content-az.php

<?php
/**
 * The template used for displaying page content in page.php
 *
 * @package cornerstone
 */

$exclude = get_post_meta(get_the_ID(), 'exclude', 'true');
$pattern = '#[A-Za-z|~`!@\#$%^&*()_+=|\\}\][{\'/;\-":?>.<]#';
?>


<article id="post-<?php the_ID(); ?>" <?php post_class('clearfix'); ?>>
	<header class="entry-header">
		<?php the_title( '<h1 class="entry-title">', '</h1>' ); ?>
	</header><!-- .entry-header -->

	<div class="entry-content">
		<?php the_content(); ?>
		<?php
			wp_link_pages( array(
				'before' => '<div class="page-links">' . __( 'Pages:', 'cs' ),
				'after'  => '</div>',
			) );
		?>
	</div><!-- .entry-content -->
	
	<div id="az-index" class="clearfix">
		<?php
			function getChars($pages){
				global $exclude;
				//$pages = get_pages(array('sort_order' => 'asc', 'sort_column' => 'post_title', 'hierarchical' => false, 'exclude' => $exclude));
				$letters = array();
				foreach( (array) $pages as $pg ){
					$parent = is_parent_private($pg->ID);
					if($parent !== false) $page = $parent;
					else $page = $pg->ID;
					$private = get_post_meta($page, 'uc-private', true);
					if($private == 'admins' || $private == 'users' || $private == 'list'){
						continue;
					}
					$title = ucwords($pg->post_title);
					$char = $title{0};
					//if($char == 'Z') echo $title;
					if(!in_array($char, $letters) ){
						array_push($letters, $char);
					}
				}
				return $letters;
			}			
			
			// Generate AZ Navigation 
			echo '<nav class="btn-group">';
			$pages = get_pages(array('sort_order' => 'asc', 'sort_column' => 'post_title', 'hierarchical' => false, 'exclude' => $exclude));
			$anchors = getChars($pages);
			foreach( range('A', 'Z') as $char ){
				if( in_array( $char, $anchors ) ){
					echo '<a href="#'.$char.'-pages" class="btn btn-default">'.$char.'</a>';
				} else {
					echo '<span class="btn btn-default disabled">'.$char.'</span>';
				}
			}
			echo '</nav><nav class="btn-group">';
			foreach( range('0', '9') as $char ){
				if( in_array( (string)$char, $anchors ) ){
					echo '<a href="#'.$char.'-pages" class="btn btn-default">'.$char.'</a>';
				} else {
					echo '<span class="btn btn-default disabled">'.$char.'</span>';
				}
			}
			echo '</nav>';
			?>
			<input id="azFilterInput" type="text" class="form-control" aria-label="search site A to Z" placeholder="Type here to filter this list" />
			<?php
			// Generate AZ List
			//if( !preg_match($pattern, $exclude, $matches) ){
				$letters = array();
				echo '<section class="letter-directory">';
				foreach( (array) $pages as $pg ){
					$parent = is_parent_private($pg->ID);
					if($parent !== false) $page = $parent;
					else $page = $pg->ID;
					$private = get_post_meta($page, 'uc-private', true);
					if($private == 'admins' || $private == 'users' || $private == 'list'){
						continue;
					}
					$title = ucwords($pg->post_title);
					$char = $title{0};
					if( !( empty($char) ) ){
						if( $char != end($letters) && !empty($letters) ){
							echo '</ol></div>';						  
						}				
						if( !in_array($char, $letters) ){
							echo '<div class="az-letter"><a name="'.$char.'-pages" class="az-anchor"></a><h2 id="'.$char.'-pages" class="az-letter-title"><span class="az-letter">'.$char.'</span></h2><ol class="az-letter-list">';
							array_push($letters, $char);
						}
						echo '<li><a href="'.get_page_link($pg->ID).'" class="az-letter-page">'.$title.'</a></li>';
					}
				}
				echo '</ol></div></section>';
			//} else {
			//	echo '<p>Invalid input in field: "exclude"</p>';
			//}
		?>
	</div>
<footer class="entry-footer">
		<?php edit_post_link( __( 'Edit', 'cs' ), '<span class="edit-link">', '</span>' ); ?>
	</footer><!-- .entry-footer -->
</article><!-- #post-## -->