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<?php

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/**

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* Customize API: WP_Customize_Nav_Menus_Panel class

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* @package WordPress

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* @subpackage Customize

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* @since 4.4.0

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/**

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* Customize Nav Menus Panel Class

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* Needed to add screen options.

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* @since 4.3.0

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* @see WP_Customize_Panel

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class WP_Customize_Nav_Menus_Panel extends WP_Customize_Panel {

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/**

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* Control type.

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* @since 4.3.0

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* @var string

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public $type = 'nav_menus';

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/**

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* Render screen options for Menus.

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* @since 4.3.0

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public function render_screen_options() {

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// Adds the screen options.

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require_once ABSPATH . 'wp-admin/includes/nav-menu.php';

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add_filter( 'manage_nav-menus_columns', 'wp_nav_menu_manage_columns' );

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// Display screen options.

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$screen = WP_Screen::get( 'nav-menus.php' );

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$screen->render_screen_options( array( 'wrap' => false ) );

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}

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/**

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* Returns the advanced options for the nav menus page.

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* Link title attribute added as it's a relatively advanced concept for new users.

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* @since 4.3.0

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* @deprecated 4.5.0 Deprecated in favor of wp_nav_menu_manage_columns().

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public function wp_nav_menu_manage_columns() {

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_deprecated_function( __METHOD__, '4.5.0', 'wp_nav_menu_manage_columns' );

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require_once ABSPATH . 'wp-admin/includes/nav-menu.php';

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return wp_nav_menu_manage_columns();

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}

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/**

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* An Underscore (JS) template for this panel's content (but not its container).

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* Class variables for this panel class are available in the `data` JS object;

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* export custom variables by overriding WP_Customize_Panel::json().

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* @since 4.3.0

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* @see WP_Customize_Panel::print_template()

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protected function content_template() {

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<li class="panel-meta customize-info accordion-section <# if ( ! data.description ) { #> cannot-expand<# } #>">

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<?php

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/* translators: Hidden accessibility text. */

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_e( 'Back' );

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</span>

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</button>

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<?php

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/* translators: %s: The site/panel title in the Customizer. */

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printf( __( 'You are customizing %s' ), '<strong class="panel-title">{{ data.title }}</strong>' );

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</span>

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<?php

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/* translators: Hidden accessibility text. */

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_e( 'Help' );

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</span>

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</button>

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/* translators: Hidden accessibility text. */

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_e( 'Menu Options' );

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</span>

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</button>

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</div>

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<# if ( data.description ) { #>

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<div class="description customize-panel-description">{{{ data.description }}}</div>

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<# } #>

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<?php $this->render_screen_options(); ?>

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</div>

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</li>

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<?php

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// NOTE: The following is a workaround for an inability to treat (and thus label) a list of sections as a whole.

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<?php

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}

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}

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