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<?php
/**
* CMB colorpicker field type
*
* @since 2.2.2
*
* @category WordPress_Plugin
* @package CMB2
* @author CMB2 team
* @license GPL-2.0+
* @link https://cmb2.io
*/
class CMB2_Type_Colorpicker extends CMB2_Type_Text {
/**
* The optional value for the colorpicker field
*
* @var string
*/
public $value = '';
/**
* Constructor
*
* @since 2.2.2
*
* @param CMB2_Types $types Object for the field type.
* @param array $args Array of arguments for the type.
* @param string $value Value that the field type is currently set to, or default value.
*/
public function __construct( CMB2_Types $types, $args = array(), $value = '' ) {
parent::__construct( $types, $args );
$this->value = $value ? $value : $this->value;
}
/**
* Render the field for the field type.
*
* @since 2.2.2
*
* @param array $args Array of arguments for the rendering.
*
* @return CMB2_Type_Base|string
*/
public function render( $args = array() ) {
$meta_value = $this->value ? $this->value : $this->field->escaped_value();
$meta_value = self::sanitize_color( $meta_value );
wp_enqueue_style( 'wp-color-picker' );
$args = wp_parse_args( $args, array(
'class' => 'cmb2-text-small',
) );
$args['class'] .= ' cmb2-colorpicker';
$args['value'] = $meta_value;
$args['js_dependencies'] = array( 'wp-color-picker' );
if ( $this->field->options( 'alpha' ) ) {
$args['js_dependencies'][] = 'wp-color-picker-alpha';
$args['data-alpha'] = 'true';
}
$args = wp_parse_args( $this->args, $args );
return parent::render( $args );
}
/**
* Sanitizes the given color, or array of colors.
*
* @since 2.9.0
*
* @param string|array $color The color or array of colors to sanitize.
*
* @return string|array The color or array of colors, sanitized.
*/
public static function sanitize_color( $color ) {
if ( is_array( $color ) ) {
$color = array_map( array( 'CMB2_Type_Colorpicker', 'sanitize_color' ), $color );
} else {
// Regexp for hexadecimal colors
$hex_color = '(([a-fA-F0-9]){3}){1,2}$';
if ( preg_match( '/^' . $hex_color . '/i', $color ) ) {
// Value is just 123abc, so prepend #
$color = '#' . $color;
} elseif (
// If value doesn't match #123abc...
! preg_match( '/^#' . $hex_color . '/i', $color )
// And value doesn't match rgba()...
&& 0 !== strpos( trim( $color ), 'rgba' )
) {
// Then sanitize to just #.
$color = '#';
}
}
return $color;
}
/**
* Provide the option to use a rgba colorpicker.
*
* @since 2.2.6.2
*/
public static function dequeue_rgba_colorpicker_script() {
if ( wp_script_is( 'jw-cmb2-rgba-picker-js', 'enqueued' ) ) {
wp_dequeue_script( 'jw-cmb2-rgba-picker-js' );
CMB2_JS::register_colorpicker_alpha( true );
}
}
}