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<?php if (!defined('FW')) die('Forbidden'); class FW_Ext_Mega_Menu_Walker extends Walker_Nav_Menu { /** * Start the element output. * * @see Walker::start_el() * * @since 3.0.0 * * @param string $output Passed by reference. Used to append additional content. * @param object $item Menu item data object. * @param int $depth Depth of menu item. Used for padding. * @param array $args An array of arguments. @see wp_nav_menu() * @param int $id Current item ID. */ public function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) { $indent = ( $depth ) ? str_repeat( "\t", $depth ) : ''; $classes = empty( $item->classes ) ? array() : (array) $item->classes; $classes[] = 'menu-item-' . $item->ID; /** * Filter the CSS class(es) applied to a menu item's list item element. * * @since 3.0.0 * @since 4.1.0 The `$depth` parameter was added. * * @param array $classes The CSS classes that are applied to the menu item's `<li>` element. * @param object $item The current menu item. * @param array $args An array of {@see wp_nav_menu()} arguments. * @param int $depth Depth of menu item. Used for padding. */ $class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item, $args, $depth ) ); $class_names = $class_names ? ' class="' . esc_attr( $class_names ) . '"' : ''; /** * Filter the ID applied to a menu item's list item element. * * @since 3.0.1 * @since 4.1.0 The `$depth` parameter was added. * * @param string $menu_id The ID that is applied to the menu item's `<li>` element. * @param object $item The current menu item. * @param array $args An array of {@see wp_nav_menu()} arguments. * @param int $depth Depth of menu item. Used for padding. */ $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 : ''; $atts['rel'] = ! empty( $item->xfn ) ? $item->xfn : ''; $atts['href'] = ! empty( $item->url ) ? $item->url : ''; /** * Filter the HTML attributes applied to a menu item's anchor element. * * @since 3.6.0 * @since 4.1.0 The `$depth` parameter was added. * * @param array $atts { * The HTML attributes applied to the menu item's `<a>` element, empty strings are ignored. * * @type string $title Title attribute. * @type string $target Target attribute. * @type string $rel The rel attribute. * @type string $href The href attribute. * } * @param object $item The current menu item. * @param array $args An array of {@see wp_nav_menu()} arguments. * @param int $depth Depth of menu item. Used for padding. */ $atts = apply_filters( 'nav_menu_link_attributes', $atts, $item, $args, $depth ); $attributes = ''; foreach ( $atts as $attr => $value ) { if ( ! empty( $value ) ) { $value = ( 'href' === $attr ) ? esc_url( $value ) : esc_attr( $value ); $attributes .= ' ' . $attr . '="' . $value . '"'; } } # BEGIN - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - // $item_output = $args->before; // $item_output .= '<a'. $attributes .'>'; // /** This filter is documented in wp-includes/post-template.php */ // $item_output .= $args->link_before . apply_filters( 'the_title', $item->title, $item->ID ) . $args->link_after; // $item_output .= '</a>'; // $item_output .= $args->after; $title = apply_filters('the_title', $item->title, $item->ID); $attributes = array_filter($atts); $item_output = fw_ext('megamenu')->render_str('item-link', compact('item', 'attributes', 'title', 'args', 'depth')); # END - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - /** * Filter a menu item's starting output. * * The menu item's starting output only includes $args->before, the opening <a>, * the menu item's title, the closing </a>, and $args->after. Currently, there is * no filter for modifying the opening and closing <li> for a menu item. * * @since 3.0.0 * * @see wp_nav_menu() * * @param string $item_output The menu item's starting HTML output. * @param object $item Menu item data object. * @param int $depth Depth of menu item. Used for padding. * @param array $args An array of wp_nav_menu() arguments. */ $output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args ); } /** * @see Walker::display_element */ function display_element( $element, &$children_elements, $max_depth, $depth, $args, &$output ) { if ( !$element ) return; $id_field = $this->db_fields['id']; $id = $element->$id_field; //display this element $this->has_children = ! empty( $children_elements[ $id ] ); if ( isset( $args[0] ) && is_array( $args[0] ) ) { $args[0]['has_children'] = $this->has_children; // Backwards compatibility. } $cb_args = array_merge( array(&$output, $element, $depth), $args); call_user_func_array(array($this, 'start_el'), $cb_args); // descend only when the depth is right and there are childrens for this element if ( ($max_depth == 0 || $max_depth > $depth+1 ) && isset( $children_elements[$id]) ) { foreach( $children_elements[ $id ] as $child ){ # BEGIN - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - if ($depth == 0 && fw_ext_mega_menu_get_meta($id, 'enabled') && fw_ext_mega_menu_get_meta($child, 'new-row')) { if (isset($newlevel) && $newlevel) { $cb_args = array_merge( array(&$output, $depth), $args); call_user_func_array(array($this, 'end_lvl'), $cb_args); unset($newlevel); } } # END - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - if ( !isset($newlevel) ) { $newlevel = true; # BEGIN - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - if (!isset($mega_menu_container) && $depth == 0 && fw_ext_mega_menu_get_meta($id, 'enabled')) { $mega_menu_container = apply_filters('fw_ext_mega_menu_container', array( 'tag' => 'div', 'attr' => array( 'class' => 'mega-menu' ) ), array( 'element' => $element, 'children_elements' => $children_elements, 'max_depth' => $max_depth, 'depth' => $depth, 'args' => $args, )); $output .= '<'. $mega_menu_container['tag'] .' '. fw_attr_to_html($mega_menu_container['attr']) .'>'; } $classes = array('sub-menu' => true); if (isset($mega_menu_container)) { if ($this->row_contains_icons($element, $child, $children_elements)) { $classes['sub-menu-has-icons'] = true; } $classes['mega-menu-row'] = true;; } else { if ($this->sub_menu_contains_icons($element, $children_elements)) { $classes['sub-menu-has-icons'] = true; } } $classes = apply_filters('fw_ext_mega_menu_start_lvl_classes', $classes, array( 'element' => $element, 'children_elements' => $children_elements, 'max_depth' => $max_depth, 'depth' => $depth, 'args' => $args, 'mega_menu_container' => isset($mega_menu_container) ? $mega_menu_container : false )); $classes = array_filter($classes); # END - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - //start the child delimiter # BEGIN - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - //$cb_args = array_merge( array(&$output, $depth), $args); $cb_args = array_merge( array(&$output, $depth), $args, array( implode(' ', array_keys($classes)) )); # END - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - call_user_func_array(array($this, 'start_lvl'), $cb_args); } $this->display_element( $child, $children_elements, $max_depth, $depth + 1, $args, $output ); } unset( $children_elements[ $id ] ); } if ( isset($newlevel) && $newlevel ){ //end the child delimiter $cb_args = array_merge( array(&$output, $depth), $args); call_user_func_array(array($this, 'end_lvl'), $cb_args); } # BEGIN - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - if (isset($mega_menu_container)) { $output .= '</'. $mega_menu_container['tag'] .'>'; } # END - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - //end this element $cb_args = array_merge( array(&$output, $element, $depth), $args); call_user_func_array(array($this, 'end_el'), $cb_args); } function start_lvl( &$output, $depth = 0, $args = array(), $class = 'sub-menu' ) { $indent = str_repeat("\t", $depth); $output .= "\n$indent<ul class=\"$class\">\n"; } protected function sub_menu_contains_icons($element, $children_elements) { $id_field = $this->db_fields['id']; $id = $element->$id_field; foreach ($children_elements[$id] as $child) { if (fw_ext_mega_menu_get_meta($child, 'icon')) { return true; } } return false; } protected function row_contains_icons($row, $first_column, $children_elements) { $id_field = $this->db_fields['id']; $row_id = $row->$id_field; reset($children_elements[$row_id]); // navigate to $first_column while ($child = next($children_elements[$row_id])) { if ($child->$id_field == $first_column->$id_field) { break; } } // scan row while (true) { if (fw_ext_mega_menu_get_meta($child, 'icon')) { return true; } $child = next($children_elements[$row_id]); if ($child === false || fw_ext_mega_menu_get_meta($child, 'new-row')) { break; } } return false; } } /** * @deprecated */ class FW_Theme_Menu_Walker extends FW_Ext_Mega_Menu_Walker { /** * @deprecated */ private function sub_menu_has_icons($element, $children_elements) { return $this->sub_menu_contains_icons($element, $children_elements); } /** * @deprecated */ private function row_has_icons($row, $first_column, $children_elements) { return $this->row_contains_icons($row, $first_column, $children_elements); } }
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