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app.js
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app.js
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//Select DOM
const todoInput = document.querySelector(".todo-input");
const todoButton = document.querySelector(".todo-button");
const todoList = document.querySelector(".todo-list");
const filterOption = document.querySelector(".filter-todo");
//Event Listeners
document.addEventListener("DOMContentLoaded", getTodos);
todoButton.addEventListener("click", addTodo);
todoList.addEventListener("click", deleteTodo);
filterOption.addEventListener("click", filterTodo);
//Functions
function getItemFromLocalStorage() {
const todos = JSON.parse(localStorage.getItem("todos")) || [];
return todos;
}
function addTodo(e) {
//Prevent natural behaviour
e.preventDefault();
if (todoInput.value.trim() === "") {
//alert("Fill the box");
openmodal("red", "Fill the box");
return;
}
// alert("Duplicate task")
if(isDuplicate(todoInput.value)){
openmodal('red','Task already added');
return;
}
//Create todo div
const todoDiv = document.createElement("div");
todoDiv.classList.add("todo");
//Create list
const newTodo = document.createElement("li");
newTodo.innerText = todoInput.value;
let newTodoItem = {
id: Math.round(Math.random() * 100), //id for selection
task: todoInput.value,
status: "incomplete",
};
todoDiv.setAttribute("key", newTodoItem.id);
//Save to local - do this last
//Save to local
saveLocalTodos(newTodoItem);
//
newTodo.classList.add("todo-item");
todoDiv.appendChild(newTodo);
todoInput.value = "";
const edit = document.createElement("div");
edit.innerHTML =
` <form class="editform">
<input type="text" placeholder=` +
`"${newTodoItem.task}"` +
`id="` +
`edit-${newTodoItem.id}` +
`" required />
<div class="editDiv" style="margin:auto;">
<button id="editBtn-` +
`${newTodoItem.id}` +
`" type="submit">
<i class="fas fa-plus-square"></i>
</button>
</div>
</form>`;
edit.classList.add("hide");
todoDiv.appendChild(edit);
//Create Completed Button
const completedButton = document.createElement("button");
completedButton.innerHTML = `<i class="fas fa-check"></i>`;
completedButton.classList.add("complete-btn");
todoDiv.appendChild(completedButton);
//Create edit button
const editButton = document.createElement("button");
editButton.innerHTML = `<i class="fas fa-pen"></i>`;
editButton.classList.add("edit-btn");
editButton.addEventListener("click", () => editTodo(newTodoItem, todoDiv));
todoDiv.appendChild(editButton);
//Create trash button
const trashButton = document.createElement("button");
trashButton.innerHTML = `<i class="fas fa-trash"></i>`;
trashButton.classList.add("trash-btn");
todoDiv.appendChild(trashButton);
//attach final Todo
todoList.appendChild(todoDiv);
}
function deleteTodo(e) {
const item = e.target;
const todo = item.parentElement;
const id = todo.getAttribute("key");
if (item.classList[0] === "trash-btn") {
// e.target.parentElement.remove();
todo.classList.add("fall");
//at the end
removeLocalTodos(id);
todo.addEventListener("transitionend", (e) => {
todo.remove();
});
}
if (item.classList[0] === "complete-btn") {
todo.classList.toggle("completed");
let status = "";
if (todo.classList.contains("completed")) {
status = "completed";
}
saveStatus(id, status);
}
//Prevent natural behaviour
e.preventDefault();
if (todoInput.value === "") {
alert("Fill the box");
return;
}
//Create todo div
const todoDiv = document.createElement("div");
todoDiv.classList.add("todo");
//Create list
const newTodo = document.createElement("li");
newTodo.innerText = todoInput.value;
//Save to local - do this last
//Save to local
saveLocalTodos(todoInput.value);
//
newTodo.classList.add("todo-item");
todoDiv.appendChild(newTodo);
todoInput.value = "";
//Create Completed Button
const completedButton = document.createElement("button");
completedButton.innerHTML = `<i class="fas fa-check"></i>`;
completedButton.classList.add("complete-btn");
todoDiv.appendChild(completedButton);
//Create trash button
const trashButton = document.createElement("button");
trashButton.innerHTML = `<i class="fas fa-trash"></i>`;
trashButton.classList.add("trash-btn");
todoDiv.appendChild(trashButton);
//attach final Todo
todoList.appendChild(todoDiv);
}
function deleteTodo(e) {
const item = e.target;
if (item.classList[0] === "trash-btn") {
// e.target.parentElement.remove();
const todo = item.parentElement;
todo.classList.add("fall");
//at the end
removeLocalTodos(todo);
todo.addEventListener("transitionend", (e) => {
todo.remove();
});
}
if (item.classList[0] === "complete-btn") {
const todo = item.parentElement;
todo.classList.toggle("completed");
const status = "completed";
const id = todo.getAttribute("key");
saveStatus(id, status);
}
}
//save the status of the task -> and persist by saving it to the localstorage
function saveStatus(id, status) {
const todos = getItemFromLocalStorage();
const intId = Number(id);
const newTodo = todos.find((todo) => todo.id === intId);
const newStatus =
newTodo.status === "incomplete" ? "completed" : "incomplete";
const todoIndex = todos.indexOf(newTodo);
todos.splice(todoIndex, 1);
newTodo.status = newStatus;
todos.splice(todoIndex, 0, newTodo);
localStorage.setItem("todos", JSON.stringify(todos));
}
function filterTodo(e) {
const todos = todoList.childNodes;
todos.forEach((todo) => {
// console.log(e.target.value);
if (
e.target.value === "completed" &&
todo.classList.contains("completed")
) {
todo.style.display = "flex";
} else if (
e.target.value === "completed" &&
!todo.classList.contains("completed")
) {
todo.style.display = "none";
} else if (
e.target.value === "incomplete" &&
!todo.classList.contains("completed")
) {
todo.style.display = "flex";
} else if (
e.target.value === "incomplete" &&
!todo.classList.contains("incomplete")
) {
todo.style.display = "none";
} else {
todo.style.display = "flex";
}
});
}
//save the task to the local storage
function saveLocalTodos(todo) {
let todos = getItemFromLocalStorage();
todos.push(todo);
localStorage.setItem("todos", JSON.stringify(todos));
}
//function to delete a task
function removeLocalTodos(id) {
const intId = Number(id);
let todos = getItemFromLocalStorage();
const newTodo = todos.filter((todo) => todo.id !== intId);
localStorage.setItem("todos", JSON.stringify(newTodo));
}
//function to toggle display
function editTodo(todo, todoDiv) {
for (let i = 0; i < todoDiv.children.length; i++) {
if (i == 1) {
todoDiv.children[i].classList.remove("hide");
} else {
todoDiv.children[i].classList.add("hide");
}
}
const editBtn = document.getElementById(`editBtn-` + `${todo.id}`);
editBtn.addEventListener("click", () => editTask(todo, todoDiv));
}
function editTask(todo, todoDiv) {
let todos = getItemFromLocalStorage();
const editInput = document.getElementById(`edit-` + `${todo.id}`).value;
if (editInput === "") {
//alert("Fill the box");
openmodal("red", "Fill the box");
return;
}
todos.forEach((t) => {
if (t.id == todo.id) {
t.task = editInput;
}
});
localStorage.setItem("todos", JSON.stringify(todos));
todoDiv.children[0].innerText = editInput;
}
function isDuplicate(){
let todos = getItemFromLocalStorage();
let tasks = [];
for (var i = 0; i < todos.length; i++){
tasks.push(todos[i].task);
}
return tasks.includes(todoInput.value);
}
function getTodos() {
let todos = getItemFromLocalStorage();
todos.forEach(function (todo) {
//Create todo div
const todoDiv = document.createElement("div");
todoDiv.classList.add("todo");
if (todo.status === "completed") {
todoDiv.classList.add("completed");
}
todoDiv.setAttribute("key", todo.id);
//Create list
const newTodo = document.createElement("li");
newTodo.innerText = todo.task;
newTodo.classList.add("todo-item");
todoDiv.appendChild(newTodo);
//Create Completed Button
const completedButton = document.createElement("button");
completedButton.innerHTML = `<i class="fas fa-check"></i>`;
completedButton.classList.add("complete-btn");
todoDiv.appendChild(completedButton);
//Create trash button
const trashButton = document.createElement("button");
trashButton.innerHTML = `<i class="fas fa-trash"></i>`;
trashButton.classList.add("trash-btn");
todoDiv.appendChild(trashButton);
//attach final Todo
todoList.appendChild(todoDiv);
});
}
// function filterTodo(e) {
// const todos = todoList.childNodes;
// todos.forEach(function(todo) {
// switch (e.target.value) {
// case "all":
// todo.style.display = "flex";
// break;
// case "completed":
// if (todo.classList.contains("completed")) {
// todo.style.display = "flex";
// } else {
// todo.style.display = "none";
// }
// break;
// case "incomplete":
// if (!todo.classList.contains("completed")) {
// todo.style.display = "flex";
// } else {
// todo.style.display = "none";
// }
// }
// });
// }
function saveLocalTodos(todo) {
let todos;
if (localStorage.getItem("todos") === null) {
todos = [];
} else {
todos = JSON.parse(localStorage.getItem("todos"));
}
todos.push(todo);
localStorage.setItem("todos", JSON.stringify(todos));
}
function removeLocalTodos(todo) {
let todos;
if (localStorage.getItem("todos") === null) {
todos = [];
} else {
todos = JSON.parse(localStorage.getItem("todos"));
}
const todoIndex = todo.children[0].innerText;
todos.splice(todos.indexOf(todoIndex), 1);
localStorage.setItem("todos", JSON.stringify(todos));
}
function getTodos() {
let todos;
if (localStorage.getItem("todos") === null) {
todos = [];
} else {
todos = JSON.parse(localStorage.getItem("todos"));
}
todos.forEach(function (todo) {
//Create todo div
const todoDiv = document.createElement("div");
todoDiv.classList.add("todo");
if (todo.status == "completed") {
todoDiv.classList.toggle("completed");
}
//Create list
const newTodo = document.createElement("li");
newTodo.innerText = todo.task;
newTodo.classList.add("todo-item");
todoDiv.appendChild(newTodo);
todoInput.value = "";
//input box
const edit = document.createElement("div");
edit.innerHTML =
` <form class="editform">
<input type="text" placeholder=` +
`"${todo.task}"` +
`id="` +
`edit-${todo.id}` +
`" required />
<div class="editDiv" style="margin:auto;">
<button id="editBtn-` +
`${todo.id}` +
`" type="submit">
<i class="fas fa-plus-square"></i>
</button>
</div>
</form>`;
edit.classList.add("hide");
todoDiv.appendChild(edit);
//Create Completed Button
const completedButton = document.createElement("button");
completedButton.innerHTML = `<i class="fas fa-check"></i>`;
completedButton.classList.add("complete-btn");
todoDiv.appendChild(completedButton);
//Create edit button
const editButton = document.createElement("button");
editButton.innerHTML = `<i class="fas fa-pen"></i>`;
editButton.classList.add("edit-btn");
editButton.addEventListener("click", () => editTodo(todo, todoDiv));
todoDiv.appendChild(editButton);
//Create trash button
const trashButton = document.createElement("button");
trashButton.innerHTML = `<i class="fas fa-trash"></i>`;
trashButton.classList.add("trash-btn");
todoDiv.setAttribute("key", todo.id);
todoDiv.appendChild(trashButton);
//attach final Todo
todoList.appendChild(todoDiv);
});
}
function deleteAll() {
[...document.getElementsByClassName("todo")].map((n) => n && n.remove());
localStorage.removeItem("todos");
}
function openmodal(color, message) {
//pass color as either 'red' (for error), 'blue' for info and 'green' for success
console.log("in");
document.getElementById("content").classList.add(color);
document.getElementById("modal-text").innerText = message;
document.getElementById("Modal").classList.add("true");
}
function closemodal() {
document.getElementById("Modal").classList.remove("true");
}
var today = new Date();
var date = today.toString();
document.getElementById("d1").innerHTML = date;