@integec/grid-tools/lib/computeGridProps.js

Integ Grid Tools

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _min = require('ramda/src/min');

var _min2 = _interopRequireDefault(_min);

var _isNil = require('ramda/src/isNil');

var _isNil2 = _interopRequireDefault(_isNil);

var _takeWhile = require('ramda/src/takeWhile');

var _takeWhile2 = _interopRequireDefault(_takeWhile);

var _compose = require('ramda/src/compose');

var _compose2 = _interopRequireDefault(_compose);

var _drop = require('ramda/src/drop');

var _drop2 = _interopRequireDefault(_drop);

var _take = require('ramda/src/take');

var _take2 = _interopRequireDefault(_take);

var _utils = require('./utils');

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

var splitFixedCols = function splitFixedCols(numOfFixedCols, headers) {
  return {
    rowHeaders: (0, _take2.default)(numOfFixedCols, headers),
    dataHeaders: (0, _drop2.default)(numOfFixedCols, headers)
  };
};

var countKeyCols = (0, _compose2.default)(function (l) {
  return l.length;
}, (0, _takeWhile2.default)(function (h) {
  return h.isKey;
}));

var computeGridViewProps = function computeGridViewProps(_ref) {
  var headers = _ref.headers,
      data = _ref.data,
      rowHeight = _ref.rowHeight,
      width = _ref.width,
      height = _ref.height,
      _ref$scrollBarWidthAd = _ref.scrollBarWidthAdjustment,
      scrollBarWidthAdjustment = _ref$scrollBarWidthAd === undefined ? 17 : _ref$scrollBarWidthAd,
      _ref$scrollBarHeightA = _ref.scrollBarHeightAdjustment,
      scrollBarHeightAdjustment = _ref$scrollBarHeightA === undefined ? 17 : _ref$scrollBarHeightA,
      _ref$fixedScrollHeigh = _ref.fixedScrollHeightAdjustment,
      fixedScrollHeightAdjustment = _ref$fixedScrollHeigh === undefined ? 6 : _ref$fixedScrollHeigh,
      _ref$borderSize = _ref.borderSize,
      borderSize = _ref$borderSize === undefined ? 1 : _ref$borderSize,
      fixedColCount = _ref.fixedColCount,
      autoFixColByKey = _ref.autoFixColByKey,
      headerRowHeight = _ref.headerRowHeight,
      hasPaging = _ref.hasPaging,
      pagerHeight = _ref.pagerHeight;

  var rawDataWidth = (0, _utils.sumWidth)(headers);
  var rawDataHeight = (0, _utils.sumHeight)({ data: data, rowHeight: rowHeight });
  var normalizedWidth = (0, _isNil2.default)(width) ? rawDataWidth : (0, _min2.default)(width, rawDataWidth);

  /* do not scroll when we can fit everything */
  var scroll = width && height && headerRowHeight && (width < rawDataWidth || height < rawDataHeight);
  var scrollX = scroll && width < rawDataWidth;
  var scrollY = scroll && height < rawDataHeight;
  var numOfFixedCols = !scrollX ? 0 : autoFixColByKey ? countKeyCols(headers) : fixedColCount;

  var _splitFixedCols = splitFixedCols(numOfFixedCols, headers),
      rowHeaders = _splitFixedCols.rowHeaders,
      dataHeaders = _splitFixedCols.dataHeaders;

  var containerWidth = normalizedWidth + (headers.length - 1) * borderSize + (scrollY ? scrollBarWidthAdjustment : 0);

  var scrollPaneHeight = numOfFixedCols > 0 && scrollX ? height + 5 + scrollBarHeightAdjustment : height + 5;

  var fixedPaneHeight = height;

  // TODO: min of rawDataHeight or specified width
  var containerHeight = (0, _isNil2.default)(height) ? undefined : height + (scroll ? scrollBarHeightAdjustment : 0) + (hasPaging ? pagerHeight : 0);

  var hasFixedCols = numOfFixedCols > 0;

  return {
    scroll: scroll,
    scrollX: scrollX,
    scrollY: scrollY,
    numOfFixedCols: numOfFixedCols,
    rowHeaders: rowHeaders,
    dataHeaders: dataHeaders,
    containerWidth: containerWidth,
    scrollPaneHeight: scrollPaneHeight,
    fixedPaneHeight: fixedPaneHeight,
    containerHeight: containerHeight,
    hasFixedCols: hasFixedCols,
    fixedHeaderWidth: (0, _utils.sumWidth)(rowHeaders),
    contentViewPortWidth: hasFixedCols ? containerWidth - (0, _utils.sumWidth)(rowHeaders) : scroll ? containerWidth : null,
    totalWidth: (0, _utils.sumWidth)(headers)
  };
};
exports.default = computeGridViewProps;
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