package jsmith.TextAns5;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.applet.*;
import java.util.*;


public class TextAnswerApplet extends Applet implements ActionListener{


JScrollPane scrollPane = null;
JTextArea textArea = null;
JButton submitButton = null;
int attemptNumber;
JTextArea[] hintText = new JTextArea[5];
JTextArea answerTextArea = null;
Vector[] compareOrSubVectors = new Vector[20];
Vector compareOrVector = new Vector();
Vector hintVector = new Vector();

public void init(){

    textArea = new JTextArea();
    textArea.setLineWrap(true);
    hintVector = new Vector();
    scrollPane = new JScrollPane(textArea);
    submitButton = new JButton("Submit Answer");
    submitButton.addActionListener(this);
    this.setLayout(new BorderLayout());
    this.add(scrollPane, "Center");
    this.add(submitButton, "South");
    attemptNumber = 0;


    answerTextArea = new JTextArea(

        "Answer 1: The claim that the current caused the fire wouldn't \n" +
        "strictly be \"wrong\" because that current started the chain \n" +
        "of events that led to the fire.  But the current ALONE would \n" +
        "not have caused the fire. \n\n" +

        "Answer 2: The current caused the spark and the spark caused \n " +
        "the fire under the conditions that existed in the cabin.  So \n " +
        "the current did cause the fire.\n\n" + 

        "Answer 3: The spark was one of the causal factors that collectively \n " +
        "were responsible for the fire. The spark was the result of electrical\n " +
        "current in a faulty wire.  So, in this sense the current was A CAUSE \n " +
        "of the fire."
    

    );


    for(int j = 0; j < 20; ++j){
        compareOrSubVectors[j] = new Vector();
    }

    compareOrVector = new Vector();

    compareOrSubVectors[0].add(new String("spark"));
    compareOrSubVectors[0].add(new String("cause"));
    compareOrSubVectors[0].add(new String("caused"));
    compareOrSubVectors[0].add(new String("causal"));
    compareOrSubVectors[0].add(new String("factor"));
    compareOrSubVectors[0].add(new String("current"));
    compareOrSubVectors[0].add(new String("faulty"));
    compareOrSubVectors[0].add(new String("wire"));
    compareOrSubVectors[0].add(new String("wiring"));



    compareOrVector.add(compareOrSubVectors[0]);
//    compareOrVector.add(compareOrSubVectors[1]);


    hintText[0] = new JTextArea(

        "You answers must be in grammatically complete\n" +
        "sentences. Note: Electrical current is what produces \n" +
        "a spark when there is a gap in wiring and the voltage \n" +
        "producing the current is high enough. \n"


    );

    hintVector.addElement(hintText[0]);

    hintText[1] = new JTextArea(

        "Make sure to identify in complete sentences whether\n" +
        "or not the current was an event that PLAYED A ROLE\n" +
        "in the fire. Remember that we have been identifying \n" +
        "something as a \"causal factor\" even it is just one of \n" +
        "of the things that had to happen for the effect to happen.\n\n"

    );

    hintVector.addElement(hintText[1]);


    hintText[2] = new JTextArea(

        "Here is a good answer. Type it in.\n\n" +
        "The current caused the spark and the spark caused \n " +
        "the fire under the conditions that existed in the cabin.  So \n " +
        "the current did cause the fire.\n\n"  

    );

    hintVector.addElement(hintText[2]);

    hintText[3] = new JTextArea(

        "Here is a good answer. Type it in.\n\n" +
        "The current caused the spark and the spark caused \n " +
        "the fire under the conditions that existed in the cabin.  So \n " +
        "the current did cause the fire.\n\n"  

    );

    hintVector.addElement(hintText[3]);

    hintText[4] = new JTextArea(

        "Here is a good answer. Type it in.\n\n" +
        "The current caused the spark and the spark caused \n " +
        "the fire under the conditions that existed in the cabin.  So \n " +
        "the current did cause the fire.\n\n"  
    );

    hintVector.addElement(hintText[4]);


}


public void actionPerformed(ActionEvent evt){


    boolean periodFlag = false;
    boolean[] acceptableOrAnswerFlag = new boolean[20];
    boolean acceptableAndAnswerFlag = true;


    attemptNumber = attemptNumber + 1;

    for(int j = 0; j < 20; ++j){
        acceptableOrAnswerFlag[j] = false;
    }

    String studentAnswerString = new String(textArea.getText()) + " ";

    Vector answerWords = new Vector();
    String holdString = new String();
    Character holdChar;
    holdString = new String("");



    int i = 0;


    while(i < studentAnswerString.length()){


        while(studentAnswerString.charAt(i) != ' ' &&

            studentAnswerString.charAt(i) != '.'){

            holdChar = new Character(studentAnswerString.charAt(i));
            holdString = holdString + holdChar.toString();

            i = i + 1;

        }
 
        answerWords.addElement(holdString);
        holdString = new String();

        if(studentAnswerString.charAt(i) == '.'){
            periodFlag = true;
        }
        i = i + 1;

    }

  //  System.out.println("words in answer:\n" + answerWords);
  //  System.out.println("compare with:\n" + compareOrVector);



    for (int j = 0; j < compareOrVector.size(); ++j){

        for(int k = 0; k < compareOrSubVectors[j].size(); ++k){

            if(answerWords.contains(compareOrSubVectors[j].elementAt(k))){
                acceptableOrAnswerFlag[j] = true;
            }
        }

    }

    for(int j = 0; j < compareOrVector.size(); ++j){

        if(acceptableOrAnswerFlag[j] == false){
            acceptableAndAnswerFlag = false;
        }
        
    }

    if(acceptableAndAnswerFlag && periodFlag){

        ResponseFrame jFrame = new ResponseFrame(textArea, answerTextArea);
        jFrame.setLocation(50,50);
        jFrame.setVisible(true);
    }
    else{

    //    System.out.println("");

        FeedbackFrame feedbackFrame = new FeedbackFrame(
            "Inadequate answer, try again.", attemptNumber, hintVector);
        feedbackFrame.setVisible(true);
    }

}

}


class ResponseFrame extends JFrame{

    JTextArea answerText = null;
    JTextArea rightAnswerText = null;
    JPanel panel1 = null;
    JPanel panel2 = null;
    JLabel label1 = null;
    JLabel label2 = null;
    JScrollPane answerScrollPane = null;
    JScrollPane correctAnswerScrollPane = null;
   

    ResponseFrame(JTextArea text, JTextArea ansText){


        rightAnswerText = ansText;
        rightAnswerText.setLineWrap(true);

        panel1 = new JPanel();
        panel2 = new JPanel();
        panel1.setLayout(new BorderLayout());
        panel2.setLayout(new BorderLayout());
        label1 = new JLabel("Your answer:");
        label2 = new JLabel("One or more possible answers:");
        this.setSize(500,400);
        answerText = new JTextArea();
        answerText.setLineWrap(true);
        answerText = text;

        this.getContentPane().setLayout(new GridLayout(2,1));

        answerScrollPane = new JScrollPane(answerText);
        panel1.add(label1, "North");
        panel1.add(answerScrollPane, "Center");
        this.getContentPane().add(panel1);

        correctAnswerScrollPane = new JScrollPane(rightAnswerText);
        panel2.add(label2, "North");
        panel2.add(correctAnswerScrollPane, "Center");
        this.getContentPane().add(panel2);

    }

}

class FeedbackFrame extends JFrame implements ActionListener{

    JPanel centerPanel = null;
    JLabel centerLabel = null;
    JButton hintButton = null;
    JButton giveUpButton = null;
    Vector hintVector = new Vector();
    int attemptNumber;


    FeedbackFrame(String responseMessage, int attNum,
        Vector hVector){

        attemptNumber = attNum;
        hintVector = hVector;

  //      System.out.println("attempt = " + attemptNumber);


        setSize(200,200);
        setLocation(100,100);
        centerPanel = new JPanel();
        centerPanel.setBackground(Color.white);
        centerLabel = new JLabel(responseMessage, JLabel.CENTER);
        centerPanel.setLayout(new BorderLayout());
        centerPanel.add(centerLabel);
        this.getContentPane().setLayout(new BorderLayout());
        this.getContentPane().add(centerPanel, "Center");

        if(attemptNumber > 1){
            hintButton = new JButton("Hint");
            hintButton.addActionListener(this);
            this.getContentPane().add(hintButton,"South");

        }

        if(attemptNumber > 6){

            attemptNumber = 6;

        }

    }

    public void actionPerformed(ActionEvent evt){

        if(evt.getSource() == hintButton){
            JTextArea thisHint = new JTextArea();

            if((attemptNumber - 2) <= hintVector.size()){
                thisHint = (JTextArea)hintVector.elementAt(attemptNumber - 2);
            }
            else{
                thisHint = (JTextArea)hintVector.elementAt(hintVector.size() - 1);
            }

            this.setSize(400,200);
            this.setLocation(100,100);
            centerPanel.remove(centerLabel);
            this.getContentPane().remove(hintButton);
            JScrollPane scrollPane = new JScrollPane(thisHint);
            centerPanel.add(scrollPane);
            this.setVisible(true);


        }


    }

}