Wordpress 4.6
[autoinstalls/wordpress.git] / wp-includes / class-wp-customize-control.php
index df440744bda37b4df7de6c9486d8762f95179d82..1920140ff0ccea917acbaf5e5b917a7ad87091ac 100644 (file)
@@ -1,12 +1,41 @@
 <?php
 /**
- * Customize Control Class
+ * WordPress Customize Control classes
  *
  * @package WordPress
  * @subpackage Customize
  * @since 3.4.0
  */
+
+/**
+ * Customize Control class.
+ *
+ * @since 3.4.0
+ */
 class WP_Customize_Control {
+
+       /**
+        * Incremented with each new class instantiation, then stored in $instance_number.
+        *
+        * Used when sorting two instances whose priorities are equal.
+        *
+        * @since 4.1.0
+        *
+        * @static
+        * @access protected
+        * @var int
+        */
+       protected static $instance_count = 0;
+
+       /**
+        * Order in which this instance was created in relation to other instances.
+        *
+        * @since 4.1.0
+        * @access public
+        * @var int
+        */
+       public $instance_number;
+
        /**
         * @access public
         * @var WP_Customize_Manager
@@ -35,6 +64,18 @@ class WP_Customize_Control {
         */
        public $setting = 'default';
 
+       /**
+        * Capability required to use this control.
+        *
+        * Normally this is empty and the capability is derived from the capabilities
+        * of the associated `$settings`.
+        *
+        * @since 4.5.0
+        * @access public
+        * @var string
+        */
+       public $capability;
+
        /**
         * @access public
         * @var int
@@ -53,6 +94,12 @@ class WP_Customize_Control {
         */
        public $label = '';
 
+       /**
+        * @access public
+        * @var string
+        */
+       public $description = '';
+
        /**
         * @todo: Remove choices
         *
@@ -65,6 +112,13 @@ class WP_Customize_Control {
         * @access public
         * @var array
         */
+       public $input_attrs = array();
+
+       /**
+        * @deprecated It is better to just call the json() method
+        * @access public
+        * @var array
+        */
        public $json = array();
 
        /**
@@ -73,40 +127,88 @@ class WP_Customize_Control {
         */
        public $type = 'text';
 
+       /**
+        * Callback.
+        *
+        * @since 4.0.0
+        * @access public
+        *
+        * @see WP_Customize_Control::active()
+        *
+        * @var callable Callback is called with one argument, the instance of
+        *               WP_Customize_Control, and returns bool to indicate whether
+        *               the control is active (such as it relates to the URL
+        *               currently being previewed).
+        */
+       public $active_callback = '';
 
        /**
         * Constructor.
         *
-        * Supplied $args override class property defaults.
+        * Supplied `$args` override class property defaults.
         *
-        * If $args['settings'] is not defined, use the $id as the setting ID.
+        * If `$args['settings']` is not defined, use the $id as the setting ID.
         *
         * @since 3.4.0
         *
-        * @param WP_Customize_Manager $manager
-        * @param string $id
-        * @param array $args
+        * @param WP_Customize_Manager $manager Customizer bootstrap instance.
+        * @param string               $id      Control ID.
+        * @param array                $args    {
+        *     Optional. Arguments to override class property defaults.
+        *
+        *     @type int                  $instance_number Order in which this instance was created in relation
+        *                                                 to other instances.
+        *     @type WP_Customize_Manager $manager         Customizer bootstrap instance.
+        *     @type string               $id              Control ID.
+        *     @type array                $settings        All settings tied to the control. If undefined, `$id` will
+        *                                                 be used.
+        *     @type string               $setting         The primary setting for the control (if there is one).
+        *                                                 Default 'default'.
+        *     @type int                  $priority        Order priority to load the control. Default 10.
+        *     @type string               $section         Section the control belongs to. Default empty.
+        *     @type string               $label           Label for the control. Default empty.
+        *     @type string               $description     Description for the control. Default empty.
+        *     @type array                $choices         List of choices for 'radio' or 'select' type controls, where
+        *                                                 values are the keys, and labels are the values.
+        *                                                 Default empty array.
+        *     @type array                $input_attrs     List of custom input attributes for control output, where
+        *                                                 attribute names are the keys and values are the values. Not
+        *                                                 used for 'checkbox', 'radio', 'select', 'textarea', or
+        *                                                 'dropdown-pages' control types. Default empty array.
+        *     @type array                $json            Deprecated. Use WP_Customize_Control::json() instead.
+        *     @type string               $type            Control type. Core controls include 'text', 'checkbox',
+        *                                                 'textarea', 'radio', 'select', and 'dropdown-pages'. Additional
+        *                                                 input types such as 'email', 'url', 'number', 'hidden', and
+        *                                                 'date' are supported implicitly. Default 'text'.
+        * }
         */
-       function __construct( $manager, $id, $args = array() ) {
+       public function __construct( $manager, $id, $args = array() ) {
                $keys = array_keys( get_object_vars( $this ) );
                foreach ( $keys as $key ) {
-                       if ( isset( $args[ $key ] ) )
+                       if ( isset( $args[ $key ] ) ) {
                                $this->$key = $args[ $key ];
+                       }
                }
 
                $this->manager = $manager;
                $this->id = $id;
+               if ( empty( $this->active_callback ) ) {
+                       $this->active_callback = array( $this, 'active_callback' );
+               }
+               self::$instance_count += 1;
+               $this->instance_number = self::$instance_count;
 
                // Process settings.
-               if ( empty( $this->settings ) )
+               if ( ! isset( $this->settings ) ) {
                        $this->settings = $id;
+               }
 
                $settings = array();
                if ( is_array( $this->settings ) ) {
                        foreach ( $this->settings as $key => $setting ) {
                                $settings[ $key ] = $this->manager->get_setting( $setting );
                        }
-               } else {
+               } else if ( is_string( $this->settings ) ) {
                        $this->setting = $this->manager->get_setting( $this->settings );
                        $settings['default'] = $this->setting;
                }
@@ -120,6 +222,45 @@ class WP_Customize_Control {
         */
        public function enqueue() {}
 
+       /**
+        * Check whether control is active to current Customizer preview.
+        *
+        * @since 4.0.0
+        * @access public
+        *
+        * @return bool Whether the control is active to the current preview.
+        */
+       final public function active() {
+               $control = $this;
+               $active = call_user_func( $this->active_callback, $this );
+
+               /**
+                * Filters response of WP_Customize_Control::active().
+                *
+                * @since 4.0.0
+                *
+                * @param bool                 $active  Whether the Customizer control is active.
+                * @param WP_Customize_Control $control WP_Customize_Control instance.
+                */
+               $active = apply_filters( 'customize_control_active', $active, $control );
+
+               return $active;
+       }
+
+       /**
+        * Default callback used when invoking WP_Customize_Control::active().
+        *
+        * Subclasses can override this with their specific logic, or they may
+        * provide an 'active_callback' argument to the constructor.
+        *
+        * @since 4.0.0
+        * @access public
+        *
+        * @return true Always true.
+        */
+       public function active_callback() {
+               return true;
+       }
 
        /**
         * Fetch a setting's value.
@@ -130,9 +271,10 @@ class WP_Customize_Control {
         * @param string $setting_key
         * @return mixed The requested setting's value, if the setting exists.
         */
-       public final function value( $setting_key = 'default' ) {
-               if ( isset( $this->settings[ $setting_key ] ) )
+       final public function value( $setting_key = 'default' ) {
+               if ( isset( $this->settings[ $setting_key ] ) ) {
                        return $this->settings[ $setting_key ]->value();
+               }
        }
 
        /**
@@ -147,35 +289,78 @@ class WP_Customize_Control {
                }
 
                $this->json['type'] = $this->type;
+               $this->json['priority'] = $this->priority;
+               $this->json['active'] = $this->active();
+               $this->json['section'] = $this->section;
+               $this->json['content'] = $this->get_content();
+               $this->json['label'] = $this->label;
+               $this->json['description'] = $this->description;
+               $this->json['instanceNumber'] = $this->instance_number;
        }
 
        /**
-        * Check if the theme supports the control and check user capabilities.
+        * Get the data to export to the client via JSON.
+        *
+        * @since 4.1.0
+        *
+        * @return array Array of parameters passed to the JavaScript.
+        */
+       public function json() {
+               $this->to_json();
+               return $this->json;
+       }
+
+       /**
+        * Checks if the user can use this control.
+        *
+        * Returns false if the user cannot manipulate one of the associated settings,
+        * or if one of the associated settings does not exist. Also returns false if
+        * the associated section does not exist or if its capability check returns
+        * false.
         *
         * @since 3.4.0
         *
         * @return bool False if theme doesn't support the control or user doesn't have the required permissions, otherwise true.
         */
-       public final function check_capabilities() {
+       final public function check_capabilities() {
+               if ( ! empty( $this->capability ) && ! current_user_can( $this->capability ) ) {
+                       return false;
+               }
+
                foreach ( $this->settings as $setting ) {
-                       if ( ! $setting->check_capabilities() )
+                       if ( ! $setting || ! $setting->check_capabilities() ) {
                                return false;
+                       }
                }
 
                $section = $this->manager->get_section( $this->section );
-               if ( isset( $section ) && ! $section->check_capabilities() )
+               if ( isset( $section ) && ! $section->check_capabilities() ) {
                        return false;
+               }
 
                return true;
        }
 
+       /**
+        * Get the control's content for insertion into the Customizer pane.
+        *
+        * @since 4.1.0
+        *
+        * @return string Contents of the control.
+        */
+       final public function get_content() {
+               ob_start();
+               $this->maybe_render();
+               return trim( ob_get_clean() );
+       }
+
        /**
         * Check capabilities and render the control.
         *
         * @since 3.4.0
         * @uses WP_Customize_Control::render()
         */
-       public final function maybe_render() {
+       final public function maybe_render() {
                if ( ! $this->check_capabilities() )
                        return;
 
@@ -191,7 +376,7 @@ class WP_Customize_Control {
                /**
                 * Fires just before a specific Customizer control is rendered.
                 *
-                * The dynamic portion of the hook name, $this->id, refers to
+                * The dynamic portion of the hook name, `$this->id`, refers to
                 * the control ID.
                 *
                 * @since 3.4.0
@@ -209,7 +394,7 @@ class WP_Customize_Control {
         * @since 3.4.0
         */
        protected function render() {
-               $id    = 'customize-control-' . str_replace( '[', '-', str_replace( ']', '', $this->id ) );
+               $id    = 'customize-control-' . str_replace( array( '[', ']' ), array( '-', '' ), $this->id );
                $class = 'customize-control customize-control-' . $this->type;
 
                ?><li id="<?php echo esc_attr( $id ); ?>" class="<?php echo esc_attr( $class ); ?>">
@@ -244,30 +429,40 @@ class WP_Customize_Control {
                echo $this->get_link( $setting_key );
        }
 
+       /**
+        * Render the custom attributes for the control's input element.
+        *
+        * @since 4.0.0
+        * @access public
+        */
+       public function input_attrs() {
+               foreach ( $this->input_attrs as $attr => $value ) {
+                       echo $attr . '="' . esc_attr( $value ) . '" ';
+               }
+       }
+
        /**
         * Render the control's content.
         *
-        * Allows the content to be overriden without having to rewrite the wrapper in $this->render().
+        * Allows the content to be overriden without having to rewrite the wrapper in `$this::render()`.
         *
-        * Supports basic input types `text`, `checkbox`, `radio`, `select` and `dropdown-pages`.
+        * Supports basic input types `text`, `checkbox`, `textarea`, `radio`, `select` and `dropdown-pages`.
+        * Additional input types such as `email`, `url`, `number`, `hidden` and `date` are supported implicitly.
+        *
+        * Control content can alternately be rendered in JS. See WP_Customize_Control::print_template().
         *
         * @since 3.4.0
         */
        protected function render_content() {
                switch( $this->type ) {
-                       case 'text':
-                               ?>
-                               <label>
-                                       <span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
-                                       <input type="text" value="<?php echo esc_attr( $this->value() ); ?>" <?php $this->link(); ?> />
-                               </label>
-                               <?php
-                               break;
                        case 'checkbox':
                                ?>
                                <label>
                                        <input type="checkbox" value="<?php echo esc_attr( $this->value() ); ?>" <?php $this->link(); checked( $this->value() ); ?> />
                                        <?php echo esc_html( $this->label ); ?>
+                                       <?php if ( ! empty( $this->description ) ) : ?>
+                                               <span class="description customize-control-description"><?php echo $this->description; ?></span>
+                                       <?php endif; ?>
                                </label>
                                <?php
                                break;
@@ -277,9 +472,13 @@ class WP_Customize_Control {
 
                                $name = '_customize-radio-' . $this->id;
 
-                               ?>
-                               <span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
-                               <?php
+                               if ( ! empty( $this->label ) ) : ?>
+                                       <span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
+                               <?php endif;
+                               if ( ! empty( $this->description ) ) : ?>
+                                       <span class="description customize-control-description"><?php echo $this->description ; ?></span>
+                               <?php endif;
+
                                foreach ( $this->choices as $value => $label ) :
                                        ?>
                                        <label>
@@ -295,7 +494,13 @@ class WP_Customize_Control {
 
                                ?>
                                <label>
-                                       <span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
+                                       <?php if ( ! empty( $this->label ) ) : ?>
+                                               <span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
+                                       <?php endif;
+                                       if ( ! empty( $this->description ) ) : ?>
+                                               <span class="description customize-control-description"><?php echo $this->description; ?></span>
+                                       <?php endif; ?>
+
                                        <select <?php $this->link(); ?>>
                                                <?php
                                                foreach ( $this->choices as $value => $label )
@@ -305,8 +510,30 @@ class WP_Customize_Control {
                                </label>
                                <?php
                                break;
+                       case 'textarea':
+                               ?>
+                               <label>
+                                       <?php if ( ! empty( $this->label ) ) : ?>
+                                               <span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
+                                       <?php endif;
+                                       if ( ! empty( $this->description ) ) : ?>
+                                               <span class="description customize-control-description"><?php echo $this->description; ?></span>
+                                       <?php endif; ?>
+                                       <textarea rows="5" <?php $this->link(); ?>><?php echo esc_textarea( $this->value() ); ?></textarea>
+                               </label>
+                               <?php
+                               break;
                        case 'dropdown-pages':
-                               $dropdown = wp_dropdown_pages(
+                               ?>
+                               <label>
+                               <?php if ( ! empty( $this->label ) ) : ?>
+                                       <span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
+                               <?php endif;
+                               if ( ! empty( $this->description ) ) : ?>
+                                       <span class="description customize-control-description"><?php echo $this->description; ?></span>
+                               <?php endif; ?>
+
+                               <?php $dropdown = wp_dropdown_pages(
                                        array(
                                                'name'              => '_customize-dropdown-pages-' . $this->id,
                                                'echo'              => 0,
@@ -318,651 +545,107 @@ class WP_Customize_Control {
 
                                // Hackily add in the data link parameter.
                                $dropdown = str_replace( '<select', '<select ' . $this->get_link(), $dropdown );
-
-                               printf(
-                                       '<label class="customize-control-select"><span class="customize-control-title">%s</span> %s</label>',
-                                       $this->label,
-                                       $dropdown
-                               );
+                               echo $dropdown;
+                               ?>
+                               </label>
+                               <?php
+                               break;
+                       default:
+                               ?>
+                               <label>
+                                       <?php if ( ! empty( $this->label ) ) : ?>
+                                               <span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
+                                       <?php endif;
+                                       if ( ! empty( $this->description ) ) : ?>
+                                               <span class="description customize-control-description"><?php echo $this->description; ?></span>
+                                       <?php endif; ?>
+                                       <input type="<?php echo esc_attr( $this->type ); ?>" <?php $this->input_attrs(); ?> value="<?php echo esc_attr( $this->value() ); ?>" <?php $this->link(); ?> />
+                               </label>
+                               <?php
                                break;
                }
        }
-}
-
-/**
- * Customize Color Control Class
- *
- * @package WordPress
- * @subpackage Customize
- * @since 3.4.0
- */
-class WP_Customize_Color_Control extends WP_Customize_Control {
-       /**
-        * @access public
-        * @var string
-        */
-       public $type = 'color';
-
-       /**
-        * @access public
-        * @var array
-        */
-       public $statuses;
-
-       /**
-        * Constructor.
-        *
-        * @since 3.4.0
-        * @uses WP_Customize_Control::__construct()
-        *
-        * @param WP_Customize_Manager $manager
-        * @param string $id
-        * @param array $args
-        */
-       public function __construct( $manager, $id, $args = array() ) {
-               $this->statuses = array( '' => __('Default') );
-               parent::__construct( $manager, $id, $args );
-       }
-
-       /**
-        * Enqueue scripts/styles for the color picker.
-        *
-        * @since 3.4.0
-        */
-       public function enqueue() {
-               wp_enqueue_script( 'wp-color-picker' );
-               wp_enqueue_style( 'wp-color-picker' );
-       }
-
-       /**
-        * Refresh the parameters passed to the JavaScript via JSON.
-        *
-        * @since 3.4.0
-        * @uses WP_Customize_Control::to_json()
-        */
-       public function to_json() {
-               parent::to_json();
-               $this->json['statuses'] = $this->statuses;
-       }
-
-       /**
-        * Render the control's content.
-        *
-        * @since 3.4.0
-        */
-       public function render_content() {
-               $this_default = $this->setting->default;
-               $default_attr = '';
-               if ( $this_default ) {
-                       if ( false === strpos( $this_default, '#' ) )
-                               $this_default = '#' . $this_default;
-                       $default_attr = ' data-default-color="' . esc_attr( $this_default ) . '"';
-               }
-               // The input's value gets set by JS. Don't fill it.
-               ?>
-               <label>
-                       <span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
-                       <div class="customize-control-content">
-                               <input class="color-picker-hex" type="text" maxlength="7" placeholder="<?php esc_attr_e( 'Hex Value' ); ?>"<?php echo $default_attr; ?> />
-                       </div>
-               </label>
-               <?php
-       }
-}
-
-/**
- * Customize Upload Control Class
- *
- * @package WordPress
- * @subpackage Customize
- * @since 3.4.0
- */
-class WP_Customize_Upload_Control extends WP_Customize_Control {
-       public $type    = 'upload';
-       public $removed = '';
-       public $context;
-       public $extensions = array();
-
-       /**
-        * Enqueue control related scripts/styles.
-        *
-        * @since 3.4.0
-        */
-       public function enqueue() {
-               wp_enqueue_script( 'wp-plupload' );
-       }
 
        /**
-        * Refresh the parameters passed to the JavaScript via JSON.
+        * Render the control's JS template.
         *
-        * @since 3.4.0
-        * @uses WP_Customize_Control::to_json()
-        */
-       public function to_json() {
-               parent::to_json();
-
-               $this->json['removed'] = $this->removed;
-
-               if ( $this->context )
-                       $this->json['context'] = $this->context;
-
-               if ( $this->extensions )
-                       $this->json['extensions'] = implode( ',', $this->extensions );
-       }
-
-       /**
-        * Render the control's content.
+        * This function is only run for control types that have been registered with
+        * WP_Customize_Manager::register_control_type().
         *
-        * @since 3.4.0
-        */
-       public function render_content() {
-               ?>
-               <label>
-                       <span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
-                       <div>
-                               <a href="#" class="button-secondary upload"><?php _e( 'Upload' ); ?></a>
-                               <a href="#" class="remove"><?php _e( 'Remove' ); ?></a>
-                       </div>
-               </label>
-               <?php
-       }
-}
-
-/**
- * Customize Image Control Class
- *
- * @package WordPress
- * @subpackage Customize
- * @since 3.4.0
- */
-class WP_Customize_Image_Control extends WP_Customize_Upload_Control {
-       public $type = 'image';
-       public $get_url;
-       public $statuses;
-       public $extensions = array( 'jpg', 'jpeg', 'gif', 'png' );
-
-       protected $tabs = array();
-
-       /**
-        * Constructor.
-        *
-        * @since 3.4.0
-        * @uses WP_Customize_Upload_Control::__construct()
-        *
-        * @param WP_Customize_Manager $manager
-        * @param string $id
-        * @param array $args
-        */
-       public function __construct( $manager, $id, $args ) {
-               $this->statuses = array( '' => __('No Image') );
-
-               parent::__construct( $manager, $id, $args );
-
-               $this->add_tab( 'upload-new', __('Upload New'), array( $this, 'tab_upload_new' ) );
-               $this->add_tab( 'uploaded',   __('Uploaded'),   array( $this, 'tab_uploaded' ) );
-
-               // Early priority to occur before $this->manager->prepare_controls();
-               add_action( 'customize_controls_init', array( $this, 'prepare_control' ), 5 );
-       }
-
-       /**
-        * Prepares the control.
-        *
-        * If no tabs exist, removes the control from the manager.
-        *
-        * @since 3.4.2
-        */
-       public function prepare_control() {
-               if ( ! $this->tabs )
-                       $this->manager->remove_control( $this->id );
-       }
-
-       /**
-        * Refresh the parameters passed to the JavaScript via JSON.
-        *
-        * @since 3.4.0
-        * @uses WP_Customize_Upload_Control::to_json()
-        */
-       public function to_json() {
-               parent::to_json();
-               $this->json['statuses'] = $this->statuses;
-       }
-
-       /**
-        * Render the control's content.
-        *
-        * @since 3.4.0
-        */
-       public function render_content() {
-               $src = $this->value();
-               if ( isset( $this->get_url ) )
-                       $src = call_user_func( $this->get_url, $src );
-
-               ?>
-               <div class="customize-image-picker">
-                       <span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
-
-                       <div class="customize-control-content">
-                               <div class="dropdown preview-thumbnail" tabindex="0">
-                                       <div class="dropdown-content">
-                                               <?php if ( empty( $src ) ): ?>
-                                                       <img style="display:none;" />
-                                               <?php else: ?>
-                                                       <img src="<?php echo esc_url( set_url_scheme( $src ) ); ?>" />
-                                               <?php endif; ?>
-                                               <div class="dropdown-status"></div>
-                                       </div>
-                                       <div class="dropdown-arrow"></div>
-                               </div>
-                       </div>
-
-                       <div class="library">
-                               <ul>
-                                       <?php foreach ( $this->tabs as $id => $tab ): ?>
-                                               <li data-customize-tab='<?php echo esc_attr( $id ); ?>' tabindex='0'>
-                                                       <?php echo esc_html( $tab['label'] ); ?>
-                                               </li>
-                                       <?php endforeach; ?>
-                               </ul>
-                               <?php foreach ( $this->tabs as $id => $tab ): ?>
-                                       <div class="library-content" data-customize-tab='<?php echo esc_attr( $id ); ?>'>
-                                               <?php call_user_func( $tab['callback'] ); ?>
-                                       </div>
-                               <?php endforeach; ?>
-                       </div>
-
-                       <div class="actions">
-                               <a href="#" class="remove"><?php _e( 'Remove Image' ); ?></a>
-                       </div>
-               </div>
-               <?php
-       }
-
-       /**
-        * Add a tab to the control.
-        *
-        * @since 3.4.0
-        *
-        * @param string $id
-        * @param string $label
-        * @param mixed $callback
-        */
-       public function add_tab( $id, $label, $callback ) {
-               $this->tabs[ $id ] = array(
-                       'label'    => $label,
-                       'callback' => $callback,
-               );
-       }
-
-       /**
-        * Remove a tab from the control.
-        *
-        * @since 3.4.0
+        * In the future, this will also print the template for the control's container
+        * element and be override-able.
         *
-        * @param string $id
+        * @since 4.1.0
         */
-       public function remove_tab( $id ) {
-               unset( $this->tabs[ $id ] );
-       }
-
-       /**
-        * @since 3.4.0
-        */
-       public function tab_upload_new() {
-               if ( ! _device_can_upload() ) {
-                       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.'), 'https://wordpress.org/mobile/' ) . '</p>';
-               } else {
-                       ?>
-                       <div class="upload-dropzone">
-                               <?php _e('Drop a file here or <a href="#" class="upload">select a file</a>.'); ?>
-                       </div>
-                       <div class="upload-fallback">
-                               <span class="button-secondary"><?php _e('Select File'); ?></span>
-                       </div>
-                       <?php
-               }
-       }
-
-       /**
-        * @since 3.4.0
-        */
-       public function tab_uploaded() {
+       final public function print_template() {
                ?>
-               <div class="uploaded-target"></div>
+               <script type="text/html" id="tmpl-customize-control-<?php echo $this->type; ?>-content">
+                       <?php $this->content_template(); ?>
+               </script>
                <?php
        }
 
        /**
-        * @since 3.4.0
+        * An Underscore (JS) template for this control's content (but not its container).
         *
-        * @param string $url
-        * @param string $thumbnail_url
-        */
-       public function print_tab_image( $url, $thumbnail_url = null ) {
-               $url = set_url_scheme( $url );
-               $thumbnail_url = ( $thumbnail_url ) ? set_url_scheme( $thumbnail_url ) : $url;
-               ?>
-               <a href="#" class="thumbnail" data-customize-image-value="<?php echo esc_url( $url ); ?>">
-                       <img src="<?php echo esc_url( $thumbnail_url ); ?>" />
-               </a>
-               <?php
-       }
-}
-
-/**
- * Customize Background Image Control Class
- *
- * @package WordPress
- * @subpackage Customize
- * @since 3.4.0
- */
-class WP_Customize_Background_Image_Control extends WP_Customize_Image_Control {
-
-       /**
-        * Constructor.
+        * Class variables for this control class are available in the `data` JS object;
+        * export custom variables by overriding WP_Customize_Control::to_json().
         *
-        * @since 3.4.0
-        * @uses WP_Customize_Image_Control::__construct()
+        * @see WP_Customize_Control::print_template()
         *
-        * @param WP_Customize_Manager $manager
-        */
-       public function __construct( $manager ) {
-               parent::__construct( $manager, 'background_image', array(
-                       'label'    => __( 'Background Image' ),
-                       'section'  => 'background_image',
-                       'context'  => 'custom-background',
-                       'get_url'  => 'get_background_image',
-               ) );
-
-               if ( $this->setting->default )
-                       $this->add_tab( 'default',  __('Default'),  array( $this, 'tab_default_background' ) );
-       }
-
-       /**
-        * @since 3.4.0
+        * @since 4.1.0
         */
-       public function tab_uploaded() {
-               $backgrounds = get_posts( array(
-                       'post_type'  => 'attachment',
-                       'meta_key'   => '_wp_attachment_is_custom_background',
-                       'meta_value' => $this->manager->get_stylesheet(),
-                       'orderby'    => 'none',
-                       'nopaging'   => true,
-               ) );
-
-               ?><div class="uploaded-target"></div><?php
+       protected function content_template() {}
 
-               if ( empty( $backgrounds ) )
-                       return;
-
-               foreach ( (array) $backgrounds as $background )
-                       $this->print_tab_image( esc_url_raw( $background->guid ) );
-       }
-
-       /**
-        * @since 3.4.0
-        * @uses WP_Customize_Image_Control::print_tab_image()
-        */
-       public function tab_default_background() {
-               $this->print_tab_image( $this->setting->default );
-       }
 }
 
-class WP_Customize_Header_Image_Control extends WP_Customize_Image_Control {
-       public $type = 'header';
-
-       public function __construct( $manager ) {
-               parent::__construct( $manager, 'header_image', array(
-                       'label'    => __( 'Header Image' ),
-                       'settings' => array(
-                               'default' => 'header_image',
-                               'data'    => 'header_image_data',
-                       ),
-                       'section'  => 'header_image',
-                       'context'  => 'custom-header',
-                       'removed'  => 'remove-header',
-                       'get_url'  => 'get_header_image',
-               ) );
+/** WP_Customize_Color_Control class */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-color-control.php' );
 
-       }
+/** WP_Customize_Media_Control class */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-media-control.php' );
 
-       public function to_json() {
-               parent::to_json();
-       }
+/** WP_Customize_Upload_Control class */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-upload-control.php' );
 
-       public function enqueue() {
-               wp_enqueue_media();
-               wp_enqueue_script( 'customize-views' );
-
-               $this->prepare_control();
-
-               wp_localize_script( 'customize-views', '_wpCustomizeHeader', array(
-                       'data' => array(
-                               'width' => absint( get_theme_support( 'custom-header', 'width' ) ),
-                               'height' => absint( get_theme_support( 'custom-header', 'height' ) ),
-                               'flex-width' => absint( get_theme_support( 'custom-header', 'flex-width' ) ),
-                               'flex-height' => absint( get_theme_support( 'custom-header', 'flex-height' ) ),
-                               'currentImgSrc' => $this->get_current_image_src(),
-                       ),
-                       'nonces' => array(
-                               'add' => wp_create_nonce( 'header-add' ),
-                               'remove' => wp_create_nonce( 'header-remove' ),
-                       ),
-                       'uploads' => $this->uploaded_headers,
-                       'defaults' => $this->default_headers
-               ) );
-
-               parent::enqueue();
-       }
+/** WP_Customize_Image_Control class */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-image-control.php' );
 
-       public function prepare_control() {
-               global $custom_image_header;
-               if ( empty( $custom_image_header ) ) {
-                       return;
-               }
+/** WP_Customize_Background_Image_Control class */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-background-image-control.php' );
 
-               // Process default headers and uploaded headers.
-               $custom_image_header->process_default_headers();
-               $this->default_headers = $custom_image_header->get_default_header_images();
-               $this->uploaded_headers = $custom_image_header->get_uploaded_header_images();
-       }
+/** WP_Customize_Cropped_Image_Control class */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-cropped-image-control.php' );
 
-       function print_header_image_template() {
-               ?>
-               <script type="text/template" id="tmpl-header-choice">
-                       <# if (data.random) { #>
-                                       <button type="button" class="button display-options random">
-                                               <span class="dashicons dashicons-randomize dice"></span>
-                                               <# if ( data.type === 'uploaded' ) { #>
-                                                       <?php _e( 'Randomize uploaded headers' ); ?>
-                                               <# } else if ( data.type === 'default' ) { #>
-                                                       <?php _e( 'Randomize suggested headers' ); ?>
-                                               <# } #>
-                                       </button>
-
-                       <# } else { #>
-
-                       <# if (data.type === 'uploaded') { #>
-                               <div class="dashicons dashicons-no close"></div>
-                       <# } #>
-
-                       <button type="button" class="choice thumbnail"
-                               data-customize-image-value="{{{data.header.url}}}"
-                               data-customize-header-image-data="{{JSON.stringify(data.header)}}">
-                               <span class="screen-reader-text"><?php _e( 'Set image' ); ?></span>
-                               <img src="{{{data.header.thumbnail_url}}}" alt="{{{data.header.alt_text || data.header.description}}}">
-                       </button>
-
-                       <# } #>
-               </script>
+/** WP_Customize_Site_Icon_Control class */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-site-icon-control.php' );
 
-               <script type="text/template" id="tmpl-header-current">
-                       <# if (data.choice) { #>
-                               <# if (data.random) { #>
-
-                       <div class="placeholder">
-                               <div class="inner">
-                                       <span><span class="dashicons dashicons-randomize dice"></span>
-                                       <# if ( data.type === 'uploaded' ) { #>
-                                               <?php _e( 'Randomizing uploaded headers' ); ?>
-                                       <# } else if ( data.type === 'default' ) { #>
-                                               <?php _e( 'Randomizing suggested headers' ); ?>
-                                       <# } #>
-                                       </span>
-                               </div>
-                       </div>
-
-                               <# } else { #>
-
-                       <img src="{{{data.header.thumbnail_url}}}" alt="{{{data.header.alt_text || data.header.description}}}" tabindex="0"/>
-
-                               <# } #>
-                       <# } else { #>
-
-                       <div class="placeholder">
-                               <div class="inner">
-                                       <span>
-                                               <?php _e( 'No image set' ); ?>
-                                       </span>
-                               </div>
-                       </div>
-
-                       <# } #>
-               </script>
-               <?php
-       }
+/** WP_Customize_Header_Image_Control class */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-header-image-control.php' );
 
-       public function get_current_image_src() {
-               $src = $this->value();
-               if ( isset( $this->get_url ) ) {
-                       $src = call_user_func( $this->get_url, $src );
-                       return $src;
-               }
-               return null;
-       }
+/** WP_Customize_Theme_Control class */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-theme-control.php' );
 
-       public function render_content() {
-               $this->print_header_image_template();
-               $visibility = $this->get_current_image_src() ? '' : ' style="display:none" ';
-               $width = absint( get_theme_support( 'custom-header', 'width' ) );
-               $height = absint( get_theme_support( 'custom-header', 'height' ) );
-               ?>
+/** WP_Widget_Area_Customize_Control class */
+require_once( ABSPATH . WPINC . '/customize/class-wp-widget-area-customize-control.php' );
 
+/** WP_Widget_Form_Customize_Control class */
+require_once( ABSPATH . WPINC . '/customize/class-wp-widget-form-customize-control.php' );
 
-               <div class="customize-control-content">
-                       <p class="customizer-section-intro">
-                               <?php
-                               if ( $width && $height ) {
-                                       printf( __( 'While you can crop images to your liking after clicking <strong>Add new</strong>, your theme recommends a header size of <strong>%s &times; %s</strong> pixels.' ), $width, $height );
-                               } elseif ( $width ) {
-                                       printf( __( 'While you can crop images to your liking after clicking <strong>Add new</strong>, your theme recommends a header width of <strong>%s</strong> pixels.' ), $width );
-                               } else {
-                                       printf( __( 'While you can crop images to your liking after clicking <strong>Add new</strong>, your theme recommends a header height of <strong>%s</strong> pixels.' ), $height );
-                               }
-                               ?>
-                       </p>
-                       <div class="current">
-                               <span class="customize-control-title">
-                                       <?php _e( 'Current header' ); ?>
-                               </span>
-                               <div class="container">
-                               </div>
-                       </div>
-                       <div class="actions">
-                               <?php /* translators: Hide as in hide header image via the Customizer */ ?>
-                               <button type="button"<?php echo $visibility ?> class="button remove"><?php _ex( 'Hide image', 'custom header' ); ?></button>
-                               <?php /* translators: New as in add new header image via the Customizer */ ?>
-                               <button type="button" class="button new"><?php _ex( 'Add new image', 'header image' ); ?></button>
-                               <div style="clear:both"></div>
-                       </div>
-                       <div class="choices">
-                               <span class="customize-control-title header-previously-uploaded">
-                                       <?php _ex( 'Previously uploaded', 'custom headers' ); ?>
-                               </span>
-                               <div class="uploaded">
-                                       <div class="list">
-                                       </div>
-                               </div>
-                               <span class="customize-control-title header-default">
-                                       <?php _ex( 'Suggested', 'custom headers' ); ?>
-                               </span>
-                               <div class="default">
-                                       <div class="list">
-                                       </div>
-                               </div>
-                       </div>
-               </div>
-               <?php
-       }
-}
+/** WP_Customize_Nav_Menu_Control class */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-control.php' );
 
-/**
- * Widget Area Customize Control Class
- *
- */
-class WP_Widget_Area_Customize_Control extends WP_Customize_Control {
-       public $type = 'sidebar_widgets';
-       public $sidebar_id;
+/** WP_Customize_Nav_Menu_Item_Control class */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-item-control.php' );
 
-       public function to_json() {
-               parent::to_json();
-               $exported_properties = array( 'sidebar_id' );
-               foreach ( $exported_properties as $key ) {
-                       $this->json[ $key ] = $this->$key;
-               }
-       }
+/** WP_Customize_Nav_Menu_Location_Control class */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-location-control.php' );
 
-       public function render_content() {
-               ?>
-               <span class="button-secondary add-new-widget" tabindex="0">
-                       <?php _e( 'Add a Widget' ); ?>
-               </span>
-
-               <span class="reorder-toggle" tabindex="0">
-                       <span class="reorder"><?php _ex( 'Reorder', 'Reorder widgets in Customizer' ); ?></span>
-                       <span class="reorder-done"><?php _ex( 'Done', 'Cancel reordering widgets in Customizer'  ); ?></span>
-               </span>
-               <?php
-       }
-}
-
-/**
- * Widget Form Customize Control Class
- */
-class WP_Widget_Form_Customize_Control extends WP_Customize_Control {
-       public $type = 'widget_form';
-       public $widget_id;
-       public $widget_id_base;
-       public $sidebar_id;
-       public $is_new = false;
-       public $width;
-       public $height;
-       public $is_wide = false;
+/** WP_Customize_Nav_Menu_Name_Control class */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-name-control.php' );
 
-       public function to_json() {
-               parent::to_json();
-               $exported_properties = array( 'widget_id', 'widget_id_base', 'sidebar_id', 'width', 'height', 'is_wide' );
-               foreach ( $exported_properties as $key ) {
-                       $this->json[ $key ] = $this->$key;
-               }
-       }
-
-       public function render_content() {
-               global $wp_registered_widgets;
-               require_once ABSPATH . '/wp-admin/includes/widgets.php';
-
-               $widget = $wp_registered_widgets[ $this->widget_id ];
-               if ( ! isset( $widget['params'][0] ) ) {
-                       $widget['params'][0] = array();
-               }
-
-               $args = array(
-                       'widget_id' => $widget['id'],
-                       'widget_name' => $widget['name'],
-               );
-
-               $args = wp_list_widget_controls_dynamic_sidebar( array( 0 => $args, 1 => $widget['params'][0] ) );
-               echo $this->manager->widgets->get_widget_control( $args );
-       }
-}
+/** WP_Customize_Nav_Menu_Auto_Add_Control class */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-auto-add-control.php' );
 
+/** WP_Customize_New_Menu_Control class */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-new-menu-control.php' );