import java.awt.*;
import java.applet.*;
import java.io.*;
import java.net.*;
import java.util.*;


public class DataSetControls extends Panel {
//  GridBagLayout gbl;
//  GridBagConstraints gbc;  

  //PetaSIM tester;
  Choice myChoice;

  Panel      tabs;
  Panel      dataPanel;
  CardLayout dataCards;
  Panel      dataCardPanels[];
  Button     nextButtons[];
  Button     prevButtons[];
  GridBagLayout      gbl;
  GridBagConstraints gbc;

  Panel dataInterfacePanel;

  DataSetInterfaces datasetInt[];
  int numDatas;


  private void add(Component c, GridBagLayout gbl,
		   GridBagConstraints gbc, 
		   int x, int y, int w, int h) {
    gbc.gridx = x;
    gbc.gridy = y;
    gbc.gridwidth = w;
    gbc.gridheight = h;
    gbl.setConstraints(c,gbc);
    add(c);
  }

  
  public void paint(Graphics g) {
    Dimension d = size();
    Insets in = insets();

    Font f = new Font("TimesRoman", Font.BOLD, 14);
    FontMetrics fm =  g.getFontMetrics(f);
    String s = "DATA SET";
    g.setFont(f);
    //g.drawString(s, d.width/4+58, d.height/4-60);

    g.drawRect(0, 0, d.width-1, d.height-1);

  }
  

  public DataSetControls() //(PetaSIM tester)

  //public void init()
  {
    //this.tester = tester;
    int i;
    String name;

    Panel dataNextPrevPanel = new Panel();
    dataInterfacePanel = new Panel();
    dataCards = new CardLayout();
    dataInterfacePanel.setLayout(dataCards);


    numDatas = 50;
    dataCardPanels = new Panel[numDatas];
    datasetInt = new DataSetInterfaces[numDatas];


    //This loop creates the 8 panels.
    for(i=0; i<numDatas; i++) {
      dataCardPanels[i]  = new Panel();

      datasetInt[i] = new DataSetInterfaces(this,i);
      dataCardPanels[i].add(datasetInt[i]);
add(dataCardPanels[i]);
/*
      dataInterfacePanel.add(dataCardPanels[i]);
*/

      name = "Data " + i;

      //dataCardPanel[i].add(datasetInt[i]);
      //add("Center",datasetInt[i]);
      //add("Center",dataPanel[i]);
      dataInterfacePanel.add(name, dataCardPanels[i]);
    }

    //dataCards.show(this, "Data 0");
    dataCards.show(dataInterfacePanel, "Data 0");

    dataNextPrevPanel.add(new Button("Previous Data<"));
    dataNextPrevPanel.add(new Button(">Next Data"));
  
    setLayout(new BorderLayout());
    add("North",dataNextPrevPanel);
    add("Center", dataInterfacePanel);

  }


  public Insets insets() {
    return new Insets(5,5,5,5);
  }

  public boolean action(Event evt, Object obj) {
    if(evt.target instanceof Button) {
      if(obj.equals(">Next Data"))
        dataCards.next(dataInterfacePanel);
      else if(obj.equals("Previous Data<"))
        dataCards.previous(dataInterfacePanel);
    }
    validate();
    return true;
  }

  
  public void setExample(String str) {
    int count, i;
    
    clearAll();
    
/*
    String s;
    StringTokenizer t = new StringTokenizer(str, " ");
    s = t.nextToken();
    dataNameTxt.setText(s);
    s = t.nextToken();
    //System.out.println(">>  :" + s);
    typeChoice.select(s);
    s = t.nextToken();
    totalSizeTxt.setText(s);
    s = t.nextToken();
    bytesUnitTxt.setText(s);
    s = t.nextToken();
    floatsUnitTxt.setText(s);
    s = t.nextToken();
    operationUnitTxt.setText(s);
*/

    StringTokenizer line, t ;

    String sline, s, tmp="", chc, cnt ;
    line = new StringTokenizer(str, "<") ;
    sline = line.nextToken() ;

    i = 0 ;
    while (!sline.equals("?")) {
	
	if (i == numDatas-1) {
	   DataSetInterfaces data_tmp[] ;

	   numDatas += 10 ;
	   data_tmp = new DataSetInterfaces[numDatas] ;
	   for (int j = 0; j<numDatas-10; j++)
		data_tmp[j] = datasetInt[j] ;
	   datasetInt = data_tmp ;
	}

	t = new StringTokenizer(sline, " ") ;
	s = t.nextToken() ;
	datasetInt[i].dataNameTxt.setText(s);
	s = t.nextToken() ;
	datasetInt[i].typeChoice.select(s);
	s = t.nextToken() ;
	datasetInt[i].totalSizeTxt.setText(s);
	s = t.nextToken() ;
	datasetInt[i].bytesUnitTxt.setText(s);
	s = t.nextToken() ;
	datasetInt[i].floatsUnitTxt.setText(s);
	s = t.nextToken() ;
	datasetInt[i].operationUnitTxt.setText(s);

	i++ ;
	
	sline = line.nextToken() ;
	if (sline.equals(" "))
	    sline = line.nextToken() ;
    }

  }

/*
  public void setExample() {
    remove(typeChoice);
    dataNameTxt.setText("Jacobi");
    typeChoice.select("grid2dim");
    totalSizeTxt.setText("1000000");
    bytesUnitTxt.setText("4");
    floatsUnitTxt.setText("4");
    operationUnitTxt.setText("10");

  }
*/


  public void clearAll() {
/*
    dataNameTxt.setText("");
    typeChoice.select("grid1dim");
    totalSizeTxt.setText("");
    bytesUnitTxt.setText("");
    floatsUnitTxt.setText("");
    operationUnitTxt.setText("");
    add(typeChoice, gbl, gbc, 2, 2, 1, 1);
*/
    gbl = new GridBagLayout();
    gbc = new GridBagConstraints();
    int i;

    for(i=0; i<numDatas; i++) {
      //remove(datasetInt[i].dataTypeChoice);
      datasetInt[i].dataNameTxt.setText("");
      datasetInt[i].typeChoice.select("grid1dim");
      datasetInt[i].totalSizeTxt.setText("");
      datasetInt[i].bytesUnitTxt.setText("");
      datasetInt[i].floatsUnitTxt.setText("");
      datasetInt[i].operationUnitTxt.setText("");
    }
    dataCards.show(dataInterfacePanel, "Data 0");

  }


  public void sendInputToServer(DataOutputStream os) {
/*
      try {
	os.writeBytes("dataset.ini");
	os.writeByte('\n');	
	os.writeBytes(dataNameTxt.getText()+" ");
	os.writeBytes(typeChoice.getSelectedItem()+" ");
	os.writeBytes(totalSizeTxt.getText()+" ");
	os.writeBytes(bytesUnitTxt.getText()+" ");
	os.writeBytes(floatsUnitTxt.getText()+" ");
	os.writeBytes(operationUnitTxt.getText());
	os.writeByte('\n');
	os.writeBytes("end");
	os.writeByte('\n');
      }
      catch (IOException e) {
	System.err.println("I/O failed on the connection to: taranis");
      }
*/

    String lNameTxt;
    int i;
    try {
      lNameTxt = datasetInt[0].dataNameTxt.getText();
      i = 0;
      os.writeBytes("dataset.ini");
      os.writeByte('\n');
      while ( !lNameTxt.equals("") && (i < numDatas) ) {
        os.writeBytes(lNameTxt+" ");
        os.writeBytes(datasetInt[i].typeChoice.getSelectedItem()+" ");
	os.writeBytes(datasetInt[i].totalSizeTxt.getText()+" ");
	os.writeBytes(datasetInt[i].bytesUnitTxt.getText()+" ");
	os.writeBytes(datasetInt[i].floatsUnitTxt.getText()+" ");
	os.writeBytes(datasetInt[i].operationUnitTxt.getText());
        os.writeByte('\n');

//        os.writeByte('\n');
        if(++i < numDatas) {
          lNameTxt = datasetInt[i].dataNameTxt.getText();
        }
      }
      os.writeBytes("end");
      os.writeByte('\n');
    }
    catch (IOException e) {
      System.err.println("I/O failed on the connection to: taranis");
    }

  }


};

//////////////////////////////////////////////////////////////////

class DataSetInterfaces extends Panel {
  DataSetControls outerparent ;

  GridBagLayout gbl ;
  GridBagConstraints gbc ;

  Label dataLabel;
  Label dataNameLabel;   TextField dataNameTxt;
  Label dataTypeLabel;   Choice typeChoice;
  Label totalSizeLabel;  TextField totalSizeTxt; Choice sizeChoice;
  Label bytesUnitLabel;  TextField bytesUnitTxt;
  Label floatsUnitLabel; TextField floatsUnitTxt;
  Label operationUnitLabel;  TextField operationUnitTxt;
  

  private void add(Component c, GridBagLayout gbl,
                   GridBagConstraints gbc,
                   int x, int y, int w, int h) {
    gbc.gridx = x;
    gbc.gridy = y;
    gbc.gridwidth = w;
    gbc.gridheight = h;
    gbl.setConstraints(c,gbc);
    add(c);
  }

  DataSetInterfaces(DataSetControls target, int dataNum) {
    this.outerparent = target ;

    gbl = new GridBagLayout();
    setLayout(gbl);
    
//    dataLabel = new Label("DATA SET",Label.CENTER);
    dataLabel = new Label("DATA SET "+dataNum, Label.CENTER);
    //dataLabel.setBackground(Color.yellow);
    dataLabel.setForeground(Color.blue);

    dataNameLabel = new Label("Name :",Label.RIGHT);
    dataNameTxt = new TextField(16);

    dataTypeLabel = new Label("Type :",Label.RIGHT);

    typeChoice = new Choice();
    typeChoice.addItem("grid1dim");
    typeChoice.addItem("grid2dim");
    typeChoice.addItem("grid3dim");

    sizeChoice = new Choice();
    //add("Center", myChoice);
    //nodeLabel.setText("Type");
    sizeChoice.addItem("KByte");
    sizeChoice.addItem("MByte");
    sizeChoice.addItem("GByte");

    totalSizeLabel = new Label("Total Size :",Label.RIGHT);
    totalSizeTxt = new TextField(16);

    bytesUnitLabel = new Label("Bytes/Unit :",Label.RIGHT);
    bytesUnitTxt = new TextField(16);

    floatsUnitLabel = new Label("Floats/Unit :",Label.RIGHT);
    floatsUnitTxt = new TextField(5);

    operationUnitLabel = new Label("Operation/Unit :",Label.RIGHT);
    operationUnitTxt = new TextField(5);

    Label blankLabel = new Label(" ");     

    gbc = new GridBagConstraints();
    gbc.fill = GridBagConstraints.HORIZONTAL;
    gbc.weightx = 20;
    gbc.weighty = 100;
    gbc.ipadx = 1;
    gbc.ipady = 1;
    
    //gbc.anchor = GridBagConstraints.SOUTH;
    add(dataLabel,       gbl, gbc, 1, 0, 2, 1);
    //add(blankLabel,      gbl, gbc, 0, 0, 1, 1);

    add(dataNameLabel,   gbl, gbc, 1, 1, 1, 1);
    add(dataNameTxt,      gbl, gbc, 2, 1, 1, 1);
    //add(dataLabel);

    add(dataTypeLabel,   gbl, gbc, 1, 2, 1, 1);
    add(typeChoice,      gbl, gbc, 2, 2, 1, 1);
    //add(blankLabel,      gbl, gbc, 2, 1, 2, 1);

    add(totalSizeLabel,  gbl, gbc, 1, 3, 1, 1);
    add(totalSizeTxt,    gbl, gbc, 2, 3, 1, 1);
    //add(sizeChoice,      gbl, gbc, 3, 3, 1, 1);
    
    add(bytesUnitLabel,  gbl, gbc, 1, 4, 1, 1);
    add(bytesUnitTxt,    gbl, gbc, 2, 4, 1, 1);
   
    add(floatsUnitLabel, gbl, gbc, 1, 5, 1, 1);
    add(floatsUnitTxt,   gbl, gbc, 2, 5, 1, 1);

    add(operationUnitLabel, gbl, gbc, 1, 6, 1, 1);
    add(operationUnitTxt,   gbl, gbc, 2, 6, 1, 1);

  }

}