Adds post and page navigation

components/content-page.php

@@ -34,6 +34,10 @@
 
 	<div class="entry-content">
 		<?php
+			$text = get_the_content();
+
+			nc_template_content_navigation( $text );
+
 			the_content();
 
 			wp_link_pages( array(

footer.php

@@ -31,9 +31,7 @@
 			<?php endif; ?>
 		</div>
 		<div class="footer-info">
-			<p>&#xa9; <?php bloginfo( 'name' ); ?>. <?php echo esc_html__( 'All rights reserved.', 'nc-template' ); ?>
-				<?php printf( esc_html__( 'Website by %s.', 'nc-template' ), '<a href="http://connorbaer.io/" rel="designer" target="_blank">Connor B&#228;r</a>' ); ?>
-			</p>
+			<p>&#xa9; <?php bloginfo( 'name' ); ?>. <?php echo esc_html__( 'All rights reserved.', 'nc-template' ); ?> Made by <a href="http://connorbaer.io/" rel="designer" target="_blank">Connor B&#228;r</a>.</p>
 		</div>
 
 	</footer>

functions.php

@@ -56,11 +56,10 @@ function nc_template_setup() {
 		'header-text' => array( 'site-title' ),
 	) );
 
-	// This theme uses wp_nav_menu() in one location.
+	// This theme uses wp_nav_menu() in two locations.
 	register_nav_menus( array(
 		'header' => esc_html__( 'Header', 'nc-template' ),
 		'social' => __( 'Social', 'nc-template' ),
-		'footer' => __( 'Footer', 'nc-template' ),
 		) );
 
 	/*

inc/extras.php

@@ -55,3 +55,88 @@ function nc_template_excerpt_length( $length ) {
 	return 32;
 }
 add_filter( 'excerpt_length', 'nc_template_excerpt_length', 999 );
+
+/**
+ * Filter the excerpt "read more" string.
+ *
+ * @param string $more "Read more" excerpt string.
+ * @return string (Maybe) modified "read more" excerpt string.
+ */
+function nc_template_excerpt_more( $more ) {
+	return '...';
+}
+add_filter( 'excerpt_more', 'nc_template_excerpt_more' );
+
+/**
+ * Filter the content to remove p tags around images.
+ *
+ * @param html $content The post/page content as html.
+ * @return html Post/page content modified to remove p tags around images.
+ */
+// function nc_template_content_images( $content ){
+//    return preg_replace( '/<p>\s*(<a .*>)?\s*(<img .* \/>)\s*(<\/a>)?\s*<\/p>/iU', '\1\2\3', $content );
+// }
+
+
+/**
+ * Wrap the inserted image html with <figure> 
+ * if the theme supports html5 and the current image has no caption:
+ *
+ * @param html $content The post/page content as html.
+ * @return html Post/page content modified to wrap images in figure tags.
+ */     
+/* function nc_template_content_images ( $content )
+{ 
+    $content = preg_replace( 
+        '/<p>\\s*?(<a rel=\"attachment.*?><img.*?><\\/a>|<img.*?>)?\\s*<\\/p>/s', 
+        '<figure>$1</figure>', 
+        $content 
+    ); 
+    return $content; 
+} */
+
+
+function nc_template_content_images ( $content ) {
+	$dom = new DOMDocument();
+	$dom -> loadHTML( $content );
+	$nodes = $dom->getElementsByTagName( 'img' );
+
+	$items = array();
+	foreach ( $nodes as $node ) {
+		$parent = $node->parentNode;
+		if ( $parent -> tagName == 'p' ) {
+	    	$class = $node -> getAttribute( 'class' );
+	    }
+	}
+}
+// add_filter( 'the_content', 'nc_template_content_images', 99 );
+
+
+// $dom = new DOMDocument();
+// $dom -> loadHTML( $content );
+// $nodes = $dom->getElementsByTagName( 'img' );
+// $items = array();
+// foreach ( $nodes as $node ) {
+// 	if ( $node -> hasAttribute( 'id' ) == true ) {
+//     	$items[] = $node -> getAttribute( 'id' );
+//     }
+// }
+// if ( count( $items ) != 0 ) {
+// 	echo '<nav class="navigation content-navigation">';
+// 	echo '<h6 class="nav-header">Inhalt</h6>';
+// 	echo '<div class="nav-links">';
+// 	foreach ( $items as $item ) {
+// 		echo '<a href="#', $item, '" title="', $item, '" data-scroll>', $item, ' ↓</a>';
+// 	}
+// 	echo '</nav>';
+// }
+
+
+// x. DOMDocument with $content
+// x. get all img nodes
+// x. Get all parent node tag names
+// x. for all elements where the parent node is a p element: 
+// 	x. get the img class attribute 
+// 	b. remove parent node 
+// 	c. output new node with figure (including class) and img tag
+// 5. return $content

inc/template-tags.php

@@ -31,6 +31,72 @@ function nc_template_custom_logo() {
 }
 endif;
 
+if ( ! function_exists( 'get_prev_next' ) ) :
+/**
+ * Prints HTML with links to previous and next pages for the current page.
+ */
+function get_prev_next() {
+	$test = wp_get_nav_menu_items( 'header' );
+
+	$pagelist = get_pages( array( 
+		'sort_column' => 'menu_order',
+		'sort_order' => 'asc' ) );
+	$pages = array();
+	foreach ( $pagelist as $page ) {
+	   $pages[] += $page->ID;
+	}
+
+	$current = array_search( get_the_ID(), $pages );
+	$prev_id = $pages[ $current - 1 ];
+	$next_id = $pages[ $current + 1 ];
+
+	echo '<nav class="navigation post-navigation">';
+	echo '<h2 class="screen-reader-text">Beitragsnavigation</h2>';
+	echo '<div class="nav-links">';
+	if ( ! empty( $prev_id ) ) {
+		echo '<div class="nav-previous">';
+		echo '<a href="', get_permalink( $prev_id ), '" title="', get_the_title( $prev_id ), '">← ', get_the_title( $prev_id ), '</a>';
+		echo '</div>';
+	}
+	if ( ! empty( $next_id ) ) {
+		echo '<div class="nav-next">';
+		echo '<a href="', get_permalink( $next_id ), '" title="', get_the_title( $next_id ), '">', get_the_title( $next_id ), ' →</a>';
+		echo '</div>';
+	}
+	echo '</div>';
+	echo '</nav>';
+}
+endif;
+
+if ( ! function_exists( 'nc_template_content_navigation' ) ) :
+/**
+ * Adds anchor tag button to TinyMCE editor on the WordPress backend.
+ *
+ * @param string $text The page content to be parsed.
+ */
+function nc_template_content_navigation( $text ) {
+
+	$dom = new DOMDocument();
+	$dom -> loadHTML( $text );
+	$nodes = $dom->getElementsByTagName( 'a' );
+	$items = array();
+	foreach ( $nodes as $node ) {
+		if ( $node -> hasAttribute( 'id' ) == true ) {
+	    	$items[] = $node -> getAttribute( 'id' );
+	    }
+	}
+	if ( count( $items ) != 0 ) {
+		echo '<nav class="navigation content-navigation">';
+		echo '<h6 class="nav-header">Inhalt</h6>';
+		echo '<div class="nav-links">';
+		foreach ( $items as $item ) {
+			echo '<a href="#', $item, '" title="', $item, '" data-scroll>', $item, ' ↓</a>';
+		}
+		echo '</nav>';
+	}
+}
+endif;
+
 if ( ! function_exists( 'nc_template_posted_on' ) ) :
 /**
  * Prints HTML with meta information for the current post-date/time and author.

page.php

@@ -22,6 +22,8 @@
 
 				get_template_part( 'components/content', 'page' );
 
+				get_prev_next();
+
 				// If comments are open or we have at least one comment, load up the comment template.
 				if ( comments_open() || get_comments_number() ) :
 					comments_template();

single.php

@@ -17,7 +17,11 @@
 
 			get_template_part( 'components/content', get_post_format() );
 
-			the_post_navigation();
+			the_post_navigation( array(
+				'in_same_term' => true,
+				'prev_text' => '← %title',
+				'next_text' => '%title →',
+				));
 
 			// If comments are open or we have at least one comment, load up the comment template.
 			if ( comments_open() || get_comments_number() ) :