protected function prepareColumns($modelClass)
{
$model = new $modelClass();
$validKeys = $model->attributes();
$columns = ModelHelper::normalizeBrackets(ModelHelper::expandBrackets($this->columns ?: ModelHelper::gridColumns($modelClass), $validKeys), array_merge($validKeys, ['action-column']));
foreach ($model->getBehaviors() as $behavior) {
if ($behavior instanceof DatetimeBehavior) {
foreach ($behavior->attributes as $datetimeAttribute) {
if (array_key_exists($datetimeAttribute, $columns) && !array_key_exists('type', $columns[$datetimeAttribute])) {
$columns[$datetimeAttribute]['type'] = 'datetime';
}
}
} elseif ($behavior instanceof SoftDeleteBehavior) {
if (array_key_exists($behavior->deletedAttribute, $columns)) {
$columns[$behavior->deletedAttribute]['visible'] = false;
}
} elseif ($behavior instanceof TimeDeleteBehavior) {
if (array_key_exists($behavior->deletedAtAttribute, $columns)) {
$columns[$behavior->deletedAtAttribute]['visible'] = false;
}
}
}
$tableSchema = $modelClass::getTableSchema();
foreach ($tableSchema->foreignKeys as $foreignKey) {
if (count($foreignKey) == 2) {
$relatedQueryMethod = 'get' . Inflector::classify($foreignKey[0]);
if (method_exists($model, $relatedQueryMethod) && is_callable([$model, $relatedQueryMethod])) {
$relatedAttribute = array_keys($foreignKey)[1];
$columns[$relatedAttribute]['type'] = 'listItem';
$columns[$relatedAttribute]['items'] = ModelHelper::listItems($model->{$relatedQueryMethod}());
}
}
}
if (!array_key_exists('action-column', $columns)) {
$columns['action-column'] = ['type' => 'action'];
}
foreach ($columns as $attribute => $options) {
$options['attribute'] = $attribute;
if (!array_key_exists('type', $options)) {
$listItemsMethod = Inflector::variablize($attribute) . 'ListItems';
if (method_exists($modelClass, $listItemsMethod) && is_callable([$modelClass, $listItemsMethod])) {
$options['type'] = 'listItem';
$options['items'] = $modelClass::$listItemsMethod($model);
}
}
$columnSchema = $tableSchema->getColumn($attribute);
if ($columnSchema) {
if ($columnSchema->isPrimaryKey) {
$options['readOnly'] = true;
}
if (!array_key_exists('type', $options)) {
$options['type'] = $columnSchema->type;
if (in_array($columnSchema->type, ['tinyint', 'smallint', 'integer', 'bigint'])) {
if ($columnSchema->size == 1 && $columnSchema->unsigned) {
$options['type'] = 'boolean';
} else {
$options['size'] = $columnSchema->size;
$options['unsigned'] = $columnSchema->unsigned;
}
} elseif (in_array($columnSchema->type, ['decimal', 'numeric', 'money'])) {
$options['size'] = $columnSchema->size;
$options['scale'] = $columnSchema->scale;
$options['unsigned'] = $columnSchema->unsigned;
} elseif ($columnSchema->type == 'string') {
$options['size'] = $columnSchema->size;
}
}
}
if (array_key_exists('type', $options)) {
if ($options['type'] && is_string($options['type'])) {
if ($options['type'] == 'invisible') {
$options['visible'] = false;
} elseif (!array_key_exists('class', $options)) {
$fieldClass = 'yii\\mozayka\\grid\\' . Inflector::id2camel($options['type']) . 'Column';
if (class_exists($fieldClass)) {
$options['class'] = $fieldClass;
}
}
}
unset($options['type']);
}
$columns[$attribute] = $options;
}
unset($columns['action-column']['attribute']);
return array_values(array_filter($columns, function ($options) {
return !array_key_exists('visible', $options) || $options['visible'];
}));
}