calypso.module

<?php

/**
 * @file
 * Calypso
 *
 * @author Hein Bekker <hein@netbek.co.za>
 * @copyright (c) 2015 Hein Bekker
 * @license http://www.gnu.org/licenses/gpl-2.0.txt GPLv2
 */

/**
 * Implements hook_menu().
 */
function calypso_menu() {
  $items = array();
  $path = drupal_get_path('module', 'calypso');

  $items['admin/calypso'] = array(
    'title' => 'Radio',
    'description' => 'Configure Radio.',
    'page callback' => 'drupal_get_form',
    'page arguments' => array('calypso_admin_settings'),
    'access arguments' => array('administer calypso'),
    'type' => MENU_NORMAL_ITEM,
    'file' => 'calypso.admin.inc',
    'file path' => $path,
    'weight' => -15,
  );

  $items['admin/calypso/settings'] = array(
    'title' => 'Settings',
    'description' => 'Configure Radio settings.',
    'page callback' => 'drupal_get_form',
    'page arguments' => array('calypso_admin_settings'),
    'access arguments' => array('administer calypso'),
    'type' => MENU_DEFAULT_LOCAL_TASK,
    'file' => 'calypso.admin.inc',
    'file path' => $path,
  );

  return $items;
}

/**
 * Implements hook_menu_alter().
 */
function calypso_menu_alter(&$items) {
  // Remove RSS feed from head.
  $items['rss.xml']['page callback'] = 'drupal_not_found';
}

/**
 * Implements hook_html_head_alter().
 */
function calypso_html_head_alter(&$head_elements) {
  foreach (array_keys($head_elements) as $key) {
    // Remove RSS feed from head.
    if (strstr($key, 'rss.xml')) {
      unset($head_elements[$key]);
    }
  }
}

/**
 * Implements hook_permission().
 */
function calypso_permission() {
  return array(
    'administer calypso' => array(
      'title' => t('Administer Calypso'),
      'description' => t('Allows users to change the Calypso settings.'),
    ),
  );
}

/**
 * Implements hook_form_FORM_ID_alter().
 */
function calypso_form_episode_node_form_alter(&$form, &$form_state, $form_id) {
  // Hide the Title field. The value from the Date field is used as the title.
  $form['title']['#access'] = FALSE;
}

/**
 * Implements hook_node_presave().
 */
function calypso_node_presave($node) {
  if ($node->type == 'episode') {
    // Use Date field value as Title.
    $field_name = 'field_date';
    $items = field_get_items('node', $node, $field_name);

    if (empty($items)) {
      $title = 'Untitled';
    }
    else {
      $item = $items[0];
      $field = field_info_field($field_name);
      $timezone_db = date_get_timezone_db($field['settings']['tz_handling']);
      $timezone = date_get_timezone($field['settings']['tz_handling'], $item['timezone']);
      $date = new DateObject($item['value'], $timezone_db);
      date_timezone_set($date, timezone_open($timezone));
      $title = $date->format('Y-m-d');
    }

    $node->title = $title;
  }
}

/**
 * Implements hook_form_alter().
 */
function calypso_form_alter(&$form, &$form_state, $form_id) {
  // Set height of CKEditor instances.
  if (module_exists('ckeditor')) {
    $instances = array(
      array(
        'form_id' => 'comment_node_book_form',
        'field_name' => 'comment_body',
        'height' => 200,
      ),
      array(
        'form_id' => 'page_node_form',
        'field_name' => 'body',
        'height' => 500,
      ),
    );
    foreach ($instances as $instance) {
      if ($form_id == $instance['form_id']) {
        if (isset($form_state['field'][$instance['field_name']])) {
          $field_language = $form[$instance['field_name']]['#language'];
          $id = 'edit-' . $instance['field_name'] . '-' . $field_language . '-0-value';
          $id = str_replace('_', '-', $id);
          drupal_add_js(array('ckeditor' => array('instanceConfig' => array($id => array('height' => $instance['height'] . 'px')))), 'setting');
        }
        break;
      }
    }
  }
}

/**
 * Implements hook_image_default_styles().
 */
function calypso_image_default_styles() {
  $styles = array();

  // Scale
  $sizes = array(
    400,
    800,
    1000,
    1200,
    1600,
    2000,
    2400
  );

  foreach ($sizes as $size) {
    $styles['s_' . $size] = array(
      'label' => $size . ' (' . $size . ' width or height)',
      'effects' => array(
        array(
          'name' => 'image_scale',
          'data' => array('width' => $size, 'height' => $size, 'upscale' => 0),
          'weight' => 0,
        ),
      )
    );
  }

  $styles['og_facebook'] = array(
    'label' => 'Open Graph: Facebook (1200x630)',
    'effects' => array(
      array(
        'name' => 'image_scale_and_crop',
        'data' => array('width' => 1200, 'height' => 630),
        'weight' => 0,
      ),
    )
  );

  $styles['og_twitter'] = array(
    'label' => 'Open Graph: Twitter (480x250)',
    'effects' => array(
      array(
        'name' => 'image_scale_and_crop',
        'data' => array('width' => 480, 'height' => 250),
        'weight' => 0,
      ),
    )
  );

  return $styles;
}

/**
 *
 * @param int $visibility
 * @param string $pages
 * @param string $path Path to check. If empty, then current path is checked.
 * @return boolean
 */
function calypso_check_path_visibility($visibility, $pages, $path = NULL) {
  if (empty($pages)) {
    return FALSE;
  }

  if ($path === NULL) {
    $path = $_GET['q'];
  }

  $pages = drupal_strtolower($pages);
  $alias = drupal_strtolower(drupal_get_path_alias($path));
  $match = drupal_match_path($alias, $pages);

  if ($alias != $path) {
    $match = $match || drupal_match_path($path, $pages);
  }

  return !($visibility xor $match);
}