/**
* @inheritdoc
*/
protected function renderFilterCellContent()
{
if (is_string($this->filter)) {
return $this->filter;
}
$model = $this->grid->filterModel;
if ($this->filter !== false && $model instanceof Model && $this->attribute !== null && $model->isAttributeActive($this->attribute)) {
if ($model->hasErrors($this->attribute)) {
Html::addCssClass($this->filterOptions, 'has-error');
$error = ' ' . Html::error($model, $this->attribute, $this->grid->filterErrorOptions);
} else {
$error = '';
}
if (is_array($this->filter)) {
$options = array_merge(['prompt' => ''], $this->filterInputOptions);
return Html::activeDropDownList($model, $this->attribute, $this->filter, $options) . $error;
} else {
return Html::activeTextInput($model, $this->attribute, $this->filterInputOptions) . $error;
}
} else {
return parent::renderFilterCellContent();
}
}
/**
* Generates a tag that contains the first validation error of [[attribute]].
* Note that even if there is no validation error, this method will still return an empty error tag.
* @param array|boolean $options the tag options in terms of name-value pairs. It will be merged with [[errorOptions]].
* The options will be rendered as the attributes of the resulting tag. The values will be HTML-encoded
* using [[Html::encode()]]. If a value is null, the corresponding attribute will not be rendered.
*
* The following options are specially handled:
*
* - tag: this specifies the tag name. If not set, "div" will be used.
*
* If this parameter is false, no error tag will be rendered.
*
* If you set a custom `id` for the error element, you may need to adjust the [[$selectors]] accordingly.
*
* @return $this the field object itself
*/
public function error($options = [])
{
if ($options === false) {
$this->parts['{error}'] = '';
return $this;
}
$options = array_merge($this->errorOptions, $options);
$this->parts['{error}'] = Html::error($this->model, $this->attribute, $options);
return $this;
}
