zent/lib/pagination/index.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 _typeof2 = require('babel-runtime/helpers/typeof');

var _typeof3 = _interopRequireDefault(_typeof2);

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 _propTypes = require('prop-types');

var _propTypes2 = _interopRequireDefault(_propTypes);

var _isEqual = require('lodash/isEqual');

var _isEqual2 = _interopRequireDefault(_isEqual);

var _CorePagination = require('./modules/CorePagination');

var _CorePagination2 = _interopRequireDefault(_CorePagination);

var _Prefix = require('./modules/Prefix');

var _Prefix2 = _interopRequireDefault(_Prefix);

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

var number = _propTypes2['default'].number,
    func = _propTypes2['default'].func,
    string = _propTypes2['default'].string;

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

  function Pagination() {
    var _ref2;

    var _temp, _this, _ret;

    (0, _classCallCheck3['default'])(this, Pagination);

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

    return _ret = (_temp = (_this = (0, _possibleConstructorReturn3['default'])(this, (_ref2 = Pagination.__proto__ || Object.getPrototypeOf(Pagination)).call.apply(_ref2, [this].concat(args))), _this), _this.state = {
      currentPageSize: _this.getCurrentPageSize(_this.parsePageSize(_this.props.pageSize))
    }, _this.setPageSize = function (num) {
      _this.setState({
        currentPageSize: parseInt(num, 10)
      });
    }, _temp), (0, _possibleConstructorReturn3['default'])(_this, _ret);
  }

  // 为了能本地动态修改每页个数，得自己缓存pageSize了


  (0, _createClass3['default'])(Pagination, [{
    key: 'getCurrentPageSize',


    /**
     * [getCurrentPageSize description]
     * @method getCurrentPageSize
     * @param  {[Array]}           ps [从parsePageSize返回的标准数组]
     * @return {[Number]}              [返回currentPageSize的数字值]
     */
    value: function getCurrentPageSize(ps) {
      for (var i = 0, len = ps.length; i < len; i++) {
        if (ps[i].isCurrent) {
          return ps[i].value;
        }
      }
      throw new Error('pageSize \u6570\u636E\u6709\u9519\u8BEF ' + ps);
    }
  }, {
    key: 'parsePageSize',
    value: function parsePageSize(pageSize) {
      var ps = void 0;
      if (typeof pageSize === 'number') {
        ps = [{
          value: pageSize,
          isCurrent: true
        }];
      } else {
        var hasCurrent = void 0;
        ps = pageSize.map(function (item) {
          var tmp = void 0;
          if (typeof item === 'number') {
            tmp = {
              value: item
            };
          } else {
            tmp = item;
            if (tmp.isCurrent) {
              hasCurrent = true;
            }
          }
          return tmp;
        });
        if (!hasCurrent) {
          ps[0].isCurrent = true;
        }
      }
      return ps;
    }
  }, {
    key: 'componentWillReceiveProps',
    value: function componentWillReceiveProps(nextProps) {
      if (!(0, _isEqual2['default'])(this.props.pageSize, nextProps.pageSize)) {
        var pageSize = this.parsePageSize(nextProps.pageSize);
        var currentPageSize = this.getCurrentPageSize(pageSize);
        this.setState({
          currentPageSize: currentPageSize
        });
      }
    }
  }, {
    key: 'render',
    value: function render() {
      // 如果传入的current小于1则进行修改
      var _props = this.props,
          totalItem = _props.totalItem,
          current = _props.current,
          pageSize = _props.pageSize,
          maxPageToShow = _props.maxPageToShow;

      pageSize = this.parsePageSize(pageSize);
      var currentPageSize = this.state.currentPageSize;


      var totalPage = Math.ceil(totalItem / currentPageSize);

      current = current > 1 ? current : 1; // 最小值限定
      current = current > totalPage ? totalPage : current; // 最大值限定

      return _react2['default'].createElement(
        'div',
        {
          className: this.props.prefix + '-pagination ' + this.props.className
        },
        _react2['default'].createElement(_Prefix2['default'], {
          pageSize: pageSize,
          currentPageSize: currentPageSize,
          totalItem: totalItem,
          setPageSize: this.setPageSize
        }),
        totalPage > 1 && _react2['default'].createElement(_CorePagination2['default'], {
          maxPageToShow: maxPageToShow,
          current: current,
          total: totalPage,
          onChange: this.props.onChange || function () {}
        })
      );
    }
  }]);
  return Pagination;
}(_react.PureComponent || _react.Component);

Pagination.propTypes = {
  className: string,
  prefix: string,
  current: number,
  totalItem: number,
  maxPageToShow: number,
  pageSize: function pageSize(conf) {
    var pageSize = conf.pageSize;


    if (typeof pageSize === 'number') {
      if (pageSize < 0) {
        return new Error('pageSize必须大等于0');
      }
    } else if (Array.isArray(pageSize)) {
      var isAllNumber = void 0;
      if (pageSize.length === 0) {
        return new Error('pageSize的长度必须大于0');
      }

      isAllNumber = pageSize.every(function (item) {
        return typeof item === 'number' || (typeof item === 'undefined' ? 'undefined' : (0, _typeof3['default'])(item)) === 'object';
      });

      if (!isAllNumber) {
        return new Error('pageSize每一项必须是数字或对象');
      }
    } else {
      return new Error('pageSize只能是数字或数组');
    }
  },

  onChange: func
};
Pagination.defaultProps = {
  prefix: 'zent',
  pageSize: 10,
  className: ''
};
exports['default'] = Pagination;