react-form-builder-devextreme
Version:
A complete form builder for react. Some changes to design
144 lines (129 loc) • 6.41 kB
JavaScript
;
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
var _typeof = require("@babel/runtime/helpers/typeof");
Object.defineProperty(exports, "__esModule", {
value: true
});
exports["default"] = _default;
var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));
var _slicedToArray2 = _interopRequireDefault(require("@babel/runtime/helpers/slicedToArray"));
var _objectWithoutProperties2 = _interopRequireDefault(require("@babel/runtime/helpers/objectWithoutProperties"));
var _react = _interopRequireWildcard(require("react"));
var _propTypes = _interopRequireDefault(require("prop-types"));
var _reactDnd = require("react-dnd");
var _ItemTypes = _interopRequireDefault(require("./ItemTypes"));
var _reactDom = require("react-dom");
var _excluded = ["id", "index", "moveCard"];
function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(e) { return e ? t : r; })(e); }
function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != _typeof(e) && "function" != typeof e) return { "default": e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && Object.prototype.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n["default"] = e, t && t.set(e, n), n; }
function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { (0, _defineProperty2["default"])(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
var style = {
border: '1px dashed gray',
padding: '0.5rem 1rem',
marginBottom: '.5rem',
backgroundColor: 'white',
cursor: 'pointer'
};
function _default(ComposedComponent) {
var Card = function Card(_ref) {
var id = _ref.id,
index = _ref.index,
moveCard = _ref.moveCard,
props = (0, _objectWithoutProperties2["default"])(_ref, _excluded);
var ref = (0, _react.useRef)(null);
var _useDrop = (0, _reactDnd.useDrop)({
accept: [_ItemTypes["default"].CARD, _ItemTypes["default"].BOX],
hover: function hover(item, monitor) {
if (!ref.current) {
return;
}
var dragIndex = item.index;
var hoverIndex = index;
// Don't replace items with themselves
if (dragIndex === hoverIndex) {
return;
}
// Determine rectangle on screen
var hoverBoundingRect = (0, _reactDom.findDOMNode)(ref.current).getBoundingClientRect();
// Get vertical middle
var hoverMiddleY = (hoverBoundingRect.bottom - hoverBoundingRect.top) / 2;
// Determine mouse position
var clientOffset = monitor.getClientOffset();
// Get pixels to the top
var hoverClientY = clientOffset.y - hoverBoundingRect.top;
// Only perform the move when the mouse has crossed half of the items height
if (dragIndex < hoverIndex && hoverClientY < hoverMiddleY) {
return;
}
if (dragIndex > hoverIndex && hoverClientY > hoverMiddleY) {
return;
}
// Time to actually perform the action
moveCard(dragIndex, hoverIndex);
item.index = hoverIndex;
},
drop: function drop(item, monitor) {
if (!ref.current) {
return;
}
var dragIndex = item.index;
var hoverIndex = index;
// Don't replace items with themselves
if (dragIndex === hoverIndex) {
return;
}
// Determine rectangle on screen
var hoverBoundingRect = (0, _reactDom.findDOMNode)(ref.current).getBoundingClientRect();
// Get vertical middle
var hoverMiddleY = (hoverBoundingRect.bottom - hoverBoundingRect.top) / 2;
// Determine mouse position
var clientOffset = monitor.getClientOffset();
// Get pixels to the top
var hoverClientY = clientOffset.y - hoverBoundingRect.top;
// Only perform the move when the mouse has crossed half of the items height
if (dragIndex < hoverIndex && hoverClientY < hoverMiddleY) {
return;
}
if (dragIndex > hoverIndex && hoverClientY > hoverMiddleY) {
return;
}
moveCard(hoverIndex, dragIndex);
item.index = hoverIndex;
// (cardTarget.drop logic goes here)
}
}),
_useDrop2 = (0, _slicedToArray2["default"])(_useDrop, 2),
drop = _useDrop2[1];
var _useDrag = (0, _reactDnd.useDrag)({
type: _ItemTypes["default"].CARD,
item: {
id: id,
index: index
},
collect: function collect(monitor) {
return {
isDragging: monitor.isDragging()
};
}
}),
_useDrag2 = (0, _slicedToArray2["default"])(_useDrag, 3),
isDragging = _useDrag2[0].isDragging,
drag = _useDrag2[1],
preview = _useDrag2[2];
drag(drop(ref));
var opacity = isDragging ? 0 : 1;
return /*#__PURE__*/_react["default"].createElement("div", {
ref: ref,
style: _objectSpread(_objectSpread({}, style), {}, {
opacity: opacity
})
}, /*#__PURE__*/_react["default"].createElement(ComposedComponent, props));
};
Card.propTypes = {
id: _propTypes["default"].any.isRequired,
index: _propTypes["default"].number.isRequired,
moveCard: _propTypes["default"].func.isRequired
};
return Card;
}