gui

import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JScrollPane;
import javax.swing.JSeparator;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import javax.swing.JWindow;
import javax.swing.SwingConstants;

public class gui {

    JLabel jLabInstruction, jLaberror, copyright;
    JLabel curStatus = new JLabel("");
    JTextField uI;
    Object fileExists;
    boolean file;
    JTextArea textArea;
    JButton jbtnSubmit;
    Object results;
    String[] diagResults;
    boolean check;
    JScrollPane areaScrollPane;

    // Run the splash screen
    public void runSplash() {
        JWindow window = new JWindow();
        window.getContentPane().add(
                new JLabel("Loading TaskManager...", SwingConstants.CENTER));
        window.setBounds(200, 200, 200, 100);
        window.setVisible(true);
        try {
            Thread.sleep(5000);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        window.setVisible(false);
        JFrame frame = new JFrame();
        frame.add(new JLabel("Welcome"));
        frame.setVisible(true);
        frame.setSize(300, 100);
        window.dispose();
    }

    // Set up the GUI end for the user
    public void startGUI() { // <---- SHOULD ACTUALLY BE CONSTRUCTOR!!
        // These are all essential GUI pieces
        copyright = new JLabel("");
        uI = new JTextField("");
        uI = new JTextField(25);
        new JTextArea("");

        final JFrame jfrm = new JFrame(
                "my app");
        jfrm.setLayout(new FlowLayout());
        jfrm.setSize(300, 300);
        jfrm.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        textArea = new JTextArea(5, 20);
        textArea.setEditable(false);
        textArea.setLineWrap(true);
        textArea.setWrapStyleWord(true);
        jLabInstruction = new JLabel("SYSTEM: Please type in a command: ");
        jbtnSubmit = new JButton("Submit");
        jLaberror = new JLabel("");
        textArea.setMargin(new Insets(10, 10, 10, 10));

        areaScrollPane = new JScrollPane(textArea); //ADDED
        areaScrollPane.setVerticalScrollBarPolicy(
                JScrollPane.VERTICAL_SCROLLBAR_ALWAYS); //ADDED
        areaScrollPane.setPreferredSize(new Dimension(250, 150)); //ADDED

        jfrm.add(jLaberror);
        jfrm.add(curStatus);
        jfrm.add(areaScrollPane);
        jfrm.add(jLabInstruction);
        jfrm.add(uI);
        jfrm.add(jbtnSubmit);
        jfrm.add(copyright);
        jfrm.setVisible(true);
    }

    // Writes to the text area
    public void writeToTextArea(char annotation, String userInputText) {
        if(annotation=='s') {
            textArea.append("\nSYSTEM: " + userInputText);
        }
        else if (annotation=='n') {
            textArea.append(userInputText.toUpperCase());
        }
        else {
            {
                textArea.append("\nUSER: " + userInputText.toUpperCase());
            }
        }
    }

    // Ask the user for input
    public String askGetInput(String outText) {
        // Update textArea with question
        writeToTextArea('s', outText);

        String str = JOptionPane.showInputDialog(null, outText,
                "my app", 1);
        if(str != null && str != "") {
              writeToTextArea('u', str);
              return str;
        }
        else
              JOptionPane.showMessageDialog(null, "You pressed the cancel button.",
            "my app", 1);
        return "";
    }

    public void setCurStatus(String inCurStatus) {
        curStatus.setText(inCurStatus);
        curStatus.setVisible(true);
    }

    public void terminateProgram (int status) {
        if(status == 1) {
            uI.setEditable(false);
            jbtnSubmit.setEnabled( false );
        }
    }

}