aggregator_block

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modules/aggregator/aggregator.module, строка 251

Версии
5 – 6
aggregator_block($op = 'list', $delta = 0, $edit = array())

Реализация hook_block().

Generates blocks for the latest news items in each category and feed.

Код

<?php
function aggregator_block($op = 'list', $delta = 0, $edit = array()) {
  if (user_access('access news feeds')) {
    if ($op == 'list') {
      $result = db_query('SELECT cid, title FROM {aggregator_category} ORDER BY title');
      while ($category = db_fetch_object($result)) {
        $block['category-'. $category->cid]['info'] = t('!title category latest items', array('!title' => $category->title));
      }
      $result = db_query('SELECT fid, title FROM {aggregator_feed} ORDER BY fid');
      while ($feed = db_fetch_object($result)) {
        $block['feed-'. $feed->fid]['info'] = t('!title feed latest items', array('!title' => $feed->title));
      }
    }
    else if ($op == 'configure') {
      list($type, $id) = explode('-', $delta);
      if ($type == 'category') {
        $value = db_result(db_query('SELECT block FROM {aggregator_category} WHERE cid = %d', $id));
      }
      else {
        $value = db_result(db_query('SELECT block FROM {aggregator_feed} WHERE fid = %d', $id));
      }
      $form['block'] = array('#type' => 'select', '#title' => t('Number of news items in block'), '#default_value' => $value, '#options' => drupal_map_assoc(array(2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)));
      return $form;
    }
    else if ($op == 'save') {
      list($type, $id) = explode('-', $delta);
      if ($type == 'category') {
        $value = db_query('UPDATE {aggregator_category} SET block = %d WHERE cid = %d', $edit['block'], $id);
      }
      else {
        $value = db_query('UPDATE {aggregator_feed} SET block = %d WHERE fid = %d', $edit['block'], $id);
      }
    }
    else if ($op == 'view') {
      list($type, $id) = explode('-', $delta);
      switch ($type) {
        case 'feed':
          if ($feed = db_fetch_object(db_query('SELECT fid, title, block FROM {aggregator_feed} WHERE fid = %d', $id))) {
            $block['subject'] = check_plain($feed->title);
            $result = db_query_range('SELECT * FROM {aggregator_item} WHERE fid = %d ORDER BY timestamp DESC, iid DESC', $feed->fid, 0, $feed->block);
            $read_more = '<div class="more-link">'. l(t('more'), 'aggregator/sources/'. $feed->fid, array('title' => t("View this feed's recent news."))) .'</div>';
          }
          break;

        case 'category':
          if ($category = db_fetch_object(db_query('SELECT cid, title, block FROM {aggregator_category} WHERE cid = %d', $id))) {
            $block['subject'] = check_plain($category->title);
            $result = db_query_range('SELECT i.* FROM {aggregator_category_item} ci LEFT JOIN {aggregator_item} i ON ci.iid = i.iid WHERE ci.cid = %d ORDER BY i.timestamp DESC, i.iid DESC', $category->cid, 0, $category->block);
            $read_more = '<div class="more-link">'. l(t('more'), 'aggregator/categories/'. $category->cid, array('title' => t("View this category's recent news."))) .'</div>';
          }
          break;
      }
      $items = array();
      while ($item = db_fetch_object($result)) {
        $items[] = theme('aggregator_block_item', $item);
      }

      // Only display the block if there are items to show.
      if (count($items) > 0) {
        $block['content'] = theme('item_list', $items) . $read_more;
      }
    }
    return $block;
  }
}
?>
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