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<?php
/**
* Class MC4WP_Form_Output_Manager
*
* @ignore
* @access private
*/
class MC4WP_Form_Output_Manager {
/**
* @var int The # of forms outputted
*/
public $count = 0;
/**
* @const string
*/
const SHORTCODE = 'mc4wp_form';
/**
* Add hooks
*/
public function add_hooks() {
// enable shortcodes in form content
add_filter( 'mc4wp_form_content', 'do_shortcode' );
add_action( 'init', array( $this, 'register_shortcode' ) );
}
/**
* Registers the [mc4wp_form] shortcode
*/
public function register_shortcode() {
add_shortcode( self::SHORTCODE, array( $this, 'shortcode' ) );
}
/**
* @param array $attributes
* @param string $content
* @return string
*/
public function shortcode( $attributes = array(), $content = '' ) {
$default_attributes = array(
'id' => '',
'lists' => '',
'email_type' => '',
'element_id' => '',
'element_class' => '',
);
$attributes = shortcode_atts(
$default_attributes,
$attributes,
self::SHORTCODE
);
$config = array(
'element_id' => $attributes['element_id'],
'lists' => $attributes['lists'],
'email_type' => $attributes['email_type'],
'element_class' => $attributes['element_class'],
);
return $this->output_form( $attributes['id'], $config, false );
}
/**
* @param int $id
* @param array $config
* @param bool $echo
*
* @return string
*/
public function output_form( $id = 0, $config = array(), $echo = true ) {
try {
$form = mc4wp_get_form( $id );
} catch ( Exception $e ) {
if ( current_user_can( 'manage_options' ) ) {
return sprintf( '<strong>Mailchimp for WordPress error:</strong> %s', $e->getMessage() );
}
return '';
}
$this->count++;
// set a default element_id if none is given
if ( empty( $config['element_id'] ) ) {
$config['element_id'] = 'mc4wp-form-' . $this->count;
}
$form_html = $form->get_html( $config['element_id'], $config );
try {
// start new output buffer
ob_start();
/**
* Runs just before a form element is outputted.
*
* @since 3.0
*
* @param MC4WP_Form $form
*/
do_action( 'mc4wp_output_form', $form );
// output the form (in output buffer)
echo $form_html;
// grab all contents in current output buffer & then clean + end it.
$html = ob_get_clean();
} catch ( Error $e ) {
$html = $form_html;
}
// echo content if necessary
if ( $echo ) {
echo $html;
}
return $html;
}
}
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