1001 lines
25 KiB
PHP
1001 lines
25 KiB
PHP
<?php
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/**
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* Customize
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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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final class WP_Customize_Manager {
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protected $theme;
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protected $original_stylesheet;
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protected $previewing = false;
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protected $settings = array();
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protected $sections = array();
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protected $controls = array();
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protected $customized;
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private $_post_values;
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/**
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* Constructor.
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*
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* @since 3.4.0
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*/
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public function __construct() {
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require( ABSPATH . WPINC . '/class-wp-customize-setting.php' );
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require( ABSPATH . WPINC . '/class-wp-customize-section.php' );
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require( ABSPATH . WPINC . '/class-wp-customize-control.php' );
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add_filter( 'wp_die_handler', array( $this, 'wp_die_handler' ) );
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add_action( 'setup_theme', array( $this, 'setup_theme' ) );
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add_action( 'wp_loaded', array( $this, 'wp_loaded' ) );
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// Run wp_redirect_status late to make sure we override the status last.
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add_action( 'wp_redirect_status', array( $this, 'wp_redirect_status' ), 1000 );
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// Do not spawn cron (especially the alternate cron) while running the customizer.
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remove_action( 'init', 'wp_cron' );
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// Do not run update checks when rendering the controls.
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remove_action( 'admin_init', '_maybe_update_core' );
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remove_action( 'admin_init', '_maybe_update_plugins' );
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remove_action( 'admin_init', '_maybe_update_themes' );
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add_action( 'wp_ajax_customize_save', array( $this, 'save' ) );
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add_action( 'customize_register', array( $this, 'register_controls' ) );
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add_action( 'customize_controls_init', array( $this, 'prepare_controls' ) );
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add_action( 'customize_controls_enqueue_scripts', array( $this, 'enqueue_control_scripts' ) );
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}
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/**
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* Return true if it's an AJAX request.
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*
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* @since 3.4.0
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*/
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public function doing_ajax() {
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return isset( $_POST['customized'] ) || ( defined( 'DOING_AJAX' ) && DOING_AJAX );
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}
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/**
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* Custom wp_die wrapper. Returns either the standard message for UI
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* or the AJAX message.
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*
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* @param mixed $ajax_message AJAX return
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* @param mixed $message UI message
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*
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* @since 3.4.0
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*/
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private function wp_die( $ajax_message, $message ) {
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if ( $this->doing_ajax() )
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wp_die( $ajax_message );
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wp_die( $message );
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}
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/**
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* Return the AJAX wp_die() handler if it's a customized request.
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*
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* @since 3.4.0
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*/
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public function wp_die_handler() {
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if ( $this->doing_ajax() )
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return '_ajax_wp_die_handler';
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return '_default_wp_die_handler';
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}
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/**
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* Start preview and customize theme.
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*
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* Check if customize query variable exist. Init filters to filter the current theme.
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*
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* @since 3.4.0
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*/
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public function setup_theme() {
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if ( is_admin() && ! $this->doing_ajax() )
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auth_redirect();
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elseif ( $this->doing_ajax() && ! is_user_logged_in())
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wp_die( 0 );
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send_origin_headers();
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$this->original_stylesheet = get_stylesheet();
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$this->theme = wp_get_theme( isset( $_REQUEST['theme'] ) ? $_REQUEST['theme'] : null );
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// You can't preview a theme if it doesn't exist, or if it is not allowed (unless active).
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if ( ! $this->theme->exists() )
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$this->wp_die( -1, __( 'Cheatin’ uh?' ) );
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if ( $this->theme->get_stylesheet() != get_stylesheet() && ( ! $this->theme()->is_allowed() || ! current_user_can( 'switch_themes' ) ) )
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$this->wp_die( -1, __( 'Cheatin’ uh?' ) );
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if ( ! current_user_can( 'edit_theme_options' ) )
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$this->wp_die( -1, __( 'Cheatin’ uh?' ) );
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$this->start_previewing_theme();
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show_admin_bar( false );
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}
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/**
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* Start previewing the selected theme.
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*
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* Adds filters to change the current theme.
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*
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* @since 3.4.0
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*/
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public function start_previewing_theme() {
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// Bail if we're already previewing.
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if ( $this->is_preview() )
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return;
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$this->previewing = true;
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add_filter( 'template', array( $this, 'get_template' ) );
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add_filter( 'stylesheet', array( $this, 'get_stylesheet' ) );
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add_filter( 'pre_option_current_theme', array( $this, 'current_theme' ) );
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// @link: http://core.trac.wordpress.org/ticket/20027
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add_filter( 'pre_option_stylesheet', array( $this, 'get_stylesheet' ) );
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add_filter( 'pre_option_template', array( $this, 'get_template' ) );
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// Handle custom theme roots.
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add_filter( 'pre_option_stylesheet_root', array( $this, 'get_stylesheet_root' ) );
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add_filter( 'pre_option_template_root', array( $this, 'get_template_root' ) );
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do_action( 'start_previewing_theme', $this );
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}
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/**
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* Stop previewing the selected theme.
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*
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* Removes filters to change the current theme.
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*
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* @since 3.4.0
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*/
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public function stop_previewing_theme() {
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if ( ! $this->is_preview() )
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return;
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$this->previewing = false;
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remove_filter( 'template', array( $this, 'get_template' ) );
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remove_filter( 'stylesheet', array( $this, 'get_stylesheet' ) );
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remove_filter( 'pre_option_current_theme', array( $this, 'current_theme' ) );
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// @link: http://core.trac.wordpress.org/ticket/20027
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remove_filter( 'pre_option_stylesheet', array( $this, 'get_stylesheet' ) );
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remove_filter( 'pre_option_template', array( $this, 'get_template' ) );
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// Handle custom theme roots.
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remove_filter( 'pre_option_stylesheet_root', array( $this, 'get_stylesheet_root' ) );
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remove_filter( 'pre_option_template_root', array( $this, 'get_template_root' ) );
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do_action( 'stop_previewing_theme', $this );
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}
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/**
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* Get the theme being customized.
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*
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* @since 3.4.0
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*
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* @return WP_Theme
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*/
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public function theme() {
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return $this->theme;
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}
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/**
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* Get the registered settings.
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*
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* @since 3.4.0
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*
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* @return array
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*/
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public function settings() {
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return $this->settings;
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}
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/**
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* Get the registered controls.
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*
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* @since 3.4.0
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*
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* @return array
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*/
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public function controls() {
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return $this->controls;
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}
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/**
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* Get the registered sections.
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*
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* @since 3.4.0
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*
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* @return array
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*/
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public function sections() {
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return $this->sections;
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}
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/**
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* Checks if the current theme is active.
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*
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* @since 3.4.0
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*
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* @return bool
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*/
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public function is_theme_active() {
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return $this->get_stylesheet() == $this->original_stylesheet;
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}
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/**
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* Register styles/scripts and initialize the preview of each setting
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*
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* @since 3.4.0
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*/
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public function wp_loaded() {
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do_action( 'customize_register', $this );
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if ( $this->is_preview() && ! is_admin() )
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$this->customize_preview_init();
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}
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/**
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* Prevents AJAX requests from following redirects when previewing a theme
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* by issuing a 200 response instead of a 30x.
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*
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* Instead, the JS will sniff out the location header.
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*
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* @since 3.4.0
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*/
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public function wp_redirect_status( $status ) {
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if ( $this->is_preview() && ! is_admin() )
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return 200;
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return $status;
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}
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/**
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* Decode the $_POST attribute used to override the WP_Customize_Setting values.
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*
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* @since 3.4.0
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*/
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public function post_value( $setting ) {
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if ( ! isset( $this->_post_values ) ) {
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if ( isset( $_POST['customized'] ) )
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$this->_post_values = json_decode( stripslashes( $_POST['customized'] ), true );
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else
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$this->_post_values = false;
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}
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if ( isset( $this->_post_values[ $setting->id ] ) )
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return $setting->sanitize( $this->_post_values[ $setting->id ] );
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}
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/**
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* Print javascript settings.
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*
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* @since 3.4.0
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*/
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public function customize_preview_init() {
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$this->prepare_controls();
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wp_enqueue_script( 'customize-preview' );
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add_action( 'wp_head', array( $this, 'customize_preview_base' ) );
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add_action( 'wp_head', array( $this, 'customize_preview_html5' ) );
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add_action( 'wp_footer', array( $this, 'customize_preview_settings' ), 20 );
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add_action( 'shutdown', array( $this, 'customize_preview_signature' ), 1000 );
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add_filter( 'wp_die_handler', array( $this, 'remove_preview_signature' ) );
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foreach ( $this->settings as $setting ) {
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$setting->preview();
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}
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do_action( 'customize_preview_init', $this );
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}
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/**
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* Print base element for preview frame.
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*
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* @since 3.4.0
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*/
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public function customize_preview_base() {
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?><base href="<?php echo home_url( '/' ); ?>" /><?php
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}
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/**
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* Print a workaround to handle HTML5 tags in IE < 9
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*
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* @since 3.4.0
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*/
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public function customize_preview_html5() { ?>
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<!--[if lt IE 9]>
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<script type="text/javascript">
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var e = [ 'abbr', 'article', 'aside', 'audio', 'canvas', 'datalist', 'details',
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'figure', 'footer', 'header', 'hgroup', 'mark', 'menu', 'meter', 'nav',
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'output', 'progress', 'section', 'time', 'video' ];
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for ( var i = 0; i < e.length; i++ ) {
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document.createElement( e[i] );
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}
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</script>
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<![endif]--><?php
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}
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/**
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* Print javascript settings for preview frame.
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*
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* @since 3.4.0
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*/
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public function customize_preview_settings() {
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$settings = array(
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'values' => array(),
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'channel' => esc_js( $_POST['customize_messenger_channel'] ),
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);
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foreach ( $this->settings as $id => $setting ) {
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$settings['values'][ $id ] = $setting->js_value();
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}
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?>
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<script type="text/javascript">
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var _wpCustomizeSettings = <?php echo json_encode( $settings ); ?>;
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</script>
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<?php
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}
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/**
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* Prints a signature so we can ensure the customizer was properly executed.
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*
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* @since 3.4.0
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*/
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public function customize_preview_signature() {
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echo 'WP_CUSTOMIZER_SIGNATURE';
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}
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/**
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* Removes the signature in case we experience a case where the customizer was not properly executed.
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*
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* @since 3.4.0
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*/
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public function remove_preview_signature( $return = null ) {
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remove_action( 'shutdown', array( $this, 'customize_preview_signature' ), 1000 );
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return $return;
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}
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/**
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* Is it a theme preview?
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*
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* @since 3.4.0
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*
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* @return bool True if it's a preview, false if not.
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*/
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public function is_preview() {
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return (bool) $this->previewing;
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}
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/**
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* Retrieve the template name of the previewed theme.
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*
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* @since 3.4.0
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*
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* @return string Template name.
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*/
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public function get_template() {
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return $this->theme->get_template();
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}
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/**
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* Retrieve the stylesheet name of the previewed theme.
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*
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* @since 3.4.0
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*
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* @return string Stylesheet name.
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*/
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public function get_stylesheet() {
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return $this->theme->get_stylesheet();
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}
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/**
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* Retrieve the template root of the previewed theme.
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*
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* @since 3.4.0
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*
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* @return string Theme root.
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*/
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public function get_template_root() {
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return get_raw_theme_root( $this->get_template(), true );
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}
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/**
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* Retrieve the stylesheet root of the previewed theme.
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*
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* @since 3.4.0
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*
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* @return string Theme root.
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*/
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public function get_stylesheet_root() {
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return get_raw_theme_root( $this->get_stylesheet(), true );
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}
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/**
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* Filter the current theme and return the name of the previewed theme.
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*
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* @since 3.4.0
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*
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* @return string Theme name.
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*/
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public function current_theme( $current_theme ) {
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return $this->theme->display('Name');
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}
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/**
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* Switch the theme and trigger the save action of each setting.
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*
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* @since 3.4.0
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*/
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public function save() {
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if ( ! $this->is_preview() )
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die;
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check_ajax_referer( 'customize_controls-' . $this->get_stylesheet(), 'nonce' );
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// Do we have to switch themes?
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if ( $this->get_stylesheet() != $this->original_stylesheet ) {
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// Temporarily stop previewing the theme to allow switch_themes()
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// to operate properly.
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$this->stop_previewing_theme();
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switch_theme( $this->get_template(), $this->get_stylesheet() );
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$this->start_previewing_theme();
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}
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do_action( 'customize_save', $this );
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foreach ( $this->settings as $setting ) {
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$setting->save();
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}
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add_action( 'admin_notices', array( $this, '_save_feedback' ) );
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die;
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}
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/**
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* Show an admin notice after settings are saved.
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*
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* @since 3.4.0
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*/
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public function _save_feedback() {
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?>
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<div class="updated"><p><?php printf( __( 'Settings saved and theme activated. <a href="%s">Visit site</a>.' ), home_url( '/' ) ); ?></p></div>
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<?php
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}
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/**
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* Add a customize setting.
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*
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* @since 3.4.0
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*
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* @param string $id A specific ID of the setting. Can be a
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* theme mod or option name.
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* @param array $args Setting arguments.
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*/
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public function add_setting( $id, $args = array() ) {
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if ( is_a( $id, 'WP_Customize_Setting' ) )
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$setting = $id;
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else
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$setting = new WP_Customize_Setting( $this, $id, $args );
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$this->settings[ $setting->id ] = $setting;
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}
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/**
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* Retrieve a customize setting.
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*
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* @since 3.4.0
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*
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* @param string $id A specific ID of the setting.
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* @return object The settings object.
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*/
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public function get_setting( $id ) {
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if ( isset( $this->settings[ $id ] ) )
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return $this->settings[ $id ];
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}
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/**
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* Remove a customize setting.
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*
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* @since 3.4.0
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*
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* @param string $id A specific ID of the setting.
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*/
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public function remove_setting( $id ) {
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unset( $this->settings[ $id ] );
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}
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/**
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* Add a customize section.
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*
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* @since 3.4.0
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*
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* @param string $id A specific ID of the section.
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* @param array $args Section arguments.
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*/
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public function add_section( $id, $args = array() ) {
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if ( is_a( $id, 'WP_Customize_Section' ) )
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$section = $id;
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else
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$section = new WP_Customize_Section( $this, $id, $args );
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$this->sections[ $section->id ] = $section;
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}
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/**
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* Retrieve a customize section.
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*
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* @since 3.4.0
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*
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* @param string $id A specific ID of the section.
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* @return object The section object.
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*/
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public function get_section( $id ) {
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if ( isset( $this->sections[ $id ] ) )
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return $this->sections[ $id ];
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}
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/**
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* Remove a customize section.
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*
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* @since 3.4.0
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*
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* @param string $id A specific ID of the section.
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*/
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public function remove_section( $id ) {
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unset( $this->sections[ $id ] );
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}
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/**
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* Add a customize control.
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*
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* @since 3.4.0
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*
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* @param string $id A specific ID of the control.
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* @param array $args Setting arguments.
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*/
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public function add_control( $id, $args = array() ) {
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if ( is_a( $id, 'WP_Customize_Control' ) )
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$control = $id;
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else
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$control = new WP_Customize_Control( $this, $id, $args );
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$this->controls[ $control->id ] = $control;
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}
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/**
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* Retrieve a customize control.
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*
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* @since 3.4.0
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*
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* @param string $id A specific ID of the control.
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* @return object The settings object.
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*/
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public function get_control( $id ) {
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if ( isset( $this->controls[ $id ] ) )
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return $this->controls[ $id ];
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}
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/**
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* Remove a customize setting.
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*
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* @since 3.4.0
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*
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* @param string $id A specific ID of the control.
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*/
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public function remove_control( $id ) {
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unset( $this->controls[ $id ] );
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}
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/**
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* Helper function to compare two objects by priority.
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*
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* @since 3.4.0
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*
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* @param object $a Object A.
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* @param object $b Object B.
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*/
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protected final function _cmp_priority( $a, $b ) {
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$ap = $a->priority;
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$bp = $b->priority;
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if ( $ap == $bp )
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return 0;
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return ( $ap > $bp ) ? 1 : -1;
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}
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/**
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* Prepare settings and sections.
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*
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* @since 3.4.0
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*/
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public function prepare_controls() {
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// Prepare controls
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// Reversing makes uasort sort by time added when conflicts occur.
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$this->controls = array_reverse( $this->controls );
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$controls = array();
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foreach ( $this->controls as $id => $control ) {
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if ( ! isset( $this->sections[ $control->section ] ) || ! $control->check_capabilities() )
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continue;
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$this->sections[ $control->section ]->controls[] = $control;
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$controls[ $id ] = $control;
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}
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$this->controls = $controls;
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// Prepare sections
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$this->sections = array_reverse( $this->sections );
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uasort( $this->sections, array( $this, '_cmp_priority' ) );
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$sections = array();
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foreach ( $this->sections as $section ) {
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if ( ! $section->check_capabilities() || ! $section->controls )
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continue;
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usort( $section->controls, array( $this, '_cmp_priority' ) );
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$sections[] = $section;
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}
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$this->sections = $sections;
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}
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/**
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* Enqueue scripts for customize controls.
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*
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* @since 3.4.0
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*/
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public function enqueue_control_scripts() {
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foreach ( $this->controls as $control ) {
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$control->enqueue();
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}
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}
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/**
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* Register some default controls.
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*
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* @since 3.4.0
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*/
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public function register_controls() {
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/* Site Title & Tagline */
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$this->add_section( 'title_tagline', array(
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'title' => __( 'Site Title & Tagline' ),
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'priority' => 20,
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) );
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$this->add_setting( 'blogname', array(
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'default' => get_option( 'blogname' ),
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'type' => 'option',
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'capability' => 'manage_options',
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) );
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$this->add_control( 'blogname', array(
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'label' => __( 'Site Title' ),
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'section' => 'title_tagline',
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) );
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$this->add_setting( 'blogdescription', array(
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'default' => get_option( 'blogdescription' ),
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'type' => 'option',
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'capability' => 'manage_options',
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) );
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$this->add_control( 'blogdescription', array(
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'label' => __( 'Tagline' ),
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'section' => 'title_tagline',
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) );
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/* Colors */
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$this->add_section( 'colors', array(
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'title' => __( 'Colors' ),
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'priority' => 40,
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) );
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$this->add_setting( 'header_textcolor', array(
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'theme_supports' => array( 'custom-header', 'header-text' ),
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'default' => get_theme_support( 'custom-header', 'default-text-color' ),
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'sanitize_callback' => array( $this, '_sanitize_header_textcolor' ),
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'sanitize_js_callback' => 'maybe_hash_hex_color',
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) );
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// Input type: checkbox
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// With custom value
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$this->add_control( 'display_header_text', array(
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'settings' => 'header_textcolor',
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'label' => __( 'Display Header Text' ),
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'section' => 'title_tagline',
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'type' => 'checkbox',
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) );
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$this->add_control( new WP_Customize_Color_Control( $this, 'header_textcolor', array(
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'label' => __( 'Header Text Color' ),
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'section' => 'colors',
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) ) );
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// Input type: Color
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// With sanitize_callback
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$this->add_setting( 'background_color', array(
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'default' => get_theme_support( 'custom-background', 'default-color' ),
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'theme_supports' => 'custom-background',
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'sanitize_callback' => 'sanitize_hex_color_no_hash',
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'sanitize_js_callback' => 'maybe_hash_hex_color',
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) );
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$this->add_control( new WP_Customize_Color_Control( $this, 'background_color', array(
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'label' => __( 'Background Color' ),
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'section' => 'colors',
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) ) );
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/* Custom Header */
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$this->add_section( 'header_image', array(
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'title' => __( 'Header Image' ),
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'theme_supports' => 'custom-header',
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'priority' => 60,
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) );
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$this->add_setting( new WP_Customize_Filter_Setting( $this, 'header_image', array(
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'default' => get_theme_support( 'custom-header', 'default-image' ),
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'theme_supports' => 'custom-header',
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) ) );
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$this->add_setting( new WP_Customize_Header_Image_Setting( $this, 'header_image_data', array(
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// 'default' => get_theme_support( 'custom-header', 'default-image' ),
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'theme_supports' => 'custom-header',
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) ) );
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$this->add_control( new WP_Customize_Header_Image_Control( $this ) );
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/* Custom Background */
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$this->add_section( 'background_image', array(
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'title' => __( 'Background Image' ),
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'theme_supports' => 'custom-background',
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'priority' => 80,
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) );
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$this->add_setting( 'background_image', array(
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'default' => get_theme_support( 'custom-background', 'default-image' ),
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'theme_supports' => 'custom-background',
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) );
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$this->add_setting( new WP_Customize_Background_Image_Setting( $this, 'background_image_thumb', array(
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'theme_supports' => 'custom-background',
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) ) );
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$this->add_control( new WP_Customize_Background_Image_Control( $this ) );
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$this->add_setting( 'background_repeat', array(
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'default' => 'repeat',
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'theme_supports' => 'custom-background',
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) );
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$this->add_control( 'background_repeat', array(
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'label' => __( 'Background Repeat' ),
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'section' => 'background_image',
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'type' => 'radio',
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'choices' => array(
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'no-repeat' => __('No Repeat'),
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'repeat' => __('Tile'),
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'repeat-x' => __('Tile Horizontally'),
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'repeat-y' => __('Tile Vertically'),
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),
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) );
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$this->add_setting( 'background_position_x', array(
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'default' => 'left',
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'theme_supports' => 'custom-background',
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) );
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$this->add_control( 'background_position_x', array(
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'label' => __( 'Background Position' ),
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'section' => 'background_image',
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'type' => 'radio',
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'choices' => array(
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'left' => __('Left'),
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'center' => __('Center'),
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'right' => __('Right'),
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),
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) );
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$this->add_setting( 'background_attachment', array(
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'default' => 'fixed',
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'theme_supports' => 'custom-background',
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) );
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$this->add_control( 'background_attachment', array(
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'label' => __( 'Background Attachment' ),
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'section' => 'background_image',
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'type' => 'radio',
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'choices' => array(
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'fixed' => __('Fixed'),
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'scroll' => __('Scroll'),
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),
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) );
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// If the theme is using the default background callback, we can update
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// the background CSS using postMessage.
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if ( get_theme_support( 'custom-background', 'wp-head-callback' ) === '_custom_background_cb' ) {
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foreach ( array( 'color', 'image', 'position_x', 'repeat', 'attachment' ) as $prop ) {
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$this->get_setting( 'background_' . $prop )->transport = 'postMessage';
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}
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}
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/* Nav Menus */
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$locations = get_registered_nav_menus();
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$menus = wp_get_nav_menus();
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$menu_locations = get_nav_menu_locations();
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$num_locations = count( array_keys( $locations ) );
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$this->add_section( 'nav', array(
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'title' => __( 'Navigation' ),
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'theme_supports' => 'menus',
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'priority' => 100,
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'description' => sprintf( _n('Your theme supports %s menu. Select which menu you would like to use.', 'Your theme supports %s menus. Select which menu appears in each location.', $num_locations ), number_format_i18n( $num_locations ) ) . "\n\n" . __('You can edit your menu content on the Menus screen in the Appearance section.'),
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) );
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if ( $menus ) {
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$choices = array( 0 => __( '— Select —' ) );
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foreach ( $menus as $menu ) {
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$truncated_name = wp_html_excerpt( $menu->name, 40 );
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$truncated_name = ( $truncated_name == $menu->name ) ? $menu->name : trim( $truncated_name ) . '…';
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$choices[ $menu->term_id ] = $truncated_name;
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}
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foreach ( $locations as $location => $description ) {
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$menu_setting_id = "nav_menu_locations[{$location}]";
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$this->add_setting( $menu_setting_id, array(
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'sanitize_callback' => 'absint',
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'theme_supports' => 'menus',
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) );
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$this->add_control( $menu_setting_id, array(
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'label' => $description,
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'section' => 'nav',
|
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'type' => 'select',
|
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'choices' => $choices,
|
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) );
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}
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}
|
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/* Static Front Page */
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// #WP19627
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|
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$this->add_section( 'static_front_page', array(
|
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'title' => __( 'Static Front Page' ),
|
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// 'theme_supports' => 'static-front-page',
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'priority' => 120,
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'description' => __( 'Your theme supports a static front page.' ),
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) );
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$this->add_setting( 'show_on_front', array(
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'default' => get_option( 'show_on_front' ),
|
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'capability' => 'manage_options',
|
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'type' => 'option',
|
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// 'theme_supports' => 'static-front-page',
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) );
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$this->add_control( 'show_on_front', array(
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'label' => __( 'Front page displays' ),
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'section' => 'static_front_page',
|
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'type' => 'radio',
|
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'choices' => array(
|
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'posts' => __( 'Your latest posts' ),
|
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'page' => __( 'A static page' ),
|
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),
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) );
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|
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$this->add_setting( 'page_on_front', array(
|
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'type' => 'option',
|
|
'capability' => 'manage_options',
|
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// 'theme_supports' => 'static-front-page',
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) );
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$this->add_control( 'page_on_front', array(
|
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'label' => __( 'Front page' ),
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'section' => 'static_front_page',
|
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'type' => 'dropdown-pages',
|
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) );
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|
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$this->add_setting( 'page_for_posts', array(
|
|
'type' => 'option',
|
|
'capability' => 'manage_options',
|
|
// 'theme_supports' => 'static-front-page',
|
|
) );
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|
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$this->add_control( 'page_for_posts', array(
|
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'label' => __( 'Posts page' ),
|
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'section' => 'static_front_page',
|
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'type' => 'dropdown-pages',
|
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) );
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}
|
|
|
|
/**
|
|
* Callback for validating the header_textcolor value.
|
|
*
|
|
* Accepts 'blank', and otherwise uses sanitize_hex_color_no_hash().
|
|
*
|
|
* @since 3.4.0
|
|
*/
|
|
public function _sanitize_header_textcolor( $color ) {
|
|
return ( 'blank' === $color ) ? 'blank' : sanitize_hex_color_no_hash( $color );
|
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}
|
|
};
|
|
|
|
/**
|
|
* Validates a hex color.
|
|
*
|
|
* Returns either '', a 3 or 6 digit hex color (with #), or null.
|
|
* For validating values without a #, see sanitize_hex_color_no_hash().
|
|
*
|
|
* @since 3.4.0
|
|
*/
|
|
function sanitize_hex_color( $color ) {
|
|
if ( '' === $color )
|
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return '';
|
|
|
|
// 3 or 6 hex digits, or the empty string.
|
|
if ( preg_match('|^#([A-Fa-f0-9]{3}){1,2}$|', $color ) )
|
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return $color;
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Sanitizes a hex color without a hash. Use sanitize_hex_color() when possible.
|
|
*
|
|
* Saving hex colors without a hash puts the burden of adding the hash on the
|
|
* UI, which makes it difficult to use or upgrade to other color types such as
|
|
* rgba, hsl, rgb, and html color names.
|
|
*
|
|
* Returns either '', a 3 or 6 digit hex color (without a #), or null.
|
|
*
|
|
* @since 3.4.0
|
|
*/
|
|
function sanitize_hex_color_no_hash( $color ) {
|
|
$color = ltrim( $color, '#' );
|
|
|
|
if ( '' === $color )
|
|
return '';
|
|
|
|
return sanitize_hex_color( '#' . $color ) ? $color : null;
|
|
}
|
|
|
|
/**
|
|
* Ensures that any hex color is properly hashed.
|
|
* Otherwise, returns value untouched.
|
|
*
|
|
* This method should only be necessary if using sanitize_hex_color_no_hash().
|
|
*
|
|
* @since 3.4.0
|
|
*/
|
|
function maybe_hash_hex_color( $color ) {
|
|
if ( $unhashed = sanitize_hex_color_no_hash( $color ) )
|
|
return '#' . $unhashed;
|
|
|
|
return $color;
|
|
}
|