views_handler_field_comment_link.inc

<?php


/**
 * @file
 * Definition of views_handler_field_comment_link.
 */

/**
 * Base field handler to present a link.
 *
 * @ingroup views_field_handlers
 */
class views_handler_field_comment_link extends views_handler_field_entity {
    
    /**
     * {@inheritdoc}
     */
    public function option_definition() {
        $options = parent::option_definition();
        $options['text'] = array(
            'default' => '',
            'translatable' => TRUE,
        );
        $options['link_to_node'] = array(
            'default' => FALSE,
            'bool' => TRUE,
        );
        return $options;
    }
    
    /**
     * {@inheritdoc}
     */
    public function options_form(&$form, &$form_state) {
        $form['text'] = array(
            '#type' => 'textfield',
            '#title' => t('Text to display'),
            '#default_value' => $this->options['text'],
        );
        $form['link_to_node'] = array(
            '#title' => t('Link field to the node if there is no comment.'),
            '#type' => 'checkbox',
            '#default_value' => $this->options['link_to_node'],
        );
        parent::options_form($form, $form_state);
    }
    
    /**
     * {@inheritdoc}
     */
    public function query() {
        $this->ensure_my_table();
        $this->add_additional_fields();
    }
    
    /**
     * {@inheritdoc}
     */
    public function render($values) {
        $value = $this->get_value($values, 'cid');
        return $this->render_link($this->sanitize_value($value), $values);
    }
    
    /**
     * {@inheritdoc}
     */
    public function render_link($data, $values) {
        $text = !empty($this->options['text']) ? $this->options['text'] : t('view');
        $comment = $this->get_value($values);
        $nid = $comment->nid;
        $cid = $comment->cid;
        $this->options['alter']['make_link'] = TRUE;
        $this->options['alter']['html'] = TRUE;
        if (!empty($cid)) {
            $this->options['alter']['path'] = "comment/" . $cid;
            $this->options['alter']['fragment'] = "comment-" . $cid;
        }
        elseif ($this->options['link_to_node']) {
            $this->options['alter']['path'] = "node/" . $nid;
        }
        return $text;
    }

}