react-conventions/lib/components/FormGroup/FormGroup.js

An open source set of React components that implement Ambassador's Design and UX patterns.

'use strict';

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

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; }; }();

var _react = require('react');

var _react2 = _interopRequireDefault(_react);

var _debounce = require('lodash/debounce');

var _debounce2 = _interopRequireDefault(_debounce);

var _immutable = require('immutable');

var _immutable2 = _interopRequireDefault(_immutable);

var _style = require('./style.scss');

var _style2 = _interopRequireDefault(_style);

var _OptClass = require('../internal/OptClass');

var _OptClass2 = _interopRequireDefault(_OptClass);

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

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 FormGroup = function (_React$Component) {
  _inherits(FormGroup, _React$Component);

  function FormGroup(props) {
    _classCallCheck(this, FormGroup);

    var _this = _possibleConstructorReturn(this, (FormGroup.__proto__ || Object.getPrototypeOf(FormGroup)).call(this, props));

    _this.componentWillMount = function () {
      _this.setState({
        fields: _immutable2.default.fromJS(_this.props.schema)
      });
    };

    _this.handleSubmit = function (event) {
      event.preventDefault();
      if (typeof _this.props.submitCallback === 'function') {
        _this.props.submitCallback(event, _this.state.fields.toJS());
      }
    };

    _this.handleChange = function (event) {
      var val = event.target.value;

      // Handle checkbox values
      if (event.target.type === 'checkbox') {
        val = event.target.checked;
      }

      _this.setState(function (prevState) {
        return {
          fields: prevState.fields.setIn([event.target.name, 'value'], val)
        };
      }, function () {
        if (_this.props.changeCallback) {
          _this.props.changeCallback(_this.state.fields.toJS());
        }
      });
    };

    _this.renderForm = function () {
      var elements = _this.getElements(_this.props.children);
      var formGroupClass = (0, _OptClass2.default)(_style2.default, 'form-group', _this.props.optClass);
      var formWrapper = void 0;

      if (!_this.props.nested) {
        formWrapper = _react2.default.createElement(
          'form',
          { className: formGroupClass, onSubmit: _this.handleSubmit },
          _react2.default.createElement(
            'fieldset',
            { className: _style2.default.fieldset },
            elements
          )
        );
      } else {
        var fieldsetClass = (0, _OptClass2.default)(_style2.default, 'fieldset', _this.props.optClass);
        formWrapper = _react2.default.createElement(
          'fieldset',
          { className: fieldsetClass },
          elements
        );
      }
      return formWrapper;
    };

    _this.debounce = (0, _debounce2.default)(_this.handleChange, _this.props.debounceTime);
    return _this;
  }

  _createClass(FormGroup, [{
    key: 'componentWillReceiveProps',
    value: function componentWillReceiveProps(nextProps) {
      var nextPropsSchema = _immutable2.default.fromJS(nextProps.schema);
      var thisPropsSchema = _immutable2.default.fromJS(this.props.schema);

      if (!_immutable2.default.is(nextPropsSchema, thisPropsSchema)) {
        this.setState({
          fields: _immutable2.default.fromJS(nextProps.schema)
        });
      }
    }
  }, {
    key: 'getElements',
    value: function getElements(children) {
      var _this2 = this;

      return _react2.default.Children.map(children, function (child) {
        var childProps = {};
        if (child.props) {
          var name = child.props.name;
          var value = _this2.state.fields.getIn([name, 'value']);
          var valueIsImmutable = _immutable2.default.Iterable.isIterable(value);
          var valueProp = valueIsImmutable ? value.toJS() : value;
          if (_this2.state.fields.has(name) && _react2.default.isValidElement(child)) {
            childProps = {
              changeCallback: _this2.props.debounceTime ? _this2.debounce : _this2.handleChange,
              value: valueProp
            };
          }

          childProps.children = _this2.getElements(child.props.children);
          return _react2.default.cloneElement(child, childProps);
        }
        return child;
      });
    }
  }, {
    key: 'render',
    value: function render() {
      return this.renderForm();
    }
  }]);

  return FormGroup;
}(_react2.default.Component);

FormGroup.propTypes = {
  /**
   * A configuration object of name/value pairs
   * that correspond to the form fields names.
   */
  schema: _react2.default.PropTypes.object,
  /**
   * A callback function to be called when a form value changes.
   */
  changeCallback: _react2.default.PropTypes.func,
  /**
   * A callback function to be called when the form is submitted.
   */
  submitCallback: _react2.default.PropTypes.func,
  /**
   * Optional CSS class(es) to be used for local styles (string or array of strings)
   */
  optClass: _react2.default.PropTypes.oneOfType([_react2.default.PropTypes.array, _react2.default.PropTypes.string]),
  /**
   * Option to turn off form wrapper (for nested components)
   */
  nested: _react2.default.PropTypes.bool,
  /**
   * Option to turn off debounce when something in the form group changes
   */
  debounceTime: _react2.default.PropTypes.number
};
FormGroup.defaultProps = {
  debounceTime: 0
};
exports.default = FormGroup;