https://gravitywiz.com/better-pre-submission-confirmation/
Code in Plugin einfügen.
[php]
/**
* Better Pre-submission Confirmation
* http://gravitywiz.com/2012/08/04/better-pre-submission-confirmation/
*/
class GWPreviewConfirmation {
private static $lead;
public static function init() {
add_filter( 'gform_pre_render', array( __class__, 'replace_merge_tags' ) );
}
public static function replace_merge_tags( $form ) {
$current_page = isset(GFFormDisplay::$submission[$form['id']]) ? GFFormDisplay::$submission[$form['id']]['page_number'] : 1;
$fields = array();
// get all HTML fields on the current page
foreach($form['fields'] as &$field) {
// skip all fields on the first page
if(rgar($field, 'pageNumber') <= 1)
continue;
$default_value = rgar($field, 'defaultValue');
preg_match_all('/{.+}/', $default_value, $matches, PREG_SET_ORDER);
if(!empty($matches)) {
// if default value needs to be replaced but is not on current page, wait until on the current page to replace it
if(rgar($field, 'pageNumber') != $current_page) {
$field['defaultValue'] = '';
} else {
$field['defaultValue'] = self::preview_replace_variables($default_value, $form);
}
}
// only run 'content' filter for fields on the current page
if(rgar($field, 'pageNumber') != $current_page)
continue;
$html_content = rgar($field, 'content');
preg_match_all('/{.+}/', $html_content, $matches, PREG_SET_ORDER);
if(!empty($matches)) {
$field['content'] = self::preview_replace_variables($html_content, $form);
}
}
return $form;
}
/**
* Adds special support for file upload, post image and multi input merge tags.
*/
public static function preview_special_merge_tags($value, $input_id, $merge_tag, $field) {
// added to prevent overriding :noadmin filter (and other filters that remove fields)
if( ! $value )
return $value;
$input_type = RGFormsModel::get_input_type($field);
$is_upload_field = in_array( $input_type, array('post_image', 'fileupload') );
$is_multi_input = is_array( rgar($field, 'inputs') );
$is_input = intval( $input_id ) != $input_id;
if( !$is_upload_field && !$is_multi_input )
return $value;
// if is individual input of multi-input field, return just that input value
if( $is_input )
return $value;
$form = RGFormsModel::get_form_meta($field['formId']);
$lead = self::create_lead($form);
$currency = GFCommon::get_currency();
if(is_array(rgar($field, 'inputs'))) {
$value = RGFormsModel::get_lead_field_value($lead, $field);
return GFCommon::get_lead_field_display($field, $value, $currency);
}
switch($input_type) {
case 'fileupload':
$value = self::preview_image_value("input_{$field['id']}", $field, $form, $lead);
$value = self::preview_image_display($field, $form, $value);
break;
default:
$value = self::preview_image_value("input_{$field['id']}", $field, $form, $lead);
$value = GFCommon::get_lead_field_display($field, $value, $currency);
break;
}
return $value;
}
public static function preview_image_value($input_name, $field, $form, $lead) {
$field_id = $field['id'];
$file_info = RGFormsModel::get_temp_filename($form['id'], $input_name);
$source = RGFormsModel::get_upload_url($form['id']) . "/tmp/" . $file_info["temp_filename"];
if(!$file_info)
return '';
switch(RGFormsModel::get_input_type($field)){
case "post_image":
list(,$image_title, $image_caption, $image_description) = explode("|:|", $lead[$field['id']]);
$value = !empty($source) ? $source . "|:|" . $image_title . "|:|" . $image_caption . "|:|" . $image_description : "";
break;
case "fileupload" :
$value = $source;
break;
}
return $value;
}
public static function preview_image_display($field, $form, $value) {
// need to get the tmp $file_info to retrieve real uploaded filename, otherwise will display ugly tmp name
$input_name = "input_" . str_replace('.', '_', $field['id']);
$file_info = RGFormsModel::get_temp_filename($form['id'], $input_name);
$file_path = $value;
if(!empty($file_path)){
$file_path = esc_attr(str_replace(" ", "%20", $file_path));
$value = "" . $file_info['uploaded_filename'] . "";
}
return $value;
}
/**
* Retrieves $lead object from class if it has already been created; otherwise creates a new $lead object.
*/
public static function create_lead( $form ) {
if( empty( self::$lead ) ) {
self::$lead = GFFormsModel::create_lead( $form );
self::clear_field_value_cache( $form );
}
return self::$lead;
}
public static function preview_replace_variables( $content, $form ) {
$lead = self::create_lead($form);
// add filter that will handle getting temporary URLs for file uploads and post image fields (removed below)
// beware, the RGFormsModel::create_lead() function also triggers the gform_merge_tag_filter at some point and will
// result in an infinite loop if not called first above
add_filter('gform_merge_tag_filter', array('GWPreviewConfirmation', 'preview_special_merge_tags'), 10, 4);
$content = GFCommon::replace_variables($content, $form, $lead, false, false, false);
// remove filter so this function is not applied after preview functionality is complete
remove_filter('gform_merge_tag_filter', array('GWPreviewConfirmation', 'preview_special_merge_tags'));
return $content;
}
public static function clear_field_value_cache( $form ) {
if( ! class_exists( 'GFCache' ) )
return;
foreach( $form['fields'] as &$field ) {
if( GFFormsModel::get_input_type( $field ) == 'total' )
GFCache::delete( 'GFFormsModel::get_lead_field_value__' . $field['id'] );
}
}
}
GWPreviewConfirmation::init();
[/php]
