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

public class desktop extends JFrame {
  /* copyright Tomasz Haupt 1999 */


public JDesktopPane desk;
private IconPolice iconPolice = new IconPolice();

  /* configuration */

public String selectedServer;
private final int MASTER = 1;
private final int WEBSERVER = 2;
private final int WEBFLOWSERVER = 3;
private final int AAD =4;
private final int GATEWAY =5;

public int n = 6;     //# parameters in MasterServerPanel
private String Display, ConfFile,IorFile,MyClassPath,servletURL,HashTableFile;

public int n_WS = 5;  //# parameters in WebServerPanel
public String WS_host, WS_port, WS_docroot, WS_classes, WS_servlets;

public int n_WF = 6;  //#parameters in WebFlowServer
public String RootHost, IORdir, IORfile, IORfileURL, WFconfDir, confFile;

public int n_AAD = 3; //#parameters of AAD
public String AADroot, AADdtd, AADxml;

private String[] conf;

  /* end of configuration */ 

  /* WebFlow server */

  public desktop(String title) {

    /* create deskop, add menu bar and read configuration files */

    desk = new JDesktopPane();
    setContentPane(desk);
    desk.setDesktopManager(new DesktopMgr());
    loadBackgroundImage();
    createMenuBar();

    /* if default server is defined read its configuration files */

   String dFileName = "defaultServer.txt";
   File dServer = new File(dFileName);
   if(dServer.exists()) {
     try {
        FileReader fr = new FileReader(dServer);
        BufferedReader in = new BufferedReader(fr);
        selectedServer = in.readLine();
        in.close();
     }
     catch (Exception e) {System.out.println(e+" while reading "+dFileName);}
     readConfigFile(selectedServer+".conf",n,MASTER); 
     readConfigFile(selectedServer+"WS.conf",n_WS,WEBSERVER); 
     readConfigFile(selectedServer+"WF.conf",n_WF,WEBFLOWSERVER); 
     readConfigFile(selectedServer+"AAD.conf",n_AAD,AAD); 
   }
  }

  protected void createMenuBar(){

       /* menus
      menu name        menu options          menu listener
      ===============================================================
      File             Exit                  fmbListener 
      ---------------------------------------------------------------
      Server           Select Server         cfgListener 
                       Configure Server    
                       Status (start/stop)
                       Connection
      ---------------------------------------------------------------
      Update           Update All            moduleListener
                       Update module
      ---------------------------------------------------------------
      Test             File Browser          testListener
                       Submit Job
      ---------------------------------------------------------------
      Applications     Adcirc                applListener
      ---------------------------------------------------------------
      Help             Help                  helpListener
      ----------------------------------------------------------------

    /* action listener for File menu */
    ActionListener fmbListener = new ActionListener() {
      public void actionPerformed(ActionEvent e) {
         System.exit(0);
      }
    };

    ActionListener cfgListener = new ActionListener() {
      public void actionPerformed(ActionEvent e) {
         String what = e.getActionCommand();
         if(what.equals("Select Server")) {
           getSelectedServer(); 
         } 
         if(what.equals("Configure Server")) {
           getServerConfig();
         } 
         if(what.equals("Status")) {
            TestServer();
	 }
         if(what.equals("Connection")) {
            Connect();
	 }
      }
    };

    ActionListener moduleListener = new ActionListener() {
      public void actionPerformed(ActionEvent e) {
         String what = e.getActionCommand();
	 getModule(what);     /* what = All or selected package */
      }
    };

    /* to be included in next releases
    ActionListener xmlListener = new ActionListener() {
      public void actionPerformed(ActionEvent e) {
         String what = e.getActionCommand();
           xmlFrame(what); 
      }
    };
    ActionListener applListener = new ActionListener() {
      public void actionPerformed(ActionEvent e) {
         String what = e.getActionCommand();
         if(what.equals("Test"))runApplication(); 
         if(what.equals("View"))runWebBrowser(); 
      }
    };
    */

    ActionListener testListener = new ActionListener() {
      public void actionPerformed(ActionEvent e) {
         String what = e.getActionCommand();
         if(what.equals("File Browser")) runFileBrowser(); 
         if(what.equals("Submit Job"))   runSubmitJob(); 
      }
    };
    
    ActionListener applListener = new ActionListener() {
      public void actionPerformed(ActionEvent e) {
         String what = e.getActionCommand();
         if(what.equals("Adcirc")) runAdcirc(); 
      }
    };

    ActionListener crpcListener = new ActionListener() {
	public void actionPerformed(ActionEvent e) {
	    String what = e.getActionCommand() ;
	    if (what.equals("CRPC Portal")) runCrpc() ;
	}
    } ;
    
    ActionListener helpListener = new ActionListener() {
      public void actionPerformed(ActionEvent e) {
         String what = e.getActionCommand();
         runWebBrowser(what); 
      }
    };
    


    JMenuBar mb = new JMenuBar();

    JMenu FileMenu = new JMenu("File");
    JMenuItem exitItem = new JMenuItem("Exit");
    exitItem.addActionListener(fmbListener);     
    FileMenu.add(exitItem);

    JMenu ServerMenu = new JMenu("Server");
    JMenuItem selectItem = new JMenuItem("Select Server");
    JMenuItem cfgItem = new JMenuItem("Configure Server");
    JMenuItem statusItem = new JMenuItem("Status");
    JMenuItem troubleItem = new JMenuItem("Connection");
    selectItem.addActionListener(cfgListener);     
    cfgItem.addActionListener(cfgListener);     
    statusItem.addActionListener(cfgListener);     
    troubleItem.addActionListener(cfgListener);     
    ServerMenu.add(selectItem);
    ServerMenu.add(cfgItem);
    ServerMenu.add(statusItem);
    ServerMenu.add(troubleItem);

    JMenu UpdateMenu = new JMenu("Update");
    JMenuItem updateAllItem = new JMenuItem("All");
    updateAllItem.addActionListener(moduleListener);     
    UpdateMenu.add(updateAllItem);
    /* add modules from the configuration file here */

    JMenu TestMenu = new JMenu("Test");
    JMenuItem fbItem = new JMenuItem("File Browser");
    JMenuItem sjItem = new JMenuItem("Submit Job");
    fbItem.addActionListener(testListener);     
    sjItem.addActionListener(testListener);     
    TestMenu.add(fbItem);
    TestMenu.add(sjItem);

    JMenu ApplMenu = new JMenu("Applications");
    JMenuItem adcircItem = new JMenuItem("Adcirc");
    adcircItem.addActionListener(applListener);     
    ApplMenu.add(adcircItem);

    JMenuItem crpcItem = new JMenuItem("CRPC Portal") ;
    crpcItem.addActionListener(crpcListener) ;
    ApplMenu.add(crpcItem) ;

    JMenu HelpMenu = new JMenu("Help");
    JMenuItem helpItem1 = new JMenuItem("index");
    JMenuItem helpItem2 = new JMenuItem("server");
    JMenuItem helpItem3 = new JMenuItem("update");
    JMenuItem helpItem4 = new JMenuItem("applications");
    JMenuItem helpItem5 = new JMenuItem("credentials");
    helpItem1.addActionListener(helpListener);     
    helpItem2.addActionListener(helpListener);     
    helpItem3.addActionListener(helpListener);     
    helpItem4.addActionListener(helpListener);     
    helpItem5.addActionListener(helpListener);     
    HelpMenu.add(helpItem1);
    HelpMenu.add(helpItem2);
    HelpMenu.add(helpItem3);
    HelpMenu.add(helpItem4);
    HelpMenu.add(helpItem5);

    /* to be added in the next release
    JMenu XMLmenu = new JMenu("XML");
    JMenuItem aadItem = new JMenuItem("AAD"); 
    aadItem.addActionListener(xmlListener); 
    XMLmenu.add(aadItem);
    */

    setJMenuBar(mb);
    mb.add(FileMenu);
    mb.add(ServerMenu);
    mb.add(UpdateMenu);
    mb.add(TestMenu);
    mb.add(ApplMenu);
    mb.add(HelpMenu);
    /*mb.add(XMLmenu);*/
  }

  protected void loadBackgroundImage() {
  ImageIcon icon = new ImageIcon("planet.jpg");
  JLabel l = new JLabel(icon);
  l.setBounds(0,0,icon.getIconWidth(),icon.getIconHeight());
  desk.add(l, new Integer(Integer.MIN_VALUE));
  }

  class AddFrameAction extends AbstractAction {
    public AddFrameAction(String name, String menuitem, Integer layer) {
    super(menuitem);
    this.name = name;
    this.layer= layer; 
    }

    public void actionPerformed(ActionEvent ev) {
          JInternalFrame f = new JInternalFrame(name, true, true, true, true);
          f.addVetoableChangeListener(iconPolice);
          f.setBounds(0,0,200,300);
          desk.add(f,layer);
    }

    private Integer layer;
    private String name;
  }

  class IconPolice implements VetoableChangeListener {
    public void vetoableChange(PropertyChangeEvent ev)
    throws PropertyVetoException {     
    
    String name = ev.getPropertyName();
    if(name.equals(JInternalFrame.IS_ICON_PROPERTY) &&
       (ev.getNewValue() == Boolean.TRUE)) {
      JInternalFrame[] frames = desk.getAllFrames();
      int count = frames.length;
      int nonicons = 0;
      for (int i=0; i<count; i++) {
        if(frames[i].isIcon() == false) {
           nonicons++;
	}
      }
      if (nonicons <= 1) {
        throw new PropertyVetoException("Invalid Iconification!", ev);
      }
    }
    }
  }               

  public void setSelectedServer(String s) {
    selectedServer = s;
    System.out.println("selectedServer: "+selectedServer);
  }

  public void getSelectedServer() {
    selectServer ss = new selectServer(this);
    ss.setBounds(0,0,200,200);
    desk.add(ss, new Integer(0)); 
  }

  public void setServerConfig(String[] s) {
   Display = s[0];
   ConfFile = s[1];
   IorFile = s[2];
   MyClassPath = s[3];
   servletURL = s[4];
   HashTableFile = s[5]; 
  }

  public void setWSConfig(String[] s) {
   WS_host = s[0];
   WS_port = s[1];
   WS_docroot = s[2];
   WS_classes = s[3];
   WS_servlets = s[4];
  }

  public void setWFConfig(String[] s) {
   RootHost = s[0];
   IORdir = s[1];
   IORfile = s[2];
   IORfileURL = s[3];
   WFconfDir = s[4];
   confFile = s[5];
   System.out.println(IORfileURL);
  }

  public void setAADConfig(String[] s) {
    AADroot = s[0];
    AADdtd = s[1];
    AADxml = s[2];
  }  

  public void getServerConfig() {
    ServerConfig sc = new ServerConfig(this);
    sc.setBounds(0,0,700,300);
    desk.add(sc, new Integer(0)); 
  }

  public void TestServer() {
    adminappl2 aa2 = new adminappl2(Display,ConfFile,IorFile,MyClassPath,
                                     servletURL,HashTableFile);
    aa2.setBounds(0,0,600,200);
    desk.add(aa2, new Integer(0)); 
  }

  public void Connect() {
    Connection con = new Connection(this);
    con.setBounds(0,0,600,500);
    desk.add(con, new Integer(0)); 
  }

  public void readConfigFile(String FileName,int n, int what){ 
    File ConfFile = new File(FileName);  
    if(ConfFile.exists()) {
       conf = new String[n];
         try {
           FileReader fr = new FileReader(FileName);
           BufferedReader in = new BufferedReader(fr);
           String nextline = in.readLine();
           in.close();
           StringTokenizer st = new StringTokenizer(nextline,"+");

           for(int i=0; i<n; i++) {
           conf[i] = st.nextToken();
         }
      
         if(what == 1) setServerConfig(conf);
         if(what == 2) setWSConfig(conf);
         if(what == 3) setWFConfig(conf);
         if(what == 4) setAADConfig(conf);
	 }
       catch (Exception e) {System.out.println(e);}      
    }
  }

  public void getModule(String moduleName) {
    LoadModule lm = new LoadModule(this);
    lm.setBounds(0,0,600,300);
    desk.add(lm, new Integer(0)); 
  }

  public void runApplication() {
    RunAppl ra = new RunAppl(this);
    ra.setBounds(0,0,600,400);
    desk.add(ra, new Integer(0)); 
  }

  public void runWebBrowser(String what) {
    String url = "http://www.npac.syr.edu/users/haupt/WebFlow/Help/";
    url += what + ".html";
    help wb = new help(url);
    wb.setBounds(0,0,750,500);
    desk.add(wb, new Integer(0)); 
  }

  public void xmlFrame(String what) {
    AADframe aad = new AADframe(this);
    aad.setBounds(0,0,600,500);
    desk.add(aad, new Integer(0)); 
  }

  public void runFileBrowser() {
    FBro3 FB = new FBro3(this);
    FB.setBounds(0,0,500,500);
    desk.add(FB, new Integer(0)); 
  }

  public void runSubmitJob() {
  }

  public void runAdcirc() {
    AdcircFrame1 adcirc = new AdcircFrame1(this);
    adcirc.setBounds(0,0,800,450);
    desk.add(adcirc, new Integer(0));
  }

  public void runCrpc() {
    CrpcFrame crpc = new CrpcFrame(this);
    crpc.setBounds(0,0,800,450);
    desk.add(crpc, new Integer(0));
  } 

  public static void main(String[] args) {
    desktop td = new desktop("My desktop");
    td.setSize(800,700);
    td.setVisible(true);
  }

}