/*
Copyright 2000 by Ralph Hartley
This software is licenced under the terms of the
Gnu Public Licence
*/
import java.awt.event.*;
import java.awt.*;
import java.io.*;
import javax.swing.*;

public class Library extends LibraryItem {

  static int MINFILES = 10;
  static int EXTRA = 2;

  public Library(File file,Icon myicon,LibraryUser user) {
    super(file,user);
    if (icon==null && iconsym==null) {
      icon = myicon;
      height = icon.getIconHeight();
      width = icon.getIconWidth();
    }
  }

  public Library(File file,LibraryUser user) {
    super(file,user);
    if (icon==null && iconsym==null) {
      icon = new ImageIcon(getClass().getResource("icons/folder.gif"));
      height = icon.getIconHeight();
      width = icon.getIconWidth();
    }
  }

  public void actionPerformed(ActionEvent e) {    
    JFrame frame = new JFrame();

    frame.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);

    File[] filelist = file.listFiles(new FileFilter() {
        public boolean accept(File f) {
          if (f.getName().endsWith(".smb")) return(true);
          if (file.isDirectory()) return(true);
          return(false);
        }});

    int count = filelist.length;
    if (count < MINFILES) count = MINFILES;
    count += EXTRA;

    int cols = (int)Math.sqrt(count*2.0/3);
    int rows = 1 + count/cols;
    
    frame.getContentPane().setLayout(new GridLayout(rows,cols));

    for (int i=0;i<cols*rows;i++) {
      JButton slot = new JButton();
      Icon icon;
      if (i<filelist.length) {
        icon = getItem(filelist[i],user);
        slot.addActionListener((LibraryItem)icon);
//        slot.setText(((LibraryItem)icon).name);
      }
      else {
        icon = new ImageIcon("icons/empty.gif");
//        slot.setText(((LibraryItem)icon).name);
        slot.addActionListener(new LibraryAdder(slot,file,user));
      }
      slot.setIcon(icon);
      frame.getContentPane().add(slot);
    }
    frame.setSize(frame.getPreferredSize());
    frame.show();
  }
}