pressbooks aldine theme the theme used for the front page or default book
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<?php
/**
* Aldine Filters
*
* @package Aldine
*/
namespace Aldine\Filters;
use function Aldine\Helpers\has_sections;
/**
* Adds custom classes to the array of body classes.
*
* @see https://github.com/roots/sage/blob/master/app/filters.php
*
* @param array $classes Classes for the body element.
* @return array
*/
function body_classes( array $classes ) {
/** Add page slug if it doesn't exist */
if ( is_single() || is_page() && ! is_front_page() ) {
if ( ! in_array( basename( get_permalink() ), $classes, true ) ) {
$classes[] = basename( get_permalink() );
}
}
/** Add .has-sections if page content has sections */
if ( is_single() || is_page() && has_sections( get_the_ID() ) ) {
$classes[] = 'has-sections';
}
/** Clean up class names for custom templates */
$classes = array_map( function ( $class ) {
return preg_replace( [ '/-php$/', '/^page-template-views/' ], '', $class );
}, $classes );
return array_filter( $classes );
}
/**
* Add custom query vars for catalog.
*
* @param array $vars The array of available query variables.
*
* @link https://codex.wordpress.org/Plugin_API/Filter_Reference/query_vars
*/
function register_query_vars( $vars ) {
$vars[] = 'license';
$vars[] = 'subject';
return $vars;
}
/**
* Customize excerpt.
*
* @return string
*/
function excerpt_more() {
return ' &hellip; <a href="' . get_permalink() . '">' . __( 'Continued', 'pressbooks-aldine' ) . '</a>';
}
/**
* Add style select dropdown to TinyMCE.
*
* @param array $buttons The default button array.
* @return array The modified array.
*/
function add_style_select( $buttons ) {
array_unshift( $buttons, 'styleselect' );
return $buttons;
}
/**
* Add custom block formats to TinyMCE.
*
* @param array $init_array The default array.
* @return array The modified array.
**/
function add_blocks( $init_array ) {
$style_formats = [
[
'title' => __( 'Page Section', 'pressbooks-aldine' ),
'block' => 'div',
'classes' => [ 'page-section' ],
'wrapper' => true,
],
[
'title' => __( 'Page Section (Accent)', 'pressbooks-aldine' ),
'block' => 'div',
'classes' => [ 'page-section', 'page-section--accent' ],
'wrapper' => true,
],
[
'title' => __( 'Page Section (Bordered)', 'pressbooks-aldine' ),
'block' => 'div',
'classes' => [ 'page-section', 'page-section--bordered' ],
'wrapper' => true,
],
[
'title' => __( 'Page Section (Borderless)', 'pressbooks-aldine' ),
'block' => 'div',
'classes' => [ 'page-section', 'page-section--borderless' ],
'wrapper' => true,
],
[
'title' => __( 'Call to Action', 'pressbooks-aldine' ),
'inline' => 'a',
'classes' => [ 'call-to-action' ],
],
];
$init_array['style_formats'] = json_encode( $style_formats );
return $init_array;
}
/**
* Add things to the menu.
*
* @param string $items
* @param object $args
* @return string
*/
function adjust_menu( $items, $args ) {
if ( $args->theme_location === 'primary-menu' ) {
return \Aldine\Helpers\get_default_menu( $items );
}
return $items;
}