@txdfe/at/lib/rating/rating.js

一个设计体系组件库

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = void 0;
var _react = _interopRequireWildcard(require("react"));
var _propTypes = _interopRequireDefault(require("prop-types"));
var _classnames = _interopRequireDefault(require("classnames"));
var _icon = _interopRequireDefault(require("../icon"));
var _util = require("../util");
var _zhCn = _interopRequireDefault(require("../locale/zh-cn"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { "default": e }; }
function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(e) { return e ? t : r; })(e); }
function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != _typeof(e) && "function" != typeof e) return { "default": e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && {}.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n["default"] = e, t && t.set(e, n), n; }
function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
function _extends() { return _extends = Object.assign ? Object.assign.bind() : function (n) { for (var e = 1; e < arguments.length; e++) { var t = arguments[e]; for (var r in t) ({}).hasOwnProperty.call(t, r) && (n[r] = t[r]); } return n; }, _extends.apply(null, arguments); }
function _readOnlyError(r) { throw new TypeError('"' + r + '" is read-only'); }
function _classCallCheck(a, n) { if (!(a instanceof n)) throw new TypeError("Cannot call a class as a function"); }
function _defineProperties(e, r) { for (var t = 0; t < r.length; t++) { var o = r[t]; o.enumerable = o.enumerable || !1, o.configurable = !0, "value" in o && (o.writable = !0), Object.defineProperty(e, _toPropertyKey(o.key), o); } }
function _createClass(e, r, t) { return r && _defineProperties(e.prototype, r), t && _defineProperties(e, t), Object.defineProperty(e, "prototype", { writable: !1 }), e; }
function _callSuper(t, o, e) { return o = _getPrototypeOf(o), _possibleConstructorReturn(t, _isNativeReflectConstruct() ? Reflect.construct(o, e || [], _getPrototypeOf(t).constructor) : o.apply(t, e)); }
function _possibleConstructorReturn(t, e) { if (e && ("object" == _typeof(e) || "function" == typeof e)) return e; if (void 0 !== e) throw new TypeError("Derived constructors may only return object or undefined"); return _assertThisInitialized(t); }
function _assertThisInitialized(e) { if (void 0 === e) throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); return e; }
function _isNativeReflectConstruct() { try { var t = !Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); } catch (t) {} return (_isNativeReflectConstruct = function _isNativeReflectConstruct() { return !!t; })(); }
function _getPrototypeOf(t) { return _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function (t) { return t.__proto__ || Object.getPrototypeOf(t); }, _getPrototypeOf(t); }
function _inherits(t, e) { if ("function" != typeof e && null !== e) throw new TypeError("Super expression must either be null or a function"); t.prototype = Object.create(e && e.prototype, { constructor: { value: t, writable: !0, configurable: !0 } }), Object.defineProperty(t, "prototype", { writable: !1 }), e && _setPrototypeOf(t, e); }
function _setPrototypeOf(t, e) { return _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function (t, e) { return t.__proto__ = e, t; }, _setPrototypeOf(t, e); }
function _defineProperty(e, r, t) { return (r = _toPropertyKey(r)) in e ? Object.defineProperty(e, r, { value: t, enumerable: !0, configurable: !0, writable: !0 }) : e[r] = t, e; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
var noop = _util.func.noop,
  bindCtx = _util.func.bindCtx;
var ENTER = _util.KEYCODE.ENTER,
  LEFT = _util.KEYCODE.LEFT,
  UP = _util.KEYCODE.UP,
  RIGHT = _util.KEYCODE.RIGHT,
  DOWN = _util.KEYCODE.DOWN;
var supportKeys = [ENTER, LEFT, UP, RIGHT, DOWN];

// 评分组件的大小与icon的大小映射关系
var ICON_SIZE_MAP = {
  small: 'xs',
  medium: 'small',
  large: 'medium'
};

/** Rating */
var Rating = exports["default"] = /*#__PURE__*/function (_Component) {
  function Rating(props) {
    var _this;
    _classCallCheck(this, Rating);
    _this = _callSuper(this, Rating, [props]);
    _this.state = {
      value: 'value' in props ? props.value : props.defaultValue,
      hoverValue: 0,
      iconSpace: 0,
      iconSize: 0,
      clicked: false // 标记组件是否被点击过
    };
    _this.timer = null;
    bindCtx(_this, ['handleClick', 'handleHover', 'handleLeave', 'onKeyDown']);
    return _this;
  }
  _inherits(Rating, _Component);
  return _createClass(Rating, [{
    key: "componentDidMount",
    value: function componentDidMount() {
      this.getRenderResult();
    }
  }, {
    key: "UNSAFE_componentWillReceiveProps",
    value: function UNSAFE_componentWillReceiveProps(nextProps) {
      if ('value' in nextProps) {
        this.setState({
          value: nextProps.value || 0
        });
      }
    }
  }, {
    key: "componentWillUnmount",
    value: function componentWillUnmount() {
      this.clearTimer();
    }

    // 清除延时
  }, {
    key: "clearTimer",
    value: function clearTimer() {
      if (this.timer) {
        clearTimeout(this.timer);
        this.timer = null;
      }
    }
  }, {
    key: "getRenderResult",
    value: function getRenderResult() {
      var count = this.props.count;
      var _this$state = this.state,
        iconSpace = _this$state.iconSpace,
        iconSize = _this$state.iconSize;
      var icon = this.refs['rating-icon-0'];
      if (icon && this.underlayNode) {
        var newIconSize = icon.offsetWidth;
        var newIconSpace = (this.underlayNode.offsetWidth - count * newIconSize) / (count + 1);
        if (newIconSize !== iconSize || newIconSpace !== iconSpace) {
          this.setState({
            iconSpace: newIconSpace,
            iconSize: newIconSize
          });
        }
      }
    }
  }, {
    key: "getValue",
    value: function getValue(e) {
      // 如定位不准，优先纠正定位
      this.getRenderResult();
      var _this$props = this.props,
        allowHalf = _this$props.allowHalf,
        count = _this$props.count,
        rtl = _this$props.rtl;
      var _this$state2 = this.state,
        iconSpace = _this$state2.iconSpace,
        iconSize = _this$state2.iconSize;
      var pos = e.pageX - this.underlayNode.getBoundingClientRect().left;
      var fullNum = Math.floor(pos / (iconSpace + iconSize));
      var surplusNum = (pos - fullNum * (iconSpace + iconSize)) / iconSize;
      var value = Number(fullNum) + Number(surplusNum.toFixed(1));
      if (value >= count) {
        value = count;
      } else if (allowHalf) {
        var floorValue = Math.floor(value);
        value = value - 0.5 >= floorValue ? floorValue + 1 : floorValue + 0.5;
      } else {
        value = Math.floor(value) + 1;
      }
      return rtl ? count - value + 1 : value;
    }
  }, {
    key: "handleHover",
    value: function handleHover(e) {
      var _this2 = this;
      var value = this.getValue(e);
      var onHoverChange = this.props.onHoverChange;
      if (value !== this.state.hoverValue) {
        this.clearTimer();
        this.timer = setTimeout(function () {
          _this2.setState({
            hoverValue: value
          }, function () {
            onHoverChange(value);
          });
        }, 0);
      }
    }
  }, {
    key: "handleLeave",
    value: function handleLeave() {
      this.clearTimer();
      this.setState({
        hoverValue: 0
      });
    }
  }, {
    key: "onKeyDown",
    value: function onKeyDown(e) {
      var _this$props2 = this.props,
        disabled = _this$props2.disabled,
        onKeyDown = _this$props2.onKeyDown,
        count = _this$props2.count;
      if (disabled || supportKeys.indexOf(e.keyCode) < 0) {
        return !onKeyDown || onKeyDown(e);
      }
      var _this$state3 = this.state,
        hoverValue = _this$state3.hoverValue,
        value = _this$state3.value;
      var changingValue = hoverValue;
      if (changingValue === 0) {
        changingValue = value;
      }
      switch (e.keyCode) {
        case DOWN:
        case RIGHT:
          if (changingValue < count) {
            changingValue += 1;
          } else {
            changingValue = 1;
          }
          this.handleChecked(changingValue);
          break;
        case UP:
        case LEFT:
          if (changingValue > 1) {
            changingValue -= 1;
          } else {
            changingValue = count;
          }
          this.handleChecked(changingValue);
          break;
        case ENTER:
          this.props.onChange(changingValue);
          this.setState({
            value: changingValue,
            hoverValue: changingValue
          });
          break;
      }
      return !onKeyDown || onKeyDown(e);
    }
  }, {
    key: "handleChecked",
    value: function handleChecked(index) {
      this.setState({
        hoverValue: index
      });
    }
  }, {
    key: "handleClick",
    value: function handleClick(e) {
      var _this3 = this;
      var value = this.getValue(e);
      if (value < 0) {
        return;
      }
      if (!('value' in this.props)) {
        this.setState({
          value: value,
          clicked: true
        });
      }
      this.props.onChange(value);
      setTimeout(function () {
        _this3.setState({
          clicked: false
        });
      }, 100);
    }
  }, {
    key: "getOverlayWidth",
    value: function getOverlayWidth() {
      var _this$state4 = this.state,
        hoverValue = _this$state4.hoverValue,
        iconSpace = _this$state4.iconSpace,
        iconSize = _this$state4.iconSize;
      if (!iconSpace || !iconSize) {
        return 'auto';
      }
      var value = Rating.currentValue(0, this.props.count, hoverValue, this.state.value);
      var floorValue = Math.floor(value);
      return iconSize * value + (floorValue + 1) * iconSpace;
    }
  }, {
    key: "getInfoLeft",
    value: function getInfoLeft() {
      var _this$state5 = this.state,
        value = _this$state5.value,
        hoverValue = _this$state5.hoverValue,
        iconSpace = _this$state5.iconSpace,
        iconSize = _this$state5.iconSize;
      var infoValue = hoverValue || value;
      var ceilValue = Math.ceil(infoValue);
      return iconSize * (ceilValue - 1) + ceilValue * iconSpace;
    }
  }, {
    key: "render",
    value: function render() {
      var _this4 = this;
      var _this$props3 = this.props,
        id = _this$props3.id,
        prefix = _this$props3.prefix,
        className = _this$props3.className,
        showGrade = _this$props3.showGrade,
        count = _this$props3.count,
        size = _this$props3.size,
        iconType = _this$props3.iconType,
        strokeMode = _this$props3.strokeMode,
        disabled = _this$props3.disabled,
        readAs = _this$props3.readAs,
        rtl = _this$props3.rtl,
        locale = _this$props3.locale;
      var others = _util.obj.pickOthers(Rating.propTypes, this.props);
      var _this$state6 = this.state,
        hoverValue = _this$state6.hoverValue,
        clicked = _this$state6.clicked;
      var underlay = [];
      var overlay = [];
      var enableA11y = !!id;

      // 获得Value
      var value = Rating.currentValue(0, count, hoverValue, this.state.value);

      // icon的sizeMap
      var sizeMap = ICON_SIZE_MAP[size];
      for (var i = 0; i < count; i++) {
        var isCurrent = Math.ceil(value - 1) === i;
        var iconCls = (0, _classnames["default"])({
          hover: hoverValue > 0 && isCurrent,
          clicked: clicked && isCurrent
        });
        var iconNode = /*#__PURE__*/_react["default"].createElement(_icon["default"], {
          type: iconType,
          size: sizeMap,
          className: iconCls
        });
        underlay.push(/*#__PURE__*/_react["default"].createElement("span", {
          ref: "rating-icon-".concat(i),
          key: "underlay-".concat(i),
          className: "".concat(prefix, "rating-icon")
        }, iconNode));
        if (enableA11y) {
          overlay.push(/*#__PURE__*/_react["default"].createElement("input", {
            id: "".concat(id, "-").concat(prefix, "star").concat(i + 1),
            key: "input-".concat(i),
            className: "".concat(prefix, "sr-only"),
            "aria-checked": i + 1 === parseInt(hoverValue),
            checked: i + 1 === parseInt(hoverValue),
            onChange: this.handleChecked.bind(this, i + 1),
            type: "radio",
            name: "rating"
          }));
        }
        overlay.push(/*#__PURE__*/_react["default"].createElement("label", {
          key: "overlay-".concat(i),
          htmlFor: enableA11y ? "".concat(id, "-").concat(prefix, "star").concat(i + 1) : null,
          className: "".concat(prefix, "rating-icon")
        }, iconNode, enableA11y ? /*#__PURE__*/_react["default"].createElement("span", {
          className: "".concat(prefix, "sr-only")
        }, readAs(i + 1)) : null));
      }
      var ratingCls = (0, _classnames["default"])(["".concat(prefix, "rating"), "".concat(prefix, "rating-").concat(size)], _defineProperty(_defineProperty(_defineProperty(_defineProperty({}, "".concat(prefix, "rating-grade-low"), value <= count * 0.4), "".concat(prefix, "rating-grade-high"), value > count * 0.4), "".concat(prefix, "rating-stroke-mode"), strokeMode), "hover", hoverValue > 0), className);
      var baseCls = (0, _classnames["default"])("".concat(prefix, "rating-base"), _defineProperty({}, "".concat(prefix, "rating-base-disabled"), disabled));
      var overlayStyle = {
        width: this.getOverlayWidth()
      };
      var infoStyle = {
        left: this.getInfoLeft(),
        display: hoverValue ? 'block' : 'none'
      };
      var finalProps = disabled ? {} : {
        onClick: this.handleClick,
        onMouseOver: this.handleHover,
        onMouseMove: this.handleHover,
        onMouseLeave: this.handleLeave
      };
      if (rtl) {
        others.dir = 'rtl';
      }
      return /*#__PURE__*/_react["default"].createElement("div", _extends({
        id: id || null
      }, others, {
        className: ratingCls,
        onKeyDown: this.onKeyDown,
        tabIndex: "0",
        role: "group",
        "aria-label": locale.description
      }), /*#__PURE__*/_react["default"].createElement("div", _extends({
        className: baseCls
      }, finalProps), /*#__PURE__*/_react["default"].createElement("div", {
        className: "".concat(prefix, "rating-underlay"),
        ref: function ref(n) {
          return _this4.underlayNode = n;
        },
        "aria-hidden": true
      }, underlay), /*#__PURE__*/_react["default"].createElement("div", {
        className: "".concat(prefix, "rating-overlay"),
        style: overlayStyle
      }, overlay)), showGrade ? /*#__PURE__*/_react["default"].createElement("div", {
        className: "".concat(prefix, "rating-info"),
        style: infoStyle
      }, readAs(value)) : null);
    }
  }], [{
    key: "currentValue",
    value: function currentValue(min, max, hoverValue, stateValue) {
      var value = hoverValue || stateValue;
      value = value >= max ? max : value;
      value = value <= min ? min : value;
      return value || 0;
    }
  }]);
}(_react.Component);
_defineProperty(Rating, "displayName", 'Rating');
_defineProperty(Rating, "propTypes", {
  prefix: _propTypes["default"].string,
  /**
   * 默认值
   */
  defaultValue: _propTypes["default"].number,
  /**
   * 值
   */
  value: _propTypes["default"].number,
  /**
   * 评分的总数
   */
  count: _propTypes["default"].number,
  /**
   * 是否显示 grade
   */
  showGrade: _propTypes["default"].bool,
  /**
   * 尺寸
   */
  size: _propTypes["default"].oneOf(['small', 'medium', 'large']),
  /**
   * 是否允许半星评分
   */
  allowHalf: _propTypes["default"].bool,
  /**
   * 用户点击评分时触发的回调
   * @param {String} value 评分值
   */
  onChange: _propTypes["default"].func,
  /**
   * 用户hover评分时触发的回调
   * @param {String} value 评分值
   */
  onHoverChange: _propTypes["default"].func,
  /**
   * 是否禁用
   */
  disabled: _propTypes["default"].bool,
  /**
   * 评分文案生成方法，传入id支持无障碍时，读屏软件可读
   */
  readAs: _propTypes["default"].func,
  // 实验属性: 自定义评分icon
  iconType: _propTypes["default"].string,
  // 实验属性: 开启 `-webkit-text-stroke` 显示边框颜色，在IE中无效
  strokeMode: _propTypes["default"].bool,
  className: _propTypes["default"].string,
  id: _propTypes["default"].string,
  rtl: _propTypes["default"].bool,
  /**
   * 自定义国际化文案对象
   */
  locale: _propTypes["default"].object
});
_defineProperty(Rating, "defaultProps", {
  prefix: 'next-',
  size: 'medium',
  disabled: false,
  count: 5,
  showGrade: false,
  defaultValue: 0,
  readAs: function readAs(val) {
    return val;
  },
  allowHalf: false,
  iconType: 'star-fill',
  onChange: noop,
  onHoverChange: noop,
  locale: _zhCn["default"].Rating
});