views_handler_field_comment.inc

<?php


/**
 * @file
 * Definition of views_handler_field_comment.
 */

/**
 * Field handler to allow linking to a comment.
 *
 * @ingroup views_field_handlers
 */
class views_handler_field_comment extends views_handler_field {
    
    /**
     * Override init function to provide generic option to link to comment.
     */
    public function init(&$view, &$options) {
        parent::init($view, $options);
        if (!empty($this->options['link_to_comment'])) {
            $this->additional_fields['cid'] = 'cid';
            $this->additional_fields['nid'] = 'nid';
        }
    }
    
    /**
     * {@inheritdoc}
     */
    public function option_definition() {
        $options = parent::option_definition();
        $options['link_to_comment'] = array(
            'default' => TRUE,
            'bool' => TRUE,
        );
        $options['link_to_node'] = array(
            'default' => FALSE,
            'bool' => TRUE,
        );
        return $options;
    }
    
    /**
     * Provide link-to-comment option.
     */
    public function options_form(&$form, &$form_state) {
        $form['link_to_comment'] = array(
            '#title' => t('Link this field to its comment'),
            '#description' => t("Enable to override this field's links."),
            '#type' => 'checkbox',
            '#default_value' => $this->options['link_to_comment'],
        );
        $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 render_link($data, $values) {
        if (!empty($this->options['link_to_comment'])) {
            $this->options['alter']['make_link'] = TRUE;
            $nid = $this->get_value($values, 'nid');
            $cid = $this->get_value($values, 'cid');
            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 $data;
    }
    
    /**
     * {@inheritdoc}
     */
    public function render($values) {
        $value = $this->get_value($values);
        return $this->render_link($this->sanitize_value($value), $values);
    }

}