@txdfe/at/lib/table/base/auto-width.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 _guid = _interopRequireDefault(require("../../util/guid"));

var _reactDom = require("react-dom");

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

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 _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 _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 _createForOfIteratorHelper(o, allowArrayLike) { var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; if (!it) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = it.call(o); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }

function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }

function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }

var groupBy = function groupBy(array, field) {
  var id;
  var result = Object.create(null);

  if (typeof field === 'string') {
    var _iterator = _createForOfIteratorHelper(array),
        _step;

    try {
      for (_iterator.s(); !(_step = _iterator.n()).done;) {
        var item = _step.value;
        id = String(item[field]);

        if (!result[id]) {
          result[id] = [item];
        } else {
          result[id].push(item);
        }
      }
    } catch (err) {
      _iterator.e(err);
    } finally {
      _iterator.f();
    }
  } else if (typeof field === 'function') {
    var _iterator2 = _createForOfIteratorHelper(array),
        _step2;

    try {
      for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) {
        var _item = _step2.value;
        id = String(field(_item));

        if (!result[id]) {
          result[id] = [_item];
        } else {
          result[id].push(_item);
        }
      }
    } catch (err) {
      _iterator2.e(err);
    } finally {
      _iterator2.f();
    }
  }

  return result;
};

var getBestWidth = function getBestWidth(_ref) {
  var headerWidth = _ref.headerWidth,
      bodyWidths = _ref.bodyWidths;
  var sizeGroup = groupBy(bodyWidths, function (size) {
    var groupIndex = (size / 10).toFixed();
    return groupIndex;
  });
  var values = Object.values(sizeGroup).sort(function (sizesA, sizesB) {
    return sizesB.length - sizesA.length;
  })[0]; // const value = values.reduce( ( pv, cv, i ) => ( ( pv * i + cv ) / ( i + 1 ) ), 0 );

  var value = Math.max.apply(null, values);
  return Math.max(headerWidth, value);
};

var AutoWidth = /*#__PURE__*/function () {
  function AutoWidth() {
    var _ref2 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
        _ref2$padding = _ref2.padding,
        padding = _ref2$padding === void 0 ? null : _ref2$padding,
        table = _ref2.table;

    _classCallCheck(this, AutoWidth);

    _defineProperty(this, "padding", 15);

    _defineProperty(this, "enable", true);

    _defineProperty(this, "columns", Object.create(null));

    _defineProperty(this, "Calculators", Object.create(null));

    _defineProperty(this, "colGroups", []);

    if (typeof padding === 'number') {
      this.padding = padding;
    }

    this.table = table;
  }

  _createClass(AutoWidth, [{
    key: "init",
    value: function init() {
      this.columns = Object.create(null);
      this.Calculators = Object.create(null);
      this.colGroups.length = 0;
    }
  }, {
    key: "analyzeColDefine",
    value: function analyzeColDefine(column) {
      if (column && column.width === 'auto') {
        this.columns[column.columnId] = {
          calced: false,
          headerCalculator: null,
          headerWidth: null,
          bodyCalculators: [],
          bodyWidths: [],
          bestWidth: null,
          isMax: false
        };
      }
    }
  }, {
    key: "bindColGroup",
    value: function bindColGroup(colGroup) {
      if (!this.enable) {
        return;
      }

      var colGroups = this.colGroups;

      if (!colGroups.includes(colGroup)) {
        colGroups.push(colGroup);
      }
    }
  }, {
    key: "bindCalculator",
    value: function bindCalculator(id, target) {
      this.Calculators[id] = target;
    }
  }, {
    key: "renderCalculator",
    value: function renderCalculator(columnId, isInHeader, content, children) {
      if (!this.enable) {
        return null;
      }

      var column = this.columns[columnId];

      if (column) {
        var calculatorId = (0, _guid["default"])('aw-');

        if (isInHeader) {
          column.headerCalculator = calculatorId;
        } else {
          column.bodyCalculators.push(calculatorId);
        }

        return /*#__PURE__*/_react["default"].createElement(Calculator, {
          id: calculatorId,
          AutoWidthInstance: this
        }, content, children);
      } else {
        return null;
      }
    }
  }, {
    key: "calcAndUpdate",
    value: function calcAndUpdate() {
      var _this = this;

      var colGroups = this.colGroups,
          columns = this.columns;
      var columnIds = Object.keys(columns);
      var maxValue = 0;
      var maxValueId = null;

      for (var _i = 0, _columnIds = columnIds; _i < _columnIds.length; _i++) {
        var id = _columnIds[_i];
        var column = columns[id];
        var headerCalculator = column.headerCalculator,
            bodyCalculators = column.bodyCalculators;

        if (headerCalculator) {
          column.headerWidth = this.Calculators[headerCalculator].getWidth();
        }

        if (bodyCalculators.length) {
          column.bodyWidths = bodyCalculators.map(function (i) {
            return _this.Calculators[i].getWidth();
          });
        }

        if (column.bodyWidths.length) {
          column.bestWidth = getBestWidth(column);

          if (column.bestWidth > maxValue) {
            maxValue = column.bestWidth;
            maxValueId = id;
          }
        }
      }

      if (maxValueId) {
        var _column = columns[maxValueId];
        _column.bestWidth = null;
      }

      var _iterator3 = _createForOfIteratorHelper(colGroups),
          _step3;

      try {
        for (_iterator3.s(); !(_step3 = _iterator3.n()).done;) {
          var colGroup = _step3.value;
          colGroup.forceUpdate();
        }
      } catch (err) {
        _iterator3.e(err);
      } finally {
        _iterator3.f();
      }
    }
  }, {
    key: "getBestWidth",
    value: function getBestWidth(columnId) {
      var column = this.columns[columnId];

      if (column && column.bestWidth) {
        return column.bestWidth + this.padding * 2;
      } else {
        return null;
      }
    }
  }]);

  return AutoWidth;
}();

exports["default"] = AutoWidth;

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

  var _super = _createSuper(Calculator);

  function Calculator(props) {
    var _this2;

    _classCallCheck(this, Calculator);

    _this2 = _super.call(this, props);
    var _this2$props = _this2.props,
        AutoWidthInstance = _this2$props.AutoWidthInstance,
        id = _this2$props.id;
    AutoWidthInstance.bindCalculator(id, _assertThisInitialized(_this2));
    return _this2;
  }

  _createClass(Calculator, [{
    key: "componentDidUpdate",
    value: function componentDidUpdate() {
      var _this$props = this.props,
          AutoWidthInstance = _this$props.AutoWidthInstance,
          id = _this$props.id;
      AutoWidthInstance.bindCalculator(id, this);
      var container = (0, _reactDom.findDOMNode)(this);
      container.style.display = 'block';
    }
  }, {
    key: "getWidth",
    value: function getWidth() {
      var container = (0, _reactDom.findDOMNode)(this);
      var content = container.querySelector('.auto-width-calculator-content');

      var _content$getBoundingC = content.getBoundingClientRect(),
          width = _content$getBoundingC.width;

      container.style.display = 'none';
      return width;
    }
  }, {
    key: "render",
    value: function render() {
      var _this$props2 = this.props,
          content = _this$props2.content,
          children = _this$props2.children;
      return /*#__PURE__*/_react["default"].createElement("div", {
        style: {
          cssText: 'position: relative; opacity: 0; pointer-events: none'
        }
      }, /*#__PURE__*/_react["default"].createElement("div", {
        style: {
          cssText: 'position: absolute; width: 2000px'
        }
      }, /*#__PURE__*/_react["default"].createElement("div", {
        className: "auto-width-calculator-content",
        style: {
          cssText: 'position: absolute'
        }
      }, content, children)));
    }
  }]);

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