@txdfe/at/lib/time-picker/module/time-menu.js

一个设计体系组件库

"use strict";

function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }

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

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

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

var _classnames2 = _interopRequireDefault(require("classnames"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": 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); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }

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 } }); Object.defineProperty(subClass, "prototype", { writable: false }); 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 _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 _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } return _assertThisInitialized(self); }

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

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; } }

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

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; }

function scrollTo(element, to, duration) {
  var requestAnimationFrame = window.requestAnimationFrame || function requestAnimationFrameTimeout() {
    return setTimeout(arguments.length <= 0 ? undefined : arguments[0], 10);
  };

  if (duration <= 0) {
    element.scrollTop = to;
    return;
  }

  var difference = to - element.scrollTop;
  var perTick = difference / duration * 10;
  requestAnimationFrame(function () {
    element.scrollTop = element.scrollTop + perTick;

    if (element.scrollTop === to) {
      return;
    }

    scrollTo(element, to, duration - 10);
  });
}

var noop = function noop() {};

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

  var _super = _createSuper(TimeMenu);

  function TimeMenu() {
    var _this;

    _classCallCheck(this, TimeMenu);

    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), "_menuRefHandler", function (ref) {
      _this.menu = ref;
    });

    return _this;
  }

  _createClass(TimeMenu, [{
    key: "componentDidMount",
    value: function componentDidMount() {
      this.scrollToSelected(0);
    }
  }, {
    key: "componentDidUpdate",
    value: function componentDidUpdate(prevProps) {
      if (prevProps.activeIndex !== this.props.activeIndex) {
        this.scrollToSelected(120);
      }
    }
  }, {
    key: "scrollToSelected",
    value: function scrollToSelected() {
      var duration = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;
      var _this$props = this.props,
          activeIndex = _this$props.activeIndex,
          step = _this$props.step;
      var targetIndex = Math.floor((activeIndex || 0) / step);
      var firstItem = this.menu.children[targetIndex];
      var offsetTo = firstItem.offsetTop;
      scrollTo(this.menu, offsetTo, duration);
    }
  }, {
    key: "render",
    value: function render() {
      var _this$props2 = this.props,
          prefix = _this$props2.prefix,
          title = _this$props2.title,
          mode = _this$props2.mode,
          activeIndex = _this$props2.activeIndex,
          step = _this$props2.step,
          disabled = _this$props2.disabled,
          disabledItems = _this$props2.disabledItems,
          onSelect = _this$props2.onSelect;
      var total = mode === 'hour' ? 24 : 60;
      var list = [];

      var _loop = function _loop(i) {
        if (i % step === 0) {
          var _classnames;

          var isDisabled = disabled || disabledItems(i);
          var itemCls = (0, _classnames2["default"])((_classnames = {}, _defineProperty(_classnames, "".concat(prefix, "time-picker-menu-item"), true), _defineProperty(_classnames, "".concat(prefix, "disabled"), isDisabled), _defineProperty(_classnames, "".concat(prefix, "selected"), i === activeIndex), _classnames));
          var onClick = isDisabled ? noop : function () {
            return onSelect(i, mode);
          };
          list.push( /*#__PURE__*/_react["default"].createElement("li", {
            role: "option",
            "aria-selected": String(i === activeIndex),
            key: i,
            title: i,
            className: itemCls,
            onClick: onClick
          }, i));
        }
      };

      for (var i = 0; i < total; i++) {
        _loop(i);
      }

      var menuTitle = title ? /*#__PURE__*/_react["default"].createElement("div", {
        className: "".concat(prefix, "time-picker-menu-title")
      }, title) : null;
      return /*#__PURE__*/_react["default"].createElement("div", {
        className: "".concat(prefix, "time-picker-menu")
      }, menuTitle, /*#__PURE__*/_react["default"].createElement("ul", {
        role: "listbox",
        className: "".concat(prefix, "time-picker-menu-").concat(mode),
        ref: this._menuRefHandler
      }, list));
    }
  }]);

  return TimeMenu;
}(_react["default"].Component);

_defineProperty(TimeMenu, "propTypes", {
  prefix: _propTypes["default"].string,
  title: _propTypes["default"].node,
  mode: _propTypes["default"].oneOf(['hour', 'minute', 'second']),
  step: _propTypes["default"].number,
  activeIndex: _propTypes["default"].number,
  disabledItems: _propTypes["default"].func,
  onSelect: _propTypes["default"].func,
  disabled: _propTypes["default"].bool
});

_defineProperty(TimeMenu, "defaultProps", {
  step: 1,
  disabledItems: function disabledItems() {
    return false;
  },
  onSelect: function onSelect() {},
  disabled: false
});

var _default = TimeMenu;
exports["default"] = _default;