WordPress/wp-includes/customize/class-wp-customize-nav-menus-panel.php

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<?php
/**
* Customize API: WP_Customize_Nav_Menus_Panel class
*
* @package WordPress
* @subpackage Customize
* @since 4.4.0
*/
/**
* Customize Nav Menus Panel Class
*
* Needed to add screen options.
*
* @since 4.3.0
*
* @see WP_Customize_Panel
*/
class WP_Customize_Nav_Menus_Panel extends WP_Customize_Panel {
/**
* Control type.
*
* @since 4.3.0
* @access public
* @var string
*/
public $type = 'nav_menus';
/**
* Render screen options for Menus.
*
* @since 4.3.0
* @access public
*/
public function render_screen_options() {
// Essentially adds the screen options.
add_filter( 'manage_nav-menus_columns', array( $this, 'wp_nav_menu_manage_columns' ) );
// Display screen options.
$screen = WP_Screen::get( 'nav-menus.php' );
$screen->render_screen_options( array( 'wrap' => false ) );
}
/**
* Returns the advanced options for the nav menus page.
*
* Link title attribute added as it's a relatively advanced concept for new users.
*
* @since 4.3.0
* @access public
*
* @return array The advanced menu properties.
*/
public function wp_nav_menu_manage_columns() {
return array(
'_title' => __( 'Show advanced menu properties' ),
'cb' => '<input type="checkbox" />',
'link-target' => __( 'Link Target' ),
'attr-title' => __( 'Title Attribute' ),
'css-classes' => __( 'CSS Classes' ),
'xfn' => __( 'Link Relationship (XFN)' ),
'description' => __( 'Description' ),
);
}
/**
* An Underscore (JS) template for this panel's content (but not its container).
*
* Class variables for this panel class are available in the `data` JS object;
* export custom variables by overriding WP_Customize_Panel::json().
*
* @since 4.3.0
* @access protected
*
* @see WP_Customize_Panel::print_template()
*/
protected function content_template() {
?>
<li class="panel-meta customize-info accordion-section <# if ( ! data.description ) { #> cannot-expand<# } #>">
<button type="button" class="customize-panel-back" tabindex="-1">
<span class="screen-reader-text"><?php _e( 'Back' ); ?></span>
</button>
<div class="accordion-section-title">
<span class="preview-notice">
<?php
/* translators: %s: the site/panel title in the Customizer */
printf( __( 'You are customizing %s' ), '<strong class="panel-title">{{ data.title }}</strong>' );
?>
</span>
<button type="button" class="customize-help-toggle dashicons dashicons-editor-help" aria-expanded="false">
<span class="screen-reader-text"><?php _e( 'Help' ); ?></span>
</button>
<button type="button" class="customize-screen-options-toggle" aria-expanded="false">
<span class="screen-reader-text"><?php _e( 'Menu Options' ); ?></span>
</button>
</div>
<# if ( data.description ) { #>
<div class="description customize-panel-description">{{{ data.description }}}</div>
<# } #>
<div id="screen-options-wrap">
<?php $this->render_screen_options(); ?>
</div>
</li>
<?php
}
}