TbButtonGroupColumn.php

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

class TbButtonGroupColumn extends TbButtonColumn {

        public $buttonSize = 'mini';

        public $viewButtonContext = 'info';

        public $updateButtonContext = 'warning';

        public $deleteButtonContext = 'danger';

        protected function initDefaultButtons() {
                
                parent::initDefaultButtons();

                if ($this->viewButtonContext !== false && !isset($this->buttons['view']['context'])) {
                        $this->buttons['view']['context'] = $this->viewButtonContext;
                }
                if ($this->updateButtonContext !== false && !isset($this->buttons['update']['context'])) {
                        $this->buttons['update']['context'] = $this->updateButtonContext;
                }
                if ($this->deleteButtonContext !== false && !isset($this->buttons['delete']['context'])) {
                        $this->buttons['delete']['context'] = $this->deleteButtonContext;
                }
        }


        protected function renderButton($id, $button, $row, $data) {
                
                if (isset($button['visible']) && !$this->evaluateExpression(
                        $button['visible'],
                        array('row' => $row, 'data' => $data)
                )
                ) {
                        return;
                }

                $label = isset($button['label']) ? $button['label'] : $id;
                $url = isset($button['url']) ? $this->evaluateExpression($button['url'], array('data' => $data, 'row' => $row))
                        : '#';
                $options = isset($button['options']) ? $button['options'] : array();

                if (!isset($options['title'])) {
                        $options['title'] = $label;
                }

                if (!isset($options['data-toggle'])) {
                        $options['data-toggle'] = 'tooltip';
                }

                if (!isset($options['class'])) {
                        $options['class'] = '';
                }
                $options['class'] .= ' btn btn-' . $this->buttonSize;
                if (isset($button['context'])) {
                        $options['class'] .= ' btn-' . $button['context'];
                }

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

                        echo CHtml::link('<i class="' . $button['icon'] . '"></i>', $url, $options);
                } else if (isset($button['imageUrl']) && is_string($button['imageUrl'])) {
                        echo CHtml::link(CHtml::image($button['imageUrl'], $label), $url, $options);
                } else {
                        echo CHtml::link($label, $url, $options);
                }
        }

        protected function renderDataCellContent($row, $data)
        {
                $tr = array();
                ob_start();
                foreach ($this->buttons as $id => $button) {
                        $this->renderButton($id, $button, $row, $data);
                        $tr['{' . $id . '}'] = ob_get_contents();
                        ob_clean();
                }
                ob_end_clean();
                echo "<div class='btn-group'>" . strtr($this->template, $tr) . "</div>";
        }
}