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

public class crimmins extends operator1DInt{


  JLabel iterLabel = new JLabel("Number of iterations");
  JTextField iterText = new JTextField("1",5);
  JButton applyButton = new JButton("Apply");
  Crimmins crimminsOp = new Crimmins();
  static int number=0;
  int iterations;
  String type = new String("Crimmins");

  public crimmins(){
  }

  public crimmins(JPanel panel, linkData links){
    ++number;
    setName(type+"_"+number);
    setParameters();
    setType(type);
    setBox(panel,links,1,1);
  }

  /**
   * Returns a String representing all the parameters for this operator
   * for the purpose of saving the system setup (and being able to load
   * it again at a future date).
   */
  public String saveParameters(){
    String saveData = new String();
    
    //Add any parameters to the string
    saveData = iterText.getText();    
    return saveData;
  }
  
    /**
   * Loads the required parameters (number of iterations)
   * from the input stream, so the operator can be recreated in an 
   * identical state to when it was saved.
   * @param tokenizer the input stream split into tokens
   * @throws IOException if error occurs during token retrieval
   */
  public void loadParameters(StreamTokenizer tokenizer) throws IOException{
    int tokenType;
    tokenType = tokenizer.nextToken();
    int value = (int) tokenizer.nval;
    iterText.setText((new Integer(value)).toString());
    parameters.pack();
    parameters.setVisible(false);
  }

  void setParameters(){
    /**
     *This function is used to set up the parameters window. This window
     *should contain enough parameters to be able to run the operator
     *although parameters like scaling and offset are not required as there
     *is an operator already defined to do this. The interface components
     *should be added to the parameters frame. In this example a single panel
     *is created which is used to hold a label saying there are no paramters.
     *In general this will not be true of most operators.
     */
    parameters = new JFrame(name);
    panel = new JPanel();
    panel.add(iterLabel);
    panel.add(iterText);
    panel.add(applyButton);
    
    applyButton.addActionListener(new ActionListener(){
      public void actionPerformed(ActionEvent e){
	go();
      }});

    parameters.getContentPane().add(panel);
    parameters.pack();
    parameters.setVisible(false);
  }

  public void go(){
    
    System.out.println(name);
    try {
           iterations = new Integer(iterText.getText()).intValue();
    }
    catch(NumberFormatException e){
      JOptionPane.showMessageDialog(null,("Invalid Number of iterations Specified"),("Error!"), JOptionPane.WARNING_MESSAGE);
      iterations = 1;
      iterText.setText("1");
    }
    if (iterations <= 0) {
      JOptionPane.showMessageDialog(null,("Invalid Number of iterations Specified"),("Error!"), JOptionPane.WARNING_MESSAGE);
      iterations = 1;
      iterText.setText("1");
    }
          
    // see if inputs ready    
    if(getInput1()!=null){
System.out.println("Input Width 1 "+getInput1().getWidth());

      output1 = new image1DInt(input1.getWidth(),input1.getHeight(),crimminsOp.crimmins_trans(input1.getValues(),input1.getWidth(),input1.getHeight(),iterations));

System.out.println("Output width "+getOutput1().getWidth());
     
      propagate();
    }//ready
  }//go
}