package org.calc.stack;

import java.awt.BorderLayout;

/**
 * Provides UI by extending JFrame.
 * @author Elliot Gardner
 *
 */
public class CalcView extends JFrame {
    /**
     * Provides generated serialVersionID.
     */
    private static final long serialVersionUID = 3671833875684048855L;
    /**
     * Provides contentPanel for Frame elements to
     * &nbsp be inserted.
     */
    private JPanel contentPane;
    /**
     * Provides textField for user to enter data.
     */
    private JTextField textField;
  //Moved from constructor to instance field.
    /**
     * Provides boolean which will be utilized in calcController.
     */
    private JRadioButton rdbtnNewRadioButton;
  //Moved from constructor to instance field.
    /**
     * Provides a button to evaluate expressions.
     */
    private JButton btnEvaluate;
    /**
     * Launch the application.
     */
//    public static void main(String[] args) {
//        EventQueue.invokeLater(new Runnable() {
//            public void run() {
//                try {
//                    CalcView frame = new CalcView();
//                    frame.setVisible(true);
//                } catch (Exception e) {
//                    e.printStackTrace();
//                }
//            }
//        });
//    }

    /**
     * Create the frame.
     */
    public CalcView() {
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setBounds(100, 100, 450, 89);
        contentPane = new JPanel();
        contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
        contentPane.setLayout(new BorderLayout(0, 0));
        setContentPane(contentPane);
        textField = new JTextField();
        contentPane.add(textField, BorderLayout.NORTH);
        textField.setColumns(10);
        rdbtnNewRadioButton = new JRadioButton("Reverse Polish/Infix");
        contentPane.add(rdbtnNewRadioButton, BorderLayout.WEST);
        btnEvaluate = new JButton("Evaluate");
        contentPane.add(btnEvaluate, BorderLayout.EAST);
    }
    /**
     * returns the string of the textField.
     * @return returns type of String.
     */
    public final String getExpression() {
        return this.textField.toString();
    }
    /**
     * Sets the string of the textField.
     * @param expression takes String parameter.
     */
    public final void setExpression(final String expression) {
        this.textField.setText(expression);
    }
}