Siteorigin widget gallery fix

gistfile1.txt

class SiteOrigin_Panels_Widgets_Gallery extends WP_Widget {
  function __construct() {
		parent::__construct(
			'siteorigin-panels-gallery',
			__( 'Gallery (PB)', 'so-panels' ),
			array(
				'description' => __( 'Displays a gallery.', 'so-panels' ),
			)
		);
	}

	function widget( $args, $instance ) {
		echo $args['before_widget'];

		$shortcode_attr = array();
		foreach($instance as $k => $v){
			if(empty($v)) continue;
			$shortcode_attr[] = $k.'="'.esc_attr($v).'"';
		}

		echo do_shortcode('[gallery '.implode(' ', $shortcode_attr).' link="file"]');

		echo $args['after_widget'];
	}

	function update( $new, $old ) {
		return $new;
	}

	function form( $instance ) {
		global $_wp_additional_image_sizes;

		$types = apply_filters('siteorigin_panels_gallery_types', array());

		$instance = wp_parse_args($instance, array(
			'ids' => '',
			'image_size' => apply_filters('siteorigin_panels_gallery_default_size', ''),
			'type' => apply_filters('siteorigin_panels_gallery_default_type', ''),
			'columns' => 3,
			'link'	=>	'file'
		));

		?>
		<p>
			<label for="<?php echo $this->get_field_id( 'ids' ) ?>"><?php _e( 'Gallery Images', 'so-panels' ) ?></label>
			<a href="#" onclick="return false;" class="so-gallery-widget-select-attachments show-in-panels hidden"><?php _e('edit gallery', 'so-panels') ?></a>
			<input type="text" class="widefat" value="<?php echo esc_attr($instance['ids']) ?>" name="<?php echo $this->get_field_name('ids') ?>" />
		</p>
		<p class="description">
			<?php _e("Comma separated attachment IDs. Defaults to all current page's attachments.") ?>
		</p>

		<p>
			<label for="<?php echo $this->get_field_id( 'size' ) ?>"><?php _e( 'Image Size', 'so-panels' ) ?></label>
			<select name="<?php echo $this->get_field_name( 'size' ) ?>" id="<?php echo $this->get_field_id( 'size' ) ?>">
				<option value="" <?php selected(empty($instance['image_size'])) ?>><?php esc_html_e('Default', 'so-panels') ?></option>
				<option value="large" <?php selected('large', $instance['image_size']) ?>><?php esc_html_e( 'Large', 'so-panels' ) ?></option>
				<option value="medium" <?php selected('medium', $instance['image_size']) ?>><?php esc_html_e( 'Medium', 'so-panels' ) ?></option>
				<option value="thumbnail" <?php selected('thumbnail', $instance['image_size']) ?>><?php esc_html_e( 'Thumbnail', 'so-panels' ) ?></option>
				<option value="full" <?php selected('full', $instance['image_size']) ?>><?php esc_html_e( 'Full', 'so-panels' ) ?></option>
				<?php if(!empty($_wp_additional_image_sizes)) : foreach ( $_wp_additional_image_sizes as $name => $info ) : ?>
					<option value="<?php echo esc_attr( $name ) ?>" <?php selected($name, $instance['image_size']) ?>><?php echo esc_html( $name ) ?></option>
				<?php endforeach; endif; ?>
			</select>
		</p>

		<p>
			<label for="<?php echo $this->get_field_id( 'type' ) ?>"><?php _e( 'Gallery Type', 'so-panels' ) ?></label>
			<input type="text" class="regular" value="<?php echo esc_attr($instance['type']) ?>" name="<?php echo $this->get_field_name('type') ?>" />
		</p>

		<p>
			<label for="<?php echo $this->get_field_id( 'columns' ) ?>"><?php _e( 'Columns', 'so-panels' ) ?></label>
			<input type="text" class="regular" value="<?php echo esc_attr($instance['columns']) ?>" name="<?php echo $this->get_field_name('columns') ?>" />
		</p>

		<?php
	}
}