zent/checkbox/lib/Group.js

一套前端设计语言和基于React的实现

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports['default'] = 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 _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 _class, _temp2;

var _react = require('react');

var _react2 = _interopRequireDefault(_react);

var _classnames = require('zent-utils/classnames');

var _classnames2 = _interopRequireDefault(_classnames);

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

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return 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; }

function findIndex(array, predicate) {
  for (var i = 0; i < array.length; i++) {
    if (predicate(array[i])) {
      return i;
    }
  }

  return -1;
}

var Group = (_temp2 = _class = function (_Component) {
  _inherits(Group, _Component);

  function Group() {
    var _ref;

    var _temp, _this, _ret;

    _classCallCheck(this, Group);

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

    return _ret = (_temp = (_this = _possibleConstructorReturn(this, (_ref = Group.__proto__ || Object.getPrototypeOf(Group)).call.apply(_ref, [this].concat(args))), _this), _this.onCheckboxChange = function (e) {
      var changedValue = e.target.value;
      var groupValue = _this.props.value.slice();
      var isValueEqual = _this.props.isValueEqual;

      var index = findIndex(groupValue, function (val) {
        return isValueEqual(val, changedValue);
      });

      if (index !== -1) {
        groupValue.splice(index, 1);
      } else {
        groupValue.push(changedValue);
      }

      _this.props.onChange(groupValue);
    }, _temp), _possibleConstructorReturn(_this, _ret);
  }

  _createClass(Group, [{
    key: 'render',
    value: function render() {
      var _this2 = this,
          _classNames;

      var _props = this.props,
          className = _props.className,
          prefix = _props.prefix,
          style = _props.style,
          isValueEqual = _props.isValueEqual,
          value = _props.value;

      var children = _react2['default'].Children.map(this.props.children, function (checkbox) {
        if (checkbox && checkbox.props) {
          return _react2['default'].cloneElement(checkbox, _extends({}, checkbox.props, {
            onChange: _this2.onCheckboxChange,
            checked: findIndex(value, function (val) {
              return isValueEqual(val, checkbox.props.value);
            }) !== -1,
            disabled: checkbox.props.disabled !== void 0 ? checkbox.props.disabled : _this2.props.disabled,
            readOnly: checkbox.props.readOnly !== void 0 ? checkbox.props.readOnly : _this2.props.readOnly
          }));
        }
      });

      var classString = (0, _classnames2['default'])((_classNames = {}, _defineProperty(_classNames, prefix + '-checkbox-group', true), _defineProperty(_classNames, className, !!className), _classNames));

      return _react2['default'].createElement(
        'div',
        { className: classString, style: style },
        children
      );
    }
  }]);

  return Group;
}(_react.Component), _class.propTypes = {
  value: _react.PropTypes.array,
  isValueEqual: _react.PropTypes.func,
  onChange: _react.PropTypes.func,
  className: _react.PropTypes.string,
  style: _react.PropTypes.object,
  prefix: _react.PropTypes.string
}, _class.defaultProps = {
  value: [],
  prefix: 'zent',
  className: '',
  style: {},
  onChange: function onChange() {},
  isValueEqual: function isValueEqual(a, b) {
    return a === b;
  }
}, _temp2);
exports['default'] = Group;
module.exports = exports['default'];