text: import "core-js/modules/es.symbol";
  import "core-js/modules/es.symbol.description";
  import "core-js/modules/es.symbol.iterator";
  import "core-js/modules/es.array.iterator";
  import "core-js/modules/es.object.get-prototype-of";
  import "core-js/modules/es.object.set-prototype-of";
  import "core-js/modules/es.object.to-string";
  import "core-js/modules/es.reflect.construct";
  import "core-js/modules/es.regexp.to-string";
  import "core-js/modules/es.string.iterator";
  import "core-js/modules/web.dom-collections.iterator";
  
  function _typeof(obj) { "@babel/helpers - typeof"; 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 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; } }
  
  function _construct(Parent, args, Class) { if (isNativeReflectConstruct()) { _construct = Reflect.construct; } else { _construct = function _construct(Parent, args, Class) { var a = [null]; a.push.apply(a, args); var Constructor = Function.bind.apply(Parent, a); var instance = new Constructor(); if (Class) _setPrototypeOf(instance, Class.prototype); return instance; }; } return _construct.apply(null, arguments); }
  
  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 _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
  
  function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
  
  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); }
  
  import { addClass, getScrollbarWidth, getScrollLeft, getWindowScrollTop, hasClass, outerWidth, removeClass, setOverlayPosition, resetCssTransform } from './../../../../helpers/dom/element';
  import LeftOverlayTable from './../table/left';
  import Overlay from './_base';
  /**
   * @class LeftOverlay
   */
  
  var LeftOverlay =
  /*#__PURE__*/
  function (_Overlay) {
    _inherits(LeftOverlay, _Overlay);
  
    /**
     * @param {Walkontable} wotInstance
     */
    function LeftOverlay(wotInstance) {
      var _this;
  
      _classCallCheck(this, LeftOverlay);
  
      _this = _possibleConstructorReturn(this, _getPrototypeOf(LeftOverlay).call(this, wotInstance));
      _this.clone = _this.makeClone(Overlay.CLONE_LEFT);
      return _this;
    }
    /**
     * Factory method to create a subclass of `Table` that is relevant to this overlay.
     *
     * @see Table#constructor
     * @param {...*} args Parameters that will be forwarded to the `Table` constructor
     * @returns {Table}
     */
  
  
    _createClass(LeftOverlay, [{
      key: "createTable",
      value: function createTable() {
        for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
          args[_key] = arguments[_key];
        }
  
        return _construct(LeftOverlayTable, args);
      }
      /**
       * Checks if overlay should be fully rendered.
       *
       * @returns {Boolean}
       */
  
    }, {
      key: "shouldBeRendered",
      value: function shouldBeRendered() {
        return !!(this.wot.getSetting('fixedColumnsLeft') || this.wot.getSetting('rowHeaders').length);
      }
      /**
       * Updates the left overlay position.
       */
  
    }, {
      key: "resetFixedPosition",
      value: function resetFixedPosition() {
        var wtTable = this.wot.wtTable;
  
        if (!this.needFullRender || !wtTable.holder.parentNode) {
          // removed from DOM
          return;
        }
  
        var overlayRoot = this.clone.wtTable.holder.parentNode;
        var headerPosition = 0;
        var preventOverflow = this.wot.getSetting('preventOverflow');
  
        if (this.trimmingContainer === this.wot.rootWindow && (!preventOverflow || preventOverflow !== 'horizontal')) {
          var box = wtTable.hider.getBoundingClientRect();
          var left = Math.ceil(box.left);
          var right = Math.ceil(box.right);
          var finalLeft;
          var finalTop;
          finalTop = wtTable.hider.style.top;
          finalTop = finalTop === '' ? 0 : finalTop;
  
          if (left < 0 && right - overlayRoot.offsetWidth > 0) {
            finalLeft = -left;
          } else {
            finalLeft = 0;
          }
  
          headerPosition = finalLeft;
          finalLeft += 'px';
          setOverlayPosition(overlayRoot, finalLeft, finalTop);
        } else {
          headerPosition = this.getScrollPosition();
          resetCssTransform(overlayRoot);
        }
  
        this.adjustHeaderBordersPosition(headerPosition);
        this.adjustElementsSize();
      }
      /**
       * Sets the main overlay's horizontal scroll position.
       *
       * @param {Number} pos
       * @returns {Boolean}
       */
  
    }, {
      key: "setScrollPosition",
      value: function setScrollPosition(pos) {
        var rootWindow = this.wot.rootWindow;
        var result = false;
  
        if (this.mainTableScrollableElement === rootWindow && rootWindow.scrollX !== pos) {
          rootWindow.scrollTo(pos, getWindowScrollTop(rootWindow));
          result = true;
        } else if (this.mainTableScrollableElement.scrollLeft !== pos) {
          this.mainTableScrollableElement.scrollLeft = pos;
          result = true;
        }
  
        return result;
      }
      /**
       * Triggers onScroll hook callback.
       */
  
    }, {
      key: "onScroll",
      value: function onScroll() {
        this.wot.getSetting('onScrollVertically');
      }
      /**
       * Calculates total sum cells width.
       *
       * @param {Number} from Column index which calculates started from.
       * @param {Number} to Column index where calculation is finished.
       * @returns {Number} Width sum.
       */
  
    }, {
      key: "sumCellSizes",
      value: function sumCellSizes(from, to) {
        var defaultColumnWidth = this.wot.wtSettings.defaultColumnWidth;
        var column = from;
        var sum = 0;
  
        while (column < to) {
          sum += this.wot.wtTable.getStretchedColumnWidth(column) || defaultColumnWidth;
          column += 1;
        }
  
        return sum;
      }
      /**
       * Adjust overlay root element, childs and master table element sizes (width, height).
       *
       * @param {Boolean} [force=false]
       */
  
    }, {
      key: "adjustElementsSize",
      value: function adjustElementsSize() {
        var force = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
        this.updateTrimmingContainer();
  
        if (this.needFullRender || force) {
          this.adjustRootElementSize();
          this.adjustRootChildrenSize();
  
          if (!force) {
            this.areElementSizesAdjusted = true;
          }
        }
      }
      /**
       * Adjust overlay root element size (width and height).
       */
  
    }, {
      key: "adjustRootElementSize",
      value: function adjustRootElementSize() {
        var _this$wot = this.wot,
            wtTable = _this$wot.wtTable,
            rootDocument = _this$wot.rootDocument,
            rootWindow = _this$wot.rootWindow;
        var scrollbarHeight = getScrollbarWidth(rootDocument);
        var overlayRoot = this.clone.wtTable.holder.parentNode;
        var overlayRootStyle = overlayRoot.style;
        var preventOverflow = this.wot.getSetting('preventOverflow');
  
        if (this.trimmingContainer !== rootWindow || preventOverflow === 'vertical') {
          var height = this.wot.wtViewport.getWorkspaceHeight();
  
          if (this.wot.wtOverlays.hasScrollbarBottom) {
            height -= scrollbarHeight;
          }
  
          height = Math.min(height, wtTable.wtRootElement.scrollHeight);
          overlayRootStyle.height = "".concat(height, "px");
        } else {
          overlayRootStyle.height = '';
        }
  
        this.clone.wtTable.holder.style.height = overlayRootStyle.height;
        var tableWidth = outerWidth(this.clone.wtTable.TABLE);
        overlayRootStyle.width = "".concat(tableWidth === 0 ? tableWidth : tableWidth + 4, "px");
      }
      /**
       * Adjust overlay root childs size.
       */
  
    }, {
      key: "adjustRootChildrenSize",
      value: function adjustRootChildrenSize() {
        var scrollbarWidth = getScrollbarWidth(this.wot.rootDocument);
        this.clone.wtTable.hider.style.height = this.hider.style.height;
        this.clone.wtTable.holder.style.height = this.clone.wtTable.holder.parentNode.style.height;
  
        if (scrollbarWidth === 0) {
          scrollbarWidth = 30;
        }
  
        this.clone.wtTable.holder.style.width = "".concat(parseInt(this.clone.wtTable.holder.parentNode.style.width, 10) + scrollbarWidth, "px");
      }
      /**
       * Adjust the overlay dimensions and position.
       */
  
    }, {
      key: "applyToDOM",
      value: function applyToDOM() {
        var total = this.wot.getSetting('totalColumns');
  
        if (!this.areElementSizesAdjusted) {
          this.adjustElementsSize();
        }
  
        if (typeof this.wot.wtViewport.columnsRenderCalculator.startPosition === 'number') {
          this.spreader.style.left = "".concat(this.wot.wtViewport.columnsRenderCalculator.startPosition, "px");
        } else if (total === 0) {
          this.spreader.style.left = '0';
        } else {
          throw new Error('Incorrect value of the columnsRenderCalculator');
        }
  
        this.spreader.style.right = '';
  
        if (this.needFullRender) {
          this.syncOverlayOffset();
        }
      }
      /**
       * Synchronize calculated top position to an element.
       */
  
    }, {
      key: "syncOverlayOffset",
      value: function syncOverlayOffset() {
        if (typeof this.wot.wtViewport.rowsRenderCalculator.startPosition === 'number') {
          this.clone.wtTable.spreader.style.top = "".concat(this.wot.wtViewport.rowsRenderCalculator.startPosition, "px");
        } else {
          this.clone.wtTable.spreader.style.top = '';
        }
      }
      /**
       * Scrolls horizontally to a column at the left edge of the viewport.
       *
       * @param {Number} sourceCol  Column index which you want to scroll to.
       * @param {Boolean} [beyondRendered]  if `true`, scrolls according to the bottom edge (top edge is by default).
       * @returns {Boolean}
       */
  
    }, {
      key: "scrollTo",
      value: function scrollTo(sourceCol, beyondRendered) {
        var newX = this.getTableParentOffset();
        var sourceInstance = this.wot.cloneSource ? this.wot.cloneSource : this.wot;
        var mainHolder = sourceInstance.wtTable.holder;
        var scrollbarCompensation = 0;
  
        if (beyondRendered && mainHolder.offsetWidth !== mainHolder.clientWidth) {
          scrollbarCompensation = getScrollbarWidth(this.wot.rootDocument);
        }
  
        if (beyondRendered) {
          newX += this.sumCellSizes(0, sourceCol + 1);
          newX -= this.wot.wtViewport.getViewportWidth();
        } else {
          newX += this.sumCellSizes(this.wot.getSetting('fixedColumnsLeft'), sourceCol);
        }
  
        newX += scrollbarCompensation;
        return this.setScrollPosition(newX);
      }
      /**
       * Gets table parent left position.
       *
       * @returns {Number}
       */
  
    }, {
      key: "getTableParentOffset",
      value: function getTableParentOffset() {
        var preventOverflow = this.wot.getSetting('preventOverflow');
        var offset = 0;
  
        if (!preventOverflow && this.trimmingContainer === this.wot.rootWindow) {
          offset = this.wot.wtTable.holderOffset.left;
        }
  
        return offset;
      }
      /**
       * Gets the main overlay's horizontal scroll position.
       *
       * @returns {Number} Main table's vertical scroll position.
       */
  
    }, {
      key: "getScrollPosition",
      value: function getScrollPosition() {
        return getScrollLeft(this.mainTableScrollableElement, this.wot.rootWindow);
      }
      /**
       * Adds css classes to hide the header border's header (cell-selection border hiding issue).
       *
       * @param {Number} position Header X position if trimming container is window or scroll top if not.
       */
  
    }, {
      key: "adjustHeaderBordersPosition",
      value: function adjustHeaderBordersPosition(position) {
        var masterParent = this.wot.wtTable.holder.parentNode;
        var rowHeaders = this.wot.getSetting('rowHeaders');
        var fixedColumnsLeft = this.wot.getSetting('fixedColumnsLeft');
        var totalRows = this.wot.getSetting('totalRows');
  
        if (totalRows) {
          removeClass(masterParent, 'emptyRows');
        } else {
          addClass(masterParent, 'emptyRows');
        }
  
        if (fixedColumnsLeft && !rowHeaders.length) {
          addClass(masterParent, 'innerBorderLeft');
        } else if (!fixedColumnsLeft && rowHeaders.length) {
          var previousState = hasClass(masterParent, 'innerBorderLeft');
  
          if (position) {
            addClass(masterParent, 'innerBorderLeft');
          } else {
            removeClass(masterParent, 'innerBorderLeft');
          }
  
          if (!previousState && position || previousState && !position) {
            this.wot.wtOverlays.adjustElementsSize();
          }
        }
      }
    }]);
  
    return LeftOverlay;
  }(Overlay);
  
  Overlay.registerOverlay(Overlay.CLONE_LEFT, LeftOverlay);
  export default LeftOverlay;