Allows you to define a theme specific gallery type.

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1.0.1 2018-01-13 11:04 UTC

This package is auto-updated.

Last update: 2024-06-18 00:10:22 UTC


Gallery Types

A plugin that allows you to define a theme specific gallery type. Props to Jetpack for their Gallery module.

Add custom gallery types

By default the plugin supports only one type, WordPress default thumbnail grid. To add more types you can use the gallery_types.types filter.

add_filter( 'gallery_types.types', function( $types ) {
	return array_merge( $types, [
		'slider' => [
			'label' => __( 'Slider', 'gallery-types' ),
			'supports_columns' => false,
	] );
} );

Each type has a key (slider) with two values: label for the label displayed in the select menu and supports_columns to define whether the type supports columns. If supports_columns is set to false the columns option will be hidden.
Once a user selects a type the shortcode will get a new type attribute with the key of a gallery type as value.

To change the default selected type you can use the gallery_types.default-type filter.

Customize gallery output

This plugin does not change the ouput of the gallery shortcode. That needs to be part of your theme and could be something like this:

 * Customizes the gallery shortcode output if the type attribute is set to 'slider'.
 * @see gallery_shortcode()
 * @param string $output The gallery output. Default empty.
 * @param array  $attr   Attributes of the gallery shortcode.
 * @return string HTML content to display gallery.
function required_gallery_shortcode( $output, $attr ) {
	$is_slider = false;
	// Check if the type attribute is set.
	if ( isset( $attr['type'] ) && 'slider' === $attr['type'] ) {
		$is_slider = true;

	// Return the default gallery if the type attribute isn't set.
	if ( ! $is_slider ) {
		remove_filter( 'post_gallery', 'required_gallery_shortcode', 10 );
		$output = gallery_shortcode( $attr );
		add_filter( 'post_gallery', 'required_gallery_shortcode', 10, 2 );
		return $output;

	// Override shortcode attributes.
	$attr['size']    = 'thumbnail';
	$attr['link']    = 'file';
	$attr['columns'] = 0;

	// Get default gallery output and wrap it in a custom container div.
	remove_filter( 'post_gallery', 'required_gallery_shortcode', 10 );
	$output = gallery_shortcode( $attr );
	add_filter( 'post_gallery', 'required_gallery_shortcode', 10, 2 );

	return "<div class='gallery-slider'>$output</div>";
add_filter( 'post_gallery', 'required_gallery_shortcode', 10, 2 );


Build Task

To update the minfied JavaScript file you need Node.js installed.

# to install dependencies run:
npm install

# to update the file run:
npm run build