wix-style-react/dist/es/src/NestableList/DragLayer.js

wix-style-react

import _classCallCheck from "@babel/runtime/helpers/classCallCheck";
import _createClass from "@babel/runtime/helpers/createClass";
import _assertThisInitialized from "@babel/runtime/helpers/assertThisInitialized";
import _inherits from "@babel/runtime/helpers/inherits";
import _possibleConstructorReturn from "@babel/runtime/helpers/possibleConstructorReturn";
import _getPrototypeOf from "@babel/runtime/helpers/getPrototypeOf";
import _defineProperty from "@babel/runtime/helpers/defineProperty";

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) { symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); } keys.push.apply(keys, symbols); } return keys; }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }

function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(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; } }

import React, { Component } from 'react';
import classNames from 'classnames';
import { DragLayer } from 'react-dnd';
import itemTypes from './itemTypes';
import { Portal } from 'react-portal';
import { dataAttributes } from '../DragAndDrop/Draggable/constants';
var defaultLayerStyles = {
  position: 'fixed',
  pointerEvents: 'none',
  left: 0,
  top: 0
};

function getItemStyles(props, clientRect, handleOffset) {
  var initialOffset = props.initialOffset,
      currentOffset = props.currentOffset;

  if (!initialOffset || !currentOffset) {
    return {
      display: 'none'
    };
  }

  var x = currentOffset.x - handleOffset.x;
  var y = currentOffset.y - handleOffset.y;
  var width = clientRect.width,
      height = clientRect.height;
  var transform = "translate(".concat(x, "px, ").concat(y, "px)");
  return {
    transform: transform,
    WebkitTransform: transform,
    width: width,
    height: height
  };
}

var defaultConnectDragSource = function defaultConnectDragSource(el) {
  return el;
};

var CustomDragLayer = /*#__PURE__*/function (_Component) {
  _inherits(CustomDragLayer, _Component);

  var _super = _createSuper(CustomDragLayer);

  function CustomDragLayer() {
    var _this;

    _classCallCheck(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));

    _defineProperty(_assertThisInitialized(_this), "renderChildren", function (items, depth) {
      var _this$props = _this.props,
          renderItem = _this$props.renderItem,
          childrenProperty = _this$props.childrenProperty,
          childrenStyle = _this$props.childrenStyle,
          theme = _this$props.theme;

      if (!items || !items.length) {
        return null;
      }

      var classes = classNames('nestable-item', 'dragging-nestable-item', theme && theme.item);
      return /*#__PURE__*/React.createElement("div", {
        style: childrenStyle
      }, items.map(function (item, i) {
        var _React$cloneElement;

        return /*#__PURE__*/React.createElement("div", {
          className: classes,
          "data-hook": "dragging-nestable-item",
          key: i
        }, /*#__PURE__*/React.cloneElement(renderItem({
          item: item,
          isPlaceholder: false,
          isPreview: true,
          depth: depth,
          connectDragSource: defaultConnectDragSource
        }), (_React$cloneElement = {}, _defineProperty(_React$cloneElement, dataAttributes.draggableSource, true), _defineProperty(_React$cloneElement, dataAttributes.depth, depth - 1), _defineProperty(_React$cloneElement, dataAttributes.id, item.id), _React$cloneElement)), !item.isCollapsed && _this.renderChildren(item[childrenProperty], depth + 1, item.isCollapsed));
      }));
    });

    return _this;
  }

  _createClass(CustomDragLayer, [{
    key: "render",
    value: function render() {
      var _React$cloneElement2;

      var _this$props2 = this.props,
          item = _this$props2.item,
          itemType = _this$props2.itemType,
          renderItem = _this$props2.renderItem,
          isPlaceholder = _this$props2.isPlaceholder,
          childrenProperty = _this$props2.childrenProperty,
          isRenderDraggingChildren = _this$props2.isRenderDraggingChildren,
          theme = _this$props2.theme,
          dragLayerZIndex = _this$props2.dragLayerZIndex;

      if (!isPlaceholder || itemType !== itemTypes.nestedItem) {
        return null;
      }

      var classes = classNames('nestable-item', 'dragging-nestable-item', theme && theme.item);
      var renderedItem = /*#__PURE__*/React.cloneElement(renderItem({
        item: item.data,
        isPlaceholder: false,
        isPreview: true,
        depth: 1,
        connectDragSource: defaultConnectDragSource
      }), (_React$cloneElement2 = {}, _defineProperty(_React$cloneElement2, dataAttributes.draggableSource, true), _defineProperty(_React$cloneElement2, dataAttributes.depth, 0), _defineProperty(_React$cloneElement2, dataAttributes.id, item.id), _React$cloneElement2)); // portal is used because of position fixed and transform issue

      return /*#__PURE__*/React.createElement(Portal, null, /*#__PURE__*/React.createElement("div", {
        style: _objectSpread(_objectSpread({}, defaultLayerStyles), {}, {
          zIndex: dragLayerZIndex
        })
      }, /*#__PURE__*/React.createElement("div", {
        className: classes,
        style: getItemStyles(this.props, item.clientRect, item.handleOffset)
      }, renderedItem, isRenderDraggingChildren && !item.data.isCollapsed && this.renderChildren(item.data[childrenProperty], 2))));
    }
  }]);

  return CustomDragLayer;
}(Component);

var PureDragLayer = /*#__PURE__*/function (_React$PureComponent) {
  _inherits(PureDragLayer, _React$PureComponent);

  var _super2 = _createSuper(PureDragLayer);

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

    return _super2.apply(this, arguments);
  }

  _createClass(PureDragLayer, [{
    key: "render",
    value: function render() {
      return /*#__PURE__*/React.createElement(CustomDragLayer, this.props);
    }
  }]);

  return PureDragLayer;
}(React.PureComponent);

export default DragLayer(function (monitor) {
  return {
    item: monitor.getItem(),
    itemType: monitor.getItemType(),
    initialOffset: monitor.getInitialSourceClientOffset(),
    currentOffset: monitor.getSourceClientOffset(),
    isPlaceholder: monitor.isDragging()
  };
})(PureDragLayer);