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<p>
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<?php echo sprintf( __( 'To integrate with Ninja Forms, add the "Mailchimp" action to <a href="%s">one of your Ninja Forms forms</a>.', 'mailchimp-for-wp' ), admin_url( 'admin.php?page=ninja-forms' ) ); ?>
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</p>
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<?php
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mc4wp_register_integration( 'ninja-forms', 'MC4WP_Ninja_Forms_Integration', true );
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if ( class_exists( 'Ninja_Forms' ) && method_exists( 'Ninja_Forms', 'instance' ) ) {
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$ninja_forms = Ninja_Forms::instance();
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if ( isset( $ninja_forms->fields ) ) {
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$ninja_forms->fields['mc4wp_optin'] = new MC4WP_Ninja_Forms_Field();
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}
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if ( isset( $ninja_forms->actions ) ) {
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$ninja_forms->actions['mc4wp_subscribe'] = new MC4WP_Ninja_Forms_Action();
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}
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}
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@@ -0,0 +1,149 @@
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<?php if ( ! defined( 'ABSPATH' ) ) {
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exit;
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}
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/**
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* Class MC4WP_Ninja_Forms_Action
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*/
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final class MC4WP_Ninja_Forms_Action extends NF_Abstracts_ActionNewsletter {
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/**
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* @var string
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*/
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protected $_name = 'mc4wp_subscribe';
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/**
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* Constructor
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*/
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public function __construct() {
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parent::__construct();
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$this->_nicename = __( 'Mailchimp', 'mailchimp-for-wp' );
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$prefix = $this->get_name();
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unset( $this->_settings[ $prefix . 'newsletter_list_groups' ] );
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$this->_settings['double_optin'] = array(
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'name' => 'double_optin',
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'type' => 'select',
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'label' => __( 'Use double opt-in?', 'mailchimp-for-wp' ),
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'width' => 'full',
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'group' => 'primary',
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'value' => 1,
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'options' => array(
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array(
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'value' => 1,
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'label' => 'Yes',
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),
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array(
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'value' => 0,
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'label' => 'No',
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),
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),
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);
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$this->_settings['update_existing'] = array(
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'name' => 'update_existing',
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'type' => 'select',
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'label' => __( 'Update existing subscribers?', 'mailchimp-for-wp' ),
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'width' => 'full',
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'group' => 'primary',
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'value' => 0,
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'options' => array(
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array(
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'value' => 1,
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'label' => 'Yes',
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),
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array(
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'value' => 0,
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'label' => 'No',
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),
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),
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);
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// $this->_settings[ 'replace_interests' ] = array(
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// 'name' => 'replace_interests',
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// 'type' => 'select',
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// 'label' => __( 'Replace existing interest groups?', 'mailchimp-for-wp'),
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// 'width' => 'full',
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// 'group' => 'primary',
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// 'value' => 0,
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// 'options' => array(
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// array(
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// 'value' => 1,
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// 'label' => 'Yes',
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// ),
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// array(
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// 'value' => 0,
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// 'label' => 'No',
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// ),
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// ),
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// );
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}
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/*
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* PUBLIC METHODS
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*/
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public function save( $action_settings ) {
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}
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public function process( $action_settings, $form_id, $data ) {
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if ( empty( $action_settings['newsletter_list'] ) || empty( $action_settings['EMAIL'] ) ) {
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return;
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}
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// find "mc4wp_optin" type field, bail if not checked.
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foreach ( $data['fields'] as $field_data ) {
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if ( $field_data['type'] === 'mc4wp_optin' && empty( $field_data['value'] ) ) {
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return;
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}
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}
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$list_id = $action_settings['newsletter_list'];
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$email_address = $action_settings['EMAIL'];
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$mailchimp = new MC4WP_MailChimp();
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$merge_fields = $mailchimp->get_list_merge_fields( $list_id );
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foreach ( $merge_fields as $merge_field ) {
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if ( ! empty( $action_settings[ $merge_field->tag ] ) ) {
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$merge_fields[ $merge_field->tag ] = $action_settings[ $merge_field->tag ];
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}
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}
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$double_optin = (int) $action_settings['double_optin'] !== 0;
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$update_existing = (int) $action_settings['update_existing'] === 1;
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$replace_interests = isset( $action_settings['replace_interests'] ) && (int) $action_settings['replace_interests'] === 1;
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do_action( 'mc4wp_integration_ninja_forms_subscribe', $email_address, $merge_fields, $list_id, $double_optin, $update_existing, $replace_interests, $form_id );
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}
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protected function get_lists() {
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$mailchimp = new MC4WP_MailChimp();
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/** @var array $lists */
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$lists = $mailchimp->get_lists();
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$return = array();
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foreach ( $lists as $list ) {
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$list_fields = array();
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foreach ( $mailchimp->get_list_merge_fields( $list->id ) as $merge_field ) {
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$list_fields[] = array(
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'value' => $merge_field->tag,
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'label' => $merge_field->name,
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);
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}
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// TODO: Add support for groups once base class supports this.
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$return[] = array(
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'value' => $list->id,
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'label' => $list->name,
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'fields' => $list_fields,
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);
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}
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return $return;
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}
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}
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@@ -0,0 +1,95 @@
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<?php if ( ! defined( 'ABSPATH' ) ) {
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exit;
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}
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/**
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* Class MC4WP_Ninja_Forms_Field
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*/
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class MC4WP_Ninja_Forms_Field extends NF_Abstracts_Input {
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protected $_name = 'mc4wp_optin';
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protected $_nicename = 'Mailchimp';
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protected $_section = 'misc';
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protected $_type = 'checkbox';
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protected $_icon = 'check-square-o';
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protected $_templates = 'checkbox';
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protected $_test_value = 0;
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protected $_settings = array( 'checkbox_default_value', 'checked_calc_value', 'unchecked_calc_value' );
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protected $_settings_exclude = array( 'default', 'placeholder', 'input_limit_set', 'checkbox_values' );
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/**
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* NF_Fields_Checkbox constructor.
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* @since 3.0
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*/
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public function __construct() {
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parent::__construct();
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$this->_nicename = __( 'Mailchimp opt-in', 'mailchimp-for-wp' );
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$this->_settings['label_pos']['value'] = 'right';
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add_filter( 'ninja_forms_custom_columns', array( $this, 'custom_columns' ), 10, 2 );
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}
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/**
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* Admin Form Element
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* Display the checkbox on the edit submissions area.
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* @since 3.0
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*
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* @param $id Field ID.
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* @param $value Field value.
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* @return string HTML used for display of checkbox.
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*/
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public function admin_form_element( $id, $value ) {
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// If the checkboxes value is one...
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if ( 1 === (int) $value ) {
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// ...this variable to checked.
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$checked = 'checked';
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} else {
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// ...else leave the variable empty.
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$checked = '';
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}
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// Return HTML to be output to the submission edit page.
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return "<input type='hidden' name='fields[$id]' value='0' ><input type='checkbox' name='fields[$id]' value='1' id='' $checked>";
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}
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/**
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* Custom Columns
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* Creates what is displayed in the columns on the submissions page.
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* @since 3.0
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*
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* @param string $value checkbox value
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* @param MC4WP_Ninja_Forms_Field $field field model.
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* @return $value string|void
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*/
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public function custom_columns( $value, $field ) {
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// If the field type is equal to checkbox...
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if ( 'mc4wp_optin' === $field->get_setting( 'type' ) ) {
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// Backwards compatibility check for the new checked value setting.
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if ( null === $field->get_setting( 'checked_value' ) && 1 === (int) $value ) {
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return __( 'Checked', 'ninja-forms' );
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} elseif ( null === $field->get_setting( 'unchecked_value' ) && 0 === (int) $value ) {
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return __( 'Unchecked', 'ninja-forms' );
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}
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// If the field value is set to 1....
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if ( 1 === (int) $value ) {
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// Set the value to the checked value setting.
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$value = $field->get_setting( 'checked_value' );
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} else {
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// Else set the value to the unchecked value setting.
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$value = $field->get_setting( 'unchecked_value' );
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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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@@ -0,0 +1,70 @@
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<?php
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defined( 'ABSPATH' ) or exit;
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/**
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* Class MC4WP_Ninja_Forms_Integration
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*
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* @ignore
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*/
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class MC4WP_Ninja_Forms_Integration extends MC4WP_Integration {
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/**
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* @var string
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*/
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public $name = 'Ninja Forms';
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/**
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* @var string
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*/
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public $description = 'Subscribe visitors from your Ninja Forms forms.';
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/**
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* Add hooks
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*/
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public function add_hooks() {
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add_action( 'mc4wp_integration_ninja_forms_subscribe', array( $this, 'subscribe_from_ninja_forms' ), 10, 7 );
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}
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public function subscribe_from_ninja_forms( $email_address, $merge_fields, $list_id, $double_optin = true, $update_existing = false, $replace_interests = false, $form_id = 0 ) {
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// set options from parameters (coming from action)
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$orig_options = $this->options;
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$this->options['double_optin'] = $double_optin;
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$this->options['update_existing'] = $update_existing;
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$this->options['replace_interests'] = $replace_interests;
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$this->options['lists'] = array( $list_id );
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$data = $merge_fields;
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$data['EMAIL'] = $email_address;
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$this->subscribe( $data, $form_id );
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// revert to original options
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$this->options = $orig_options;
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}
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/**
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* @return bool
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*/
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public function is_installed() {
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return class_exists( 'Ninja_Forms' );
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}
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/**
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* @since 3.0
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* @return array
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*/
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public function get_ui_elements() {
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return array();
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}
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/**
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* @param int $form_id
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* @return string
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*/
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public function get_object_link( $form_id ) {
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return '<a href="' . admin_url( sprintf( 'admin.php?page=ninja-forms&form_id=%d', $form_id ) ) . '">Ninja Forms</a>';
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}
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}
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