react-tether-seb/lib/TetherComponent.js

Drop content anywhere on the page.

'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 _get = function get(_x, _x2, _x3) { var _again = true; _function: while (_again) { var object = _x, property = _x2, receiver = _x3; _again = false; if (object === null) object = Function.prototype; var desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { _x = parent; _x2 = property; _x3 = receiver; _again = true; desc = parent = undefined; continue _function; } } else if ('value' in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } } };

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 _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 _react = require('react');

var _react2 = _interopRequireDefault(_react);

var _reactDom = require('react-dom');

var _reactDom2 = _interopRequireDefault(_reactDom);

var _tether = require('tether');

var _tether2 = _interopRequireDefault(_tether);

if (!_tether2['default']) {
  console.error('It looks like Tether has not been included. Please load this dependency first https://github.com/HubSpot/tether');
}

var renderElementToPropTypes = [_react.PropTypes.string, _react.PropTypes.shape({
  appendChild: _react.PropTypes.func.isRequired
})];

var childrenPropType = function childrenPropType(_ref, propName, componentName) {
  var children = _ref.children;

  var childCount = _react.Children.count(children);
  if (childCount <= 0) {
    return new Error(componentName + ' expects at least one child to use as the target element.');
  } else if (childCount > 2) {
    return new Error('Only a max of two children allowed in ' + componentName + '.');
  }
};

var attachmentPositions = ['top left', 'top center', 'top right', 'middle left', 'middle center', 'middle right', 'bottom left', 'bottom center', 'bottom right'];

var TetherComponent = (function (_Component) {
  _inherits(TetherComponent, _Component);

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

    _get(Object.getPrototypeOf(TetherComponent.prototype), 'constructor', this).apply(this, arguments);

    this._targetNode = null;
    this._elementParentNode = null;
    this._tether = false;
  }

  _createClass(TetherComponent, [{
    key: 'componentDidMount',
    value: function componentDidMount() {
      this._targetNode = _reactDom2['default'].findDOMNode(this);
      this._update();
      this._registerEventListeners();
    }
  }, {
    key: 'componentDidUpdate',
    value: function componentDidUpdate(prevProps) {
      this._update();
    }
  }, {
    key: 'componentWillUnmount',
    value: function componentWillUnmount() {
      this._destroy();
    }
  }, {
    key: 'getTether',
    value: function getTether() {
      return this._tether;
    }
  }, {
    key: 'disable',
    value: function disable() {
      this._tether.disable();
    }
  }, {
    key: 'enable',
    value: function enable() {
      this._tether.enable();
    }
  }, {
    key: 'on',
    value: function on(event, handler, ctx) {
      this._tether.on(event, handler, ctx);
    }
  }, {
    key: 'once',
    value: function once(event, handler, ctx) {
      this._tether.once(event, handler, ctx);
    }
  }, {
    key: 'off',
    value: function off(event, handler) {
      this._tether.off(event, handler);
    }
  }, {
    key: 'position',
    value: function position() {
      this._tether.position();
    }
  }, {
    key: '_registerEventListeners',
    value: function _registerEventListeners() {
      if (this.props.onUpdate) {
        this.on('update', this.props.onUpdate);
      }
      if (this.props.onRepositioned) {
        this.on('repositioned', this.props.onRepositioned);
      }
    }
  }, {
    key: '_destroy',
    value: function _destroy() {
      if (this._elementParentNode) {
        _reactDom2['default'].unmountComponentAtNode(this._elementParentNode);
        this._elementParentNode.parentNode.removeChild(this._elementParentNode);
      }

      if (this._tether) {
        this._tether.destroy();
      }

      this._elementParentNode = null;
      this._tether = null;
    }
  }, {
    key: '_update',
    value: function _update() {
      var _this = this;

      var _props = this.props;
      var children = _props.children;
      var renderElementTag = _props.renderElementTag;

      var elementComponent = _react.Children.toArray(children)[1];

      // if no element component provided, bail out
      if (!elementComponent) {
        // destroy Tether element if it has been created
        if (this._tether) {
          this._destroy();
        }
        return;
      }

      // create element node container if it hasn't been yet
      if (!this._elementParentNode) {
        // create a node that we can stick our content Component in
        this._elementParentNode = document.createElement(renderElementTag);

        // append node to the render node
        this._renderNode.appendChild(this._elementParentNode);
      }

      // render element component into the DOM
      _reactDom2['default'].unstable_renderSubtreeIntoContainer(this, elementComponent, this._elementParentNode, function () {
        // don't update Tether until the subtree has finished rendering
        _this._updateTether();
      });
    }
  }, {
    key: '_updateTether',
    value: function _updateTether() {
      var _this2 = this;

      var _props2 = this.props;
      var children = _props2.children;
      var renderElementTag = _props2.renderElementTag;
      var renderElementTo = _props2.renderElementTo;
      var id = _props2.id;
      var className = _props2.className;
      var style = _props2.style;

      var options = _objectWithoutProperties(_props2, ['children', 'renderElementTag', 'renderElementTo', 'id', 'className', 'style']);

      var tetherOptions = _extends({
        target: this._targetNode,
        element: this._elementParentNode
      }, options);

      if (id) {
        this._elementParentNode.id = id;
      }

      if (className) {
        this._elementParentNode.className = className;
      }

      if (style) {
        Object.keys(style).forEach(function (key) {
          _this2._elementParentNode.style[key] = style[key];
        });
      }

      if (!this._tether) {
        this._tether = new _tether2['default'](tetherOptions);
      } else {
        this._tether.setOptions(tetherOptions);
      }

      this._tether.position();
    }
  }, {
    key: 'render',
    value: function render() {
      return _react.Children.toArray(this.props.children)[0];
    }
  }, {
    key: '_renderNode',
    get: function get() {
      var renderElementTo = this.props.renderElementTo;

      if (typeof renderElementTo === 'string') {
        return document.querySelector(renderElementTo);
      } else {
        return renderElementTo || document.body;
      }
    }
  }], [{
    key: 'propTypes',
    value: {
      renderElementTag: _react.PropTypes.string,
      renderElementTo: _react.PropTypes.oneOfType(renderElementToPropTypes),
      attachment: _react.PropTypes.oneOf(attachmentPositions).isRequired,
      targetAttachment: _react.PropTypes.oneOf(attachmentPositions),
      offset: _react.PropTypes.string,
      targetOffset: _react.PropTypes.string,
      targetModifier: _react.PropTypes.string,
      enabled: _react.PropTypes.bool,
      classes: _react.PropTypes.object,
      classPrefix: _react.PropTypes.string,
      optimizations: _react.PropTypes.object,
      constraints: _react.PropTypes.array,
      id: _react.PropTypes.string,
      className: _react.PropTypes.string,
      style: _react.PropTypes.object,
      onUpdate: _react.PropTypes.func,
      onRepositioned: _react.PropTypes.func,
      children: childrenPropType
    },
    enumerable: true
  }, {
    key: 'defaultProps',
    value: {
      renderElementTag: 'div',
      renderElementTo: null
    },
    enumerable: true
  }]);

  return TetherComponent;
})(_react.Component);

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