package music;
 
 
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.text.*;
 
public class Music extends JFrame implements ActionListener
{
    //construct components
    JTextPane textPane = new JTextPane();
 
    //initialize data in arrays
    String artistName[] = {"Metallica", "Guns N Roses", "Dr Dre", "Soul Asylum"};
    String genre[] = {"Heavy Metal", "Heavy Metal", "Rap", "Rock"};
    String greatestHit[] = {"One", "Don't Cry", "Chronic", "Run Away Train"};
    String recordLabel[] = {"Def Jams", "Sony", "DeathRow","Artista"};
 
    //construct instance of FavMusic
    public Music()
    {
        super("Music information");
    }
 
    //create the menu system
    public JMenuBar createMenuBar()
    {
        //create an instance of the the menu
        JMenuBar mnuBar = new JMenuBar();
        setJMenuBar(mnuBar);
 
        //construct and populate the file menu
        JMenu mnuFile = new JMenu("File", true);
            mnuFile.setMnemonic(KeyEvent.VK_F);
            mnuFile.setDisplayedMnemonicIndex(0);
            mnuBar.add(mnuFile);
 
        JMenuItem mnuFileExit = new JMenuItem("Exit");
            mnuFileExit.setMnemonic(KeyEvent.VK_X);
            mnuFileExit.setDisplayedMnemonicIndex(1);
            mnuFile.add(mnuFileExit);
            mnuFileExit.setActionCommand("Exit");
            mnuFileExit.addActionListener(this);
 
        //construct and populate the Edit menu
        JMenu mnuEdit = new JMenu("Edit", true);
            mnuEdit.setMnemonic(KeyEvent.VK_E);
            mnuEdit.setDisplayedMnemonicIndex(0);
            mnuBar.add(mnuEdit);
 
        JMenuItem mnuEditInsert = new JMenuItem("Insert New Music");
            mnuEditInsert.setMnemonic(KeyEvent.VK_I);
            mnuEditInsert.setDisplayedMnemonicIndex(0);
            mnuEdit.add(mnuEditInsert);
            mnuEditInsert.setActionCommand("Insert");
            mnuEditInsert.addActionListener(this);
 
        JMenu mnuEditSort = new JMenu("Sort");
            mnuEditSort.setMnemonic(KeyEvent.VK_R);
            mnuEditSort.setDisplayedMnemonicIndex(3);
            mnuEdit.add(mnuEditSort);
 
        JMenuItem mnuEditSortByartistName = new JMenuItem("by Artist");
            mnuEditSortByartistName.setMnemonic(KeyEvent.VK_T);
            mnuEditSortByartistName.setDisplayedMnemonicIndex(3);
            mnuEditSort.add(mnuEditSortByartistName);
            mnuEditSortByartistName.setActionCommand("artistName");
            mnuEditSortByartistName.addActionListener(this);
 
        JMenuItem mnuEditSortByGenre =  new JMenuItem("by Genre");
            mnuEditSortByGenre.setMnemonic(KeyEvent.VK_S);
            mnuEditSortByGenre.setDisplayedMnemonicIndex(3);
            mnuEditSort.add(mnuEditSortByGenre);
            mnuEditSortByGenre.setActionCommand("genre");
            mnuEditSortByGenre.addActionListener(this);
 
        JMenuItem mnuEditSortBygreatestHit = new JMenuItem("by Greatest Hit");
            mnuEditSortBygreatestHit.setMnemonic(KeyEvent.VK_Y);
            mnuEditSortBygreatestHit.setDisplayedMnemonicIndex(3);
            mnuEditSort.add(mnuEditSortBygreatestHit);
            mnuEditSortBygreatestHit.setActionCommand("greatestHit");
            mnuEditSortBygreatestHit.addActionListener(this);
 
        JMenuItem mnuEditSortByrecordLabel = new JMenuItem("by Record Label");
            mnuEditSortByrecordLabel.setMnemonic(KeyEvent.VK_T);
            mnuEditSortByrecordLabel.setDisplayedMnemonicIndex(3);
            mnuEditSort.add(mnuEditSortByrecordLabel);
            mnuEditSortByrecordLabel.setActionCommand("recordLabel");
            mnuEditSortByrecordLabel.addActionListener(this);
 
        return mnuBar;
    }
 
    //create the content pane
    public Container createContentPane()
    {
            //create the JTextPane and center panel
            JPanel centerPanel = new JPanel();
                setTabsAndStyles(textPane);
                textPane = addTextToTextPane();
                JScrollPane scrollPane = new JScrollPane(textPane);
                    scrollPane.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
                    scrollPane.setPreferredSize(new Dimension(500, 200));
                    scrollPane.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
                    scrollPane.setPreferredSize(new Dimension(500, 200));
                centerPanel.add(scrollPane);
 
            //create container and set attributes
            Container c = getContentPane();
                c.setLayout(new BorderLayout(1,5));
                //c.add(northPanel, BorderLayout.NORTH);
                c.add(centerPanel, BorderLayout.CENTER);
 
            return c;
        }
 
        //method to create tabe stops and set font style
        protected void setTabsAndStyles(JTextPane textPane)
        {
            //create Tab Stops
            TabStop[] tabs = new TabStop[2];
                tabs[0] = new TabStop(200, TabStop.ALIGN_LEFT, TabStop.LEAD_NONE);
                tabs[1] = new TabStop(350, TabStop.ALIGN_LEFT, TabStop.LEAD_NONE);
            TabSet tabset = new TabSet(tabs);
 
            //set Tab Style
            StyleContext tabStyle = StyleContext.getDefaultStyleContext();
            AttributeSet aset =
                tabStyle.addAttribute(SimpleAttributeSet.EMPTY, StyleConstants.TabSet, tabset);
            textPane.setParagraphAttributes(aset, false);
 
            //set font style
            Style fontStyle =
                StyleContext.getDefaultStyleContext().getStyle(StyleContext.DEFAULT_STYLE);
 
            Style regular = textPane.addStyle("regular", fontStyle);
            StyleConstants.setFontFamily(fontStyle, "SansSerif");
 
            Style s = textPane.addStyle("italic", regular);
            StyleConstants.setItalic(s, true);
 
            s = textPane.addStyle("bold", regular);
            StyleConstants.setBold(s, true);
 
            s = textPane.addStyle("large", regular);
            StyleConstants.setFontSize(s, 16);
        }
 
        //method to add new text to the JTextpane
        public JTextPane addTextToTextPane()
        {
            Document doc = textPane.getDocument();
            try
            {
                //clear previous text
                doc.remove(0, doc.getLength());
 
                //insert artistName
                doc.insertString(0, "Artist\tGenre\tGreatest Hit\tRecord Label\n", textPane.getStyle("large"));
 
                //insert detail
                for (int j = 0; j < artistName.length; j++)
                {
                    doc.insertString(doc.getLength(), artistName[j] + "\t",
                    textPane.getStyle("bold"));
                    doc.insertString(doc.getLength(), genre[j] + "\t", textPane.getStyle("italic"));
                    doc.insertString(doc.getLength(), greatestHit[j] + "\t", textPane.getStyle("regular"));
                    doc.insertString(doc.getLength(), recordLabel[j] + "\t", textPane.getStyle("regular"));
                }
            }
            catch (BadLocationException ble)
            {
                System.err.println("Couldn't insert text.");
            }
            return textPane;
        }
 
        //event to process user clicks
                public void actionPerformed(ActionEvent e)
                {
                    String arg = e.getActionCommand();
 
                    //user clicks exit on the file menu
                    if (arg == "Exit")
                        System.exit(0);
 
                    //user clicks Insert New FavMusic on the edit menu
                    if (arg == "Insert")
                    {
                        //accept new data
                        String newartistName = JOptionPane.showInputDialog(null, "Please enter the new Artist");
                        String newGenre = JOptionPane.showInputDialog(null, "Please enter the genre for " + newartistName);
                        String newgreatestHit = JOptionPane.showInputDialog(null, "Please enter the Greatest Hit for for " + newartistName);
                        String newrecordLabel = JOptionPane.showInputDialog(null, "Please enter the Record Label for for " + newartistName);
 
                        //enlarge array
                        artistName = enlargeArray(artistName);
                        genre = enlargeArray(genre);
                        greatestHit = enlargeArray(greatestHit);
                        recordLabel = enlargeArray(recordLabel);
 
                        //add new data to arrays
                        artistName[artistName.length-1] = newartistName;
                        genre[genre.length-1] = newGenre;
                        greatestHit[greatestHit.length-1] = newgreatestHit;
                        recordLabel[recordLabel.length-1] = newrecordLabel;
 
            //call sort method
 
            // COMMENTED OUT s AND CHANGED SORT CALL TO NOW TAKE TWO PARAMETERS
 
            //String[] s = new String[]{arg, artistName};  
            sort(arg, artistName);
      }
 
      //user clicks artistName on the search submenu
      if (arg == "artistName")
            sort(arg, artistName);
 
      //user clicks genre on the search submenu
      if (arg == "genre")
            sort(arg, genre);
 
      //user clicks greatestHit on the search submenu
      if (arg == "greatestHit")
            sort(arg, greatestHit);
 
      //user clicks recordLabel on the search submenu
      if (arg == "recordLabel")
            sort(arg, recordLabel);
}
 
//method to enlarge an array by 1
public String[] enlargeArray(String[] currentArray)
{
      String[] newArray = new String[currentArray.length + 1];
      for (int i = 0; i < currentArray.length; i++)
            newArray[i] = currentArray[i];
      return newArray;
}
 
//method to sort arrays
public void sort(String arg, String tempArray[])
{
      //loop to control number of passes
      for (int pass = 1; pass <tempArray.length; pass++)
      {
            for (int element = 0; element < tempArray.length - 1; element ++)
                  if (tempArray[element].compareTo(tempArray[element + 1]) > 0)
                  {
                        swap (artistName, element, element + 1);
                        swap (genre, element, element + 1);
                        swap (greatestHit, element, element + 1);
                        swap (recordLabel, element, element + 1);
                    }
            }
            addTextToTextPane();
        }
 
        //method to swap two elements of an array
        public void swap(String swapArray[], int first, int second)
        {
            String hold;  //temporary area for swap
            hold = swapArray[first];
            swapArray[first] = swapArray[second];
            swapArray[second] = hold;
        }
 
 
         //main method executes at run time
         public static void main(String arg[])
         {
             JFrame.setDefaultLookAndFeelDecorated(true);
             Music f = new Music();
             f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
             f.setJMenuBar(f.createMenuBar());
             f.setContentPane(f.createContentPane());
             f.setSize(600, 275);
             f.setVisible(true);
         }
}

package musicgui;
 
import java.awt.event.ActionEvent;
import javax.swing.*;
 
 
public class MG extends JFrame 
{
 
 
    String Titles[] = {"Artist Name", "Title of Song", "Genre"};
 
    //initialize data in arrays
    String r1[] = {"Metallica", "Memory Remains", "Rock"};
 
    JPanel Panel = new JPanel();
    JButton jbtNext = new JButton("Next"); 
    JButton jbtPrev = new JButton("Previous");
    jbtNext.setToolTipText("Takes you to next record");
    jbtPrev.setToolTipText("Takes you to previous record");
    Panel.add(jbtNext);
    Panel.add(jbtPrev);
   }   
 
    public void actionPerformed(ActionEvent e)
                {
                    String arg = e.getActionCommand();
 
                    //user clicks exit on the file menu
                    if (arg == "Next")
                    {
                         String r2[] = {"The Hives", "Walk Idiot Walk", "Rock"};
                    }
                    if (arg == "Previous")
                    {
                     String r1[] = {"Metallica", "Memory Remains", "Rock"};   
                    }
                }
 
    JFrame frame = new JFrame();
    frame.add(Panel);
    frame.setTitle("Music Records");
    frame.setSize(200,150);
    frame.setLocation(200,100);
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setVisible(true);
 
    }
}