576 lines
14 KiB
PHP
576 lines
14 KiB
PHP
<?php
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/**
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* WordPress Customize Section classes
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*
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* @package WordPress
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* @subpackage Customize
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* @since 3.4.0
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*/
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/**
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* Customize Section class.
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*
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* A UI container for controls, managed by the WP_Customize_Manager class.
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*
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* @since 3.4.0
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*
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* @see WP_Customize_Manager
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*/
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class WP_Customize_Section {
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/**
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* Incremented with each new class instantiation, then stored in $instance_number.
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*
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* Used when sorting two instances whose priorities are equal.
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*
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* @since 4.1.0
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*
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* @static
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* @access protected
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* @var int
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*/
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protected static $instance_count = 0;
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/**
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* Order in which this instance was created in relation to other instances.
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*
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* @since 4.1.0
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* @access public
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* @var int
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*/
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public $instance_number;
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/**
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* WP_Customize_Manager instance.
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*
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* @since 3.4.0
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* @access public
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* @var WP_Customize_Manager
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*/
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public $manager;
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/**
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* Unique identifier.
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*
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* @since 3.4.0
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* @access public
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* @var string
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*/
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public $id;
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/**
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* Priority of the section which informs load order of sections.
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*
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* @since 3.4.0
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* @access public
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* @var integer
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*/
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public $priority = 160;
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/**
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* Panel in which to show the section, making it a sub-section.
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*
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* @since 4.0.0
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* @access public
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* @var string
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*/
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public $panel = '';
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/**
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* Capability required for the section.
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*
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* @since 3.4.0
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* @access public
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* @var string
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*/
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public $capability = 'edit_theme_options';
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/**
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* Theme feature support for the section.
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*
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* @since 3.4.0
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* @access public
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* @var string|array
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*/
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public $theme_supports = '';
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/**
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* Title of the section to show in UI.
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*
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* @since 3.4.0
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* @access public
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* @var string
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*/
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public $title = '';
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/**
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* Description to show in the UI.
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*
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* @since 3.4.0
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* @access public
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* @var string
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*/
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public $description = '';
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/**
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* Customizer controls for this section.
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*
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* @since 3.4.0
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* @access public
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* @var array
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*/
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public $controls;
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/**
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* Type of this section.
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*
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* @since 4.1.0
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* @access public
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* @var string
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*/
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public $type = 'default';
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/**
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* Active callback.
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*
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* @since 4.1.0
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* @access public
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*
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* @see WP_Customize_Section::active()
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*
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* @var callable Callback is called with one argument, the instance of
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* {@see WP_Customize_Section}, and returns bool to indicate
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* whether the section is active (such as it relates to the URL
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* currently being previewed).
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*/
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public $active_callback = '';
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/**
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* Constructor.
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*
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* Any supplied $args override class property defaults.
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*
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* @since 3.4.0
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*
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* @param WP_Customize_Manager $manager Customizer bootstrap instance.
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* @param string $id An specific ID of the section.
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* @param array $args Section arguments.
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*/
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public function __construct( $manager, $id, $args = array() ) {
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$keys = array_keys( get_object_vars( $this ) );
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foreach ( $keys as $key ) {
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if ( isset( $args[ $key ] ) ) {
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$this->$key = $args[ $key ];
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}
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}
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$this->manager = $manager;
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$this->id = $id;
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if ( empty( $this->active_callback ) ) {
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$this->active_callback = array( $this, 'active_callback' );
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}
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self::$instance_count += 1;
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$this->instance_number = self::$instance_count;
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$this->controls = array(); // Users cannot customize the $controls array.
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}
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/**
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* Check whether section is active to current Customizer preview.
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*
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* @since 4.1.0
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* @access public
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*
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* @return bool Whether the section is active to the current preview.
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*/
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final public function active() {
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$section = $this;
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$active = call_user_func( $this->active_callback, $this );
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/**
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* Filter response of {@see WP_Customize_Section::active()}.
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*
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* @since 4.1.0
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*
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* @param bool $active Whether the Customizer section is active.
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* @param WP_Customize_Section $section {@see WP_Customize_Section} instance.
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*/
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$active = apply_filters( 'customize_section_active', $active, $section );
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return $active;
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}
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/**
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* Default callback used when invoking {@see WP_Customize_Section::active()}.
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*
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* Subclasses can override this with their specific logic, or they may provide
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* an 'active_callback' argument to the constructor.
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*
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* @since 4.1.0
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* @access public
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*
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* @return true Always true.
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*/
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public function active_callback() {
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return true;
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}
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/**
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* Gather the parameters passed to client JavaScript via JSON.
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*
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* @since 4.1.0
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*
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* @return array The array to be exported to the client as JSON.
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*/
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public function json() {
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$array = wp_array_slice_assoc( (array) $this, array( 'id', 'description', 'priority', 'panel', 'type' ) );
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$array['title'] = html_entity_decode( $this->title, ENT_QUOTES, get_bloginfo( 'charset' ) );
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$array['content'] = $this->get_content();
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$array['active'] = $this->active();
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$array['instanceNumber'] = $this->instance_number;
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if ( $this->panel ) {
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/* translators: ▸ is the unicode right-pointing triangle, and %s is the section title in the Customizer */
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$array['customizeAction'] = sprintf( __( 'Customizing ▸ %s' ), esc_html( $this->manager->get_panel( $this->panel )->title ) );
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} else {
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$array['customizeAction'] = __( 'Customizing' );
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}
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return $array;
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}
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/**
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* Checks required user capabilities and whether the theme has the
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* feature support required by the section.
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*
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* @since 3.4.0
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*
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* @return bool False if theme doesn't support the section or user doesn't have the capability.
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*/
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final public function check_capabilities() {
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if ( $this->capability && ! call_user_func_array( 'current_user_can', (array) $this->capability ) ) {
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return false;
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}
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if ( $this->theme_supports && ! call_user_func_array( 'current_theme_supports', (array) $this->theme_supports ) ) {
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return false;
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}
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return true;
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}
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/**
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* Get the section's content for insertion into the Customizer pane.
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*
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* @since 4.1.0
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*
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* @return string Contents of the section.
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*/
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final public function get_content() {
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ob_start();
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$this->maybe_render();
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return trim( ob_get_clean() );
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}
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/**
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* Check capabilities and render the section.
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*
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* @since 3.4.0
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*/
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final public function maybe_render() {
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if ( ! $this->check_capabilities() ) {
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return;
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}
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/**
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* Fires before rendering a Customizer section.
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*
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* @since 3.4.0
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*
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* @param WP_Customize_Section $this WP_Customize_Section instance.
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*/
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do_action( 'customize_render_section', $this );
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/**
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* Fires before rendering a specific Customizer section.
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*
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* The dynamic portion of the hook name, `$this->id`, refers to the ID
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* of the specific Customizer section to be rendered.
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*
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* @since 3.4.0
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*/
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do_action( "customize_render_section_{$this->id}" );
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$this->render();
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}
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/**
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* Render the section UI in a subclass.
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*
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* Sections are now rendered in JS by default, see {@see WP_Customize_Section::print_template()}.
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*
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* @since 3.4.0
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*/
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protected function render() {}
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/**
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* Render the section's JS template.
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*
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* This function is only run for section types that have been registered with
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* WP_Customize_Manager::register_section_type().
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*
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* @since 4.3.0
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* @access public
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*
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* @see WP_Customize_Manager::render_template()
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*/
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public function print_template() {
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?>
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<script type="text/html" id="tmpl-customize-section-<?php echo $this->type; ?>">
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<?php $this->render_template(); ?>
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</script>
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<?php
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}
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/**
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* An Underscore (JS) template for rendering this section.
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*
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* Class variables for this section class are available in the `data` JS object;
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* export custom variables by overriding WP_Customize_Section::json().
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*
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* @since 4.3.0
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* @access protected
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*
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* @see WP_Customize_Section::print_template()
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*/
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protected function render_template() {
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?>
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<li id="accordion-section-{{ data.id }}" class="accordion-section control-section control-section-{{ data.type }}">
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<h3 class="accordion-section-title" tabindex="0">
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{{ data.title }}
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<span class="screen-reader-text"><?php _e( 'Press return or enter to open' ); ?></span>
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</h3>
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<ul class="accordion-section-content">
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<li class="customize-section-description-container">
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<div class="customize-section-title">
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<button class="customize-section-back" tabindex="-1">
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<span class="screen-reader-text"><?php _e( 'Back' ); ?></span>
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</button>
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<h3>
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<span class="customize-action">
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{{{ data.customizeAction }}}
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</span>
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{{ data.title }}
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</h3>
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</div>
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<# if ( data.description ) { #>
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<p class="description customize-section-description">{{{ data.description }}}</p>
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<# } #>
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</li>
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</ul>
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</li>
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<?php
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}
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}
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/**
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* Customize Themes Section class.
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*
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* A UI container for theme controls, which behaves like a backwards Panel.
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*
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* @since 4.2.0
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*
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* @see WP_Customize_Section
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*/
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class WP_Customize_Themes_Section extends WP_Customize_Section {
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/**
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* Customize section type.
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*
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* @since 4.2.0
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* @access public
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* @var string
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*/
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public $type = 'themes';
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/**
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* Render the themes section, which behaves like a panel.
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*
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* @since 4.2.0
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* @access protected
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*/
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protected function render() {
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$classes = 'accordion-section control-section control-section-' . $this->type;
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?>
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<li id="accordion-section-<?php echo esc_attr( $this->id ); ?>" class="<?php echo esc_attr( $classes ); ?>">
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<h3 class="accordion-section-title">
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<?php
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if ( $this->manager->is_theme_active() ) {
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echo '<span class="customize-action">' . __( 'Active theme' ) . '</span> ' . $this->title;
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} else {
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echo '<span class="customize-action">' . __( 'Previewing theme' ) . '</span> ' . $this->title;
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}
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?>
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<button type="button" class="button change-theme" tabindex="0"><?php _ex( 'Change', 'theme' ); ?></button>
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</h3>
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<div class="customize-themes-panel control-panel-content themes-php">
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<h3 class="accordion-section-title customize-section-title">
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<span class="customize-action"><?php _e( 'Customizing' ); ?></span>
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<?php _e( 'Themes' ); ?>
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<span class="title-count theme-count"><?php echo count( $this->controls ) + 1 /* Active theme */; ?></span>
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</h3>
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<h3 class="accordion-section-title customize-section-title">
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<?php
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if ( $this->manager->is_theme_active() ) {
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echo '<span class="customize-action">' . __( 'Active theme' ) . '</span> ' . $this->title;
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} else {
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echo '<span class="customize-action">' . __( 'Previewing theme' ) . '</span> ' . $this->title;
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}
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?>
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<button type="button" class="button customize-theme"><?php _e( 'Customize' ); ?></button>
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</h3>
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<div class="theme-overlay" tabindex="0" role="dialog" aria-label="<?php esc_attr_e( 'Theme Details' ); ?>"></div>
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<div id="customize-container"></div>
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<?php if ( count( $this->controls ) > 4 ) : ?>
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<p><label for="themes-filter">
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<span class="screen-reader-text"><?php _e( 'Search installed themes...' ); ?></span>
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<input type="text" id="themes-filter" placeholder="<?php esc_attr_e( 'Search installed themes...' ); ?>" />
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</label></p>
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<?php endif; ?>
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<div class="theme-browser rendered">
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<ul class="themes accordion-section-content">
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</ul>
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</div>
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</div>
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</li>
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<?php }
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}
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/**
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* Customizer section representing widget area (sidebar).
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*
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* @since 4.1.0
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*
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* @see WP_Customize_Section
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*/
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class WP_Customize_Sidebar_Section extends WP_Customize_Section {
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/**
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* Type of this section.
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*
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* @since 4.1.0
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* @access public
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* @var string
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*/
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public $type = 'sidebar';
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/**
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* Unique identifier.
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*
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* @since 4.1.0
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* @access public
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* @var string
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*/
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public $sidebar_id;
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/**
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* Gather the parameters passed to client JavaScript via JSON.
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*
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* @since 4.1.0
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*
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* @return array The array to be exported to the client as JSON.
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*/
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public function json() {
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$json = parent::json();
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$json['sidebarId'] = $this->sidebar_id;
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return $json;
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}
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/**
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* Whether the current sidebar is rendered on the page.
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*
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* @since 4.1.0
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* @access public
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*
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* @return bool Whether sidebar is rendered.
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*/
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public function active_callback() {
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return $this->manager->widgets->is_sidebar_rendered( $this->sidebar_id );
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}
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}
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/**
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* Customize Menu Section Class
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*
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* Custom section only needed in JS.
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*
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* @since 4.3.0
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*
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* @see WP_Customize_Section
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*/
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class WP_Customize_Nav_Menu_Section extends WP_Customize_Section {
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/**
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* Control type.
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*
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* @since 4.3.0
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* @access public
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* @var string
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*/
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public $type = 'nav_menu';
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/**
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* Get section parameters for JS.
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*
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* @since 4.3.0
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* @access public
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* @return array Exported parameters.
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*/
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public function json() {
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$exported = parent::json();
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$exported['menu_id'] = intval( preg_replace( '/^nav_menu\[(\d+)\]/', '$1', $this->id ) );
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return $exported;
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}
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}
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/**
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* Customize Menu Section Class
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*
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* Implements the new-menu-ui toggle button instead of a regular section.
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*
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* @since 4.3.0
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*
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* @see WP_Customize_Section
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*/
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class WP_Customize_New_Menu_Section extends WP_Customize_Section {
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/**
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* Control type.
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*
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* @since 4.3.0
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* @access public
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* @var string
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*/
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public $type = 'new_menu';
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/**
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* Render the section, and the controls that have been added to it.
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*
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* @since 4.3.0
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* @access protected
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*/
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protected function render() {
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?>
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<li id="accordion-section-<?php echo esc_attr( $this->id ); ?>" class="accordion-section-new-menu">
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<button type="button" class="button-secondary add-new-menu-item add-menu-toggle" aria-expanded="false">
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<?php echo esc_html( $this->title ); ?>
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</button>
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<ul class="new-menu-section-content"></ul>
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</li>
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<?php
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}
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}
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