82 lines
2.3 KiB
PHP
82 lines
2.3 KiB
PHP
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<?php
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/**
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* Custom Walker for Nav Menu Editor
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*
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* We're separating this class from the plugin file because Walker_Nav_Menu_Edit
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* is only loaded on the wp-admin/nav-menus.php page.
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*
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* Based on {@link https://twitter.com/westonruter Weston Ruter}'s {@link https://gist.github.com/3802459 gist}
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*
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* @package Menu_Item_Custom_Fields
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* @version 1.0.0
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* @author Dzikri Aziz <kvcrvt@gmail.com>
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*/
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class Menu_Item_Custom_Fields_Walker extends Walker_Nav_Menu_Edit {
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/**
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* Start the element output.
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*
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* We're injecting our custom fields after the div.submitbox
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*
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* @see Walker_Nav_Menu::start_el()
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* @since 0.1.0
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* @since 0.2.0 Update regex pattern to support WordPress 4.7's markup.
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*
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* @param string $output Passed by reference. Used to append additional content.
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* @param object $item Menu item data object.
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* @param int $depth Depth of menu item. Used for padding.
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* @param array $args Menu item args.
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* @param int $id Nav menu ID.
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*/
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function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) {
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$item_output = '';
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parent::start_el( $item_output, $item, $depth, $args, $id );
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$output .= preg_replace(
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// NOTE: Check this regex from time to time!
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'/(?=<(fieldset|p)[^>]+class="[^"]*field-move)/',
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$this->get_fields( $item, $depth, $args ),
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$item_output
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);
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}
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/**
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* Get custom fields
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*
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* @access protected
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* @since 0.1.0
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* @uses add_action() Calls 'menu_item_custom_fields' hook
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*
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* @param object $item Menu item data object.
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* @param int $depth Depth of menu item. Used for padding.
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* @param array $args Menu item args.
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* @param int $id Nav menu ID.
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*
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* @return string Form fields
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*/
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protected function get_fields( $item, $depth, $args = array(), $id = 0 ) {
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ob_start();
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/**
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* Get menu item custom fields from plugins/themes
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*
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* @since 0.1.0
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* @since 1.0.0 Pass correct parameters.
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*
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* @param int $item_id Menu item ID.
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* @param object $item Menu item data object.
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* @param int $depth Depth of menu item. Used for padding.
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* @param array $args Menu item args.
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* @param int $id Nav menu ID.
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*
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* @return string Custom fields HTML.
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*/
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do_action( 'wp_nav_menu_item_custom_fields', $item->ID, $item, $depth, $args, $id );
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return ob_get_clean();
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}
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}
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