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<?php namespace Imagely\NGG\Admin; /** * Form Manager for NextGEN Gallery admin forms. * * Manages form registration and ordering in the admin interface. / class FormManager { /* * Singleton instance. * * @var FormManager\|null / protected static $instance = null; /* * Registered forms array. * * @var array / protected $forms = []; /* * Gets the singleton instance. * * @return FormManager The FormManager instance. / public static function get_instance() { if ( ! isset( self::$instance ) ) { self::$instance = new FormManager(); } return self::$instance; } /* * Moves the registration of the first form so that it follows the second form. * * @param string $type Which form grouping to manipulate. * @param string $form_name The name of the form to move. * @param string $form_to_follow_name The form that $form_name will follow. * @return void / public function move_form_to_follow_other_form( string $type, string $form_name, string $form_to_follow_name ) { if ( ! is_array( $this->forms[ $type ] ) ) { return; } $index_one = array_search( $form_name, $this->forms[ $type ], true ); $index_two = array_search( $form_to_follow_name, $this->forms[ $type ], true ); if ( ! $index_one \|\| ! $index_two ) { return; } $value = $this->forms[ $type ][ $index_one ]; unset( $this->forms[ $type ][ $index_one ] ); array_splice( $this->forms[ $type ], $index_two + 1, 0, $value ); } /* * Adds one or more forms to a form type. * * @param string $type The form type. * @param array\|string $form_names Form name(s) to add. * @return int Results of get_form_count($type) / public function add_form( $type, $form_names ) { if ( ! isset( $this->forms[ $type ] ) ) { $this->forms[ $type ] = []; } if ( ! is_array( $form_names ) ) { $form_names = [ $form_names ]; } foreach ( $form_names as $form ) { $this->forms[ $type ][] = $form; } return $this->get_form_count( $type ); } /* * Gets forms of a specific type. * * @param string $type The form type. * @param bool $instantiate Whether to instantiate the forms (optional). * @return array Array of forms. / public function get_forms( $type, $instantiate = false ) { $retval = []; if ( isset( $this->forms[ $type ] ) ) { if ( ! $instantiate ) { $retval = $this->forms[ $type ]; } else { foreach ( $this->forms[ $type ] as $context ) { if ( class_exists( '\C_Component_Registry' ) ) { $retval[] = \C_Component_Registry::get_instance()->get_utility( 'I_Form', $context ); } } } } return $retval; } /* * Gets the count of forms for a specific type. * * @param string $type Form type. * @return int Number of forms. */ public function get_form_count( $type ) { return ( isset( $this->forms[ $type ] ) ) ? count( $this->forms[ $type ] ) : 0; } }

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