optimizely-oui/module/js/components/Sortable/SortableGroup/index.js

Optimizely's Component Library.

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import classNames from "classnames";
import Icon from "react-oui-icons";
import Immutable from "immutable";
import PropTypes from "prop-types";
import React from "react";
import { DragSource } from "react-dnd";
import { getEmptyImage } from "react-dnd-html5-backend";
import SortableItem from "../SortableItem";
import SortTarget from "../SortTarget";
import types from "../draggableTypes";
/**
 * handleBeginDrag
 * @description Begins drag interaction for the current group
 * @param {Object} props - SortableGroup props
 * @returns {Object} Information passed to sort targets upon drag
 */

function handleBeginDrag(props) {
  var items = props.items,
      position = props.position,
      id = props.id;
  return {
    data: items,
    type: "group",
    position: position,
    id: id
  };
}
/**
 * handleEndDrag
 * @description Ends drag interaction for the current group
 * @param {Object} props - SortableGroup props
 */


function handleEndDrag(props) {
  props.endDrag();
}
/**
 * isGroupBeingDragged
 * @description Calculates whether the current group is being dragged
 * @param {Object} props - SortableGroup props
 * @param {Object} monitor - Interface to interact with react-dnd state
 * @returns {Boolean} Whether or not the current group is being dragged
 */


function isGroupBeingDragged(props, monitor) {
  return !monitor.didDrop() && monitor.getItem().id === props.id && monitor.getItem().type === "group";
}

var SortableGroupContainer = function SortableGroupContainer(_ref) {
  var isRootGroup = _ref.isRootGroup,
      children = _ref.children,
      testSection = _ref.testSection,
      props = _objectWithoutProperties(_ref, ["isRootGroup", "children", "testSection"]);

  return isRootGroup ? React.createElement("div", _extends({
    "data-test-section": testSection
  }, props), children) : React.createElement("li", _extends({
    "data-test-section": testSection
  }, props), children);
};

SortableGroupContainer.propTypes = {
  children: PropTypes.node,
  isRootGroup: PropTypes.bool,
  testSection: PropTypes.string
};

var SortableGroup =
/*#__PURE__*/
function (_React$Component) {
  _inherits(SortableGroup, _React$Component);

  function SortableGroup() {
    var _getPrototypeOf2;

    var _this;

    _classCallCheck(this, SortableGroup);

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

    _this = _possibleConstructorReturn(this, (_getPrototypeOf2 = _getPrototypeOf(SortableGroup)).call.apply(_getPrototypeOf2, [this].concat(args)));

    _defineProperty(_assertThisInitialized(_this), "renderItems", function () {
      var _this$props = _this.props,
          baseTestSection = _this$props.baseTestSection,
          endDrag = _this$props.endDrag,
          isDragPreview = _this$props.isDragPreview,
          items = _this$props.items,
          onMove = _this$props.onMove,
          position = _this$props.position,
          renderItem = _this$props.renderItem;
      return items.map(function (item, i) {
        if (item.get("type") === "group") {
          return React.createElement(WrappedGroup, {
            baseTestSection: baseTestSection,
            endDrag: endDrag,
            id: item.get("id"),
            isDragPreview: isDragPreview,
            items: item.get("children"),
            key: "group-".concat(item.get("id")),
            onMove: onMove,
            position: [].concat(_toConsumableArray(position), [i]),
            renderItem: renderItem
          });
        }

        return React.createElement(SortableItem, {
          baseTestSection: baseTestSection,
          endDrag: endDrag,
          id: item.get("id"),
          isDragPreview: isDragPreview,
          item: item,
          key: "item-".concat(item.get("id")),
          onMove: onMove,
          position: [].concat(_toConsumableArray(position), [i]),
          render: renderItem
        });
      });
    });

    return _this;
  }

  _createClass(SortableGroup, [{
    key: "componentDidMount",
    value: function componentDidMount() {
      var connectDragPreview = this.props.connectDragPreview;
      connectDragPreview(getEmptyImage(), {
        captureDragState: true
      });
    }
  }, {
    key: "render",
    value: function render() {
      var _this$props2 = this.props,
          baseTestSection = _this$props2.baseTestSection,
          connectDragSource = _this$props2.connectDragSource,
          id = _this$props2.id,
          isDragging = _this$props2.isDragging,
          isDragPreview = _this$props2.isDragPreview,
          onMove = _this$props2.onMove,
          position = _this$props2.position;
      var isRootGroup = position.length === 0;
      var trailingTarget = !isRootGroup && React.createElement(SortTarget, {
        baseTestSection: baseTestSection,
        onMove: onMove,
        ownerId: id,
        ownerType: "group",
        position: [].concat(_toConsumableArray(position.slice(0, -1)), [position[position.length - 1] + 1])
      });
      var handle = !isRootGroup && connectDragSource(React.createElement("div", {
        className: "flex flex--column flex-grow--none flex-shrink--none flex-justified--center soft--ends"
      }, React.createElement("div", {
        className: "oui-icon oui-sortable__group__handle cursor--move",
        "data-test-section": "".concat(baseTestSection, "-handle")
      }, React.createElement(Icon, {
        fill: "#c7c7c7",
        name: "hamburger"
      }))));
      var className = classNames({
        flex: true,
        "hard--top": isRootGroup,
        "oui-sortable__drag-placeholder": !isDragPreview && isDragging,
        "oui-sortable__group": true,
        "pointer-events--none": !isDragPreview && isDragging,
        "no-border--top": isDragPreview && isDragging || isRootGroup
      });
      var testSectionName = isDragPreview ? "group-preview" : "group";
      var testSectionId = position.length > 0 ? position.join("-") : "root";
      var testSection = "".concat(baseTestSection, "-").concat(testSectionName, "-").concat(testSectionId);
      return React.createElement(React.Fragment, null, React.createElement(SortableGroupContainer, {
        className: className,
        testSection: testSection,
        isRootGroup: isRootGroup
      }, handle, React.createElement("ul", {
        className: "flex flex--column width--1-1"
      }, React.createElement(SortTarget, {
        baseTestSection: baseTestSection,
        onMove: onMove,
        ownerId: id,
        ownerType: "group",
        position: [].concat(_toConsumableArray(position), [0])
      }), this.renderItems())), trailingTarget);
    }
  }]);

  return SortableGroup;
}(React.Component);

_defineProperty(SortableGroup, "propTypes", {
  baseTestSection: PropTypes.string.isRequired,
  connectDragPreview: PropTypes.func.isRequired,
  connectDragSource: PropTypes.func.isRequired,
  endDrag: PropTypes.func.isRequired,
  id: PropTypes.oneOfType([PropTypes.string, PropTypes.number]).isRequired,
  isDragPreview: PropTypes.bool,
  isDragging: PropTypes.bool.isRequired,
  items: PropTypes.instanceOf(Immutable.List).isRequired,
  onMove: PropTypes.func.isRequired,
  position: PropTypes.arrayOf(PropTypes.number).isRequired,
  renderItem: PropTypes.func.isRequired
});

_defineProperty(SortableGroup, "defaultProps", {
  isDragPreview: false
});

var WrappedGroup = DragSource(types.item, {
  beginDrag: handleBeginDrag,
  endDrag: handleEndDrag,
  isDragging: isGroupBeingDragged
}, function (connect, monitor) {
  return {
    isDragging: monitor.isDragging(),
    connectDragPreview: connect.dragPreview(),
    connectDragSource: connect.dragSource()
  };
})(SortableGroup);
export default WrappedGroup;