block_create_node.module

<?php
// $Id$

/**
 * @file
 * Provides block with node creation forms.
 */

/**
 * Implementation of hook_block_info().
 */
function block_create_node_block_info() {
  include_once(drupal_get_path('module', 'node') . '/node.pages.inc');

  $types = _node_types_build()->types;
  foreach ($types as $type) {
    $blocks[$type->type] = array(
      'info' => t('Create @type', array('@type' => $type->name)),
      'cache' => DRUPAL_CACHE_PER_ROLE,
    );
  }

  return $blocks;
}

/**
 * Implementation of hook_block_view().
 */
function block_create_node_block_view($delta) {
  include_once(drupal_get_path('module', 'node') . '/node.pages.inc');

  global $user;
  $types = _node_types_build()->types;
  $type = isset($delta) ? str_replace('-', '_', $delta) : NULL;

  // If a node type has been specified, validate its existence.
  if (isset($types[$type]) && node_access('create', $type)) {

    $block['subject'] = t($type);

    $node = array(
      'uid' => $user->uid,
      'name' => (isset($user->name) ? $user->name : ''),
      'type' => $type,
      'language' => '',
    );
    $node = (object) $node;

    $block['content'] = drupal_get_form($type . '_node_form', $node);
  }

  return $block;
}