/**
* Executes the widget.
* @return string the result of widget execution to be outputted.
* @uses [[renderSpinner()]]
*/
public function run()
{
$html[] = Html::beginTag('div', $this->options);
if ($this->flashColors !== false) {
foreach ($this->colors as $color) {
Html::addCssClass($this->spinnerOptions, ['color' => 'spinner-' . $color]);
$html[] = Html::beginTag('div', $this->spinnerOptions);
$html[] = $this->renderSpinner();
$html[] = Html::endTag('div');
Html::removeCssClass($this->spinnerOptions, ['color' => 'spinner-' . $color]);
}
} else {
$html[] = Html::beginTag('div', $this->spinnerOptions);
$html[] = $this->renderSpinner();
$html[] = Html::endTag('div');
}
$html[] = Html::endTag('div');
return implode("\n", $html);
}
