module_info.module in Util 7

Display information about module use.

File

contribs/module_info/module_info.module

<?php

/**
 * @file
 * Display information about module use.
 */

/**
 * Implements hook_menu().
 */
function module_info_menu() {
  $items = array();
  $items['admin/config/system/util/module_info'] = array(
    'title' => 'Module Info',
    'access arguments' => array(
      'administer site configuration',
    ),
    'page callback' => 'drupal_get_form',
    'page arguments' => array(
      'module_info_form',
    ),
    'type' => MENU_LOCAL_TASK,
  );
  return $items;
}

/**
 * Form for module usage.
 */
function module_info_form($form, $form_state) {
  $form = array();
  $form['module_info_hook_name'] = array(
    '#type' => 'textfield',
    '#title' => t('Hook Name'),
    '#description' => t('Fill in the name of a hook (sans "hook") to find out who implements it.'),
    '#default_value' => isset($form_state['values']['module_info_hook_name']) ? $form_state['values']['module_info_hook_name'] : '',
  );
  if (isset($form_state['module_info_hook_list'])) {
    $form['list'] = array(
      '#type' => 'markup',
      '#markup' => $form_state['values']['module_info_hook_list'],
    );
  }
  $form['submit'] = array(
    '#type' => 'submit',
    '#value' => t('Get information'),
  );
  return $form;
}

/**
 * Settings form submission handler.
 */
function module_info_form_submit($form, $form_state) {
  $hook = $form_state['values']['module_info_hook_name'];
  $items = module_implements($hook);
  if (!$items) {
    $items[] = t('None');
  }
  $list = theme('item_list', array(
    'items' => $items,
    'title' => t('Modules implementing hook_@hook', array(
      '@hook' => $hook,
    )),
  ));
  $form_state['values']['module_info_hook_list'] = $list;
  drupal_set_message($list);
  $form_state['rebuild'] = TRUE;
}

Functions

Name	Description
module_info_form	Form for module usage.
module_info_form_submit	Settings form submission handler.
module_info_menu	Implements hook_menu().