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

ukelli-ui 是基于 React 的 UI 库，提供简约和功能齐全的组件，可高度定制的组件接口，灵活的配置，提供给开发者另一种开发思路，也致力于尝试不同的组件使用和开发方向。

"use strict";

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

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

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

var _ukeUtils = require("../uke-utils");

var _utils = require("../utils");

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 _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest(); }

function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance"); }

function _iterableToArrayLimit(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }

function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }

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

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 _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;
var DragPanelClass =
/*#__PURE__*/
function (_UkeComponent) {
  _inherits(DragPanelClass, _UkeComponent);

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

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

    _defineProperty(_assertThisInitialized(_this), "setLayoutInitPosition", function (elem) {
      if (!_this.isSetPosition) {
        _this.isSetPosition = true; // elem.style.left = (this.getScreenWidth() - elem.offsetWidth) / 2 + 'px';
        // elem.style.top = '100px';

        elem.style.transform = "translate(".concat((_this.getScreenWidth() - elem.offsetWidth) / 2, "px, 100px)");
      }
    });

    _defineProperty(_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 = (0, _utils.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.transform = "translate(".concat(setLeftOffset, "px, ").concat(setTopOffset, "px)"); // dragElem.style.transform = setTopOffset + "px";
    });

    _defineProperty(_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) {
      var elemTransform = elem.style.transform;
      var arr = elemTransform.split(',');

      var _arr$map = arr.map(function (item) {
        return item.replace(/[^\d.]/g, '');
      }),
          _arr$map2 = _slicedToArray(_arr$map, 2),
          translateX = _arr$map2[0],
          translateY = _arr$map2[1];

      this.drapElemInfo = {
        isDrapStart: true,
        dragElem: elem,
        dragOriginX: event.clientX,
        dragOriginY: event.clientY,
        elemOrigonX: +translateX || 0,
        elemOriginY: +translateY || 0
      };
      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;
}(_ukeUtils.UkeComponent);

exports.DragPanelClass = DragPanelClass;

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

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