cpui-components/lib/components/Paginator/PageLinks.js

'use strict';

Object.defineProperty(exports, "__esModule", {
    value: true
});
exports.PageLinks = undefined;

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

var _react = require('react');

var _react2 = _interopRequireDefault(_react);

var _propTypes = require('prop-types');

var _propTypes2 = _interopRequireDefault(_propTypes);

var _classnames = require('classnames');

var _classnames2 = _interopRequireDefault(_classnames);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

var PageLinks = exports.PageLinks = function (_Component) {
    _inherits(PageLinks, _Component);

    function PageLinks() {
        _classCallCheck(this, PageLinks);

        return _possibleConstructorReturn(this, (PageLinks.__proto__ || Object.getPrototypeOf(PageLinks)).apply(this, arguments));
    }

    _createClass(PageLinks, [{
        key: 'onPageLinkClick',
        value: function onPageLinkClick(event, pageLink) {
            if (this.props.onClick) {
                this.props.onClick({
                    originalEvent: event,
                    value: pageLink
                });
            }

            event.preventDefault();
        }
    }, {
        key: 'render',
        value: function render() {
            var _this2 = this;

            var _props = this.props,
                page = _props.page,
                pageLinkSize = _props.pageLinkSize,
                totalRecords = _props.totalRecords,
                rows = _props.rows;

            var totalPages = Math.ceil(totalRecords / rows);
            var minPage = 1;
            var maxPage = totalPages;
            var maxDistance = 4;
            var startDotsAdded = false;
            var endDotsAdded = false;

            if (pageLinkSize && pageLinkSize < totalPages) {
                var rightLimit = 2;
                var leftLimit = 2;

                if (page < 5) {
                    maxPage = 5;
                    minPage = 1;
                } else if (page + maxDistance > totalPages) {
                    maxPage = totalPages;
                    minPage = totalPages - 4;
                } else {
                    minPage = page - leftLimit;
                    maxPage = page + rightLimit;
                }
            }

            var elements = this.props.value.map(function (pageLink, i) {
                var selected = pageLink === _this2.props.page;
                var pageClassName = (0, _classnames2.default)('Pagination__list__item', {
                    'is-selected': selected,
                    'cp-Pagination-arrow': false,
                    'is-inactive': false
                });

                if (!startDotsAdded && pageLinkSize && pageLinkSize < totalPages && page - maxDistance > 0) {
                    startDotsAdded = true;
                    return _react2.default.createElement(
                        'span',
                        null,
                        _react2.default.createElement(
                            'button',
                            { key: 1, id: 'page_1', className: pageClassName, onClick: function onClick(e) {
                                    return _this2.onPageLinkClick(e, 1);
                                } },
                            1
                        ),
                        _react2.default.createElement(
                            'span',
                            { key: 'beginning' },
                            '...'
                        )
                    );
                }

                if (pageLink >= minPage && pageLink <= maxPage) {
                    if (selected) {
                        return _react2.default.createElement(
                            'strong',
                            { key: pageLink, id: 'page_' + pageLink, className: pageClassName, onClick: function onClick(e) {
                                    return _this2.onPageLinkClick(e, pageLink);
                                } },
                            pageLink
                        );
                    } else {
                        return _react2.default.createElement(
                            'button',
                            { key: pageLink, id: 'page_' + pageLink, className: pageClassName, onClick: function onClick(e) {
                                    return _this2.onPageLinkClick(e, pageLink);
                                } },
                            pageLink
                        );
                    }
                }

                if (!endDotsAdded && pageLinkSize && pageLinkSize < totalPages && page + maxDistance <= totalPages) {
                    endDotsAdded = true;
                    return _react2.default.createElement(
                        'span',
                        null,
                        _react2.default.createElement(
                            'span',
                            { key: 'ending' },
                            '...'
                        ),
                        _react2.default.createElement(
                            'button',
                            { key: totalPages, className: pageClassName, onClick: function onClick(e) {
                                    return _this2.onPageLinkClick(e, totalPages);
                                } },
                            totalPages
                        )
                    );
                }

                return null;
            });

            return _react2.default.createElement(
                'span',
                { className: 'ui-paginator-pages' },
                elements
            );
        }
    }]);

    return PageLinks;
}(_react.Component);

PageLinks.defaultProps = {
    value: null,
    page: null,
    links: null,
    pageLinkSize: null,
    totalRecords: null,
    rows: null
};
PageLinks.propsTypes = {
    value: _propTypes2.default.array,
    page: _propTypes2.default.number,
    onClick: _propTypes2.default.func,
    pageLinkSize: _propTypes2.default.number,
    totalRecords: _propTypes2.default.number,
    rows: _propTypes2.default.number
};