zent/lib/grid/Footer.js

一套前端设计语言和基于React的实现

'use strict';

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

var _extends2 = require('babel-runtime/helpers/extends');

var _extends3 = _interopRequireDefault(_extends2);

var _classCallCheck2 = require('babel-runtime/helpers/classCallCheck');

var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);

var _createClass2 = require('babel-runtime/helpers/createClass');

var _createClass3 = _interopRequireDefault(_createClass2);

var _possibleConstructorReturn2 = require('babel-runtime/helpers/possibleConstructorReturn');

var _possibleConstructorReturn3 = _interopRequireDefault(_possibleConstructorReturn2);

var _inherits2 = require('babel-runtime/helpers/inherits');

var _inherits3 = _interopRequireDefault(_inherits2);

var _react = require('react');

var _react2 = _interopRequireDefault(_react);

var _pagination = require('../pagination');

var _pagination2 = _interopRequireDefault(_pagination);

var _classnames = require('classnames');

var _classnames2 = _interopRequireDefault(_classnames);

var _size = require('lodash/size');

var _size2 = _interopRequireDefault(_size);

var _get = require('lodash/get');

var _get2 = _interopRequireDefault(_get);

var _has = require('lodash/has');

var _has2 = _interopRequireDefault(_has);

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

var defaultPageInfo = {
  current: 1,
  pageSize: 10
};

var Footer = function (_ref) {
  (0, _inherits3['default'])(Footer, _ref);

  function Footer(props) {
    (0, _classCallCheck3['default'])(this, Footer);

    var _this = (0, _possibleConstructorReturn3['default'])(this, (Footer.__proto__ || Object.getPrototypeOf(Footer)).call(this, props));

    _this.handlePageChange = function (current) {
      if ((0, _get2['default'])(_this.state, 'pageInfo.current', 1) !== current) {
        _this.props.onChange({ current: current });
      }
    };

    _this.renderPage = function () {
      var prefix = _this.props.prefix;
      var pageInfo = _this.state.pageInfo;


      return pageInfo ? _react2['default'].createElement(
        'div',
        { className: (0, _classnames2['default'])(prefix + '-grid-tfoot-page') },
        _react2['default'].createElement(_pagination2['default'], (0, _extends3['default'])({}, pageInfo, { onChange: _this.handlePageChange }))
      ) : null;
    };

    _this.state = {
      pageInfo: _this.getDefaultPagination(props)
    };
    return _this;
  }

  (0, _createClass3['default'])(Footer, [{
    key: 'hasPagination',
    value: function hasPagination(props) {
      var _ref2 = props || this.props,
          pageInfo = _ref2.pageInfo;

      return pageInfo && (0, _size2['default'])(pageInfo);
    }
  }, {
    key: 'getDefaultPagination',
    value: function getDefaultPagination(props) {
      var pageInfo = props.pageInfo;


      return this.hasPagination(props) ? (0, _extends3['default'])({}, pageInfo, {
        current: pageInfo.current || defaultPageInfo.current,
        pageSize: pageInfo.pageSize || defaultPageInfo.pageSize
      }) : null;
    }
  }, {
    key: 'componentWillReceiveProps',
    value: function componentWillReceiveProps(nextProps) {
      var _this2 = this;

      if ((0, _has2['default'])(nextProps, 'pageInfo') || (0, _has2['default'])(this.props, 'pageInfo')) {
        this.setState(function (previousState) {
          var newPagination = (0, _extends3['default'])({}, previousState.pageInfo, nextProps.pageInfo);

          newPagination.current = newPagination.current || defaultPageInfo.current;
          newPagination.pageSize = newPagination.pageSize || defaultPageInfo.pageSize;

          return {
            pageInfo: _this2.hasPagination(nextProps) ? newPagination : null
          };
        });
      }
    }
  }, {
    key: 'render',
    value: function render() {
      var prefix = this.props.prefix;


      if (this.state.pageInfo) {
        return _react2['default'].createElement(
          'div',
          { className: prefix + '-grid-tfoot' },
          this.renderPage()
        );
      }
      return null;
    }
  }]);
  return Footer;
}(_react.PureComponent || _react.Component);

exports['default'] = Footer;