fc-react-slider/dist/Slider/Rail.js

A fully featured slider component made in React

'use strict';

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

var _react = require('react');

var _react2 = _interopRequireDefault(_react);

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

var _constants = require('./constants');

var _constants2 = _interopRequireDefault(_constants);

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

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

/**
 * Returns rail's position value of `left` for horizontal slider and `top`
 * for vertical slider
 * @param value
 * @param min
 * @param max
 * @param orientation
 * @returns {number} Value in Percentage
 */
function getDirectionPositionForRange(value, min, max, orientation) {
  return (0, _utils.isVertical)(orientation) ?
  // as upper value is used to calculate `top`;
  Math.round(((max - value[1]) / max - min) * 100) : Math.round((value[0] / max - min) * 100);
}

function Rail(props) {
  var _railStyle;

  var value = props.value,
      min = props.min,
      max = props.max,
      orientation = props.orientation,
      isRangeType = props.isRangeType;


  var difference = isRangeType ? value[1] - value[0] : value;
  var dimensionValue = difference / (max - min) * 100;

  var directionValue = getDirectionPositionForRange(value, min, max, orientation);

  var railStyle = (_railStyle = {}, _defineProperty(_railStyle, _constants2.default[orientation].direction, directionValue + '%'), _defineProperty(_railStyle, _constants2.default[orientation].dimension, dimensionValue + '%'), _railStyle);

  if (!isRangeType) {
    railStyle[(0, _utils.isVertical)(orientation) ? 'bottom' : 'left'] = 0;
    if ((0, _utils.isVertical)(orientation)) {
      railStyle.top = 100 - dimensionValue + '%';
    } else {
      railStyle.left = 0;
    }
  }

  return _react2.default.createElement('div', { className: 'slider-rail', style: railStyle });
}

Rail.propTypes = {
  isRangeType: _react.PropTypes.bool.isRequired,
  max: _react.PropTypes.number.isRequired,
  min: _react.PropTypes.number.isRequired,
  orientation: _react.PropTypes.string.isRequired,
  value: _react.PropTypes.array.isRequired
};