function context_reaction_block::block_list in Context 6

Same name and namespace in other branches

1. 6.3 plugins/context_reaction_block.inc \context_reaction_block::block_list()
2. 7.3 plugins/context_reaction_block.inc \context_reaction_block::block_list()

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

1 call to context_reaction_block::block_list()

context_reaction_block::execute in plugins/context_reaction_block.inc

Execute.

File

plugins/context_reaction_block.inc, line 263

Class

context_reaction_block

Expose blocks as context reactions.

Code

function block_list($region) {
  static $build_queue;
  static $build_contexts;
  static $context_blocks = array();
  static $empty_blocks = array();

  // Static cache a region => block array of blocks that should be built *if*
  // the given region is requested. Note that the blocks are not themselves
  // built in this first run as not all regions may be requested even if
  // active contexts include blocks in those regions.
  $contexts = context_active_contexts();
  if (!isset($build_queue) || $build_contexts != array_keys($contexts)) {
    $info = $this
      ->get_blocks();
    $build_queue = array();
    $build_contexts = array_keys($contexts);
    foreach ($contexts as $context) {
      $options = $this
        ->fetch_from_context($context);
      if (!empty($options['blocks'])) {
        foreach ($options['blocks'] as $block) {
          $block = (object) $block;
          $block->context = $context->name;
          $block->bid = "{$block->module}-{$block->delta}";
          $block->cache = isset($info[$block->bid]->cache) ? $info[$block->bid]->cache : BLOCK_NO_CACHE;
          $build_queue[$block->region][] = $block;
        }
      }
    }
  }

  // Context blocks.
  if (!isset($context_blocks[$region])) {
    $context_blocks[$region] = array();
    $empty_blocks[$region] = array();
    if (!empty($build_queue[$region])) {
      foreach ($build_queue[$region] as $block) {
        $block = $this
          ->build_block($block);
        if (!empty($block->content)) {
          $context_blocks[$region][] = $block;
        }
        else {
          $empty_blocks[$region][] = $block;
        }
      }
    }
  }

  // Get core blocks only if enabled.
  $blocks = !variable_get('context_reaction_block_disable_core', FALSE) ? block_list($region) : array();
  $blocks = array_merge($blocks, $context_blocks[$region]);

  // Only include empty blocks if all regions should be shown or there are
  // non-empty blocks in the same region.
  $all_regions = variable_get('context_reaction_block_all_regions', FALSE);
  if ($this
    ->is_editable() && ($all_regions || !empty($blocks))) {
    $blocks = array_merge($blocks, $empty_blocks[$region]);
  }

  // Sort everything.
  uasort($blocks, array(
    'context_reaction_block',
    'block_sort',
  ));
  return $blocks;
}