<?php

/**
 * Implements hook_views_plugins().
 */
function tagadelic_views_views_plugins() {

  $plugins = array(
      'style' => array(
          'tagadelic' => array(
              'title' => t('Tagadelic list'),
              'help' => t('Displays terms as tagadelic.'),
              'handler' => 'tagadelic_plugin_style',
              'parent' => 'list',
              'theme' => 'views_view_list',
//        'theme' => 'tagadelic_views_row',
//        'theme path' => drupal_get_path('module', 'tagadelic_views'),
//        'theme file' => 'tagadelic-views-row.tpl.php',
              'uses row plugin' => 'views_plugin_row_fields',
              'uses row class' => TRUE,
              'uses options' => TRUE,
              'type' => 'normal',
//        'help topic' => 'style-list',
          ),
      ),
  );
  return $plugins;
}

/**
 * Implementation of hook_views_query_alter
 */
//function tagadelic_views_views_query_alter(&$view, &$query) {
//
//  if (get_class($view->style_plugin) != 'tagadelic_plugin_style') {
//    return;
//  }
//
//  $field_tid = 'tid';
//  $taxonomy_term_table_alias_default = 'taxonomy_term_data';
//
//  $taxonomy_term_table_alias = null;
//
//  // Base table is taxonomy_term_data
//  if ($view->base_table == 'taxonomy_term_data') {
//    $taxonomy_term_table_alias = $taxonomy_term_table_alias_default;
//    $join = views_get_table_join('taxonomy_index', 'taxonomy_term_data');
//    $query->add_relationship("taxonomy_index_taxonomy_term_data", $join, 'taxonomy_index', NULL);
//  } else {
//
//    // If taxonomy is not at base table try to find a relation with it.
//    // Actually I take in account only node
//
//    $taxonomy_term_table_alias = (isset($query->tables['taxonomy_term_data'])) ? 'taxonomy_term_data' : null;
//
//    // got taxonomy_term_data ?
//    if (is_null($taxonomy_term_table_alias)) {
//
//      // search if there is a reference, if so take the first
//      foreach ($query->relationships as $alias => $relationship) {
//        if ($relationship['base'] == 'taxonomy_term_data') {
//          $taxonomy_term_table_alias = $alias;
//          break;
//        }
//      }
//
//      // set a default table defined later as join to $query->base_table
//      // @TODO: Check what happens if base table is not a node
//      if (!$taxonomy_term_table_alias) {
//        $taxonomy_term_table_alias = 'tagadelic_taxonomy_term_data';
//      }
//
//      if (!is_null($taxonomy_term_table_alias)) {
//
//        // TEST 2: add new relationships, seems OK
//        if (!isset($query->table_queue['taxonomy_index'])) {
//          $query->ensure_table('taxonomy_index');
//        }
//
////            $reference_table = 'node';
//        $reference_table = $query->base_table;
//
//        // tagadelic_taxonomy_index
//        $join = $query->table_queue['taxonomy_index']['join'];
//        $query->add_relationship('tagadelic_taxonomy_index', $join, 'taxonomy_index', $reference_table);
//
//        // tagadelic_taxonomy_term_data
//        $join = views_get_table_join('taxonomy_term_data', 'taxonomy_index');
//        $query->add_relationship('tagadelic_taxonomy_term_data', $join, 'tagadelic_taxonomy_index');
//
//        // Add some term information needed by tagadelic (tid, vid)
//        $field_tid = $query->add_field($taxonomy_term_table_alias, 'tid', 'taxonomy_term_data_tag_tid');
//        $query->add_field($taxonomy_term_table_alias, 'vid', 'taxonomy_term_data_tag_vid');
//      } else {
//        views_debug(t("Consider adding at least a relationship to a taxonomy term to get (better) results."));
//      }
//    }
//  }
//
//
//
//  $field_name_count = $query->add_field($taxonomy_term_table_alias, 'name', $alias = 'taxonomy_term_data_tag_count', $params = array('function' => 'count'));
//  $field_name = $query->add_field($taxonomy_term_table_alias, 'name', $alias = 'taxonomy_term_data_tag_name');
//  $field_desc = $query->add_field($taxonomy_term_table_alias, 'description', $alias = 'taxonomy_term_data_tag_description');
//
//  $query->distinct = TRUE;
//  $query->no_distinct = $field_tid;
////  $query->set_distinct(TRUE, TRUE);
//  $query->add_groupby($field_tid);
//
//  $query->add_having_expression(0, 'taxonomy_term_data_tag_count > 0');
//
////  $query->add_orderby( NULL, NULL, 'DESC', 'taxonomy_term_data_tag_count' );
////  new views_plugin_query_default();
////  dsm($view);
////  dsm($query);
//}

/**
 *
 * Implementation of hook_views_pre_execute
 *
 */
//function tagadelic_views_views_pre_execute(&$view) {}

/**
 *
 * Implementation of hook_views_post_build
 *
 */
//function tagadelic_views_views_post_build(&$view) {}