og_subgroups_context.module in Subgroups for Organic groups 6

File

modules/og_subgroups_context/og_subgroups_context.module

<?php

/**
 * Implementation of hook_ctools_plugin_api()
 */
function og_subgroups_context_ctools_plugin_api($module, $api) {
  if ($module == 'context' && $api == 'plugins') {
    return array(
      'version' => 3,
    );
  }
}

/**
 * Implementation of hook_context_plugins()
 */
function og_subgroups_context_context_plugins() {
  $path = drupal_get_path('module', 'og_subgroups_context') . '/plugins';
  $plugins = array();
  $plugins['og_subgroups_context_condition_node_below_og'] = array(
    'handler' => array(
      'path' => $path,
      'file' => 'og_subgroups_context_condition_node_below_og.inc',
      'class' => 'og_subgroups_context_condition_node_below_og',
      'parent' => 'context_condition',
    ),
  );
  $plugins['og_subgroups_context_condition_has_children'] = array(
    'handler' => array(
      'path' => $path,
      'file' => 'og_subgroups_context_condition_has_children.inc',
      'class' => 'og_subgroups_context_condition_has_children',
      'parent' => 'context_condition',
    ),
  );
  $plugins['og_subgroups_context_condition_has_siblings'] = array(
    'handler' => array(
      'path' => $path,
      'file' => 'og_subgroups_context_condition_has_siblings.inc',
      'class' => 'og_subgroups_context_condition_has_siblings',
      'parent' => 'context_condition',
    ),
  );
  $plugins['og_subgroups_context_condition_has_parent'] = array(
    'handler' => array(
      'path' => $path,
      'file' => 'og_subgroups_context_condition_has_parent.inc',
      'class' => 'og_subgroups_context_condition_has_parent',
      'parent' => 'context_condition',
    ),
  );
  return $plugins;
}

/**
 * Implementation of hook_context_registry()
 */
function og_subgroups_context_context_registry() {
  return array(
    'conditions' => array(
      'og_subgroups_context_condition_node_below_og' => array(
        'title' => t('OG subgroups: below'),
        'description' => t("Set this context when the current group is a child of the selected groups."),
        'plugin' => 'og_subgroups_context_condition_node_below_og',
      ),
      'og_subgroups_context_condition_has_children' => array(
        'title' => t('OG subgroups: children'),
        'description' => t("Set this context based on whether or not the current group has children."),
        'plugin' => 'og_subgroups_context_condition_has_children',
      ),
      'og_subgroups_context_condition_has_siblings' => array(
        'title' => t('OG subgroups: siblings'),
        'description' => t("Set this context based on whether or not the current group has siblings."),
        'plugin' => 'og_subgroups_context_condition_has_siblings',
      ),
      'og_subgroups_context_condition_has_parent' => array(
        'title' => t('OG subgroups: parent'),
        'description' => t("Set this context based on whether or not the current group has a parent."),
        'plugin' => 'og_subgroups_context_condition_has_parent',
      ),
    ),
  );
}

/**
 * Implementation of hook_init()
 */
function og_subgroups_context_init() {
  $contexts = array_keys(og_subgroups_context_context_plugins());

  // Execute the context conditions
  foreach ($contexts as $context) {
    $plugin = context_get_plugin('condition', $context);
    if ($plugin) {
      $plugin
        ->execute();
    }
  }
}

/**
 * Implementation of hook_enable()
 */
function og_subgroups_context_enable() {
  context_invalidate_cache();
}

/**
 * Determine the current group we're in
 */
function og_subgroups_context_current_group() {
  static $group = FALSE;

  // See if we haven't registered a group yet
  if (!$group) {

    // Attempt to get the group from OG's context
    if (!($group = og_get_group_context())) {

      // Try to get the nid from the URL
      $nid = 0;
      if (arg(0) == 'node') {
        if (arg(1) == 'add' && arg(2) && isset($_GET['gids'][0])) {
          $nid = $_GET['gids'][0];
        }
        else {
          if (is_numeric(arg(1))) {
            $nid = arg(1);
          }
        }
      }
      else {
        if (arg(0) == 'og') {
          if ((arg(1) == 'users' || arg(1) == 'manage') && is_numeric(arg(2))) {
            $nid = arg(2);
          }
        }
      }

      // See if we have registered an nid to test
      if ($nid) {

        // Attempt to load the node
        if ($node = node_load($nid)) {

          // See if this is a group type
          if (og_is_group_type($node->type)) {

            // Set this node as our group
            $group = $node;
          }
        }
      }
    }
  }
  return $group;
}

Functions

Name	Description
og_subgroups_context_context_plugins	Implementation of hook_context_plugins()
og_subgroups_context_context_registry	Implementation of hook_context_registry()
og_subgroups_context_ctools_plugin_api	Implementation of hook_ctools_plugin_api()
og_subgroups_context_current_group	Determine the current group we're in
og_subgroups_context_enable	Implementation of hook_enable()
og_subgroups_context_init	Implementation of hook_init()