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<?php
defined( 'ABSPATH' ) || die;
/**
* The color field which uses WordPress color picker to select a color.
*/
class RWMB_Color_Field extends RWMB_Input_Field {
public static function admin_enqueue_scripts() {
wp_enqueue_style( 'rwmb-color', RWMB_CSS_URL . 'color.css', [ 'wp-color-picker' ], RWMB_VER );
$dependencies = [ 'wp-color-picker' ];
$args = func_get_args();
$field = reset( $args );
if ( ! empty( $field['alpha_channel'] ) ) {
wp_enqueue_script( 'wp-color-picker-alpha', RWMB_JS_URL . 'wp-color-picker-alpha/wp-color-picker-alpha.min.js', [ 'wp-color-picker' ], RWMB_VER, true );
$dependencies = [ 'wp-color-picker-alpha' ];
}
wp_enqueue_script( 'rwmb-color', RWMB_JS_URL . 'color.js', $dependencies, RWMB_VER, true );
}
/**
* Normalize parameters for field.
*
* @param array $field Field parameters.
*
* @return array
*/
public static function normalize( $field ) {
$field = wp_parse_args( $field, [
'alpha_channel' => false,
'js_options' => [],
] );
$field['js_options'] = wp_parse_args( $field['js_options'], [
'defaultColor' => false,
'hide' => true,
'palettes' => true,
] );
$field = parent::normalize( $field );
return $field;
}
/**
* Get the attributes for a field.
*
* @param array $field Field parameters.
* @param mixed $value Meta value.
*
* @return array
*/
public static function get_attributes( $field, $value = null ) {
$attributes = parent::get_attributes( $field, $value );
$attributes = wp_parse_args( $attributes, [
'data-options' => wp_json_encode( $field['js_options'] ),
] );
$attributes['type'] = 'text';
if ( $field['alpha_channel'] ) {
$attributes['data-alpha-enabled'] = 'true';
$attributes['data-alpha-color-type'] = 'hex';
}
return $attributes;
}
/**
* Format a single value for the helper functions. Sub-fields should overwrite this method if necessary.
*
* @param array $field Field parameters.
* @param string $value The value.
* @param array $args Additional arguments. Rarely used. See specific fields for details.
* @param int|null $post_id Post ID. null for current post. Optional.
*
* @return string
*/
public static function format_single_value( $field, $value, $args, $post_id ) {
return sprintf( "<span style='display:inline-block;width:20px;height:20px;border-radius:50%%;background:%s;'></span>", $value );
}
}