/**
 * Pre-processes variables for the "region" theme hook.
 *
 * See template for list of available variables.
 *
 * @see region.tpl.php
 *
 * @ingroup theme_preprocess
 */
function bootstrap_preprocess_region(&$variables)
{
    $region = $variables['elements']['#region'];
    $variables['region'] = $region;
    $variables['content'] = $variables['elements']['#children'];
    $theme = \Drupal::theme()->getActiveTheme()->getName();
    // Content region.
    if ($region === 'content') {
        // @todo is this actually used properly?
        $variables['theme_hook_suggestions'][] = 'region__no_wrapper';
    } elseif ($region === 'help' && !empty($variables['content'])) {
        $content = $variables['content'];
        $variables['content'] = array('icon' => array('#markup' => _bootstrap_icon('question-sign')), 'content' => array('#markup' => $content));
        $variables['attributes']['class'][] = 'alert';
        $variables['attributes']['class'][] = 'alert-info';
        $variables['attributes']['class'][] = 'messages';
        $variables['attributes']['class'][] = 'info';
    }
    // Support for "well" classes in regions.
    static $wells;
    if (!isset($wells)) {
        foreach (system_region_list($theme) as $name => $title) {
            $wells[$name] = bootstrap_setting('region_well-' . $name);
        }
    }
    if (!empty($wells[$region])) {
        $variables['attributes']['class'][] = $wells[$region];
    }
}

/**
 * Implements hook_preprocess_region().
 */
function teca3_preprocess_region(&$variables)
{
    global $theme;
    static $wells;
    if (!isset($wells)) {
        foreach (system_region_list($theme) as $name => $title) {
            $wells[$name] = theme_get_setting('bootstrap_region_well-' . $name);
        }
    }
    switch ($variables['region']) {
        // @todo is this actually used properly?
        case 'content':
            $variables['theme_hook_suggestions'][] = 'region__no_wrapper';
            break;
        case 'help':
            $variables['content'] = _bootstrap_icon('question-sign') . $variables['content'];
            $variables['classes_array'][] = 'alert';
            $variables['classes_array'][] = 'alert-info';
            break;
        case 'footer':
            $variables['classes_array'][] = 'container';
            break;
    }
    if (!empty($wells[$variables['region']])) {
        $variables['classes_array'][] = $wells[$variables['region']];
    }
}

/**
 * Override or insert PHPTemplate variables into the templates.
 */
function phptemplate_preprocess_page(&$vars)
{
    $vars['tabs2'] = menu_secondary_local_tasks();
    // Hook into color.module
    if (module_exists('color')) {
        _color_page_alter($vars);
    }
    // handy helper for themes, not related to 404 issue
    $vars['base_path'] = base_path();
    // Only does the check if required
    if (!$vars['show_blocks']) {
        global $theme;
        $regions = system_region_list($theme);
        foreach (array_keys($regions) as $region) {
            // Only set left and right regions
            // Drupal core sets the other blocks already
            // IMHO this shows a real lack of design considerations for leaving these out!
            if ($region == 'left' || $region == 'right') {
                $blocks = theme('blocks', $region);
                if (isset($variables[$region])) {
                    $vars[$region] .= $blocks;
                } else {
                    $vars[$region] = $blocks;
                }
            }
        }
    }
}

 /**
  * Tests setting and retrieving content for theme regions.
  */
 function testRegions()
 {
     global $theme_key;
     $block_regions = array_keys(system_region_list($theme_key));
     $delimiter = $this->randomMachineName(32);
     $values = array();
     // Set some random content for each region available.
     foreach ($block_regions as $region) {
         $first_chunk = $this->randomMachineName(32);
         drupal_add_region_content($region, $first_chunk);
         $second_chunk = $this->randomMachineName(32);
         drupal_add_region_content($region, $second_chunk);
         // Store the expected result for a drupal_get_region_content call for this region.
         $values[$region] = $first_chunk . $delimiter . $second_chunk;
     }
     // Ensure drupal_get_region_content returns expected results when fetching all regions.
     $content = drupal_get_region_content(NULL, $delimiter);
     foreach ($content as $region => $region_content) {
         $this->assertEqual($region_content, $values[$region], format_string('@region region text verified when fetching all regions', array('@region' => $region)));
     }
     // Ensure drupal_get_region_content returns expected results when fetching a single region.
     foreach ($block_regions as $region) {
         $region_content = drupal_get_region_content($region, $delimiter);
         $this->assertEqual($region_content, $values[$region], format_string('@region region text verified when fetching single region.', array('@region' => $region)));
     }
 }

/**
 * Implements hook_preprocess_region().
 */
function bootstrap_preprocess_region(&$variables)
{
    global $theme;
    $region = $variables['region'];
    $classes =& $variables['classes_array'];
    // Content region.
    if ($region === 'content') {
        // @todo is this actually used properly?
        $variables['theme_hook_suggestions'][] = 'region__no_wrapper';
    } elseif ($region === 'help' && !empty($variables['content'])) {
        $variables['content'] = _bootstrap_icon('question-sign') . $variables['content'];
        $classes[] = 'alert';
        $classes[] = 'alert-info';
        $classes[] = 'messages';
        $classes[] = 'info';
    }
    // Support for "well" classes in regions.
    static $wells;
    if (!isset($wells)) {
        foreach (system_region_list($theme) as $name => $title) {
            $wells[$name] = bootstrap_setting('region_well-' . $name);
        }
    }
    if (!empty($wells[$region])) {
        $classes[] = $wells[$region];
    }
}

function urbana_preprocess_node(&$variables)
{
    // Get a list of all the regions for this theme
    foreach (system_region_list($GLOBALS['theme']) as $region_key => $region_name) {
        // Get the content for each region and add it to the $region variable
        if ($blocks = block_get_blocks_by_region($region_key)) {
            $variables['region'][$region_key] = $blocks;
        } else {
            $variables['region'][$region_key] = array();
        }
    }
}

 protected function interact(InputInterface $input, OutputInterface $output)
 {
     $dialog = $this->getDialogHelper();
     $configFactory = $this->getConfigFactory();
     $theme = $configFactory->get('system.theme')->get('default');
     $theme_regions = system_region_list($theme, REGIONS_VISIBLE);
     // --module option
     $module = $input->getOption('module');
     if (!$module) {
         // @see Drupal\Console\Command\ModuleTrait::moduleQuestion
         $module = $this->moduleQuestion($output, $dialog);
     }
     $input->setOption('module', $module);
     // --class-name option
     $class_name = $input->getOption('class-name');
     if (!$class_name) {
         $class_name = $dialog->askAndValidate($output, $dialog->getQuestion($this->trans('commands.generate.plugin.block.options.class-name'), 'DefaultBlock'), function ($class_name) {
             return $this->validateClassName($class_name);
         }, false, 'DefaultBlock', null);
     }
     $input->setOption('class-name', $class_name);
     $default_label = $this->getStringHelper()->camelCaseToHuman($class_name);
     // --label option
     $label = $input->getOption('label');
     if (!$label) {
         $label = $dialog->ask($output, $dialog->getQuestion($this->trans('commands.generate.plugin.block.options.label'), $default_label), $default_label);
     }
     $input->setOption('label', $label);
     $machine_name = $this->getStringHelper()->camelCaseToUnderscore($class_name);
     // --plugin-id option
     $plugin_id = $input->getOption('plugin-id');
     if (!$plugin_id) {
         $plugin_id = $dialog->ask($output, $dialog->getQuestion($this->trans('commands.generate.plugin.block.options.plugin-id'), $machine_name), $machine_name);
     }
     $input->setOption('plugin-id', $plugin_id);
     // --theme-region option
     $theme_region = $input->getOption('theme-region');
     if (!$theme_region) {
         $theme_region = $dialog->askAndValidate($output, $dialog->getQuestion($this->trans('commands.generate.plugin.block.options.theme-region'), ''), function ($region) use($theme_regions) {
             return array_search($region, $theme_regions);
         }, false, '', $theme_regions);
     }
     $input->setOption('theme-region', $theme_region);
     // --services option
     // @see Drupal\Console\Command\ServicesTrait::servicesQuestion
     $services_collection = $this->servicesQuestion($output, $dialog);
     $input->setOption('services', $services_collection);
     $output->writeln($this->trans('commands.generate.plugin.block.messages.inputs'));
     // @see Drupal\Console\Command\FormTrait::formQuestion
     $form = $this->formQuestion($output, $dialog);
     $input->setOption('inputs', $form);
 }

/**
 * Implement hook_page_alter
 */
function drupalexp_page_alter(&$page)
{
    $regions = system_region_list($GLOBALS['theme'], REGIONS_ALL);
    foreach ($regions as $region => $name) {
        switch ($region) {
            case 'title':
                if (empty($page[$region])) {
                    $page[$region] = array('block_title' => array('#markup' => ''), '#region' => $region, '#theme_wrappers' => array('region'));
                }
                break;
        }
    }
}

 protected function interact(InputInterface $input, OutputInterface $output)
 {
     $io = new DrupalStyle($input, $output);
     $configFactory = $this->getConfigFactory();
     $theme = $configFactory->get('system.theme')->get('default');
     $themeRegions = \system_region_list($theme, REGIONS_VISIBLE);
     // --module option
     $module = $input->getOption('module');
     if (!$module) {
         // @see Drupal\Console\Command\Shared\ModuleTrait::moduleQuestion
         $module = $this->moduleQuestion($output);
         $input->setOption('module', $module);
     }
     // --class option
     $class = $input->getOption('class');
     if (!$class) {
         $class = $io->ask($this->trans('commands.generate.plugin.block.options.class'), 'DefaultBlock', function ($class) {
             return $this->validateClassName($class);
         });
         $input->setOption('class', $class);
     }
     // --label option
     $label = $input->getOption('label');
     if (!$label) {
         $label = $io->ask($this->trans('commands.generate.plugin.block.options.label'), $this->getStringHelper()->camelCaseToHuman($class));
         $input->setOption('label', $label);
     }
     // --plugin-id option
     $pluginId = $input->getOption('plugin-id');
     if (!$pluginId) {
         $pluginId = $io->ask($this->trans('commands.generate.plugin.block.options.plugin-id'), $this->getStringHelper()->camelCaseToUnderscore($class));
         $input->setOption('plugin-id', $pluginId);
     }
     // --theme-region option
     $themeRegion = $input->getOption('theme-region');
     if (!$themeRegion) {
         $themeRegion = $output->choiceNoList($this->trans('commands.generate.plugin.block.options.theme-region'), array_values($themeRegions), null, true);
         $themeRegion = array_search($themeRegion, $themeRegions);
         $input->setOption('theme-region', $themeRegion);
     }
     // --services option
     // @see Drupal\Console\Command\Shared\ServicesTrait::servicesQuestion
     $services = $this->servicesQuestion($output);
     $input->setOption('services', $services);
     $output->writeln($this->trans('commands.generate.plugin.block.messages.inputs'));
     // @see Drupal\Console\Command\Shared\FormTrait::formQuestion
     $inputs = $this->formQuestion($output);
     $input->setOption('inputs', $inputs);
 }

function _proma_get_multiple_regions($region_types = array('sidebar_'), $theme_override = NULL)
{
    $current_theme = $theme_override ? $theme_override : variable_get('theme_default', $theme_override);
    $regions = system_region_list($current_theme);
    $theme_regions = array();
    // Loop through the region types:
    foreach ($region_types as $region_type) {
        foreach ($regions as $key => $name) {
            if (strpos($key, $region_type) === 0) {
                $theme_regions[$region_type][$key] = $name;
            }
        }
    }
    return $theme_regions;
}

 /**
  * {@inheritdoc}
  */
 public function load()
 {
     // If no theme was specified, use the current theme.
     if (!$this->theme) {
         $this->theme = \Drupal::theme()->getActiveTheme()->getName();
     }
     // Store the region list.
     $this->regions = system_region_list($this->theme, REGIONS_VISIBLE);
     // Load only blocks for this theme, and sort them.
     // @todo Move the functionality of _block_rehash() out of the listing page.
     $entities = _block_rehash($this->theme);
     // Sort the blocks using \Drupal\block\Entity\Block::sort().
     uasort($entities, array($this->entityType->getClass(), 'sort'));
     return $entities;
 }

/**
 * Preprocessor for node.tpl.php template file.
 */
function msd15_preprocess_node(&$vars)
{
    if ($vars["is_front"]) {
        $vars["theme_hook_suggestions"][] = "node__front";
    }
    // Get a list of all the regions for this theme
    foreach (system_region_list($GLOBALS['theme']) as $region_key => $region_name) {
        // Get the content for each region and add it to the $region variable
        if ($blocks = block_get_blocks_by_region($region_key)) {
            $vars['region'][$region_key] = $blocks;
        } else {
            $vars['region'][$region_key] = array();
        }
    }
}

/**
 * Helper function that inserts sample content into empty regions.
 */
function _bartik_process_page(&$variables)
{
    // Lorem ipsum is Latin and doesn't need to be translated.
    $paragraph = '<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.</p>';
    // List of links to be used in footer regions.
    $list = theme('links', array('links' => array('jean-bartik' => array('title' => t('Jean Bartik'), 'href' => 'http://www.google.com/search?q=Jean+Bartik', 'absolute' => TRUE), 'bartik-settings' => array('title' => t('Bartik theme settings'), 'href' => 'admin/appearance/settings/bartik'), 'drupal' => array('title' => t('Drupal.org'), 'href' => 'http://drupal.org', 'absolute' => TRUE), 'theme-guide' => array('title' => t('Drupal theme guide'), 'href' => 'http://drupal.org/theme-guide', 'absolute' => TRUE))));
    // Generate a link to the settings.
    $link = '<p class="sample-regions-link">' . t('This sample content can be turned off using the “Display sample content in empty regions” option on the !link page.', array('!link' => l(t('Bartik settings'), 'admin/appearance/settings/bartik'))) . '</p>';
    // Create a fake block.
    $block = new stdClass();
    $block->module = 'bartik';
    $block->theme = 'bartik';
    $block->status = 1;
    $block->weight = 0;
    $block->custom = 0;
    $block->visibility = 0;
    $block->pages = '';
    $block->title = '';
    $block->cache = DRUPAL_NO_CACHE;
    $block->subject = 'Lorem ipsum';
    // Grab the list of visible regions.
    $regions = system_region_list('bartik', REGIONS_VISIBLE);
    // Ignore common regions.
    $ignore_regions = array('header', 'highlight', 'help', 'content', 'footer');
    // Generate sample content for any empty regions.
    $bid = 1000;
    foreach ($regions as $region => $label) {
        if (!in_array($region, $ignore_regions) && empty($variables['page'][$region])) {
            // Set dynamic bits of the fake block.
            $bid++;
            $block->bid = $bid;
            $block->delta = 'delta-' . $bid;
            $block->region = $region;
            // Show the list of links in the footer regions, otherwise show lorem ipsum.
            if (strpos($region, 'footer_') === 0) {
                $content = $list . $link;
            } else {
                $content = $paragraph . $link;
            }
            // Load the region.
            $variables['page'][$region] = array('bartik_sample_block' => array('#markup' => $content, '#block' => $block, '#weight' => 0, '#theme_wrappers' => array('block')));
        }
    }
}

 /**
  * {@inheritdoc}
  */
 public function alterForm(array &$form, FormStateInterface $form_state, $form_id = NULL)
 {
     parent::alterForm($form, $form_state, $form_id);
     $group = $this->getGroup($form, $form_state);
     $setting = $this->getElement($form, $form_state);
     // Move description.
     $group->setProperty('description', $setting->getProperty('description'));
     // Retrieve the current default values.
     $default_values = $group->getProperty('default_value', $this->getDefaultValue());
     $wells = ['' => t('None'), 'well' => t('.well (normal)'), 'well well-sm' => t('.well-sm (small)'), 'well well-lg' => t('.well-lg (large)')];
     // Create dynamic well settings for each region.
     $regions = system_region_list($this->theme->getName());
     foreach ($regions as $name => $title) {
         if (in_array($name, ['page_top', 'page_bottom'])) {
             continue;
         }
         $setting->{'region_well-' . $name} = ['#title' => $title, '#type' => 'select', '#attributes' => ['class' => ['input-sm']], '#options' => $wells, '#default_value' => isset($default_values[$name]) ? $default_values[$name] : ''];
     }
 }

function easytheme_preprocess_node(&$variables)
{
    // Get a list of all the regions for this theme
    foreach (system_region_list($GLOBALS['theme']) as $region_key => $region_name) {
        // Get the content for each region and add it to the $region variable
        if ($blocks = block_get_blocks_by_region($region_key)) {
            $variables['region'][$region_key] = $blocks;
        } else {
            $variables['region'][$region_key] = array();
        }
    }
    /* 
     * region to work with context
     *
     * http://www.raisedeyebrow.com/blog/2012/07/displaying-drupal-context-regions-node-templates
     */
    //$reaction = context_get_plugin('reaction', 'block');
    //$var = $variables['region']['sidebar_first'];
    //$variables['region']['sidebar_first'] = ($reaction->block_get_blocks_by_region('sidebar_first')); //
}

/**
 * Implements hook_preprocess_region().
 */
function gavias_laikafood_preprocess_region(&$variables)
{
    global $theme;
    static $wells;
    if (!isset($wells)) {
        foreach (system_region_list($theme) as $name => $title) {
            $wells[$name] = theme_get_setting('gavias_laikafood_region_well-' . $name);
        }
    }
    switch ($variables['region']) {
        case 'content':
            $variables['theme_hook_suggestions'][] = 'region__no_wrapper';
            break;
        case 'help':
            $variables['content'] = _gavias_laikafood_icon('question-sign') . $variables['content'];
            $variables['classes_array'][] = 'alert';
            $variables['classes_array'][] = 'alert-info';
            break;
    }
    if (trim($wells[$variables['region']])) {
        $variables['classes_array'][] = $wells[$variables['region']];
    }
}

/**
 * Loads options to Maximenu admin
 *
 */
function _maximenu_block_options($menu_content = array(), $settings = array())
{
    $form_new = array();
    // Skin
    $output_options = isset($settings['outputs']) ? $settings['outputs'] : '';
    if (!empty($output_options)) {
        $form_new['stacking'] = array('#type' => 'select', '#title' => t('Stacking'), '#options' => array('row' => 'Row', 'column' => 'Column'), '#default_value' => isset($menu_content['stacking']) ? $menu_content['stacking'] : 'row', '#description' => t('
        <ul>
          <li><strong>Row</strong> - all links in 1 row</li>
          <li><strong>Column</strong> -all links in 1 column</li>
        </ul>
       '));
        $form_new['direction'] = array('#type' => 'select', '#title' => t('Block Menu Direction'), '#options' => array('block-down' => 'Dropdown', 'block-up' => 'Dropup', 'block-right' => 'Right', 'block-left' => 'Left'), '#default_value' => isset($menu_content['direction']) ? $menu_content['direction'] : 'block-down', '#description' => t('OM Maximenu will popup on this direction. Applicable only with dropdown style.'));
        $theme_default = variable_get('theme_default', 'garland');
        $region_none = array('' => 'none');
        $regions = system_region_list($theme_default);
        $regions = array_merge($region_none, $regions);
        $form_new['region'] = array('#type' => 'select', '#title' => t('Region'), '#options' => $regions, '#default_value' => isset($menu_content['region']) ? $menu_content['region'] : '', '#description' => t('Select theme region.'));
        $form_new['weight'] = array('#type' => 'weight', '#title' => t('Block Weight'), '#delta' => 200, '#default_value' => isset($menu_content['weight']) ? $menu_content['weight'] : 0, '#description' => t('Negative values have the highest position in the order, so -1 comes first before 0 then 1, ...'));
        $access = user_access('use PHP for settings');
        if (isset($menu_content['visibility']) && $menu_content['visibility'] == 2 && !$access) {
            $form_new['visibility'] = array('#type' => 'value', '#value' => 2);
            $form_new['pages'] = array('#type' => 'value', '#value' => $menu_content['pages']);
        } else {
            $options = array(t('Show on every page except the listed pages.'), t('Show on only the listed pages.'));
            $description = t("Enter one page per line as Drupal paths. The '*' character is a wildcard. Example paths are %blog for the blog page and %blog-wildcardfor every personal blog. %front is the front page.", array('%blog' => 'blog', '%blog-wildcard' => 'blog/*', '%front' => '<front>'));
            if (module_exists('php') && $access) {
                $options[] = t('Show if the following PHP code returns <code>TRUE</code> (PHP-mode, experts only).');
                $description .= ' ' . t('If the PHP-mode is chosen, enter PHP code between %php. Note that executing incorrect PHP-code canbreak your Drupal site.', array('%php' => '<?php ?>'));
            }
            $form_new['visibility'] = array('#type' => 'radios', '#title' => t('Show menu on specific pages'), '#options' => $options, '#default_value' => isset($menu_content['visibility']) ? $menu_content['visibility'] : 0);
            $form_new['pages'] = array('#type' => 'textarea', '#title' => t('Pages'), '#default_value' => isset($menu_content['pages']) ? $menu_content['pages'] : '', '#description' => $description);
        }
    }
    return $form_new;
}

 /**
  * Tests placing blocks as an admin.
  */
 public function testPlacingBlocksAdmin()
 {
     // Create administrative user.
     $this->drupalLogin($this->drupalCreateUser(['access administration pages', 'access toolbar', 'administer blocks', 'view the administration theme']));
     $this->drupalGet(Url::fromRoute('<front>'));
     $this->clickLink('Place block');
     // Each region should have one link to place a block.
     $theme_name = $this->container->get('theme.manager')->getActiveTheme()->getName();
     $visible_regions = system_region_list($theme_name, REGIONS_VISIBLE);
     $this->assertGreaterThan(0, count($visible_regions));
     $default_theme = $this->config('system.theme')->get('default');
     $block_library_url = Url::fromRoute('block.admin_library', ['theme' => $default_theme]);
     foreach ($visible_regions as $region => $name) {
         $block_library_url->setOption('query', ['region' => $region]);
         $links = $this->xpath('//a[contains(@href, :href)]', [':href' => $block_library_url->toString()]);
         $this->assertEquals(1, count($links));
         list(, $query_string) = explode('?', $links[0]->getAttribute('href'), 2);
         parse_str($query_string, $query_parts);
         $this->assertNotEmpty($query_parts['destination']);
         // Get the text inside the div->a->span->em.
         $demo_block = $this->xpath('//div[@class="block-place-region"]/a/span[text()="Place block in the "]/em[text()="' . $name . '"]');
         $this->assertEquals(1, count($demo_block));
     }
 }

 /**
  * Wraps system_region_list().
  */
 protected function systemRegionList($theme, $show = REGIONS_ALL)
 {
     return system_region_list($theme, $show);
 }

/**
 * Implements hook_page_alter().
 *
 * Look for the last block in the region. This is impossible to determine from
 * within a preprocess_block function.
 *
 * @param $page
 *   Nested array of renderable elements that make up the page.
 */
function clf_page_alter(&$page)
{
    // Look in each visible region for blocks.
    foreach (system_region_list($GLOBALS['theme'], REGIONS_VISIBLE) as $region => $name) {
        if (!empty($page[$region])) {
            // Find the last block in the region.
            $blocks = array_reverse(element_children($page[$region]));
            while ($blocks && !isset($page[$region][$blocks[0]]['#block'])) {
                array_shift($blocks);
            }
            if ($blocks) {
                $page[$region][$blocks[0]]['#block']->last_in_region = TRUE;
            }
        }
    }
}