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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,74 @@ | ||
| import { useContext } from 'react'; | ||
| import { | ||
| TodosContext, | ||
| TodosDispatchContext, | ||
| } from '../TodoAppContext/TodoAppContext'; | ||
| import classNames from 'classnames'; | ||
| import { TodoStatus } from '../../types/TodoStatus'; | ||
|
|
||
| export const Footer: React.FC = () => { | ||
| const { todos, filterStatus } = useContext(TodosContext); | ||
| const dispatch = useContext(TodosDispatchContext); | ||
| const uncomletedTodos = todos.filter(todo => !todo.completed); | ||
|
|
||
| return ( | ||
| <footer className="todoapp__footer" data-cy="Footer"> | ||
| <span className="todo-count" data-cy="TodosCounter"> | ||
| {uncomletedTodos.length + ' items left'} | ||
| </span> | ||
|
|
||
| {/* Active link should have the 'selected' class */} | ||
| <nav className="filter" data-cy="Filter"> | ||
| <a | ||
| href="#/" | ||
| className={classNames('filter__link', { | ||
| selected: filterStatus === TodoStatus.All, | ||
| })} | ||
| data-cy="FilterLinkAll" | ||
| onClick={() => | ||
| dispatch({ type: 'filterBy', payload: TodoStatus.All }) | ||
| } | ||
| > | ||
| All | ||
| </a> | ||
|
|
||
| <a | ||
| href="#/active" | ||
| className={classNames('filter__link', { | ||
| selected: filterStatus === TodoStatus.Active, | ||
| })} | ||
| data-cy="FilterLinkActive" | ||
| onClick={() => | ||
| dispatch({ type: 'filterBy', payload: TodoStatus.Active }) | ||
| } | ||
| > | ||
| Active | ||
| </a> | ||
|
|
||
| <a | ||
| href="#/completed" | ||
| className={classNames('filter__link', { | ||
| selected: filterStatus === TodoStatus.Completed, | ||
| })} | ||
| data-cy="FilterLinkCompleted" | ||
| onClick={() => | ||
| dispatch({ type: 'filterBy', payload: TodoStatus.Completed }) | ||
| } | ||
| > | ||
| Completed | ||
| </a> | ||
| </nav> | ||
|
|
||
| {/* this button should be disabled if there are no completed todos */} | ||
| <button | ||
| type="button" | ||
| className="todoapp__clear-completed" | ||
| data-cy="ClearCompletedButton" | ||
| disabled={todos.length === uncomletedTodos.length} | ||
| onClick={() => dispatch({ type: 'deleteCompletedTodos' })} | ||
| > | ||
| Clear completed | ||
| </button> | ||
| </footer> | ||
| ); | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,73 @@ | ||
| import { useContext, useEffect, useRef, useState } from 'react'; | ||
| import { | ||
| TodosContext, | ||
| TodosDispatchContext, | ||
| } from '../TodoAppContext/TodoAppContext'; | ||
| import classNames from 'classnames'; | ||
| import { Todo } from '../../types/Todo'; | ||
|
|
||
| export const Header: React.FC = () => { | ||
| const [title, setTitle] = useState(''); | ||
| const dispatch = useContext(TodosDispatchContext); | ||
| const { todos } = useContext(TodosContext); | ||
| const [isSubmitting, setIsSubmitting] = useState(false); | ||
| const completedTodosLength = todos.filter(el => el.completed).length; | ||
| const field = useRef<HTMLInputElement>(null); | ||
|
|
||
| useEffect(() => { | ||
| field.current?.focus(); | ||
| }, [isSubmitting, todos]); | ||
|
|
||
| const handleAdd = (e: React.FormEvent) => { | ||
| e.preventDefault(); | ||
| setIsSubmitting(true); | ||
|
|
||
| if (!title.trim()) { | ||
| return; | ||
| } | ||
|
|
||
| const newTodo: Todo = { | ||
| id: +new Date(), | ||
| title: title.trim(), | ||
| completed: false, | ||
| }; | ||
|
|
||
| dispatch({ | ||
| type: 'addTodo', | ||
| payload: newTodo, | ||
| }); | ||
| setTitle(''); | ||
| setIsSubmitting(false); | ||
| }; | ||
|
|
||
| return ( | ||
| <header className="todoapp__header"> | ||
| {/* this button should have `active` class only if all todos are completed */} | ||
| {todos.length !== 0 && ( | ||
| <button | ||
| type="button" | ||
| className={classNames('todoapp__toggle-all', { | ||
| active: todos.length === completedTodosLength, | ||
| })} | ||
| data-cy="ToggleAllButton" | ||
| onClick={() => { | ||
| dispatch({ type: 'toggleAllStatuses' }); | ||
| }} | ||
| /> | ||
| )} | ||
|
|
||
| {/* Add a todo on form submit */} | ||
| <form onSubmit={handleAdd}> | ||
| <input | ||
| data-cy="NewTodoField" | ||
| type="text" | ||
| className="todoapp__new-todo" | ||
| placeholder="What needs to be done?" | ||
| ref={field} | ||
| value={title} | ||
| onChange={e => setTitle(e.target.value)} | ||
| /> | ||
| </form> | ||
| </header> | ||
| ); | ||
| }; |
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