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cornerstone/inc/nav-walker.php
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| <?php | |
| /*Nav Menu Walker*/ | |
| if(!class_exists('Bootstrap_Nav_Walker')) { | |
| class Bootstrap_Nav_Walker extends Walker_Nav_Menu { | |
| /*This was taken from 320press WP-Bootstrap theme. No licensing restriction given, and it said it was free. */ | |
| /* Skip private pages | |
| */ | |
| function skip( $item ) { | |
| $parent = is_parent_private($item->object_id); | |
| if($parent !== false) $page = $parent; | |
| else $page = $item->object_id; | |
| $private = get_post_meta($page, 'uc-private', true); | |
| if($private == 'admins' || $private == 'users' || $private == 'list'){ | |
| return true; | |
| } | |
| else{ | |
| return false; | |
| } | |
| } | |
| /* Start of the <ul> | |
| * | |
| * Note on $depth: Counterintuitively, $depth here means the "depth right before we start this menu". | |
| * So basically add one to what you'd expect it to be | |
| */ | |
| function start_lvl(&$output, $depth = 0, $args = array()) | |
| { | |
| if(isset($args->with_search) && $args->with_search == true){ | |
| add_filter('wp_nav_menu_items', 'search_menu_item', 1, 2); | |
| } | |
| $tabs = str_repeat("\t", $depth); | |
| // If we are about to start the first submenu, we need to give it a dropdown-menu class | |
| if ($depth >= 0) { //really, level-1 or level-2, because $depth is misleading here (see note above) | |
| $output .= "\n{$tabs}<ul class=\"dropdown-menu\">\n"; | |
| } else { | |
| $output .= "\n{$tabs}<ul>\n"; | |
| } | |
| return; | |
| } | |
| /* End of the <ul> | |
| * | |
| * Note on $depth: Counterintuitively, $depth here means the "depth right before we start this menu". | |
| * So basically add one to what you'd expect it to be | |
| */ | |
| function end_lvl(&$output, $depth = 0, $args = array()) | |
| { | |
| if ($depth == 0) { // This is actually the end of the level-1 submenu ($depth is misleading here too!) | |
| // we don't have anything special for Bootstrap, so we'll just leave an HTML comment for now | |
| $output .= '<!--.dropdown-->'; | |
| } | |
| $tabs = str_repeat("\t", $depth); | |
| $output .= "\n{$tabs}</ul>\n"; | |
| return; | |
| } | |
| /* Output the <li> and the containing <a> | |
| * Note: $depth is "correct" at this level | |
| */ | |
| function start_el(&$output, $item, $depth = 0, $args = array(), $id = 0) | |
| { | |
| global $wp_query; | |
| if ( $this->skip( $item ) ) return; | |
| $indent = ( $depth ) ? str_repeat( "\t", $depth ) : ''; | |
| $class_names = $value = ''; | |
| $classes = empty( $item->classes ) ? array() : (array) $item->classes; | |
| /* If this item has a dropdown menu, add the 'dropdown' class for Bootstrap */ | |
| if($item->post_type == 'page') { //page has no classes.. | |
| $classes[] = 'menu-item'; | |
| } | |
| if ($item->hasChildren) { | |
| $classes[] = 'dropdown'; | |
| // level-1 menus also need the 'dropdown-submenu' class | |
| if($depth > 0 ) { | |
| $classes[] = 'dropdown-submenu'; | |
| } | |
| } | |
| /* This is the stock Wordpress code that builds the <li> with all of its attributes */ | |
| $class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item ) ); | |
| $class_names = ' class="' . esc_attr( $class_names ) . '"'; | |
| $output .= $indent . '<li id="menu-item-'. $item->ID . '"' . $value . $class_names .'>'; | |
| $attributes = ! empty( $item->attr_title ) ? ' title="' . esc_attr( $item->attr_title ) .'"' : ''; | |
| $attributes .= ! empty( $item->target ) ? ' target="' . esc_attr( $item->target ) .'"' : ''; | |
| $attributes .= ! empty( $item->xfn ) ? ' rel="' . esc_attr( $item->xfn ) .'"' : ''; | |
| if($item->post_type == 'page') { | |
| $attributes .= ! empty( $item->guid ) ? ' href="' . esc_attr( $item->guid ) .'"' : ''; | |
| } else { | |
| $attributes .= ! empty( $item->url ) ? ' href="' . esc_attr( $item->url ) .'"' : ''; | |
| } | |
| $item_output = ""; | |
| if($item->post_type == 'page') { | |
| if ($item->hasChildren && $depth == 0) { | |
| $item_output .= '<a'. $attributes .' class="dropdown-toggle" data-toggle="dropdown">'; | |
| } else { | |
| $item_output .= '<a'. $attributes .'>'; | |
| } | |
| $item_output .= apply_filters('the_title', $item->post_title, $item->ID); | |
| if ($item->hasChildren && $depth == 0) { | |
| $item_output .= '<b class="caret"></b></a>'; | |
| } else { | |
| $item_output .= '</a>'; | |
| } | |
| } else { | |
| $item_output = $args->before; | |
| /* If this item has a dropdown menu, make clicking on this link toggle it */ | |
| if ($item->hasChildren && $depth == 0) { | |
| $item_output .= '<a'. $attributes .' class="dropdown-toggle" data-toggle="dropdown">'; | |
| } else { | |
| $item_output .= '<a'. $attributes .'>'; | |
| } | |
| //var_dump($item); | |
| $item_output .= $args->link_before . apply_filters( 'the_title', $item->title, $item->ID ) . $args->link_after; | |
| /* Output the actual caret for the user to click on to toggle the menu */ | |
| if ($item->hasChildren && $depth == 0) { | |
| $item_output .= '<b class="caret"></b></a>'; | |
| } else { | |
| $item_output .= '</a>'; | |
| } | |
| $item_output .= $args->after; | |
| } | |
| $output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args ); | |
| return; | |
| } | |
| /* Close the <li> | |
| * Note: the <a> is already closed | |
| * Note 2: $depth is "correct" at this level | |
| */ | |
| function end_el (&$output, $item, $depth = 0, $args = array()) | |
| { | |
| if ( $this->skip( $item ) ) return; | |
| $output .= '</li>'; | |
| return; | |
| } | |
| /* Add a 'hasChildren' property to the item | |
| * Code from: http://wordpress.org/support/topic/how-do-i-know-if-a-menu-item-has-children-or-is-a-leaf#post-3139633 | |
| */ | |
| function display_element ($element, &$children_elements, $max_depth, $depth = 0, $args, &$output) | |
| { | |
| /* if($element->post_type == 'page' && !isset($children_elements[$element->ID])) { | |
| $children = get_children(array('post_parent' => $element->ID, 'numberposts' => -1, 'post_type' => 'page')); | |
| $children_elements[$element->ID] = $children; | |
| }*/ | |
| // check whether this item has children, and set $item->hasChildren accordingly | |
| $element->hasChildren = isset($children_elements[$element->ID]) && !empty($children_elements[$element->ID]); | |
| //var_dump($children_elements); | |
| // var_dump($element); | |
| /*if($element->hasChildren) { | |
| $element2 = $children_elements[$element->ID]; | |
| $child2 = $children_elements[$element2->ID]; | |
| $element2->hasChildren = isset($child2[$element2->ID]) && !empty($child2[$element2->ID]); | |
| }*/ | |
| // continue with normal behavior | |
| return parent::display_element($element, $children_elements, $max_depth, $depth, $args, $output); | |
| } | |
| } | |
| } | |
| /*Nav Menu Walker*/ | |
| if(!class_exists('Secondary_Bootstrap_Nav_Walker')) { | |
| class Secondary_Bootstrap_Nav_Walker extends Walker_Nav_Menu { | |
| /*This was taken from 320press WP-Bootstrap theme. No licensing restriction given, and it said it was free. */ | |
| /* Start of the <ul> | |
| * | |
| * Note on $depth: Counterintuitively, $depth here means the "depth right before we start this menu". | |
| * So basically add one to what you'd expect it to be | |
| */ | |
| function start_lvl(&$output, $depth = 0, $args = array()) | |
| { | |
| if(isset($args->with_search) && $args->with_search == true){ | |
| add_filter('wp_nav_menu_items', 'search_menu_item', 1, 2); | |
| } | |
| $tabs = str_repeat("\t", $depth); | |
| // If we are about to start the first submenu, we need to give it a dropdown-menu class | |
| if ($depth >= 0) { //really, level-1 or level-2, because $depth is misleading here (see note above) | |
| $output .= "\n{$tabs}<ul class=\"nav nav-pills nav-stacked sub-menu\" role=\"menu\">\n"; | |
| } else { | |
| $output .= "\n{$tabs}<ul>\n"; | |
| } | |
| return; | |
| } | |
| /* End of the <ul> | |
| * | |
| * Note on $depth: Counterintuitively, $depth here means the "depth right before we start this menu". | |
| * So basically add one to what you'd expect it to be | |
| */ | |
| function end_lvl(&$output, $depth = 0, $args = array()) | |
| { | |
| $tabs = str_repeat("\t", $depth); | |
| $output .= "\n{$tabs}</ul>\n"; | |
| return; | |
| } | |
| /* Output the <li> and the containing <a> | |
| * Note: $depth is "correct" at this level | |
| */ | |
| function start_el(&$output, $item, $depth = 0, $args = array(), $id = 0) | |
| { | |
| global $wp_query; | |
| $indent = ( $depth ) ? str_repeat( "\t", $depth ) : ''; | |
| $class_names = $value = ''; | |
| $classes = empty( $item->classes ) ? array() : (array) $item->classes; | |
| /* If this item has a dropdown menu, add the 'dropdown' class for Bootstrap */ | |
| if($item->post_type == 'page') { //page has no classes.. | |
| $classes[] = 'menu-item'; | |
| } | |
| if ($item->hasChildren) { | |
| $classes[] = 'dropdown'; | |
| // level-1 menus also need the 'dropdown-submenu' class | |
| if($depth > 0 ) { | |
| $classes[] = 'dropdown-submenu'; | |
| } | |
| } | |
| /* This is the stock Wordpress code that builds the <li> with all of its attributes */ | |
| $class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item ) ); | |
| $class_names = ' class="' . esc_attr( $class_names ) . '"'; | |
| $output .= $indent . '<li id="menu-item-'. $item->ID . '"' . $value . $class_names .'>'; | |
| $attributes = ! empty( $item->attr_title ) ? ' title="' . esc_attr( $item->attr_title ) .'"' : ''; | |
| $attributes .= ! empty( $item->target ) ? ' target="' . esc_attr( $item->target ) .'"' : ''; | |
| $attributes .= ! empty( $item->xfn ) ? ' rel="' . esc_attr( $item->xfn ) .'"' : ''; | |
| if($item->post_type == 'page') { | |
| $attributes .= ! empty( $item->guid ) ? ' href="' . esc_attr( $item->guid ) .'"' : ''; | |
| } else { | |
| $attributes .= ! empty( $item->url ) ? ' href="' . esc_attr( $item->url ) .'"' : ''; | |
| } | |
| $item_output = ""; | |
| if($item->post_type == 'page') { | |
| if ($item->hasChildren && $depth == 0) { | |
| //$item_output .= '<a'. $attributes .' class="dropdown-toggle" data-toggle="dropdown">'; | |
| $item_output .= '<a'. $attributes .'>'; | |
| } else { | |
| $item_output .= '<a'. $attributes .'>'; | |
| } | |
| $item_output .= apply_filters('the_title', $item->post_title, $item->ID); | |
| $item_output .= '</a>'; | |
| } else { | |
| $item_output = $args->before; | |
| /* If this item has a dropdown menu, make clicking on this link toggle it */ | |
| if ($item->hasChildren && $depth == 0) { | |
| $item_output .= '<a'. $attributes .' >'; | |
| } else { | |
| $item_output .= '<a'. $attributes .'>'; | |
| } | |
| //var_dump($item); | |
| $item_output .= $args->link_before . apply_filters( 'the_title', $item->title, $item->ID ) . $args->link_after; | |
| $item_output .= '</a>'; | |
| $item_output .= $args->after; | |
| } | |
| $output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args ); | |
| return; | |
| } | |
| /* Close the <li> | |
| * Note: the <a> is already closed | |
| * Note 2: $depth is "correct" at this level | |
| */ | |
| function end_el (&$output, $item, $depth = 0, $args = array()) | |
| { | |
| $output .= '</li>'; | |
| return; | |
| } | |
| /* Add a 'hasChildren' property to the item | |
| * Code from: http://wordpress.org/support/topic/how-do-i-know-if-a-menu-item-has-children-or-is-a-leaf#post-3139633 | |
| */ | |
| function display_element ($element, &$children_elements, $max_depth, $depth = 0, $args, &$output) | |
| { | |
| /* if($element->post_type == 'page' && !isset($children_elements[$element->ID])) { | |
| $children = get_children(array('post_parent' => $element->ID, 'numberposts' => -1, 'post_type' => 'page')); | |
| $children_elements[$element->ID] = $children; | |
| }*/ | |
| // check whether this item has children, and set $item->hasChildren accordingly | |
| $element->hasChildren = isset($children_elements[$element->ID]) && !empty($children_elements[$element->ID]); | |
| //var_dump($children_elements); | |
| // var_dump($element); | |
| /*if($element->hasChildren) { | |
| $element2 = $children_elements[$element->ID]; | |
| $child2 = $children_elements[$element2->ID]; | |
| $element2->hasChildren = isset($child2[$element2->ID]) && !empty($child2[$element2->ID]); | |
| }*/ | |
| // continue with normal behavior | |
| return parent::display_element($element, $children_elements, $max_depth, $depth, $args, $output); | |
| } | |
| } | |
| } | |
| // add hook | |
| add_filter( 'wp_nav_menu_objects', 'my_wp_nav_menu_objects_sub_menu', 0, 2 ); | |
| // filter_hook function to react on sub_menu flag | |
| function my_wp_nav_menu_objects_sub_menu( $sorted_menu_items, $args ) { | |
| if ( isset( $args->sub_menu ) ) { | |
| $root_id = 0; | |
| $root_level = 0; | |
| $parent_id = 0; | |
| $second_level_parent = 0; | |
| $newmenu = array(); | |
| $level = 0; | |
| $stack = array('0'); | |
| foreach($sorted_menu_items as $key => $menu_item) { | |
| while(in_array($menu_item->menu_item_parent, $stack) && $menu_item->menu_item_parent != array_pop($stack)) { | |
| $level--; | |
| } | |
| $level++; | |
| $stack[] = $menu_item->menu_item_parent; | |
| $stack[] = $menu_item->ID; | |
| $sorted_menu_items[$key]->level = $level; | |
| if(!isset($newmenu[$level])){ | |
| $newmenu[$level] = array(); | |
| } | |
| $newmenu[$level][$menu_item->ID] = $menu_item->menu_item_parent; | |
| if ( $menu_item->current ) { | |
| // set the root id based on whether the current menu item has a parent or not | |
| $root_id = $menu_item->ID; | |
| $root_level = $level; | |
| $parent_id = $menu_item->menu_item_parent; | |
| } | |
| } | |
| if($root_level == 2){ | |
| $second_level_parent = $root_id; | |
| } | |
| elseif($root_level == 3){ | |
| $second_level_parent = $parent_id; | |
| } | |
| elseif($root_level == 4){ | |
| $second_level_parent = $newmenu[3][$parent_id]; | |
| } | |
| else return array(); | |
| if( isset($newmenu[3]) && is_array($newmenu[3]) ){ | |
| foreach($newmenu[3] as $id=>$menu_item){ | |
| if($menu_item != $second_level_parent) unset($newmenu[3][$id]); | |
| } | |
| } | |
| if( isset($newmenu[4]) && is_array($newmenu[4]) ){ | |
| foreach($newmenu[4] as $id=>$menu_item){ | |
| if(!isset($newmenu[3][$menu_item])) unset($newmenu[4][$id]); | |
| } | |
| } | |
| foreach($sorted_menu_items as $key => $menu_item) { | |
| if(!isset($newmenu[3][$menu_item->ID]) && !isset($newmenu[4][$menu_item->ID])) unset($sorted_menu_items[$key]); | |
| } | |
| return $sorted_menu_items; | |
| } else { | |
| return $sorted_menu_items; | |
| } | |
| } | |
| ?> |