Updated fallback function to process menu args

Author: SideQuestDIY

README.md

@@ -35,14 +35,15 @@ Update your `wp_nav_menu()` function in `header.php` to use the new walker by ad
 ```php
 <?php
 	wp_nav_menu( array(
-		'menu'       => 'primary',
-		'theme_location' => 'primary',
-		'depth'      => 2,
-		'container'  => false,
-		'menu_class' => 'nav navbar-nav',
-		'fallback_cb' => 'wp_bootstrap_navwalker::fallback',
-		'walker' => new wp_bootstrap_navwalker())
-	);		  
+		'menu'				=> 'primary',
+		'theme_location'	=> 'primary',
+		'depth'				=> 2,
+		'container'			=> 'div',
+		'container_class'	=> 'collapse navbar-collapse navbar-ex1-collapse',
+		'menu_class'		=> 'nav navbar-nav',
+		'fallback_cb'		=> 'wp_bootstrap_navwalker::fallback',
+		'walker'			=> new wp_bootstrap_navwalker())
+	);
 ?>
 ```
 
@@ -75,20 +76,18 @@ Typically the menu is wrapped with additional markup, here is an example of a `
 			</a>
 		</div>
 
-		<!-- Collect the nav links, forms, and other content for toggling -->
-		<div class="collapse navbar-collapse navbar-ex1-collapse">
-			<?php
-				wp_nav_menu( array(
-					'menu'       => 'primary',
-					'theme_location' => 'primary',
-					'depth'      => 2,
-					'container'  => false,
-					'menu_class' => 'nav navbar-nav',
-					'fallback_cb' => 'wp_bootstrap_navwalker::fallback',
-					'walker' => new wp_bootstrap_navwalker())
-				);
-			?>
-		</div>
+		<?php
+			wp_nav_menu( array(
+				'menu'				=> 'primary',
+				'theme_location'	=> 'primary',
+				'depth'				=> 2,
+				'container'			=> 'div',
+				'container_class'	=> 'collapse navbar-collapse navbar-ex1-collapse',
+				'menu_class'		=> 'nav navbar-nav',
+				'fallback_cb'		=> 'wp_bootstrap_navwalker::fallback',
+				'walker'			=> new wp_bootstrap_navwalker())
+			);
+		?>
 	</div>
 </nav>
 ```
@@ -135,6 +134,9 @@ To set a disabled link simoly set the **Title Attribute** to `disabled` and the
 
 Changelog
 ------------
+**2.0.4**
++ Updated fallback function to accept args array from wp_nav_menu
+
 **2.0.3**
 + Included a fallback function that adds a link to the WordPress menu manager if no menu has been assigned to the theme location.
 

wp_bootstrap_navwalker.php

@@ -3,15 +3,15 @@
 /**
  * Class Name: wp_bootstrap_navwalker
  * GitHub URI: https://github.com/twittem/wp-bootstrap-navwalker
- * Description: A custom WordPress nav walker class to implement the Twitter Bootstrap 2.3.2 navigation style in a custom theme using the WordPress built in menu manager.
- * Version: 2.0.3
+ * Description: A custom WordPress nav walker class to implement the Bootstrap 3 navigation style in a custom theme using the WordPress built in menu manager.
+ * Version: 2.0.4
  * Author: Edward McIntyre - @twittem
  * License: GPL-2.0+
  * License URI: http://www.gnu.org/licenses/gpl-2.0.txt
  */
 
 class wp_bootstrap_navwalker extends Walker_Nav_Menu {
-	
+
 	/**
 	 * @see Walker::start_lvl()
 	 * @since 3.0.0
@@ -40,11 +40,7 @@ function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) {
 
 		/**
 		 * Dividers, Headers or Disabled
-<<<<<<< HEAD
-	         * =============================
-=======
 		 * =============================
->>>>>>> Added a fallback function when no menu assigned
 		 * Determine whether the item is a Divider, Header, Disabled or regular
 		 * menu item. To prevent errors we use the strcasecmp() function to so a
 		 * comparison that is not case sensitive. The strcasecmp() function returns
@@ -147,19 +143,19 @@ function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) {
 	 */
 
 	function display_element( $element, &$children_elements, $max_depth, $depth, $args, &$output ) {
-		if ( !$element ) {
-			return;
-		}
+        if ( !$element ) {
+            return;
+        }
 
-		$id_field = $this->db_fields['id'];
+        $id_field = $this->db_fields['id'];
 
-		//display this element
-		if ( is_object( $args[0] ) ) {
-		   $args[0]->has_children = ! empty( $children_elements[$element->$id_field] );
-		}
+        //display this element
+        if ( is_object( $args[0] ) ) {
+           $args[0]->has_children = ! empty( $children_elements[$element->$id_field] );
+        }
 
-		parent::display_element($element, $children_elements, $max_depth, $depth, $args, $output);
-	}
+        parent::display_element($element, $children_elements, $max_depth, $depth, $args, $output);
+    }
 
 	/**
 	 * Menu Fallback
@@ -168,13 +164,50 @@ function display_element( $element, &$children_elements, $max_depth, $depth, $ar
 	 * and a manu has not been assigned to the theme location in the WordPress
 	 * menu manager the function with display nothing to a non-logged in user,
 	 * and will add a link to the WordPress menu manager if logged in as an admin.
+	 *
+	 * @param array $args passed from the wp_nav_menu function
+	 *
 	 */
 
-	function fallback() {
-		if( current_user_can( 'manage_options' ) ) {
-			echo '<li><a href="' . admin_url( 'nav-menus.php' ) . '">Add a menu</a></li>';
+	function fallback( $args ) {
+		if ( current_user_can( 'manage_options' ) ) {
+			$fb_output = null;
+
+			if ( $container ) {
+				$fb_output = '<' . $container;
+
+				if ( $container_id ) {
+					$fb_output .= ' id="' . $container_id . '"';
+				}
+
+				if ( $container_class ) {
+					$fb_output .= ' class="' . $container_class . '"';
+				}
+
+				$fb_output .= '>';
+			}
+			
+			$fb_output .= '<ul';
+
+			if ( $menu_id ) {
+				$fb_output .= ' id="' . $menu_id . '"';
+			}
+
+			if ( $menu_class ) {
+				$fb_output .= ' class="' . $menu_class . '"';
+			}
+
+			$fb_output .= '>';
+			$fb_output .= '<li><a href="' . admin_url( 'nav-menus.php' ) . '">Add a menu</a></li>';
+			$fb_output .= '</ul>';
+
+			if ( $container ) {
+				$fb_output .= '</' . $container . '>';
+			}
+
+			echo $fb_output;
 		}
 	}
 }
 
-?>
+?>