quiz-interactions/lib/components/numeric/Edit/PreciseResponse.js

A React UI component Library for quiz interaction types.

"use strict";

var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard");

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck"));

var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass"));

var _possibleConstructorReturn2 = _interopRequireDefault(require("@babel/runtime/helpers/possibleConstructorReturn"));

var _getPrototypeOf3 = _interopRequireDefault(require("@babel/runtime/helpers/getPrototypeOf"));

var _inherits2 = _interopRequireDefault(require("@babel/runtime/helpers/inherits"));

var _react = _interopRequireWildcard(require("react"));

var _propTypes = _interopRequireDefault(require("prop-types"));

var _uiForms = require("@instructure/ui-forms");

var _quizI18n = require("@instructure/quiz-i18n");

var _uiLayout = require("@instructure/ui-layout");

var _quizNumberInput = require("@instructure/quiz-number-input");

var _numeric = require("instructure-validations/lib/validators/numeric");

var _NumericTypeSelect = _interopRequireDefault(require("./NumericTypeSelect"));

var _formatMessage = _interopRequireDefault(require("@instructure/quiz-i18n/lib/format-message"));

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

var PreciseResponse =
/*#__PURE__*/
function (_Component) {
  (0, _inherits2.default)(PreciseResponse, _Component);

  function PreciseResponse() {
    var _getPrototypeOf2;

    var _this;

    (0, _classCallCheck2.default)(this, PreciseResponse);

    for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
      args[_key] = arguments[_key];
    }

    _this = (0, _possibleConstructorReturn2.default)(this, (_getPrototypeOf2 = (0, _getPrototypeOf3.default)(PreciseResponse)).call.apply(_getPrototypeOf2, [this].concat(args)));
    _this.state = {
      value: '',
      onClickHelp: null
    };

    _this.handlePrecisionChange = function (event, _, normalized) {
      // When precision changes, update the value to match the new precision (add
      // or remove trailing zeros)
      var precision = normalized;
      var value = _this.props.value;

      if (precision != null && !isNaN(value)) {
        var precisionNumber = parseInt(precision, 10);
        var valueDecimal = (0, _quizI18n.Decimal)(value);
        value = _this.props.precisionType === _constants.SIGNIFICANT_DIGITS ? valueDecimal.toPrecision(precisionNumber, _this.props.locale) : valueDecimal.toFixed(precisionNumber, _this.props.locale);
      }

      _this.setState({
        value: value
      });

      _this.props.onChange(event, {
        id: _this.props.id,
        precision: precision,
        value: value
      });
    };

    _this.handlePrecisionTypeChange = function (event, _ref) {
      var value = _ref.value;
      var precisionType = value;
      var precision = _this.props.precision;

      if (_this.props.value) {
        precision = precisionFromValue(_this.props.value, precisionType).toString();
      }

      _this.props.onChange(event, {
        id: _this.props.id,
        precision: precision,
        precisionType: precisionType
      });
    };

    _this.handleValueChange = function (event, value, normalized) {
      // When the answer value changes, update the precision to match the
      // precision of the answer
      var precision = _this.props.precision;

      if (normalized != null) {
        precision = precisionFromValue(normalized, _this.props.precisionType).toString();
      }

      _this.setState({
        value: value
      });

      _this.props.onChange(event, {
        id: _this.props.id,
        precision: precision,
        value: normalized
      });
    };

    return _this;
  }

  (0, _createClass2.default)(PreciseResponse, [{
    key: "componentWillMount",
    value: function componentWillMount() {
      if (this.props.value) {
        var value;

        try {
          value = _quizI18n.Decimal.toLocaleString(this.props.value, this.props.locale);
        } catch (e) {
          value = this.props.value;
        }

        this.setState({
          value: value
        });
      }
    }
  }, {
    key: "minPrecision",
    value: function minPrecision() {
      var value = parseFloat(this.props.value);

      if (this.props.precisionType === _constants.SIGNIFICANT_DIGITS) {
        return isNaN(value) ? 1 : (0, _numeric.significantDigits)(value.toString());
      }

      return isNaN(value) ? 0 : (0, _numeric.decimals)(value.toString());
    }
  }, {
    key: "maxPrecision",
    value: function maxPrecision() {
      // These are the limits for toPrecision and toFixed in Chrome
      if (this.props.precisionType === _constants.SIGNIFICANT_DIGITS) {
        var value = parseFloat(this.props.value);
        return value === 0 ? 1 : 21;
      }

      return 100;
    }
  }, {
    key: "render",
    value: function render() {
      return _react.default.createElement(_uiLayout.Flex, {
        alignItems: "start"
      }, _react.default.createElement(_uiLayout.Flex.Item, {
        grow: true,
        shrink: true,
        margin: "0 xx-small"
      }, _react.default.createElement(_NumericTypeSelect.default, {
        id: this.props.id,
        onChange: this.props.onChangeType,
        onClickHelp: this.props.onClickHelp,
        value: _constants.PRECISE_RESPONSE
      })), _react.default.createElement(_uiLayout.Flex.Item, {
        grow: true,
        shrink: true,
        margin: "0 xx-small"
      }, _react.default.createElement(_quizNumberInput.ScientificNumberInput, {
        label: (0, _formatMessage.default)('Answer'),
        locale: this.props.locale,
        messages: this.props.messages.value,
        onChange: this.handleValueChange,
        value: this.state.value
      })), _react.default.createElement(_uiLayout.Flex.Item, {
        grow: true,
        shrink: true,
        margin: "0 xx-small"
      }, _react.default.createElement(_quizNumberInput.ScientificNumberInput, {
        label: (0, _formatMessage.default)('Precision'),
        locale: this.props.locale,
        max: this.maxPrecision(),
        messages: this.props.messages.precision,
        min: this.minPrecision(),
        onChange: this.handlePrecisionChange,
        step: 1,
        value: this.props.precision
      })), _react.default.createElement(_uiLayout.Flex.Item, {
        grow: true,
        shrink: true,
        margin: "0 xx-small"
      }, _react.default.createElement(_uiForms.Select, {
        label: (0, _formatMessage.default)('Type'),
        onChange: this.handlePrecisionTypeChange,
        selectedOption: this.props.precisionType
      }, _react.default.createElement("option", {
        value: _constants.SIGNIFICANT_DIGITS
      }, (0, _formatMessage.default)('Significant digits')), _react.default.createElement("option", {
        value: _constants.DECIMALS
      }, (0, _formatMessage.default)('Decimal places')))));
    }
  }]);
  PreciseResponse.displayName = "PreciseResponse";
  return PreciseResponse;
}(_react.Component);

exports.default = PreciseResponse;
PreciseResponse.propTypes = {
  id: _propTypes.default.string.isRequired,
  locale: _propTypes.default.string.isRequired,
  messages: _propTypes.default.objectOf(_propTypes.default.array),
  precision: _propTypes.default.string,
  precisionType: _propTypes.default.oneOf([_constants.SIGNIFICANT_DIGITS, _constants.DECIMALS]).isRequired,
  onChange: _propTypes.default.func.isRequired,
  onChangeType: _propTypes.default.func.isRequired,
  onClickHelp: _propTypes.default.func,
  value: _propTypes.default.string
};
PreciseResponse.defaultProps = {
  messages: void 0,
  precision: void 0,
  onClickHelp: void 0,
  value: void 0
};

function precisionFromValue(value, precisionType) {
  return precisionType === _constants.SIGNIFICANT_DIGITS ? (0, _numeric.significantDigits)(value) : (0, _numeric.decimals)(value);
}