Window.java

import java.awt.Color;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import java.io.File;
import javax.swing.BorderFactory;
import javax.swing.JFileChooser;
import javax.swing.JOptionPane;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.filechooser.FileNameExtensionFilter;


/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

/**
 *
 * @author ChaseCarnaroli
 */
public class Window extends javax.swing.JFrame {

    /**
     * Creates new form Window
     */
    public Window() {
        initComponents();
        addNameTextFieldListener();
        setVisible(true);
    }

    /**
     * This method is called from within the constructor to initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is always
     * regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        viewButtonGroup = new javax.swing.ButtonGroup();
        textField1 = new java.awt.TextField();
        groupsPanel = new javax.swing.JPanel();
        groupComboBox = new javax.swing.JComboBox<>();
        addGroupButton = new javax.swing.JButton();
        renameGroupButton = new javax.swing.JButton();
        removeGroupButton = new javax.swing.JButton();
        editRosterButton = new javax.swing.JButton();
        rosterDisplayPane = new javax.swing.JScrollPane();
        rosterDisplay = new javax.swing.JList<>();
        addPersonPane = new javax.swing.JPanel();
        addPersonButton = new javax.swing.JButton();
        nameTextField = new javax.swing.JTextField();
        listPanel = new javax.swing.JPanel();
        listDisplayPane = new javax.swing.JScrollPane();
        listDisplay = new javax.swing.JTextArea();
        listWarningLabel = new javax.swing.JLabel();
        generateListButton = new javax.swing.JButton();
        listRadioButton = new javax.swing.JRadioButton();
        targetRadioButton = new javax.swing.JRadioButton();
        viewTypeLabel = new javax.swing.JLabel();
        numberRadioButton = new javax.swing.JRadioButton();
        showGroupCheckBox = new javax.swing.JCheckBox();
        jMenuBar = new javax.swing.JMenuBar();
        fileMenu = new javax.swing.JMenu();
        saveItem = new javax.swing.JMenuItem();
        restartItem = new javax.swing.JMenuItem();
        helpItem = new javax.swing.JMenu();
        howToUseItem = new javax.swing.JMenuItem();
        reportIssueItem = new javax.swing.JMenuItem();
        sourceCodeItem = new javax.swing.JMenuItem();

        textField1.setText("textField1");

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        setTitle("Random List Generator");
        setMinimumSize(new java.awt.Dimension(910, 535));
        setPreferredSize(new java.awt.Dimension(910, 535));
        setSize(getMinimumSize());

        groupsPanel.setBorder(javax.swing.BorderFactory.createTitledBorder("Group Manager"));

        groupComboBox.setEnabled(false);
        groupComboBox.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                groupComboBoxActionPerformed(evt);
            }
        });

        addGroupButton.setText("Add Group");
        addGroupButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                addGroupButtonActionPerformed(evt);
            }
        });

        renameGroupButton.setText("Rename Group");
        renameGroupButton.setEnabled(false);
        renameGroupButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                renameGroupButtonActionPerformed(evt);
            }
        });

        removeGroupButton.setText("Remove Group");
        removeGroupButton.setEnabled(false);
        removeGroupButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                removeGroupButtonActionPerformed(evt);
            }
        });

        editRosterButton.setText("Edit Roster");
        editRosterButton.setEnabled(false);
        editRosterButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                editRosterButtonActionPerformed(evt);
            }
        });

        rosterDisplayPane.setBorder(javax.swing.BorderFactory.createLineBorder(javax.swing.UIManager.getDefaults().getColor("TextArea.inactiveForeground")));

        rosterDisplay.setBorder(javax.swing.BorderFactory.createTitledBorder("Group Roster"));
        rosterDisplay.setFont(new java.awt.Font("Lucida Grande", 0, 16)); // NOI18N
        rosterDisplay.setSelectionMode(javax.swing.ListSelectionModel.SINGLE_SELECTION);
        rosterDisplay.setEnabled(false);
        rosterDisplayPane.setViewportView(rosterDisplay);

        addPersonPane.setBorder(javax.swing.BorderFactory.createTitledBorder(""));

        addPersonButton.setText("Add Person");
        addPersonButton.setEnabled(false);
        addPersonButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                addPersonButtonActionPerformed(evt);
            }
        });

        nameTextField.setForeground(new java.awt.Color(153, 153, 153));
        nameTextField.setText("Enter Name");
        nameTextField.setEnabled(false);
        nameTextField.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                nameTextFieldActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout addPersonPaneLayout = new javax.swing.GroupLayout(addPersonPane);
        addPersonPane.setLayout(addPersonPaneLayout);
        addPersonPaneLayout.setHorizontalGroup(
            addPersonPaneLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(addPersonPaneLayout.createSequentialGroup()
                .addContainerGap()
                .addComponent(nameTextField)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(addPersonButton, javax.swing.GroupLayout.PREFERRED_SIZE, 139, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap())
        );
        addPersonPaneLayout.setVerticalGroup(
            addPersonPaneLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, addPersonPaneLayout.createSequentialGroup()
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addGroup(addPersonPaneLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(addPersonButton)
                    .addComponent(nameTextField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addContainerGap())
        );

        javax.swing.GroupLayout groupsPanelLayout = new javax.swing.GroupLayout(groupsPanel);
        groupsPanel.setLayout(groupsPanelLayout);
        groupsPanelLayout.setHorizontalGroup(
            groupsPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, groupsPanelLayout.createSequentialGroup()
                .addContainerGap()
                .addGroup(groupsPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                    .addComponent(addPersonPane, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                    .addComponent(rosterDisplayPane)
                    .addGroup(groupsPanelLayout.createSequentialGroup()
                        .addGroup(groupsPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                            .addComponent(groupComboBox, javax.swing.GroupLayout.PREFERRED_SIZE, 241, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addGroup(groupsPanelLayout.createSequentialGroup()
                                .addComponent(editRosterButton)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(renameGroupButton, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addGroup(groupsPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addComponent(removeGroupButton, javax.swing.GroupLayout.DEFAULT_SIZE, 170, Short.MAX_VALUE)
                            .addComponent(addGroupButton, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))))
                .addContainerGap())
        );
        groupsPanelLayout.setVerticalGroup(
            groupsPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(groupsPanelLayout.createSequentialGroup()
                .addContainerGap()
                .addGroup(groupsPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(groupComboBox, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(addGroupButton))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addGroup(groupsPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(removeGroupButton)
                    .addComponent(editRosterButton)
                    .addComponent(renameGroupButton))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(rosterDisplayPane, javax.swing.GroupLayout.DEFAULT_SIZE, 350, Short.MAX_VALUE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(addPersonPane, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap())
        );

        listPanel.setBorder(javax.swing.BorderFactory.createTitledBorder("List"));

        listDisplayPane.setBorder(javax.swing.BorderFactory.createLineBorder(javax.swing.UIManager.getDefaults().getColor("TextArea.inactiveForeground")));
        listDisplayPane.setHorizontalScrollBarPolicy(javax.swing.ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
        listDisplayPane.setViewportBorder(javax.swing.BorderFactory.createTitledBorder("List Display"));
        listDisplayPane.setEnabled(false);

        listDisplay.setEditable(false);
        listDisplay.setColumns(20);
        listDisplay.setLineWrap(true);
        listDisplay.setRows(5);
        listDisplay.setWrapStyleWord(true);
        listDisplayPane.setViewportView(listDisplay);

        listWarningLabel.setFont(new java.awt.Font("Lucida Grande", 2, 10)); // NOI18N
        listWarningLabel.setHorizontalAlignment(javax.swing.SwingConstants.CENTER);
        listWarningLabel.setText("<html><div style='text-align: center;'> Sometimes 2 people from the same group may be placed next to each other in the list.<BR> When this happens, a warning message will be displayed.<BR><BR></div></html>");

        generateListButton.setText("Generate Random List");
        generateListButton.setEnabled(false);
        generateListButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                generateListButtonActionPerformed(evt);
            }
        });

        viewButtonGroup.add(listRadioButton);
        listRadioButton.setText("List");
        listRadioButton.setEnabled(false);
        listRadioButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                listRadioButtonActionPerformed(evt);
            }
        });

        viewButtonGroup.add(targetRadioButton);
        targetRadioButton.setText("Target");
        targetRadioButton.setEnabled(false);
        targetRadioButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                targetRadioButtonActionPerformed(evt);
            }
        });

        viewTypeLabel.setFont(new java.awt.Font("Lucida Grande", 0, 14)); // NOI18N
        viewTypeLabel.setText("View Type:");

        viewButtonGroup.add(numberRadioButton);
        numberRadioButton.setSelected(true);
        numberRadioButton.setText("Number");
        numberRadioButton.setEnabled(false);
        numberRadioButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                numberRadioButtonActionPerformed(evt);
            }
        });

        showGroupCheckBox.setText("Show Group");
        showGroupCheckBox.setEnabled(false);
        showGroupCheckBox.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                showGroupCheckBoxActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout listPanelLayout = new javax.swing.GroupLayout(listPanel);
        listPanel.setLayout(listPanelLayout);
        listPanelLayout.setHorizontalGroup(
            listPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(listPanelLayout.createSequentialGroup()
                .addContainerGap()
                .addGroup(listPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(listPanelLayout.createSequentialGroup()
                        .addComponent(showGroupCheckBox)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                        .addComponent(viewTypeLabel)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(numberRadioButton)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(listRadioButton)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(targetRadioButton))
                    .addComponent(listWarningLabel, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.PREFERRED_SIZE, 0, Short.MAX_VALUE)
                    .addGroup(listPanelLayout.createSequentialGroup()
                        .addGap(0, 0, Short.MAX_VALUE)
                        .addComponent(generateListButton)
                        .addGap(0, 0, Short.MAX_VALUE))
                    .addComponent(listDisplayPane))
                .addContainerGap())
        );
        listPanelLayout.setVerticalGroup(
            listPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(listPanelLayout.createSequentialGroup()
                .addContainerGap()
                .addComponent(generateListButton, javax.swing.GroupLayout.PREFERRED_SIZE, 38, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(listPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(viewTypeLabel)
                    .addComponent(listRadioButton)
                    .addComponent(numberRadioButton)
                    .addComponent(showGroupCheckBox)
                    .addComponent(targetRadioButton))
                .addGap(9, 9, 9)
                .addComponent(listDisplayPane)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addComponent(listWarningLabel, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap())
        );

        fileMenu.setText("File");

        saveItem.setText("Save");
        saveItem.setEnabled(false);
        saveItem.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                saveItemActionPerformed(evt);
            }
        });
        fileMenu.add(saveItem);

        restartItem.setText("Restart");
        restartItem.setEnabled(false);
        restartItem.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                restartItemActionPerformed(evt);
            }
        });
        fileMenu.add(restartItem);

        jMenuBar.add(fileMenu);

        helpItem.setText("Help");

        howToUseItem.setText("How to Use");
        howToUseItem.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                howToUseItemActionPerformed(evt);
            }
        });
        helpItem.add(howToUseItem);

        reportIssueItem.setText("Report Issue");
        reportIssueItem.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                reportIssueItemActionPerformed(evt);
            }
        });
        helpItem.add(reportIssueItem);

        sourceCodeItem.setText("Source Code");
        sourceCodeItem.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                sourceCodeItemActionPerformed(evt);
            }
        });
        helpItem.add(sourceCodeItem);

        jMenuBar.add(helpItem);

        setJMenuBar(jMenuBar);

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(groupsPanel, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(4, 4, 4)
                .addComponent(listPanel, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(listPanel, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
            .addComponent(groupsPanel, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
        );

        setSize(new java.awt.Dimension(908, 557));
        setLocationRelativeTo(null);
    }// </editor-fold>//GEN-END:initComponents

    private void removeGroupButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_removeGroupButtonActionPerformed
        controller.removeGroupClicked();
    }//GEN-LAST:event_removeGroupButtonActionPerformed

    private void addPersonButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_addPersonButtonActionPerformed
        if(!hintTextDisplayed){controller.addPerson(nameTextField.getText());}
        resetNameTextField();
    }//GEN-LAST:event_addPersonButtonActionPerformed

    private void listRadioButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_listRadioButtonActionPerformed
        controller.setSelectedViewType(ListViewType.LIST);
    }//GEN-LAST:event_listRadioButtonActionPerformed

    private void targetRadioButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_targetRadioButtonActionPerformed
        controller.setSelectedViewType(ListViewType.TARGET);
    }//GEN-LAST:event_targetRadioButtonActionPerformed

    private void reportIssueItemActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_reportIssueItemActionPerformed
        controller.openWebsite("https://github.com/ChaseC99/RandomCircularListGenerator/issues/new");
    }//GEN-LAST:event_reportIssueItemActionPerformed

    private void nameTextFieldActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_nameTextFieldActionPerformed
        // TODO add your handling code here:
    }//GEN-LAST:event_nameTextFieldActionPerformed

    private void addGroupButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_addGroupButtonActionPerformed
        controller.addGroupClicked();
    }//GEN-LAST:event_addGroupButtonActionPerformed

    private void groupComboBoxActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_groupComboBoxActionPerformed
        controller.setSelectedGroup(getSelectedComboBoxGroup());
    }//GEN-LAST:event_groupComboBoxActionPerformed

    private void sourceCodeItemActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_sourceCodeItemActionPerformed
        controller.openWebsite("https://github.com/ChaseC99/RandomCircularListGenerator");
    }//GEN-LAST:event_sourceCodeItemActionPerformed

    private void renameGroupButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_renameGroupButtonActionPerformed
        controller.renameGroupClicked();
    }//GEN-LAST:event_renameGroupButtonActionPerformed

    private void editRosterButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_editRosterButtonActionPerformed
        controller.editRosterClicked();
    }//GEN-LAST:event_editRosterButtonActionPerformed

    private void generateListButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_generateListButtonActionPerformed
        controller.generateListClicked();
    }//GEN-LAST:event_generateListButtonActionPerformed

    private void numberRadioButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_numberRadioButtonActionPerformed
        controller.setSelectedViewType(ListViewType.NUMBER);
    }//GEN-LAST:event_numberRadioButtonActionPerformed

    private void showGroupCheckBoxActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_showGroupCheckBoxActionPerformed
        controller.showGroupChecked(showGroupCheckBox.isSelected());
    }//GEN-LAST:event_showGroupCheckBoxActionPerformed

    private void restartItemActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_restartItemActionPerformed
        controller.resetClicked();
    }//GEN-LAST:event_restartItemActionPerformed

    private void saveItemActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_saveItemActionPerformed
        controller.saveClicked();
    }//GEN-LAST:event_saveItemActionPerformed

    private void howToUseItemActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_howToUseItemActionPerformed
        controller.openWebsite("https://youtu.be/64j0xa_kzUQ");
    }//GEN-LAST:event_howToUseItemActionPerformed

    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        // Create and display the form
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new Window().setVisible(true);
            }
        });
    }


    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton addGroupButton;
    private javax.swing.JButton addPersonButton;
    private javax.swing.JPanel addPersonPane;
    private javax.swing.JButton editRosterButton;
    private javax.swing.JMenu fileMenu;
    private javax.swing.JButton generateListButton;
    private javax.swing.JComboBox<Group> groupComboBox;
    private javax.swing.JPanel groupsPanel;
    private javax.swing.JMenu helpItem;
    private javax.swing.JMenuItem howToUseItem;
    private javax.swing.JMenuBar jMenuBar;
    private javax.swing.JTextArea listDisplay;
    private javax.swing.JScrollPane listDisplayPane;
    private javax.swing.JPanel listPanel;
    private javax.swing.JRadioButton listRadioButton;
    private javax.swing.JLabel listWarningLabel;
    private javax.swing.JTextField nameTextField;
    private javax.swing.JRadioButton numberRadioButton;
    private javax.swing.JButton removeGroupButton;
    private javax.swing.JButton renameGroupButton;
    private javax.swing.JMenuItem reportIssueItem;
    private javax.swing.JMenuItem restartItem;
    private javax.swing.JList<Person> rosterDisplay;
    private javax.swing.JScrollPane rosterDisplayPane;
    private javax.swing.JMenuItem saveItem;
    private javax.swing.JCheckBox showGroupCheckBox;
    private javax.swing.JMenuItem sourceCodeItem;
    private javax.swing.JRadioButton targetRadioButton;
    private java.awt.TextField textField1;
    private javax.swing.ButtonGroup viewButtonGroup;
    private javax.swing.JLabel viewTypeLabel;
    // End of variables declaration//GEN-END:variables

    // MY ADDITIONAL CODE, NOT GENERATED BY NETBEANS //



    /* Controller code */

    // Variable to represent the Controller
    private Controller controller;

    // Sets the controller for the Window
    public void setController(Controller controller){
        this.controller = controller;
    }



    /* UI Buttons code */

    // Enables or disables all the componets, except the addGroupButton
    // post: the components are enabled or disabled
    public void enableComponents(boolean enable){
        groupComboBox.setEnabled(enable);
        editRosterButton.setEnabled(enable);
        renameGroupButton.setEnabled(enable);
        removeGroupButton.setEnabled(enable);
        rosterDisplay.setEnabled(enable);
        nameTextField.setEnabled(enable);
        addPersonButton.setEnabled(enable);
        generateListButton.setEnabled(enable);
        showGroupCheckBox.setEnabled(enable);
        targetRadioButton.setEnabled(enable);
        listRadioButton.setEnabled(enable);
        numberRadioButton.setEnabled(enable);
        listDisplayPane.setEnabled(enable);
        listDisplay.setEnabled(enable);
        saveItem.setEnabled(enable);
        restartItem.setEnabled(enable);
    }

    // Enables or disables all the components, including the addGroupButton
    // post: the UI is enabled or diabled
    public void enableUI(boolean enable){
        addGroupButton.setEnabled(enable);
        enableComponents(enable);
    }



    /* nameTextField code */
    /*  additional functionality is given to the nameTextField
     *      - hint text is added, which says "Enter Name"
     *      - when clicked on, hint text disapears
     *      - when resetNameTextField is called, hint text reappears
     */

    // nameTextField variables
    private boolean hintTextDisplayed = true;   // Represents whether or not the hint text is displayed
    private boolean addNameFocused = false;     // Represents whether or not the textField is focused

    // Adds FocuseListener and ActionListener to the text field
    private void addNameTextFieldListener() {
        // Adds focus listener to the textField
        nameTextField.addFocusListener(new FocusListener() {

            @Override
            public void focusGained(FocusEvent e) {
                /*  When the text field is selected,
                *   if the hint text is displayed,
                *   then the text field is cleared, the color is set to black
                *   and hintTextDisplayed is set to false
                */
                if(hintTextDisplayed){
                    nameTextField.setText("");
                    nameTextField.setForeground(Color.black);
                    hintTextDisplayed = false;
                }

                addNameFocused = true;
            }

            @Override
            public void focusLost(FocusEvent e) {
                /*  When the text field is deselected,
                *   if the text field is empty,
                *   the hint text is put back in the text field
                */
                if(nameTextField.getText().length() == 0){
                    resetNameTextField();
                }

                addNameFocused = false;
            }
        });

        // Adds action listener to the textField
        nameTextField.addActionListener(new ActionListener() {

                /*  When the enter key is pressed, this method is called
                *   If the textField is focused, then addPersonButtonAction is called
                *   It then focuses on addPersonButton so textField can reset
                */
                @Override
                public void actionPerformed(ActionEvent e) {
                    if(addNameFocused)
                    {
                        addPersonButtonActionPerformed(null);   // calls addPersonButton
                        addPersonButton.requestFocus();         // focus leaves textField and goes to addPersonButton
                    }
                }
        });
    }

    // Resets the text field and displays hint text
    // post: hint text is displayed and hintTextDisplayed is set to true
    private void resetNameTextField() {
        nameTextField.setText("Enter Name");
        nameTextField.setForeground(new Color(153, 153, 153));
        hintTextDisplayed = true;
    }



    /* groupComboBox code */

    // post: group is added to comboBox and set as selected item
    public void addGroupToComboBox(Group group){
        groupComboBox.addItem(group);
        groupComboBox.setSelectedItem(group);
    }

    // post: group is removed from the comboBox
    public void removeGroupFromComboBox(int index){
        groupComboBox.removeItemAt(index);
    }

    // I tried to use .getSelectedItem() but that returned an Obj, not Group
    // So instead I had to use .getItemAt(.getSelectedIndex()) because that returned Group
    // post: returns the selected group from the comboBox
    public Group getSelectedComboBoxGroup(){
        int index = groupComboBox.getSelectedIndex();
        if (index == -1){
            return null;
        } else {
            return groupComboBox.getItemAt(index);
        }

    }



    /* PopUp Menus code */

    // displays JOptionPane asking user if user wants to delete group
    // post: returns true if yes is selected, else returns false
    public boolean removeGroupPopUp(Group selectedGroup){
        // Open JOptionPane, asking if user wants to delete group
        int response = JOptionPane.showConfirmDialog(this, "Are you sure you want to remove '" + selectedGroup.toString() + "'?", "Remove Group", JOptionPane.YES_NO_OPTION, JOptionPane.WARNING_MESSAGE);
        if(response == JOptionPane.YES_OPTION){
            return true;
        } else {
            return false;
        }
    }

    // displays JOptionPane prompting user to input a group name
    // post: returns the group name, null if cancel was clicked
    public String addGroupPopUp(){
        String groupName = JOptionPane.showInputDialog("Enter Group Name:");
        return groupName;
    }

    // displays JOptionPane prompting user to change a group's name
    // post: returns the new group name, null if cancel was clicked
    public String renameGroupPopUp(String originalName){
        String newName = JOptionPane.showInputDialog("Enter new name for '" + originalName +"':", originalName);
        return newName;
    }

    // displays JOptionPane asking user if user wants to reset the program
    // post: returns true if yes is selected, else returns false
    public boolean resetPopUp(){
        // Open JOptionPane, asking if user wants to reset the program
        int response = JOptionPane.showConfirmDialog(this, "Are you sure you want to reset the program?\nAll groups will be removed and the list display will be cleared.\n\nThis cannot be undone!", "Remove Group", JOptionPane.YES_NO_OPTION, JOptionPane.WARNING_MESSAGE);
        if(response == JOptionPane.YES_OPTION){
            return true;
        } else {
            return false;
        }
    }

    // display EditRosterPopUp prompting the user to update the roster
    public void editRosterPopUp(Group group){
        // Generate EditRosterPopUp, the popup does the rest of the work
        EditRosterPopUp popUp = new EditRosterPopUp(this, controller);
    }

    // display error message, telling user each group must have at least one person
    public void generateListErrorPopUp(){
        JOptionPane.showMessageDialog(this, "One or more groups contain no people.\nPlease make sure all groups have at least one person.", "Error - Empty Group", JOptionPane.ERROR_MESSAGE);
    }

    // display error message, telling user that the group must have a name
    public void invalidGroupNamePopUp(){
        JOptionPane.showMessageDialog(this, "Groups must have a name.\nPlease enter something for the group name.", "Invalid Group Name", JOptionPane.ERROR_MESSAGE);
    }

    public void saveErrorNoListPopUp(){
        JOptionPane.showMessageDialog(this, "There is currently no list to save.\nPlease click \"Generate Random List\" and try again.", "No List - Cannot Save", JOptionPane.ERROR_MESSAGE);
    }

    // display JFileChooser to save a file
    // post: returns the saved file, null if canceled
    public File fileChooserPopUp(){
        // Create JFileChooser
        JFileChooser fileChooser = new JFileChooser();
        fileChooser.setFileFilter(new FileNameExtensionFilter("Text Files", "txt", "text"));    // set file filter
        fileChooser.setSelectedFile(new File("list.txt"));                                      // set default file name

        // Prompt user to save the file
        int response = fileChooser.showSaveDialog(this);    // generate save file dialog

        // If the user saves a file, proceed, otherwise return null
        if(response == JFileChooser.APPROVE_OPTION){
            // Get saved file from fileChooser
            File savedFile = fileChooser.getSelectedFile();

            // Check to make sure file ends with ".txt"
            String fileName = savedFile.getAbsolutePath();
            if(!fileName.endsWith(".txt") ){
                savedFile = new File(fileName + ".txt");
            }

            return savedFile;
        } else {
            return null;
        }
    }



    /* Roster Display code */

    // updates display to inputed list and updates title border to the group name
    public void updateRosterDisplay(){
        Group selectedGroup = controller.getSelectedGroup();

        if(selectedGroup == null){
            rosterDisplay.setListData(new Person[0]);
            rosterDisplay.setBorder(BorderFactory.createTitledBorder("Group Roster"));
        } else {
            rosterDisplay.setListData(selectedGroup.getRosterAsArray());
            rosterDisplay.setBorder(BorderFactory.createTitledBorder(selectedGroup.getGroupName() + " Roster"));
        }
    }



    /* List Display code */

    // sets the text of listDisplay
    public void updateListDisplay(String text){
        listDisplay.setText(text);
    }



    /* Reset code */

    // resets UI
    // post: the UI looks like how it does when it first launced
    public void reset(){
        updateRosterDisplay();
        updateListDisplay("");
        groupComboBox.removeAllItems();
        showGroupCheckBox.setSelected(false);
        enableComponents(false);
    }
}