wp-includes/class-wp-customize-manager.php

   1 <?php
   2 /**
   3  * Customize
   4  *
   5  * @package WordPress
   6  * @subpackage Customize
   7  * @since 3.4.0
   8  */
   9
  10 final class WP_Customize_Manager {
  11         protected $theme;
  12         protected $original_stylesheet;
  13
  14         protected $previewing = false;
  15
  16         protected $settings = array();
  17         protected $sections = array();
  18         protected $controls = array();
  19
  20         protected $nonce_tick;
  21
  22         protected $customized;
  23
  24         private $_post_values;
  25
  26         /**
  27          * Constructor.
  28          *
  29          * @since 3.4.0
  30          */
  31         public function __construct() {
  32                 require( ABSPATH . WPINC . '/class-wp-customize-setting.php' );
  33                 require( ABSPATH . WPINC . '/class-wp-customize-section.php' );
  34                 require( ABSPATH . WPINC . '/class-wp-customize-control.php' );
  35
  36                 add_filter( 'wp_die_handler', array( $this, 'wp_die_handler' ) );
  37
  38                 add_action( 'setup_theme',  array( $this, 'setup_theme' ) );
  39                 add_action( 'wp_loaded',    array( $this, 'wp_loaded' ) );
  40
  41                 // Run wp_redirect_status late to make sure we override the status last.
  42                 add_action( 'wp_redirect_status', array( $this, 'wp_redirect_status' ), 1000 );
  43
  44                 // Do not spawn cron (especially the alternate cron) while running the customizer.
  45                 remove_action( 'init', 'wp_cron' );
  46
  47                 // Do not run update checks when rendering the controls.
  48                 remove_action( 'admin_init', '_maybe_update_core' );
  49                 remove_action( 'admin_init', '_maybe_update_plugins' );
  50                 remove_action( 'admin_init', '_maybe_update_themes' );
  51
  52                 add_action( 'wp_ajax_customize_save', array( $this, 'save' ) );
  53
  54                 add_action( 'customize_register',                 array( $this, 'register_controls' ) );
  55                 add_action( 'customize_controls_init',            array( $this, 'prepare_controls' ) );
  56                 add_action( 'customize_controls_enqueue_scripts', array( $this, 'enqueue_control_scripts' ) );
  57         }
  58
  59         /**
  60          * Return true if it's an AJAX request.
  61          *
  62          * @since 3.4.0
  63          */
  64         public function doing_ajax() {
  65                 return isset( $_POST['customized'] ) || ( defined( 'DOING_AJAX' ) && DOING_AJAX );
  66         }
  67
  68         /**
  69          * Custom wp_die wrapper. Returns either the standard message for UI
  70          * or the AJAX message.
  71          *
  72          * @param  mixed $ajax_message AJAX return
  73          * @param  mixed $message      UI message
  74          *
  75          * @since 3.4.0
  76          */
  77         protected function wp_die( $ajax_message, $message = null ) {
  78                 if ( $this->doing_ajax() )
  79                         wp_die( $ajax_message );
  80
  81                 if ( ! $message )
  82                         $message = __( 'Cheatin&#8217; uh?' );
  83
  84                 wp_die( $message );
  85         }
  86
  87         /**
  88          * Return the AJAX wp_die() handler if it's a customized request.
  89          *
  90          * @since 3.4.0
  91          */
  92         public function wp_die_handler() {
  93                 if ( $this->doing_ajax() )
  94                         return '_ajax_wp_die_handler';
  95
  96                 return '_default_wp_die_handler';
  97         }
  98         /**
  99         * Start preview and customize theme.
 100         *
 101         * Check if customize query variable exist. Init filters to filter the current theme.
 102          *
 103          * @since 3.4.0
 104          */
 105         public function setup_theme() {
 106                 send_origin_headers();
 107
 108                 if ( is_admin() && ! $this->doing_ajax() )
 109                     auth_redirect();
 110                 elseif ( $this->doing_ajax() && ! is_user_logged_in() )
 111                     $this->wp_die( 0 );
 112
 113                 show_admin_bar( false );
 114
 115                 if ( ! current_user_can( 'edit_theme_options' ) )
 116                         $this->wp_die( -1 );
 117
 118                 $this->original_stylesheet = get_stylesheet();
 119
 120                 $this->theme = wp_get_theme( isset( $_REQUEST['theme'] ) ? $_REQUEST['theme'] : null );
 121
 122                 if ( $this->is_theme_active() ) {
 123                         // Once the theme is loaded, we'll validate it.
 124                         add_action( 'after_setup_theme', array( $this, 'after_setup_theme' ) );
 125                 } else {
 126                         if ( ! current_user_can( 'switch_themes' ) )
 127                                 $this->wp_die( -1 );
 128
 129                         // If the theme isn't active, you can't preview it if it is not allowed or has errors.
 130                         if ( $this->theme()->errors() )
 131                                 $this->wp_die( -1 );
 132
 133                         if ( ! $this->theme()->is_allowed() )
 134                                 $this->wp_die( -1 );
 135                 }
 136
 137                 $this->start_previewing_theme();
 138         }
 139
 140         function after_setup_theme() {
 141                 if ( ! $this->doing_ajax() && ! validate_current_theme() ) {
 142                         wp_redirect( 'themes.php?broken=true' );
 143                         exit;
 144                 }
 145         }
 146
 147         /**
 148          * Start previewing the selected theme.
 149          *
 150          * Adds filters to change the current theme.
 151          *
 152          * @since 3.4.0
 153          */
 154         public function start_previewing_theme() {
 155                 // Bail if we're already previewing.
 156                 if ( $this->is_preview() )
 157                         return;
 158
 159                 $this->previewing = true;
 160
 161                 if ( ! $this->is_theme_active() ) {
 162                         add_filter( 'template', array( $this, 'get_template' ) );
 163                         add_filter( 'stylesheet', array( $this, 'get_stylesheet' ) );
 164                         add_filter( 'pre_option_current_theme', array( $this, 'current_theme' ) );
 165
 166                         // @link: http://core.trac.wordpress.org/ticket/20027
 167                         add_filter( 'pre_option_stylesheet', array( $this, 'get_stylesheet' ) );
 168                         add_filter( 'pre_option_template', array( $this, 'get_template' ) );
 169
 170                         // Handle custom theme roots.
 171                         add_filter( 'pre_option_stylesheet_root', array( $this, 'get_stylesheet_root' ) );
 172                         add_filter( 'pre_option_template_root', array( $this, 'get_template_root' ) );
 173                 }
 174
 175                 do_action( 'start_previewing_theme', $this );
 176         }
 177
 178         /**
 179          * Stop previewing the selected theme.
 180          *
 181          * Removes filters to change the current theme.
 182          *
 183          * @since 3.4.0
 184          */
 185         public function stop_previewing_theme() {
 186                 if ( ! $this->is_preview() )
 187                         return;
 188
 189                 $this->previewing = false;
 190
 191                 if ( ! $this->is_theme_active() ) {
 192                         remove_filter( 'template', array( $this, 'get_template' ) );
 193                         remove_filter( 'stylesheet', array( $this, 'get_stylesheet' ) );
 194                         remove_filter( 'pre_option_current_theme', array( $this, 'current_theme' ) );
 195
 196                         // @link: http://core.trac.wordpress.org/ticket/20027
 197                         remove_filter( 'pre_option_stylesheet', array( $this, 'get_stylesheet' ) );
 198                         remove_filter( 'pre_option_template', array( $this, 'get_template' ) );
 199
 200                         // Handle custom theme roots.
 201                         remove_filter( 'pre_option_stylesheet_root', array( $this, 'get_stylesheet_root' ) );
 202                         remove_filter( 'pre_option_template_root', array( $this, 'get_template_root' ) );
 203                 }
 204
 205                 do_action( 'stop_previewing_theme', $this );
 206         }
 207
 208         /**
 209          * Get the theme being customized.
 210          *
 211          * @since 3.4.0
 212          *
 213          * @return WP_Theme
 214          */
 215         public function theme() {
 216                 return $this->theme;
 217         }
 218
 219         /**
 220          * Get the registered settings.
 221          *
 222          * @since 3.4.0
 223          *
 224          * @return array
 225          */
 226         public function settings() {
 227                 return $this->settings;
 228         }
 229
 230         /**
 231          * Get the registered controls.
 232          *
 233          * @since 3.4.0
 234          *
 235          * @return array
 236          */
 237         public function controls() {
 238                 return $this->controls;
 239         }
 240
 241         /**
 242          * Get the registered sections.
 243          *
 244          * @since 3.4.0
 245          *
 246          * @return array
 247          */
 248         public function sections() {
 249                 return $this->sections;
 250         }
 251
 252         /**
 253          * Checks if the current theme is active.
 254          *
 255          * @since 3.4.0
 256          *
 257          * @return bool
 258          */
 259         public function is_theme_active() {
 260                 return $this->get_stylesheet() == $this->original_stylesheet;
 261         }
 262
 263         /**
 264          * Register styles/scripts and initialize the preview of each setting
 265          *
 266          * @since 3.4.0
 267          */
 268         public function wp_loaded() {
 269                 do_action( 'customize_register', $this );
 270
 271                 if ( $this->is_preview() && ! is_admin() )
 272                         $this->customize_preview_init();
 273         }
 274
 275         /**
 276          * Prevents AJAX requests from following redirects when previewing a theme
 277          * by issuing a 200 response instead of a 30x.
 278          *
 279          * Instead, the JS will sniff out the location header.
 280          *
 281          * @since 3.4.0
 282          */
 283         public function wp_redirect_status( $status ) {
 284                 if ( $this->is_preview() && ! is_admin() )
 285                         return 200;
 286
 287                 return $status;
 288         }
 289
 290         /**
 291          * Decode the $_POST attribute used to override the WP_Customize_Setting values.
 292          *
 293          * @since 3.4.0
 294          */
 295         public function post_value( $setting ) {
 296                 if ( ! isset( $this->_post_values ) ) {
 297                         if ( isset( $_POST['customized'] ) )
 298                                 $this->_post_values = json_decode( stripslashes( $_POST['customized'] ), true );
 299                         else
 300                                 $this->_post_values = false;
 301                 }
 302
 303                 if ( isset( $this->_post_values[ $setting->id ] ) )
 304                         return $setting->sanitize( $this->_post_values[ $setting->id ] );
 305         }
 306
 307         /**
 308          * Print javascript settings.
 309          *
 310          * @since 3.4.0
 311          */
 312         public function customize_preview_init() {
 313                 $this->nonce_tick = check_ajax_referer( 'preview-customize_' . $this->get_stylesheet(), 'nonce' );
 314
 315                 $this->prepare_controls();
 316
 317                 wp_enqueue_script( 'customize-preview' );
 318                 add_action( 'wp_head', array( $this, 'customize_preview_base' ) );
 319                 add_action( 'wp_head', array( $this, 'customize_preview_html5' ) );
 320                 add_action( 'wp_footer', array( $this, 'customize_preview_settings' ), 20 );
 321                 add_action( 'shutdown', array( $this, 'customize_preview_signature' ), 1000 );
 322                 add_filter( 'wp_die_handler', array( $this, 'remove_preview_signature' ) );
 323
 324                 foreach ( $this->settings as $setting ) {
 325                         $setting->preview();
 326                 }
 327
 328                 do_action( 'customize_preview_init', $this );
 329         }
 330
 331         /**
 332          * Print base element for preview frame.
 333          *
 334          * @since 3.4.0
 335          */
 336         public function customize_preview_base() {
 337                 ?><base href="<?php echo home_url( '/' ); ?>" /><?php
 338         }
 339
 340         /**
 341          * Print a workaround to handle HTML5 tags in IE < 9
 342          *
 343          * @since 3.4.0
 344          */
 345         public function customize_preview_html5() { ?>
 346                 <!--[if lt IE 9]>
 347                 <script type="text/javascript">
 348                         var e = [ 'abbr', 'article', 'aside', 'audio', 'canvas', 'datalist', 'details',
 349                                 'figure', 'footer', 'header', 'hgroup', 'mark', 'menu', 'meter', 'nav',
 350                                 'output', 'progress', 'section', 'time', 'video' ];
 351                         for ( var i = 0; i < e.length; i++ ) {
 352                                 document.createElement( e[i] );
 353                         }
 354                 </script>
 355                 <![endif]--><?php
 356         }
 357
 358         /**
 359          * Print javascript settings for preview frame.
 360          *
 361          * @since 3.4.0
 362          */
 363         public function customize_preview_settings() {
 364                 $settings = array(
 365                         'values'  => array(),
 366                         'channel' => esc_js( $_POST['customize_messenger_channel'] ),
 367                 );
 368
 369                 if ( 2 == $this->nonce_tick ) {
 370                         $settings['nonce'] = array(
 371                                 'save' => wp_create_nonce( 'save-customize_' . $this->get_stylesheet() ),
 372                                 'preview' => wp_create_nonce( 'preview-customize_' . $this->get_stylesheet() )
 373                         );
 374                 }
 375
 376                 foreach ( $this->settings as $id => $setting ) {
 377                         $settings['values'][ $id ] = $setting->js_value();
 378                 }
 379
 380                 ?>
 381                 <script type="text/javascript">
 382                         var _wpCustomizeSettings = <?php echo json_encode( $settings ); ?>;
 383                 </script>
 384                 <?php
 385         }
 386
 387         /**
 388          * Prints a signature so we can ensure the customizer was properly executed.
 389          *
 390          * @since 3.4.0
 391          */
 392         public function customize_preview_signature() {
 393                 echo 'WP_CUSTOMIZER_SIGNATURE';
 394         }
 395
 396         /**
 397          * Removes the signature in case we experience a case where the customizer was not properly executed.
 398          *
 399          * @since 3.4.0
 400          */
 401         public function remove_preview_signature( $return = null ) {
 402                 remove_action( 'shutdown', array( $this, 'customize_preview_signature' ), 1000 );
 403
 404                 return $return;
 405         }
 406
 407         /**
 408          * Is it a theme preview?
 409          *
 410          * @since 3.4.0
 411          *
 412          * @return bool True if it's a preview, false if not.
 413          */
 414         public function is_preview() {
 415                 return (bool) $this->previewing;
 416         }
 417
 418         /**
 419          * Retrieve the template name of the previewed theme.
 420          *
 421          * @since 3.4.0
 422          *
 423          * @return string Template name.
 424          */
 425         public function get_template() {
 426                 return $this->theme()->get_template();
 427         }
 428
 429         /**
 430          * Retrieve the stylesheet name of the previewed theme.
 431          *
 432          * @since 3.4.0
 433          *
 434          * @return string Stylesheet name.
 435          */
 436         public function get_stylesheet() {
 437                 return $this->theme()->get_stylesheet();
 438         }
 439
 440         /**
 441          * Retrieve the template root of the previewed theme.
 442          *
 443          * @since 3.4.0
 444          *
 445          * @return string Theme root.
 446          */
 447         public function get_template_root() {
 448                 return get_raw_theme_root( $this->get_template(), true );
 449         }
 450
 451         /**
 452          * Retrieve the stylesheet root of the previewed theme.
 453          *
 454          * @since 3.4.0
 455          *
 456          * @return string Theme root.
 457          */
 458         public function get_stylesheet_root() {
 459                 return get_raw_theme_root( $this->get_stylesheet(), true );
 460         }
 461
 462         /**
 463          * Filter the current theme and return the name of the previewed theme.
 464          *
 465          * @since 3.4.0
 466          *
 467          * @return string Theme name.
 468          */
 469         public function current_theme( $current_theme ) {
 470                 return $this->theme()->display('Name');
 471         }
 472
 473         /**
 474          * Switch the theme and trigger the save action of each setting.
 475          *
 476          * @since 3.4.0
 477          */
 478         public function save() {
 479                 if ( ! $this->is_preview() )
 480                         die;
 481
 482                 check_ajax_referer( 'save-customize_' . $this->get_stylesheet(), 'nonce' );
 483
 484                 // Do we have to switch themes?
 485                 if ( ! $this->is_theme_active() ) {
 486                         // Temporarily stop previewing the theme to allow switch_themes()
 487                         // to operate properly.
 488                         $this->stop_previewing_theme();
 489                         switch_theme( $this->get_template(), $this->get_stylesheet() );
 490                         $this->start_previewing_theme();
 491                 }
 492
 493                 do_action( 'customize_save', $this );
 494
 495                 foreach ( $this->settings as $setting ) {
 496                         $setting->save();
 497                 }
 498
 499                 die;
 500         }
 501
 502         /**
 503          * Add a customize setting.
 504          *
 505          * @since 3.4.0
 506          *
 507          * @param string $id A specific ID of the setting. Can be a
 508          *                   theme mod or option name.
 509          * @param array $args Setting arguments.
 510          */
 511         public function add_setting( $id, $args = array() ) {
 512                 if ( is_a( $id, 'WP_Customize_Setting' ) )
 513                         $setting = $id;
 514                 else
 515                         $setting = new WP_Customize_Setting( $this, $id, $args );
 516
 517                 $this->settings[ $setting->id ] = $setting;
 518         }
 519
 520         /**
 521          * Retrieve a customize setting.
 522          *
 523          * @since 3.4.0
 524          *
 525          * @param string $id A specific ID of the setting.
 526          * @return object The settings object.
 527          */
 528         public function get_setting( $id ) {
 529                 if ( isset( $this->settings[ $id ] ) )
 530                         return $this->settings[ $id ];
 531         }
 532
 533         /**
 534          * Remove a customize setting.
 535          *
 536          * @since 3.4.0
 537          *
 538          * @param string $id A specific ID of the setting.
 539          */
 540         public function remove_setting( $id ) {
 541                 unset( $this->settings[ $id ] );
 542         }
 543
 544         /**
 545          * Add a customize section.
 546          *
 547          * @since 3.4.0
 548          *
 549          * @param string $id A specific ID of the section.
 550          * @param array $args Section arguments.
 551          */
 552         public function add_section( $id, $args = array() ) {
 553                 if ( is_a( $id, 'WP_Customize_Section' ) )
 554                         $section = $id;
 555                 else
 556                         $section = new WP_Customize_Section( $this, $id, $args );
 557
 558                 $this->sections[ $section->id ] = $section;
 559         }
 560
 561         /**
 562          * Retrieve a customize section.
 563          *
 564          * @since 3.4.0
 565          *
 566          * @param string $id A specific ID of the section.
 567          * @return object The section object.
 568          */
 569         public function get_section( $id ) {
 570                 if ( isset( $this->sections[ $id ] ) )
 571                         return $this->sections[ $id ];
 572         }
 573
 574         /**
 575          * Remove a customize section.
 576          *
 577          * @since 3.4.0
 578          *
 579          * @param string $id A specific ID of the section.
 580          */
 581         public function remove_section( $id ) {
 582                 unset( $this->sections[ $id ] );
 583         }
 584
 585         /**
 586          * Add a customize control.
 587          *
 588          * @since 3.4.0
 589          *
 590          * @param string $id A specific ID of the control.
 591          * @param array $args Setting arguments.
 592          */
 593         public function add_control( $id, $args = array() ) {
 594                 if ( is_a( $id, 'WP_Customize_Control' ) )
 595                         $control = $id;
 596                 else
 597                         $control = new WP_Customize_Control( $this, $id, $args );
 598
 599                 $this->controls[ $control->id ] = $control;
 600         }
 601
 602         /**
 603          * Retrieve a customize control.
 604          *
 605          * @since 3.4.0
 606          *
 607          * @param string $id A specific ID of the control.
 608          * @return object The settings object.
 609          */
 610         public function get_control( $id ) {
 611                 if ( isset( $this->controls[ $id ] ) )
 612                         return $this->controls[ $id ];
 613         }
 614
 615         /**
 616          * Remove a customize setting.
 617          *
 618          * @since 3.4.0
 619          *
 620          * @param string $id A specific ID of the control.
 621          */
 622         public function remove_control( $id ) {
 623                 unset( $this->controls[ $id ] );
 624         }
 625
 626         /**
 627          * Helper function to compare two objects by priority.
 628          *
 629          * @since 3.4.0
 630          *
 631          * @param object $a Object A.
 632          * @param object $b Object B.
 633          */
 634         protected final function _cmp_priority( $a, $b ) {
 635                 $ap = $a->priority;
 636                 $bp = $b->priority;
 637
 638                 if ( $ap == $bp )
 639                         return 0;
 640                 return ( $ap > $bp ) ? 1 : -1;
 641         }
 642
 643         /**
 644          * Prepare settings and sections.
 645          *
 646          * @since 3.4.0
 647          */
 648         public function prepare_controls() {
 649                 // Prepare controls
 650                 // Reversing makes uasort sort by time added when conflicts occur.
 651
 652                 $this->controls = array_reverse( $this->controls );
 653                 $controls = array();
 654
 655                 foreach ( $this->controls as $id => $control ) {
 656                         if ( ! isset( $this->sections[ $control->section ] ) || ! $control->check_capabilities() )
 657                                 continue;
 658
 659                         $this->sections[ $control->section ]->controls[] = $control;
 660                         $controls[ $id ] = $control;
 661                 }
 662                 $this->controls = $controls;
 663
 664                 // Prepare sections
 665                 $this->sections = array_reverse( $this->sections );
 666                 uasort( $this->sections, array( $this, '_cmp_priority' ) );
 667                 $sections = array();
 668
 669                 foreach ( $this->sections as $section ) {
 670                         if ( ! $section->check_capabilities() || ! $section->controls )
 671                                 continue;
 672
 673                         usort( $section->controls, array( $this, '_cmp_priority' ) );
 674                         $sections[] = $section;
 675                 }
 676                 $this->sections = $sections;
 677         }
 678
 679         /**
 680          * Enqueue scripts for customize controls.
 681          *
 682          * @since 3.4.0
 683          */
 684         public function enqueue_control_scripts() {
 685                 foreach ( $this->controls as $control ) {
 686                         $control->enqueue();
 687                 }
 688         }
 689
 690         /**
 691          * Register some default controls.
 692          *
 693          * @since 3.4.0
 694          */
 695         public function register_controls() {
 696
 697                 /* Site Title & Tagline */
 698
 699                 $this->add_section( 'title_tagline', array(
 700                         'title'    => __( 'Site Title & Tagline' ),
 701                         'priority' => 20,
 702                 ) );
 703
 704                 $this->add_setting( 'blogname', array(
 705                         'default'    => get_option( 'blogname' ),
 706                         'type'       => 'option',
 707                         'capability' => 'manage_options',
 708                 ) );
 709
 710                 $this->add_control( 'blogname', array(
 711                         'label'      => __( 'Site Title' ),
 712                         'section'    => 'title_tagline',
 713                 ) );
 714
 715                 $this->add_setting( 'blogdescription', array(
 716                         'default'    => get_option( 'blogdescription' ),
 717                         'type'       => 'option',
 718                         'capability' => 'manage_options',
 719                 ) );
 720
 721                 $this->add_control( 'blogdescription', array(
 722                         'label'      => __( 'Tagline' ),
 723                         'section'    => 'title_tagline',
 724                 ) );
 725
 726                 /* Colors */
 727
 728                 $this->add_section( 'colors', array(
 729                         'title'          => __( 'Colors' ),
 730                         'priority'       => 40,
 731                 ) );
 732
 733                 $this->add_setting( 'header_textcolor', array(
 734                         'theme_supports' => array( 'custom-header', 'header-text' ),
 735                         'default'        => get_theme_support( 'custom-header', 'default-text-color' ),
 736
 737                         'sanitize_callback'    => array( $this, '_sanitize_header_textcolor' ),
 738                         'sanitize_js_callback' => 'maybe_hash_hex_color',
 739                 ) );
 740
 741                 // Input type: checkbox
 742                 // With custom value
 743                 $this->add_control( 'display_header_text', array(
 744                         'settings' => 'header_textcolor',
 745                         'label'    => __( 'Display Header Text' ),
 746                         'section'  => 'title_tagline',
 747                         'type'     => 'checkbox',
 748                 ) );
 749
 750                 $this->add_control( new WP_Customize_Color_Control( $this, 'header_textcolor', array(
 751                         'label'   => __( 'Header Text Color' ),
 752                         'section' => 'colors',
 753                 ) ) );
 754
 755                 // Input type: Color
 756                 // With sanitize_callback
 757                 $this->add_setting( 'background_color', array(
 758                         'default'        => get_theme_support( 'custom-background', 'default-color' ),
 759                         'theme_supports' => 'custom-background',
 760
 761                         'sanitize_callback'    => 'sanitize_hex_color_no_hash',
 762                         'sanitize_js_callback' => 'maybe_hash_hex_color',
 763                 ) );
 764
 765                 $this->add_control( new WP_Customize_Color_Control( $this, 'background_color', array(
 766                         'label'   => __( 'Background Color' ),
 767                         'section' => 'colors',
 768                 ) ) );
 769
 770
 771                 /* Custom Header */
 772
 773                 $this->add_section( 'header_image', array(
 774                         'title'          => __( 'Header Image' ),
 775                         'theme_supports' => 'custom-header',
 776                         'priority'       => 60,
 777                 ) );
 778
 779                 $this->add_setting( new WP_Customize_Filter_Setting( $this, 'header_image', array(
 780                         'default'        => get_theme_support( 'custom-header', 'default-image' ),
 781                         'theme_supports' => 'custom-header',
 782                 ) ) );
 783
 784                 $this->add_setting( new WP_Customize_Header_Image_Setting( $this, 'header_image_data', array(
 785                         // 'default'        => get_theme_support( 'custom-header', 'default-image' ),
 786                         'theme_supports' => 'custom-header',
 787                 ) ) );
 788
 789                 $this->add_control( new WP_Customize_Header_Image_Control( $this ) );
 790
 791                 /* Custom Background */
 792
 793                 $this->add_section( 'background_image', array(
 794                         'title'          => __( 'Background Image' ),
 795                         'theme_supports' => 'custom-background',
 796                         'priority'       => 80,
 797                 ) );
 798
 799                 $this->add_setting( 'background_image', array(
 800                         'default'        => get_theme_support( 'custom-background', 'default-image' ),
 801                         'theme_supports' => 'custom-background',
 802                 ) );
 803
 804                 $this->add_setting( new WP_Customize_Background_Image_Setting( $this, 'background_image_thumb', array(
 805                         'theme_supports' => 'custom-background',
 806                 ) ) );
 807
 808                 $this->add_control( new WP_Customize_Background_Image_Control( $this ) );
 809
 810                 $this->add_setting( 'background_repeat', array(
 811                         'default'        => 'repeat',
 812                         'theme_supports' => 'custom-background',
 813                 ) );
 814
 815                 $this->add_control( 'background_repeat', array(
 816                         'label'      => __( 'Background Repeat' ),
 817                         'section'    => 'background_image',
 818                         'type'       => 'radio',
 819                         'choices'    => array(
 820                                 'no-repeat'  => __('No Repeat'),
 821                                 'repeat'     => __('Tile'),
 822                                 'repeat-x'   => __('Tile Horizontally'),
 823                                 'repeat-y'   => __('Tile Vertically'),
 824                         ),
 825                 ) );
 826
 827                 $this->add_setting( 'background_position_x', array(
 828                         'default'        => 'left',
 829                         'theme_supports' => 'custom-background',
 830                 ) );
 831
 832                 $this->add_control( 'background_position_x', array(
 833                         'label'      => __( 'Background Position' ),
 834                         'section'    => 'background_image',
 835                         'type'       => 'radio',
 836                         'choices'    => array(
 837                                 'left'       => __('Left'),
 838                                 'center'     => __('Center'),
 839                                 'right'      => __('Right'),
 840                         ),
 841                 ) );
 842
 843                 $this->add_setting( 'background_attachment', array(
 844                         'default'        => 'fixed',
 845                         'theme_supports' => 'custom-background',
 846                 ) );
 847
 848                 $this->add_control( 'background_attachment', array(
 849                         'label'      => __( 'Background Attachment' ),
 850                         'section'    => 'background_image',
 851                         'type'       => 'radio',
 852                         'choices'    => array(
 853                                 'fixed'      => __('Fixed'),
 854                                 'scroll'     => __('Scroll'),
 855                         ),
 856                 ) );
 857
 858                 // If the theme is using the default background callback, we can update
 859                 // the background CSS using postMessage.
 860                 if ( get_theme_support( 'custom-background', 'wp-head-callback' ) === '_custom_background_cb' ) {
 861                         foreach ( array( 'color', 'image', 'position_x', 'repeat', 'attachment' ) as $prop ) {
 862                                 $this->get_setting( 'background_' . $prop )->transport = 'postMessage';
 863                         }
 864                 }
 865
 866                 /* Nav Menus */
 867
 868                 $locations      = get_registered_nav_menus();
 869                 $menus          = wp_get_nav_menus();
 870                 $menu_locations = get_nav_menu_locations();
 871                 $num_locations  = count( array_keys( $locations ) );
 872
 873                 $this->add_section( 'nav', array(
 874                         'title'          => __( 'Navigation' ),
 875                         'theme_supports' => 'menus',
 876                         'priority'       => 100,
 877                         '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.'),
 878                 ) );
 879
 880                 if ( $menus ) {
 881                         $choices = array( 0 => __( '&mdash; Select &mdash;' ) );
 882                         foreach ( $menus as $menu ) {
 883                                 $truncated_name = wp_html_excerpt( $menu->name, 40 );
 884                                 $truncated_name = ( $truncated_name == $menu->name ) ? $menu->name : trim( $truncated_name ) . '&hellip;';
 885                                 $choices[ $menu->term_id ] = $truncated_name;
 886                         }
 887
 888                         foreach ( $locations as $location => $description ) {
 889                                 $menu_setting_id = "nav_menu_locations[{$location}]";
 890
 891                                 $this->add_setting( $menu_setting_id, array(
 892                                         'sanitize_callback' => 'absint',
 893                                         'theme_supports'    => 'menus',
 894                                 ) );
 895
 896                                 $this->add_control( $menu_setting_id, array(
 897                                         'label'   => $description,
 898                                         'section' => 'nav',
 899                                         'type'    => 'select',
 900                                         'choices' => $choices,
 901                                 ) );
 902                         }
 903                 }
 904
 905                 /* Static Front Page */
 906                 // #WP19627
 907
 908                 $this->add_section( 'static_front_page', array(
 909                         'title'          => __( 'Static Front Page' ),
 910                 //      'theme_supports' => 'static-front-page',
 911                         'priority'       => 120,
 912                         'description'    => __( 'Your theme supports a static front page.' ),
 913                 ) );
 914
 915                 $this->add_setting( 'show_on_front', array(
 916                         'default'        => get_option( 'show_on_front' ),
 917                         'capability'     => 'manage_options',
 918                         'type'           => 'option',
 919                 //      'theme_supports' => 'static-front-page',
 920                 ) );
 921
 922                 $this->add_control( 'show_on_front', array(
 923                         'label'   => __( 'Front page displays' ),
 924                         'section' => 'static_front_page',
 925                         'type'    => 'radio',
 926                         'choices' => array(
 927                                 'posts' => __( 'Your latest posts' ),
 928                                 'page'  => __( 'A static page' ),
 929                         ),
 930                 ) );
 931
 932                 $this->add_setting( 'page_on_front', array(
 933                         'type'       => 'option',
 934                         'capability' => 'manage_options',
 935                 //      'theme_supports' => 'static-front-page',
 936                 ) );
 937
 938                 $this->add_control( 'page_on_front', array(
 939                         'label'      => __( 'Front page' ),
 940                         'section'    => 'static_front_page',
 941                         'type'       => 'dropdown-pages',
 942                 ) );
 943
 944                 $this->add_setting( 'page_for_posts', array(
 945                         'type'           => 'option',
 946                         'capability'     => 'manage_options',
 947                 //      'theme_supports' => 'static-front-page',
 948                 ) );
 949
 950                 $this->add_control( 'page_for_posts', array(
 951                         'label'      => __( 'Posts page' ),
 952                         'section'    => 'static_front_page',
 953                         'type'       => 'dropdown-pages',
 954                 ) );
 955         }
 956
 957         /**
 958          * Callback for validating the header_textcolor value.
 959          *
 960          * Accepts 'blank', and otherwise uses sanitize_hex_color_no_hash().
 961          *
 962          * @since 3.4.0
 963          */
 964         public function _sanitize_header_textcolor( $color ) {
 965                 return ( 'blank' === $color ) ? 'blank' : sanitize_hex_color_no_hash( $color );
 966         }
 967 };
 968
 969 /**
 970  * Validates a hex color.
 971  *
 972  * Returns either '', a 3 or 6 digit hex color (with #), or null.
 973  * For validating values without a #, see sanitize_hex_color_no_hash().
 974  *
 975  * @since 3.4.0
 976  */
 977 function sanitize_hex_color( $color ) {
 978         if ( '' === $color )
 979                 return '';
 980
 981         // 3 or 6 hex digits, or the empty string.
 982         if ( preg_match('|^#([A-Fa-f0-9]{3}){1,2}$|', $color ) )
 983                 return $color;
 984
 985         return null;
 986 }
 987
 988 /**
 989  * Sanitizes a hex color without a hash. Use sanitize_hex_color() when possible.
 990  *
 991  * Saving hex colors without a hash puts the burden of adding the hash on the
 992  * UI, which makes it difficult to use or upgrade to other color types such as
 993  * rgba, hsl, rgb, and html color names.
 994  *
 995  * Returns either '', a 3 or 6 digit hex color (without a #), or null.
 996  *
 997  * @since 3.4.0
 998  */
 999 function sanitize_hex_color_no_hash( $color ) {
1000         $color = ltrim( $color, '#' );
1001
1002         if ( '' === $color )
1003                 return '';
1004
1005         return sanitize_hex_color( '#' . $color ) ? $color : null;
1006 }
1007
1008 /**
1009  * Ensures that any hex color is properly hashed.
1010  * Otherwise, returns value untouched.
1011  *
1012  * This method should only be necessary if using sanitize_hex_color_no_hash().
1013  *
1014  * @since 3.4.0
1015  */
1016 function maybe_hash_hex_color( $color ) {
1017         if ( $unhashed = sanitize_hex_color_no_hash( $color ) )
1018                 return '#' . $unhashed;
1019
1020         return $color;
1021 }