import java.awt.event.*;
import java.awt.*;
import java.beans.*;
import java.util.*;
import java.net.*;
import java.io.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.border.*;
import javax.swing.plaf.*;

public class HEI_Desk_14 extends JFrame implements ActionListener, VetoableChangeListener {

	private JDesktopPane desktop;
	private JMenuItem openItem, exitItem, nextItem, cascadeItem, tileItem, short_File;
	private JMenuItem openCal, about, openPP, NCRform, N2TformI, N2TformN, N2H, formB, formO, formC;
	private JMenuItem JbPrformB1,JbPrformB2,JbPrformB3,JbPrformB4,JbPrformO1,JbPrformO2,JbPrformO3,JbPrformO4;
	private JMenuItem JbPrformC1,JbPrformC2,JbPrformC3,JbPrformC4,JbPrformBa,JbPrformOa,JbPrformCa;

	private JCheckBoxMenuItem dragItem;
	private JButton winButton, javaButton, motifButton;

	String HEI_DIR = "./htm", HST_DIR = "./hst", if_hei, savestg = "save";
	JFileChooser fc = new JFileChooser(HEI_DIR);
	JFileChooser fcr = new JFileChooser(HST_DIR);
	HEI_Html_Filter filter = new HEI_Html_Filter();
	HEI_Filter hei_filter = new HEI_Filter();
	HEI_Rev_Filter rev_filter = new HEI_Rev_Filter();

	static final Integer DOCLAYER = new Integer(5);
	static final Integer TOOLLAYER = new Integer(6);
	static final Integer HELPLAYER = new Integer(7);

	int nextFrameX = 0;
	int nextFrameY = 0;
	int frameDistance = 0;

	static final String ABOUTMSG = "HEI - HEICO Engineering Application Tool\n";

	public HEI_Desk_14() {
		super( "HEI - Engineering Application Tool" );

		final int inset = 10;
		Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
		setBounds ( inset, inset/2, screenSize.width - inset*2, screenSize.height - inset*2 );

		desktop = new JDesktopPane();
		getContentPane().add( desktop );

		buildMenus();
		buildLaF();

		show();
	}

	protected void buildLaF() {
		// Add the look and feel controls using regular AWT buttons
		JPanel lnfPanel = new JPanel();
		LnFListener lnfListener = new LnFListener(this);

		javaButton = new JButton("Metal");
		javaButton.addActionListener(lnfListener);
		lnfPanel.add(javaButton);
		motifButton = new JButton("Motif");
		motifButton.addActionListener(lnfListener);
		lnfPanel.add(motifButton);
		winButton = new JButton("Windows");
		winButton.addActionListener(lnfListener);
		lnfPanel.add(winButton);
		getContentPane().add(lnfPanel, BorderLayout.SOUTH);

		//UIManager.addPropertyChangeListener(new UISwitchListener((JComponent)getRootPane()));
	}

	protected void buildMenus() {
		JMenuBar menuBar = new JMenuBar();
		setJMenuBar( menuBar );

		JMenu file = buildfileMenu();
		JMenu wind = buildwindMenu();
		JMenu formJ = buildFormJMenu();
		JMenu formN = buildFormNMenu();
		JMenu help 	= buildHelpMenu();

		menuBar.add(file);
		menuBar.add(wind);
		menuBar.add(formJ);
		menuBar.add(formN);
		menuBar.add(help);
	}

	protected JMenu buildfileMenu() {
		JMenu file = new JMenu("File");

		openItem = new JMenuItem( "Open File" );
		openCal = new JMenuItem( "Open Calendar" );
		openPP = new JMenuItem("Open Part Number Page");
		exitItem = new JMenuItem( "Exit" );

		openItem.addActionListener(this);
		openCal.addActionListener(this);
		openPP.addActionListener(this);
		exitItem.addActionListener(this);

		file.add(openItem);
		file.add(openCal);
		file.add(openPP);
		file.add(exitItem);

		return file;
	}

	protected JMenu buildwindMenu() {
		JMenu wind = new JMenu( "Window" );

		nextItem 	= new JMenuItem( "Next" );
		cascadeItem	= new JMenuItem( "Cascade" );
		tileItem 	= new JMenuItem( "Tile" );
		dragItem 	= new JCheckBoxMenuItem( "Drag Outline" );

		nextItem.addActionListener(this);
		cascadeItem.addActionListener(this);
		tileItem.addActionListener(this);
		dragItem.addActionListener(this);

		wind.add(nextItem);
		wind.add(cascadeItem);
		wind.add(tileItem);
		wind.add(dragItem);

		return wind;
	}

	protected JMenu buildFormJMenu() {
		JMenu formJ = new JMenu("JB Print Forms");

		formB = new JMenu("Start JB Print Form (Beeper - HEISCO1)");

		JbPrformB1 = new JMenuItem("Chameleon-1");
		JbPrformB2 = new JMenuItem("Chameleon-2");
		JbPrformB3 = new JMenuItem("Chameleon-3");
		JbPrformB4 = new JMenuItem("Chameleon-4");

		formO = new JMenu("Start JB Print Form (Office - MEATII)");

		JbPrformO1 = new JMenuItem("Chameleon-1");
		JbPrformO2 = new JMenuItem("Chameleon-2");
		JbPrformO3 = new JMenuItem("Chameleon-3");
		JbPrformO4 = new JMenuItem("Chameleon-4");

		formC = new JMenu("Start JB Print Form (Chameleon - BLACMM1)");

		JbPrformC1 = new JMenuItem("Chameleon-1");
		JbPrformC2 = new JMenuItem("Chameleon-2");
		JbPrformC3 = new JMenuItem("Chameleon-3");
		JbPrformC4 = new JMenuItem("Chameleon-4");

		JbPrformB1.addActionListener(this);JbPrformB2.addActionListener(this);JbPrformB3.addActionListener(this);
		JbPrformB4.addActionListener(this);JbPrformO1.addActionListener(this);JbPrformO2.addActionListener(this);
		JbPrformO3.addActionListener(this);JbPrformO4.addActionListener(this);JbPrformC1.addActionListener(this);
		JbPrformC2.addActionListener(this);JbPrformC3.addActionListener(this);JbPrformC4.addActionListener(this);

		formB.add(JbPrformB1);formB.add(JbPrformB2);formB.add(JbPrformB3);formB.add(JbPrformB4);
		formO.add(JbPrformO1);formO.add(JbPrformO2);formO.add(JbPrformO3);formO.add(JbPrformO4);
		formC.add(JbPrformC1);formC.add(JbPrformC2);formC.add(JbPrformC3);formC.add(JbPrformC4);

		formJ.add(formB);formJ.add(formO);formJ.add(formC);

		return formJ;
	}

	protected JMenu buildFormNMenu() {
		JMenu formN = new JMenu("NCR Forms");

		NCRform = new JMenuItem("Start NCR Query Form");
		N2TformI = new JMenuItem("Start Index to Java Table Form");
		N2TformN = new JMenuItem("Start NCR to Java Table Form");
		N2H = new JMenuItem("Run NCR DB To Html");

		NCRform.addActionListener(this);
		N2TformI.addActionListener(this);
		N2TformN.addActionListener(this);
		N2H.addActionListener(this);

		formN.add(NCRform);formN.add(N2TformI);formN.add(N2TformN);formN.add(N2H);

		return formN;
	}

	protected JMenu buildHelpMenu() {
		JMenu help = new JMenu("Help");
		about = new JMenuItem("About HEI...");

		about.addActionListener(this);
		help.add(about);
		return help;
	}

	public void selectNextWindow() {
		JInternalFrame[] frames = desktop.getAllFrames();

		for ( int i = 0; i < frames.length; i++ ) {
			if ( frames[i].isSelected() ) {
				try {
					int next = i + 1;
					while ( next != i && frames[next].isIcon() ) {
						next++;
					}
					if ( next == i ) {
						return;
					}
					frames[next].setSelected( true );
					frames[next].toFront();
					return;
				}
				catch( PropertyVetoException e ) {}
			}
		}
	}

	public void tileWindows() {
		JInternalFrame[] frames = desktop.getAllFrames();

		int frameCount = 0;

		for ( int i = 0; i < frames.length; i++ ) {
			if ( !frames[i].isIcon() ) {
				frameCount++;
			}
		}

		int row = (int)Math.sqrt( frameCount );
		int col = frameCount / row;
		int extra = frameCount % row;

		int width = desktop.getWidth() / col;
		int height = desktop.getHeight() / row;
		int r = 0;
		int c = 0;

		for ( int i = 0; i < frames.length; i++ ) {
			if ( !frames[i].isIcon() ) {
				try {
					frames[i].setMaximum( false );
					frames[i].reshape( c * width, r * height, width, height );
					r++;
					if ( r == row ) {
						r = 0;
						c++;
						if ( c == col - extra ) {
							row++;
							height = desktop.getHeight() / row;
						}
					}
				}
				catch( PropertyVetoException e ) {}
			}
		}
	}

	public void cascadeWindows() {
		JInternalFrame[] frames = desktop.getAllFrames();

		int x = 0;
		int y = 0;
		int width = desktop.getWidth() / 2;
		int height = desktop.getHeight() / 2;

		for ( int i = 0; i < frames.length; i++ ) {
			if ( !frames[i].isIcon() ) {
				try {
					frames[i].setMaximum( false );
					frames[i].reshape( x, y, width, height );

					x += frameDistance;
					y += frameDistance;
					if ( x + width > desktop.getWidth() )
						x = 0;
					if ( y + height > desktop.getHeight() )
						y = 0;
				}
				catch( PropertyVetoException e ) {}
			}
		}
	}

	public void createInternalFrame( Component c, String s ) {
		JInternalFrame frame = new JInternalFrame( "File View", true, true, true, true );

		frame.getContentPane().add( c );
		desktop.add( frame, DOCLAYER );

		frame.addVetoableChangeListener(this);
		int width = desktop.getWidth() / 2;
		int height = desktop.getHeight() / 2;
		frame.setBounds( 10, 10, 560, 600);
		//frame.reshape( nextFrameX, nextFrameY, width, height );
		frame.setOpaque( true );
		frame.setVisible(true);

		try {
			frame.setSelected( true );
		}
		catch( PropertyVetoException pve ) {}

		if ( frameDistance == 0 )
			frameDistance = frame.getHeight() / 5;

		nextFrameX += frameDistance;
		nextFrameY += frameDistance;
		if ( nextFrameX + width > desktop.getWidth() )
			nextFrameX = 0;
		if ( nextFrameY + height > desktop.getHeight() )
			nextFrameY = 0;
    }

	public Component createEditorPane( URL u ) {
		JEditorPane panel = new JEditorPane();
		panel.setEditable( false );

		try { panel.setPage( u ); }
		catch ( IOException io ) { panel.setText("Error: " + io ); }

		return new JScrollPane( panel );
	}

	public void vetoableChange( PropertyChangeEvent event ) throws PropertyVetoException {
		JInternalFrame frame = (JInternalFrame)event.getSource();
		String name = event.getPropertyName();
		Object value = event.getNewValue();

		if ( name.equals ( "closed" ) && value.equals ( Boolean.TRUE ) ) {
			int result = JOptionPane.showInternalConfirmDialog ( frame, "Do you really want to close?" );
			if ( result == JOptionPane.NO_OPTION || result == JOptionPane.CANCEL_OPTION ) {
				throw new PropertyVetoException ( "Closed canceled", event );
			}
		}
	}

	public void actionPerformed( ActionEvent evt ) {
		Object source = evt.getSource();

		if ( source == openItem ) {
			fc.addChoosableFileFilter( filter );
			int returnVal = fc.showOpenDialog( HEI_Desk_14.this );

			if ( returnVal == JFileChooser.APPROVE_OPTION ) {
				File file = fc.getSelectedFile();

				try {
					URL fileName = new URL( "file:///" + file.toString() );
					createInternalFrame( createEditorPane( fileName ), fileName.toString() );
				}
				catch (MalformedURLException m) {
					System.err.println("Malformed URL: " + file);
				}
			}
		}
		else if ( source == NCRform ) {
			JInternalFrame doc = new NCR_IF_Man20f ();
			desktop.add(doc, DOCLAYER);
			try {
				doc.setVisible(true);
				doc.setSelected(true);
			} catch (java.beans.PropertyVetoException e2) {}
		}
		else if ( source == JbPrformB1 ) {
			JInternalFrame doc = new JbPr_IF_14c ( "Beeper_HEISCO1@CHAMELEON-1" );
			desktop.add(doc, DOCLAYER);
			try {
				doc.setVisible(true);
				doc.setSelected(true);
			} catch (java.beans.PropertyVetoException e2) {}
		}
		else if ( source == JbPrformB2 ) {
			JInternalFrame doc = new JbPr_IF_14c ( "Beeper_HEISCO1@CHAMELEON-2" );
			desktop.add(doc, DOCLAYER);
			try {
				doc.setVisible(true);
				doc.setSelected(true);
			} catch (java.beans.PropertyVetoException e2) {}
		}
		else if ( source == JbPrformB3 ) {
			JInternalFrame doc = new JbPr_IF_14c ( "Beeper_HEISCO1@CHAMELEON-3" );
			desktop.add(doc, DOCLAYER);
			try {
				doc.setVisible(true);
				doc.setSelected(true);
			} catch (java.beans.PropertyVetoException e2) {}
		}
		else if ( source == JbPrformB4 ) {
			JInternalFrame doc = new JbPr_IF_14c ( "Beeper_HEISCO1@CHAMELEON-4" );
			desktop.add(doc, DOCLAYER);
			try {
				doc.setVisible(true);
				doc.setSelected(true);
			} catch (java.beans.PropertyVetoException e2) {}
		}
		else if ( source == JbPrformO1 ) {
			JInternalFrame doc = new JbPr_IF_14c ( "Office_MEATII@CHAMELEON-1" );
			desktop.add(doc, DOCLAYER);
			try {
				doc.setVisible(true);
				doc.setSelected(true);
			} catch (java.beans.PropertyVetoException e2) {}
		}
		else if ( source == JbPrformO2 ) {
			JInternalFrame doc = new JbPr_IF_14c ( "Office_MEATII@CHAMELEON-2" );
			desktop.add(doc, DOCLAYER);
			try {
				doc.setVisible(true);
				doc.setSelected(true);
			} catch (java.beans.PropertyVetoException e2) {}
		}
		else if ( source == JbPrformO3 ) {
			JInternalFrame doc = new JbPr_IF_14c ( "Office_MEATII@CHAMELEON-3" );
			desktop.add(doc, DOCLAYER);
			try {
				doc.setVisible(true);
				doc.setSelected(true);
			} catch (java.beans.PropertyVetoException e2) {}
		}
		else if ( source == JbPrformO4 ) {
			JInternalFrame doc = new JbPr_IF_14c ( "Office_MEATII@CHAMELEON-4" );
			desktop.add(doc, DOCLAYER);
			try {
				doc.setVisible(true);
				doc.setSelected(true);
			} catch (java.beans.PropertyVetoException e2) {}
		}
		else if ( source == JbPrformC1 ) {
			JInternalFrame doc = new JbPr_IF_14c ( "Chameleon_BLACMM1@CHAMELEON-1" );
			desktop.add(doc, DOCLAYER);
			try {
				doc.setVisible(true);
				doc.setSelected(true);
			} catch (java.beans.PropertyVetoException e2) {}
		}
		else if ( source == JbPrformC2 ) {
			JInternalFrame doc = new JbPr_IF_14c ( "Chameleon_BLACMM1@CHAMELEON-2" );
			desktop.add(doc, DOCLAYER);
			try {
				doc.setVisible(true);
				doc.setSelected(true);
			} catch (java.beans.PropertyVetoException e2) {}
		}
		else if ( source == JbPrformC3 ) {
			JInternalFrame doc = new JbPr_IF_14c ( "Chameleon_BLACMM1@CHAMELEON-3" );
			desktop.add(doc, DOCLAYER);
			try {
				doc.setVisible(true);
				doc.setSelected(true);
			} catch (java.beans.PropertyVetoException e2) {}
		}
		else if ( source == JbPrformC4 ) {
			JInternalFrame doc = new JbPr_IF_14c ( "Chameleon_BLACMM1@CHAMELEON-4" );
			desktop.add(doc, DOCLAYER);
			try {
				doc.setVisible(true);
				doc.setSelected(true);
			} catch (java.beans.PropertyVetoException e2) {}
		}
		else if ( source == N2TformI ) {
			JInternalFrame doc = new Ncr_DB2Tbl_12c ( "Index" );
			desktop.add(doc, DOCLAYER);
			try {
				doc.setVisible(true);
				doc.setSelected(true);
				//doc.setResizeable(true);
			} catch (java.beans.PropertyVetoException e2) {}
		}
		else if ( source == N2TformN ) {
			JInternalFrame doc = new Ncr_DB2Tbl_12c ( "NCR" );
			desktop.add(doc, DOCLAYER);
			try {
				doc.setVisible(true);
				doc.setSelected(true);
				//doc.setResizeable(true);
			} catch (java.beans.PropertyVetoException e2) {}
		}
		else if ( source == N2H ) {
			new Ncr2Htm_01();
		}
		else if ( source == openCal ) {
			JInternalFrame doc = new JCalendarFrame();
			desktop.add(doc, DOCLAYER);
			try {
				doc.setVisible(true);
				doc.setSelected(true);
			} catch (java.beans.PropertyVetoException e2) {}
		}
		else if ( source == openPP ) {
			JInternalFrame help = new PN_Page();
			desktop.add(help, DOCLAYER);
			try {
				help.setVisible(true);
				help.setSelected(true);
			} catch (java.beans.PropertyVetoException e2) {}
		}
		else if ( source == about ) { JOptionPane.showMessageDialog(this, ABOUTMSG); }
		else if ( source == exitItem ) { System.exit( 0 ); }
		else if ( source == nextItem ) { selectNextWindow(); }
		else if ( source == tileItem ) { tileWindows(); }
		else if ( source == cascadeItem ) { cascadeWindows(); }
		else if ( source == dragItem ) {
			desktop.putClientProperty( "JDesktopPane.dragMode", dragItem.isSelected() ? "outline" : null );
		}
	}

	public static void main( String args[] ) {
		HEI_Desk_14 app = new HEI_Desk_14();

		app.addWindowListener( new WindowAdapter() {
			public void windowClosing( WindowEvent e ) {
				System.exit( 0 );
			}
		});
	}
}