TbDropdown.php

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<?php
Yii::import('booster.widgets.TbBaseMenu');

class TbDropdown extends TbBaseMenu {
        public function init() {
                
                parent::init();

                if (isset($this->htmlOptions['class'])) {
                        $this->htmlOptions['class'] .= ' dropdown-menu';
                } else {
                        $this->htmlOptions['class'] = 'dropdown-menu';
                }
        }

        protected function renderMenuItem($item) {
                
                if (isset($item['icon'])) {
                        if (strpos($item['icon'], 'icon') === false && strpos($item['icon'], 'fa') === false) {
                                $item['icon'] = 'icon-' . implode(' icon-', explode(' ', $item['icon']));
                        }

                        $item['label'] = '<i class="' . $item['icon'] . '"></i> ' . $item['label'];
                }

                if (!isset($item['linkOptions'])) {
                        $item['linkOptions'] = array();
                }

                // TODO: Bootstrap 3 does not support submenu 
                // http://stackoverflow.com/questions/18023493/bootstrap-3-dropdown-sub-menu-missing
                // we may use this to support it 
                /* if (isset($item['items']) && !empty($item['items']) && empty($item['url'])) {
                        $item['url'] = '#';
                } */

                $item['linkOptions']['tabindex'] = -1;

                if (isset($item['url'])) {
                        return CHtml::link($item['label'], $item['url'], $item['linkOptions']);
                } else {
                        return CHtml::link($item['label'], '#', array());
                }
        }

        public function getDividerCssClass()
        {
                return 'divider';
        }

        public function getDropdownCssClass()
        {
                return 'dropdown-submenu';
        }

        public function isVertical()
        {
                return true;
        }
}