huge-table/dist/TouchWrapper.js

Table component to handle huge sets of data, based on Facebook's FixedDataTable

'use strict';

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

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 _react = require('react');

var _react2 = _interopRequireDefault(_react);

var _ZyngaScroller = require('./ZyngaScroller');

var _ZyngaScroller2 = _interopRequireDefault(_ZyngaScroller);

var _TouchableArea = require('./TouchableArea');

var _TouchableArea2 = _interopRequireDefault(_TouchableArea);

var _propTypes = require('prop-types');

var _propTypes2 = _interopRequireDefault(_propTypes);

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

var TouchWrapper = function (_React$Component) {
  _inherits(TouchWrapper, _React$Component);

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

    var _this = _possibleConstructorReturn(this, (TouchWrapper.__proto__ || Object.getPrototypeOf(TouchWrapper)).call(this, props));

    _this.state = {
      left: 0,
      top: 0,
      initialized: false
    };

    _this.onScroll = function (scrollLeft, scrollTop) {
      if (_this.state.initialized) {
        _this.props.onScroll(scrollLeft, scrollTop);
      } else {
        _this.setState({
          initialized: true
        });
      }
    };

    return _this;
  }

  _createClass(TouchWrapper, [{
    key: 'componentDidMount',
    value: function componentDidMount() {
      this.scroller = new _ZyngaScroller2.default(this.onScroll);
      this.scroller.setDimensions(this.props.tableWidth, this.props.tableHeight, this.props.contentWidth, this.props.contentHeight);
    }
  }, {
    key: 'componentWillReceiveProps',
    value: function componentWillReceiveProps(nextProps) {
      var diffTableWidth = nextProps.tableWidth !== this.props.tableWidth;
      var diffTableHeight = nextProps.tableHeight !== this.props.tableHeight;
      var diffContentWidth = nextProps.contentWidth !== this.props.contentWidth;
      var diffContentHeight = nextProps.contentHeight !== this.props.contentHeight;

      if (this.scroller && (diffTableWidth || diffTableHeight || diffContentWidth || diffContentHeight)) {
        this.scroller.setDimensions(nextProps.tableWidth, nextProps.tableHeight, nextProps.contentWidth, nextProps.contentHeight);
      }
    }
  }, {
    key: 'render',
    value: function render() {
      return _react2.default.createElement(
        _TouchableArea2.default,
        { scroller: this.scroller },
        this.props.children
      );
    }
  }]);

  return TouchWrapper;
}(_react2.default.Component);

TouchWrapper.propTypes = {
  tableWidth: _propTypes2.default.number.isRequired,
  tableHeight: _propTypes2.default.number.isRequired,
  contentWidth: _propTypes2.default.number,
  contentHeight: _propTypes2.default.number,
  onScroll: _propTypes2.default.func.isRequired,
  children: _propTypes2.default.any
};
exports.default = TouchWrapper;