@@ -660,7 +660,7 @@ protected function formatAttributes()
660660 */
661661 public function setElementClass ($ class )
662662 {
663- $ this ->elementClass = (array )$ class ;
663+ $ this ->elementClass = (array ) $ class ;
664664
665665 return $ this ;
666666 }
@@ -675,14 +675,14 @@ protected function getElementClass()
675675 if (!$ this ->elementClass ) {
676676 $ name = $ this ->elementName ?: $ this ->formatName ($ this ->column );
677677
678- $ this ->elementClass = (array )str_replace (['[ ' , '] ' ], '_ ' , $ name );
678+ $ this ->elementClass = (array ) str_replace (['[ ' , '] ' ], '_ ' , $ name );
679679 }
680680
681681 return $ this ->elementClass ;
682682 }
683683
684684 /**
685- * Get element class string
685+ * Get element class string.
686686 *
687687 * @return mixed
688688 */
@@ -698,7 +698,7 @@ protected function getElementClassString()
698698 }
699699
700700 /**
701- * Get element class selector
701+ * Get element class selector.
702702 *
703703 * @return string
704704 */
@@ -707,60 +707,58 @@ protected function getElementClassSelector()
707707 $ elementClass = $ this ->getElementClass ();
708708
709709 if (Arr::isAssoc ($ elementClass )) {
710-
711710 $ classes = [];
712711
713712 foreach ($ elementClass as $ index => $ class ) {
714- $ classes [$ index ] = '. ' . $ class ;
713+ $ classes [$ index ] = '. ' . $ class ;
715714 }
716715
717716 return $ classes ;
718717 }
719718
720- return '. ' . implode ('. ' , $ elementClass );
719+ return '. ' . implode ('. ' , $ elementClass );
721720 }
722721
723722 /**
724- * Add the element class
723+ * Add the element class.
725724 *
726725 * @param $class
726+ *
727727 * @return $this
728728 */
729729 public function addElementClass ($ class )
730730 {
731- if (is_array ($ class ) || is_string ($ class )){
732-
733- $ this ->elementClass = array_merge ($ this ->elementClass , (array )$ class );
731+ if (is_array ($ class ) || is_string ($ class )) {
732+ $ this ->elementClass = array_merge ($ this ->elementClass , (array ) $ class );
734733
735734 $ this ->elementClass = array_unique ($ this ->elementClass );
736735 }
737736
738737 return $ this ;
739738 }
740739
741-
742740 /**
743- * Remove element class
741+ * Remove element class.
744742 *
745743 * @param $class
744+ *
746745 * @return $this
747746 */
748747 public function removeElementClass ($ class )
749748 {
750749 $ delClass = [];
751750
752- if (is_string ($ class ) || is_array ($ class )){
753- $ delClass = (array )$ class ;
751+ if (is_string ($ class ) || is_array ($ class )) {
752+ $ delClass = (array ) $ class ;
754753 }
755754
756- foreach ($ delClass as $ del ){
757- if (($ key = array_search ($ del , $ this ->elementClass ))){
755+ foreach ($ delClass as $ del ) {
756+ if (($ key = array_search ($ del , $ this ->elementClass ))) {
758757 unset($ this ->elementClass [$ key ]);
759758 }
760759 }
761760
762761 return $ this ;
763-
764762 }
765763
766764 /**
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