Viewing file:  nav_walker.php (8.86 KB) -rw-r--r--
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<?php
//////////////////////////////////////////////////////////////
//===========================================================
// nav_walker.php
//===========================================================
// PAGELAYER
// Inspired by the DESIRE to be the BEST OF ALL
// ----------------------------------------------------------
// Started by: Pulkit Gupta
// Date: 23rd Jan 2017
// Time: 23:00 hrs
// Site: http://pagelayer.com/wordpress (PAGELAYER)
// ----------------------------------------------------------
// Please Read the Terms of use at http://pagelayer.com/tos
// ----------------------------------------------------------
//===========================================================
// (c)Pagelayer Team
//===========================================================
//////////////////////////////////////////////////////////////
// Are we being accessed directly ?
if(!defined('PAGELAYER_VERSION')) {
exit('Hacking Attempt !');
}
if ( ! class_exists( 'Pagelayer_Walker_Nav_Menu' ) ) {
class Pagelayer_Walker_Nav_Menu extends Walker_Nav_Menu{
// Starts the list before the elements are added.
public function start_lvl( &$output, $depth = 0, $args = null ) {
if ( isset( $args->item_spacing ) && 'discard' === $args->item_spacing ) {
$t = '';
$n = '';
} else {
$t = "\t";
$n = "\n";
}
$indent = str_repeat( $t, $depth );
// Default class.
$classes = array( 'sub-menu' );
// Filters the CSS class(es) applied to a menu list element.
$class_names = implode( ' ', apply_filters( 'nav_menu_submenu_css_class', $classes, $args, $depth ) );
$class_names = $class_names ? ' class="' . esc_attr( $class_names ) . '"' : '';
$output .= "{$n}{$indent}<ul$class_names>{$n}";
}
// Ends the list of after the elements are added.
public function end_lvl( &$output, $depth = 0, $args = null ) {
if ( isset( $args->item_spacing ) && 'discard' === $args->item_spacing ) {
$t = '';
$n = '';
} else {
$t = "\t";
$n = "\n";
}
$indent = str_repeat( $t, $depth );
$output .= "$indent</ul>{$n}";
}
// Starts the element output.
public function start_el( &$output, $item, $depth = 0, $args = null, $id = 0 ) {
if ( isset( $args->item_spacing ) && 'discard' === $args->item_spacing ) {
$t = '';
$n = '';
} else {
$t = "\t";
$n = "\n";
}
$indent = ( $depth ) ? str_repeat( $t, $depth ) : '';
// Menu setting keys
$keys = array('_pagelayer_content');
foreach($keys as $key){
$menu_item_setting = get_post_meta( $item->ID, $key, true );
if(!empty($menu_item_setting)){
$item->$key = $menu_item_setting;
}
}
$classes = empty( $item->classes ) ? array() : (array) $item->classes;
$classes[] = 'menu-item-' . $item->ID;
// Get custom setting data
$item_content = $this->get_item_data($item, '_pagelayer_content');
$settings = array();
$pagelayer_has_content = 0;
if(!empty($item_content) && has_blocks($item_content)){
$blocks = parse_blocks($item_content);
$attrs = array();
foreach($blocks as $index => $block){
if($block['blockName'] != 'pagelayer/pl_nav_menu_item'){
continue;
}
// Overrig the menu ID to apply css and others
foreach($item as $kk => $vv){
if($kk == '_pagelayer_content'){
continue;
}
$block['attrs'][$kk] = $vv;
}
$settings = $block['attrs'];
// Add settings to $item
foreach($settings as $skey => $sval){
if(isset($item->$skey)){
continue;
}
$item->$skey = $sval;
}
if(!empty($block['innerBlocks'])){
$pagelayer_has_content = $this->has_block_content($block['innerBlocks']);
}
$blocks[$index] = $block;
}
$item_content = serialize_blocks($blocks);
}
$pagelayer_has_content = pagelayer_is_live() ? 1 : $pagelayer_has_content;
// Get menu type
$menu_type = $this->get_item_data($item, 'menu_type');
if(!empty($menu_type) && $menu_type == 'mega' && $depth == 0 && !empty($pagelayer_has_content)){
$classes[] = 'pagelayer-mega-menu-item';
}
if(!empty($menu_type) && $menu_type == 'column' && $depth == 0){
$classes[] = 'pagelayer-mega-column-item';
}
$menu_icon_class = $this->get_item_data($item, 'icon_position');
if(!empty($menu_icon_class)){
$classes[] = 'pagelayer-nav-menu-icon-'.$menu_icon_class;
}
// Filters the arguments for a single nav menu item.
$args = apply_filters( 'nav_menu_item_args', $args, $item, $depth );
// Filters the CSS classes applied to a menu item's list item element.
$class_names = implode( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item, $args, $depth ) );
$class_names = $class_names ? ' class="' . esc_attr( $class_names ) . '"' : '';
// Filters the ID applied to a menu item's list item element.
$id = apply_filters( 'nav_menu_item_id', 'menu-item-' . $item->ID, $item, $args, $depth );
$id = $id ? ' id="' . esc_attr( $id ) . '"' : '';
$output .= $indent . '<li' . $id . $class_names . '>';
$atts = array();
$atts['title'] = ! empty( $item->attr_title ) ? $item->attr_title : '';
$atts['target'] = ! empty( $item->target ) ? $item->target : '';
if ( '_blank' === $item->target && empty( $item->xfn ) ) {
$atts['rel'] = 'noopener';
} else {
$atts['rel'] = $item->xfn;
}
$atts['href'] = ! empty( $item->url ) ? $item->url : '';
$atts['aria-current'] = $item->current ? 'page' : '';
// Filters the HTML attributes applied to a menu item's anchor element.
$atts = apply_filters( 'nav_menu_link_attributes', $atts, $item, $args, $depth );
$attributes = '';
foreach ( $atts as $attr => $value ) {
if ( is_scalar( $value ) && '' !== $value && false !== $value ) {
$value = ( 'href' === $attr ) ? esc_url( $value ) : esc_attr( $value );
// Get disable links
$disable_link = $this->get_item_data($item, 'disable_link');
if ( 'href' === $attr && !empty($disable_link) ) {
$value = 'javascript:void(0)';
}
$attributes .= ' ' . $attr . '="' . $value . '"';
}
}
/** This filter is documented in wp-includes/post-template.php */
$title = $this->get_item_data($item, 'title');
$title = apply_filters( 'the_title', $title, $item->ID );
// Filters a menu item's title.
$title = apply_filters( 'nav_menu_item_title', $title, $item, $args, $depth );
$item_output = $args->before;
$item_output .= '<a' . $attributes . '>';
// Add menu icon
$menu_icon = $this->get_item_data($item, 'menu_icon');
if (!empty($menu_icon)) {
$item_output .= '<i class="pagelayer-menu-icon '.$menu_icon.'"></i>';
}
$item_output .= '<span class="pagelayer-nav-menu-title">' . $args->link_before . $title . $args->link_after .'</span>';
// Add highlight lable
$highlight_label = $this->get_item_data($item, 'highlight_label');
if (!empty($highlight_label)) {
$item_output .= '<span class="pagelayer-menu-highlight">'.$highlight_label.'</span>';
}
$item_output .= '</a>';
$item_output .= $args->after;
$mega_class = 'pagelayer-mega-editor-'.$item->ID;
$item_output .= '<div class="pagelayer-mega-menu '.$mega_class.'">';
// Add mega menu
if(!empty($item_content)){
$item_content = pagelayer_the_content($item_content, true);
// Change the pagelayer ID
$item_output .= pagelayer_change_id($item_content);
}
$item_output .= '</div>';
// Filters a menu item's starting output.
$output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args );
}
// Ends the element output, if needed.
public function end_el( &$output, $item, $depth = 0, $args = null ) {
if ( isset( $args->item_spacing ) && 'discard' === $args->item_spacing ) {
$t = '';
$n = '';
} else {
$t = "\t";
$n = "\n";
}
$output .= "</li>{$n}";
}
// Get the post value
public function get_item_data( $item, $name ) {
if(pagelayer_is_live() && isset($_REQUEST['pagelayer_nav_items']) && isset($_REQUEST['pagelayer_nav_items'][$item->ID][$name]) ){
$data = $_REQUEST['pagelayer_nav_items'][$item->ID][$name];
// If Title is empty
if(empty($data) && $name == 'title'){
$_item = clone $item;
$_item->post_title = '';
$_item = wp_setup_nav_menu_item($_item);
return $_item->title;
}
if(!empty($data) && $name == '_pagelayer_content'){
$data = base64_decode($data);
}
return stripslashes_deep($data);
}
return @$item->$name;
}
// Check the block has inner block
public function has_block_content( $blocks ) {
$tags = array('pagelayer/pl_row', 'pagelayer/pl_inner_row', 'pagelayer/pl_col', 'pagelayer/pl_inner_col');
$has_content = 0;
foreach($blocks as $block){
if(!in_array( $block['blockName'], $tags) || !empty($has_content)){
$has_content = 1;
break;
}
if(empty($block['innerBlocks']) ){
continue;
}
$has_content = $this->has_block_content($block['innerBlocks']);
}
return $has_content;
}
}
}
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