function context_reaction_block::execute in Context 7.3

Same name and namespace in other branches

1. 6.3 plugins/context_reaction_block.inc \context_reaction_block::execute()
2. 6 plugins/context_reaction_block.inc \context_reaction_block::execute()

Execute.

File

plugins/context_reaction_block.inc, line 210

Class

context_reaction_block

Expose blocks as context reactions.

Code

function execute(&$page) {
  global $theme;

  // The theme system might not yet be initialized. We need $theme.
  drupal_theme_initialize();

  // If the context_block querystring param is set, switch to AJAX rendering.
  // Note that we check the output buffer for any content to ensure that we
  // are not in the middle of a PHP template render.
  if (isset($_GET['context_block']) && !ob_get_contents()) {
    return $this
      ->render_ajax($_GET['context_block']);
  }

  // Populate all block regions
  $all_regions = $this
    ->system_region_list($theme);

  // Load all region content assigned via blocks.
  foreach (array_keys($all_regions) as $region) {
    if ($this
      ->is_enabled_region($region)) {
      if ($blocks = $this
        ->block_get_blocks_by_region($region)) {

        // Are the blocks already sorted.
        $blocks_sorted = TRUE;

        // If blocks have already been placed in this region (most likely by
        // Block module), then merge in blocks from Context.
        if (isset($page[$region])) {
          $page[$region] = array_merge($page[$region], $blocks);

          // Restore the weights that Block module manufactured
          // @see _block_get_renderable_array()
          foreach ($page[$region] as &$block) {
            if (isset($block['#block']->weight)) {
              $block['#weight'] = $block['#block']->weight;
              $blocks_sorted = FALSE;
            }
          }
        }
        else {
          $page[$region] = $blocks;
        }
        $page[$region]['#sorted'] = $blocks_sorted;
      }
    }
  }
}