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R4.01/TP4/EX1/todo-app.riot
2025-08-28 14:34:18 +02:00

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<todo-app>
<h1>Ma Todo List</h1>
<form onsubmit="{ addTodo }">
<input type="text" placeholder="Ajouter une tâche..." value="{ state.newTodoText }">
<button type="submit">Ajouter</button>
</form>
<div class="filters">
<button onclick="{ () => filter('all') }">Toutes ({ state.todos.length })</button>
<button onclick="{ () => filter('active') }">Actives ({ state.activeTodosCount })</button>
<button onclick="{ () => filter('done') }">Terminées ({ state.doneTodosCount })</button>
<button onclick="{ clearDone }" disabled="{ state.doneTodosCount === 0 }">
Effacer les terminées
</button>
</div>
<ul>
<li each="{ todo in state.filteredTodos }" class="{ done: todo.done }">
<input type="checkbox" checked="{ todo.done }" onchange="{ () => toggleTodo(todo.id) }">
<span ondblclick="{ () => editTodo(todo.id) }">{ todo.text }</span>
<button onclick="{ () => deleteTodo(todo.id) }">X</button>
</li>
</ul>
<style>
.done { text-decoration: line-through; color: #999; }
button[disabled] { cursor: not-allowed; opacity: 0.5; }
</style>
<script>
export default {
onMounted() {
this.loadTodos();
},
loadTodos() {
const savedTodos = localStorage.getItem('todos');
this.update({ todos: savedTodos ? JSON.parse(savedTodos) : [], filter: 'all' });
this.updateCounts();
},
saveTodos() {
localStorage.setItem('todos', JSON.stringify(this.state.todos));
this.updateCounts();
},
updateCounts() {
const activeTodosCount = this.state.todos.filter(t => !t.done).length;
const doneTodosCount = this.state.todos.filter(t => t.done).length;
this.update({ activeTodosCount, doneTodosCount, filteredTodos: this.getFilteredTodos() });
},
getFilteredTodos() {
if (this.state.filter === 'active') {
return this.state.todos.filter(todo => !todo.done);
} else if (this.state.filter === 'done') {
return this.state.todos.filter(todo => todo.done);
}
return this.state.todos;
},
addTodo(e) {
e.preventDefault();
const text = this.state.newTodoText.trim();
if (text) {
const newTodo = { id: Date.now(), text, done: false };
this.update({ todos: [...this.state.todos, newTodo], newTodoText: '' });
this.saveTodos();
}
},
deleteTodo(id) {
this.update({ todos: this.state.todos.filter(t => t.id !== id) });
this.saveTodos();
},
toggleTodo(id) {
const updatedTodos = this.state.todos.map(t =>
t.id === id ? { ...t, done: !t.done } : t
);
this.update({ todos: updatedTodos });
this.saveTodos();
},
clearDone() {
this.update({ todos: this.state.todos.filter(t => !t.done) });
this.saveTodos();
},
filter(type) {
this.update({ filter: type });
this.updateCounts();
}
}
</script>
</todo-app>