https://thefisherman.co.nz/wp-content/plugins/gallery-plugin/js/frontend_script.js?ver=4.7.9

1( function( $ ) {
2	$( document ).ready( function() {
3		$( window ).resize( function() {
4
5			$( ".gllr_grid:visible" ).each( function() {
6				var $gallery = $( this ),
7					gallery_wrap_width = $gallery.parents( '.gallery_box_single' ).width(),
8					$gallery_rows = $gallery.find( '.gllr_image_row' ),
9					$gallery_first_row = $gallery_rows.filter( ':first' ),
10					$images = $gallery.find( '.gllr_image_block' ),
11					images_in_first_row = $gallery_first_row.find( '.gllr_image_block' ),
12					count_images_in_first_row = images_in_first_row.length,
13					width_image_block_ = images_in_first_row.filter( ':first' ).width(),
14					columns = $gallery.data( 'gllr-columns' ),
15					count_images = $images.length,
16					pre_count_images_in_row = Math.floor( gallery_wrap_width / width_image_block_ ),
17					count_images_in_row = ( columns < pre_count_images_in_row ) ? columns : pre_count_images_in_row,
18					count_rows = Math.ceil( count_images / count_images_in_row );
19
20				if ( count_images_in_first_row != count_images_in_row && count_images_in_row != 0 ) {
21
22					$gallery.empty();
23
24					for( var i = 1; i <= count_rows; i++ ) {
25						var $new_row = $( '<div/>', {
26							'class' : 'gllr_image_row'
27						} ),
28						$new_images_in_row = $images.splice( 0, count_images_in_row );
29						$new_row.append( $new_images_in_row );
30						$gallery.append( $new_row );
31					}
32				}
33			} );
34
35			/* Set equal sizes for every list item in the row when galleries are set to be displayed inline */
36			var $inline_list_items = $( '.gllr-display-inline li' );
37			if ( $inline_list_items.length ) {
38				$inline_list_items.css( { 'width' : '', 'height' : '' } );
39				var	$chunk = $( [] ),
40					item_count = 0,
41					col_margins = $inline_list_items.outerWidth( true ) - $inline_list_items.outerWidth(),
42					/* initial item width */
43					init_width = $inline_list_items.data( 'gllr-width' ),
44					parent_width = $( '.gllr-display-inline' ).innerWidth(),
45					cols = Math.floor( parent_width/( init_width + col_margins ) ),
46					/* recalculate column width so the columns take all the available width */
47					calc_width =  Math.floor( parent_width / cols ) - col_margins;
48
49				/* set items width to calculated value */
50				$inline_list_items.css( { 'width' : calc_width } );
51
52				/* divide items collection into chunks by the calculated columns number */
53				$inline_list_items.each( function() {
54					/* add each list item to chunk */
55					$chunk = $chunk.add( $( this ) );
56
57					item_count++;
58
59					/* when the last element in the row is reached */
60					if ( item_count == cols ) {
61						/* calculate max item height in the row */
62						var chunk_max_height = Math.max.apply( null, $chunk.map( function () {
63							return $( this ).outerHeight();
64						} ) );
65
66						/* set equal height for all items in the row */
67						$chunk.css( { 'height' : chunk_max_height } );
68						/* clear chunk, start new */
69						item_count = 0;
70						$chunk = $( [] );
71					}
72				} );
73			}
74		} ).trigger( 'resize' );
75	} );
76} )( jQuery );