Openlabnotebooks.org software

/*
  Based on Category Checklist Tree, by scribu
  Preserves the category hierarchy on the post editing screen
  Removes parent categories checkbox selection
*/
class Category_Checklist {

    function init() {
        add_filter( 'wp_terms_checklist_args', array( __CLASS__, 'checklist_args' ) );
    }

    function checklist_args( $args ) {
        add_action( 'admin_footer', array( __CLASS__, 'script' ) );

        $args['checked_ontop'] = false;

        return $args;
    }

    // Scrolls to first checked category
    function script() {
<script type="text/javascript">
    jQuery(function(){
        jQuery('[id$="-all"] > ul.categorychecklist').each(function() {
            var $list = jQuery(this);
            var $firstChecked = $list.find(':checked').first();

            if ( !$firstChecked.length )
                return;

            var pos_first = $list.find(':checkbox').position().top;
            var pos_checked = $firstChecked.position().top;

            $list.closest('.tabs-panel').scrollTop(pos_checked - pos_first + 5);
        });
        
    var listItems = jQuery("#categorychecklist>li");
    listItems.each(function(li) {
        var id = this.id;
            if (id != "category-1") { //Uncategorised
                jQuery(this).children("label").children("input").each(function(){
                    jQuery(this).remove();
                });
            }
        });
    });
</script>
<?php
    }
}

Category_Checklist::init();

/**
 * Enqueue the LESS stylesheet
 */
wp_enqueue_style( 'less-style', get_stylesheet_directory_uri() . '/less/custom.less' );

/**
 * Add category class to body of posts
 */
function add_category_name( $classes = '' ) {
   if(is_single()) {
      $category = get_the_category();
      $classes[] = 'category-'.$category[0]->term_taxonomy_id;
   }
   return $classes;
}

add_filter( 'body_class', 'add_category_name' );

/**
 * Remove tags from posts
 */
function sgc_unregister_tags() {
    unregister_taxonomy_for_object_type( 'post_tag', 'post' );
}

add_action( 'init', 'sgc_unregister_tags' );

/**
 * Remove the word category before title on category pages
 */
add_filter( 'get_the_archive_title', function ($title) {
    if ( is_category() ) {
       $title = single_cat_title( '', false );
    }
    elseif ( is_tag() ) {
       $title = single_tag_title( '', false );
    }
    elseif ( is_author() ) {
       $title = '<span class="vcard">' . get_the_author() . '</span>' ;
    }

    return $title;
});

/**
 * Truncate HTML
 */
function truncate_html($string, $length, $postfix = '&hellip;', $isHtml = true) {
    $string = trim($string);
    $postfix = (strlen(strip_tags($string)) > $length) ? $postfix : '';
    $i = 0;
    $tags = [];

    if($isHtml) {
        preg_match_all('/<[^>]+>([^<]*)/', $string, $tagMatches, PREG_OFFSET_CAPTURE | PREG_SET_ORDER);
        foreach($tagMatches as $tagMatch) {
            if ($tagMatch[0][1] - $i >= $length) {
                break;
            }

            $tag = substr(strtok($tagMatch[0][0], " \t\n\r\0\x0B>"), 1);
            if ($tag[0] != '/') {
                $tags[] = $tag;
            }
            elseif (end($tags) == substr($tag, 1)) {
                array_pop($tags);
            }

            $i += $tagMatch[1][1] - $tagMatch[0][1];
        }
    }

    return substr($string, 0, $length = min(strlen($string), $length + $i)) . (count($tags = array_reverse($tags)) ? '</' . implode('></', $tags) . '>' : '') . $postfix;
}

/**
 * Hide page attributes for all users except administrator
 */
function remove_page_attribute_box() {
    if( is_admin() ) {
        $user = wp_get_current_user();
        $allowed_roles = array('administrator');
            
    if( array_diff( $allowed_roles, $user->roles ) ) {
            remove_meta_box('pageparentdiv', 'page', 'normal');
        }
    }
}

add_action( 'admin_menu', 'remove_page_attribute_box' );

/**
 * Change link of the header logo
 */
/**
add_filter( 'get_custom_logo', 'clean_journal_pro_logo' );

function clean_journal_pro_logo() {
    $custom_logo_id = get_theme_mod( 'custom_logo' );
    $html = sprintf( '<a href="%1$s" class="custom-logo-link" rel="home" itemprop="url">%2$s</a>',
        esc_url( '//www.thesgc.org' ),
    wp_get_attachment_image( $custom_logo_id, 'full', false, array(
        'class'    => 'custom-logo',
    ) )
    );
    return $html;
} */

/**
 * Get the author's email address from the author meta info.
 */
function cf7_get_author_email($atts){
    $value = '';

    if(get_the_author_meta( 'user_email' )) {
        $value = get_the_author_meta( 'user_email' );
    }

    return $value;
 }

add_shortcode( 'CF7_AUTHOR_EMAIL', 'cf7_get_author_email' );

/**
 * Exclude Pingback comments from sidebar recent comments.
 */
function sgc_pingback_recent_comments( $array ) {
    $array['type'] = 'comment';
    return $array;
}

add_filter( 'widget_comments_args', 'sgc_pingback_recent_comments');

/**
 * Exclude people from Past Scientists category to appear in sidebar categories.
 */
function sgc_exclude_widget_categories($args){
    $exclude = "1, 14, 25";
    $args["exclude"] = $exclude;
    return $args;
}
add_filter("widget_categories_args","sgc_exclude_widget_categories");