barcode.install in Barcode 7.2

Install file for barcode module.

File

barcode.install

<?php

/**
 * @file
 *   Install file for barcode module.
 */

/**
 * Implements hook_uninstall().
 */
function barcode_uninstall() {

  // Delete variables.
  variable_del('barcode_default_path');
  variable_del('barcode_encoding');
  variable_del('barcode_font');
}

/**
 * Implements hook_field_schema().
 */
function barcode_field_schema($field) {
  if (isset($field['settings']['dbsize'])) {
    $columns = array(
      'value' => array(
        'type' => 'varchar',
        'length' => $field['settings']['dbsize'],
        'not null' => FALSE,
      ),
    );
  }
  else {
    $columns = array(
      'value' => array(
        'type' => 'varchar',
        'length' => 255,
        'not null' => FALSE,
      ),
    );
  }
  return array(
    'columns' => $columns,
  );
}

/**
 * Implements hook_install().
 */
function barcode_install() {

  // Create the default barcode directory and ensure it's writable.
  $path = file_build_uri('barcodes');
  if (file_prepare_directory($path, FILE_CREATE_DIRECTORY | FILE_MODIFY_PERMISSIONS)) {
    variable_set('barcode_default_path', $path);
  }
}

/**
 * Implements hook_requirements().
 */
function barcode_requirements($phase) {
  $requirements = array();
  if ($phase != 'runtime') {
    return $requirements;
  }

  // Create the styles directory and ensure it's writable.
  $settings = barcode_get_settings();
  $created = file_prepare_directory($settings['default_path'], FILE_CREATE_DIRECTORY | FILE_MODIFY_PERMISSIONS);
  if (!$created) {
    $requirements['barcode_dirs'] = array(
      'value' => t('Missing directory'),
      'severity' => REQUIREMENT_ERROR,
      'description' => t("The barcode module's default directory %barcode-dir can not be created.", array(
        '%barcode-dir' => $settings['default_path'],
      )),
    );
  }
  else {
    $requirements['barcode_dirs'] = array(
      'value' => t('Barcode directory exists (%path).', array(
        '%path' => $settings['default_path'],
      )),
      'severity' => REQUIREMENT_OK,
    );
  }
  $requirements['barcode_dirs']['title'] = t('Barcode module directories');

  // Image library check.
  if (!function_exists("imagecreate")) {
    $requirements['barcode_image_library'] = array(
      'value' => t('Missing image library'),
      'severity' => REQUIREMENT_ERROR,
      'description' => t('The barcode module needs GD library support.'),
    );
  }
  else {
    $requirements['barcode_image_library'] = array(
      'value' => t('Image library exists.'),
      'severity' => REQUIREMENT_OK,
    );
  }
  $requirements['barcode_image_library']['title'] = t('Barcode image library');

  // FreeType Support check.
  if (!function_exists("imagettftext")) {
    $requirements['barcode_freetype_gd'] = array(
      'value' => t('Missing FreeType extension for GD'),
      'severity' => REQUIREMENT_ERROR,
      'description' => t('The barcode module needs FreeType extension of GD library to be enabled.'),
    );
  }
  else {
    $requirements['barcode_freetype_gd'] = array(
      'value' => t('FreeType extnesion of GD library exists.'),
      'severity' => REQUIREMENT_OK,
    );
  }
  $requirements['barcode_freetype_gd']['title'] = t('FreeType extension');
  return $requirements;
}

Functions

Name	Description
barcode_field_schema	Implements hook_field_schema().
barcode_install	Implements hook_install().
barcode_requirements	Implements hook_requirements().
barcode_uninstall	Implements hook_uninstall().