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

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/**

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* Class NF_Field_Shipping

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class NF_Fields_Shipping extends NF_Abstracts_Input

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{

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protected $_name = 'shipping';

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protected $_section = '';

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protected $_icon = 'truck';

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protected $_aliases = array();

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protected $_type = 'shipping';

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protected $_templates = 'shipping';

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protected $_test_value = '0.00';

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protected $_settings = array( 'shipping_type', 'shipping_cost', 'shipping_options' );

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protected $_settings_exclude = array( 'input_limit_set', 'disable_input', 'required' );

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public function __construct()

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{

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parent::__construct();

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$this->_nicename = esc_html__( 'Shipping', 'ninja-forms' );

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add_filter( 'ninja-forms-field-settings-groups', array( $this, 'add_setting_group' ) );

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add_filter( 'ninja_forms_merge_tag_value_shipping', array( $this, 'merge_tag_value' ), 10, 2 );

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}

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public function add_setting_group( $groups )

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{

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$groups[ 'advanced_shipping' ] = array(

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'id' => 'advanced_shipping',

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'label' => esc_html__( 'Advanced Shipping', 'ninja-forms' ),

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);

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return $groups;

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}

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public function admin_form_element( $id, $value )

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{

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$field = Ninja_Forms()->form()->get_field( $id );

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$value = $field->get_setting( 'shipping_cost' );

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switch( $field->get_setting( 'shipping_type' ) ){

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case 'single':

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return "<input class='widefat' name='fields[$id]' value='$value' />";

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case 'select':

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$options = '<option>--</option>';

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foreach( $field->get_setting( 'shipping_options' ) as $option ){

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$selected = ( $value == $option[ 'value' ] ) ? "selected" : '';

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$options .= "<option value='{$option[ 'value' ]}' $selected>{$option[ 'label' ]}</option>";

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}

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return "<select class='widefat' name='fields[$id]' id=''>$options</select>";

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default:

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return "";

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}

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}

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public function merge_tag_value( $value, $field )

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{

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if( isset( $field[ 'shipping_type' ] ) ){

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switch( $field[ 'shipping_type' ] ){

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case 'single':

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$value = $field[ 'shipping_cost' ];

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break;

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case 'select':

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$value = $field[ 'shipping_options' ];

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break;

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}

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}

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$value = preg_replace ('/[^\d,\.]/', '', $value );

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return $value;

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}

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}

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