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Web.Admin/2014/wordpress/wp-includes/class-wp-customize-control.php

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<?php
/**
 * Customize Control Class
 *
 * @package WordPress
 * @subpackage Customize
 * @since 3.4.0
 */
class WP_Customize_Control {
    /**
     * @access public
     * @var WP_Customize_Manager
     */
    public $manager;

    /**
     * @access public
     * @var string
     */
    public $id;

    /**
     * All settings tied to the control.
     *
     * @access public
     * @var array
     */
    public $settings;

    /**
     * The primary setting for the control (if there is one).
     *
     * @access public
     * @var string
     */
    public $setting = 'default';

    /**
     * @access public
     * @var int
     */
    public $priority = 10;

    /**
     * @access public
     * @var string
     */
    public $section = '';

    /**
     * @access public
     * @var string
     */
    public $label = '';

    /**
     * @todo: Remove choices
     *
     * @access public
     * @var array
     */
    public $choices = array();

    /**
     * @access public
     * @var array
     */
    public $json = array();

    /**
     * @access public
     * @var string
     */
    public $type = 'text';


    /**
     * Constructor.
     *
     * Supplied $args override class property defaults.
     *
     * 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
     */
    function __construct( $manager, $id, $args = array() ) {
        $keys = array_keys( get_object_vars( $this ) );
        foreach ( $keys as $key ) {
            if ( isset( $args[ $key ] ) )
                $this->$key = $args[ $key ];
        }

        $this->manager = $manager;
        $this->id = $id;

        // Process settings.
        if ( empty( $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 {
            $this->setting = $this->manager->get_setting( $this->settings );
            $settings['default'] = $this->setting;
        }
        $this->settings = $settings;
    }

    /**
     * Enqueue control related scripts/styles.
     *
     * @since 3.4.0
     */
    public function enqueue() {}


    /**
     * Fetch a setting's value.
     * Grabs the main setting by default.
     *
     * @since 3.4.0
     *
     * @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 ] ) )
            return $this->settings[ $setting_key ]->value();
    }

    /**
     * Refresh the parameters passed to the JavaScript via JSON.
     *
     * @since 3.4.0
     */
    public function to_json() {
        $this->json['settings'] = array();
        foreach ( $this->settings as $key => $setting ) {
            $this->json['settings'][ $key ] = $setting->id;
        }

        $this->json['type'] = $this->type;
    }

    /**
     * Check if the theme supports the control and check user capabilities.
     *
     * @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() {
        foreach ( $this->settings as $setting ) {
            if ( ! $setting->check_capabilities() )
                return false;
        }

        $section = $this->manager->get_section( $this->section );
        if ( isset( $section ) && ! $section->check_capabilities() )
            return false;

        return true;
    }

    /**
     * Check capabilities and render the control.
     *
     * @since 3.4.0
     * @uses WP_Customize_Control::render()
     */
    public final function maybe_render() {
        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();
    }

    /**
     * Renders the control wrapper and calls $this->render_content() for the internals.
     *
     * @since 3.4.0
     */
    protected function render() {
        $id    = 'customize-control-' . str_replace( '[', '-', str_replace( ']', '', $this->id ) );
        $class = 'customize-control customize-control-' . $this->type;

        ?><li id="<?php echo esc_attr( $id ); ?>" class="<?php echo esc_attr( $class ); ?>">
            <?php $this->render_content(); ?>
        </li><?php
    }

    /**
     * Get the data link attribute for a setting.
     *
     * @since 3.4.0
     *
     * @param string $setting_key
     * @return string Data link parameter, if $setting_key is a valid setting, empty string otherwise.
     */
    public function get_link( $setting_key = 'default' ) {
        if ( ! isset( $this->settings[ $setting_key ] ) )
            return '';

        return 'data-customize-setting-link="' . esc_attr( $this->settings[ $setting_key ]->id ) . '"';
    }

    /**
     * Render the data link attribute for the control's input element.
     *
     * @since 3.4.0
     * @uses WP_Customize_Control::get_link()
     *
     * @param string $setting_key
     */
    public function link( $setting_key = 'default' ) {
        echo $this->get_link( $setting_key );
    }

    /**
     * Render the control's content.
     *
     * 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`.
     *
     * @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 ); ?>
                </label>
                <?php
                break;
            case 'radio':
                if ( empty( $this->choices ) )
                    return;

                $name = '_customize-radio-' . $this->id;

                ?>
                <span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
                <?php
                foreach ( $this->choices as $value => $label ) :
                    ?>
                    <label>
                        <input type="radio" value="<?php echo esc_attr( $value ); ?>" name="<?php echo esc_attr( $name ); ?>" <?php $this->link(); checked( $this->value(), $value ); ?> />
                        <?php echo esc_html( $label ); ?><br/>
                    </label>
                    <?php
                endforeach;
                break;
            case 'select':
                if ( empty( $this->choices ) )
                    return;

                ?>
                <label>
                    <span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
                    <select <?php $this->link(); ?>>
                        <?php
                        foreach ( $this->choices as $value => $label )
                            echo '<option value="' . esc_attr( $value ) . '"' . selected( $this->value(), $value, false ) . '>' . $label . '</option>';
                        ?>
                    </select>
                </label>
                <?php
                break;
            case 'dropdown-pages':
                $dropdown = wp_dropdown_pages(
                    array(
                        'name'              => '_customize-dropdown-pages-' . $this->id,
                        'echo'              => 0,
                        'show_option_none'  => __( '&mdash; Select &mdash;' ),
                        'option_none_value' => '0',
                        'selected'          => $this->value(),
                    )
                );

                // 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
                );
                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.
     *
     * @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.
     *
     * @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
     *
     * @param string $id
     */
    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() {
        ?>
        <div class="uploaded-target"></div>
        <?php
    }

    /**
     * @since 3.4.0
     *
     * @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.
     *
     * @since 3.4.0
     * @uses WP_Customize_Image_Control::__construct()
     *
     * @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
     */
    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

        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',
        ) );

    }

    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;
        }

        // 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();
    }

    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>

                <# } 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
    }

    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</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
    }
}

/**
 * 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() {
        ?>
        <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;

    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 );
    }
}