wp/wp-includes/class-wp-customize-control.php
changeset 0 d970ebf37754
child 5 5e2f62d02dcd
equal deleted inserted replaced
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     1 <?php
       
     2 /**
       
     3  * Customize Control Class
       
     4  *
       
     5  * @package WordPress
       
     6  * @subpackage Customize
       
     7  * @since 3.4.0
       
     8  */
       
     9 class WP_Customize_Control {
       
    10 	/**
       
    11 	 * @access public
       
    12 	 * @var WP_Customize_Manager
       
    13 	 */
       
    14 	public $manager;
       
    15 
       
    16 	/**
       
    17 	 * @access public
       
    18 	 * @var string
       
    19 	 */
       
    20 	public $id;
       
    21 
       
    22 	/**
       
    23 	 * All settings tied to the control.
       
    24 	 *
       
    25 	 * @access public
       
    26 	 * @var array
       
    27 	 */
       
    28 	public $settings;
       
    29 
       
    30 	/**
       
    31 	 * The primary setting for the control (if there is one).
       
    32 	 *
       
    33 	 * @access public
       
    34 	 * @var string
       
    35 	 */
       
    36 	public $setting = 'default';
       
    37 
       
    38 	/**
       
    39 	 * @access public
       
    40 	 * @var int
       
    41 	 */
       
    42 	public $priority          = 10;
       
    43 
       
    44 	/**
       
    45 	 * @access public
       
    46 	 * @var string
       
    47 	 */
       
    48 	public $section           = '';
       
    49 
       
    50 	/**
       
    51 	 * @access public
       
    52 	 * @var string
       
    53 	 */
       
    54 	public $label             = '';
       
    55 
       
    56 	/**
       
    57 	 * @todo: Remove choices
       
    58 	 *
       
    59 	 * @access public
       
    60 	 * @var array
       
    61 	 */
       
    62 	public $choices           = array();
       
    63 
       
    64 	/**
       
    65 	 * @access public
       
    66 	 * @var array
       
    67 	 */
       
    68 	public $json = array();
       
    69 
       
    70 	/**
       
    71 	 * @access public
       
    72 	 * @var string
       
    73 	 */
       
    74 	public $type = 'text';
       
    75 
       
    76 
       
    77 	/**
       
    78 	 * Constructor.
       
    79 	 *
       
    80 	 * If $args['settings'] is not defined, use the $id as the setting ID.
       
    81 	 *
       
    82 	 * @since 3.4.0
       
    83 	 *
       
    84 	 * @param WP_Customize_Manager $manager
       
    85 	 * @param string $id
       
    86 	 * @param array $args
       
    87 	 */
       
    88 	function __construct( $manager, $id, $args = array() ) {
       
    89 		$keys = array_keys( get_object_vars( $this ) );
       
    90 		foreach ( $keys as $key ) {
       
    91 			if ( isset( $args[ $key ] ) )
       
    92 				$this->$key = $args[ $key ];
       
    93 		}
       
    94 
       
    95 		$this->manager = $manager;
       
    96 		$this->id = $id;
       
    97 
       
    98 
       
    99 		// Process settings.
       
   100 		if ( empty( $this->settings ) )
       
   101 			$this->settings = $id;
       
   102 
       
   103 		$settings = array();
       
   104 		if ( is_array( $this->settings ) ) {
       
   105 			foreach ( $this->settings as $key => $setting ) {
       
   106 				$settings[ $key ] = $this->manager->get_setting( $setting );
       
   107 			}
       
   108 		} else {
       
   109 			$this->setting = $this->manager->get_setting( $this->settings );
       
   110 			$settings['default'] = $this->setting;
       
   111 		}
       
   112 		$this->settings = $settings;
       
   113 	}
       
   114 
       
   115 	/**
       
   116 	 * Enqueue control related scripts/styles.
       
   117 	 *
       
   118 	 * @since 3.4.0
       
   119 	 */
       
   120 	public function enqueue() {}
       
   121 
       
   122 
       
   123 	/**
       
   124 	 * Fetch a setting's value.
       
   125 	 * Grabs the main setting by default.
       
   126 	 *
       
   127 	 * @since 3.4.0
       
   128 	 *
       
   129 	 * @param string $setting_key
       
   130 	 * @return mixed The requested setting's value, if the setting exists.
       
   131 	 */
       
   132 	public final function value( $setting_key = 'default' ) {
       
   133 		if ( isset( $this->settings[ $setting_key ] ) )
       
   134 			return $this->settings[ $setting_key ]->value();
       
   135 	}
       
   136 
       
   137 	/**
       
   138 	 * Refresh the parameters passed to the JavaScript via JSON.
       
   139 	 *
       
   140 	 * @since 3.4.0
       
   141 	 */
       
   142 	public function to_json() {
       
   143 		$this->json['settings'] = array();
       
   144 		foreach ( $this->settings as $key => $setting ) {
       
   145 			$this->json['settings'][ $key ] = $setting->id;
       
   146 		}
       
   147 
       
   148 		$this->json['type'] = $this->type;
       
   149 	}
       
   150 
       
   151 	/**
       
   152 	 * Check if the theme supports the control and check user capabilities.
       
   153 	 *
       
   154 	 * @since 3.4.0
       
   155 	 *
       
   156 	 * @return bool False if theme doesn't support the control or user doesn't have the required permissions, otherwise true.
       
   157 	 */
       
   158 	public final function check_capabilities() {
       
   159 		foreach ( $this->settings as $setting ) {
       
   160 			if ( ! $setting->check_capabilities() )
       
   161 				return false;
       
   162 		}
       
   163 
       
   164 		$section = $this->manager->get_section( $this->section );
       
   165 		if ( isset( $section ) && ! $section->check_capabilities() )
       
   166 			return false;
       
   167 
       
   168 		return true;
       
   169 	}
       
   170 
       
   171 	/**
       
   172 	 * Check capabilities and render the control.
       
   173 	 *
       
   174 	 * @since 3.4.0
       
   175 	 * @uses WP_Customize_Control::render()
       
   176 	 */
       
   177 	public final function maybe_render() {
       
   178 		if ( ! $this->check_capabilities() )
       
   179 			return;
       
   180 
       
   181 		do_action( 'customize_render_control', $this );
       
   182 		do_action( 'customize_render_control_' . $this->id, $this );
       
   183 
       
   184 		$this->render();
       
   185 	}
       
   186 
       
   187 	/**
       
   188 	 * Render the control. Renders the control wrapper, then calls $this->render_content().
       
   189 	 *
       
   190 	 * @since 3.4.0
       
   191 	 */
       
   192 	protected function render() {
       
   193 		$id    = 'customize-control-' . str_replace( '[', '-', str_replace( ']', '', $this->id ) );
       
   194 		$class = 'customize-control customize-control-' . $this->type;
       
   195 
       
   196 		?><li id="<?php echo esc_attr( $id ); ?>" class="<?php echo esc_attr( $class ); ?>">
       
   197 			<?php $this->render_content(); ?>
       
   198 		</li><?php
       
   199 	}
       
   200 
       
   201 	/**
       
   202 	 * Get the data link parameter for a setting.
       
   203 	 *
       
   204 	 * @since 3.4.0
       
   205 	 *
       
   206 	 * @param string $setting_key
       
   207 	 * @return string Data link parameter, if $setting_key is a valid setting, empty string otherwise.
       
   208 	 */
       
   209 	public function get_link( $setting_key = 'default' ) {
       
   210 		if ( ! isset( $this->settings[ $setting_key ] ) )
       
   211 			return '';
       
   212 
       
   213 		return 'data-customize-setting-link="' . esc_attr( $this->settings[ $setting_key ]->id ) . '"';
       
   214 	}
       
   215 
       
   216 	/**
       
   217 	 * Render the data link parameter for a setting
       
   218 	 *
       
   219 	 * @since 3.4.0
       
   220 	 * @uses WP_Customize_Control::get_link()
       
   221 	 *
       
   222 	 * @param string $setting_key
       
   223 	 */
       
   224 	public function link( $setting_key = 'default' ) {
       
   225 		echo $this->get_link( $setting_key );
       
   226 	}
       
   227 
       
   228 	/**
       
   229 	 * Render the control's content.
       
   230 	 *
       
   231 	 * Allows the content to be overriden without having to rewrite the wrapper.
       
   232 	 *
       
   233 	 * @since 3.4.0
       
   234 	 */
       
   235 	protected function render_content() {
       
   236 		switch( $this->type ) {
       
   237 			case 'text':
       
   238 				?>
       
   239 				<label>
       
   240 					<span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
       
   241 					<input type="text" value="<?php echo esc_attr( $this->value() ); ?>" <?php $this->link(); ?> />
       
   242 				</label>
       
   243 				<?php
       
   244 				break;
       
   245 			case 'checkbox':
       
   246 				?>
       
   247 				<label>
       
   248 					<input type="checkbox" value="<?php echo esc_attr( $this->value() ); ?>" <?php $this->link(); checked( $this->value() ); ?> />
       
   249 					<?php echo esc_html( $this->label ); ?>
       
   250 				</label>
       
   251 				<?php
       
   252 				break;
       
   253 			case 'radio':
       
   254 				if ( empty( $this->choices ) )
       
   255 					return;
       
   256 
       
   257 				$name = '_customize-radio-' . $this->id;
       
   258 
       
   259 				?>
       
   260 				<span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
       
   261 				<?php
       
   262 				foreach ( $this->choices as $value => $label ) :
       
   263 					?>
       
   264 					<label>
       
   265 						<input type="radio" value="<?php echo esc_attr( $value ); ?>" name="<?php echo esc_attr( $name ); ?>" <?php $this->link(); checked( $this->value(), $value ); ?> />
       
   266 						<?php echo esc_html( $label ); ?><br/>
       
   267 					</label>
       
   268 					<?php
       
   269 				endforeach;
       
   270 				break;
       
   271 			case 'select':
       
   272 				if ( empty( $this->choices ) )
       
   273 					return;
       
   274 
       
   275 				?>
       
   276 				<label>
       
   277 					<span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
       
   278 					<select <?php $this->link(); ?>>
       
   279 						<?php
       
   280 						foreach ( $this->choices as $value => $label )
       
   281 							echo '<option value="' . esc_attr( $value ) . '"' . selected( $this->value(), $value, false ) . '>' . $label . '</option>';
       
   282 						?>
       
   283 					</select>
       
   284 				</label>
       
   285 				<?php
       
   286 				break;
       
   287 			case 'dropdown-pages':
       
   288 				$dropdown = wp_dropdown_pages(
       
   289 					array(
       
   290 						'name'              => '_customize-dropdown-pages-' . $this->id,
       
   291 						'echo'              => 0,
       
   292 						'show_option_none'  => __( '&mdash; Select &mdash;' ),
       
   293 						'option_none_value' => '0',
       
   294 						'selected'          => $this->value(),
       
   295 					)
       
   296 				);
       
   297 
       
   298 				// Hackily add in the data link parameter.
       
   299 				$dropdown = str_replace( '<select', '<select ' . $this->get_link(), $dropdown );
       
   300 
       
   301 				printf(
       
   302 					'<label class="customize-control-select"><span class="customize-control-title">%s</span> %s</label>',
       
   303 					$this->label,
       
   304 					$dropdown
       
   305 				);
       
   306 				break;
       
   307 		}
       
   308 	}
       
   309 }
       
   310 
       
   311 /**
       
   312  * Customize Color Control Class
       
   313  *
       
   314  * @package WordPress
       
   315  * @subpackage Customize
       
   316  * @since 3.4.0
       
   317  */
       
   318 class WP_Customize_Color_Control extends WP_Customize_Control {
       
   319 	/**
       
   320 	 * @access public
       
   321 	 * @var string
       
   322 	 */
       
   323 	public $type = 'color';
       
   324 
       
   325 	/**
       
   326 	 * @access public
       
   327 	 * @var array
       
   328 	 */
       
   329 	public $statuses;
       
   330 
       
   331 	/**
       
   332 	 * Constructor.
       
   333 	 *
       
   334 	 * If $args['settings'] is not defined, use the $id as the setting ID.
       
   335 	 *
       
   336 	 * @since 3.4.0
       
   337 	 * @uses WP_Customize_Control::__construct()
       
   338 	 *
       
   339 	 * @param WP_Customize_Manager $manager
       
   340 	 * @param string $id
       
   341 	 * @param array $args
       
   342 	 */
       
   343 	public function __construct( $manager, $id, $args = array() ) {
       
   344 		$this->statuses = array( '' => __('Default') );
       
   345 		parent::__construct( $manager, $id, $args );
       
   346 	}
       
   347 
       
   348 	/**
       
   349 	 * Enqueue control related scripts/styles.
       
   350 	 *
       
   351 	 * @since 3.4.0
       
   352 	 */
       
   353 	public function enqueue() {
       
   354 		wp_enqueue_script( 'wp-color-picker' );
       
   355 		wp_enqueue_style( 'wp-color-picker' );
       
   356 	}
       
   357 
       
   358 	/**
       
   359 	 * Refresh the parameters passed to the JavaScript via JSON.
       
   360 	 *
       
   361 	 * @since 3.4.0
       
   362 	 * @uses WP_Customize_Control::to_json()
       
   363 	 */
       
   364 	public function to_json() {
       
   365 		parent::to_json();
       
   366 		$this->json['statuses'] = $this->statuses;
       
   367 	}
       
   368 
       
   369 	/**
       
   370 	 * Render the control's content.
       
   371 	 *
       
   372 	 * @since 3.4.0
       
   373 	 */
       
   374 	public function render_content() {
       
   375 		$this_default = $this->setting->default;
       
   376 		$default_attr = '';
       
   377 		if ( $this_default ) {
       
   378 			if ( false === strpos( $this_default, '#' ) )
       
   379 				$this_default = '#' . $this_default;
       
   380 			$default_attr = ' data-default-color="' . esc_attr( $this_default ) . '"';
       
   381 		}
       
   382 		// The input's value gets set by JS. Don't fill it.
       
   383 		?>
       
   384 		<label>
       
   385 			<span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
       
   386 			<div class="customize-control-content">
       
   387 				<input class="color-picker-hex" type="text" maxlength="7" placeholder="<?php esc_attr_e( 'Hex Value' ); ?>"<?php echo $default_attr; ?> />
       
   388 			</div>
       
   389 		</label>
       
   390 		<?php
       
   391 	}
       
   392 }
       
   393 
       
   394 /**
       
   395  * Customize Upload Control Class
       
   396  *
       
   397  * @package WordPress
       
   398  * @subpackage Customize
       
   399  * @since 3.4.0
       
   400  */
       
   401 class WP_Customize_Upload_Control extends WP_Customize_Control {
       
   402 	public $type    = 'upload';
       
   403 	public $removed = '';
       
   404 	public $context;
       
   405 	public $extensions = array();
       
   406 
       
   407 	/**
       
   408 	 * Enqueue control related scripts/styles.
       
   409 	 *
       
   410 	 * @since 3.4.0
       
   411 	 */
       
   412 	public function enqueue() {
       
   413 		wp_enqueue_script( 'wp-plupload' );
       
   414 	}
       
   415 
       
   416 	/**
       
   417 	 * Refresh the parameters passed to the JavaScript via JSON.
       
   418 	 *
       
   419 	 * @since 3.4.0
       
   420 	 * @uses WP_Customize_Control::to_json()
       
   421 	 */
       
   422 	public function to_json() {
       
   423 		parent::to_json();
       
   424 
       
   425 		$this->json['removed'] = $this->removed;
       
   426 
       
   427 		if ( $this->context )
       
   428 			$this->json['context'] = $this->context;
       
   429 
       
   430 		if ( $this->extensions )
       
   431 			$this->json['extensions'] = implode( ',', $this->extensions );
       
   432 	}
       
   433 
       
   434 	/**
       
   435 	 * Render the control's content.
       
   436 	 *
       
   437 	 * @since 3.4.0
       
   438 	 */
       
   439 	public function render_content() {
       
   440 		?>
       
   441 		<label>
       
   442 			<span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
       
   443 			<div>
       
   444 				<a href="#" class="button-secondary upload"><?php _e( 'Upload' ); ?></a>
       
   445 				<a href="#" class="remove"><?php _e( 'Remove' ); ?></a>
       
   446 			</div>
       
   447 		</label>
       
   448 		<?php
       
   449 	}
       
   450 }
       
   451 
       
   452 /**
       
   453  * Customize Image Control Class
       
   454  *
       
   455  * @package WordPress
       
   456  * @subpackage Customize
       
   457  * @since 3.4.0
       
   458  */
       
   459 class WP_Customize_Image_Control extends WP_Customize_Upload_Control {
       
   460 	public $type = 'image';
       
   461 	public $get_url;
       
   462 	public $statuses;
       
   463 	public $extensions = array( 'jpg', 'jpeg', 'gif', 'png' );
       
   464 
       
   465 	protected $tabs = array();
       
   466 
       
   467 	/**
       
   468 	 * Constructor.
       
   469 	 *
       
   470 	 * If $args['settings'] is not defined, use the $id as the setting ID.
       
   471 	 *
       
   472 	 * @since 3.4.0
       
   473 	 * @uses WP_Customize_Upload_Control::__construct()
       
   474 	 *
       
   475 	 * @param WP_Customize_Manager $manager
       
   476 	 * @param string $id
       
   477 	 * @param array $args
       
   478 	 */
       
   479 	public function __construct( $manager, $id, $args ) {
       
   480 		$this->statuses = array( '' => __('No Image') );
       
   481 
       
   482 		parent::__construct( $manager, $id, $args );
       
   483 
       
   484 		$this->add_tab( 'upload-new', __('Upload New'), array( $this, 'tab_upload_new' ) );
       
   485 		$this->add_tab( 'uploaded',   __('Uploaded'),   array( $this, 'tab_uploaded' ) );
       
   486 
       
   487 		// Early priority to occur before $this->manager->prepare_controls();
       
   488 		add_action( 'customize_controls_init', array( $this, 'prepare_control' ), 5 );
       
   489 	}
       
   490 
       
   491 	/**
       
   492 	 * Prepares the control.
       
   493 	 *
       
   494 	 * If no tabs exist, removes the control from the manager.
       
   495 	 *
       
   496 	 * @since 3.4.2
       
   497 	 */
       
   498 	public function prepare_control() {
       
   499 		if ( ! $this->tabs )
       
   500 			$this->manager->remove_control( $this->id );
       
   501 	}
       
   502 
       
   503 	/**
       
   504 	 * Refresh the parameters passed to the JavaScript via JSON.
       
   505 	 *
       
   506 	 * @since 3.4.0
       
   507 	 * @uses WP_Customize_Upload_Control::to_json()
       
   508 	 */
       
   509 	public function to_json() {
       
   510 		parent::to_json();
       
   511 		$this->json['statuses'] = $this->statuses;
       
   512 	}
       
   513 
       
   514 	/**
       
   515 	 * Render the control's content.
       
   516 	 *
       
   517 	 * @since 3.4.0
       
   518 	 */
       
   519 	public function render_content() {
       
   520 		$src = $this->value();
       
   521 		if ( isset( $this->get_url ) )
       
   522 			$src = call_user_func( $this->get_url, $src );
       
   523 
       
   524 		?>
       
   525 		<div class="customize-image-picker">
       
   526 			<span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
       
   527 
       
   528 			<div class="customize-control-content">
       
   529 				<div class="dropdown preview-thumbnail" tabindex="0">
       
   530 					<div class="dropdown-content">
       
   531 						<?php if ( empty( $src ) ): ?>
       
   532 							<img style="display:none;" />
       
   533 						<?php else: ?>
       
   534 							<img src="<?php echo esc_url( set_url_scheme( $src ) ); ?>" />
       
   535 						<?php endif; ?>
       
   536 						<div class="dropdown-status"></div>
       
   537 					</div>
       
   538 					<div class="dropdown-arrow"></div>
       
   539 				</div>
       
   540 			</div>
       
   541 
       
   542 			<div class="library">
       
   543 				<ul>
       
   544 					<?php foreach ( $this->tabs as $id => $tab ): ?>
       
   545 						<li data-customize-tab='<?php echo esc_attr( $id ); ?>' tabindex='0'>
       
   546 							<?php echo esc_html( $tab['label'] ); ?>
       
   547 						</li>
       
   548 					<?php endforeach; ?>
       
   549 				</ul>
       
   550 				<?php foreach ( $this->tabs as $id => $tab ): ?>
       
   551 					<div class="library-content" data-customize-tab='<?php echo esc_attr( $id ); ?>'>
       
   552 						<?php call_user_func( $tab['callback'] ); ?>
       
   553 					</div>
       
   554 				<?php endforeach; ?>
       
   555 			</div>
       
   556 
       
   557 			<div class="actions">
       
   558 				<a href="#" class="remove"><?php _e( 'Remove Image' ); ?></a>
       
   559 			</div>
       
   560 		</div>
       
   561 		<?php
       
   562 	}
       
   563 
       
   564 	/**
       
   565 	 * Add a tab to the control.
       
   566 	 *
       
   567 	 * @since 3.4.0
       
   568 	 *
       
   569 	 * @param string $id
       
   570 	 * @param string $label
       
   571 	 * @param mixed $callback
       
   572 	 */
       
   573 	public function add_tab( $id, $label, $callback ) {
       
   574 		$this->tabs[ $id ] = array(
       
   575 			'label'    => $label,
       
   576 			'callback' => $callback,
       
   577 		);
       
   578 	}
       
   579 
       
   580 	/**
       
   581 	 * Remove a tab from the control.
       
   582 	 *
       
   583 	 * @since 3.4.0
       
   584 	 *
       
   585 	 * @param string $id
       
   586 	 */
       
   587 	public function remove_tab( $id ) {
       
   588 		unset( $this->tabs[ $id ] );
       
   589 	}
       
   590 
       
   591 	/**
       
   592 	 * @since 3.4.0
       
   593 	 */
       
   594 	public function tab_upload_new() {
       
   595 		if ( ! _device_can_upload() ) {
       
   596 			echo '<p>' . sprintf( __('The web browser on your device cannot be used to upload files. You may be able to use the <a href="%s">native app for your device</a> instead.'), 'http://wordpress.org/mobile/' ) . '</p>';
       
   597 		} else {
       
   598 			?>
       
   599 			<div class="upload-dropzone">
       
   600 				<?php _e('Drop a file here or <a href="#" class="upload">select a file</a>.'); ?>
       
   601 			</div>
       
   602 			<div class="upload-fallback">
       
   603 				<span class="button-secondary"><?php _e('Select File'); ?></span>
       
   604 			</div>
       
   605 			<?php
       
   606 		}
       
   607 	}
       
   608 
       
   609 	/**
       
   610 	 * @since 3.4.0
       
   611 	 */
       
   612 	public function tab_uploaded() {
       
   613 		?>
       
   614 		<div class="uploaded-target"></div>
       
   615 		<?php
       
   616 	}
       
   617 
       
   618 	/**
       
   619 	 * @since 3.4.0
       
   620 	 *
       
   621 	 * @param string $url
       
   622 	 * @param string $thumbnail_url
       
   623 	 */
       
   624 	public function print_tab_image( $url, $thumbnail_url = null ) {
       
   625 		$url = set_url_scheme( $url );
       
   626 		$thumbnail_url = ( $thumbnail_url ) ? set_url_scheme( $thumbnail_url ) : $url;
       
   627 		?>
       
   628 		<a href="#" class="thumbnail" data-customize-image-value="<?php echo esc_url( $url ); ?>">
       
   629 			<img src="<?php echo esc_url( $thumbnail_url ); ?>" />
       
   630 		</a>
       
   631 		<?php
       
   632 	}
       
   633 }
       
   634 
       
   635 /**
       
   636  * Customize Background Image Control Class
       
   637  *
       
   638  * @package WordPress
       
   639  * @subpackage Customize
       
   640  * @since 3.4.0
       
   641  */
       
   642 class WP_Customize_Background_Image_Control extends WP_Customize_Image_Control {
       
   643 
       
   644 	/**
       
   645 	 * Constructor.
       
   646 	 *
       
   647 	 * @since 3.4.0
       
   648 	 * @uses WP_Customize_Image_Control::__construct()
       
   649 	 *
       
   650 	 * @param WP_Customize_Manager $manager
       
   651 	 */
       
   652 	public function __construct( $manager ) {
       
   653 		parent::__construct( $manager, 'background_image', array(
       
   654 			'label'    => __( 'Background Image' ),
       
   655 			'section'  => 'background_image',
       
   656 			'context'  => 'custom-background',
       
   657 			'get_url'  => 'get_background_image',
       
   658 		) );
       
   659 
       
   660 		if ( $this->setting->default )
       
   661 			$this->add_tab( 'default',  __('Default'),  array( $this, 'tab_default_background' ) );
       
   662 	}
       
   663 
       
   664 	/**
       
   665 	 * @since 3.4.0
       
   666 	 */
       
   667 	public function tab_uploaded() {
       
   668 		$backgrounds = get_posts( array(
       
   669 			'post_type'  => 'attachment',
       
   670 			'meta_key'   => '_wp_attachment_is_custom_background',
       
   671 			'meta_value' => $this->manager->get_stylesheet(),
       
   672 			'orderby'    => 'none',
       
   673 			'nopaging'   => true,
       
   674 		) );
       
   675 
       
   676 		?><div class="uploaded-target"></div><?php
       
   677 
       
   678 		if ( empty( $backgrounds ) )
       
   679 			return;
       
   680 
       
   681 		foreach ( (array) $backgrounds as $background )
       
   682 			$this->print_tab_image( esc_url_raw( $background->guid ) );
       
   683 	}
       
   684 
       
   685 	/**
       
   686 	 * @since 3.4.0
       
   687 	 * @uses WP_Customize_Image_Control::print_tab_image()
       
   688 	 */
       
   689 	public function tab_default_background() {
       
   690 		$this->print_tab_image( $this->setting->default );
       
   691 	}
       
   692 }
       
   693 
       
   694 /**
       
   695  * Customize Header Image Control Class
       
   696  *
       
   697  * @package WordPress
       
   698  * @subpackage Customize
       
   699  * @since 3.4.0
       
   700  */
       
   701 class WP_Customize_Header_Image_Control extends WP_Customize_Image_Control {
       
   702 	/**
       
   703 	 * The processed default headers.
       
   704 	 * @since 3.4.2
       
   705 	 * @var array
       
   706 	 */
       
   707 	protected $default_headers;
       
   708 
       
   709 	/**
       
   710 	 * The uploaded headers.
       
   711 	 * @since 3.4.2
       
   712 	 * @var array
       
   713 	 */
       
   714 	protected $uploaded_headers;
       
   715 
       
   716 	/**
       
   717 	 * Constructor.
       
   718 	 *
       
   719 	 * @since 3.4.0
       
   720 	 * @uses WP_Customize_Image_Control::__construct()
       
   721 	 * @uses WP_Customize_Image_Control::add_tab()
       
   722 	 *
       
   723 	 * @param WP_Customize_Manager $manager
       
   724 	 */
       
   725 	public function __construct( $manager ) {
       
   726 		parent::__construct( $manager, 'header_image', array(
       
   727 			'label'    => __( 'Header Image' ),
       
   728 			'settings' => array(
       
   729 				'default' => 'header_image',
       
   730 				'data'    => 'header_image_data',
       
   731 			),
       
   732 			'section'  => 'header_image',
       
   733 			'context'  => 'custom-header',
       
   734 			'removed'  => 'remove-header',
       
   735 			'get_url'  => 'get_header_image',
       
   736 			'statuses' => array(
       
   737 				''                      => __('Default'),
       
   738 				'remove-header'         => __('No Image'),
       
   739 				'random-default-image'  => __('Random Default Image'),
       
   740 				'random-uploaded-image' => __('Random Uploaded Image'),
       
   741 			)
       
   742 		) );
       
   743 
       
   744 		// Remove the upload tab.
       
   745 		$this->remove_tab( 'upload-new' );
       
   746 	}
       
   747 
       
   748 	/**
       
   749 	 * Prepares the control.
       
   750 	 *
       
   751 	 * If no tabs exist, removes the control from the manager.
       
   752 	 *
       
   753 	 * @since 3.4.2
       
   754 	 */
       
   755 	public function prepare_control() {
       
   756 		global $custom_image_header;
       
   757 		if ( empty( $custom_image_header ) )
       
   758 			return parent::prepare_control();
       
   759 
       
   760 		// Process default headers and uploaded headers.
       
   761 		$custom_image_header->process_default_headers();
       
   762 		$this->default_headers = $custom_image_header->default_headers;
       
   763 		$this->uploaded_headers = get_uploaded_header_images();
       
   764 
       
   765 		if ( $this->default_headers )
       
   766 			$this->add_tab( 'default',  __('Default'),  array( $this, 'tab_default_headers' ) );
       
   767 
       
   768 		if ( ! $this->uploaded_headers )
       
   769 			$this->remove_tab( 'uploaded' );
       
   770 
       
   771 		return parent::prepare_control();
       
   772 	}
       
   773 
       
   774 	/**
       
   775 	 * @since 3.4.0
       
   776 	 *
       
   777 	 * @param mixed $choice Which header image to select. (@see Custom_Image_Header::get_header_image() )
       
   778 	 * @param array $header
       
   779 	 */
       
   780 	public function print_header_image( $choice, $header ) {
       
   781 		$header['url']           = set_url_scheme( $header['url'] );
       
   782 		$header['thumbnail_url'] = set_url_scheme( $header['thumbnail_url'] );
       
   783 
       
   784 		$header_image_data = array( 'choice' => $choice );
       
   785 		foreach ( array( 'attachment_id', 'width', 'height', 'url', 'thumbnail_url' ) as $key ) {
       
   786 			if ( isset( $header[ $key ] ) )
       
   787 				$header_image_data[ $key ] = $header[ $key ];
       
   788 		}
       
   789 
       
   790 
       
   791 		?>
       
   792 		<a href="#" class="thumbnail"
       
   793 			data-customize-image-value="<?php echo esc_url( $header['url'] ); ?>"
       
   794 			data-customize-header-image-data="<?php echo esc_attr( json_encode( $header_image_data ) ); ?>">
       
   795 			<img src="<?php echo esc_url( $header['thumbnail_url'] ); ?>" />
       
   796 		</a>
       
   797 		<?php
       
   798 	}
       
   799 
       
   800 	/**
       
   801 	 * @since 3.4.0
       
   802 	 */
       
   803 	public function tab_uploaded() {
       
   804 		?><div class="uploaded-target"></div><?php
       
   805 
       
   806 		foreach ( $this->uploaded_headers as $choice => $header )
       
   807 			$this->print_header_image( $choice, $header );
       
   808 	}
       
   809 
       
   810 	/**
       
   811 	 * @since 3.4.0
       
   812 	 */
       
   813 	public function tab_default_headers() {
       
   814 		foreach ( $this->default_headers as $choice => $header )
       
   815 			$this->print_header_image( $choice, $header );
       
   816 	}
       
   817 }