front_page.module in Front Page 8

This module allows the site admin to set advanced front page settings.

This version is for Drupal 8. Earlier versions can be found at http://drupal.org/project/front.

If you have any ideas/patches or requests, please post them at http://drupal.org/project/issues/front.

File

front_page.module

<?php

/**
 * @file
 * This module allows the site admin to set advanced front page settings.
 *
 * This version is for Drupal 8.
 * Earlier versions can be found at http://drupal.org/project/front.
 *
 * If you have any ideas/patches or requests,
 * please post them at http://drupal.org/project/issues/front.
 */
use Drupal\Core\Database\Database;
use Drupal\Core\Render\Element;
use Drupal\Core\Routing\RouteMatchInterface;

/**
 * Implements hook_help().
 */
function front_page_help($route_name, RouteMatchInterface $route_match) {
  switch ($route_name) {
    case 'front_page.settings':
      return t('<p>Setup custom front pages for your site.</p>');
    case 'help.page.front_page':
      return t('<p>If a HOME link is set, the &lt;front&gt; placeholder will be replaced with this value instead of the standard front page.</p>');
  }
}

/**
 * Parse URL including GET and fragment.
 *
 * Function to parse a full URL including GET variables and fragment
 * to an array ready for drupal_goto(), url(), or l() functions.
 */
function front_page_parse_url($path) {
  $url['path'] = $path;
  $url['options'] = [];
  if (preg_match('@^(?P<path>[^?#]+)(\\?(?P<query>[^#]*))?(#(?P<fragment>.*))?$@', $path, $match)) {
    $url['path'] = $match['path'];
    if (!empty($match['query'])) {
      foreach (explode('&', $match['query']) as $query_part) {
        list($key, $value) = explode('=', $query_part);
        $url['options']['query'][$key] = $value;
      }
    }
    if (!empty($match['fragment'])) {
      $url['options']['fragment'] = $match['fragment'];
    }
  }
  return $url;
}

/**
 * Function to return the first role enabled in front page, ordered by weight.
 */
function front_page_get_by_role($index = 0, $number = 1) {
  $roles = \Drupal::currentUser()
    ->getRoles();
  $result = Database::getConnection()
    ->select('front_page', 'fp')
    ->fields('fp')
    ->condition('rid', $roles, 'IN')
    ->condition('mode', '', '<>')
    ->orderBy('weight', 'ASC')
    ->orderBy('rid', 'DESC')
    ->range($index, $number)
    ->execute()
    ->fetchAssoc();
  return $result;
}

/**
 * Function to return the first role enabled in front page, ordered by weight.
 */
function front_page_get_by_rid($rid) {
  $result = Database::getConnection()
    ->select('front_page', 'fp')
    ->fields('fp')
    ->condition('rid', $rid)
    ->condition('mode', '', '<>')
    ->execute()
    ->fetchAssoc();
  return $result;
}

/**
 * Function to return all the roles in front page, ordered by weight.
 */
function front_page_get_all() {
  $result = Database::getConnection()
    ->select('front_page', 'fp')
    ->fields('fp')
    ->orderBy('weight', 'ASC')
    ->orderBy('rid', 'DESC')
    ->execute()
    ->fetchAllAssoc('rid', PDO::FETCH_ASSOC);
  return $result;
}

/**
 * Implements hook_theme().
 */
function front_page_theme() {
  return [
    'front_page_admin_arrange_form' => [
      'render element' => 'form',
      'function' => 'theme_front_page_admin_arrange_form',
    ],
  ];
}

/**
 * Implements hook_user_role_delete().
 */
function front_page_user_role_delete($role) {

  // Delete Front configuration for the role being deleted.
  Database::getConnection()
    ->delete('front_page')
    ->condition('rid', $role->rid)
    ->execute();
}

/**
 * Returns HTML for the front page arrange form into a table.
 *
 * @param array $variables
 *   An associative array containing:
 *   - form: A render element representing the form.
 *
 * @return string
 *   Rendered admin form.
 *
 * @todo Refactor this function, it's a legacy way.
 */
function theme_front_page_admin_arrange_form($variables) {
  $form = $variables['form'];

  // Enable the drag handles.
  drupal_attach_tabledrag($form['roles'], [
    'table_id' => 'front-page-arrange',
    'action' => 'order',
    'relationship' => 'sibling',
    'group' => 'front-page-weight',
  ]);
  $header = [
    t('Role'),
    t('Mode'),
    t('Preview'),
    t('Enabled'),
    t('Weight'),
  ];
  $rows = [];
  $renderer = \Drupal::service('renderer');
  foreach (Element::children($form['roles']) as $rid) {
    $element =& $form['roles'][$rid];

    // Add special classes to be used for tabledrag.js.
    $element['weight']['#attributes']['class'] = [
      'front-page-weight',
    ];
    $row = [];
    $row[] = $renderer
      ->render($element['title'], FALSE);
    $row[] = $renderer
      ->render($element['mode'], FALSE);
    $row[] = $renderer
      ->render($element['preview'], FALSE);
    $row[] = $renderer
      ->render($element['enabled'], FALSE);
    $row[] = $renderer
      ->render($element['weight'], FALSE);
    $row = array_merge([
      'data' => $row,
    ], $element['#attributes']);
    $row['class'][] = 'draggable';
    $rows[] = $row;
  }
  $output = '';
  if (empty($rows)) {
    $rows[] = [
      [
        'data' => 'no roles',
        'colspan' => '5',
      ],
    ];
  }
  $front_page_arrange = [
    '#theme' => 'table',
    '#header' => $header,
    '#rows' => $rows,
    'attributes' => [
      'id' => 'front-page-arrange',
    ],
  ];
  $output .= $renderer
    ->render($front_page_arrange);
  foreach (Element::children($form) as $key) {
    if (!empty($form[$key])) {
      $output .= \Drupal::service('renderer')
        ->render($form[$key]);
    }
  }
  return $output;
}

Functions

Name	Description
front_page_get_all	Function to return all the roles in front page, ordered by weight.
front_page_get_by_rid	Function to return the first role enabled in front page, ordered by weight.
front_page_get_by_role	Function to return the first role enabled in front page, ordered by weight.
front_page_help	Implements hook_help().
front_page_parse_url	Parse URL including GET and fragment.
front_page_theme	Implements hook_theme().
front_page_user_role_delete	Implements hook_user_role_delete().
theme_front_page_admin_arrange_form	Returns HTML for the front page arrange form into a table.