/**
* Echos the list of alerts
* @since 0.1
*/
public static function render()
{
if (!self::get_alerts()) {
return false;
}
// sort the alerts by priority
usort(self::$_alerts, array('PW_Alerts', 'compare'));
if (self::$_alerts) {
foreach (self::$_alerts as $alert) {
ZC::e('div.' . $alert['type'], $alert['message']);
}
self::$_alerts = array();
delete_transient('PW_Alerts');
}
}
/**
* Validates the option against the validation rules returned by $this->rules()
* @param array $option of option to be validated.
* @return array The default properties and values
* @since 0.1
*/
public function validate($input = array(), $validate_all = true)
{
if ($is_ajax = defined('DOING_AJAX') && constant('DOING_AJAX') == true) {
if (isset($_GET[$this->_name])) {
$input = $_GET[$this->_name];
$validate_all = false;
} else {
exit;
}
}
$valid = true;
$rules = $this->rules();
foreach ($rules as $rule) {
// remove spaces and then split up the comma delimited property string into an array
$properties = str_replace(' ', '', $rule['properties']);
$properties = strpos($properties, ',') === false ? array($properties) : explode(',', $properties);
foreach ($properties as $property) {
// set the field to null if no value was passed but a validation rules was set
// this will allow for an error in a situation where someone used firebug to delete HTML dynamically
$field = isset($input[$property]) ? $input[$property] : null;
// if $validate_all is set to false, allow for empty properties
if (!$validate_all && $field === null) {
continue;
}
// create an array of values from the rule definition to pass as method arguments to the callback function
$args = $rule;
array_unshift($args, $field);
unset($args['properties']);
unset($args['validator']);
unset($args['message']);
if ($error = call_user_func_array($rule['validator'], $args)) {
$message = isset($rule['message']) ? $rule['message'] : $error;
$message = str_replace("{property}", $this->get_label($property), $message);
$this->add_error($property, $message);
$valid = false;
}
}
}
// Add an alert for any errors
if ($this->_errors && !$is_ajax) {
PW_Alerts::add('error', '<p><strong>Please fix the following errors and trying submitting again.</strong></p>' . ZC::r('ul>li*' . count($this->errors), array_values($this->errors)), 0);
}
if ($is_ajax) {
echo current($this->_errors);
exit;
} else {
return $valid;
}
}
/**
* Create the markup for the Create/Update and Delete buttons
* @return string The rendered HTML markup
* @since 0.1
*/
protected function render_buttons()
{
$output = ZC::r('input.button-primary{%1}', array('type' => 'submit', 'value' => $this->_model->instance ? "Update" : "Create"), null);
$instances = $this->_model->get_option();
$instance = $instances[$this->_model->instance];
if (0 != $this->_model->instance) {
$delete_url = wp_nonce_url(add_query_arg('delete_instance', '1'), 'delete_instance');
$output .= ZC::r('a.submitdelete[href="' . $delete_url . '"]', 'Delete ' . $instance['name']);
}
return $output;
}