shengnian-editor/lib/ui/CodeBlock.js

Shengnian React Rich Text Editor

'use strict';

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

var _extends2 = require('babel-runtime/helpers/extends');

var _extends3 = _interopRequireDefault(_extends2);

var _getPrototypeOf = require('babel-runtime/core-js/object/get-prototype-of');

var _getPrototypeOf2 = _interopRequireDefault(_getPrototypeOf);

var _classCallCheck2 = require('babel-runtime/helpers/classCallCheck');

var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);

var _createClass2 = require('babel-runtime/helpers/createClass');

var _createClass3 = _interopRequireDefault(_createClass2);

var _possibleConstructorReturn2 = require('babel-runtime/helpers/possibleConstructorReturn');

var _possibleConstructorReturn3 = _interopRequireDefault(_possibleConstructorReturn2);

var _inherits2 = require('babel-runtime/helpers/inherits');

var _inherits3 = _interopRequireDefault(_inherits2);

var _react = require('react');

var _react2 = _interopRequireDefault(_react);

var _draftJs = require('draft-js');

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

var updateDataOfBlock = function updateDataOfBlock(editorState, block, newData) {
  var contentState = editorState.getCurrentContent();
  var newBlock = block.merge({
    data: newData
  });
  var newContentState = contentState.merge({
    blockMap: contentState.getBlockMap().set(block.getKey(), newBlock)
  });
  return _draftJs.EditorState.push(editorState, newContentState, 'change-block-type');
};

var CodeBlock = function (_React$Component) {
  (0, _inherits3.default)(CodeBlock, _React$Component);

  function CodeBlock(props) {
    (0, _classCallCheck3.default)(this, CodeBlock);

    var _this = (0, _possibleConstructorReturn3.default)(this, (CodeBlock.__proto__ || (0, _getPrototypeOf2.default)(CodeBlock)).call(this, props));

    _this._getPoint = function (obj) {
      var t = obj.offsetTop;
      var l = obj.offsetLeft;
      while (obj = obj.offsetParent) {
        // obj = obj.offsetParent;while (obj != undefined)
        t += obj.offsetTop;
        l += obj.offsetLeft;
      }
      return {
        top: t,
        left: l
      };
    };

    _this._showLanguages = function (e) {
      // clearTimeout(this._hideLanguagesTimeout)

      var _this$props = _this.props,
          block = _this$props.block,
          blockProps = _this$props.blockProps;
      var topOffset = blockProps.topOffset,
          leftOffset = blockProps.leftOffset,
          setSupportedLang = blockProps.setSupportedLang,
          getEditorState = blockProps.getEditorState,
          onChange = blockProps.onChange;


      var currTarget = e.currentTarget;
      var width = currTarget.offsetWidth;
      // let {top, left} = this._getPoint(e.currentTarget)
      var clientRect = currTarget.getBoundingClientRect();

      var left = clientRect.left + clientRect.width + leftOffset;
      var top = clientRect.top + topOffset;

      setSupportedLang({
        position: {
          left: left,
          top: top
        },
        block: block
      });
    };

    _this._hideLanguages = function (e) {
      var toElem = e.toElement || e.relatedTarget;
      if (toElem && toElem.tagName.toLowerCase() === 'input') {
        return;
      }
      var blockProps = _this.props.blockProps;
      var setSupportedLang = blockProps.setSupportedLang;

      // this._hideLanguagesTimeout = setTimeout(() => {

      setSupportedLang({
        position: {
          left: -1180,
          top: -999
        }
      });
      // }, 10)
    };

    _this._bindOrRmoveMouseOver = function () {
      var isBind = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : true;


      var blockKey = _this.props.block.getKey();
      var codeBlocks = document.querySelectorAll('pre.public-DraftStyleDefault-pre');
      for (var i = 0, len = codeBlocks.length; i < len; i++) {
        var dataOffsetKey = codeBlocks[i].getAttribute('data-offset-key');
        // let isDataBlock = codeBlocks[i].getAttribute('data-block');

        if (dataOffsetKey === blockKey + '-0-0') {
          if (isBind) {
            codeBlocks[i].addEventListener('mouseenter', _this._showLanguages, false);
            codeBlocks[i].addEventListener('mouseleave', _this._hideLanguages, false);
          } else {
            codeBlocks[i].removeEventListener('mouseenter', _this._showLanguages, false);
            codeBlocks[i].removeEventListener('mouseleave', _this._hideLanguages, false);
          }
        }
      }
    };

    return _this;
  }

  (0, _createClass3.default)(CodeBlock, [{
    key: 'componentDidMount',
    value: function componentDidMount() {
      // this._popoverEle = document.querySelector('div.editable-prismSupportedLanguages');
      this._bindOrRmoveMouseOver(true);
    }
  }, {
    key: 'componentWillUnmount',
    value: function componentWillUnmount() {
      this._bindOrRmoveMouseOver(false);
    }
  }, {
    key: 'render',
    value: function render() {
      return _react2.default.createElement(_draftJs.EditorBlock, (0, _extends3.default)({
        key: 'editor-block-editor'
      }, this.props));
    }
  }]);
  return CodeBlock;
}(_react2.default.Component);

exports.default = CodeBlock;
;