theme.inc in Views Tagadelic 6

Main views plugin, creates Tagadelic as an option under the Style options when a view is created. Created for Drupal 6 by Mark Fairbairn Reviewed by Nathan Burles

File

theme/theme.inc

<?php

/**
 * @file
 * Main views plugin, creates Tagadelic as an option under the Style options when a view is created.
 * Created for Drupal 6 by Mark Fairbairn
 * Reviewed by Nathan Burles
 */
function template_preprocess_views_view_tagadelic(&$vars) {
  $view = $vars['view'];
  $options = $view->style_plugin->options;

  /* Handle Term and Node views */
  switch ($view->base_table) {
    case "term_data":
      $base_field_name = 'td.tid';
      foreach ($view->result as $term) {
        $ids[] = $term->tid;
      }
      break;
    case "node":
    default:
      $base_field_name = 'n.nid';
      foreach ($view->result as $node) {
        $ids[] = $node->nid;
      }
      break;
  }
  $base_restrictor = '(' . implode(',', $ids) . ')';
  if ($options['vocab'] != '') {
    $vocabs_selected = split(',', $options['vocab']);
    $taxonomy_vocabs = array();
    foreach (taxonomy_get_vocabularies() as $vocab) {
      $taxonomy_vocabs[$vocab->vid] = $vocab->name;
    }
    foreach ($vocabs_selected as $key => &$vocab) {
      $vocab = trim($vocab);
      if ($vocab == '') {
        array_splice($vocabs_selected, $key, 1);
      }
    }
    $vocabs_to_use = array_intersect($taxonomy_vocabs, $vocabs_selected);
    foreach (array_keys($vocabs_to_use) as $vocabid) {
      $vids[] = $vocabid;
    }
    if (isset($vids)) {
      $vid_restrictor = ' AND td.vid IN (' . implode(',', $vids) . ')';
    }
  }
  else {
    $vid_restrictor = '';
  }
  if (!isset($vid_restrictor)) {
    $vars['output'] = 'Could not find ' . implode(', ', $vocabs_selected) . '!';
  }
  else {
    $result = db_query_range(db_rewrite_sql('SELECT COUNT(*) AS count, td.tid, td.vid, td.name, td.description ' . 'FROM {term_data} td INNER JOIN {term_node} tn ON td.tid = tn.tid ' . 'INNER JOIN {node} n ON tn.vid = n.vid ' . 'WHERE ' . $base_field_name . ' IN ' . $base_restrictor . $vid_restrictor . 'GROUP BY td.tid, td.vid, td.name, td.description ' . 'HAVING COUNT(*) > 0 ' . 'ORDER BY count DESC'), 0, $options['size']);
    $tags = tagadelic_build_weighted_tags($result, $options['steps']);
    $tags = tagadelic_sort_tags($tags);
    $vars['output'] = theme('tagadelic_weighted', $tags);
    if (empty($vars['output'])) {
      $view->result = NULL;
    }
  }
}

Functions

Name	Description
template_preprocess_views_view_tagadelic	@file Main views plugin, creates Tagadelic as an option under the Style options when a view is created. Created for Drupal 6 by Mark Fairbairn Reviewed by Nathan Burles