protected function context_reaction_block::build_block in Context 6.3

Same name and namespace in other branches

1. 6 plugins/context_reaction_block.inc \context_reaction_block::build_block()

Build a block's content. Largely taken from block_list().

2 calls to context_reaction_block::build_block()

context_reaction_block::block_list in plugins/context_reaction_block.inc

An alternative version of block_list() that provides any context enabled blocks.

context_reaction_block::render_ajax in plugins/context_reaction_block.inc

Block renderer for AJAX requests. Triggered when $_GET['context_block'] is set. See ->execute() for how this is called.

File

plugins/context_reaction_block.inc, line 328

Class

context_reaction_block

Expose blocks as context reactions.

Code

protected function build_block($block, $reset = FALSE) {

  // Block caching is not compatible with node_access modules. We also
  // preserve the submission of forms in blocks, by fetching from cache
  // only if the request method is 'GET'.
  static $cacheable;
  if (!isset($cacheable) || $reset) {
    $cacheable = !count(module_implements('node_grants')) && $_SERVER['REQUEST_METHOD'] == 'GET';
  }
  if (!isset($block->content)) {
    $block->content = '';

    // Try fetching the block from cache.
    if ($cacheable && ($cid = _block_get_cache_id($block))) {
      if ($cache = cache_get($cid, 'cache_block')) {
        $array = $cache->data;
      }
      else {
        $array = module_invoke($block->module, 'block', 'view', $block->delta);
        cache_set($cid, $array, 'cache_block', CACHE_TEMPORARY);
      }
    }
    else {
      $array = module_invoke($block->module, 'block', 'view', $block->delta);
    }
    if (isset($array) && is_array($array)) {
      foreach ($array as $k => $v) {
        $block->{$k} = $v;
      }
    }
  }
  if (!empty($block->content)) {

    // Only query for custom block title if block core compatibility is enabled.
    if (!variable_get('context_reaction_block_disable_core', FALSE)) {
      global $user, $theme_key;
      $block->title = db_result(db_query("SELECT title FROM {blocks} WHERE module = '%s' AND delta = '%s' AND theme = '%s'", $block->module, $block->delta, $theme_key));
    }

    // Override default block title if a custom display title is present.
    if (!empty($block->title)) {

      // Check plain here to allow module generated titles to keep any markup.
      $block->subject = $block->title == '<none>' ? '' : check_plain($block->title);
    }
    if (!isset($block->subject)) {
      $block->subject = '';
    }
  }
  return $block;
}