/**
* sets the field value; uses the default value if no stored value is present
*
* as of version 1.5.5 we slightly changed how this works: formerly, the default
* value was only used in the record module if the "persistent" flag was set, now
* the default value is used anyway. Seems more intuitive to let the default value
* be used if it's set, and not require the persistent flag. The default value is
* always used in the signup module.
*
*
* @param object $field the current field object
* @return string the value of the field
*/
protected function _set_field_value($field)
{
/*
* get the value from the record; if it is empty, use the default value if the
* "persistent" flag is set.
*/
$record_value = isset($this->participant_values[$field->name]) ? $this->participant_values[$field->name] : '';
$value = $this->_empty($record_value) ? $this->_empty($field->default) ? '' : $field->default : $record_value;
// replace it with the new value if provided, escaping the input
if (in_array($this->module, array('record', 'signup', 'retrieve')) && isset($_POST[$field->name])) {
$value = $this->_esc_submitted_value($_POST[$field->name]);
}
/*
* make sure id and private_id fields are read only
*/
if (in_array($field->name, array('id', 'private_id'))) {
$this->display_as_readonly($field);
}
if ($field->form_element === 'hidden') {
/*
* use the dynamic value if no value has been set
*/
if (in_array($this->module, array('signup', 'record', 'retrieve'))) {
if (Participants_Db::is_dynamic_value($field->default)) {
$value = $this->get_dynamic_value($field->default);
}
/*
* add to the display columns if not already present so it will be processed
* in the form submission
*/
$this->display_columns += array($field->name);
} else {
// show this one as a readonly field
$this->display_as_readonly($field);
}
}
$field->value = $value;
}
/**
* returns an element value formatted for display or storage
*
* this supplants the function Participants_Db::prep_field_for_display
*
* @param object $field a Field_Item object
* @param bool $html if true, retuns the value wrapped in HTML, false returns
* the formatted value alone
* @return string the object's current value, formatted
*/
public static function get_field_value_display($field, $html = true)
{
$return = '';
/**
* filter: pdb-before_display_form_element
*
* @since 1.6
*
* @param string $return the value display
* @param object $field the field object
*
* formerly, this was set as "pdb-before_display_field" and included a more limited set of arguments
*/
if (has_filter(Participants_Db::$prefix . 'before_display_form_element')) {
$return = Participants_Db::set_filter('before_display_form_element', $return, $field);
} elseif (has_filter(Participants_Db::$prefix . 'before_display_field')) {
// provided for backward-compatibility
$return = Participants_Db::set_filter('before_display_field', $return, $field->value, $field->form_element);
}
if (empty($return)) {
switch ($field->form_element) {
case 'image-upload':
$image = new PDb_Image(array('filename' => $field->value, 'link' => isset($field->link) ? $field->link : false, 'mode' => 'both', 'module' => $field->module));
if ($html) {
if (isset($field->module) and in_array($field->module, array('single', 'list'))) {
$image->display_mode = 'image';
} elseif (isset($field->module) and in_array($field->module, array('signup'))) {
$image->display_mode = $image->image_defined ? 'both' : 'none';
$image->link = false;
}
$image->set_image_wrap();
$return = $image->get_image_html();
} elseif ($image->file_exists) {
$return = $image->get_image_file();
} else {
$return = $field->value;
}
break;
case 'file-upload':
if ($html and !empty($field->value)) {
if ($field->module == 'signup') {
$field->link = false;
$return = $field->value;
} else {
$field->link = PDb_Path::files_uri() . $field->value;
$return = self::make_link($field);
}
break;
} else {
$return = $field->value;
break;
}
case 'date':
case 'timestamp':
$return = '';
if (self::is_empty($field->value) === false) {
$date = Participants_Db::parse_date($field->value, $field);
$format = Participants_Db::$date_format;
if (Participants_Db::plugin_setting_is_true('show_time') and $field->form_element === 'timestamp') {
$format .= ' ' . get_option('time_format');
}
$return = date_i18n($format, $date);
} else {
$return = '';
}
break;
case 'multi-checkbox':
case 'multi-select-other':
/*
* these elements are stored as serialized arrays of values, the data is displayed
* a comma-separated string of the values, using the value titles if defined
*/
$return = self::array_display($field);
break;
case 'link':
$linkdata = maybe_unserialize($field->value);
if (!is_array($linkdata)) {
$return = '';
break;
}
if (empty($linkdata[1])) {
$linkdata[1] = str_replace('http://', '', $linkdata[0]);
}
if ($html) {
$return = vsprintf(empty($linkdata[0]) ? '%1$s%2$s' : '<a href="%1$s">%2$s</a>', $linkdata);
} else {
$return = $linkdata[0];
}
break;
case 'text-line':
if ($html) {
$field->value = self::get_value_title($field->value, $field->name);
$return = self::make_link($field);
break;
} else {
$return = $field->value;
break;
}
case 'text-area':
case 'textarea':
$pattern = $html ? '<span ' . self::class_attribute('textarea') . '>%s</span>' : '%s';
$return = sprintf($pattern, $field->value);
break;
case 'rich-text':
if ($html) {
$return = sprintf('<span ' . self::class_attribute('textarea richtext') . '>%s</span>', Participants_Db::process_rich_text($field->value));
} else {
$return = strip_tags($field->value);
}
break;
case 'dropdown':
case 'radio':
case 'checkbox':
case 'dropdown-other':
case 'select-other':
$field->value = self::array_display($field);
if ($html) {
$return = sprintf('<span %s>%s</span>', self::class_attribute($field->form_element), self::make_link($field));
} else {
$return = $field->value;
}
break;
case 'placeholder':
$field->value = $field->default;
$return = $html ? self::make_link($field) : $field->value;
break;
case 'hidden':
if ($field->value === $field->default) {
$field->value = '';
} elseif (!Participants_Db::is_dynamic_value($field->default)) {
$field->value = $field->default;
}
default:
$return = $html ? self::make_link($field) : $field->value;
}
}
return $return;
}