */
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class HoldingsDisplay extends JFrame implements ActionListener, MouseListener{
    
	// The state variable for this object.
	private JList list;
	private JMenuItem closeItem;
	private JMenuItem detailsItem;
	

	private JMenuItem editItem;
	private JButton editButton;
	private JTable table;
	
	private JButton closeButton; 
	private JButton detailsButton;
	private JTextArea textArea;
	private Holdings htemp;
	private Book btemp;
	private BookDisplay bd;
	//private BookDisplay bd = new BookDisplay();
	

	
	/**
	 * Creates an empty constructor
	 * for the object HoldingsDisplay.
	 *
	 */
	public HoldingsDisplay()
	{
	}
	/**
	 * This is the method that shall set up the
	 * GUI, and display the book titles that are
	 * in the library's holdings.  Has a menu as
	 * well as two buttons created in a panel.
	 * @param h
	 */
	public void setHoldings(Holdings h) 
	{
		
		
		// Gets the screen resolution.  Optional here.
		Toolkit kit = Toolkit.getDefaultToolkit();
		Dimension screenSize = kit.getScreenSize();
		int screenWidth = screenSize.width;
		int screenHeight = screenSize.height;
		
		// Creates the list.  Obtains Book info from
		// Holdings.java method getList().
		htemp = h;
		list = h.getList();
		list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
		list.setLayoutOrientation(JList.VERTICAL);
		list.addMouseListener(this);
	
		// Creates the window.
		JFrame.setDefaultLookAndFeelDecorated(true);
		JFrame displayMain = new JFrame("Holdings Display");
		displayMain.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	    displayMain.setSize(800, 600);
	    
	    // Option placement of GUI.  Using default.
	    // displayMain.setLocation(screenWidth/8, screenHeight/8);
	   
	    // Makes GUI visible
	    displayMain.setVisible(true);
	    
	    // Builds the menu bar to the frame.
		JMenuBar menuBar = new JMenuBar();
		displayMain.setJMenuBar(menuBar);
		
		// Creates menu object.
		JMenu editMenu = new JMenu("File");
		
		// Top-level menu bar added.
		menuBar.add(editMenu);
		
		// Edit menu item added under file.
		// Listener set for this menu item.
		editItem = new JMenuItem("Edit");
		editMenu.add(editItem);
		editItem.addActionListener(this);
		
		// Details menu item added under file.
		// Listener set for this menu item.
		detailsItem = new JMenuItem("Details");
		editMenu.add(detailsItem);
		detailsItem.addActionListener(this);
		
		
		
		// Details menu item added under file.
		// Listener set for this menu item.
		closeItem = new JMenuItem("Quit");
		editMenu.add(closeItem);
		closeItem.addActionListener(this);
		
		// Creates a panel, with three buttons on it.
		// Listeners are activated for these buttons.
		JPanel panel = new JPanel();
		editButton = new JButton("Edit");
		detailsButton = new JButton("Details");
		closeButton = new JButton("Quit");
		panel.add(editButton);
		editButton.addActionListener(this);
		panel.add(detailsButton);
		detailsButton.addActionListener(this);
		panel.add(closeButton);
		closeButton.addActionListener(this);
		
		// Displays the list and the panels.
		//displayMain.add(panel, BorderLayout.SOUTH);
		//mod - commented out - spec hw 3 - use JTable, not JList!
		//displayMain.add(list, BorderLayout.CENTER);
			
		// Updates the GUI with the mods.
		displayMain.validate();
		bd = new BookDisplay();
		bd.init();
		
		
		///*
		//mod
		tableDisplay();
		displayMain.setLayout(new BorderLayout());
		displayMain.add(table.getTableHeader(), BorderLayout.PAGE_START);
		displayMain.add(panel, BorderLayout.SOUTH);
		displayMain.add(table, BorderLayout.CENTER);
		displayMain.validate();
		//*/
	}

	public void tableDisplay()
	{
		String[] columnNames = { "Title", "First Name", "Last Name", "Publisher", "ISBN", "Year"};
		Object[][] data = htemp.getMatrix();
		table = new JTable(data, columnNames);
		table.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
	}
	

	/**
	 * This is ActionListener and the results
	 * that will occur for a given action within
	 * the user interface.  For buttons and menu.
	 */
	public void actionPerformed(ActionEvent e)
	{
		Object obj = e.getSource();
		if (obj.equals(closeItem) || obj.equals(closeButton))
		{
			System.exit(0);
		}
		
		else if (   (obj.equals(detailsItem) && (table.getSelectedRow() != -1)) || (obj.equals(detailsButton)) && (table.getSelectedRow() != -1)  ) 
		{
			System.out.println("DETAILS HIT");
			System.out.println(list.getSelectedIndex());
			btemp = htemp.getBook(table.getSelectedRow());
			//btemp = htemp.getBook(list.getSelectedIndex());
			//BookDisplay bd = new BookDisplay();
			//bd.setBook(btemp);
			bd.setBook(btemp);
			
		}
		
		else if (   (obj.equals(editItem) && (table.getSelectedRow() != -1)) || (obj.equals(editButton)) && (table.getSelectedRow() != -1)  )
		{
			System.out.println("EDIT HIT");
		}
		
		
	}
	
	/**
	 * This is the MouseListener and the results
	 * that will occur for a give action within
	 * the user interface.  For the mouse clicks.
	 * Only double click method is defined here.
	 */
	public void mouseClicked(MouseEvent e) {
		if (e.getClickCount() == 2)
		{
			
			System.out.println("DETAILS HIT");
			System.out.println(list.getSelectedIndex());
			btemp = htemp.getBook(list.getSelectedIndex());
			//BookDisplay bd = new BookDisplay();
			//bd.setBook(btemp);
			
			bd.setBook(btemp);
			
			
		}
	}
	
	public void mousePressed(MouseEvent e) {}
		
	public void mouseReleased(MouseEvent e) {}
	
	public void mouseEntered(MouseEvent e) {}
	
	public void mouseExited(MouseEvent e) {}
		
}