@integec/grid-tools/lib/clipboard-utils.js

Integ Grid Tools

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.copyToClipboard = exports.fromPasteEvent = exports.expandDataToSelection = exports.normalizePasteInfo = exports.toClipboardData = undefined;

var _isEmpty = require('ramda/src/isEmpty');

var _isEmpty2 = _interopRequireDefault(_isEmpty);

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

var _compose2 = _interopRequireDefault(_compose);

var _map = require('ramda/src/map');

var _map2 = _interopRequireDefault(_map);

var _reduce = require('ramda/src/reduce');

var _reduce2 = _interopRequireDefault(_reduce);

var _data = require('data.maybe');

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

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

// prettier-ignore
var combineCliboardCells = (0, _reduce2.default)(function (a, b) {
  return a === '' ? b : a + '\t' + b;
}, '');

// prettier-ignore
var combineCliboardRows = (0, _reduce2.default)(function (a, b) {
  return a === '' ? b : a + '\r' + b;
}, '');

var normalizeCellsForClipboard = (0, _map2.default)(function (a) {
  return (0, _utils.fromEmpty)(a).getOrElse('');
});

var toClipboardData = exports.toClipboardData = (0, _compose2.default)(combineCliboardRows, (0, _map2.default)(combineCliboardCells), (0, _map2.default)(normalizeCellsForClipboard));

var clearNil = function clearNil(row) {
  return row.map(function (d) {
    return (0, _isEmpty2.default)(d) ? undefined : d;
  });
};

var normalizePasteInfo = exports.normalizePasteInfo = function normalizePasteInfo(selection) {
  return function (data) {
    var dataSet = expandDataToSelection(selection)(data);
    var x1 = selection.x1,
        y1 = selection.y1;

    return { columnIndex: x1, rowIndex: y1, dataSet: dataSet };
  };
};

var parseClipData = function parseClipData(rawData) {
  return rawData.split(rawData.includes('\r') ? '\r' : '\n')
  //excel may copy extra 0 length line
  .filter(function (row) {
    return row.length > 0;
  }).map(function (row) {
    return clearNil(row.split('\t'));
  });
};

var expandDataToSelection = exports.expandDataToSelection = function expandDataToSelection(selection) {
  return function (data) {
    var x1 = selection.x1,
        x2 = selection.x2,
        y1 = selection.y1,
        y2 = selection.y2;

    var colCount = x2 - x1 + 1;
    var rowCount = y2 - y1 + 1;
    if (!data.length && data.length === 0 || rowCount <= data.length && colCount <= data[0].length || colCount === 1 && rowCount === 1) {
      return data;
    }

    var fittedData = [];
    for (var row = 0; row < rowCount || row < data.length; row++) {
      var rowData = [];
      var originalRow = data[row % data.length];
      for (var col = 0; col < colCount || col < originalRow.length; col++) {
        rowData.push(originalRow[col % originalRow.length]);
      }
      fittedData.push(rowData);
    }
    return fittedData;
  };
};

// prettier-ignore
var fromPasteEvent = exports.fromPasteEvent = function fromPasteEvent(evt) {
  return (0, _data.fromNullable)(evt.clipboardData).chain(function (clipData) {
    return (0, _utils.fromEmpty)(clipData.getData('Text'));
  }).map(parseClipData);
};

var copyToClipboard = exports.copyToClipboard = function copyToClipboard(_ref) {
  var evt = _ref.evt,
      clipboard = _ref.clipboard;
  return function (txtData) {
    clipboard.setData('Text', txtData);
    evt.preventDefault();
    console.log('copied data: [', clipboard.getData('Text'), ']');
  };
};
//# sourceMappingURL=clipboard-utils.js.map