function context_theme_registry_alter in Context 6.3

Same name and namespace in other branches

1. 6 context.core.inc \context_theme_registry_alter()
2. 6.2 context.core.inc \context_theme_registry_alter()
3. 7.3 context.core.inc \context_theme_registry_alter()

Implementation of hook_theme_registry_alter().

File

./context.core.inc, line 83

Code

function context_theme_registry_alter(&$theme_registry) {

  // Push theme_page() through a context_preprocess to provide
  // context-sensitive menus and variables. Ensure that
  // context_preprocess_page() comes immediately after
  // template_preprocess_page().
  $position = array_search('context_preprocess_page', $theme_registry['page']['preprocess functions']);
  if ($position !== FALSE) {
    unset($theme_registry['page']['preprocess functions'][$position]);
  }
  $position = array_search('template_preprocess_page', $theme_registry['page']['preprocess functions']);
  $position = $position ? $position + 1 : 2;
  array_splice($theme_registry['page']['preprocess functions'], $position, 0, 'context_preprocess_page');

  // Add a page preprocess function to the very top of the theme_page()
  // stack so that we can actually set contexts *before* the page theming
  // is executed.
  if (!in_array('context_page_alter', $theme_registry['page']['preprocess functions'])) {
    array_unshift($theme_registry['page']['preprocess functions'], 'context_page_alter');
  }

  // Reroute theme_blocks() through context_blocks to determine block
  // visibility by context. Only override theme_blocks() if a theme
  // has not overridden it. It is the responsibility of any themes
  // implementing theme_blocks() to take advantage of context block
  // visibility on their own.
  if (!isset($theme_registry['blocks']['type']) || !in_array($theme_registry['blocks']['type'], array(
    'base_theme_engine',
    'theme_engine',
  )) && !isset($theme_registry['blocks']['file'])) {
    unset($theme_registry['blocks']['preprocess functions']);
    $theme_registry['blocks']['function'] = 'context_blocks';
  }
}