/**
* Save the context of the given field for the given fieldgroup
*
* @param Field $field Field to save context for
* @param Fieldgroup $fieldgroup Context for when field is in this fieldgroup
* @return bool True on success
* @throws WireException
*
*/
public function ___saveFieldgroupContext(Field $field, Fieldgroup $fieldgroup)
{
// get field without contxt
$fieldOriginal = $this->get($field->name);
$data = array();
// make sure given field and fieldgroup are valid
if (!($field->flags & Field::flagFieldgroupContext)) {
throw new WireException("Field must be in fieldgroup context before its context can be saved");
}
if (!$fieldgroup->has($fieldOriginal)) {
throw new WireException("Fieldgroup {$fieldgroup} does not contain field {$field}");
}
$newValues = $field->getArray();
$oldValues = $fieldOriginal->getArray();
// 0 is the same as 100 for columnWidth, so we specifically set it just to prevent this from being saved when it doesn't need to be
if (!isset($oldValues['columnWidth'])) {
$oldValues['columnWidth'] = 100;
}
// add the built-in fields
foreach (array('label', 'description', 'notes', 'viewRoles', 'editRoles') as $key) {
$newValues[$key] = $field->{$key};
$oldValues[$key] = $fieldOriginal->{$key};
}
// account for flags that may be applied as part of context
$flags = $field->flags & ~Field::flagFieldgroupContext;
if ($flags != $fieldOriginal->flags) {
$flagsAdd = 0;
$flagsDel = 0;
// flags that are allowed to be set via context
$contextFlags = array(Field::flagAccess, Field::flagAccessAPI, Field::flagAccessEditor);
foreach ($contextFlags as $flag) {
if ($fieldOriginal->hasFlag($flag) && !$field->hasFlag($flag)) {
$flagsDel = $flagsDel | $flag;
}
if (!$fieldOriginal->hasFlag($flag) && $field->hasFlag($flag)) {
$flagsAdd = $flagsAdd | $flag;
}
}
if ($flagsAdd) {
$data['flagsAdd'] = $flagsAdd;
}
if ($flagsDel) {
$data['flagsDel'] = $flagsDel;
}
}
// cycle through and determine which values should be saved
foreach ($newValues as $key => $value) {
$oldValue = empty($oldValues[$key]) ? '' : $oldValues[$key];
// if both old and new are empty, then don't store a blank value in the context
if (empty($oldValue) && empty($value)) {
continue;
}
// if old and new value are the same, then don't duplicate the value in the context
if ($value == $oldValue) {
continue;
}
// $value differs from $oldValue and should be saved
$data[$key] = $value;
}
// remove runtime properties (those that start with underscore)
foreach ($data as $key => $value) {
if (strpos($key, '_') === 0) {
unset($data[$key]);
}
}
// keep all in the same order so that it's easier to compare (by eye) in the DB
ksort($data);
// inject updated context back into model
$fieldgroup->setFieldContextArray($field->id, $data);
// if there is something in data, then JSON encode it. If it's empty then make it null.
$data = count($data) ? wireEncodeJSON($data, true) : null;
if (is_null($data)) {
$data = 'NULL';
} else {
$data = "'" . $this->wire('database')->escapeStr($data) . "'";
}
$field_id = (int) $field->id;
$fieldgroup_id = (int) $fieldgroup->id;
$database = $this->wire('database');
$query = $database->prepare("UPDATE fieldgroups_fields SET data={$data} WHERE fields_id=:field_id AND fieldgroups_id=:fieldgroup_id");
// QA
$query->bindValue(':field_id', $field_id, PDO::PARAM_INT);
$query->bindValue(':fieldgroup_id', $fieldgroup_id, PDO::PARAM_INT);
$result = $query->execute();
return $result;
}
