d2-ui/node_modules-react-15/draft-js/lib/DraftEditorPlaceholder.react.js

d2-ui

/**
 * Copyright (c) 2013-present, Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the BSD-style license found in the
 * LICENSE file in the root directory of this source tree. An additional grant
 * of patent rights can be found in the PATENTS file in the same directory.
 *
 * @providesModule DraftEditorPlaceholder.react
 * @typechecks
 * 
 */

'use strict';

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 _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 cx = require('fbjs/lib/cx');

/**
 * This component is responsible for rendering placeholder text for the
 * `DraftEditor` component.
 *
 * Override placeholder style via CSS.
 */

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

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

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

  _createClass(DraftEditorPlaceholder, [{
    key: 'shouldComponentUpdate',
    value: function shouldComponentUpdate(nextProps) {
      return this.props.text !== nextProps.text || this.props.editorState.getSelection().getHasFocus() !== nextProps.editorState.getSelection().getHasFocus();
    }
  }, {
    key: 'render',
    value: function render() {
      var hasFocus = this.props.editorState.getSelection().getHasFocus();

      var className = cx({
        'public/DraftEditorPlaceholder/root': true,
        'public/DraftEditorPlaceholder/hasFocus': hasFocus
      });

      return React.createElement(
        'div',
        { className: className },
        React.createElement(
          'div',
          {
            className: cx('public/DraftEditorPlaceholder/inner'),
            id: this.props.accessibilityID },
          this.props.text
        )
      );
    }
  }]);

  return DraftEditorPlaceholder;
})(React.Component);

module.exports = DraftEditorPlaceholder;