function gf_signature()
{
return GFSignature::get_instance();
}
public function ajax_delete_signature()
{
check_ajax_referer('gf_delete_signature', 'gf_delete_signature');
$lead_id = intval($_POST['lead_id']);
$field_id = intval($_POST['field_id']);
if (!$this->delete_signature($lead_id, $field_id)) {
_e('There was an issue deleting this signature.', 'gravityformssignature');
}
die;
}
public function delete_signature($lead_id, $field_id)
{
global $wpdb;
$lead = RGFormsModel::get_lead($lead_id);
$form = RGFormsModel::get_form_meta($lead['form_id']);
$this->delete_signature_file(rgar($lead, $field_id));
$lead_detail_table = RGFormsModel::get_lead_details_table_name();
$sql = $wpdb->prepare("UPDATE {$lead_detail_table} SET value = '' WHERE lead_id=%d AND field_number BETWEEN %s AND %s", $lead_id, doubleval($field_id) - 0.001, doubleval($field_id) + 0.001);
return $wpdb->query($sql);
}
public function delete_signature_file($filename)
{
$folder = RGFormsModel::get_upload_root() . "/signatures/";
$file_path = $folder . $filename;
if (file_exists($file_path)) {
unlink($file_path);
}
}
}
GFSignature::get_instance();
}
<?php
/**
* Display the signature field type
*
* @package GravityView
* @subpackage GravityView/templates/fields
*/
$gravityview_view = GravityView_View::getInstance();
extract($gravityview_view->getCurrentField());
// If empty, there's no signature to show
if (empty($value)) {
return;
}
if (!class_exists('GFSignature')) {
do_action('gravityview_log_error', '[fields/signature.php] GFSignature not loaded.');
return;
}
$image_atts = array('src' => GFSignature::get_instance()->get_signature_url($value), 'width' => rgblank(rgget("boxWidth", $field)) ? '300' : rgar($field, "boxWidth"), 'height' => '180', 'validate_src' => false, 'alt' => '');
echo new GravityView_Image($image_atts);
/**
* Trigger hooks that are normally run in the admin for Addons, but need to be triggered manually because we're not in the admin
* @return void
*/
private function addon_specific_hooks()
{
if (class_exists('GFSignature') && is_callable(array('GFSignature', 'get_instance'))) {
add_filter('gform_admin_pre_render', array(GFSignature::get_instance(), 'edit_lead_script'));
}
}
