';
} else {
return '![]()
';
}
} else {
return ' . ')
';
}
}
return false;
}
}
/* ---------------------------------------------------------
* Filter the WordPress Galleries for a nicer output
--------------------------------------------------------- */
if ( !function_exists( 'mttr_wp_gallery' ) ) {
function mttr_wp_gallery( $output = '', $atts, $instance ) {
$return = false; // fallback
// Check to see that there are IDs available
if ( $atts[ 'ids' ] ) {
$data = array();
$gallery_images = explode( ',', $atts[ 'ids' ] );
$cols = !empty( $atts['columns'] ) ? $atts['columns'] : 6;
foreach( $gallery_images as $gallery_item ) {
$data[ 'loop' ][] = mttr_wp_gallery_item_data( $gallery_item );
}
$data[ 'modifiers' ] = 'c-gallery--cols-' . $cols . ' ';
$data[ 'modifiers' ] .= 'js-popup-gallery';
// Begin buffering output
ob_start();
mttr_get_component_template( 'gallery', apply_filters( 'mttr_wp_gallery_array', $data ) );
$return = ob_get_contents();
ob_end_clean();
}
return $return;
}
}
add_filter( 'post_gallery', 'mttr_wp_gallery', 10, 3 );
/* ---------------------------------------------------------
* Change the WordPress gallery default settings
--------------------------------------------------------- */
function mttr_gallery_default_settings( $settings ) {
$settings[ 'galleryDefaults' ][ 'columns' ] = 6;
$settings[ 'galleryDefaults' ][ 'link' ] = 'none';
return $settings;
}
add_filter( 'media_view_settings', 'mttr_gallery_default_settings' );
/* ---------------------------------------------------------
* Change the WordPress gallery sizes
--------------------------------------------------------- */
function mttr_gallery_default_settings_sizes( $sizes ) {
// Remove undesired sizes
unset( $sizes[ 'full' ] );
unset( $sizes[ 'large' ] );
return $sizes;
}
add_filter( 'image_size_names_choose', 'mttr_gallery_default_settings_sizes' );
/* ---------------------------------------------------------
* Get information about an attachment image
--------------------------------------------------------- */
if ( !function_exists( 'mttr_wp_gallery_item_data' ) ) {
function mttr_wp_gallery_item_data( $attachment_id, $img_size = 'large', $thumb_size = 'thumbnail' ) {
// Check if images exist
$image = mttr_get_image_url_by_attachment_id( $attachment_id, apply_filters( 'mttr_filter_gallery_image_src_size', $img_size ) );
if ( empty( $image ) ) {
return false;
}
// Set up the data
$data = array(
'image' => $image,
'thumbnail' => mttr_get_image_url_by_attachment_id( $attachment_id, apply_filters( 'mttr_filter_gallery_image_thumb_size', $thumb_size ) ),
'title' => get_post_field( 'post_title', $attachment_id ),
'alt' => get_post_meta( $attachment_id, '_wp_attachment_image_alt', true ),
'caption' => apply_filters( 'the_excerpt', get_post_field( 'post_excerpt', $attachment_id ) ),
);
return $data;
}
}