context_reaction_theme.module in Context Reaction: Theme 7

This module enables a context reaction to alter the active theme.

See README file for full credits.

File

context_reaction_theme.module

<?php

/**
 * @file
 * This module enables a context reaction to alter the active theme.
 *
 * See README file for full credits.
 */

/**
 * Implements hook_custom_theme().
 *
 * Test a few of the context conditions and execute the plugin if it is matched.
 *
 * @return string | null
 *   String of the theme to
 *
 * @see hook_custom_theme()
 */
function context_reaction_theme_custom_theme() {

  // Initiate core conditions here to trigger all contexts with an active_theme
  // reaction and core conditions only.
  if ($plugin = context_get_plugin('condition', 'path')) {
    $plugin
      ->execute();
  }
  if ($plugin = context_get_plugin('condition', 'language')) {
    global $language;
    $plugin
      ->execute($language->language);
  }
  if ($plugin = context_get_plugin('condition', 'user')) {
    global $user;
    $plugin
      ->execute($user);
  }

  // @todo: write a module_implements hook to allow custom conditions here?
  // Check for the active theme reaction.
  if ($plugin = context_get_plugin('reaction', 'active_theme')) {
    if ($custom_theme = $plugin
      ->execute()) {

      // return the theme name!
      return $custom_theme;
    }
  }
}

/**
 * Implements hook_ctools_plugin_api().
 *
 * Notify CTools that we'll be using the plugin API with Context module.
 */
function context_reaction_theme_ctools_plugin_api($module, $api) {
  if ($module == 'context' && $api == 'plugins') {
    return array(
      'version' => 3,
    );
  }
}

/**
 * Implements hook_context_plugins().
 *
 * CTools plugin API hook for Context.
 *
 * @return array
 *   Config details for each reaction.
 *
 * @see hook_context_plugins()
 */
function context_reaction_theme_context_plugins() {
  $plugins = array();
  $plugins['context_reaction_active_theme'] = array(
    'handler' => array(
      'path' => drupal_get_path('module', 'context_reaction_theme') . '/plugins',
      'file' => 'context_reaction_theme.inc',
      'class' => 'context_reaction_active_theme',
      'parent' => 'context_reaction',
    ),
  );
  return $plugins;
}

/**
 * Implements hook_context_registry().
 *
 * Registry hook for conditions & reactions.
 *
 * @see hook_context_registry()
 */
function context_reaction_theme_context_registry() {
  return array(
    'reactions' => array(
      'active_theme' => array(
        'title' => t('Active theme'),
        'description' => t('Change the active theme.'),
        'plugin' => 'context_reaction_active_theme',
      ),
    ),
  );
}

Functions

Name	Description
context_reaction_theme_context_plugins	Implements hook_context_plugins().
context_reaction_theme_context_registry	Implements hook_context_registry().
context_reaction_theme_ctools_plugin_api	Implements hook_ctools_plugin_api().
context_reaction_theme_custom_theme	Implements hook_custom_theme().