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<?php
/**
* Controls handler
*
* @package Kirki
* @category Core
* @author Aristeides Stathopoulos
* @copyright Copyright (c) 2017, Aristeides Stathopoulos
* @license http://opensource.org/licenses/https://opensource.org/licenses/MIT
*/
/**
* Our main Kirki_Control object
*/
class Kirki_Control {
/**
* The $wp_customize WordPress global.
*
* @access protected
* @var WP_Customize_Manager
*/
protected $wp_customize;
/**
* An array of all available control types.
*
* @access protected
* @var array
*/
protected static $control_types = array();
/**
* The class constructor.
* Creates the actual controls in the customizer.
*
* @access public
* @param array $args The field definition as sanitized in Kirki_Field.
*/
public function __construct( $args ) {
// Set the $wp_customize property.
global $wp_customize;
if ( ! $wp_customize ) {
return;
}
$this->wp_customize = $wp_customize;
// Set the control types.
$this->set_control_types();
// Add the control.
$this->add_control( $args );
}
/**
* Get the class name of the class needed to create tis control.
*
* @access private
* @param array $args The field definition as sanitized in Kirki_Field.
*
* @return string the name of the class that will be used to create this control.
*/
final private function get_control_class_name( $args ) {
// Set a default class name.
$class_name = 'WP_Customize_Control';
// Get the classname from the array of control classnames.
if ( array_key_exists( $args['type'], self::$control_types ) ) {
$class_name = self::$control_types[ $args['type'] ];
}
return $class_name;
}
/**
* Adds the control.
*
* @access protected
* @param array $args The field definition as sanitized in Kirki_Field.
*/
final protected function add_control( $args ) {
// Get the name of the class we're going to use.
$class_name = $this->get_control_class_name( $args );
// Add the control.
$this->wp_customize->add_control( new $class_name( $this->wp_customize, $args['settings'], $args ) );
}
/**
* Sets the $control_types property.
* Makes sure the kirki/control_types filter is applied
* and that the defined classes actually exist.
* If a defined class does not exist, it is removed.
*
* @access private
*/
final private function set_control_types() {
// Early exit if this has already run.
if ( ! empty( self::$control_types ) ) {
return;
}
self::$control_types = apply_filters( 'kirki/control_types', array() );
// Make sure the defined classes actually exist.
foreach ( self::$control_types as $key => $classname ) {
if ( ! class_exists( $classname ) ) {
unset( self::$control_types[ $key ] );
}
}
}
}