CKEditor 4 table header scope Quickfix

config.js

CKEDITOR.editorConfig = function ( config ) {
	config.extraPlugins = 'tableScopeFix';
};

CKEDITOR.plugins.add('tableScopeFix', {
	init: function (editor) {
		CKEDITOR.on( 'dialogDefinition', function (e) {
			var dialogName = e.data.name;
			var dialogDefinition = e.data.definition;

			var makeElement = function( name ) {
				return new CKEDITOR.dom.element( name, editor.document );
			};
		
			if (dialogName == 'table' || dialogName == 'tableProperties') {
				dialogDefinition.onOk = function () {
					var selection = editor.getSelection(),
						bms = this._.selectedElement && selection.createBookmarks();

					var table = this._.selectedElement || makeElement( 'table' ),
						data = {};

					this.commitContent( data, table );

					if ( data.info ) {
						var info = data.info;

						// Generate the rows and cols.
						if ( !this._.selectedElement ) {
							var tbody = table.append( makeElement( 'tbody' ) ),
								rows = parseInt( info.txtRows, 10 ) || 0,
								cols = parseInt( info.txtCols, 10 ) || 0;

							for ( var i = 0; i < rows; i++ ) {
								var row = tbody.append( makeElement( 'tr' ) );
								for ( var j = 0; j < cols; j++ ) {
									var cell = row.append( makeElement( 'td' ) );
									cell.appendBogus();
								}
							}
						}

						// Modify the table headers. Depends on having rows and cols generated
						// correctly so it can't be done in commit functions.

						// Should we make a <thead>?
						var headers = info.selHeaders;
						if ( !table.$.tHead && ( headers == 'row' || headers == 'both' ) ) {
							var thead = table.getElementsByTag( 'thead' ).getItem( 0 );
							tbody = table.getElementsByTag( 'tbody' ).getItem( 0 );
							var theRow = tbody.getElementsByTag( 'tr' ).getItem( 0 );

							if ( !thead ) {
								thead = new CKEDITOR.dom.element( 'thead' );
								thead.insertBefore( tbody );
							}

							// Change TD to TH:
							for ( i = 0; i < theRow.getChildCount(); i++ ) {
								var th = theRow.getChild( i );
								// Skip bookmark nodes. (https://dev.ckeditor.com/ticket/6155)
								if ( th.type == CKEDITOR.NODE_ELEMENT && !th.data( 'cke-bookmark' ) ) {
									th.renameNode( 'th' );
									th.setAttribute( 'scope', 'col' );
								}
							}
							thead.append( theRow.remove() );
						}

						if ( table.$.tHead !== null && !( headers == 'row' || headers == 'both' ) ) {
							// Move the row out of the THead and put it in the TBody:
							thead = new CKEDITOR.dom.element( table.$.tHead );
							tbody = table.getElementsByTag( 'tbody' ).getItem( 0 );

							while ( thead.getChildCount() > 0 ) {
								theRow = thead.getFirst();
								for ( i = 0; i < theRow.getChildCount(); i++ ) {
									var newCell = theRow.getChild( i );
									// Modified by bhdzllr
									if ( newCell.type == CKEDITOR.NODE_ELEMENT && ( !headers || i > 0 ) ) {
										// Headers are removed
										// or set to first column and is not the first table row
										newCell.renameNode( 'td' );
										newCell.removeAttribute( 'scope' );
									} else {
										// Headers set to first column and first table row
										newCell.setAttribute( 'scope', 'row' );
									}
								}

								// Append the row to the start (#1397).
								tbody.append( theRow, true );
							}
							thead.remove();
						}

						// Should we make all first cells in a row TH?
						if ( !this.hasColumnHeaders && ( headers == 'col' || headers == 'both' ) ) {
							for ( row = 0; row < table.$.rows.length; row++ ) {
								newCell = new CKEDITOR.dom.element( table.$.rows[ row ].cells[ 0 ] );
								newCell.renameNode( 'th' );

								// Modified by bhdzllr
								if ( headers == 'both' && row == 0 ) {
									// Headears on columns and rows and not first table row
									newCell.setAttribute( 'scope', 'col' );
								} else {
									newCell.setAttribute( 'scope', 'row' );
								}
							}
						}

						// Should we make all first TH-cells in a row make TD? If 'yes' we do it the other way round :-)
						if ( ( this.hasColumnHeaders ) && !( headers == 'col' || headers == 'both' ) ) {
							for ( i = 0; i < table.$.rows.length; i++ ) {
								row = new CKEDITOR.dom.element( table.$.rows[ i ] );
								if ( row.getParent().getName() == 'tbody' ) {
									newCell = new CKEDITOR.dom.element( row.$.cells[ 0 ] );
									newCell.renameNode( 'td' );
									newCell.removeAttribute( 'scope' );
								}
							}
						}

						// Set the width and height.
						info.txtHeight ? table.setStyle( 'height', info.txtHeight ) : table.removeStyle( 'height' );
						info.txtWidth ? table.setStyle( 'width', info.txtWidth ) : table.removeStyle( 'width' );

						if ( !table.getAttribute( 'style' ) )
							table.removeAttribute( 'style' );
					}

					// Insert the table element if we're creating one.
					if ( !this._.selectedElement ) {
						editor.insertElement( table );
						// Override the default cursor position after insertElement to place
						// cursor inside the first cell (https://dev.ckeditor.com/ticket/7959), IE needs a while.
						setTimeout( function() {
							var firstCell = new CKEDITOR.dom.element( table.$.rows[ 0 ].cells[ 0 ] );
							var range = editor.createRange();
							if (!range) range = new CKEDITOR.dom.range( editor.document );
							range.moveToPosition( firstCell, CKEDITOR.POSITION_AFTER_START );
							range.select();
						}, 0 );
					}
					// Properly restore the selection, (https://dev.ckeditor.com/ticket/4822) but don't break
					// because of this, e.g. updated table caption.
					else {
						try {
							selection.selectBookmarks( bms );
						} catch ( er ) {
						}
					}
				}
			}
		});
	} 
});