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ToDoListGUI
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ToDoListGUI
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import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.ArrayList;
public class ToDoListGUI {
private ArrayList<String> tasks;
private DefaultListModel<String> tasksListModel;
private JList<String> tasksList;
public ToDoListGUI() {
tasks = new ArrayList<>();
tasksListModel = new DefaultListModel<>();
tasksList.setModel(tasksListModel);
}
public void addTask(String task) {
tasks.add(task);
tasksListModel.addElement(task);
System.out.println("Задача добавлена: " + task);
}
public void markTaskAsDone(int index) {
if (index >= 0 && index < tasks.size()) {
String task = tasks.get(index);
tasks.set(index, "[Выполнено] " + task);
tasksListModel.set(index, "[Выполнено] " + task);
System.out.println("Задача выполнена: " + task);
} else {
System.out.println("Неверный индекс задачи.");
}
}
public void displayTasks() {
if (tasks.isEmpty()) {
JOptionPane.showMessageDialog(null, "Список задач пуст.");
} else {
StringBuilder tasksText = new StringBuilder("Список задач:\n");
for (String task : tasks) {
tasksText.append("- ").append(task).append("\n");
}
JOptionPane.showMessageDialog(null, tasksText.toString());
}
}
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
createAndShowGUI();
}
});
}
private static void createAndShowGUI() {
JFrame frame = new JFrame("To-Do List");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setSize(400, 300);
ToDoListGUI toDoList = new ToDoListGUI();
JMenuBar menuBar = new JMenuBar();
JMenu menu = new JMenu("Действия");
JMenuItem addTaskItem = new JMenuItem("Добавить задачу");
JMenuItem markAsDoneItem = new JMenuItem("Отметить как выполненное");
JMenuItem displayTasksItem = new JMenuItem("Показать список задач");
JMenuItem exitItem = new JMenuItem("Выйти");
menu.add(addTaskItem);
menu.add(markAsDoneItem);
menu.add(displayTasksItem);
menu.addSeparator();
menu.add(exitItem);
menuBar.add(menu);
frame.setJMenuBar(menuBar);
addTaskItem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
String task = JOptionPane.showInputDialog("Введите текст задачи:");
if (task != null && !task.isEmpty()) {
toDoList.addTask(task);
}
}
});
markAsDoneItem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
int index = toDoList.tasksList.getSelectedIndex();
if (index != -1) {
toDoList.markTaskAsDone(index);
} else {
JOptionPane.showMessageDialog(null, "Выберите задачу для отметки выполненной.");
}
}
});
displayTasksItem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
toDoList.displayTasks();
}
});
exitItem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
System.exit(0);
}
});
JPanel mainPanel = new JPanel(new BorderLayout());
toDoList.tasksList = new JList<>(toDoList.tasksListModel);
JScrollPane scrollPane = new JScrollPane(toDoList.tasksList);
mainPanel.add(scrollPane, BorderLayout.CENTER);
frame.add(mainPanel);
frame.setVisible(true);
}
}