taxonomy_image.install in Taxonomy Image 6

taxonomy_image.install. Simple module for providing an association between taxonomy terms and images. Written by Jeremy Andrews <[e-mail]>, May 2004.

File

taxonomy_image.install

<?php

/**
 * @file
 *  taxonomy_image.install.
 *  Simple module for providing an association between taxonomy terms and images.
 *  Written by Jeremy Andrews <[e-mail]>, May 2004.
 */

/**
 * Implementation of hook_requirements().
 */
function taxonomy_image_requirements($phase) {
  $requirements = array();

  // Ensure translations don't break at install time
  $t = get_t();

  // Check for GD support.
  if (extension_loaded('gd')) {
    $gd = gd_info();
    $gd_vers = $gd['GD Version'];
    unset($gd['GD Version']);
    if ($gd['FreeType Support']) {
      $gd['FreeType Support' . ' ' . $gd['FreeType Linkage']] = 1;
      unset($gd['FreeType Support'], $gd['FreeType Linkage']);
    }
    $requirements['gd'] = array(
      // D6 already has a GD check, just add the description.
      'description' => '<small>' . implode(', ', array_keys(array_filter($gd))) . '</small>',
    );
  }
  else {
    $requirements['ti'] = array(
      'title' => $t('Image functions (GD)'),
      'value' => $t('Disabled'),
      'description' => $t('The Taxonomy Image module requires that you configure PHP with GD support.'),
      'severity' => REQUIREMENT_ERROR,
    );
  }
  return $requirements;
}

/**
 * Implementation of hook_schema().
 */
function taxonomy_image_schema() {
  $schema['term_image'] = array(
    'module' => 'Taxonomy Image',
    'description' => t('Mapping of term to image.'),
    'fields' => array(
      'tid' => array(
        'description' => t('Term identifier.'),
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'disp-width' => '10',
      ),
      'path' => array(
        'description' => t('File system path to the image.'),
        'type' => 'varchar',
        'length' => '255',
        'not null' => TRUE,
      ),
    ),
    'primary key' => array(
      'tid',
    ),
  );
  $schema['cache_tax_image'] = array(
    'module' => 'Taxonomy Image',
    'description' => t('Cache table for Taxonomy Image.'),
    'fields' => array(
      'cid' => array(
        'description' => t('Primary Key: Unique cache ID.'),
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
      ),
      'data' => array(
        'description' => t('A collection of data to cache.'),
        'type' => 'blob',
        'not null' => FALSE,
        'size' => 'big',
      ),
      'expire' => array(
        'description' => t('A Unix timestamp indicating when the cache entry should expire, or 0 for never.'),
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
      ),
      'created' => array(
        'description' => t('A Unix timestamp indicating when the cache entry was created.'),
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
      ),
      'headers' => array(
        'description' => t('Any custom HTTP headers to be added to cached data.'),
        'type' => 'text',
        'not null' => FALSE,
      ),
      'serialized' => array(
        'description' => t('A flag to indicate whether content is serialized (1) or not (0).'),
        'type' => 'int',
        'size' => 'small',
        'not null' => TRUE,
        'default' => 0,
      ),
    ),
    'indexes' => array(
      'expire' => array(
        'expire',
      ),
    ),
    'primary key' => array(
      'cid',
    ),
  );
  return $schema;
}

/**
 * Implementation of hook_update_N().
 * Add a cache table.
 */
function taxonomy_image_update_6100() {
  $ret = array();

  // Upgrading from 5.x?
  if (db_table_exists('cache_tax_image')) {
    if (!db_column_exists('cache_tax_image', 'serialized')) {
      db_add_column($ret, 'cache_tax_image', 'serialized', 'smallint', array(
        'not null' => TRUE,
        'default' => 0,
      ));
    }
  }
  else {
    $schema['cache_tax_image'] = array(
      'module' => 'Taxonomy Image',
      'fields' => array(
        'cid' => array(
          'description' => t('Primary Key: Unique cache ID.'),
          'type' => 'varchar',
          'length' => 255,
          'not null' => TRUE,
          'default' => '',
        ),
        'data' => array(
          'description' => t('A collection of data to cache.'),
          'type' => 'blob',
          'not null' => FALSE,
          'size' => 'big',
        ),
        'expire' => array(
          'description' => t('A Unix timestamp indicating when the cache entry should expire, or 0 for never.'),
          'type' => 'int',
          'not null' => TRUE,
          'default' => 0,
        ),
        'created' => array(
          'description' => t('A Unix timestamp indicating when the cache entry was created.'),
          'type' => 'int',
          'not null' => TRUE,
          'default' => 0,
        ),
        'headers' => array(
          'description' => t('Any custom HTTP headers to be added to cached data.'),
          'type' => 'text',
          'not null' => FALSE,
        ),
        'serialized' => array(
          'description' => t('A flag to indicate whether content is serialized (1) or not (0).'),
          'type' => 'int',
          'size' => 'small',
          'not null' => TRUE,
          'default' => 0,
        ),
      ),
      'indexes' => array(
        'expire' => array(
          'expire',
        ),
      ),
      'primary key' => array(
        'cid',
      ),
    );
    db_create_table($ret, 'cache_tax_image', $schema['cache_tax_image']);
  }
  return $ret;
}

/**
 * Implementation of hook_update_N().
 * Make file path relative to TI image path.
 */
function taxonomy_image_update_6101() {
  $ret = array();
  $mypath = file_directory_path() . '/' . variable_get('taxonomy_image_path', 'category_pictures') . '/';
  $path_len = drupal_strlen($mypath);
  $sub_len = $path_len + 1;
  $update = "UPDATE {term_image} SET path = SUBSTR(path, " . $sub_len . ")" . " WHERE SUBSTR(path, 1, " . $path_len . ") = '{$mypath}'";
  $ret[] = update_sql($update);

  // Delete the cached version.
  cache_clear_all("taxonomy_image:{$tid}", 'cache_tax_image');
  drupal_set_message(t('Taxonomy Image cache has been cleared.'));
  return $ret;
}

/**
 * Implementation of hook_install().
 */
function taxonomy_image_install() {
  $result = drupal_install_schema('taxonomy_image');
  if (count($result) > 0) {
    drupal_set_message(t('The Taxonomy Image module was installed. You may want to go to the <a href="!settings">settings page now</a>.', array(
      '!settings' => url('admin/settings/taxonomy_image'),
    )));
  }
  else {
    drupal_set_message(t('Taxonomy Image table creation failed. Please "uninstall" the module and retry.'));
  }
}

/**
 * Implementation of hook_uninstall().
 */
function taxonomy_image_uninstall() {
  drupal_uninstall_schema('taxonomy_image');
  db_query("DELETE FROM {blocks} WHERE module='taxonomy_image'");
  variable_del('taxonomy_image_height');
  variable_del('taxonomy_image_path');
  variable_del('taxonomy_image_recursive');
  variable_del('taxonomy_image_resize');
  variable_del('taxonomy_image_width');
  variable_del('taxonomy_image_imagecache_preset');
  variable_del('taxonomy_image_link_types');
  variable_del('taxonomy_image_link_title');
  variable_del('taxonomy_image_wrapper');
  variable_del('taxonomy_image_disable');
  variable_del('taxonomy_image_admin_preset');
  variable_del('taxonomy_image_block_imagecache_preset');
  variable_del('taxonomy_image_block_max_images');
  variable_del('taxonomy_image_block_max_size');
  variable_del('taxonomy_image_block_suppress');
  variable_del('taxonomy_image_block_title');
  variable_del('taxonomy_image_default');
  variable_del('taxonomy_image_node_preset');
  variable_del('taxonomy_image_node_show_name');
  variable_del('taxonomy_image_node_view');
  variable_del('taxonomy_image_node_view_link');
  variable_del('taxonomy_image_node_view_page');
  variable_del('taxonomy_image_node_view_teaser');
  variable_del('taxonomy_image_node_view_weight');
}

Functions

Name	Description
taxonomy_image_install	Implementation of hook_install().
taxonomy_image_requirements	Implementation of hook_requirements().
taxonomy_image_schema	Implementation of hook_schema().
taxonomy_image_uninstall	Implementation of hook_uninstall().
taxonomy_image_update_6100	Implementation of hook_update_N(). Add a cache table.
taxonomy_image_update_6101	Implementation of hook_update_N(). Make file path relative to TI image path.