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

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<?php
/**
* Customize Panel Class.
*
* A UI container for sections, managed by the WP_Customize_Manager.
*
* @package WordPress
* @subpackage Customize
* @since 4.0.0
*/
class WP_Customize_Panel {
/**
* WP_Customize_Manager instance.
*
* @since 4.0.0
* @access public
* @var WP_Customize_Manager
*/
public $manager;
/**
* Unique identifier.
*
* @since 4.0.0
* @access public
* @var string
*/
public $id;
/**
* Priority of the panel, defining the display order of panels and sections.
*
* @since 4.0.0
* @access public
* @var integer
*/
public $priority = 160;
/**
* Capability required for the panel.
*
* @since 4.0.0
* @access public
* @var string
*/
public $capability = 'edit_theme_options';
/**
* Theme feature support for the panel.
*
* @since 4.0.0
* @access public
* @var string|array
*/
public $theme_supports = '';
/**
* Title of the panel to show in UI.
*
* @since 4.0.0
* @access public
* @var string
*/
public $title = '';
/**
* Description to show in the UI.
*
* @since 4.0.0
* @access public
* @var string
*/
public $description = '';
/**
* Customizer sections for this panel.
*
* @since 4.0.0
* @access public
* @var array
*/
public $sections;
/**
* Constructor.
*
* Any supplied $args override class property defaults.
*
* @since 4.0.0
*
* @param WP_Customize_Manager $manager Customizer bootstrap instance.
* @param string $id An specific ID for the panel.
* @param array $args Panel arguments.
*/
public function __construct( $manager, $id, $args = array() ) {
$keys = array_keys( get_object_vars( $this ) );
foreach ( $keys as $key ) {
if ( isset( $args[ $key ] ) ) {
$this->$key = $args[ $key ];
}
}
$this->manager = $manager;
$this->id = $id;
$this->sections = array(); // Users cannot customize the $sections array.
return $this;
}
/**
* Checks required user capabilities and whether the theme has the
* feature support required by the panel.
*
* @since 4.0.0
*
* @return bool False if theme doesn't support the panel or the user doesn't have the capability.
*/
public final function check_capabilities() {
if ( $this->capability && ! call_user_func_array( 'current_user_can', (array) $this->capability ) ) {
return false;
}
if ( $this->theme_supports && ! call_user_func_array( 'current_theme_supports', (array) $this->theme_supports ) ) {
return false;
}
return true;
}
/**
* Check capabilities and render the panel.
*
* @since 4.0.0
*/
public final function maybe_render() {
if ( ! $this->check_capabilities() ) {
return;
}
/**
* Fires before rendering a Customizer panel.
*
* @since 4.0.0
*
* @param WP_Customize_Panel $this WP_Customize_Panel instance.
*/
do_action( 'customize_render_panel', $this );
/**
* Fires before rendering a specific Customizer panel.
*
* The dynamic portion of the hook name, $this->id, refers to the ID
* of the specific Customizer panel to be rendered.
*
* @since 4.0.0
*/
do_action( "customize_render_panel_{$this->id}" );
$this->render();
}
/**
* Render the panel, and the sections that have been added to it.
*
* @since 4.0.0
* @access protected
*/
protected function render() {
?>
<li id="accordion-panel-<?php echo esc_attr( $this->id ); ?>" class="control-section control-panel accordion-section">
<h3 class="accordion-section-title" tabindex="0">
<?php echo esc_html( $this->title ); ?>
<span class="screen-reader-text"><?php _e( 'Press return or enter to open this panel' ); ?></span>
</h3>
<span class="control-panel-back" tabindex="-1"><span class="screen-reader-text"><?php _e( 'Back' ); ?></span></span>
<ul class="accordion-sub-container control-panel-content">
<li class="accordion-section control-section<?php if ( empty( $this->description ) ) echo ' cannot-expand'; ?>">
<div class="accordion-section-title" tabindex="0">
<span class="preview-notice"><?php
/* translators: %s is the site/panel title in the Customizer */
echo sprintf( __( 'You are customizing %s' ), '<strong class="panel-title">' . esc_html( $this->title ) . '</strong>' );
?></span>
</div>
<?php if ( ! empty( $this->description ) ) : ?>
<div class="accordion-section-content description">
<?php echo $this->description; ?>
</div>
<?php endif; ?>
</li>
<?php
foreach ( $this->sections as $section ) {
$section->maybe_render();
}
?>
</ul>
</li>
<?php
}
}