WordPress 4.0
[autoinstalls/wordpress.git] / wp-includes / class-wp-customize-control.php
index fde8561584e9cb1f9c2cc2e68a3227c3baf0a525..216ceafbf6290e43fe8ce993e2cf979bbfbbb544 100644 (file)
@@ -39,19 +39,25 @@ class WP_Customize_Control {
         * @access public
         * @var int
         */
-       public $priority          = 10;
+       public $priority = 10;
 
        /**
         * @access public
         * @var string
         */
-       public $section           = '';
+       public $section = '';
 
        /**
         * @access public
         * @var string
         */
-       public $label             = '';
+       public $label = '';
+
+       /**
+        * @access public
+        * @var string
+        */
+       public $description = '';
 
        /**
         * @todo: Remove choices
@@ -59,7 +65,13 @@ class WP_Customize_Control {
         * @access public
         * @var array
         */
-       public $choices           = array();
+       public $choices = array();
+
+       /**
+        * @access public
+        * @var array
+        */
+       public $input_attrs = array();
 
        /**
         * @access public
@@ -73,10 +85,26 @@ 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.
+        *
         * If $args['settings'] is not defined, use the $id as the setting ID.
         *
         * @since 3.4.0
@@ -85,20 +113,24 @@ class WP_Customize_Control {
         * @param string $id
         * @param array $args
         */
-       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' );
+               }
 
                // Process settings.
-               if ( empty( $this->settings ) )
+               if ( empty( $this->settings ) ) {
                        $this->settings = $id;
+               }
 
                $settings = array();
                if ( is_array( $this->settings ) ) {
@@ -119,6 +151,45 @@ 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.
+        */
+       public final function active() {
+               $control = $this;
+               $active = call_user_func( $this->active_callback, $this );
+
+               /**
+                * Filter 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 bool Always true.
+        */
+       public function active_callback() {
+               return true;
+       }
 
        /**
         * Fetch a setting's value.
@@ -130,8 +201,9 @@ class WP_Customize_Control {
         * @return mixed The requested setting's value, if the setting exists.
         */
        public final function value( $setting_key = 'default' ) {
-               if ( isset( $this->settings[ $setting_key ] ) )
+               if ( isset( $this->settings[ $setting_key ] ) ) {
                        return $this->settings[ $setting_key ]->value();
+               }
        }
 
        /**
@@ -146,6 +218,7 @@ class WP_Customize_Control {
                }
 
                $this->json['type'] = $this->type;
+               $this->json['active'] = $this->active();
        }
 
        /**
@@ -178,14 +251,32 @@ class WP_Customize_Control {
                if ( ! $this->check_capabilities() )
                        return;
 
+               /**
+                * Fires just before the current Customizer control is rendered.
+                *
+                * @since 3.4.0
+                *
+                * @param WP_Customize_Control $this WP_Customize_Control instance.
+                */
                do_action( 'customize_render_control', $this );
+
+               /**
+                * Fires just before a specific Customizer control is rendered.
+                *
+                * The dynamic portion of the hook name, $this->id, refers to
+                * the control ID.
+                *
+                * @since 3.4.0
+                *
+                * @param WP_Customize_Control $this WP_Customize_Control instance.
+                */
                do_action( 'customize_render_control_' . $this->id, $this );
 
                $this->render();
        }
 
        /**
-        * Render the control. Renders the control wrapper, then calls $this->render_content().
+        * Renders the control wrapper and calls $this->render_content() for the internals.
         *
         * @since 3.4.0
         */
@@ -199,7 +290,7 @@ class WP_Customize_Control {
        }
 
        /**
-        * Get the data link parameter for a setting.
+        * Get the data link attribute for a setting.
         *
         * @since 3.4.0
         *
@@ -214,7 +305,7 @@ class WP_Customize_Control {
        }
 
        /**
-        * Render the data link parameter for a setting
+        * Render the data link attribute for the control's input element.
         *
         * @since 3.4.0
         * @uses WP_Customize_Control::get_link()
@@ -225,28 +316,38 @@ 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.
+        * Allows the content to be overriden without having to rewrite the wrapper in $this->render().
+        *
+        * 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.
         *
         * @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;
@@ -256,9 +357,13 @@ 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>
@@ -274,7 +379,13 @@ 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 )
@@ -284,6 +395,19 @@ 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(
                                        array(
@@ -304,6 +428,19 @@ class WP_Customize_Control {
                                        $dropdown
                                );
                                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;
                }
        }
 }
@@ -331,8 +468,6 @@ class WP_Customize_Color_Control extends WP_Customize_Control {
        /**
         * Constructor.
         *
-        * If $args['settings'] is not defined, use the $id as the setting ID.
-        *
         * @since 3.4.0
         * @uses WP_Customize_Control::__construct()
         *
@@ -346,7 +481,7 @@ class WP_Customize_Color_Control extends WP_Customize_Control {
        }
 
        /**
-        * Enqueue control related scripts/styles.
+        * Enqueue scripts/styles for the color picker.
         *
         * @since 3.4.0
         */
@@ -382,7 +517,13 @@ class WP_Customize_Color_Control extends WP_Customize_Control {
                // 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>
+                       <?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; ?>
+
                        <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>
@@ -439,7 +580,12 @@ class WP_Customize_Upload_Control extends WP_Customize_Control {
        public function render_content() {
                ?>
                <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; ?>
                        <div>
                                <a href="#" class="button-secondary upload"><?php _e( 'Upload' ); ?></a>
                                <a href="#" class="remove"><?php _e( 'Remove' ); ?></a>
@@ -467,8 +613,6 @@ class WP_Customize_Image_Control extends WP_Customize_Upload_Control {
        /**
         * Constructor.
         *
-        * If $args['settings'] is not defined, use the $id as the setting ID.
-        *
         * @since 3.4.0
         * @uses WP_Customize_Upload_Control::__construct()
         *
@@ -523,7 +667,12 @@ class WP_Customize_Image_Control extends WP_Customize_Upload_Control {
 
                ?>
                <div class="customize-image-picker">
-                       <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; ?>
 
                        <div class="customize-control-content">
                                <div class="dropdown preview-thumbnail" tabindex="0">
@@ -593,7 +742,7 @@ class WP_Customize_Image_Control extends WP_Customize_Upload_Control {
         */
        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.'), 'http://wordpress.org/mobile/' ) . '</p>';
+                       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://apps.wordpress.org/' ) . '</p>';
                } else {
                        ?>
                        <div class="upload-dropzone">
@@ -691,37 +840,9 @@ class WP_Customize_Background_Image_Control extends WP_Customize_Image_Control {
        }
 }
 
-/**
- * Customize Header Image Control Class
- *
- * @package WordPress
- * @subpackage Customize
- * @since 3.4.0
- */
 class WP_Customize_Header_Image_Control extends WP_Customize_Image_Control {
-       /**
-        * The processed default headers.
-        * @since 3.4.2
-        * @var array
-        */
-       protected $default_headers;
-
-       /**
-        * The uploaded headers.
-        * @since 3.4.2
-        * @var array
-        */
-       protected $uploaded_headers;
+       public $type = 'header';
 
-       /**
-        * Constructor.
-        *
-        * @since 3.4.0
-        * @uses WP_Customize_Image_Control::__construct()
-        * @uses WP_Customize_Image_Control::add_tab()
-        *
-        * @param WP_Customize_Manager $manager
-        */
        public function __construct( $manager ) {
                parent::__construct( $manager, 'header_image', array(
                        'label'    => __( 'Header Image' ),
@@ -733,85 +854,271 @@ class WP_Customize_Header_Image_Control extends WP_Customize_Image_Control {
                        'context'  => 'custom-header',
                        'removed'  => 'remove-header',
                        'get_url'  => 'get_header_image',
-                       'statuses' => array(
-                               ''                      => __('Default'),
-                               'remove-header'         => __('No Image'),
-                               'random-default-image'  => __('Random Default Image'),
-                               'random-uploaded-image' => __('Random Uploaded Image'),
-                       )
                ) );
 
-               // Remove the upload tab.
-               $this->remove_tab( 'upload-new' );
        }
 
-       /**
-        * Prepares the control.
-        *
-        * If no tabs exist, removes the control from the manager.
-        *
-        * @since 3.4.2
-        */
+       public function to_json() {
+               parent::to_json();
+       }
+
+       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();
+       }
+
        public function prepare_control() {
                global $custom_image_header;
-               if ( empty( $custom_image_header ) )
-                       return parent::prepare_control();
+               if ( empty( $custom_image_header ) ) {
+                       return;
+               }
 
                // Process default headers and uploaded headers.
                $custom_image_header->process_default_headers();
-               $this->default_headers = $custom_image_header->default_headers;
-               $this->uploaded_headers = get_uploaded_header_images();
+               $this->default_headers = $custom_image_header->get_default_header_images();
+               $this->uploaded_headers = $custom_image_header->get_uploaded_header_images();
+       }
+
+       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>
+
+               <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>
 
-               if ( $this->default_headers )
-                       $this->add_tab( 'default',  __('Default'),  array( $this, 'tab_default_headers' ) );
+                               <# } else { #>
 
-               if ( ! $this->uploaded_headers )
-                       $this->remove_tab( 'uploaded' );
+                       <img src="{{{data.header.thumbnail_url}}}" alt="{{{data.header.alt_text || data.header.description}}}" tabindex="0"/>
 
-               return parent::prepare_control();
-       }
+                               <# } #>
+                       <# } else { #>
 
-       /**
-        * @since 3.4.0
-        *
-        * @param mixed $choice Which header image to select. (@see Custom_Image_Header::get_header_image() )
-        * @param array $header
-        */
-       public function print_header_image( $choice, $header ) {
-               $header['url']           = set_url_scheme( $header['url'] );
-               $header['thumbnail_url'] = set_url_scheme( $header['thumbnail_url'] );
+                       <div class="placeholder">
+                               <div class="inner">
+                                       <span>
+                                               <?php _e( 'No image set' ); ?>
+                                       </span>
+                               </div>
+                       </div>
+
+                       <# } #>
+               </script>
+               <?php
+       }
 
-               $header_image_data = array( 'choice' => $choice );
-               foreach ( array( 'attachment_id', 'width', 'height', 'url', 'thumbnail_url' ) as $key ) {
-                       if ( isset( $header[ $key ] ) )
-                               $header_image_data[ $key ] = $header[ $key ];
+       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;
+       }
+
+       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' ) );
+               ?>
 
 
+               <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 image</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 image</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 image</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
+       }
+}
+
+/**
+ * Widget Area Customize Control Class
+ *
+ */
+class WP_Widget_Area_Customize_Control extends WP_Customize_Control {
+       public $type = 'sidebar_widgets';
+       public $sidebar_id;
+
+       public function to_json() {
+               parent::to_json();
+               $exported_properties = array( 'sidebar_id' );
+               foreach ( $exported_properties as $key ) {
+                       $this->json[ $key ] = $this->$key;
+               }
+       }
+
+       public function render_content() {
                ?>
-               <a href="#" class="thumbnail"
-                       data-customize-image-value="<?php echo esc_url( $header['url'] ); ?>"
-                       data-customize-header-image-data="<?php echo esc_attr( json_encode( $header_image_data ) ); ?>">
-                       <img src="<?php echo esc_url( $header['thumbnail_url'] ); ?>" />
-               </a>
+               <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
        }
 
        /**
-        * @since 3.4.0
+        * Whether the current sidebar is rendered on the page.
+        *
+        * @since 4.0.0
+        * @access public
+        *
+        * @return bool Whether sidebar is rendered.
         */
-       public function tab_uploaded() {
-               ?><div class="uploaded-target"></div><?php
+       public function active_callback() {
+               return $this->manager->widgets->is_sidebar_rendered( $this->sidebar_id );
+       }
+}
+
+/**
+ * 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;
+
+       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;
+               }
+       }
 
-               foreach ( $this->uploaded_headers as $choice => $header )
-                       $this->print_header_image( $choice, $header );
+       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 );
        }
 
        /**
-        * @since 3.4.0
+        * Whether the current widget is rendered on the page.
+        *
+        * @since 4.0.0
+        * @access public
+        *
+        * @return bool Whether the widget is rendered.
         */
-       public function tab_default_headers() {
-               foreach ( $this->default_headers as $choice => $header )
-                       $this->print_header_image( $choice, $header );
+       function active_callback() {
+               return $this->manager->widgets->is_widget_rendered( $this->widget_id );
        }
-}
\ No newline at end of file
+}
+