ukelli-ui/core/modal/drag-pabel-helper.js

[](https://travis-ci.org/ukelli/ukelli-ui) [](https://packagephobia.now.sh/result?p=ukelli-ui)

"use strict";

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

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

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

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }

function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }

function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

// let SCREEN_WIDTH = document.documentElement.clientWidth;
function getScreenWidth() {
  return document.documentElement.clientWidth;
}

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

  function DragPanelClass() {
    var _getPrototypeOf2;

    var _this;

    _classCallCheck(this, DragPanelClass);

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

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

    _defineProperty(_assertThisInitialized(_assertThisInitialized(_this)), "drapElemInfo", {
      isDrapStart: false,
      dragElem: null,
      dragOriginX: 0,
      dragOriginY: 0,
      elemOrigonX: 0,
      elemOriginY: 0
    });

    _defineProperty(_assertThisInitialized(_assertThisInitialized(_this)), "getScreenWidth", getScreenWidth);

    _defineProperty(_assertThisInitialized(_assertThisInitialized(_this)), "setContainerPosition", function (event) {
      if (!_this.drapElemInfo.isDrapStart) return;
      var _this$props$topLimit = _this.props.topLimit,
          topLimit = _this$props$topLimit === void 0 ? 0 : _this$props$topLimit;
      var _this$drapElemInfo = _this.drapElemInfo,
          dragElem = _this$drapElemInfo.dragElem,
          dragOriginX = _this$drapElemInfo.dragOriginX,
          dragOriginY = _this$drapElemInfo.dragOriginY,
          elemOrigonX = _this$drapElemInfo.elemOrigonX,
          elemOriginY = _this$drapElemInfo.elemOriginY;
      var leftOffset = event.clientX - dragOriginX + elemOrigonX;
      var topOffset = event.clientY - dragOriginY + elemOriginY;

      var _screenWidth = getScreenWidth() - dragElem.offsetWidth;

      var setLeftOffset = leftOffset;
      var setTopOffset = topOffset;

      if (leftOffset < 0) {
        setLeftOffset = 0;
      } else if (leftOffset > _screenWidth) {
        setLeftOffset = _screenWidth;
      }

      if (setTopOffset < topLimit) {
        setTopOffset = topLimit;
      }

      dragElem.style.left = setLeftOffset + "px";
      dragElem.style.top = setTopOffset + "px";
    });

    _defineProperty(_assertThisInitialized(_assertThisInitialized(_this)), "dragEnd", function (event) {
      if (!_this.drapElemInfo.isDrapStart) return;
      _this.drapElemInfo = {
        isDrapStart: false,
        dragElem: null,
        dragOriginX: 0,
        dragOriginY: 0,
        elemOrigonX: 0,
        elemOriginY: 0
      };

      _this.mouseMoved();
    });

    return _this;
  }

  _createClass(DragPanelClass, [{
    key: "dragStart",
    value: function dragStart(event, elem) {
      this.drapElemInfo = {
        isDrapStart: true,
        dragElem: elem,
        dragOriginX: event.clientX,
        dragOriginY: event.clientY,
        elemOrigonX: elem.offsetLeft,
        elemOriginY: elem.offsetTop
      };
      this.mouseMoving();
      event.stopPropagation();
    }
  }, {
    key: "mouseMoving",
    value: function mouseMoving() {
      document.addEventListener('mousemove', this.setContainerPosition, false);
      document.addEventListener('mouseup', this.dragEnd, false);
    }
  }, {
    key: "mouseMoved",
    value: function mouseMoved() {
      document.removeEventListener('mousemove', this.setContainerPosition, false);
      document.removeEventListener('mouseup', this.dragEnd, false);
    }
  }]);

  return DragPanelClass;
}(_react.default.Component);

exports.DragPanelClass = DragPanelClass;

_defineProperty(DragPanelClass, "propTypes", {
  topLimit: _propTypes.default.number
});

_defineProperty(DragPanelClass, "defaultProps", {
  topLimit: 0
});