Adding post_gallery filter to incorporate BS4 markup
This commit is contained in:
Holger Könemann
parent
208432a04b
commit
3703c13171
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@ -67,6 +67,11 @@ require get_template_directory() . '/inc/bootstrap-wp-navwalker.php';
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*/
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require get_template_directory() . '/inc/bootstrap-wp-pagination.php';
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/**
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* Load custom WordPress gallery.
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*/
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require get_template_directory() . '/inc/bootstrap-wp-gallery.php';
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/**
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* Load WooCommerce functions.
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@ -0,0 +1,132 @@
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<?php
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//Based on Jeff Hays code and his article here: http://robido.com/wordpress/wordpress-gallery-filter-to-modify-the-html-output-of-the-default-gallery-shortcode-and-style/
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// Custom filter function to modify default gallery shortcode output
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function bootstrap_wp_gallery( $output, $attr ) {
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// Initialize
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global $post, $wp_locale;
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// Gallery instance counter
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static $instance = 0;
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$instance++;
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// Validate the author's orderby attribute
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if ( isset( $attr['orderby'] ) ) {
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$attr['orderby'] = sanitize_sql_orderby( $attr['orderby'] );
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if ( ! $attr['orderby'] ) unset( $attr['orderby'] );
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}
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// Get attributes from shortcode
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extract( shortcode_atts( array(
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'order' => 'ASC',
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'orderby' => 'menu_order ID',
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'id' => $post->ID,
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'itemtag' => 'div',
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'icontag' => 'div',
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'captiontag' => 'div',
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'columns' => 3,
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'size' => 'thumbnail',
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'include' => '',
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'exclude' => ''
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), $attr ) );
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// Initialize
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$id = intval( $id );
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$attachments = array();
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if ( $order == 'RAND' ) $orderby = 'none';
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if ( ! empty( $include ) ) {
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// Include attribute is present
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$include = preg_replace( '/[^0-9,]+/', '', $include );
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$_attachments = get_posts( array( 'include' => $include, 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => $order, 'orderby' => $orderby ) );
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// Setup attachments array
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foreach ( $_attachments as $key => $val ) {
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$attachments[ $val->ID ] = $_attachments[ $key ];
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}
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} else if ( ! empty( $exclude ) ) {
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// Exclude attribute is present
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$exclude = preg_replace( '/[^0-9,]+/', '', $exclude );
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// Setup attachments array
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$attachments = get_children( array( 'post_parent' => $id, 'exclude' => $exclude, 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => $order, 'orderby' => $orderby ) );
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} else {
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// Setup attachments array
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$attachments = get_children( array( 'post_parent' => $id, 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => $order, 'orderby' => $orderby ) );
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}
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if ( empty( $attachments ) ) return '';
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// Filter gallery differently for feeds
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if ( is_feed() ) {
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$output = "\n";
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foreach ( $attachments as $att_id => $attachment ) $output .= wp_get_attachment_link( $att_id, $size, true ) . "\n";
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return $output;
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}
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// Filter tags and attributes
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$itemtag = tag_escape( $itemtag );
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$captiontag = tag_escape( $captiontag );
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$columns = intval( $columns );
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$itemwidth = $columns > 0 ? floor( 12 / $columns ) : 100;
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$float = is_rtl() ? 'right' : 'left';
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$selector = "gallery-{$instance}";
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// Filter gallery CSS
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$output = apply_filters( 'gallery_style', "
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<div id='$selector' class='gallery galleryid-{$id} row'>"
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);
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// Iterate through the attachments in this gallery instance
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$i = 0;
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foreach ( $attachments as $id => $attachment ) {
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// Attachment link
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$link = isset( $attr['link'] ) && 'file' == $attr['link'] ? wp_get_attachment_link( $id, $size, false, false ) : wp_get_attachment_link( $id, $size, true, false );
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// Start itemtag
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$output .= "<{$itemtag} class='gallery-item col-md-{$itemwidth}'>";
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// icontag
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$output .= "
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<{$icontag} class='gallery-icon'>
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$link
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</{$icontag}>";
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if ( $captiontag && trim( $attachment->post_excerpt ) ) {
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// captiontag
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$output .= "
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<{$captiontag} class='gallery-caption'>
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" . wptexturize($attachment->post_excerpt) . "
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</{$captiontag}>";
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}
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// End itemtag
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$output .= "</{$itemtag}>";
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// Line breaks by columns set
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if($columns > 0 && ++$i % $columns == 0) $output .= '<br style="clear: both">';
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}
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// End gallery output
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$output .= "
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<br style='clear: both;'>
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</div>\n";
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return $output;
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}
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// Apply filter to default gallery shortcode
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add_filter( 'post_gallery', 'bootstrap_wp_gallery', 10, 2 );
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@ -31,7 +31,6 @@ function understrap_slider(){
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"items"=>get_theme_mod( 'understrap_theme_slider_count_setting', 1 )
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);
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wp_enqueue_script("understrap-slider-script", get_stylesheet_directory_uri() . '/js/slider_settings.js', array(), '0.4.3');
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wp_localize_script( "understrap-slider-script", "understrap_slider_variables", $data );
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}
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