<?php
add_action('customize_register', 'berkeley_customize_register_footer_section');
function berkeley_customize_register_footer_section ($wp_customize) {
    //Featured Footer Section
    $wp_customize->add_section('berkeley_foot_sec',
        array(
            'title' => __('Footer Section', 'berkeley'),
            'priority' => 45,
        )
    );

    //Featured Foot Section Enable Control
    $wp_customize->add_setting('berkeley_fsec_enable',
        array(
            'sanitize_callback' => 'berkeley_sanitize_text',
            'default' => 'enable'
        )
    );

    $wp_customize->add_control(
        new Berkeley_Switch_Control(
            $wp_customize,'berkeley_fsec_enable',
            array(
                'settings'      => 'berkeley_fsec_enable',
                'section'       => 'berkeley_foot_sec',
                'label'    => __( 'Enable Featured Pages', 'berkeley' ),
                'enable_disable'    => array(
                    'enable' => __( 'Enabled', 'berkeley' ),
                    'disable' => __( 'Disabled', 'berkeley' )
                )
            )
        )
    );

     //Form Shortcode Control
    $wp_customize->add_setting('berkeley_fsec_from_id',
        array(
            'sanitize_callback' => 'sanitize_text_field'
        )
    );

    $wp_customize->add_control('berkeley_fsec_from_id',
        array(
            'settings' => 'berkeley_fsec_from_id',
            'section'   => 'berkeley_foot_sec',
            'label' => __('Enter Contact Form Shortcode', 'berkeley'),
            'type' => 'text',
           'active_callback' => 'berkeley_fsec_enable'
        )
    );

    //Feature Footer Section Page Select Control
    $wp_customize->add_setting('berkeley_select_fsec_page',
        array(
           'sanitize_callback' => 'absint'
        )
    );

    $wp_customize->add_control('berkeley_select_fsec_page',
        array(
           'label'    => __('Select Page To Be Shown In Footer Section ','berkeley'),
           'settings' => 'berkeley_select_fsec_page',
           'section'  => 'berkeley_foot_sec',
           'type' => 'dropdown-pages',
           'active_callback' => 'berkeley_fsec_enable'
        )
    );

    //Active Callback Function
    function berkeley_fsec_enable( $control ) {
        $option = $control->manager->get_setting('berkeley_fsec_enable');
        return $option->value() == enable;
    }

    //Feature Footer Section Background Image Control
    $wp_customize->add_setting('berkeley_fsec_background_img',
        array(
            'sanitize_callback' => 'esc_url_raw'
        )
    );

    $wp_customize->add_control(
        new WP_Customize_Image_Control(
            $wp_customize, 'berkeley_fsec_background_img',
            array(
                'settings' => 'berkeley_fsec_background_img',
                'section' => 'berkeley_foot_sec',                
                'label' => __('Upload A Background Image', 'berkeley'),
                'active_callback' => 'berkeley_fsec_enable'
            )
        )
    );
}