material-ui/lib/radio-button-group.js

Material Design UI components built with React

'use strict';

var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };

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; }

var React = require('react');
var RadioButton = require('./radio-button');

var RadioButtonGroup = React.createClass({
  displayName: 'RadioButtonGroup',

  propTypes: {
    name: React.PropTypes.string.isRequired,
    valueSelected: React.PropTypes.string,
    defaultSelected: React.PropTypes.string,
    labelPosition: React.PropTypes.oneOf(['left', 'right']),
    onChange: React.PropTypes.func
  },

  _hasCheckAttribute: function _hasCheckAttribute(radioButton) {
    return radioButton.props.hasOwnProperty('checked') && radioButton.props.checked;
  },

  getInitialState: function getInitialState() {
    return {
      numberCheckedRadioButtons: 0,
      selected: this.props.valueSelected || this.props.defaultSelected || ''
    };
  },

  componentWillMount: function componentWillMount() {
    var _this = this;

    var cnt = 0;

    React.Children.forEach(this.props.children, function (option) {
      if (_this._hasCheckAttribute(option)) cnt++;
    }, this);

    this.setState({ numberCheckedRadioButtons: cnt });
  },

  componentWillReceiveProps: function componentWillReceiveProps(nextProps) {
    if (nextProps.hasOwnProperty('valueSelected')) {
      this.setState({ selected: nextProps.valueSelected });
    }
  },

  render: function render() {
    var _this2 = this;

    var options = React.Children.map(this.props.children, function (option) {
      var _option$props = option.props;
      var name = _option$props.name;
      var value = _option$props.value;
      var label = _option$props.label;
      var onCheck = _option$props.onCheck;

      var other = _objectWithoutProperties(_option$props, ['name', 'value', 'label', 'onCheck']);

      return React.createElement(RadioButton, _extends({}, other, {
        ref: option.props.value,
        name: _this2.props.name,
        key: option.props.value,
        value: option.props.value,
        label: option.props.label,
        labelPosition: _this2.props.labelPosition,
        onCheck: _this2._onChange,
        checked: option.props.value === _this2.state.selected }));
    }, this);

    return React.createElement(
      'div',
      {
        style: this.props.style,
        className: this.props.className || '' },
      options
    );
  },

  _updateRadioButtons: function _updateRadioButtons(newSelection) {
    if (this.state.numberCheckedRadioButtons === 0) {
      this.setState({ selected: newSelection });
    } else if (process.env.NODE_ENV !== 'production') {
      var message = 'Cannot select a different radio button while another radio button ' + 'has the \'checked\' property set to true.';
      console.error(message);
    }
  },

  _onChange: function _onChange(e, newSelection) {
    this._updateRadioButtons(newSelection);

    // Successful update
    if (this.state.numberCheckedRadioButtons === 0) {
      if (this.props.onChange) this.props.onChange(e, newSelection);
    }
  },

  getSelectedValue: function getSelectedValue() {
    return this.state.selected;
  },

  setSelectedValue: function setSelectedValue(newSelectionValue) {
    this._updateRadioButtons(newSelectionValue);
  },

  clearValue: function clearValue() {
    this.setSelectedValue('');
  }

});

module.exports = RadioButtonGroup;