react-virtualized/dist/es/MultiGrid/CellMeasurerCacheDecorator.js

React components for efficiently rendering large, scrollable lists and tabular data

import _classCallCheck from 'babel-runtime/helpers/classCallCheck';
import _createClass from 'babel-runtime/helpers/createClass';
import { CellMeasurerCache } from '../CellMeasurer';

/**
 * Caches measurements for a given cell.
 */
var CellMeasurerCacheDecorator = function () {
  function CellMeasurerCacheDecorator() {
    var _this = this;

    var params = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};

    _classCallCheck(this, CellMeasurerCacheDecorator);

    this.columnWidth = function (_ref) {
      var index = _ref.index;

      _this._cellMeasurerCache.columnWidth({
        index: index + _this._columnIndexOffset
      });
    };

    this.rowHeight = function (_ref2) {
      var index = _ref2.index;

      _this._cellMeasurerCache.rowHeight({
        index: index + _this._rowIndexOffset
      });
    };

    var cellMeasurerCache = params.cellMeasurerCache,
        _params$columnIndexOf = params.columnIndexOffset,
        columnIndexOffset = _params$columnIndexOf === undefined ? 0 : _params$columnIndexOf,
        _params$rowIndexOffse = params.rowIndexOffset,
        rowIndexOffset = _params$rowIndexOffse === undefined ? 0 : _params$rowIndexOffse;


    this._cellMeasurerCache = cellMeasurerCache;
    this._columnIndexOffset = columnIndexOffset;
    this._rowIndexOffset = rowIndexOffset;
  }

  _createClass(CellMeasurerCacheDecorator, [{
    key: 'clear',
    value: function clear(rowIndex, columnIndex) {
      this._cellMeasurerCache.clear(rowIndex + this._rowIndexOffset, columnIndex + this._columnIndexOffset);
    }
  }, {
    key: 'clearAll',
    value: function clearAll() {
      this._cellMeasurerCache.clearAll();
    }
  }, {
    key: 'hasFixedHeight',
    value: function hasFixedHeight() {
      return this._cellMeasurerCache.hasFixedHeight();
    }
  }, {
    key: 'hasFixedWidth',
    value: function hasFixedWidth() {
      return this._cellMeasurerCache.hasFixedWidth();
    }
  }, {
    key: 'getHeight',
    value: function getHeight(rowIndex) {
      var columnIndex = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;

      return this._cellMeasurerCache.getHeight(rowIndex + this._rowIndexOffset, columnIndex + this._columnIndexOffset);
    }
  }, {
    key: 'getWidth',
    value: function getWidth(rowIndex) {
      var columnIndex = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;

      return this._cellMeasurerCache.getWidth(rowIndex + this._rowIndexOffset, columnIndex + this._columnIndexOffset);
    }
  }, {
    key: 'has',
    value: function has(rowIndex) {
      var columnIndex = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;

      return this._cellMeasurerCache.has(rowIndex + this._rowIndexOffset, columnIndex + this._columnIndexOffset);
    }
  }, {
    key: 'set',
    value: function set(rowIndex, columnIndex, width, height) {
      this._cellMeasurerCache.set(rowIndex + this._rowIndexOffset, columnIndex + this._columnIndexOffset, width, height);
    }
  }, {
    key: 'defaultHeight',
    get: function get() {
      return this._cellMeasurerCache.defaultHeight;
    }
  }, {
    key: 'defaultWidth',
    get: function get() {
      return this._cellMeasurerCache.defaultWidth;
    }
  }]);

  return CellMeasurerCacheDecorator;
}();

export default CellMeasurerCacheDecorator;