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73 lines
1.8 KiB
JavaScript
Executable File
73 lines
1.8 KiB
JavaScript
Executable File
import React, { Component } from 'react';
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import PropTypes from 'prop-types';
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import classnames from 'classnames';
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import { SHOW_ALL, SHOW_MARKED, SHOW_UNMARKED } from '../constants/TodoFilters';
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const FILTER_TITLES = {
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[SHOW_ALL]: 'All',
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[SHOW_UNMARKED]: 'Active',
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[SHOW_MARKED]: 'Completed'
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};
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export default class Footer extends Component {
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static propTypes = {
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markedCount: PropTypes.number.isRequired,
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unmarkedCount: PropTypes.number.isRequired,
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filter: PropTypes.string.isRequired,
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onClearMarked: PropTypes.func.isRequired,
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onShow: PropTypes.func.isRequired
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};
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render() {
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return (
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<footer className="footer">
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{this.renderTodoCount()}
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<ul className="filters">
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{[SHOW_ALL, SHOW_UNMARKED, SHOW_MARKED].map(filter => (
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<li key={filter}>{this.renderFilterLink(filter)}</li>
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))}
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</ul>
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{this.renderClearButton()}
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</footer>
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);
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}
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renderTodoCount() {
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const { unmarkedCount } = this.props;
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const itemWord = unmarkedCount === 1 ? 'item' : 'items';
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return (
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<span className="todo-count">
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<strong>{unmarkedCount || 'No'}</strong> {itemWord} left
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</span>
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);
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}
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renderFilterLink(filter) {
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const title = FILTER_TITLES[filter];
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const { filter: selectedFilter, onShow } = this.props;
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return (
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<a
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className={classnames({ selected: filter === selectedFilter })}
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style={{ cursor: 'hand' }}
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onClick={() => onShow(filter)}
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>
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{title}
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</a>
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);
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}
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renderClearButton() {
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const { markedCount, onClearMarked } = this.props;
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if (markedCount > 0) {
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return (
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<button className="clear-completed" onClick={onClearMarked}>
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Clear completed
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</button>
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);
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}
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return null;
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}
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}
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