grommet
Version:
focus on the essential experience
230 lines (228 loc) • 9.31 kB
JavaScript
var _excluded = ["as", "children", "data", "margin", "onMore", "pad", "paginate", "show", "size", "step", "sizeKey", "onOrder"],
_excluded2 = ["keyboard"];
function _extends() { return _extends = Object.assign ? Object.assign.bind() : function (n) { for (var e = 1; e < arguments.length; e++) { var t = arguments[e]; for (var r in t) ({}).hasOwnProperty.call(t, r) && (n[r] = t[r]); } return n; }, _extends.apply(null, arguments); }
function _objectWithoutPropertiesLoose(r, e) { if (null == r) return {}; var t = {}; for (var n in r) if ({}.hasOwnProperty.call(r, n)) { if (-1 !== e.indexOf(n)) continue; t[n] = r[n]; } return t; }
import React, { Fragment, useContext, useState } from 'react';
import styled from 'styled-components';
import { AnnounceContext } from '../../contexts/AnnounceContext';
import { DataContext } from '../../contexts/DataContext';
import { MessageContext } from '../../contexts/MessageContext';
import { Box } from '../Box';
import { Card } from '../Card';
import { CardBody } from '../CardBody';
import { Grid } from '../Grid';
import { InfiniteScroll } from '../InfiniteScroll';
import { Keyboard } from '../Keyboard';
import { Pagination } from '../Pagination';
import { normalizeShow, useId, usePagination } from '../../utils';
import { CardsPropTypes } from './propTypes';
import { useThemeValue } from '../../utils/useThemeValue';
import { StyledCellContainer } from './StyledCellContainer';
var emptyData = [];
var HiddenText = styled.span.withConfig({
displayName: "Cards__HiddenText",
componentId: "sc-1f9ilr5-0"
})(["position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;"]);
var indexForItem = function indexForItem(data, item) {
var index = data.indexOf(item);
if (index === -1) {
// If the item isn't in the data, try to find it by id. This allows for
// reordering to work when the items provided to Cards are different objects
// than those in the data array, as long as they share an id.
return data.findIndex(function (d) {
return d.id === item.id;
});
}
return index;
};
var reorder = function reorder(array, source, target) {
var result = array.slice(0);
var tmp = result[source];
if (source < target) for (var i = source; i < target; i += 1) result[i] = result[i + 1];else for (var _i = source; _i > target; _i -= 1) result[_i] = result[_i - 1];
result[target] = tmp;
return result;
};
var Cards = /*#__PURE__*/React.forwardRef(function (_ref, ref) {
var _ref$as = _ref.as,
as = _ref$as === void 0 ? 'ul' : _ref$as,
children = _ref.children,
dataProp = _ref.data,
margin = _ref.margin,
onMore = _ref.onMore,
pad = _ref.pad,
paginate = _ref.paginate,
showProp = _ref.show,
size = _ref.size,
_ref$step = _ref.step,
step = _ref$step === void 0 ? paginate ? 50 : undefined : _ref$step,
sizeKey = _ref.sizeKey,
onOrder = _ref.onOrder,
rest = _objectWithoutPropertiesLoose(_ref, _excluded);
var _useThemeValue = useThemeValue(),
theme = _useThemeValue.theme;
var announce = useContext(AnnounceContext);
var _useContext = useContext(MessageContext),
format = _useContext.format;
var _useContext2 = useContext(DataContext),
contextData = _useContext2.data,
unfilteredData = _useContext2.unfilteredData;
var data = dataProp || contextData || emptyData;
var unfiltered = unfilteredData || data;
var _usePagination = usePagination(_extends({
data: data,
page: normalizeShow(showProp, step),
step: step
}, paginate)),
items = _usePagination[0],
paginationProps = _usePagination[1];
var Container = paginate ? Box : Fragment;
var containerProps = paginate ? _extends({}, theme.cards.container, {
pad: pad,
margin: margin
}) : undefined;
var _useState = useState(),
dragging = _useState[0],
setDragging = _useState[1];
var _useState2 = useState(),
orderedData = _useState2[0],
setOrderedData = _useState2[1];
var _useState3 = useState(),
unfilteredOrder = _useState3[0],
setUnfilteredOrder = _useState3[1];
var hintId = useId();
var currentItems = orderedData || (!paginate ? data : items);
var renderItem = function renderItem(item, index) {
var move = function move(count) {
var newIndex = Math.max(0, Math.min(index + count, currentItems.length - 1));
onOrder(reorder(unfiltered, indexForItem(unfiltered, item), indexForItem(unfiltered, currentItems[newIndex])));
announce(format({
id: 'cards.moved',
values: {
source: newIndex + 1,
target: currentItems.length
}
}));
};
var onOrderProps = onOrder ? {
tabIndex: 0,
'aria-roledescription': format({
id: 'cards.description'
}),
'aria-describedby': hintId,
draggable: true,
onDragStart: function onDragStart(event) {
event.dataTransfer.setData('text/plain', '');
// allowed per
// https://developer.mozilla.org/en-US/docs/Web/API/HTML_Drag_and_Drop_API#define_the_drag_effect
// eslint-disable-next-line no-param-reassign
event.dataTransfer.effectAllowed = 'move';
setDragging(index);
},
onDragEnd: function onDragEnd() {
setDragging(undefined);
setOrderedData(undefined);
setUnfilteredOrder(undefined);
},
onDragEnter: function onDragEnter(event) {
if (dragging !== undefined && dragging !== index) {
// Ignore synthetic re-fires caused by entering
// a child of this element
if (event.currentTarget.contains(event.relatedTarget)) return;
// eslint-disable-next-line no-param-reassign
event.dataTransfer.dropEffect = 'move';
setUnfilteredOrder(reorder(unfiltered, indexForItem(unfiltered, currentItems[dragging]), indexForItem(unfiltered, item)));
setOrderedData(reorder(currentItems, dragging, index));
setDragging(index);
}
},
onDragOver: function onDragOver(event) {
if (dragging !== undefined) {
// preventDefault is required to allow the drop to occur
event.preventDefault();
}
},
onDrop: function onDrop() {
if (unfilteredOrder) {
onOrder(unfilteredOrder);
}
},
keyboard: {
onUp: function onUp(event) {
event.preventDefault();
move(-1);
},
onDown: function onDown(event) {
event.preventDefault();
move(1);
},
onLeft: function onLeft(event) {
event.preventDefault();
move(-1);
},
onRight: function onRight(event) {
event.preventDefault();
move(1);
}
}
} : {};
var keyboard = onOrderProps.keyboard,
wrapperProps = _objectWithoutPropertiesLoose(onOrderProps, _excluded2);
var content;
if (children) {
content = children(item, index);
} else {
var _ref2, _ref3;
content = /*#__PURE__*/React.createElement(Card, {
key: item.id || index.toString(),
as: !(onOrder || sizeKey) && as === 'ul' ? 'li' : undefined
}, /*#__PURE__*/React.createElement(CardBody, null, (_ref2 = (_ref3 = typeof item === 'string' && item) != null ? _ref3 : typeof item === 'object' && Object.values(item)[0]) != null ? _ref2 : index));
}
// If the items are orderable or sized by a property, wrap them in a
// StyledCellContainer to apply the drag and drop handlers and/or
// size styles
if (onOrder || sizeKey) {
var round = theme.card.container.round;
content = /*#__PURE__*/React.createElement(StyledCellContainer, _extends({
key: "_container_" + ((item == null ? void 0 : item.id) || index),
as: as === 'ul' ? 'li' : undefined
}, wrapperProps, {
size: sizeKey ? item[sizeKey] : undefined,
round: round
}), content);
}
// Keyboard is only applied if onOrder is provided
return keyboard ? /*#__PURE__*/React.createElement(Keyboard, _extends({
key: "_keyboard_" + ((item == null ? void 0 : item.id) || index)
}, keyboard), content) : content;
};
return /*#__PURE__*/React.createElement(Container, containerProps, onOrder && /*#__PURE__*/React.createElement(HiddenText, {
id: hintId
}, format({
id: 'cards.reorderHint'
})), /*#__PURE__*/React.createElement(Grid, _extends({
ref: ref,
as: as,
gap: theme.cards.grid.gap,
columns: size || theme.cards.grid.columns,
margin: !paginate && margin || 'none',
pad: !paginate && pad || 'none'
}, rest), /*#__PURE__*/React.createElement(InfiniteScroll, {
items: currentItems,
onMore: onMore,
show: !paginate ? showProp : undefined,
step: step,
renderMarker: function renderMarker(marker) {
return /*#__PURE__*/React.createElement(Box, {
as: "li",
flex: false
}, marker);
}
}, function (item, index) {
return renderItem(item, index);
})), paginate && data.length > step && items && items.length ? /*#__PURE__*/React.createElement(Pagination, _extends({
alignSelf: "end"
}, paginationProps)) : null);
});
Cards.displayName = 'Cards';
Cards.propTypes = CardsPropTypes;
export { Cards };