cspace-ui
Version:
CollectionSpace user interface for browsers
195 lines (194 loc) • 6.92 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _react = _interopRequireWildcard(require("react"));
var _propTypes = _interopRequireDefault(require("prop-types"));
var _reactIntl = require("react-intl");
var _cspaceInput = require("cspace-input");
var _PageSizeChooser = _interopRequireDefault(require("./PageSizeChooser"));
var _Pager = _interopRequireDefault(require("../../../styles/cspace-ui/Pager.css"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
function _interopRequireWildcard(e, t) { if ("function" == typeof WeakMap) var r = new WeakMap(), n = new WeakMap(); return (_interopRequireWildcard = function (e, t) { if (!t && e && e.__esModule) return e; var o, i, f = { __proto__: null, default: e }; if (null === e || "object" != typeof e && "function" != typeof e) return f; if (o = t ? n : r) { if (o.has(e)) return o.get(e); o.set(e, f); } for (const t in e) "default" !== t && {}.hasOwnProperty.call(e, t) && ((i = (o = Object.defineProperty) && Object.getOwnPropertyDescriptor(e, t)) && (i.get || i.set) ? o(f, t, i) : f[t] = e[t]); return f; })(e, t); }
const {
MiniButton
} = _cspaceInput.baseComponents;
const messages = (0, _reactIntl.defineMessages)({
previousLabel: {
"id": "pager.previous",
"defaultMessage": "<"
},
nextLabel: {
"id": "pager.next",
"defaultMessage": ">"
},
gap: {
"id": "pager.gap",
"defaultMessage": "..."
}
});
const propTypes = {
currentPage: _propTypes.default.number.isRequired,
lastPage: _propTypes.default.number.isRequired,
pageSize: _propTypes.default.number.isRequired,
pageSizeOptionListName: _propTypes.default.string,
windowSize: _propTypes.default.number,
onPageChange: _propTypes.default.func,
onPageSizeChange: _propTypes.default.func
};
const defaultProps = {
windowSize: 5
};
class Pager extends _react.Component {
constructor() {
super();
this.handleNextButtonClick = this.handleNextButtonClick.bind(this);
this.handlePageButtonClick = this.handlePageButtonClick.bind(this);
this.handlePrevButtonClick = this.handlePrevButtonClick.bind(this);
}
handleNextButtonClick() {
const {
currentPage,
onPageChange
} = this.props;
if (onPageChange) {
onPageChange(currentPage + 1);
}
}
handlePageButtonClick(event) {
const {
onPageChange
} = this.props;
if (onPageChange) {
const {
pagenum: pageNum
} = event.currentTarget.dataset;
onPageChange(parseInt(pageNum, 10));
}
}
handlePrevButtonClick() {
const {
currentPage,
onPageChange
} = this.props;
if (onPageChange) {
onPageChange(currentPage - 1);
}
}
renderPages() {
const {
currentPage,
lastPage,
windowSize
} = this.props;
const pageCount = lastPage + 1;
let windowStart = 0;
let windowEnd = lastPage;
if (windowSize < pageCount) {
let beforeWindowSize = Math.floor((windowSize - 1) / 2);
let afterWindowSize = windowSize - 1 - beforeWindowSize;
if (beforeWindowSize > currentPage) {
const offset = beforeWindowSize - currentPage;
beforeWindowSize -= offset;
afterWindowSize += offset;
} else if (currentPage + afterWindowSize > lastPage) {
const offset = currentPage + afterWindowSize - lastPage;
beforeWindowSize += offset;
afterWindowSize -= offset;
}
windowStart = currentPage - beforeWindowSize;
windowEnd = currentPage + afterWindowSize;
}
const pages = [];
if (windowStart > 0) {
pages.push({
pageNum: 0,
label: /*#__PURE__*/_react.default.createElement(_reactIntl.FormattedNumber, {
value: 1
})
});
const gap = windowStart;
if (gap > 2) {
const gapMiddle = windowStart - Math.floor(windowStart / 2);
pages.push({
pageNum: gapMiddle,
label: /*#__PURE__*/_react.default.createElement(_reactIntl.FormattedMessage, messages.gap)
});
} else if (gap > 1) {
pages.push({
pageNum: 1,
label: /*#__PURE__*/_react.default.createElement(_reactIntl.FormattedNumber, {
value: 2
})
});
}
}
for (let pageNum = windowStart; pageNum <= windowEnd; pageNum += 1) {
pages.push({
pageNum,
label: /*#__PURE__*/_react.default.createElement(_reactIntl.FormattedNumber, {
value: pageNum + 1
})
});
}
if (windowEnd < lastPage) {
const gap = lastPage - windowEnd;
if (gap > 2) {
const gapMiddle = windowEnd + Math.ceil((lastPage - windowEnd) / 2);
pages.push({
pageNum: gapMiddle,
label: /*#__PURE__*/_react.default.createElement(_reactIntl.FormattedMessage, messages.gap)
});
} else if (gap > 1) {
pages.push({
pageNum: lastPage - 1,
label: /*#__PURE__*/_react.default.createElement(_reactIntl.FormattedNumber, {
value: lastPage
})
});
}
pages.push({
pageNum: lastPage,
label: /*#__PURE__*/_react.default.createElement(_reactIntl.FormattedNumber, {
value: lastPage + 1
})
});
}
const items = pages.map(page => /*#__PURE__*/_react.default.createElement("li", {
key: page.pageNum,
className: page.pageNum === currentPage ? _Pager.default.current : ''
}, /*#__PURE__*/_react.default.createElement(MiniButton, {
"data-pagenum": page.pageNum,
disabled: page.pageNum === currentPage,
onClick: this.handlePageButtonClick
}, page.label)));
return /*#__PURE__*/_react.default.createElement("ul", null, items);
}
render() {
const {
currentPage,
lastPage,
pageSize,
pageSizeOptionListName,
onPageSizeChange
} = this.props;
return /*#__PURE__*/_react.default.createElement("div", {
className: _Pager.default.common
}, /*#__PURE__*/_react.default.createElement(_PageSizeChooser.default, {
embedded: true,
pageSize: pageSize,
pageSizeOptionListName: pageSizeOptionListName,
onPageSizeChange: onPageSizeChange
}), /*#__PURE__*/_react.default.createElement("nav", null, /*#__PURE__*/_react.default.createElement(MiniButton, {
disabled: currentPage === 0,
onClick: this.handlePrevButtonClick
}, /*#__PURE__*/_react.default.createElement(_reactIntl.FormattedMessage, messages.previousLabel)), this.renderPages(), /*#__PURE__*/_react.default.createElement(MiniButton, {
disabled: currentPage === lastPage,
onClick: this.handleNextButtonClick
}, /*#__PURE__*/_react.default.createElement(_reactIntl.FormattedMessage, messages.nextLabel))));
}
}
exports.default = Pager;
Pager.propTypes = propTypes;
Pager.defaultProps = defaultProps;