'Action', * 'dropdown' => array( * 'items' => array( * array( * 'label' => 'DropdownA', * 'url' => '/', * ), * array( * 'label' => 'DropdownB', * 'url' => '#', * ), * ), * ), * )); * ``` * @see http://twitter.github.io/bootstrap/javascript.html#buttons * @see http://twitter.github.io/bootstrap/components.html#buttonDropdowns * @author Antonio Ramirez * @since 2.0 */ class ButtonDropdown extends Widget { /** * @var string the button label */ public $label = 'Button'; /** * @var array the HTML attributes of the button. */ public $buttonOptions = array(); /** * @var array the configuration array for [[Dropdown]]. */ public $dropdown = array(); /** * @var boolean whether to display a group of split-styled button group. */ public $split = false; /** * Initializes the widget. * If you override this method, make sure you call the parent implementation first. */ public function init() { parent::init(); $this->addCssClass($this->options, 'btn-group'); } /** * Renders the widget. */ public function run() { echo Html::beginTag('div', $this->options) . "\n"; echo $this->renderButton() . "\n"; echo $this->renderDropdown() . "\n"; echo Html::endTag('div') . "\n"; $this->registerPlugin('button'); } /** * Generates the button dropdown. * @return string the rendering result. */ protected function renderButton() { $this->addCssClass($this->buttonOptions, 'btn'); if ($this->split) { $tag = 'button'; $options = $this->buttonOptions; $this->buttonOptions['data-toggle'] = 'dropdown'; $this->addCssClass($this->buttonOptions, 'dropdown-toggle'); $splitButton = Button::widget(array( 'label' => '', 'encodeLabel' => false, 'options' => $this->buttonOptions, )); } else { $tag = 'a'; $this->label .= ' '; $options = $this->buttonOptions; if (!isset($options['href'])) { $options['href'] = '#'; } $this->addCssClass($options, 'dropdown-toggle'); $options['data-toggle'] = 'dropdown'; $splitButton = ''; } return Button::widget(array( 'tagName' => $tag, 'label' => $this->label, 'options' => $options, 'encodeLabel' => false, )) . "\n" . $splitButton; } /** * Generates the dropdown menu. * @return string the rendering result. */ protected function renderDropdown() { $config = $this->dropdown; $config['clientOptions'] = false; return Dropdown::widget($config); } }