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script.js
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script.js
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document.addEventListener('DOMContentLoaded', () => {
// DOM elements
const addBtn = document.getElementById('add-btn');
const filterBtn = document.getElementById('filter-btn');
const deleteAllBtn = document.getElementById('delete-all-btn');
const alertBox = document.getElementById('alert');
const dropdown = document.getElementById('dropdown');
const todoList = document.getElementById('todo-list');
const container = document.getElementById('container');
// Array to store todos
let todos = [];
// Event listeners setup
addBtn.addEventListener('click', addTodo);
filterBtn.addEventListener('click', toggleDropdown);
deleteAllBtn.addEventListener('click', deleteAllTodos);
// Event listener for dropdown filter options
document.querySelectorAll('#dropdown button').forEach(button => {
button.addEventListener('click', (event) => {
const filter = event.target.getAttribute('data-filter');
filterTodos(filter);
});
});
// Function to add a new todo
function addTodo() {
const todoInput = document.getElementById('todo-input');
const todoDate = document.getElementById('todo-date');
const task = todoInput.value;
const date = todoDate.value;
if (!task || !date) {
showAlert('Please enter a task and a due date', 'error');
return;
}
const todo = { task, date, status: 'pending' };
todos.push(todo);
renderTodos(todos);
showAlert('Task added successfully', 'success');
clearInputs();
}
// Function to show alerts
function showAlert(message, type) {
alertBox.textContent = message;
alertBox.className = `alert ${type}`;
alertBox.style.display = 'block';
container.classList.add('enlarged');
setTimeout(() => {
alertBox.style.opacity = '0';
setTimeout(() => {
alertBox.style.display = 'none';
alertBox.style.opacity = '1';
container.classList.remove('enlarged');
}, 500);
}, 2000);
}
// Function to toggle dropdown visibility
function toggleDropdown() {
dropdown.style.display = dropdown.style.display === 'block' ? 'none' : 'block';
}
// Function to filter todos based on status (all, pending, complete)
function filterTodos(status) {
const filteredTodos = status === 'all' ? todos : todos.filter(todo => todo.status === status);
renderTodos(filteredTodos);
dropdown.style.display = 'none';
}
// Function to delete all todos
function deleteAllTodos() {
todos = [];
renderTodos(todos);
showAlert('All tasks deleted', 'info');
}
// Function to render todos in the UI
function renderTodos(todos) {
todoList.innerHTML = '';
todos.forEach((todo, index) => {
const row = document.createElement('tr');
row.innerHTML = `
<td>${todo.task}</td>
<td>${todo.date}</td>
<td>${todo.status}</td>
<td class="actions">
<button class="edit-btn" onclick="editTodo(${index})">✏️</button>
<button class="complete-btn" onclick="completeTodo(${index})">✔️</button>
<button class="delete-btn" onclick="deleteTodo(${index})">🗑️</button>
</td>
`;
todoList.appendChild(row);
});
}
// Function to clear input fields after adding a todo
function clearInputs() {
document.getElementById('todo-input').value = '';
document.getElementById('todo-date').value = '';
}
// Function to edit a todo
window.editTodo = function(index) {
const newTask = prompt('Edit task:', todos[index].task);
const newDate = prompt('Edit due date:', todos[index].date);
if (newTask !== null && newDate !== null) {
todos[index].task = newTask;
todos[index].date = newDate;
renderTodos(todos);
}
};
// Function to mark a todo as complete
window.completeTodo = function(index) {
todos[index].status = 'complete';
renderTodos(todos);
};
// Function to delete a todo
window.deleteTodo = function(index) {
todos.splice(index, 1);
renderTodos(todos);
showAlert('Task deleted', 'info');
};
});