File "Background.php"
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<?php
/**
* Override field methods
*
* @package kirki-framework/control-background
* @copyright Copyright (c) 2023, Themeum
* @license https://opensource.org/licenses/MIT
* @since 1.0
*/
namespace Kirki\Field;
use Kirki;
use Kirki\Field;
use Kirki\URL;
/**
* Field overrides.
*
* @since 1.0
*/
class Background extends Field {
/**
* The field type.
*
* @access public
* @since 1.0
* @var string
*/
public $type = 'kirki-background';
/**
* Extra logic for the field.
*
* Adds all sub-fields.
*
* @access public
* @param array $args The arguments of the field.
*/
public function init( $args ) {
$args['required'] = isset( $args['required'] ) ? (array) $args['required'] : [];
$args['kirki_config'] = isset( $args['kirki_config'] ) ? $args['kirki_config'] : 'global';
/**
* Add a hidden field, the label & description.
*/
new \Kirki\Field\Generic(
wp_parse_args(
[
'type' => 'kirki-generic',
'default' => '',
'choices' => [
'type' => 'hidden',
'parent_type' => 'kirki-background',
],
'sanitize_callback' => [ '\Kirki\Field\Background', 'sanitize' ],
],
$args
)
);
$args['parent_setting'] = $args['settings'];
$args['output'] = [];
$args['wrapper_attrs'] = [
'data-kirki-parent-control-type' => 'kirki-background',
];
if ( isset( $args['transport'] ) && 'auto' === $args['transport'] ) {
$args['transport'] = 'postMessage';
}
$default_bg_color = isset( $args['default']['background-color'] ) ? $args['default']['background-color'] : '';
/**
* Background Color.
*/
new \Kirki\Field\Color(
wp_parse_args(
[
'settings' => $args['settings'] . '[background-color]',
'label' => '',
'description' => esc_html__( 'Background Color', 'kirki' ),
'default' => $default_bg_color,
'section' => $args['section'],
'choices' => [
'alpha' => true,
],
],
$args
)
);
/**
* Background Image.
*/
new \Kirki\Field\Image(
wp_parse_args(
[
'settings' => $args['settings'] . '[background-image]',
'label' => '',
'description' => esc_html__( 'Background Image', 'kirki' ),
'default' => isset( $args['default']['background-image'] ) ? $args['default']['background-image'] : '',
'section' => $args['section'],
],
$args
)
);
/**
* Background Repeat.
*/
new Kirki\Field\Select(
wp_parse_args(
[
'settings' => $args['settings'] . '[background-repeat]',
'label' => '',
'description' => esc_html__( 'Background Repeat', 'kirki' ),
'section' => $args['section'],
'default' => isset( $args['default']['background-repeat'] ) ? $args['default']['background-repeat'] : '',
'choices' => [
'no-repeat' => esc_html__( 'No Repeat', 'kirki' ),
'repeat' => esc_html__( 'Repeat All', 'kirki' ),
'repeat-x' => esc_html__( 'Repeat Horizontally', 'kirki' ),
'repeat-y' => esc_html__( 'Repeat Vertically', 'kirki' ),
],
'required' => array_merge(
$args['required'],
[
[
'setting' => $args['settings'],
'operator' => '!=',
'value' => '',
'choice' => 'background-image',
],
]
),
],
$args
)
);
/**
* Background Position.
*/
new Kirki\Field\Select(
wp_parse_args(
[
'settings' => $args['settings'] . '[background-position]',
'label' => '',
'description' => esc_html__( 'Background Position', 'kirki' ),
'default' => isset( $args['default']['background-position'] ) ? $args['default']['background-position'] : '',
'section' => $args['section'],
'choices' => [
'left top' => esc_html__( 'Left Top', 'kirki' ),
'left center' => esc_html__( 'Left Center', 'kirki' ),
'left bottom' => esc_html__( 'Left Bottom', 'kirki' ),
'center top' => esc_html__( 'Center Top', 'kirki' ),
'center center' => esc_html__( 'Center Center', 'kirki' ),
'center bottom' => esc_html__( 'Center Bottom', 'kirki' ),
'right top' => esc_html__( 'Right Top', 'kirki' ),
'right center' => esc_html__( 'Right Center', 'kirki' ),
'right bottom' => esc_html__( 'Right Bottom', 'kirki' ),
],
'required' => array_merge(
$args['required'],
[
[
'setting' => $args['settings'],
'operator' => '!=',
'value' => '',
'choice' => 'background-image',
],
]
),
],
$args
)
);
/**
* Background size.
*/
new Kirki\Field\Radio_Buttonset(
wp_parse_args(
[
'settings' => $args['settings'] . '[background-size]',
'label' => '',
'description' => esc_html__( 'Background Size', 'kirki' ),
'default' => isset( $args['default']['background-size'] ) ? $args['default']['background-size'] : '',
'section' => $args['section'],
'choices' => [
'cover' => esc_html__( 'Cover', 'kirki' ),
'contain' => esc_html__( 'Contain', 'kirki' ),
'auto' => esc_html__( 'Auto', 'kirki' ),
],
'required' => array_merge(
$args['required'],
[
[
'setting' => $args['settings'],
'operator' => '!=',
'value' => '',
'choice' => 'background-image',
],
]
),
],
$args
)
);
/**
* Background attachment.
*/
new Kirki\Field\Radio_Buttonset(
wp_parse_args(
[
'type' => 'kirki-radio-buttonset',
'settings' => $args['settings'] . '[background-attachment]',
'description' => esc_html__( 'Background Attachment', 'kirki' ),
'label' => '',
'default' => isset( $args['default']['background-attachment'] ) ? $args['default']['background-attachment'] : '',
'section' => $args['section'],
'choices' => [
'scroll' => esc_html__( 'Scroll', 'kirki' ),
'fixed' => esc_html__( 'Fixed', 'kirki' ),
],
'required' => array_merge(
$args['required'],
[
[
'setting' => $args['settings'],
'operator' => '!=',
'value' => '',
'choice' => 'background-image',
],
]
),
],
$args
)
);
add_action( 'customize_preview_init', [ $this, 'enqueue_scripts' ] );
add_filter( 'kirki_output_control_classnames', [ $this, 'output_control_classnames' ] );
}
/**
* Sets the $sanitize_callback
*
* @access protected
* @since 1.0
* @return void
*/
protected function set_sanitize_callback() {
// If a custom sanitize_callback has been defined,
// then we don't need to proceed any further.
if ( ! empty( $this->sanitize_callback ) ) {
return;
}
$this->sanitize_callback = [ '\Kirki\Field\Background', 'sanitize' ];
}
/**
* Sanitizes background controls
*
* @static
* @access public
* @since 1.0
* @param array $value The value.
* @return array
*/
public static function sanitize( $value ) {
if ( ! is_array( $value ) ) {
return [];
}
$sanitized_value = [
'background-color' => '',
'background-image' => '',
'background-repeat' => '',
'background-position' => '',
'background-size' => '',
'background-attachment' => '',
];
if ( isset( $value['background-color'] ) ) {
$sanitized_value['background-color'] = \Kirki\Field\Color::sanitize( $value['background-color'] );
}
if ( isset( $value['background-image'] ) ) {
$sanitized_value['background-image'] = esc_url_raw( $value['background-image'] );
}
if ( isset( $value['background-repeat'] ) ) {
$sanitized_value['background-repeat'] = in_array(
$value['background-repeat'],
[
'no-repeat',
'repeat',
'repeat-x',
'repeat-y',
],
true
) ? $value['background-repeat'] : '';
}
if ( isset( $value['background-position'] ) ) {
$sanitized_value['background-position'] = in_array(
$value['background-position'],
[
'left top',
'left center',
'left bottom',
'center top',
'center center',
'center bottom',
'right top',
'right center',
'right bottom',
],
true
) ? $value['background-position'] : '';
}
if ( isset( $value['background-size'] ) ) {
$sanitized_value['background-size'] = in_array(
$value['background-size'],
[
'cover',
'contain',
'auto',
],
true
) ? $value['background-size'] : '';
}
if ( isset( $value['background-attachment'] ) ) {
$sanitized_value['background-attachment'] = in_array(
$value['background-attachment'],
[
'scroll',
'fixed',
],
true
) ? $value['background-attachment'] : '';
}
return $sanitized_value;
}
/**
* Sets the $js_vars
*
* @access protected
* @since 1.0
* @return void
*/
protected function set_js_vars() {
// Typecast to array.
$this->js_vars = (array) $this->js_vars;
// Check if transport is set to auto.
// If not, then skip the auto-calculations and exit early.
if ( 'auto' !== $this->transport ) {
return;
}
// Set transport to refresh initially.
// Serves as a fallback in case we failt to auto-calculate js_vars.
$this->transport = 'refresh';
$js_vars = [];
// Try to auto-generate js_vars.
// First we need to check if js_vars are empty, and that output is not empty.
if ( empty( $this->js_vars ) && ! empty( $this->output ) ) {
// Start going through each item in the $output array.
foreach ( $this->output as $output ) {
// If 'element' is not defined, skip this.
if ( ! isset( $output['element'] ) ) {
continue;
}
if ( is_array( $output['element'] ) ) {
$output['element'] = implode( ',', $output['element'] );
}
// If there's a sanitize_callback defined, skip this.
if ( isset( $output['sanitize_callback'] ) && ! empty( $output['sanitize_callback'] ) ) {
continue;
}
// If we got this far, it's safe to add this.
$js_vars[] = $output;
}
// Did we manage to get all the items from 'output'?
// If not, then we're missing something so don't add this.
if ( count( $js_vars ) !== count( $this->output ) ) {
return;
}
$this->js_vars = $js_vars;
$this->transport = 'postMessage';
}
}
/**
* Override parent method. No need to register any setting.
*
* @access public
* @since 0.1
* @param WP_Customize_Manager $wp_customize The customizer instance.
* @return void
*/
public function add_setting( $wp_customize ) {}
/**
* Override the parent method. No need for a control.
*
* @access public
* @since 0.1
* @param WP_Customize_Manager $wp_customize The customizer instance.
* @return void
*/
public function add_control( $wp_customize ) {}
/**
* Enqueue scripts & styles.
*
* @access public
* @since 1.0
* @return void
*/
public function enqueue_scripts() {
wp_enqueue_script( 'kirki-typography', URL::get_from_path( __DIR__ ) . '/script.js', [ 'wp-hooks' ], '1.0', true );
}
/**
* Adds a custom output class for typography fields.
*
* @access public
* @since 1.0
* @param array $classnames The array of classnames.
* @return array
*/
public function output_control_classnames( $classnames ) {
$classnames['kirki-background'] = '\Kirki\Field\CSS\Background';
return $classnames;
}
}