import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import java.util.*;
/**
 * Test
 * 
 * enable user to test implementations of SetInterface
 * @author rpj
 * @version 12ix08
 */
public class Test extends JFrame {
 
    // instance variables
    private JTextArea input, otherinput;
    private JTextField output;
    private JLabel lab, otherlab, outputlab;
    private JButton create, removeRandom, remove, union;
    private SetInterface<String> testMe;
    public Test()
    {
        /* You will need to insert a line
        testMe = new SetImplementation<String>();
        where SetImplementation is a class implementing SetInterface
        */
        setSize(400,400);
        setTitle("testing set");
        setVisible(true);
        setDefaultCloseOperation(EXIT_ON_CLOSE);
        Container pane = getContentPane();
        lab = new JLabel("Input set");
        input = new JTextArea();
        input.setPreferredSize(new Dimension(300,100));
        input.setLineWrap(true);
        input.setWrapStyleWord(true);
        
        otherlab = new JLabel("Operand(s)");
        otherinput = new JTextArea();
        otherinput.setPreferredSize(new Dimension(300,100));
        otherinput.setLineWrap(true);
        otherinput.setWrapStyleWord(true);
        create = new JButton("create");
        
        create.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                Scanner sc = new Scanner(input.getText());
                sc.useDelimiter("\\s*[\\p{Punct}*\\s+]\\s*");
                while (sc.hasNext()) testMe.add(sc.next().toLowerCase());         
                input.setText("The set is {"+testMe.toString()+"}");
                output.setText("Set created");
              }
          });
          removeRandom = new JButton("remove random");
          removeRandom.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {              
                String result = "";
                try {
                    result = testMe.removeRandom();
                  }
                  catch (EmptySetException ese) {
                      result = "no can do";
                  }             
                input.setText("The set is {"+testMe.toString()+"}");
                otherinput.setText("");
                output.setText("result is "+result);
              }
          });
          remove = new JButton("remove ");
          remove.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {             
                String result = "";
                try {
                    result = testMe.remove(otherinput.getText());
                  }
                  catch (Exception ese) {
                      result = ese.toString();
                  }
                input.setText("The set is {"+testMe.toString()+"}");
                otherinput.setText("");
                output.setText("Result is "+result);
              }
          });
          union = new JButton("union ");
          union.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {               
                SetInterface<String> other = null;
                /* You will need to add a line
                   other= new SetImplementation<String>();
                */
                Scanner sc = new Scanner(otherinput.getText());
                sc.useDelimiter("\\s*[\\p{Punct}*\\s+]\\s*");
                while (sc.hasNext()) other.add(sc.next().toLowerCase());
                testMe.union(other);
                input.setText("The set is {"+testMe.toString()+"}");
                output.setText("union returns void");
                otherinput.setText("");
              }
          });
          outputlab = new JLabel("result");
          output = new JTextField();
          output.setPreferredSize(new Dimension(300,20));
          pane.setLayout(new FlowLayout());
          pane.add(lab);
          pane.add(input);
          pane.add(otherlab);
          pane.add(otherinput);
          pane.add(create);
          pane.add(removeRandom);
          pane.add(remove);
          pane.add(union);
          pane.add(outputlab);
          pane.add(output);
          validate();
        
    }

    /**
     * main
     * 
 
     */
    public static void main(String[] args) 
    {
        new Test();
    }
}