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<?php
/**
* Create custom gallery output for the WP gallery shortcode
*
* @package Wanderfuls WordPress theme
* @subpackage Framework
*/
// Render the class
if ( ! class_exists( 'TB_Custom_WP_Gallery' ) ) {
class TB_Custom_WP_Gallery {
/**
* Initialize the class and set its properties.
*
* @since 1.0.0
*/
public function __construct() {
add_filter( 'tb_image_sizes', array( $this, 'add_image_sizes' ), 999 );
add_filter( 'post_gallery', array( $this, 'output' ), 10, 2 );
}
/**
* Adds image sizes for your galleries to the image sizes panel
*
* @since 2.0.0
*/
public static function add_image_sizes( $sizes ) {
$sizes = array_merge( $sizes, array(
'gallery' => array(
'label' => __( 'WordPress Gallery', 'tb' ),
'width' => 'gallery_image_width',
'height' => 'gallery_image_height',
'crop' => 'gallery_image_crop',
),
) );
return $sizes;
}
/**
* Tweaks the default WP Gallery Output
*
* @since 1.0.0
*/
public static function output( $output, $attr ) {
// Main Variables
global $post, $wp_locale, $instance;
$instance++;
static $instance = 0;
$output = '';
// Sanitize orderby statement
if ( isset( $attr['orderby'] ) ) {
$attr['orderby'] = sanitize_sql_orderby( $attr['orderby'] );
if ( ! $attr['orderby'] ) {
unset( $attr['orderby'] );
}
}
// Get shortcode attributes
extract( shortcode_atts( array(
'order' => 'ASC',
'orderby' => 'menu_order ID',
'id' => $post->ID,
'columns' => 3,
'include' => '',
'exclude' => '',
'img_height' => '',
'img_width' => '',
'size' => '',
'crop' => '',
), $attr ) );
// Get post ID
$id = intval( $id );
if ( 'RAND' == $order ) {
$orderby = 'none';
}
if ( ! empty( $include ) ) {
$include = preg_replace( '/[^0-9,]+/', '', $include );
$_attachments = get_posts(
array(
'include' => $include,
'post_status' => '',
'inherit' => '',
'post_type' => 'attachment',
'post_mime_type' => 'image',
'order' => $order,
'orderby' => $orderby
)
);
$attachments = array();
foreach ( $_attachments as $key => $val ) {
$attachments[$val->ID] = $_attachments[$key];
}
} elseif ( ! empty( $exclude ) ) {
$exclude = preg_replace( '/[^0-9,]+/', '', $exclude );
$attachments = get_children( array(
'post_parent' => $id,
'exclude' => $exclude,
'post_status' => 'inherit',
'post_type' => 'attachment',
'post_mime_type' => 'image',
'order' => $order,
'orderby' => $orderby) );
} else {
$attachments = get_children( array(
'post_parent' => $id,
'post_status' => 'inherit',
'post_type' => 'attachment',
'post_mime_type' => 'image',
'order' => $order,
'orderby' => $orderby
) );
}
if ( empty( $attachments ) ) {
return '';
}
if ( is_feed() ) {
$output = "\n";
$size = $size ? $size : 'thumbnail';
foreach ( $attachments as $attachment_id => $attachment )
$output .= wp_get_attachment_link( $attachment_id, $size, true ) . "\n";
return $output;
}
// Get columns #
$columns = intval( $columns );
// Set cropping sizes
if ( $columns > 1 ) {
$img_width = $img_width ? $img_width : tb_get_mod( 'gallery_image_width' );
$img_height = $img_height ? $img_height : tb_get_mod( 'gallery_image_height' );
}
// Sanitize Data
$size = $size ? $size : 'large';
$size = ( $img_width || $img_height ) ? 'tb_custom' : $size;
$crop = $crop ? $crop : 'center-center';
// Float
$float = is_rtl() ? 'right' : 'left';
// Load lightbox skin stylesheet
tb_enqueue_ilightbox_skin();
// Begin output
$output .= '<div id="gallery-'. $instance .'" class="tb-gallery tb-row lightbox-group clr">';
// Begin Loop
$count = 0;
foreach ( $attachments as $attachment_id => $attachment ) {
// Increase counter for clearing floats
$count++;
// Attachment Vars
$attachment_data = tb_get_attachment_data( $attachment_id );
$alt = $attachment_data['alt'];
$caption = $attachment_data['caption'];
$video = $attachment_data['video'];
$lightbox_url = $video ? $video : tb_get_lightbox_image( $attachment_id );
// Generate the image HTMl
$img_html = tb_get_post_thumbnail( array(
'attachment' => $attachment_id,
'size' => $size,
'width' => $img_width,
'height' => $img_height,
'crop' => $crop
) );
// Add data attributes for lightbox
if ( $video ) {
$lightbox_data = ' data-options="thumbnail: \''. tb_get_lightbox_image( $attachment_id ) .'\', width:1920, height:1080"';
} else {
$lightbox_data = ' data-type="image"';
}
// Start Gallery Item
$output .= '<figure class="gallery-item '. tb_grid_class( $columns ) .' col col-'. $count .'">';
// Display image
$output .= '<a href="'. $lightbox_url .'" title="'. wp_strip_all_tags( $caption ) .'" class="tb-lightbox-group-item"'. $lightbox_data .'>';
$output .= $img_html;
$output .= '</a>';
// Display Caption
if ( trim ( $attachment->post_excerpt ) ) {
if ( tb_is_front_end_composer() ) {
$output .= '<div class="gallery-caption">'. wptexturize( $attachment->post_excerpt ) . '</div>';
} else {
$output .= '<figcaption class="gallery-caption">'. wptexturize( $attachment->post_excerpt ) . '</figcaption>';
}
}
// Close gallery item div
$output .= "</figure>";
// Set vars to remove margin on last item of each row and clear floats
if ( $count == $columns ) {
$count = '0';
}
}
// Close gallery div
$output .= "</div>\n";
return $output;
}
}
}
$tb_custom_wp_gallery = new TB_Custom_WP_Gallery;