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


public class DistribControls extends Panel {
  GridBagLayout gbl;
  GridBagConstraints gbc;  
  Label distLabel;
  Label distNameLabel; TextField distNameTxt;
  Label distTypeLabel;  Choice typeChoice;   


  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 = "DISTRIBUTION";
    g.setFont(f);
    //g.drawString(s, d.width/4+50, d.height/4-40);

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

  }
  

  public DistribControls() {

    gbl = new GridBagLayout();
    setLayout(gbl);
    
    distLabel = new Label("DISTRIBUTION",Label.CENTER);
    //distLabel.setBackground(Color.yellow);
    distLabel.setForeground(Color.blue);

    distNameLabel = new Label("Name :",Label.RIGHT);
    distNameTxt = new TextField();

    distTypeLabel = new Label("Type :",Label.RIGHT);
    typeChoice = new Choice();
    typeChoice.addItem("Block1dim");
    typeChoice.addItem("Block2dim");
    typeChoice.addItem("Block3dim");
    
    Label blankLabel = new Label(" ");


    gbc = new GridBagConstraints();
    gbc.weightx = 1;
    gbc.weighty = 100;
    gbc.fill = GridBagConstraints.HORIZONTAL;
    //gbc.anchor = GridBagConstraints.WEST;
    add(distLabel,       gbl, gbc, 0, 0, 4, 1);

    add(distNameLabel,   gbl, gbc, 0, 1, 1, 1);
    add(distNameTxt,     gbl, gbc, 1, 1, 1, 1);

    add(distTypeLabel,   gbl, gbc, 0, 2, 1, 1);
    add(typeChoice,      gbl, gbc, 1, 2, 1, 1);

    add(blankLabel,      gbl, gbc, 2, 2, 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();
    distNameTxt.setText(s);
    s = t.nextToken();
    //System.out.println(">>  :" + s);
    typeChoice.select(s);

  }


  public void clearAll() {
    remove(typeChoice);
    distNameTxt.setText("");
    typeChoice.select("Block1dim");
    add(typeChoice, gbl, gbc, 1, 2, 1, 1);
  }

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

};