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Edit File: class-wp-customize-panel.php
<?php /** * WordPress Customize Panel classes * * @package WordPress * @subpackage Customize * @since 4.0.0 */ /** * Customize Panel class. * * A UI container for sections, managed by the WP_Customize_Manager. * * @since 4.0.0 * * @see WP_Customize_Manager */ #[AllowDynamicProperties] class WP_Customize_Panel { /** * Incremented with each new class instantiation, then stored in $instance_number. * * Used when sorting two instances whose priorities are equal. * * @since 4.1.0 * @var int */ protected static $instance_count = 0; /** * Order in which this instance was created in relation to other instances. * * @since 4.1.0 * @var int */ public $instance_number; /** * WP_Customize_Manager instance. * * @since 4.0.0 * @var WP_Customize_Manager */ public $manager; /** * Unique identifier. * * @since 4.0.0 * @var string */ public $id; /** * Priority of the panel, defining the display order of panels and sections. * * @since 4.0.0 * @var int */ public $priority = 160; /** * Capability required for the panel. * * @since 4.0.0 * @var string */ public $capability = 'edit_theme_options'; /** * Theme features required to support the panel. * * @since 4.0.0 * @var mixed[] */ public $theme_supports = ''; /** * Title of the panel to show in UI. * * @since 4.0.0 * @var string */ public $title = ''; /** * Description to show in the UI. * * @since 4.0.0 * @var string */ public $description = ''; /** * Auto-expand a section in a panel when the panel is expanded when the panel only has the one section. * * @since 4.7.4 * @var bool */ public $auto_expand_sole_section = false; /** * Customizer sections for this panel. * * @since 4.0.0 * @var array */ public $sections; /** * Type of this panel. * * @since 4.1.0 * @var string */ public $type = 'default'; /** * Active callback. * * @since 4.1.0 * * @see WP_Customize_Section::active() * * @var callable Callback is called with one argument, the instance of * WP_Customize_Section, and returns bool to indicate whether * the section is active (such as it relates to the URL currently * being previewed). */ public $active_callback = ''; /** * Constructor. * * Any supplied $args override class property defaults. * * @since 4.0.0 * * @param WP_Customize_Manager $manager Customizer bootstrap instance. * @param string $id A specific ID for the panel. * @param array $args { * Optional. Array of properties for the new Panel object. Default empty array. * * @type int $priority Priority of the panel, defining the display order * of panels and sections. Default 160. * @type string $capability Capability required for the panel. * Default `edit_theme_options`. * @type mixed[] $theme_supports Theme features required to support the panel. * @type string $title Title of the panel to show in UI. * @type string $description Description to show in the UI. * @type string $type Type of the panel. * @type callable $active_callback Active callback. * } */ 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; if ( empty( $this->active_callback ) ) { $this->active_callback = array( $this, 'active_callback' ); } self::$instance_count += 1; $this->instance_number = self::$instance_count; $this->sections = array(); // Users cannot customize the $sections array. } /** * Check whether panel is active to current Customizer preview. * * @since 4.1.0 * * @return bool Whether the panel is active to the current preview. */ final public function active() { $panel = $this; $active = call_user_func( $this->active_callback, $this ); /** * Filters response of WP_Customize_Panel::active(). * * @since 4.1.0 * * @param bool $active Whether the Customizer panel is active. * @param WP_Customize_Panel $panel WP_Customize_Panel instance. */ $active = apply_filters( 'customize_panel_active', $active, $panel ); return $active; } /** * Default callback used when invoking WP_Customize_Panel::active(). * * Subclasses can override this with their specific logic, or they may * provide an 'active_callback' argument to the constructor. * * @since 4.1.0 * * @return bool Always true. */ public function active_callback() { return true; } /** * Gather the parameters passed to client JavaScript via JSON. * * @since 4.1.0 * * @return array The array to be exported to the client as JSON. */ public function json() { $array = wp_array_slice_assoc( (array) $this, array( 'id', 'description', 'priority', 'type' ) ); $array['title'] = html_entity_decode( $this->title, ENT_QUOTES, get_bloginfo( 'charset' ) ); $array['content'] = $this->get_content(); $array['active'] = $this->active(); $array['instanceNumber'] = $this->instance_number; $array['autoExpandSoleSection'] = $this->auto_expand_sole_section; return $array; } /** * Checks required user capabilities and whether the theme has the * feature support required by the panel. * * @since 4.0.0 * @since 5.9.0 Method was marked non-final. * * @return bool False if theme doesn't support the panel or the user doesn't have the capability. */ public function check_capabilities() { if ( $this->capability && ! current_user_can( $this->capability ) ) { return false; } if ( $this->theme_supports && ! current_theme_supports( ...(array) $this->theme_supports ) ) { return false; } return true; } /** * Get the panel's content template for insertion into the Customizer pane. * * @since 4.1.0 * * @return string Content for the panel. */ final public function get_content() { ob_start(); $this->maybe_render(); return trim( ob_get_clean() ); } /** * Check capabilities and render the panel. * * @since 4.0.0 */ final public function maybe_render() { if ( ! $this->check_capabilities() ) { return; } /** * Fires before rendering a Customizer panel. * * @since 4.0.0 * * @param WP_Customize_Panel $panel 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 container, and then its contents (via `this->render_content()`) in a subclass. * * Panel containers are now rendered in JS by default, see WP_Customize_Panel::print_template(). * * @since 4.0.0 */ protected function render() {} /** * Render the panel UI in a subclass. * * Panel contents are now rendered in JS by default, see WP_Customize_Panel::print_template(). * * @since 4.1.0 */ protected function render_content() {} /** * Render the panel's JS templates. * * This function is only run for panel types that have been registered with * WP_Customize_Manager::register_panel_type(). * * @since 4.3.0 * * @see WP_Customize_Manager::register_panel_type() */ public function print_template() { ?> <script type="text/html" id="tmpl-customize-panel-<?php echo esc_attr( $this->type ); ?>-content"> <?php $this->content_template(); ?> </script> <script type="text/html" id="tmpl-customize-panel-<?php echo esc_attr( $this->type ); ?>"> <?php $this->render_template(); ?> </script> <?php } /** * An Underscore (JS) template for rendering this panel's container. * * Class variables for this panel class are available in the `data` JS object; * export custom variables by overriding WP_Customize_Panel::json(). * * @see WP_Customize_Panel::print_template() * * @since 4.3.0 */ protected function render_template() { ?> <li id="accordion-panel-{{ data.id }}" class="accordion-section control-section control-panel control-panel-{{ data.type }}"> <h3 class="accordion-section-title" tabindex="0"> {{ data.title }} <span class="screen-reader-text"> <?php /* translators: Hidden accessibility text. */ _e( 'Press return or enter to open this panel' ); ?> </span> </h3> <ul class="accordion-sub-container control-panel-content"></ul> </li> <?php } /** * 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(). * * @see WP_Customize_Panel::print_template() * * @since 4.3.0 */ protected function content_template() { ?> <li class="panel-meta customize-info accordion-section <# if ( ! data.description ) { #> cannot-expand<# } #>"> <button class="customize-panel-back" tabindex="-1"><span class="screen-reader-text"> <?php /* translators: Hidden accessibility text. */ _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> <# if ( data.description ) { #> <button type="button" class="customize-help-toggle dashicons dashicons-editor-help" aria-expanded="false"><span class="screen-reader-text"> <?php /* translators: Hidden accessibility text. */ _e( 'Help' ); ?> </span></button> <# } #> </div> <# if ( data.description ) { #> <div class="description customize-panel-description"> {{{ data.description }}} </div> <# } #> <div class="customize-control-notifications-container"></div> </li> <?php } } /** WP_Customize_Nav_Menus_Panel class */ require_once ABSPATH . WPINC . '/customize/class-wp-customize-nav-menus-panel.php';