/**
* Generates the buttons that compound the group as specified on [[items]].
* @return string the rendering result.
*/
protected function renderButtons()
{
$buttons = [];
foreach ($this->buttons as $button) {
if (is_array($button)) {
$label = ArrayHelper::getValue($button, 'label');
$options = ArrayHelper::getValue($button, 'options');
$buttons[] = Button::widget(['label' => $label, 'options' => $options, 'encodeLabel' => $this->encodeLabels]);
} else {
$buttons[] = $button;
}
}
return implode("\n", $buttons);
}
/**
* Generates the button dropdown.
* @return string the rendering result.
*/
protected function renderButton()
{
Html::addCssClass($this->options, 'btn');
if ($this->split) {
$tag = 'button';
$options = $this->options;
$this->options['data-toggle'] = 'dropdown';
Html::addCssClass($this->options, 'dropdown-toggle');
$splitButton = Button::widget(['label' => '<span class="caret"></span>', 'encodeLabel' => false, 'options' => $this->options]);
} else {
$tag = 'a';
$this->label .= ' <span class="caret"></span>';
$options = $this->options;
if (!isset($options['href'])) {
$options['href'] = '#';
}
Html::addCssClass($options, 'dropdown-toggle');
$options['data-toggle'] = 'dropdown';
$splitButton = '';
}
return Button::widget(['tagName' => $tag, 'label' => $this->label, 'options' => $options, 'encodeLabel' => false]) . "\n" . $splitButton;
}