weex-nuke/lib/Layout/mods/multi-row.js

基于 Rax 、Weex 的高性能组件体系 ~~

/** @jsx createElement */

'use strict';

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

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 _rax = require('rax');

var _nukeView = require('../../View/index.js');

var _nukeView2 = _interopRequireDefault(_nukeView);

var _grid = require('./grid.js');

var _grid2 = _interopRequireDefault(_grid);

var _col = require('./col.js');

var _col2 = _interopRequireDefault(_col);

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

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 MultiRow = function (_Component) {
  _inherits(MultiRow, _Component);

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

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

  _createClass(MultiRow, [{
    key: 'render',
    value: function render() {
      var _props = this.props,
          _props$style = _props.style,
          style = _props$style === undefined ? {} : _props$style,
          _props$renderCell = _props.renderCell,
          renderCell = _props$renderCell === undefined ? {} : _props$renderCell,
          _props$renderRow = _props.renderRow,
          renderRow = _props$renderRow === undefined ? {} : _props$renderRow,
          _props$dataSource = _props.dataSource,
          dataSource = _props$dataSource === undefined ? [] : _props$dataSource,
          others = _objectWithoutProperties(_props, ['style', 'renderCell', 'renderRow', 'dataSource']);

      return (0, _rax.createElement)(
        _nukeView2.default,
        _extends({ style: style }, others),
        this.getContent()
      );
    }
  }, {
    key: 'renderEmpty',
    value: function renderEmpty() {
      return (0, _rax.createElement)(_nukeView2.default, null);
    }
  }, {
    key: 'getContent',
    value: function getContent() {
      var _props2 = this.props,
          dataSource = _props2.dataSource,
          colStyle = _props2.colStyle,
          gridStyle = _props2.gridStyle,
          rows = _props2.rows,
          cells = _props2.cells,
          renderCell = _props2.renderCell,
          renderRow = _props2.renderRow;

      var count = cells || rows;
      var renderFunc = renderCell || renderRow;
      var grids = [];
      var gridDataArr = [];
      if (count > 1) {
        for (var i = 0; i < dataSource.length; i++) {
          var index = Math.floor(i / count);
          if (i % count == 0) {
            gridDataArr = [];
          }
          gridDataArr.push((0, _rax.createElement)(
            _col2.default,
            { style: colStyle },
            renderFunc(dataSource[i], i)
          ));
          if (i > 0) {
            if (i < dataSource.length - 1 && (i + 1) % count === 0) {
              grids.push((0, _rax.createElement)(
                _grid2.default,
                { style: gridStyle },
                gridDataArr
              ));
            }
            if (i == dataSource.length - 1) {
              var extraItemForMultiRow = count - dataSource.length % count;
              if (extraItemForMultiRow > 0 && extraItemForMultiRow < count) {
                for (var _index = 0; _index < extraItemForMultiRow; _index++) {
                  gridDataArr.push((0, _rax.createElement)(
                    _col2.default,
                    { style: colStyle },
                    this.renderEmpty()
                  ));
                }
              }
              grids.push((0, _rax.createElement)(
                _grid2.default,
                { style: gridStyle },
                gridDataArr
              ));
            }
          }
        }
      } else {
        dataSource.map(function (item, index) {
          grids.push(renderFunc(item, index));
        });
      }
      return grids;
    }
  }]);

  return MultiRow;
}(_rax.Component);

MultiRow.propTypes = {
  /**
   * 每行列数 rows of each line
   */
  rows: _rax.PropTypes.number,
  /**
   * 渲染每个单元格的方法 render function
   */
  renderRow: _rax.PropTypes.func,
  /**
   * 数据源 dataSource
   */
  dataSource: _rax.PropTypes.array,
  colStyle: _rax.PropTypes.any,
  gridStyle: _rax.PropTypes.any
};
MultiRow.defaultProps = {
  colStyle: {},
  gridStyle: {},
  dataSource: [],
  renderRow: function renderRow() {},
  rows: 1
};

exports.default = MultiRow;
module.exports = exports['default'];