TbCarousel.php

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<?php
class TbCarousel extends CWidget {
        
        public $prevLabel = '<span class="glyphicon glyphicon-chevron-left"></span>';

        public $nextLabel = '<span class="glyphicon glyphicon-chevron-right"></span>';

        public $slide = true;

        public $displayPrevAndNext = true;

        public $items = array();

        public $options = array();

        public $events = array();

        public $htmlOptions = array();

        public function init() {
                
                if (!isset($this->htmlOptions['id'])) {
                        $this->htmlOptions['id'] = $this->getId();
                }

                $classes = array('carousel');

                if ($this->slide === true) {
                        $classes[] = 'slide';
                }

                if (!empty($classes)) {
                        $classes = implode(' ', $classes);
                        if (isset($this->htmlOptions['class'])) {
                                $this->htmlOptions['class'] .= ' ' . $classes;
                        } else {
                                $this->htmlOptions['class'] = $classes;
                        }
                }
        }

        public function run() {
                
                $id = $this->htmlOptions['id'];

                echo CHtml::openTag('div', $this->htmlOptions);
                $this->renderIndicators();
                echo '<div class="carousel-inner">';
                $this->renderItems($this->items);
                echo '</div>';

                if ($this->displayPrevAndNext) {
                        echo '<a class="carousel-control left" href="#' . $id . '" data-slide="prev">' . $this->prevLabel . '</a>';
                        echo '<a class="carousel-control right" href="#' . $id . '" data-slide="next">' . $this->nextLabel . '</a>';
                }

                echo '</div>';

                $cs = Yii::app()->getClientScript();
                $options = !empty($this->options) ? CJavaScript::encode($this->options) : '';
                $cs->registerScript(__CLASS__ . '#' . $id, "jQuery('#{$id}').carousel({$options});");

                foreach ($this->events as $name => $handler) {
                        $handler = CJavaScript::encode($handler);
                        $cs->registerScript(__CLASS__ . '#' . $id . '_' . $name, "jQuery('#{$id}').on('{$name}', {$handler});");
                }
        }
        
        protected function renderIndicators() {
                
                echo '<ol class="carousel-indicators">';
                $count = count($this->items);
                for ($i = 0; $i < $count; $i++) {
                        echo '<li data-target="#'.$this->id.'" data-slide-to="'.$i.'" class="'.($i===0?'active':'').'"></li>';
                }
                echo '</ol>';
        }

        protected function renderItems($items) {
                
                foreach ($items as $i => $item) {
                        if (!is_array($item)) {
                                continue;
                        }

                        if (isset($item['visible']) && $item['visible'] === false) {
                                continue;
                        }

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

                        $classes = array('item');

                        if ($i === 0) {
                                $classes[] = 'active';
                        }

                        if (!empty($classes)) {
                                $classes = implode(' ', $classes);
                                if (isset($item['itemOptions']['class'])) {
                                        $item['itemOptions']['class'] .= ' ' . $classes;
                                } else {
                                        $item['itemOptions']['class'] = $classes;
                                }
                        }

                        echo CHtml::openTag('div', $item['itemOptions']);

                        if (isset($item['image'])) {
                                if (!isset($item['alt'])) {
                                        $item['alt'] = '';
                                }

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

                if (isset($item['link'])) {
                    // Any kind of link options
                    if (!isset($item['linkOptions']) || !is_array($item['linkOptions'])) {
                        $item['linkOptions'] = array();
                    }

                    // URL
                    if(is_array($item['link'])) {
                        $route = isset($item['link'][0]) ? $item['link'][0] : '';
                        $item['linkOptions']['href'] = Yii::app()->createUrl($route, array_splice($item['link'], 1));
                    } else {
                        $item['linkOptions']['href'] = $item['link'];
                    }

                    // Print out 'A' tag
                    echo CHtml::openTag('a', $item['linkOptions']);
                }

                                echo CHtml::image($item['image'], $item['alt'], $item['imageOptions']);

                if (isset($item['link'])) {
                    echo '</a>';
                }
                        }

                        if (!empty($item['caption']) && (isset($item['label']) || isset($item['caption']))) {
                                if (!isset($item['captionOptions'])) {
                                        $item['captionOptions'] = array();
                                }

                                if (isset($item['captionOptions']['class'])) {
                                        $item['captionOptions']['class'] .= ' carousel-caption';
                                } else {
                                        $item['captionOptions']['class'] = 'carousel-caption';
                                }

                                echo CHtml::openTag('div', $item['captionOptions']);

                                if (isset($item['label'])) {
                                        echo '<h3>' . $item['label'] . '</h3>';
                                }

                                if (isset($item['caption'])) {
                                        echo '<p>' . $item['caption'] . '</p>';
                                }

                                echo '</div>';
                        }
                        echo '</div>';
                }
        }
}