xl-react-infinite-tree/lib/index.js

The infinite-tree library for React.

'use strict';

var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };

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 _reactDom = require('react-dom');

var _reactDom2 = _interopRequireDefault(_reactDom);

var _server = require('react-dom/server');

var _server2 = _interopRequireDefault(_server);

var _xlInfiniteTree = require('xl-infinite-tree');

var _xlInfiniteTree2 = _interopRequireDefault(_xlInfiniteTree);

var _renderer = require('./renderer');

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 lcfirst = function lcfirst(str) {
    str += '';
    return str.charAt(0).toLowerCase() + str.substr(1);
};

module.exports = function (_React$Component) {
    _inherits(_class2, _React$Component);

    function _class2() {
        var _ref;

        var _temp, _this, _ret;

        _classCallCheck(this, _class2);

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

        return _ret = (_temp = (_this = _possibleConstructorReturn(this, (_ref = _class2.__proto__ || Object.getPrototypeOf(_class2)).call.apply(_ref, [this].concat(args))), _this), _this.tree = null, _this.eventHandlers = {
            onClick: null,
            onDoubleClick: null,
            onKeyDown: null,
            onKeyUp: null,
            onClusterWillChange: null,
            onClusterDidChange: null,
            onContentWillUpdate: null,
            onContentDidUpdate: null,
            onOpenNode: null,
            onCloseNode: null,
            onSelectNode: null,
            onWillOpenNode: null,
            onWillCloseNode: null,
            onWillSelectNode: null
        }, _temp), _possibleConstructorReturn(_this, _ret);
    }

    _createClass(_class2, [{
        key: 'componentDidMount',
        value: function componentDidMount() {
            var _this2 = this;

            var _props = this.props,
                children = _props.children,
                className = _props.className,
                style = _props.style,
                options = _objectWithoutProperties(_props, ['children', 'className', 'style']);

            var el = _reactDom2.default.findDOMNode(this);
            options.el = el;

            var rowRenderer = options.rowRenderer || _renderer.defaultRowRenderer;
            options.rowRenderer = function (node, opts) {
                var row = rowRenderer(node, opts);
                if ((typeof row === 'undefined' ? 'undefined' : _typeof(row)) === 'object') {
                    // Use ReactDOMServer.renderToString() to render React Component
                    row = _server2.default.renderToString(row);
                }
                return row;
            };

            this.tree = new _xlInfiniteTree2.default(options);

            Object.keys(this.eventHandlers).forEach(function (key) {
                if (!_this2.props[key]) {
                    return;
                }

                var eventName = lcfirst(key.substr(2)); // e.g. onContentWillUpdate -> contentWillUpdate
                _this2.eventHandlers[key] = _this2.props[key];
                _this2.tree.on(eventName, _this2.eventHandlers[key]);
            });
        }
    }, {
        key: 'componentWillUnmount',
        value: function componentWillUnmount() {
            var _this3 = this;

            Object.keys(this.eventHandlers).forEach(function (key) {
                if (!_this3.eventHandlers[key]) {
                    return;
                }

                var eventName = lcfirst(key.substr(2)); // e.g. onUpdate -> update
                _this3.tree.removeListener(eventName, _this3.eventHandlers[key]);
                _this3.eventHandlers[key] = null;
            });

            this.tree.destroy();
            this.tree = null;
        }
    }, {
        key: 'render',
        value: function render() {
            var _props2 = this.props,
                children = _props2.children,
                className = _props2.className,
                style = _props2.style;


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

    return _class2;
}(_react2.default.Component);