/**
* Register the stylesheets for the public-facing side of the site.
*
* @since 0.1
*/
public function enqueue_styles()
{
/**
* This function is provided for demonstration purposes only.
*
* An instance of this class should be passed to the run() function
* defined in Pressbooks_Metadata_Loader as all of the hooks are defined
* in that particular class.
*
* The Pressbooks_Metadata_Loader will then create the relationship
* between the defined hooks and the functions defined in this
* class.
*/
$pm_BM = Pressbooks_Metadata_Book_Metadata::get_instance();
$meta = $pm_BM->get_current_metadata_flat();
foreach ($meta as $elt) {
if ($elt->get_name() === 'Level') {
$level = $elt;
}
}
$level = $level ? strtolower($level) : '';
if (empty($level)) {
wp_enqueue_style($this->plugin_name, plugin_dir_url(__FILE__) . 'css/pressbooks-lingua-theme-public.css', array(), $this->version, 'all');
} else {
wp_enqueue_style($this->plugin_name, plugin_dir_url(__FILE__) . 'css/pressbooks-lingua-theme-public-' . $level . '.css', array(), $this->version, 'all');
}
}
/**
* Prints the book meta tags containing microdata information.
*/
function print_book_microdata_itemprops_list()
{
$pm_BM = Pressbooks_Metadata_Book_Metadata::get_instance();
$pm_BM->print_microdata_itemprops_list();
}
<?php
if (get_option('blog_public') == '1' || get_option('blog_public') == '0' && current_user_can_for_blog($blog_id, 'read')) {
?>
<div id="sidebar">
<ul id="booknav">
<!-- filepath to -->
<?php
$pathparts = explode('/', site_url());
$length = count($pathparts);
unset($pathparts[$length - 1]);
array_values($pathparts);
$filepath = implode('/', $pathparts);
$pm_BM = Pressbooks_Metadata_Book_Metadata::get_instance();
$meta = $pm_BM->get_current_metadata_flat();
foreach ($meta as $key => $elt) {
if ($elt->get_name() === 'Target language') {
$target = $elt->get_value();
}
}
$target = $target ? strtolower($target) : '';
?>
<li id="flag_li" class="home-btn"><a class="<?php
echo $target;
?>
" href="<?php
echo $filepath;
?>
"><?php
