react-mwc/Slider/index.js

A thin React wrapper for Material Design (Web) Components

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 _objectWithoutProperties(obj, keys) { var target = {}; for (var i in obj) { if (keys.indexOf(i) >= 0) continue; if (!Object.prototype.hasOwnProperty.call(obj, i)) continue; target[i] = obj[i]; } return target; }

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; }

import React from 'react';
import ReactDOM from 'react-dom';
import PropTypes from 'prop-types';
import classNames from 'classnames';
import { MDCSlider } from '@material/slider/dist/mdc.slider';
import { propMeta } from '../Base/prop-meta';
import { noop } from '../Base/noop';
import MDCComponentBase from '../Base/mdc-component-base';
import { simpleComponentFactory } from '../Base/simple-component-factory';

export var SliderRoot = simpleComponentFactory('SliderRoot', {
  classNames: 'mdc-slider'
});

export var SliderTrackContainer = simpleComponentFactory('SliderTrackContainer', {
  classNames: 'mdc-slider__track-container'
});

export var SliderTrack = simpleComponentFactory('SliderTrack', {
  classNames: 'mdc-slider__track'
});

export var SliderTrackMarkerContainer = simpleComponentFactory('SliderTrackMarkerContainer', {
  classNames: 'mdc-slider__track-marker-container'
});

export var SliderThumbContainer = simpleComponentFactory('SliderThumbContainer', {
  classNames: 'mdc-slider__thumb-container'
});

export var SliderPin = simpleComponentFactory('SliderPin', {
  classNames: 'mdc-slider__pin'
});

export var SliderPinValueMarker = simpleComponentFactory('SliderPinValueMarker', {
  tag: 'span',
  classNames: 'mdc-slider__pin-value-marker'
});

export var SliderThumb = function SliderThumb(props) {
  return React.createElement(
    'svg',
    { className: 'mdc-slider__thumb', width: '21', height: '21' },
    React.createElement('circle', { cx: '10.5', cy: '10.5', r: '7.875' })
  );
};

export var SliderFocusRing = simpleComponentFactory('SliderFocusRing', {
  classNames: 'mdc-slider__focus-ring'
});

export var Slider = function (_MDCComponentBase) {
  _inherits(Slider, _MDCComponentBase);

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

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

  _createClass(Slider, [{
    key: 'MDCComponentDidMount',
    value: function MDCComponentDidMount() {
      var _this2 = this;

      this.MDCRegisterListener('MDCSlider:input', function (evt) {
        evt.target.value = _this2.MDCApi.value;
        _this2.props.onChange(evt);
      });

      this.MDCRegisterListener('MDCSlider:change', function (evt) {
        evt.target.value = _this2.MDCApi.value;
        _this2.props.onChange(evt);
      });
    }
  }, {
    key: 'MDCHandleProps',
    value: function MDCHandleProps(props) {
      var _this3 = this;

      if (this.MDCApi.value !== props.value) {
        this.MDCApi.value = props.value;
        this.props.onChange({ target: { value: this.MDCApi.value } });
      }

      ['min', 'max', 'step', 'disabled'].forEach(function (key) {
        return _this3.MDCApi[key] = props[key];
      });
    }
  }, {
    key: 'render',
    value: function render() {
      var _this4 = this;

      var _props = this.props,
          value = _props.value,
          min = _props.min,
          max = _props.max,
          discrete = _props.discrete,
          displayMarkers = _props.displayMarkers,
          apiRef = _props.apiRef,
          step = _props.step,
          onChange = _props.onChange,
          className = _props.className,
          disabled = _props.disabled,
          rest = _objectWithoutProperties(_props, ['value', 'min', 'max', 'discrete', 'displayMarkers', 'apiRef', 'step', 'onChange', 'className', 'disabled']);

      if (displayMarkers && !discrete) {
        console.warn('The \'displayMarkers\' prop on rmwc Slider will only work in conjunction with the \'discrete\' prop');
      }

      var classes = classNames(className, {
        'mdc-slider--discrete': discrete,
        'mdc-slider--display-markers': displayMarkers && discrete
      });

      var dataStep = step ? { 'data-step': step } : {};

      return React.createElement(
        SliderRoot,
        Object.assign({
          elementRef: function elementRef(el) {
            return _this4.MDCSetRootElement(el);
          },
          className: classes,
          tabIndex: '0',
          role: 'slider',
          'aria-valuemin': min,
          'aria-valuemax': max,
          'aria-valuenow': value,
          'aria-label': 'Select Value'
        }, disabled ? { 'aria-disabled': disabled } : {}, dataStep, rest),
        React.createElement(
          SliderTrackContainer,
          null,
          React.createElement(SliderTrack, null),
          displayMarkers && React.createElement(SliderTrackMarkerContainer, null)
        ),
        React.createElement(
          SliderThumbContainer,
          null,
          discrete && React.createElement(
            SliderPin,
            null,
            React.createElement(SliderPinValueMarker, null)
          ),
          React.createElement(SliderThumb, null),
          React.createElement(SliderFocusRing, null)
        )
      );
    }
  }]);

  return Slider;
}(MDCComponentBase);

Object.defineProperty(Slider, 'MDCComponentClass', {
  enumerable: true,
  writable: true,
  value: MDCSlider
});
Object.defineProperty(Slider, 'propTypes', {
  enumerable: true,
  writable: true,
  value: Object.assign({
    onChange: PropTypes.func,
    value: PropTypes.oneOfType([PropTypes.number, PropTypes.string]),
    min: PropTypes.oneOfType([PropTypes.number, PropTypes.string]),
    max: PropTypes.oneOfType([PropTypes.number, PropTypes.string]),
    step: PropTypes.oneOfType([PropTypes.number, PropTypes.string]),
    discrete: PropTypes.bool,
    displayMarkers: PropTypes.bool,
    disabled: PropTypes.bool
  }, MDCComponentBase.propTypes)
});
Object.defineProperty(Slider, 'defaultProps', {
  enumerable: true,
  writable: true,
  value: Object.assign({
    onChange: noop,
    value: 0,
    min: 0,
    max: 100,
    step: undefined,
    discrete: false,
    displayMarkers: false,
    disabled: false
  }, MDCComponentBase.defaultProps)
});
Object.defineProperty(Slider, 'propMeta', {
  enumerable: true,
  writable: true,
  value: propMeta(Object.assign({
    onChange: {
      type: 'Function',
      desc: "A callback that takes an event with event.target.value set to the Slider's value."
    },
    value: {
      type: 'Number',
      desc: 'The value of the Slider.'
    },
    min: {
      type: 'Number',
      desc: 'The minimum value of the Slider.'
    },
    max: {
      type: 'Number',
      desc: 'The maximum value of the Slider'
    },
    step: {
      type: 'Number',
      desc: 'A step to quantize values by.'
    },
    discrete: {
      type: 'Boolean',
      desc: 'Displays the exact value of the Slider on the knob.'
    },
    displayMarkers: {
      type: 'Boolean',
      desc: 'Displays the individual step markers on the Slider track.'
    },
    disabled: {
      type: 'Boolean',
      desc: 'Disables the control.'
    }
  }, MDCComponentBase.propMeta))
});
export default Slider;