source: sipes/modules_contrib/data_export_import/data_export_import.module @ ef72343

<?php
/**
 * @file
 * This module can export and import datasets.
 *
 * It will have several clearly defined sections and will be
 * extended by  plugins or include files.
 *
 * The sections are:
 * Help
 * Permissions
 * hook_menu
 * calbacks
 * forms
 * submit
 * validation
 */

// Here we will loop through the profile files and include them so
// their functions are available.
$directory = drupal_get_path('module', 'data_export_import') . '/includes/profiles';
$mask = '.\.inc$';
$files = file_scan_directory($directory, $mask);

foreach ($files as $file) {

  module_load_include('inc', 'data_export_import', 'includes/profiles/' . $file->name);
}

/**
 * Implements hook_help().
 */
function data_export_import_help($path, $arg) {

  $output = '';

  switch ($path) {
    case "admin/help#data_export_import":
      $output = '<p>' . t("Exports datasets as files which can then imported into other Drupal instances.") . '</p>';
      break;
  }
  return $output;
}

/**
 * Implements hook_perm().
 */
function data_export_import_perm() {
  return array('access data export import');
}

/**
 * Implements hook_menu().
 */
function data_export_import_menu() {

  $items = array();

  $items['admin/content/data_export_import'] = array(
    'title' => 'Data export import',
    'page callback' => 'data_export_import_callback_overview',
    'access arguments' => array('access data export import'),
    'description' => 'Data export import',
    'type' => MENU_NORMAL_ITEM,
  );

  // This 'tab' inherits from MENU_NORMAL_ITEM
  $items['admin/content/data_export_import/overview'] = array(
    'title' => 'Overview',
    'weight' => 0,
    'description' => 'Data export import introduction',
    'type' => MENU_DEFAULT_LOCAL_TASK,
  );

  // Here we will loop through the profile files and call funtions
  // which will add the items to the menu.
  $directory = drupal_get_path('module', 'data_export_import') . '/includes/profiles';
  $mask = '.\.inc$';
  $files = file_scan_directory($directory, $mask);

  foreach ($files as $file) {

    module_load_include('inc', 'data_export_import', 'includes/profiles/' . $file->name);

    $function_to_run = "data_export_import_" . $file->name . "_add_items_to_menu";
    $function_to_run($items);
  }

  return $items;
}

/**
 * Callback function for the overview tab.
 *
 * @return string
 *   Initial overview text and basic instructions.
 */
function data_export_import_callback_overview() {

  // This is a simple display of some instructions.  The main point of
  // having this standard initial tab is to have a default tab - the
  // tabs provided by the profiles are then added as extra tabs.
  return t("Please click on one of the profile tabs to export or import data.");
}