wix-style-react/dist/src/DragAndDrop/Draggable/components/DragLayer.js

wix-style-react

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = void 0;

var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck"));

var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass"));

var _assertThisInitialized2 = _interopRequireDefault(require("@babel/runtime/helpers/assertThisInitialized"));

var _inherits2 = _interopRequireDefault(require("@babel/runtime/helpers/inherits"));

var _possibleConstructorReturn2 = _interopRequireDefault(require("@babel/runtime/helpers/possibleConstructorReturn"));

var _getPrototypeOf2 = _interopRequireDefault(require("@babel/runtime/helpers/getPrototypeOf"));

var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));

var _react = _interopRequireDefault(require("react"));

var _reactPortal = require("react-portal");

var _propTypes = _interopRequireDefault(require("prop-types"));

var _reactDnd = require("react-dnd");

function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = (0, _getPrototypeOf2["default"])(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = (0, _getPrototypeOf2["default"])(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return (0, _possibleConstructorReturn2["default"])(this, result); }; }

function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }

/* eslint-disable new-cap */
var layerStyles = {
  position: 'fixed',
  pointerEvents: 'none',
  zIndex: 100,
  left: 0,
  top: 0
};
var dragPreviewRef = null;

var onOffsetChange = function onOffsetChange(monitor) {
  if (!dragPreviewRef) {
    return;
  }

  var offset = monitor.getSourceClientOffset() || monitor.getInitialClientOffset();

  if (!offset) {
    return;
  }

  var transform = "translate(".concat(offset.x, "px, ").concat(offset.y, "px)");
  dragPreviewRef.style.transform = transform;
  dragPreviewRef.style['-webkit-transform'] = transform;
};

var CustomDragLayer = /*#__PURE__*/function (_React$Component) {
  (0, _inherits2["default"])(CustomDragLayer, _React$Component);

  var _super = _createSuper(CustomDragLayer);

  function CustomDragLayer() {
    var _this;

    (0, _classCallCheck2["default"])(this, CustomDragLayer);

    for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
      args[_key] = arguments[_key];
    }

    _this = _super.call.apply(_super, [this].concat(args));
    (0, _defineProperty2["default"])((0, _assertThisInitialized2["default"])(_this), "shouldRenderLayer", function () {
      var props = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : _this.props;
      var id = props.id,
          item = props.item,
          itemType = props.itemType,
          draggedType = props.draggedType,
          isDragging = props.isDragging;
      return isDragging && id === item.id && itemType === draggedType;
    });
    (0, _defineProperty2["default"])((0, _assertThisInitialized2["default"])(_this), "renderPreview", function () {
      var offsetOfHandle = _this.props.offsetOfHandle;
      var styles = Object.assign({}, layerStyles, {
        left: -offsetOfHandle.x,
        top: -offsetOfHandle.y
      });
      return /*#__PURE__*/_react["default"].createElement("div", {
        style: styles,
        ref: function ref(node) {
          return dragPreviewRef = node;
        }
      }, _this.props.renderPreview({}));
    });
    (0, _defineProperty2["default"])((0, _assertThisInitialized2["default"])(_this), "renderPreviewInPortal", function () {
      return /*#__PURE__*/_react["default"].createElement(_reactPortal.Portal, null, _this.renderPreview());
    });
    return _this;
  }

  (0, _createClass2["default"])(CustomDragLayer, [{
    key: "render",
    value: function render() {
      if (!this.shouldRenderLayer()) {
        return null;
      }

      return this.props.usePortal ? this.renderPreviewInPortal() : this.renderPreview();
    }
  }]);
  return CustomDragLayer;
}(_react["default"].Component);

CustomDragLayer.propTypes = {
  offsetOfHandle: _propTypes["default"].object,
  item: _propTypes["default"].object,
  itemType: _propTypes["default"].string,
  draggedType: _propTypes["default"].string,
  isDragging: _propTypes["default"].bool,
  renderPreview: _propTypes["default"].func,
  usePortal: _propTypes["default"].bool,
  id: _propTypes["default"].oneOfType([_propTypes["default"].string, _propTypes["default"].number])
};

var _default = (0, _reactDnd.DragLayer)(function (monitor, props) {
  onOffsetChange(monitor);
  return {
    offsetOfHandle: props.offsetOfHandle,
    item: monitor.getItem(),
    itemType: monitor.getItemType(),
    isDragging: monitor.isDragging()
  };
})(CustomDragLayer);

exports["default"] = _default;