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Abstract_Builder.php
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Abstract_Builder.php
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<?php
/**
* Abstract Builder class for Header Footer Grid.
*
* Name: Header Footer Grid
* Author: Bogdan Preda <bogdan.preda@themeisle.com>
*
* @version 1.0.0
* @package HFG
*/
namespace HFG\Core\Builder;
use HFG\Core\Components\Abstract_Component;
use HFG\Core\Components\Nav;
use HFG\Core\Css_Generator;
use HFG\Core\Interfaces\Builder;
use HFG\Core\Interfaces\Component;
use HFG\Core\Settings;
use HFG\Core\Settings\Manager as SettingsManager;
use HFG\Traits\Core;
use Neve\Core\Settings\Config;
use Neve\Core\Styles\Css_Prop;
use Neve\Core\Styles\Dynamic_Selector;
use Neve\Core\Theme_Info;
use Neve\Customizer\Controls\React\Instructions_Section;
use WP_Customize_Manager;
/**
* Class Abstract_Builder
*
* @package HFG\Core\Builder
*/
abstract class Abstract_Builder implements Builder {
use Core;
use Theme_Info;
const LAYOUT_SETTING = 'layout';
const COLUMNS_NUMBER = 'columns_number';
const COLUMNS_LAYOUT = 'columns_layout';
const HEIGHT_SETTING = 'height';
const BOTTOM_BORDER = 'bottom_border';
const BORDER_COLOR = 'border_color';
const SKIN_SETTING = 'skin';
const TEXT_COLOR = 'new_text_color';
const BACKGROUND_SETTING = 'background';
const WIDTH = 'width';
const CONTENT_ALIGNMENT = 'content_alignment';
const VERTICAL_ALIGN = 'vertical_align';
/**
* Layout config data.
*
* @var array Layout data.
*/
private $layout_data = [];
/**
* Active components ids.
*
* @var array Layout data.
*/
private $active_components = [];
/**
* Internal pointer for current device id.
*
* @var null|string Device id.
*/
public static $current_device = null;
/**
* Internal pointer for current row id.
*
* @var null|string Row id.
*/
public static $current_row = null;
/**
* Internal pointer for current slot id.
*
* @var null|string Slot id.
*/
public static $current_slot = null;
/**
* Internal pointer for current component id.
*
* @var null|string Component id.
*/
public static $current_component = null;
/**
* Internal pointer for current builder id.
*
* @var null|string Builder id.
*/
public static $current_builder = null;
/**
* Holds the control id.
*
* @since 1.0.0
* @access protected
* @var string $control_id
*/
protected $control_id;
/**
* Holds the layout control id.
*
* @since 3.0.0
* @access protected
* @var string $layout_control_id
*/
protected $layout_control_id;
/**
* Holds the panel id.
*
* @since 1.0.0
* @access protected
* @var string $panel
*/
protected $panel;
/**
* Holds the section id.
*
* @since 1.0.0
* @access protected
* @var string $section
*/
protected $section;
/**
* Holds the title.
*
* @since 1.0.0
* @access public
* @var string|null $title
*/
public $title;
/**
* Holds the description.
*
* @since 1.0.1
* @access public
* @var string|null $description
*/
public $description;
/**
* A list of panel keys to be removed.
*
* @since 1.0.0
* @access protected
* @var array $remove_panels
*/
protected $remove_panels = [];
/**
* A list of sections keys to be removed.
*
* @since 1.0.0
* @access protected
* @var array $remove_sections
*/
protected $remove_sections = [];
/**
* A list of supported devices and labels.
*
* @since 1.0.0
* @access protected
* @var array $devices
*/
protected $devices = [
'desktop' => 'Desktop',
'mobile' => 'Mobile',
];
/**
* Default colors for rows.
*
* Holds the default values for row colors.
*
* @since 1.0.0
* @access protected
* @var array
*/
protected $default_colors = array(
'header' => array(
'top' => '#f0f0f0',
'main' => '#ffffff',
'bottom' => '#ffffff',
'sidebar' => '#ffffff',
),
'footer' => array(
'top' => '#ffffff',
'bottom' => '#24292e',
),
'page_header' => array(
'top' => '#ffffff',
'bottom' => '#ffffff',
),
);
/**
* A list of builder components.
*
* @since 1.0.0
* @access protected
* @var array $builder_components
*/
protected $builder_components = array();
/**
* The quick links setup array.
*
* @var array
*/
protected $instructions_array = array();
/**
* Does this layout have columns?
*
* @var boolean
*/
protected $columns_layout = false;
/**
* Abstract_Builder constructor.
*
* @since 1.0.0
* @access public
*/
public function __construct() {
$this->set_property( 'control_id', 'hfg_' . $this->get_id() . '_layout' );
$this->set_property( 'layout_control_id', $this->control_id . ( neve_is_new_builder() ? '_v2' : '' ) );
$this->set_property( 'panel', 'hfg_' . $this->get_id() );
$this->set_property( 'section', $this->control_id . '_section' );
$this->init();
add_action( 'hfg_' . $this->get_id() . '_render', [ $this, 'load_template' ] );
$this->define_builder_settings();
foreach ( $this->get_rows() as $row_id => $row_name ) {
$this->define_row_settings( $row_id );
}
add_filter( 'hfg_header_row_classes', [ $this, 'add_header_row_utility_classes' ], 10, 2 );
add_filter( 'hfg_page_header_row_classes', [ $this, 'add_header_row_utility_classes' ], 10, 2 );
}
/**
* Method to set protected properties for class.
*
* @param string $key The property key name.
* @param mixed $value The property value.
*
* @return bool
* @since 1.0.0
* @access protected
*/
protected function set_property( $key = '', $value = '' ) {
if ( ! property_exists( $this, $key ) ) {
return false;
}
$this->$key = $value;
return true;
}
/**
* Define builder settings.
*/
public function define_builder_settings() {
$is_new_builder = neve_is_new_builder();
SettingsManager::get_instance()->add(
[
'id' => $this->layout_control_id,
'group' => $this->control_id,
'tab' => false,
'noformat' => true,
'transport' => 'post' . $this->get_id(),
'sanitize_callback' => [ $this, 'sanitize_json' ],
'default' => '',
'label' => '',
'type' => $is_new_builder ? '\Neve\Customizer\Controls\React\Builder' : 'text',
'options' => [
'builder_type' => $this->get_id(),
'columns_layout' => $this->columns_layout,
],
'conditional_header' => $this->get_id() === 'header',
'section' => $this->section,
]
);
do_action( 'hfg_row_settings', $this->get_id(), $this->control_id );
}
/**
* Used to define the rows in the builder sections.
*
* @return array Rows array.
*/
abstract protected function get_rows();
/**
* Define Row settings.
*
* @param string $row_id Row id.
*/
public function define_row_settings( $row_id ) {
$row_setting_id = $this->control_id . '_' . $row_id;
$row_class = '.' . join(
'-',
array(
$this->get_id(),
$row_id,
'inner',
)
);
if ( $row_id === 'sidebar' ) {
$row_class = '.header-menu-sidebar';
}
SettingsManager::get_instance()->add(
[
'id' => $row_setting_id,
'transport' => 'postMessage',
'sanitize_callback' => array( $this, 'sanitize_json' ),
'default' => '',
]
);
if ( $row_id === 'sidebar' ) {
$this->add_sidebar_controls( $row_setting_id );
}
if ( $row_id !== 'sidebar' ) {
SettingsManager::get_instance()->add(
[
'id' => self::LAYOUT_SETTING,
'group' => $row_setting_id,
'tab' => SettingsManager::TAB_LAYOUT,
'label' => __( 'Layout', 'neve' ),
'type' => 'select',
'section' => $row_setting_id,
'options' => [
'choices' => [
'layout-full-contained' => __( 'Full Width', 'neve' ) . ' - ' . __( 'Contained', 'neve' ),
'layout-fullwidth' => __( 'Full Width', 'neve' ),
'layout-contained' => __( 'Contained', 'neve' ),
],
],
'conditional_header' => $this->get_id() === 'header',
'transport' => 'post' . $row_setting_id,
'sanitize_callback' => 'wp_filter_nohtml_kses',
'default' => 'layout-full-contained',
]
);
SettingsManager::get_instance()->add(
[
'id' => self::HEIGHT_SETTING,
'group' => $row_setting_id,
'tab' => SettingsManager::TAB_STYLE,
'section' => $row_setting_id,
'label' => __( 'Row height', 'neve' ),
'type' => '\Neve\Customizer\Controls\React\Responsive_Range',
'live_refresh_selector' => $row_class,
'live_refresh_css_prop' => [
'cssVar' => [
'responsive' => true,
'vars' => '--height',
'suffix' => 'px',
'fallback' => 'auto',
'selector' => $row_class,
'dispatchWindowResize' => true,
],
'prop' => 'height',
'unit' => 'px',
],
'options' => [
'input_attrs' => [
'min' => 0,
'max' => 700,
'defaultVal' => [
'mobile' => 0,
'tablet' => 0,
'desktop' => 0,
'suffix' => [
'mobile' => 'px',
'tablet' => 'px',
'desktop' => 'px',
],
],
'units' => [ 'px', 'em', 'rem' ],
],
],
'transport' => 'postMessage',
'sanitize_callback' => array( $this, 'sanitize_responsive_int_json' ),
'default' => '{ "mobile": "0", "tablet": "0", "desktop": "0" }',
'conditional_header' => $this->get_id() === 'header',
]
);
SettingsManager::get_instance()->add(
[
'id' => self::BOTTOM_BORDER,
'group' => $row_setting_id,
'tab' => SettingsManager::TAB_STYLE,
'section' => $row_setting_id,
'label' => __( 'Border Width', 'neve' ),
'type' => '\Neve\Customizer\Controls\React\Responsive_Range',
'live_refresh_selector' => true,
'live_refresh_css_prop' => [
'cssVar' => [
'responsive' => true,
'vars' => '--rowbwidth',
'suffix' => 'px',
'fallback' => '0',
'selector' => '.' . $this->get_id() . '-' . $row_id,
'dispatchWindowResize' => true,
],
],
'options' => [
'input_attrs' => [
'min' => 0,
'max' => 50,
'defaultVal' => [
'mobile' => 0,
'tablet' => 0,
'desktop' => 0,
'suffix' => [
'mobile' => 'px',
'tablet' => 'px',
'desktop' => 'px',
],
],
'units' => [ 'px' ],
],
],
'transport' => 'postMessage',
'sanitize_callback' => array( $this, 'sanitize_responsive_int_json' ),
'default' => '{ "mobile": "0", "tablet": "0", "desktop": "0" }',
'conditional_header' => $this->get_id() === 'header',
]
);
SettingsManager::get_instance()->add(
[
'id' => self::BORDER_COLOR,
'group' => $row_setting_id,
'tab' => SettingsManager::TAB_STYLE,
'label' => __( 'Border Color', 'neve' ),
'section' => $row_setting_id,
'conditional_header' => $this->get_id() === 'header',
'type' => 'neve_color_control',
'transport' => 'postMessage',
'live_refresh_selector' => true,
'live_refresh_css_prop' => [
'cssVar' => [
'vars' => '--rowbcolor',
'selector' => '.' . $this->get_id() . '-' . $row_id,
],
],
'sanitize_callback' => 'neve_sanitize_colors',
'default' => 'var(--nv-light-bg)',
]
);
}
if ( $this->columns_layout && neve_is_new_builder() ) {
$this->add_columns_layout_controls( $row_setting_id, $row_id );
}
$default_colors = $this->get_default_row_colors( $row_id );
SettingsManager::get_instance()->add(
[
'id' => self::BACKGROUND_SETTING,
'group' => $row_setting_id,
'tab' => SettingsManager::TAB_STYLE,
'section' => $row_setting_id,
'label' => __( 'Row Background', 'neve' ),
'type' => '\Neve\Customizer\Controls\React\Background',
'live_refresh_selector' => $row_id === 'sidebar' ? $row_class . ' .header-menu-sidebar-bg' : $row_class,
'live_refresh_css_prop' => [
'cssVar' => [
'vars' => 'backgroundControl',
'selector' => $row_id === 'sidebar' ? '.header-menu-sidebar-bg' : '.' . $this->get_id() . '-' . $row_id,
],
'partial' => $row_id === 'sidebar' ? 'hfg_header_layout_partial' : $row_setting_id . '_partial',
],
'options' => [
'priority' => 100,
'active_callback' => function () use ( $row_id ) {
return $this->has_background_setting( $row_id );
},
],
'default' => [
'type' => 'color',
'colorValue' => $default_colors['background'],
],
'transport' => 'postMessage',
'sanitize_callback' => 'neve_sanitize_background',
'conditional_header' => $this->get_id() === 'header',
]
);
do_action( 'hfg_add_settings_to_rows', SettingsManager::get_instance(), $row_setting_id, $row_id, $this->get_id() );
SettingsManager::get_instance()->add(
[
'id' => self::TEXT_COLOR,
'group' => $row_setting_id,
'tab' => SettingsManager::TAB_STYLE,
'label' => __( 'Text Color', 'neve' ),
'section' => $row_setting_id,
'conditional_header' => $this->get_id() === 'header',
'type' => 'neve_color_control',
'transport' => 'postMessage',
'live_refresh_selector' => $row_class,
'live_refresh_css_prop' => [
'cssVar' => [
'vars' => '--color',
'selector' => $row_id === 'sidebar' ? '.header-menu-sidebar-bg' : '.' . $this->get_id() . '-' . $row_id,
],
'partial' => $row_id === 'sidebar' ? 'hfg_header_layout_partial' : $row_setting_id . '_partial',
],
'sanitize_callback' => 'wp_filter_nohtml_kses',
'default' => $default_colors['text'],
]
);
do_action( 'hfg_row_settings', $this->get_id(), $row_id, $row_setting_id );
}
/**
* Decides if the background setting should be visible for current row.
*
* @param string $row_id The row id.
* @return bool True if setting should be displayed, false if not.
*/
public function has_background_setting( $row_id ) {
if ( $this->get_id() !== 'header' ) {
return true;
}
if ( $row_id === 'sidebar' ) {
return true;
}
if ( get_theme_mod( 'neve_pro_global_header_settings_advanced_style', true ) === true ) {
return true;
}
return false;
}
/**
* Returns current builder id.
*
* @return string|null Builder id.
*/
public static function get_current_builder() {
return self::$current_builder;
}
/**
* Define templates used to loading the builder.
*/
abstract public function load_template();
/**
* Method to get protected properties for class.
*
* @param string $key The property key name.
*
* @return mixed
* @since 1.0.0
* @access protected
*/
public function get_property( $key = '' ) {
if ( ! property_exists( $this, $key ) ) {
return false;
}
return $this->$key;
}
/**
* Register builder scripts
*
* @since 1.0.0
* @access public
*/
public function scripts() {
wp_add_inline_style( 'hfg-customizer-control', $this->inline_builder_styles() );
}
/**
* Returns a string of css rules.
*
* @return string
* @since 1.0.0
* @access protected
*/
protected function inline_builder_styles() {
$style = '';
$style_array = [];
$rows = $this->get_rows();
if ( ! empty( $rows ) ) {
foreach ( $rows as $row_id => $row_label ) {
$style_array[ '#accordion-section-' . $this->control_id . '_' . $row_id ] = array(
'display' => 'none !important',
);
}
}
return $style . $this->css_array_to_css( $style_array );
}
/**
* Called to register component controls.
*
* @param WP_Customize_Manager $wp_customize The Customize Manager.
*
* @return WP_Customize_Manager
* @since 1.0.0
* @access public
*/
public function customize_register( WP_Customize_Manager $wp_customize ) {
/**
* An instance of Component.
*
* @var Component $component
*/
foreach ( $this->builder_components as $component ) {
$component->customize_register( $wp_customize );
}
/** @var \WP_Customize_Panel|null $panel */
$panel = $wp_customize->get_panel( $this->panel );
if ( null !== $panel ) {
return $wp_customize;
}
$title = ( isset( $this->title ) && ! empty( $this->title ) )
? $this->title
: __( 'Header', 'neve' );
$description = ( isset( $this->description ) && ! empty( $this->description ) )
? $this->description
: '';
$wp_customize->add_panel(
$this->panel,
/* @phpstan-ignore-next-line The wordpress-stub os incorect, proper type should be string|array for `theme_supports` */
array(
'priority' => 25,
'capability' => 'edit_theme_options',
'theme_supports' => Settings\Config::get_support(),
'title' => $title,
'description' => $description,
)
);
$wp_customize->add_section(
$this->section,
array(
'title' => $title,
'priority' => 299,
'panel' => $this->panel,
)
);
if ( ! empty( $this->instructions_array ) ) {
$wp_customize->add_section(
new Instructions_Section(
$wp_customize,
$this->section . '_quick_links',
array(
'priority' => - 100,
'panel' => $this->panel,
'type' => 'hfg_instructions',
'options' => $this->instructions_array,
)
)
);
}
Settings\Manager::get_instance()->load( $this->control_id, $wp_customize );
$this->add_rows_controls( $wp_customize );
$wp_customize->selective_refresh->add_partial(
$this->control_id . '_partial',
array(
'selector' => '.' . $this->panel,
'settings' => Settings\Manager::get_instance()->get_transport_group( $this->get_id() ),
'render_callback' => array( $this, 'render' ),
)
);
$wp_customize = apply_filters( 'hfg_after_builder_' . $this->get_id() . '_registered', $wp_customize, $this );
return $wp_customize;
}
/**
* Adds row controls.
*
* @param WP_Customize_Manager $wp_customize The Customize Manager.
*
* @return WP_Customize_Manager|null
* @since 1.0.0
* @access protected
*/
protected function add_rows_controls( $wp_customize ) {
$rows = $this->get_rows();
if ( empty( $rows ) ) {
return null;
}
foreach ( $rows as $row_id => $row ) {
$row_setting_id = $this->control_id . '_' . $row_id;
$title = $row;
$description = '';
if ( is_array( $row ) ) {
$title = ( isset( $row['title'] ) && ! empty( $row['title'] ) )
? $row['title']
: __( 'Section Content', 'neve' );
$description = ( isset( $row['description'] ) && ! empty( $row['description'] ) )
? $row['description']
: $description;
}
$wp_customize->add_section(
$row_setting_id,
array(
'title' => $title,
'description' => $description,
'description_hidden' => ( $description !== '' ),
'priority' => 100,
'panel' => $this->panel,
)
);
Settings\Manager::get_instance()->load( $row_setting_id, $wp_customize );
$wp_customize->selective_refresh->add_partial(
$row_setting_id . '_partial',
array(
'selector' => '.' . $this->panel,
'settings' => Settings\Manager::get_instance()->get_transport_group( $row_setting_id ),
'render_callback' => array( $this, 'render' ),
)
);
}
return $wp_customize;
}
/**
* Return current device in the loop.
*
* @return null|string Current device.
*/
public function get_current_device() {
return self::$current_device;
}
/**
* Return current row in the loop.
*
* @return null|string Current row.
*/
public function get_current_row_index() {
return self::$current_row;
}
/**
* Return current slot in the loop.
*
* @return null|string Current slot.
*/
public function get_current_slot_index() {
return self::$current_slot;
}
/**
* Render markup for builder.
*/
public function render() {
$layout = $this->get_layout_data();
self::$current_builder = $this->get_id();
if ( is_customize_preview() ) {
$style = $this->add_style( [] );
$generator = new Css_Generator();
$generator->set( $style );
$style = $generator->generate();
echo '<style type="text/css" id="' . esc_attr( $this->get_id() ) . '-style">' . $style . '</style>';// phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
}
foreach ( $layout as $device_name => $device ) {
if ( empty( $device ) ) {
continue;
}
self::$current_device = $device_name;
$this->render_device( $device_name, $device );
}
}
/**
* Return builder data.
*
* @return array Builder data.
*/
public function get_layout_data() {
if ( ! empty( $this->layout_data ) ) {
return $this->layout_data;
}
$mod_value = json_decode( SettingsManager::get_instance()->get( $this->layout_control_id ), true );
$this->layout_data = wp_parse_args( $mod_value, array_fill_keys( array_keys( $this->devices ), array_fill_keys( array_keys( $this->get_rows() ), [] ) ) );
return $this->layout_data;
}
/**
* See if row is populated.
*
* @param string $row_id Row id.
*
* @return bool Is row used?
*/
public function is_row_used( $row_id ) {
foreach ( $this->get_layout_data() as $devices ) {
if ( isset( $devices[ $row_id ] ) && ! empty( $devices[ $row_id ] ) ) {
return true;
}
}
return false;
}
/**
* Check if component is used in builder.
*
* @param string $component_id Component id.
*
* @return bool Is used?
*/
public function is_component_active( $component_id ) {
if ( empty( $this->active_components ) ) {
$components = [];
foreach ( $this->get_layout_data() as $devices ) {
foreach ( $devices as $row_index => $row ) {
if ( neve_is_new_builder() && $row_index !== 'sidebar' ) {
foreach ( $row as $slot ) {
if ( empty( $slot ) || ! is_array( $slot ) ) {
continue;
}
$components = array_merge( $components, array_combine( wp_list_pluck( $slot, 'id' ), array_fill( 0, count( $slot ), true ) ) );
}
continue;
}
// Legacy
$row_components = [];
foreach ( $row as $component ) {
if ( isset( $component['id'] ) ) {
$row_components[ $component['id'] ] = true;
}
}
$components = array_merge( $components, $row_components );
}
}
$this->active_components = $components;
}
return isset( $this->active_components[ $component_id ] );
}
/**
* Method to add Builder css styles.
*
* @param array $css_array An array containing css rules.
*
* @return array
* @since 1.0.0
* @access public
*/
public function add_style( array $css_array = array() ) {
foreach ( $this->get_rows() as $row_index => $row_label ) {
if ( ! $this->is_row_used( $row_index ) ) {
continue;
}
$css_array = $this->add_row_style( $row_index, $css_array );
}
/**
* An instance of Component.
*
* @var Abstract_Component $component
*/
foreach ( $this->builder_components as $component ) {
if ( ! $this->is_component_active( $component->get_id() ) ) {
continue;
}
$css_array = $component->add_style( $css_array );
}
return $css_array;
}
/**
* Returns the featured image for the header row.
*
* @param string $image_url The image URL.
* @param boolean $use_featured Flag if featured image should be used.
* @param array $meta Additional meta for the image.
*
* @return string
*/
protected function get_row_featured_image( $image_url, $use_featured, $meta ) {
$image = 'none';
if ( ! empty( $use_featured ) && $use_featured === true && is_singular() ) {
$featured_image = get_the_post_thumbnail_url();
if ( ! empty( $featured_image ) ) {
$image = sprintf( 'url("%s")', esc_url( $featured_image ) );
} else {
$image = sprintf( 'url("%s")', esc_url( $image_url ) );
}
} elseif ( ! empty( $image_url ) ) {
$image = sprintf( 'url("%s")', esc_url( $image_url ) );
}
/**
* Filters the background featured image output url.
*
* @param string $image The background image value: `none` or `url(<url>)`.
* @param boolean $use_featured Flag to specify if featured image should be used or fallback.
* @param array $meta Additional meta for the image.
*
* @since 3.0.5
*/
return apply_filters( 'nv_builder_row_image_url', $image, $use_featured, $meta );
}
/**
* Method to generate css array for each row.
*
* @param string $row_index The row index.
* @param array $css_array The css array.
*
* @return array
* @since 1.0.0
* @access private
*/
private function add_row_style( $row_index, $css_array = array() ) {
$css_array = $this->add_new_builder_styles( $css_array, $row_index );
$rules = [];
$selector = $row_index === 'sidebar' ? '.header-menu-sidebar-bg' : '.' . $this->get_id() . '-' . $row_index;
$default_colors = $this->get_default_row_colors( $row_index );
if ( $row_index !== 'sidebar' ) {
$rules['--height'] = [
Dynamic_Selector::META_KEY => $this->control_id . '_' . $row_index . '_height',
Dynamic_Selector::META_IS_RESPONSIVE => true,
Dynamic_Selector::META_FILTER => function ( $css_prop, $value, $meta, $device ) {
$value = (int) $value;
$unit_suffix = Css_Prop::get_suffix_responsive( $meta, $device );
if ( $value > 0 ) {
return sprintf( '%s:%s;', $css_prop, $value . $unit_suffix );
}
return '';
},
Dynamic_Selector::META_SUFFIX => 'responsive_suffix',
Dynamic_Selector::META_DEFAULT => '{ desktop: 0, tablet: 0, mobile: 0 }',
];
$rules['--rowbwidth'] = [
Dynamic_Selector::META_KEY => $this->control_id . '_' . $row_index . '_' . self::BOTTOM_BORDER,
Dynamic_Selector::META_IS_RESPONSIVE => true,
Dynamic_Selector::META_FILTER => function ( $css_prop, $value, $meta, $device ) {
$value = (int) $value;
if ( $value >= 0 ) {
return sprintf( '%s:%s;', $css_prop, $value . 'px' );
}