views_handler_field_aggregator_title_link.inc

<?php


/**
 * @file
 * Definition of views_handler_field_aggregator_title_link.
 */

/**
 * Field handler that turns an item's title into a clickable link to the
 * original source article.
 *
 * @ingroup views_field_handlers
 */
class views_handler_field_aggregator_title_link extends views_handler_field {
    
    /**
     * {@inheritdoc}
     */
    public function construct() {
        parent::construct();
        $this->additional_fields['link'] = 'link';
    }
    
    /**
     * {@inheritdoc}
     */
    public function option_definition() {
        $options = parent::option_definition();
        $options['display_as_link'] = array(
            'default' => TRUE,
            'bool' => TRUE,
        );
        return $options;
    }
    
    /**
     * Provide link to the page being visited.
     */
    public function options_form(&$form, &$form_state) {
        $form['display_as_link'] = array(
            '#title' => t('Display as link'),
            '#type' => 'checkbox',
            '#default_value' => !empty($this->options['display_as_link']),
        );
        parent::options_form($form, $form_state);
    }
    
    /**
     * {@inheritdoc}
     */
    public function render($values) {
        $value = $this->get_value($values);
        return $this->render_link($this->sanitize_value($value), $values);
    }
    
    /**
     * {@inheritdoc}
     */
    public function render_link($data, $values) {
        $link = $this->get_value($values, 'link');
        if (!empty($this->options['display_as_link'])) {
            $this->options['alter']['make_link'] = TRUE;
            $this->options['alter']['path'] = $link;
            $this->options['alter']['html'] = TRUE;
        }
        return $data;
    }

}