<?php


function benjamin_widgetized_settings($wp_customize) {


    $wp_customize->add_setting( 'widgetized_sortables_setting', array(
        'default'        => '',
        'sanitize_callback' => 'benjamin_widgetized_sortable_sanitize',
    ) );

    $description = __('The page content is sortable, and optional.  Simply drag the
    available components from the "available" box over to active.  This setting
    does not depend on the "Settings Active" setting above.', 'benjamin');

    $wp_customize->add_control( new Benjamin_Activated_Sortable_Custom_Control( $wp_customize,
       'widgetized_sortables_control', array(
           'label'   => __('Sortable Page Content', 'benjamin'),
           'description' => $description,
           'section' => 'widgetized_settings_section',
           'settings'=> 'widgetized_sortables_setting',
           'choices' => array(
                   'widget-area-1' => 'Widget Area 1',
                   'widget-area-2' => 'Widget Area 2',
                   'widget-area-3' => 'Widget Area 3',
                   'page-content' => 'Page Content'
               )
           )
       )
   );

}
add_action('customize_register', 'benjamin_widgetized_settings');


/**
 * ----------------------------------------------------------------------------
 * Sanitization settings
 * ----------------------------------------------------------------------------
 */


function benjamin_widgetized_sortable_sanitize($val) {
    $valids = array(
        'widget-area-1',
        'widget-area-2',
        'widget-area-3',
        'page-content',
    );

    $valid = true;
    $tmp_val = json_decode($val);
    foreach($tmp_val as $v){
        if( !in_array($v->name, $valids) )
            $valid = false;
    }

    if(!$valid)
        return null;

    return $val;
}