mirror of
https://github.com/janunger/rheinwerk-video-training.git
synced 2024-12-22 20:53:42 +01:00
91 lines
2.3 KiB
PHP
Executable File
91 lines
2.3 KiB
PHP
Executable File
<?php
|
|
/**
|
|
* Post API: Walker_PageDropdown class
|
|
*
|
|
* @package WordPress
|
|
* @subpackage Post
|
|
* @since 4.4.0
|
|
*/
|
|
|
|
/**
|
|
* Core class used to create an HTML drop-down list of pages.
|
|
*
|
|
* @since 2.1.0
|
|
*
|
|
* @see Walker
|
|
*/
|
|
class Walker_PageDropdown extends Walker {
|
|
|
|
/**
|
|
* What the class handles.
|
|
*
|
|
* @since 2.1.0
|
|
* @access public
|
|
* @var string
|
|
*
|
|
* @see Walker::$tree_type
|
|
*/
|
|
public $tree_type = 'page';
|
|
|
|
/**
|
|
* Database fields to use.
|
|
*
|
|
* @since 2.1.0
|
|
* @access public
|
|
* @var array
|
|
*
|
|
* @see Walker::$db_fields
|
|
* @todo Decouple this
|
|
*/
|
|
public $db_fields = array( 'parent' => 'post_parent', 'id' => 'ID' );
|
|
|
|
/**
|
|
* Starts the element output.
|
|
*
|
|
* @since 2.1.0
|
|
* @access public
|
|
*
|
|
* @see Walker::start_el()
|
|
*
|
|
* @param string $output Used to append additional content. Passed by reference.
|
|
* @param WP_Post $page Page data object.
|
|
* @param int $depth Optional. Depth of page in reference to parent pages. Used for padding.
|
|
* Default 0.
|
|
* @param array $args Optional. Uses 'selected' argument for selected page to set selected HTML
|
|
* attribute for option element. Uses 'value_field' argument to fill "value"
|
|
* attribute. See wp_dropdown_pages(). Default empty array.
|
|
* @param int $id Optional. ID of the current page. Default 0 (unused).
|
|
*/
|
|
public function start_el( &$output, $page, $depth = 0, $args = array(), $id = 0 ) {
|
|
$pad = str_repeat(' ', $depth * 3);
|
|
|
|
if ( ! isset( $args['value_field'] ) || ! isset( $page->{$args['value_field']} ) ) {
|
|
$args['value_field'] = 'ID';
|
|
}
|
|
|
|
$output .= "\t<option class=\"level-$depth\" value=\"" . esc_attr( $page->{$args['value_field']} ) . "\"";
|
|
if ( $page->ID == $args['selected'] )
|
|
$output .= ' selected="selected"';
|
|
$output .= '>';
|
|
|
|
$title = $page->post_title;
|
|
if ( '' === $title ) {
|
|
/* translators: %d: ID of a post */
|
|
$title = sprintf( __( '#%d (no title)' ), $page->ID );
|
|
}
|
|
|
|
/**
|
|
* Filter the page title when creating an HTML drop-down list of pages.
|
|
*
|
|
* @since 3.1.0
|
|
*
|
|
* @param string $title Page title.
|
|
* @param object $page Page data object.
|
|
*/
|
|
$title = apply_filters( 'list_pages', $title, $page );
|
|
|
|
$output .= $pad . esc_html( $title );
|
|
$output .= "</option>\n";
|
|
}
|
|
}
|