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

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/**

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* Class NF_Fields_CheckboxList

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*/

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class NF_Fields_ListCheckbox extends NF_Abstracts_List

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{

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protected $_name = 'listcheckbox';

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protected $_type = 'listcheckbox';

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protected $_nicename = 'Checkbox List';

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protected $_section = 'common';

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protected $_icon = 'list';

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protected $_templates = 'listcheckbox';

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protected $_old_classname = 'list-checkbox';

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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__( 'Checkbox List', 'ninja-forms' );

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add_filter( 'ninja_forms_merge_tag_calc_value_' . $this->_type, array( $this, 'get_calc_value' ), 10, 2 );

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}

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public function admin_form_element( $id, $value )

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{

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$form_id = get_post_meta( absint( $_GET[ 'post' ] ), '_form_id', true );

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

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$settings = $field->get_settings();

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$options = $field->get_setting( 'options' );

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$options = apply_filters( 'ninja_forms_render_options', $options, $settings );

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$options = apply_filters( 'ninja_forms_render_options_' . $this->_type, $options, $settings );

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$list = '';

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foreach( $options as $option ){

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$checked = '';

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if( is_array( $value ) && in_array( $option[ 'value' ], $value ) ) $checked = "checked";

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$list .= "<li><label><input type='checkbox' value='{$option[ 'value' ]}' name='fields[$id][]' $checked> {$option[ 'label' ]}</label></li>";

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}

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return "<input type='hidden' name='fields[$id]' value='0' ><ul>$list</ul>";

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}

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public function get_calc_value( $value, $field )

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{

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$selected = explode( ',', $value );

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$value = 0;

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

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foreach ($field['options'] as $option ) {

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if( ! isset( $option[ 'value' ] ) || ! in_array( $option[ 'value' ], $selected ) || ! isset( $option[ 'calc' ] ) || ! is_numeric( $option[ 'calc' ] )) continue;

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$value += $option[ 'calc' ];

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}

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}

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return $value;

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}

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}

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