choerodon-ui/es/ripple/MouseDown.js

An enterprise-class UI design language and React-based implementation

import _extends from "@babel/runtime/helpers/extends";
import _classCallCheck from "@babel/runtime/helpers/classCallCheck";
import _createClass from "@babel/runtime/helpers/createClass";
import _inherits from "@babel/runtime/helpers/inherits";
import _possibleConstructorReturn from "@babel/runtime/helpers/possibleConstructorReturn";
import _getPrototypeOf from "@babel/runtime/helpers/getPrototypeOf";

function _createSuper(Derived) {
  function isNativeReflectConstruct() {
    if (typeof Reflect === "undefined" || !Reflect.construct) return false;
    if (Reflect.construct.sham) return false;
    if (typeof Proxy === "function") return true;

    try {
      Date.prototype.toString.call(Reflect.construct(Date, [], function () {}));
      return true;
    } catch (e) {
      return false;
    }
  }

  return function () {
    var Super = _getPrototypeOf(Derived),
        result;

    if (isNativeReflectConstruct()) {
      var NewTarget = _getPrototypeOf(this).constructor;

      result = Reflect.construct(Super, arguments, NewTarget);
    } else {
      result = Super.apply(this, arguments);
    }

    return _possibleConstructorReturn(this, result);
  };
}

import { cloneElement, PureComponent } from 'react';
import PropTypes from 'prop-types';

function wrapEvent(element, eventName, callback) {
  return function (e) {
    var originalEvent = element.props[eventName];

    if (originalEvent) {
      originalEvent(e);
    }

    callback(e);
  };
}

var MouseDown =
/*#__PURE__*/
function (_PureComponent) {
  _inherits(MouseDown, _PureComponent);

  var _super = _createSuper(MouseDown);

  function MouseDown() {
    var _this;

    _classCallCheck(this, MouseDown);

    _this = _super.apply(this, arguments);
    _this.state = {};

    _this.show = function (e) {
      var currentTarget = e.currentTarget;
      var pos = currentTarget.getBoundingClientRect();

      _this.setState({
        size: {
          x: e.clientX - pos.left,
          y: e.clientY - pos.top,
          width: currentTarget.clientWidth,
          height: currentTarget.clientHeight,
          position: document.defaultView && document.defaultView.getComputedStyle(currentTarget).position
        }
      });
    };

    _this.hide = function () {
      _this.setState({
        size: undefined
      });
    };

    return _this;
  }

  _createClass(MouseDown, [{
    key: "render",
    value: function render() {
      var _this$props = this.props,
          children = _this$props.children,
          rippleChild = _this$props.rippleChild;
      var size = this.state.size;
      var element = children(rippleChild, size);
      var newProps = {
        onMouseDown: wrapEvent(element, 'onMouseDown', this.show)
      };

      if (size) {
        _extends(newProps, {
          onMouseUp: wrapEvent(element, 'onMouseUp', this.hide),
          onMouseLeave: wrapEvent(element, 'onMouseLeave', this.hide),
          onDragEnd: wrapEvent(element, 'onDragEnd', this.hide)
        });
      }

      return cloneElement(element, newProps);
    }
  }]);

  return MouseDown;
}(PureComponent);

export { MouseDown as default };
MouseDown.displayName = 'MouseDown';
MouseDown.propTypes = {
  rippleChild: PropTypes.node
};
//# sourceMappingURL=MouseDown.js.map