<?php
// $Id: biblio_handler_citation.inc,v 1.4.2.8 2011-01-02 22:17:02 rjerome Exp $
class biblio_handler_citation extends views_handler_field {
  function init(&$view, $options) {
    parent::init($view, $options);
    $this->additional_fields['nid'] = array('table' => 'node', 'field' => 'nid');
  }

  function query() {
    $this->add_additional_fields();
  }

  function option_definition() {
    $options = parent::option_definition();
    $options['style_name'] = array('default' => biblio_get_style());
    return $options;
  }

  function options_form(&$form, &$form_state) {
    parent::options_form($form, $form_state);
    module_load_include('inc', 'biblio', 'biblio.admin');
    $form['style_name'] = array(
      '#type' => 'radios',
      '#title' => t('Style'),
      '#default_value' => $this->options['style_name'],
      '#options' => biblio_get_styles(),
      '#description' => t('Define the layout of author lists.')
    );
  }

  function render($values) {
    if (module_exists('biblio_citeproc')) {

    }
    else {
      module_load_include('inc', 'biblio', 'styles/biblio_style_' . $this->options['style_name']);
      if (empty($this->author_options)) {
        $author_options_func = 'biblio_style_' . $this->options['style_name'] . '_author_options';
        $this->author_options = $author_options_func();
      }
    }
    if (empty($this->biblio_base)) {
      $this->biblio_base = variable_get('biblio_base', 'biblio');
    }

    $item = node_load($values->{$this->aliases['nid']});
    if ($item->type != 'biblio') return;

        if (isset($item->biblio_year)) $item->biblio_year = _biblio_text_year($item->biblio_year);
        if (variable_get('biblio_hide_bibtex_braces', 0)) {
          $item->title = biblio_remove_brace($item->title);
        }
    return theme('biblio_entry', array('node' => $item, 'base' => $this->biblio_base, 'style_name' => $this->options['style_name'], 'inline' => $inline));
  }

}