class context_condition_context_all in Context 7.3

Expose active contexts as a context condition.

Hierarchy

• class \context_condition
  • class \context_condition_path
    • class \context_condition_context_all

2 string references to 'context_condition_context_all'

_context_context_plugins in ./context.plugins.inc

Context plugins.

_context_context_registry in ./context.plugins.inc

Context registry.

File

plugins/context_condition_context_all.inc, line 6

class context_condition_context_all extends context_condition_path {
  function execute() {
    if ($this
      ->condition_used()) {
      $active_contexts = array_keys(context_active_contexts());
      foreach ($this
        ->get_contexts() as $context) {

        // Only test contexts that haven't been activated yet,
        // and have values set.
        if (!in_array($context->name, $active_contexts, TRUE) && ($values = $this
          ->fetch_from_context($context, 'values'))) {
          $contexts_matched = 0;

          // Count the matched contexts
          foreach ($values as $value) {

            // Always check against the active contexts.
            if ($this
              ->match(array_keys(context_active_contexts()), array(
              $value,
            ))) {
              $contexts_matched++;
            }
          }

          // The condition is met if all contexts are active.
          if ($contexts_matched == count($values)) {
            $this
              ->condition_met($context);
          }
        }
      }

      // If the list of active contexts has changed, we need to recurse.
      if ($active_contexts != array_keys(context_active_contexts())) {
        $this
          ->execute();
      }
    }
  }

  /**
   * Retrieve all context conditions.
   *
   * This method is slightly adapted to context_condition::get_contexts() in
   * order to ensure that a context that is used as condition in another context
   * gets handled before.
   */
  function get_contexts($value = NULL) {
    $map = context_condition_map();
    $map = isset($map[$this->plugin]) ? $map[$this->plugin] : array();
    $contexts = array();

    // Add the contexts that are needed for conditions in the other contexts
    // first. Start with the negated ones first, as we can not unset a met
    // condition afterwards.
    krsort($map);
    foreach ($map as $key => $submap) {

      // Negated context conditions start with a "~".
      if (substr($key, 0, 1) == "~") {
        $key = substr($key, 1);
      }
      if (!isset($contexts[$key])) {
        $context = context_load($key);

        // Check if context exists. This will fail for wildcards.
        if ($context) {
          $contexts[$context->name] = $context;
        }
      }
    }
    foreach ($map as $key => $submap) {
      foreach ($submap as $name) {
        if (!isset($contexts[$name])) {
          $context = context_load($name);
          $contexts[$context->name] = $context;
        }
      }
    }
    return $contexts;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
context_condition::$description		property
context_condition::$plugin		property
context_condition::$title		property
context_condition::$values		property
context_condition::condition_met		function	Marks a context as having met this particular condition.
context_condition::condition_used		function	Check whether this condition is used by any contexts. Can be used to prevent expensive condition checks from being triggered when no contexts use this condition.
context_condition::editor_form		function	Context editor form for conditions.	2
context_condition::editor_form_submit		function	Context editor form submit handler.
context_condition::fetch_from_context		function	Retrieve options from the context provided.
context_condition::options_form		function	Options form. Provide additional options for your condition.	4
context_condition::options_form_submit		function	Options form submit handler.
context_condition::settings_form		function	Settings form. Provide variable settings for your condition.
context_condition::__clone		function	Clone our references when we're being cloned.
context_condition::__construct		function	Constructor. Do not override.
context_condition_context_all::execute		function	Execute. Overrides context_condition_path::execute
context_condition_context_all::get_contexts		function	Retrieve all context conditions. Overrides context_condition::get_contexts
context_condition_path::condition_form		function	Condition form. Overrides context_condition::condition_form
context_condition_path::condition_form_submit		function	Condition form submit handler. Overrides context_condition::condition_form_submit
context_condition_path::condition_values		function	Omit condition values. We will provide a custom input form for our conditions. Overrides context_condition::condition_values
context_condition_path::match	protected	function	Match the subject against a set of regex patterns. Similar to drupal_match_path() but also handles negation through the use of the ~ character.