class-gravityview-field-calculation.php

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<?php
/**
 * @file class-gravityview-field-calculation.php
 * @package GravityView
 * @subpackage includes\fields
 */

class GravityView_Field_Calculation extends GravityView_Field {

    var $name = 'calculation';

    var $is_searchable = false;

    var $group = 'pricing';

    var $_gf_field_class_name = 'GF_Field_Calculation';

    /**
     * GravityView_Field_Calculation constructor.
     */
    public function __construct() {

        $this->label = esc_html__( 'Calculation', 'gk-gravityview' );

        add_filter( 'gravityview_blocklist_field_types', array( $this, 'blocklist_field_types' ), 10, 2 );

        parent::__construct();
    }

    /**
     * @depecated 2.14
     */
    public function blacklist_field_types( $field_types = array(), $context = '' ) {
        _deprecated_function( __METHOD__, '2.14', 'GravityView_Field_Calculation::blocklist_field_types' );
        return $this->blocklist_field_types( $field_types, $context );
    }


    /**
     * Don't show the Calculation field in field picker
     *
     * @since 2.14
     *
     * @param array $field_types Array of field types
     * @param string $context
     *
     * @return array Field types with calculation added, if not Edit Entry context
     */
    public function blocklist_field_types( $field_types = array(), $context = '' ) {

        // Allow Calculation field in Edit Entry
        if( 'edit' !== $context ) {
            $field_types[] = $this->name;
        }

        return $field_types;
    }
}

new GravityView_Field_Calculation;