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<?php if ( ! defined( 'ABSPATH' ) ) exit;

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abstract class NF_Abstracts_Metabox

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{

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protected $_id = ''; // Dynamically set in constructor using the class name.

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protected $_title = ''; // Should be set (and translated) in the constructor.

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protected $_callback = 'render_metabox';

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protected $_post_types = array();

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protected $_context = 'side';

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protected $_priority = 'default';

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protected $_callback_args = array();

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protected $_capability = 'edit_post';

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public function __construct()

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{

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$this->_id = strtolower( get_class( $this ) );

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$this->_title = esc_html__( 'Metabox', 'ninja-forms' );

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add_action( 'save_post', array( $this, '_save_post' ) );

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add_action( 'add_meta_boxes', array( $this, 'add_meta_boxes' ) );

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}

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public function add_meta_boxes()

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{

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add_meta_box(

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$this->_id,

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$this->_title,

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array( $this, $this->_callback ),

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$this->_post_types,

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$this->_context,

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$this->_priority,

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$this->_callback_args

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);

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}

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abstract public function render_metabox( $post, $metabox );

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public function _save_post( $post_id )

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{

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// If this is an autosave, our form has not been submitted, so we don't want to do anything.

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if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) return;

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$this->save_post( $post_id );

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}

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protected function save_post( $post_id )

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{

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// This section intentionally left blank.

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}

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}

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