ucsc-xena-client/dist/views/Legend.js

UCSC Xena Client. Functional genomics visualizations.

'use strict';

var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }();

var _createClass = 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); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

var React = require('react');
var _ = require('../underscore_ext');
var colorHelper = require('../color_helper');

// Styles
var compStyles = require('./Legend.module.css');

var nodata = [["null (no data)", "#808080"]];

var Legend = function (_React$Component) {
	_inherits(Legend, _React$Component);

	function Legend() {
		_classCallCheck(this, Legend);

		return _possibleConstructorReturn(this, (Legend.__proto__ || Object.getPrototypeOf(Legend)).apply(this, arguments));
	}

	_createClass(Legend, [{
		key: 'render',
		value: function render() {
			var _props = this.props,
			    labels = _props.labels,
			    colors = _props.colors,
			    max = _props.max,
			    footnotes = _props.footnotes,
			    ellipsis = labels.length > max,
			    items = _.map(nodata.concat(_.last(_.zip(labels, colors), max)), function (_ref, i) {
				var _ref2 = _slicedToArray(_ref, 2),
				    l = _ref2[0],
				    c = _ref2[1];

				return React.createElement(
					'label',
					{ className: compStyles.label,
						key: i,
						title: l,
						style: { backgroundColor: c,
							color: colorHelper.contrastColor(c) } },
					l
				);
			}).reverse(),
			    footnotesItems = footnotes ? footnotes.map(function (text, i) {
				return React.createElement(
					'div',
					{ key: i, className: compStyles.footnotes },
					text
				);
			}) : null;

			return React.createElement(
				'div',
				{ className: compStyles.Legend },
				items ? React.createElement(
					'div',
					{ className: compStyles.column },
					items
				) : null,
				ellipsis ? React.createElement(
					'div',
					null,
					'...'
				) : null,
				footnotes ? footnotesItems : null
			);
		}
	}]);

	return Legend;
}(React.Component);

Legend.defaultProps = { max: 40 };


module.exports = Legend;