/**
* @inheritdoc
*/
public function fileInput($options = [])
{
$options = array_merge($this->inputOptions, $options);
$options['wrapperOptions']['tag'] = isset($options['wrapperOptions']) && isset($options['wrapperOptions']['tag']) ? $options['wrapperOptions']['tag'] : 'div';
$this->_setWrapperOptions($options, 'input input-file');
// Set template
$this->template = $this->fileInputTemplate;
// Button
$btnOptions = ArrayHelper::remove($options, 'buttonOptions', []);
$btnTag = ArrayHelper::remove($btnOptions, 'tag', 'span');
$btnContent = ArrayHelper::remove($btnOptions, 'content', 'Browse');
Html::addCssClass($btnOptions, 'button');
$this->parts['{beginButton}'] = Html::beginTag($btnTag, $btnOptions);
$this->parts['{contentButton}'] = $btnContent;
$this->parts['{endButton}'] = Html::endTag($btnTag);
// Placeholder input
$phrOptions = ArrayHelper::remove($options, 'placeholderOptions', []);
$phrOptions['readonly'] = 'readonly';
$placeholder = ArrayHelper::remove($options, 'placeholder');
if ($placeholder !== null) {
$phrOptions['placeholder'] = $placeholder;
}
$this->parts['{placeholder}'] = Html::input('text', null, null, $phrOptions);
// Onchange
$onchange = 'this.parentNode.nextSibling.value = this.value';
$options['onchange'] = isset($options['onchange']) ? $options['onchange'] : $onchange;
return parent::fileInput($options);
}
