/public_html/wp-includes/class-wp-customize-section.php
PHP | 453 lines | 149 code | 42 blank | 262 comment | 13 complexity | 2188dac51510b3f0e3099870507ec17f MD5 | raw file
- <?php
- /**
- * WordPress Customize Section classes
- *
- * @package WordPress
- * @subpackage Customize
- * @since 3.4.0
- */
- /**
- * Customize Section class.
- *
- * A UI container for controls, managed by the WP_Customize_Manager class.
- *
- * @since 3.4.0
- *
- * @see WP_Customize_Manager
- */
- class WP_Customize_Section {
- /**
- * Incremented with each new class instantiation, then stored in $instance_number.
- *
- * Used when sorting two instances whose priorities are equal.
- *
- * @since 4.1.0
- * @access protected
- * @var int
- */
- protected static $instance_count = 0;
- /**
- * Order in which this instance was created in relation to other instances.
- *
- * @since 4.1.0
- * @access public
- * @var int
- */
- public $instance_number;
- /**
- * WP_Customize_Manager instance.
- *
- * @since 3.4.0
- * @access public
- * @var WP_Customize_Manager
- */
- public $manager;
- /**
- * Unique identifier.
- *
- * @since 3.4.0
- * @access public
- * @var string
- */
- public $id;
- /**
- * Priority of the section which informs load order of sections.
- *
- * @since 3.4.0
- * @access public
- * @var integer
- */
- public $priority = 160;
- /**
- * Panel in which to show the section, making it a sub-section.
- *
- * @since 4.0.0
- * @access public
- * @var string
- */
- public $panel = '';
- /**
- * Capability required for the section.
- *
- * @since 3.4.0
- * @access public
- * @var string
- */
- public $capability = 'edit_theme_options';
- /**
- * Theme feature support for the section.
- *
- * @since 3.4.0
- * @access public
- * @var string|array
- */
- public $theme_supports = '';
- /**
- * Title of the section to show in UI.
- *
- * @since 3.4.0
- * @access public
- * @var string
- */
- public $title = '';
- /**
- * Description to show in the UI.
- *
- * @since 3.4.0
- * @access public
- * @var string
- */
- public $description = '';
- /**
- * Customizer controls for this section.
- *
- * @since 3.4.0
- * @access public
- * @var array
- */
- public $controls;
- /**
- * Type of this section.
- *
- * @since 4.1.0
- * @access public
- * @var string
- */
- public $type = 'default';
- /**
- * Active callback.
- *
- * @since 4.1.0
- * @access public
- *
- * @see WP_Customize_Section::active()
- *
- * @var callable Callback is called with one argument, the instance of
- * {@see 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 3.4.0
- *
- * @param WP_Customize_Manager $manager Customizer bootstrap instance.
- * @param string $id An specific ID of the section.
- * @param array $args Section 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;
- if ( empty( $this->active_callback ) ) {
- $this->active_callback = array( $this, 'active_callback' );
- }
- self::$instance_count += 1;
- $this->instance_number = self::$instance_count;
- $this->controls = array(); // Users cannot customize the $controls array.
- }
- /**
- * Check whether section is active to current Customizer preview.
- *
- * @since 4.1.0
- * @access public
- *
- * @return bool Whether the section is active to the current preview.
- */
- final public function active() {
- $section = $this;
- $active = call_user_func( $this->active_callback, $this );
- /**
- * Filter response of {@see WP_Customize_Section::active()}.
- *
- * @since 4.1.0
- *
- * @param bool $active Whether the Customizer section is active.
- * @param WP_Customize_Section $section {@see WP_Customize_Section} instance.
- */
- $active = apply_filters( 'customize_section_active', $active, $section );
- return $active;
- }
- /**
- * Default callback used when invoking {@see WP_Customize_Section::active()}.
- *
- * Subclasses can override this with their specific logic, or they may provide
- * an 'active_callback' argument to the constructor.
- *
- * @since 4.1.0
- * @access public
- *
- * @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( 'title', 'description', 'priority', 'panel', 'type' ) );
- $array['content'] = $this->get_content();
- $array['active'] = $this->active();
- $array['instanceNumber'] = $this->instance_number;
- return $array;
- }
- /**
- * Checks required user capabilities and whether the theme has the
- * feature support required by the section.
- *
- * @since 3.4.0
- *
- * @return bool False if theme doesn't support the section or user doesn't have the capability.
- */
- final public 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;
- }
- /**
- * Get the section's content template for insertion into the Customizer pane.
- *
- * @since 4.1.0
- *
- * @return string Contents of the section.
- */
- final public function get_content() {
- ob_start();
- $this->maybe_render();
- $template = trim( ob_get_contents() );
- ob_end_clean();
- return $template;
- }
- /**
- * Check capabilities and render the section.
- *
- * @since 3.4.0
- */
- final public function maybe_render() {
- if ( ! $this->check_capabilities() ) {
- return;
- }
- /**
- * Fires before rendering a Customizer section.
- *
- * @since 3.4.0
- *
- * @param WP_Customize_Section $this WP_Customize_Section instance.
- */
- do_action( 'customize_render_section', $this );
- /**
- * Fires before rendering a specific Customizer section.
- *
- * The dynamic portion of the hook name, `$this->id`, refers to the ID
- * of the specific Customizer section to be rendered.
- *
- * @since 3.4.0
- */
- do_action( "customize_render_section_{$this->id}" );
- $this->render();
- }
- /**
- * Render the section, and the controls that have been added to it.
- *
- * @since 3.4.0
- */
- protected function render() {
- $classes = 'accordion-section control-section control-section-' . $this->type;
- ?>
- <li id="accordion-section-<?php echo esc_attr( $this->id ); ?>" class="<?php echo esc_attr( $classes ); ?>">
- <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 expand' ); ?></span>
- </h3>
- <ul class="accordion-section-content">
- <?php if ( ! empty( $this->description ) ) : ?>
- <li class="customize-section-description-container">
- <p class="description customize-section-description"><?php echo $this->description; ?></p>
- </li>
- <?php endif; ?>
- </ul>
- </li>
- <?php
- }
- }
- /**
- * Customize Themes Section class.
- *
- * A UI container for theme controls, which behaves like a backwards Panel.
- *
- * @since 4.2.0
- *
- * @see WP_Customize_Section
- */
- class WP_Customize_Themes_Section extends WP_Customize_Section {
- /**
- * Customize section type.
- *
- * @since 4.2.0
- * @access public
- * @var string
- */
- public $type = 'themes';
- /**
- * Render the themes section, which behaves like a panel.
- *
- * @since 4.2.0
- * @access protected
- */
- protected function render() {
- $classes = 'accordion-section control-section control-section-' . $this->type;
- ?>
- <li id="accordion-section-<?php echo esc_attr( $this->id ); ?>" class="<?php echo esc_attr( $classes ); ?>">
- <h3 class="accordion-section-title">
- <?php
- if ( $this->manager->is_theme_active() ) {
- /* translators: %s: theme name */
- printf( __( '<span>Active theme</span> %s' ), $this->title );
- } else {
- /* translators: %s: theme name */
- printf( __( '<span>Previewing theme</span> %s' ), $this->title );
- }
- ?>
- <button type="button" class="button change-theme"><?php _ex( 'Change', 'theme' ); ?></button>
- </h3>
- <div class="customize-themes-panel control-panel-content themes-php">
- <h2>
- <?php _e( 'Themes' ); ?>
- <span class="title-count theme-count"><?php echo count( $this->controls ) + 1 /* Active theme */; ?></span>
- </h2>
- <h3 class="accordion-section-title customize-section-title">
- <?php
- if ( $this->manager->is_theme_active() ) {
- /* translators: %s: theme name */
- printf( __( '<span>Active theme</span> %s' ), $this->title );
- } else {
- /* translators: %s: theme name */
- printf( __( '<span>Previewing theme</span> %s' ), $this->title );
- }
- ?>
- <button type="button" class="button customize-theme"><?php _e( 'Customize' ); ?></button>
- </h3>
- <div class="theme-overlay" tabindex="0" role="dialog" aria-label="<?php esc_attr_e( 'Theme Details' ); ?>"></div>
- <div id="customize-container"></div>
- <?php if ( count( $this->controls ) > 4 ) : ?>
- <p><label for="themes-filter">
- <span class="screen-reader-text"><?php _e( 'Search installed themes...' ); ?></span>
- <input type="text" id="themes-filter" placeholder="<?php esc_attr_e( 'Search installed themes...' ); ?>" />
- </label></p>
- <?php endif; ?>
- <div class="theme-browser rendered">
- <ul class="themes accordion-section-content">
- </ul>
- </div>
- </div>
- </li>
- <?php }
- }
- /**
- * Customizer section representing widget area (sidebar).
- *
- * @since 4.1.0
- *
- * @see WP_Customize_Section
- */
- class WP_Customize_Sidebar_Section extends WP_Customize_Section {
- /**
- * Type of this section.
- *
- * @since 4.1.0
- * @access public
- * @var string
- */
- public $type = 'sidebar';
- /**
- * Unique identifier.
- *
- * @since 4.1.0
- * @access public
- * @var string
- */
- public $sidebar_id;
- /**
- * 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() {
- $json = parent::json();
- $json['sidebarId'] = $this->sidebar_id;
- return $json;
- }
- /**
- * Whether the current sidebar is rendered on the page.
- *
- * @since 4.1.0
- * @access public
- *
- * @return bool Whether sidebar is rendered.
- */
- public function active_callback() {
- return $this->manager->widgets->is_sidebar_rendered( $this->sidebar_id );
- }
- }