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


public class DataSetControls extends Panel {
  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);
  }

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

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

    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();

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

    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);

  }


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

  }

  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);
  }


  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");
      }
  }


};