paging.install in Paging 7

Install hooks for the Paging module.

File

paging.install

<?php

/**
 * @file
 * Install hooks for the Paging module.
 */

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

  // Delete all type-specific variables.
  foreach (node_type_get_names() as $machine => $human) {
    variable_del('paging_field_' . $machine);
    variable_del('paging_automatic_method_' . $machine);
    variable_del('paging_automatic_chars_' . $machine);
    variable_del('paging_automatic_words_' . $machine);
    variable_del('paging_automatic_words_orphan_' . $machine);
    variable_del('paging_automatic_chars_orphan_' . $machine);
  }

  // Delete global paging variables.
  variable_del('paging_separator');
  variable_del('paging_read_more_enabled');
  variable_del('paging_names_enabled');
  variable_del('paging_name_title');
  variable_del('paging_read_more_enabled');
  variable_del('paging_pager_count');
}

/**
 * Update: remove legacy Drupal 6 variables, add new D7 variables.
 */
function paging_update_7000(&$sandbox) {

  // List of paging variables that moved from type-specfic to general.
  $general_vars = array(
    'paging_read_more_enabled' => FALSE,
    'paging_names_enabled' => FALSE,
    'paging_name_title' => FALSE,
    'paging_read_more_enabled' => TRUE,
    'paging_separator' => '<!--pagebreak-->',
  );

  // New paging variables - per type.
  $type_vars = array(
    'paging_field' => 'body',
    'paging_automatic_words_orphan' => '100',
    'paging_automatic_chars_orphan' => '400',
  );
  foreach (node_type_get_names() as $machine => $human) {

    // Remove legacy variables, unused in D7.
    variable_del('paging_ajax_enabled_' . $machine);
    variable_del('paging_pager_widget_' . $machine);
    variable_del('paging_pager_widget_custom_' . $machine);
    variable_del('paging_pager_widget_position_' . $machine);
    variable_del('paging_separator_widget_' . $machine);

    // Move specific content-type settings to global.
    // If ANY of the previous settings were set, save them to the new.
    foreach ($general_vars as $name => $default) {
      $value = variable_get($name . '_' . $machine, $default);

      // Yes, this will overwrite if there was more than one :/
      variable_set($name, $value);
    }

    // Set new type-specific variables.
    foreach ($type_vars as $name => $default) {
      variable_set($name . '_' . $machine, $default);
    }
  }
  return t('Legacy variables have been removed, new variables added.');
}

/**
 * Update: Delete Legacy paging filter for text formats.
 */
function paging_update_7001() {

  // Delete the text format for paging.
  db_query("DELETE FROM {filter} WHERE module = 'paging'");
  return t('Legacy paging filter for text formats has been deleted.');
}

/**
 * Implements hook_update_last_removed().
 */
function paging_update_last_removed() {
  return 6000;
}

Functions

Name	Description
paging_uninstall	Implements hook_uninstall().
paging_update_7000	Update: remove legacy Drupal 6 variables, add new D7 variables.
paging_update_7001	Update: Delete Legacy paging filter for text formats.
paging_update_last_removed	Implements hook_update_last_removed().