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<?php
/**
* Icon types registry
*
* @package Icon_Picker
* @author Dzikri Aziz <kvcrvt@gmail.com>
*/
final class Icon_Picker_Types_Registry {
/**
* Icon_Picker_Types_Registry singleton
*
* @static
* @since 0.1.0
* @access protected
* @var Icon_Picker_Types_Registry
*/
protected static $instance;
/**
* Base icon type class name
*
* @access protected
* @since 0.1.0
* @var string
*/
protected $base_class = 'Icon_Picker_Type';
/**
* All types
*
* @access protected
* @since 0.1.0
* @var array
*/
protected $types = array();
/**
* Get instance
*
* @static
* @since 0.1.0
* @param array $args Arguments.
*
* @return Icon_Picker_Types_Registry
*/
public static function instance( $args = array() ) {
if ( is_null( self::$instance ) ) {
self::$instance = new self( $args );
}
return self::$instance;
}
/**
* Getter magic
*
* @since 0.1.0
* @param string $name Property name.
* @return mixed NULL if attribute doesn't exist.
*/
public function __get( $name ) {
if ( isset( $this->$name ) ) {
return $this->$name;
}
return null;
}
/**
* Setter magic
*
* @since 0.1.0
* @return bool
*/
public function __isset( $name ) {
return isset( $this->$name );
}
/**
* Constructor
*
* @since 0.1.0
* @access protected
* @return Icon_Picker_Types_Registry
*/
protected function __construct() {
/**
* Fires when Icon Picker types registry is ready
*
* @since 0.1.0
* @param Icon_Picker_Types_Registry $this Icon_Picker_Types_Registry instance.
*/
do_action( 'icon_picker_types_registry_init', $this );
}
/**
* Register icon type
*
* @since 0.1.0
* @param Icon_Picker_Type $type Icon type.
* @return void
*/
public function add( Icon_Picker_Type $type ) {
if ( $this->is_valid_type( $type ) ) {
$this->types[ $type->id ] = $type;
}
}
/**
* Get icon type
*
* @since 0.1.0
* @param string $id Icon type ID.
* @return mixed Icon type or NULL if it's not registered.
*/
public function get( $id ) {
if ( isset( $this->types[ $id ] ) ) {
return $this->types[ $id ];
}
return null;
}
/**
* Check if icon type is valid
*
* @since 0.1.0
* @param Icon_Picker_Type $type Icon type.
* @return bool
*/
protected function is_valid_type( Icon_Picker_Type $type ) {
foreach ( array( 'id', 'controller' ) as $var ) {
$value = $type->$var;
if ( empty( $value ) ) {
trigger_error( esc_html( sprintf( 'Icon Picker: "%s" cannot be empty.', $var ) ) );
return false;
}
}
if ( isset( $this->types[ $type->id ] ) ) {
trigger_error( esc_html( sprintf( 'Icon Picker: Icon type %s is already registered. Please use a different ID.', $type->id ) ) );
return false;
}
return true;
}
/**
* Get all icon types for JS
*
* @since 0.1.0
* @return array
*/
public function get_types_for_js() {
$types = array();
$names = array();
foreach ( $this->types as $type ) {
$types[ $type->id ] = $type->get_props();
$names[ $type->id ] = $type->name;
}
array_multisort( $names, SORT_ASC, $types );
return $types;
}
}