tuya-panel-kit/lib/components/picker-view/TYRCTPicker.js

a functional component library for developing tuya device panels!

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

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; };

var _jsxFileName = 'src/components/picker-view/TYRCTPicker.js';

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 _propTypes = require('prop-types');

var _propTypes2 = _interopRequireDefault(_propTypes);

var _react = require('react');

var _react2 = _interopRequireDefault(_react);

var _reactNative = require('react-native');

var _index = require('./picker/index.ios');

var _index2 = _interopRequireDefault(_index);

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

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

function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }

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; }

var viewWidth = _utils.RatioUtils.viewWidth;


var MAX_ITEM_NUM = 1260;

var Item = function (_PureComponent) {
  _inherits(Item, _PureComponent);

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

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

  _createClass(Item, [{
    key: 'render',
    value: function render() {
      return null;
    }
  }]);

  return Item;
}(_react.PureComponent);

var PickerView = exports.PickerView = function (_Component) {
  _inherits(PickerView, _Component);

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

    var _this2 = _possibleConstructorReturn(this, (PickerView.__proto__ || Object.getPrototypeOf(PickerView)).call(this, props));

    _initialiseProps.call(_this2);

    var children = props.children,
        loop = props.loop;


    _this2._loopTimes = children && children.length > 0 ? loop ? Math.round(MAX_ITEM_NUM / children.length) : 1 : 0;
    _this2.state = _this2._stateFromProps(props);
    return _this2;
  }

  _createClass(PickerView, [{
    key: 'componentWillReceiveProps',
    value: function componentWillReceiveProps(nextProps) {
      this.setState(this._stateFromProps(nextProps));
    }
  }, {
    key: 'render',
    value: function render() {
      var _props = this.props,
          accessibilityLabel = _props.accessibilityLabel,
          style = _props.style,
          rest = _objectWithoutProperties(_props, ['accessibilityLabel', 'style']);

      var _state = this.state,
          items = _state.items,
          selectedIndex = _state.selectedIndex;


      return _react2.default.createElement(_index2.default, _extends({}, rest, {
        style: [{ width: viewWidth, height: 216 }, style],
        accessibilityLabel: accessibilityLabel,
        items: items,
        selectedIndex: selectedIndex,
        onChange: this._onChange,
        __source: {
          fileName: _jsxFileName,
          lineNumber: 148
        }
      }));
    }
  }]);

  return PickerView;
}(_react.Component);

PickerView.propTypes = {
  accessibilityLabel: _propTypes2.default.string,

  itemTextColor: _reactNative.ColorPropType,

  selectedItemTextColor: _reactNative.ColorPropType,

  dividerColor: _reactNative.ColorPropType,

  itemPadding: _propTypes2.default.number,

  itemAlign: _propTypes2.default.string,

  textSize: _propTypes2.default.number,

  fontWeight: _propTypes2.default.string,

  fontFamily: _propTypes2.default.oneOfType([_propTypes2.default.oneOfType(['DIN Alternate', 'Times New Roman', 'PingFangHK-Regular', 'PingFangHK-Medium']), _propTypes2.default.string]),

  onValueChange: _propTypes2.default.func,

  selectedValue: _propTypes2.default.oneOfType([_propTypes2.default.string, _propTypes2.default.number, _propTypes2.default.bool]),

  children: _propTypes2.default.node.isRequired,

  loop: _propTypes2.default.bool,

  style: _reactNative.ViewPropTypes.style
};
PickerView.defaultProps = {
  accessibilityLabel: 'PickerView',
  loop: false,
  itemTextColor: '#cccccc',
  selectedItemTextColor: 'black',
  dividerColor: '#cccccc',
  itemAlign: 'center',
  itemPadding: 14,
  textSize: 22,
  fontWeight: 'normal',
  fontFamily: 'DIN Alternate',
  style: null,
  selectedValue: '-1',
  onValueChange: function onValueChange() {}
};

var _initialiseProps = function _initialiseProps() {
  var _this3 = this;

  this._stateFromProps = function (props) {
    var selectedIndex = 0;
    var pickerItems = [];
    var childArray = _react2.default.Children.toArray(props.children);
    pickerItems = new Array(_this3._loopTimes).fill(1).reduce(function (acc) {
      var current = childArray.map(function (child, index) {
        if (child.props.value === props.selectedValue) {
          selectedIndex = index + Math.floor(_this3._loopTimes / 2) * childArray.length;
        }
        return {
          value: child.props.value,
          label: child.props.label
        };
      });
      return [].concat(_toConsumableArray(acc), _toConsumableArray(current));
    }, []);
    return { selectedIndex: selectedIndex, items: pickerItems };
  };

  this._onChange = function (event) {
    var _props2 = _this3.props,
        onValueChange = _props2.onValueChange,
        children = _props2.children;
    var newIndex = event.nativeEvent.newIndex;

    var childArray = _react2.default.Children.toArray(children);
    onValueChange && onValueChange(_this3.state.items[newIndex].value, newIndex % childArray.length);
    _this3.setState({
      selectedIndex: newIndex
    });
  };
};

PickerView.Item = Item;

exports.default = PickerView;