File Manager

<?php
$this->start_element( 'nextgen_gallery.gallery_container', 'container', $displayed_gallery );
?>
<!-- index.php -->
<div
	class="ngg-galleryoverview
	<?php
	if ( ! intval( $ajax_pagination ) ) {
		echo ' ngg-ajax-pagination-none';}
	?>
	"
	id="ngg-gallery-<?php echo esc_attr( $displayed_gallery_id ); ?>-<?php echo esc_attr( $current_page ); ?>">

	<?php if ( ! empty( $slideshow_link ) ) : ?>
	<div class="slideshowlink">
		<a href='<?php echo esc_attr( $slideshow_link ); ?>'><?php echo esc_html( $slideshow_link_text ); ?></a>
		
	</div>
	<?php endif ?>
	<?php

	$this->start_element( 'nextgen_gallery.image_list_container', 'container', $images );

	?>
	<!-- Thumbnails -->
	<?php
	for ( $i = 0; $i < count( $images ); $i++ ) :
		$image      = $images[ $i ];
		$thumb_size = $storage->get_image_dimensions( $image, $thumbnail_size_name );
		$style      = isset( $image->style ) ? $image->style : null;

		if ( isset( $image->hidden ) && $image->hidden ) {
			$style = 'style="display: none;"';
		} else {
			$style = null;
		}

			$this->start_element( 'nextgen_gallery.image_panel', 'item', $image );

		?>
			<div id="<?php echo esc_attr( 'ngg-image-' . $i ); ?>" class="ngg-gallery-thumbnail-box" 
								<?php
								if ( $style ) {
									echo $style;}
								?>
			>
				<?php

				$this->start_element( 'nextgen_gallery.image', 'item', $image );

				?>
		<div class="ngg-gallery-thumbnail">
			<a href="<?php echo esc_attr( $storage->get_image_url( $image, 'full', true ) ); ?>"
				title="<?php echo esc_attr( $image->description ); ?>"
				data-src="<?php echo esc_attr( $storage->get_image_url( $image ) ); ?>"
				data-thumbnail="<?php echo esc_attr( $storage->get_image_url( $image, 'thumb' ) ); ?>"
				data-image-id="<?php echo esc_attr( $image->{$image->id_field} ); ?>"
				data-title="<?php echo esc_attr( $image->alttext ); ?>"
				data-description="<?php echo esc_attr( stripslashes( $image->description ) ); ?>"
				data-image-slug="<?php echo esc_attr( $image->image_slug ); ?>"
				<?php echo $effect_code; ?>>
				<img
					title="<?php echo esc_attr( $image->alttext ); ?>"
					alt="<?php echo esc_attr( $image->alttext ); ?>"
					src="<?php echo esc_attr( $storage->get_image_url( $image, $thumbnail_size_name, true ) ); ?>"
					width="<?php echo esc_attr( $thumb_size['width'] ); ?>"
					height="<?php echo esc_attr( $thumb_size['height'] ); ?>"
					style="max-width:100%;"
				/>
			</a>
		</div>
				<?php

				$this->end_element();

				?>
			</div> 
			<?php

			$this->end_element();

			?>

		<?php if ( $number_of_columns > 0 && empty( $show_all_in_lightbox ) ) : ?>
			<?php if ( ( ( $i + 1 ) % $number_of_columns ) == 0 ) : ?>
				<br style="clear: both" />
			<?php endif; ?>
		<?php endif; ?>

	<?php endfor ?>
	<?php

	$this->end_element();

	?>

	<?php if ( $pagination ) : ?>
	<!-- Pagination -->
		<?php echo $pagination; ?>
	<?php else : ?>
	<div class="ngg-clear"></div>
	<?php endif ?>
</div>
<?php $this->end_element(); ?>