Club Drupal

<?php

/**

 * @file

 * Plugin to provide a user context

 */

/**

 * Plugins are described by creating a $plugin array which will be used

 * by the system that includes this file.

 */

$plugin = array(

  'title' => t("Forum"),

  'description' => t('A single forum object.'),

  'context' => 'advanced_forum_forum_context_create_forum',

  'settings form' => 'advanced_forum_forum_context_settings_form',

  'settings form validate' => 'advanced_forum_forum_context_settings_form_validate',

  'keyword' => 'forum',

  'context name' => 'forum',

  'convert list' => array(

    'tid' => t('Forum ID'),

    'name' => t('Forum name'),

  ),

  'convert' => 'advanced_forum_forum_context_convert',

  'defaults' => array('tid' => 0),

);

/**

 * Create a context, either from manual configuration or from an argument on the URL.

 *

 * @param bool $empty

 *   If true, just return an empty context.

 *

 * @param array|null $data

 *   If from settings form, an array as from a form. If from argument, a string.

 *

 * @param array|bool $conf

 *   TRUE if the $data is coming from admin configuration, FALSE if it's from a URL arg.

 *

 * @return object.

 *   a Context object.

 */

function advanced_forum_forum_context_create_forum($empty, $data = NULL, $conf = FALSE) {

  $context = new ctools_context(array('forum', 'term'));

  $context->plugin = 'forum';

  if ($empty) {

    return $context;

  }

  if ($conf) {

    if (!empty($data['tid'])) {

      $data = taxonomy_term_load($data['tid']);

    }

    else {

      $data = taxonomy_vocabulary_load(variable_get('forum_nav_vocabulary', 0));

      $data->tid = 0;

    }

  }

  if (!empty($data)) {

    $data->container = (!$data->tid || in_array($data->tid, variable_get('forum_containers', array())));

    $context->data = clone $data;

    $context->title = $data->name;

    $context->argument = $data->tid;

    $context->vid = variable_get('forum_nav_vocabulary', '');

    $context->vocabulary = taxonomy_vocabulary_load($context->vid);

    if ($data->tid) {

      $context->parents = taxonomy_get_parents_all($data->tid);

    }

    return $context;

  }

}

/**

 * Context settings form.

 */

function advanced_forum_forum_context_settings_form($form, &$form_state) {

  $conf = $form_state['conf'];

  if (empty($conf)) {

    $conf = array('tid' => 0);

  }

  $options = array();

  $vocabulary = taxonomy_vocabulary_load(variable_get('forum_nav_vocabulary', 0));

  $options[$vocabulary->vid] = $vocabulary->name;

  $tree = taxonomy_get_tree($vocabulary->vid);

  if ($tree) {

    foreach ($tree as $term) {

      $choice = new stdClass();

      $choice->option = array($term->tid => str_repeat('-', $term->depth + 1) . $term->name);

      $options[] = $choice;

    }

  }

  $form['tid'] = array(

    '#type' => 'select',

    '#title' => t('Forum'),

    '#default_value' => $conf['tid'],

    '#options' => $options,

  );

  return $form;

}

/**

 * Convert a context into a string.

 */

function advanced_forum_forum_context_convert($context, $type) {

  switch ($type) {

    case 'tid':

      return $context->data->tid;

    case 'name':

      $forum_term = $context->data;

      if (module_exists('i18n_taxonomy')) {

        $forum_term = i18n_taxonomy_localize_terms($forum_term);

      }

      return $forum_term->name;

  }

}