private class color_item {

private int red_value;

private int green_value;

private int blue_value;

private String color_name;

public color_item(Color color, String name) {

red_value = color.getRed();

green_value = color.getGreen();

blue_value = color.getBlue();

color_name = name;

}

public int get_red() {

return red_value;

}

public int get_green() {

return green_value;

}

public int get_blue() {

return blue_value;

}

public String get_name() {

return color_name;

}

public void set_red(int red) {

red_value = red;

}

public void set_green(int green) {

green_value = green;

}

public void set_blue(int blue) {

blue_value = blue;

}

public void set_name(String name) {

color_name = name;

}

@Override

public String toString() {

return color_name;

}

}

private class application_model {

private color_item selected_color;

private color_item preview_color;

private String color_save_file;

private DefaultListModel loaded_colors;

public application_model(String file) throws IOException {

loaded_colors = new DefaultListModel();

color_save_file = file;

read_file(file);

selected_color = new color_item(new Color(0,0,0), "DEFAULT");

preview_color = new color_item(new Color(0,0,0), "DEFAULT");

}

public color_item get_selected_color() {

return selected_color;

}

public void set_selected_color(color_item color) {

selected_color = color;

}

public color_item get_preview_color() {

return preview_color;

}

public void set_preview_color(color_item color) {

preview_color = color;

}

public DefaultListModel get_loaded_colors() {

return loaded_colors;

}

public void increment_red() {

int red_value = preview_color.get_red();

if (red_value < 255) {

preview_color.set_red(red_value + 5);

}

}

public void decrement_red() {

int red_value = preview_color.get_red();

if (red_value > 0) {

preview_color.set_red(red_value - 5);

}

}

public void increment_green() {

int green_value = preview_color.get_green();

if (green_value < 255) {

preview_color.set_green(green_value + 5);

}

}

public void decrement_green() {

int green_value = preview_color.get_green();

if (green_value > 0) {

preview_color.set_green(green_value - 5);

}

}

public void increment_blue() {

int blue_value = preview_color.get_blue();

if (blue_value < 255) {

preview_color.set_blue(blue_value + 5);

}

}

public void decrement_blue() {

int blue_value = preview_color.get_blue();

if (blue_value > 0) {

preview_color.set_blue(blue_value - 5);

}

}

public void change_selection(color_item view_selection) {

preview_color.set_red(view_selection.get_red());

preview_color.set_green(view_selection.get_green());

preview_color.set_blue(view_selection.get_blue());

preview_color.set_name(view_selection.get_name());

selected_color.set_red(view_selection.get_red());

selected_color.set_green(view_selection.get_green());

selected_color.set_blue(view_selection.get_blue());

selected_color.set_name(view_selection.get_name());

}

public String update_window_title() {

if ((preview_color.get_red() == selected_color.get_red()) && (preview_color.get_green() == selected_color.get_green()) && (preview_color.get_blue() == selected_color.get_blue())) {

return "Color Sampler";

} else {

return "Color Sampler*";

}

}

public void update_selected_color(color_item view_selection) throws IOException {

view_selection.set_red(preview_color.get_red());

view_selection.set_green(preview_color.get_green());

view_selection.set_blue(preview_color.get_blue());

view_selection.set_name(preview_color.get_name());

selected_color.set_red(preview_color.get_red());

selected_color.set_green(preview_color.get_green());

selected_color.set_blue(preview_color.get_blue());

selected_color.set_name(preview_color.get_name());

save_file(color_save_file);

}

public void reset_selected_color() {

preview_color.set_red(selected_color.get_red());

preview_color.set_green(selected_color.get_green());

preview_color.set_blue(selected_color.get_blue());

preview_color.set_name(selected_color.get_name());

}

private void read_file(String file) throws IOException {

FileInputStream istream = new FileInputStream(file);

InputStreamReader reader = new InputStreamReader(istream);

StreamTokenizer tokens = new StreamTokenizer(reader);

String color_name;

int red_value;

int green_value;

int blue_value;

for (int i = 0; tokens.nextToken() != tokens.TT_EOF; i++) {

color_name = (String) tokens.sval;

tokens.nextToken();

red_value = (int) tokens.nval;

tokens.nextToken();

green_value = (int) tokens.nval;

tokens.nextToken();

blue_value = (int) tokens.nval;

loaded_colors.addElement(new color_item(new Color(red_value, green_value, blue_value), color_name));

}

istream.close();

}

private void save_file(String file) throws IOException {

FileOutputStream ostream = new FileOutputStream(file);

PrintWriter writer = new PrintWriter(ostream);

for (int i = 0; i < loaded_colors.getSize(); i++) {

color_item saved_color = (color_item) loaded_colors.getElementAt(i);

String color_name = saved_color.get_name();

int red_value = saved_color.get_red();

int green_value = saved_color.get_green();

int blue_value = saved_color.get_blue();

writer.println(color_name + " " + String.valueOf(red_value) + " " + String.valueOf(green_value) + " " + String.valueOf(blue_value) + "\n");

}

writer.flush();

ostream.close();

}

}

public class application_view {

private JFrame main_window;

private JPanel color_viewer;

private JButton redPalette_add;

private JButton redPalette_subtract;

private JTextField redPalette_field;

private JButton greenPalette_add;

private JButton greenPalette_subtract;

private JTextField greenPalette_field;

private JButton bluePalette_add;

private JButton bluePalette_subtract;

private JTextField bluePalette_field;

private JButton save_button;

private JButton reset_button;

private JList color_selection;

public application_view() {

main_window = new JFrame();

JPanel container = new JPanel(new GridBagLayout());

GridBagConstraints color_viewer_constraints = new GridBagConstraints();

color_viewer = new JPanel();

GridBagConstraints color_palette_constraints = new GridBagConstraints();

JPanel color_palette = new JPanel(new GridLayout(3,4));

JLabel redPalette_label = new JLabel("Red:");

redPalette_field = new JTextField();

redPalette_add = new JButton("+");

redPalette_subtract = new JButton("-");

JLabel greenPalette_label = new JLabel("Green:");

greenPalette_field = new JTextField();

greenPalette_add = new JButton("+");

greenPalette_subtract = new JButton("-");

JLabel bluePalette_label = new JLabel("Blue:");

bluePalette_field = new JTextField();

bluePalette_add = new JButton("+");

bluePalette_subtract = new JButton("-");

GridBagConstraints color_options_constraints = new GridBagConstraints();

JPanel color_options = new JPanel();

save_button = new JButton("Save");

reset_button = new JButton("Reset");

GridBagConstraints color_selection_constraints = new GridBagConstraints();

color_selection = new JList();

container.setBorder(new EmptyBorder(10,10,10,10));

main_window.add(container);

color_viewer_constraints.fill = GridBagConstraints.HORIZONTAL;

color_viewer_constraints.weightx = 1;

color_viewer_constraints.weighty = 0;

color_viewer_constraints.gridy = 0;

color_viewer_constraints.gridx = 0;

color_viewer_constraints.ipady = 100;

color_viewer_constraints.insets = new Insets(0, 0,5,5);

container.add(color_viewer, color_viewer_constraints);

color_palette_constraints.fill = GridBagConstraints.HORIZONTAL;

color_palette_constraints.weightx = 1;

color_palette_constraints.weighty = 0;

color_palette_constraints.gridy = 1;

color_palette_constraints.gridx = 0;

color_palette_constraints.ipady = 30;

color_palette_constraints.insets = new Insets(0, 0,5,5);

redPalette_field.setEditable(false);

greenPalette_field.setEditable(false);

bluePalette_field.setEditable(false);

container.add(color_palette, color_palette_constraints);

color_palette.add(redPalette_label);

color_palette.add(redPalette_field);

color_palette.add(redPalette_subtract);

color_palette.add(redPalette_add);

color_palette.add(greenPalette_label);

color_palette.add(greenPalette_field);

color_palette.add(greenPalette_subtract);

color_palette.add(greenPalette_add);

color_palette.add(bluePalette_label);

color_palette.add(bluePalette_field);

color_palette.add(bluePalette_subtract);

color_palette.add(bluePalette_add);

color_options_constraints.fill = GridBagConstraints.HORIZONTAL;

color_options_constraints.weightx = 1;

color_options_constraints.weighty = 0;

color_options_constraints.gridy = 2;

color_options_constraints.gridx = 0;

color_options_constraints.ipady = -9;

color_options_constraints.insets = new Insets(0, 0,0,5);

container.add(color_options, color_options_constraints);

color_options.add(save_button);

color_options.add(reset_button);

color_selection_constraints.fill = GridBagConstraints.VERTICAL;

color_selection_constraints.weightx = 0;

color_selection_constraints.weighty = 0;

color_selection_constraints.gridheight = GridBagConstraints.REMAINDER;

color_selection_constraints.gridy = 0;

color_selection_constraints.gridx = 1;

color_selection_constraints.insets = new Insets(0, 0,0,0);

container.add(color_selection, color_selection_constraints);

color_selection.setFixedCellWidth(110);

main_window.setSize(330, 310);

main_window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

main_window.setVisible(true);

main_window.setResizable(false);

}

public JFrame get_main_window() {

return main_window;

}

public JPanel get_color_viewer() {

return color_viewer;

}

public JButton get_redPalette_add() {

return redPalette_add;

}

public JButton get_redPalette_subtract() {

return redPalette_subtract;

}

public JTextField get_redPalette_field() {

return redPalette_field;

}

public JButton get_greenPalette_add() {

return greenPalette_add;

}

public JButton get_greenPalette_subtract() {

return greenPalette_subtract;

}

public JTextField get_greenPalette_field() {

return greenPalette_field;

}

public JButton get_bluePalette_add() {

return bluePalette_add;

}

public JButton get_bluePalette_subtract() {

return bluePalette_subtract;

}

public JTextField get_bluePalette_field() {

return bluePalette_field;

}

public JButton get_save_button() {

return save_button;

}

public JButton get_reset_button() {

return reset_button;

}

public JList get_color_selection() {

return color_selection;

}

}

private class application_controller {

private application_model model;

private application_view view;

public application_controller(application_model model, application_view view) {

this.model = model;

this.view = view;

initialize_view();

}

public void initialize_controller() {

view.get_redPalette_add().addActionListener(event -> make_red_lighter());

view.get_redPalette_subtract().addActionListener(event -> make_red_darker());

view.get_greenPalette_add().addActionListener(event -> make_green_lighter());

view.get_greenPalette_subtract().addActionListener(event -> make_green_darker());

view.get_bluePalette_add().addActionListener(event -> make_blue_lighter());

view.get_bluePalette_subtract().addActionListener(event -> make_blue_darker());

view.get_color_selection().addListSelectionListener(event -> new_selection());

view.get_save_button().addActionListener(event -> {

try {

save_palette();

} catch (IOException exception) {

System.out.println("CANT OPEN SAVE FILE" + exception);

}

});

view.get_reset_button().addActionListener(event -> reset_palette());

}

private void initialize_view() {

view.get_main_window().setTitle("Color Picker");

view.get_color_viewer().setBackground(new Color(model.get_selected_color().get_red(), model.get_selected_color().get_green(), model.get_selected_color().get_blue()));

view.get_redPalette_field().setText(String.valueOf(model.get_selected_color().get_red()));

view.get_greenPalette_field().setText(String.valueOf(model.get_selected_color().get_green()));

view.get_bluePalette_field().setText(String.valueOf(model.get_selected_color().get_blue()));

view.get_color_selection().setModel(model.get_loaded_colors());

}

private void make_red_lighter() {

model.increment_red();

view.get_main_window().setTitle(model.update_window_title());

view.get_color_viewer().setBackground(new Color(model.get_preview_color().get_red(), model.get_preview_color().get_green(), model.get_preview_color().get_blue()));

view.get_redPalette_field().setText(String.valueOf(model.get_preview_color().get_red()));

}

private void make_red_darker() {

model.decrement_red();

view.get_main_window().setTitle(model.update_window_title());

view.get_color_viewer().setBackground(new Color(model.get_preview_color().get_red(), model.get_preview_color().get_green(), model.get_preview_color().get_blue()));

view.get_redPalette_field().setText(String.valueOf(model.get_preview_color().get_red()));

}

private void make_green_lighter() {

model.increment_green();

view.get_main_window().setTitle(model.update_window_title());

view.get_color_viewer().setBackground(new Color(model.get_preview_color().get_red(), model.get_preview_color().get_green(), model.get_preview_color().get_blue()));

view.get_greenPalette_field().setText(String.valueOf(model.get_preview_color().get_green()));

}

private void make_green_darker() {

model.decrement_green();

view.get_main_window().setTitle(model.update_window_title());

view.get_color_viewer().setBackground(new Color(model.get_preview_color().get_red(), model.get_preview_color().get_green(), model.get_preview_color().get_blue()));

view.get_greenPalette_field().setText(String.valueOf(model.get_preview_color().get_green()));

}

private void make_blue_lighter() {

model.increment_blue();

view.get_main_window().setTitle(model.update_window_title());

view.get_color_viewer().setBackground(new Color(model.get_preview_color().get_red(), model.get_preview_color().get_green(), model.get_preview_color().get_blue()));

view.get_bluePalette_field().setText(String.valueOf(model.get_preview_color().get_blue()));

}

private void make_blue_darker() {

model.decrement_blue();

view.get_main_window().setTitle(model.update_window_title());

view.get_color_viewer().setBackground(new Color(model.get_preview_color().get_red(), model.get_preview_color().get_green(), model.get_preview_color().get_blue()));

view.get_bluePalette_field().setText(String.valueOf(model.get_preview_color().get_blue()));

}

private void new_selection() {

model.change_selection((color_item) view.get_color_selection().getSelectedValue());

view.get_main_window().setTitle(model.update_window_title());

view.get_color_viewer().setBackground(new Color(model.get_selected_color().get_red(), model.get_selected_color().get_green(), model.get_selected_color().get_blue()));

view.get_redPalette_field().setText(String.valueOf(model.get_selected_color().get_red()));

view.get_greenPalette_field().setText(String.valueOf(model.get_selected_color().get_green()));

view.get_bluePalette_field().setText(String.valueOf(model.get_selected_color().get_blue()));

}

private void save_palette() throws IOException {

model.update_selected_color((color_item) view.get_color_selection().getSelectedValue());

view.get_main_window().setTitle("Color Sampler");

}

private void reset_palette() {

model.reset_selected_color();

view.get_main_window().setTitle("Color Sampler");

view.get_color_viewer().setBackground(new Color(model.get_selected_color().get_red(), model.get_selected_color().get_green(), model.get_selected_color().get_blue()));

view.get_redPalette_field().setText(String.valueOf(model.get_selected_color().get_red()));

view.get_greenPalette_field().setText(String.valueOf(model.get_selected_color().get_green()));

view.get_bluePalette_field().setText(String.valueOf(model.get_selected_color().get_blue()));

}

}

public ColorApp() throws IOException {

application_model Model = new application_model("colors.txt");

application_view View = new application_view();

application_controller Controller = new application_controller(Model, View);

Controller.initialize_controller();

}

public static void main(String[] args) throws IOException {

ColorApp application = new ColorApp();

}

}