modules/nodeasblock/nodeasblock.module

<?php
// $Id: nodeasblock.module,v 1.14 2009/08/13 22:52:33 herc Exp $

/**
 * @file
 * Allows those with the appropriate permissions the right to create blocks 
 * for each node using nodeapi.
 */

/**
 * @name Node as block visibility settings
 * @{
 */

/**
 * Indicates that node as block feature is disabled for the specific content type.
 */
define('NODEASBLOCK_DISABLED', 0);

/**
 * Indicates that the node author decide whether to create a block 
 * for the node.
 */
define('NODEASBLOCK_PER_NODE', 1);

/**
 * Indicates that a node block is created always for the specific content type.
 */
define('NODEASBLOCK_ALWAYS', 2);

/**
 * @} End of "Node as block visibility settings".
 */

/**
 * @name Node as block build modes.
 * @{
 */

define('NODEASBLOCK_BUILD_TEASER', 'nodeasblock teaser');
define('NODEASBLOCK_BUILD_FULL', 'nodeasblock full');

/**
 * @} End of "Node as block build modes".
 */

/**
 * Implementation of hook_perm().
 */
function nodeasblock_perm() {
  return array('create blocks for nodes', 'administer blocks for nodes');
}

/**
 * Implementation of hook_theme().
 */
function nodeasblock_theme() {
  return array(
    'nodeasblock' => array(
      'arguments' => array('node' => NULL),
    ),
  );
}

/**
 * Implementation of hook_form_alter_node_type_form().
 */
function nodeasblock_form_node_type_form_alter($form, $form_state) {
  if (isset($form['identity']['type'])) {
      
    drupal_theme_initialize();
    $theme = variable_get('theme_default', 'garland');
    
    $node_type = $form['#node_type']->type; 
    
    $form['nodeasblockset'] = array(
      '#type' => 'fieldset',
      '#title' => t('Node as block settings'),
      '#collapsible' => TRUE,
      '#collapsed' => TRUE,
    );
    $form['nodeasblockset']['nodeasblock'] = array(
      '#type' => 'radios',
      '#title' => t('Create blocks from this content type'),
      '#default_value' => variable_get('nodeasblock_'. $node_type, 1),
      '#options' => array(
        NODEASBLOCK_DISABLED => t('Never (Disabled)'), 
        NODEASBLOCK_PER_NODE => t('On a per node basis'), 
        NODEASBLOCK_ALWAYS => t('Always')
      ),
      '#return_value' => 1,
      '#description' => t('Allow users to make these nodes visible as sidebar blocks.'),
    );
    
    // Regions to select from default theme.
    $regions = system_region_list($theme);
    $form['nodeasblockset']['nodeasblock_region'] = array(
      '#type' => 'select',
      '#multiple' => TRUE,
      '#title' => t('Select allowed regions for these blocks'),
      '#options' => $regions,
      '#default_value' => variable_get('nodeasblock_region_'. $node_type, array()),
      '#description' => t('These are only the regions defined for the default theme'),
    );
    $form['nodeasblockset']['nodeasblock_default_region'] = array(
      '#type' => 'select',
      '#title' => t('Default region'),
      '#options' => $regions,
      '#default_value' => variable_get('nodeasblock_default_region_'. $node_type, system_default_region($theme)),
    );
    $form['nodeasblockset']['nodeasblock_default_weight'] = array(
      '#type' => 'weight',
      '#title' => t('Default weight'),
      '#options' => $regions,
      '#default_value' => variable_get('nodeasblock_default_weight_'. $node_type, 0),
    );   
  }
}

/**
 * Implementation of hook_form_alter().
 */
function nodeasblock_form_alter($form, $form_state, $form_id) {
  if (isset($form['type']) && $form['type']['#value'] .'_node_form' == $form_id &&
    variable_get('nodeasblock_'. $form['type']['#value'], TRUE) &&
    user_access('create blocks for nodes')) {
    _nodeasblock_node_form($form);
  }
}

/**
 * Helper function to provide the node form additions.
 */
function _nodeasblock_node_form(&$form) {
  drupal_theme_initialize();
  $theme = variable_get('theme_default', 'garland');
  
  $node = $form['#node'];
  
  if (isset($node->nid)) {
    $block = db_select('block', 'b')
      ->fields('b')
      ->condition('module', 'nodeasblock')
      ->condition('theme', $theme)
      ->condition('delta', $node->nid)
      ->execute()
      ->fetchAssoc();
  }
  else {
    $block = array(
      'status' => 1, 
      'roles' => array(),
      'region' => variable_get('nodeasblock_default_region_'. $node->type, system_default_region($theme)),
      'weight' => variable_get('nodeasblock_default_weight_'. $node->type, 0),
      'custom' => 0, 'visibility' => 0, 
      'pages' => ''
    );
    $node->nid = 0;
  }
  
  if (!isset($node->nodeasblock)) {
    $node->nodeasblock = 0;
  }
  
  $form['nodeasblockset'] = array(
    '#type' => 'fieldset',
    '#title' => t('Provide a block'),
    '#collapsible' => TRUE,
    '#collapsed' => TRUE,
    '#tree' => TRUE
  );
  $form['nodeasblockset']['status'] = array('#type' => 'value', '#value' => $block['status']);

  // If variable not set we'll assume 1 = on a per node basis.
  $form['nodeasblockset']['nodeasblock'] = array(
    '#type' => 'checkbox',
    '#title' => t('Create a block for this node?'),
    '#default_value' => $node->nodeasblock,
    '#description' => t('Check this box to create a block for this node. The block will contain the teaser.'),
  );

  // Slight change to the UI if the block is required.
  if (variable_get("nodeasblock_$node->type", NODEASBLOCK_PER_NODE) == NODEASBLOCK_ALWAYS) {
    $form['nodeasblockset']['nodeasblock']['#default_value'] = TRUE;
    $form['nodeasblockset']['nodeasblock']['#disabled'] = 'disabled';
    $form['nodeasblockset']['#collapsed'] = FALSE;
  }

  // Advanced settings.
  if (user_access('administer blocks') || user_access('administer blocks for nodes')) {
    // Fetch available list of regions.
    $theme_regions = system_region_list($theme);
    $allowed_regions = array(BLOCK_REGION_NONE => '<'. t('none') .'>');
    foreach (variable_get("nodeasblock_region_". $node->type, array()) as $region) {
      if (array_key_exists($region, $theme_regions)) {
        $allowed_regions[$region] = $theme_regions[$region];
      }
    }
    $form['nodeasblockset']['region'] = array(
      '#type' => 'select',
      '#options' => $allowed_regions,
      '#title' => t('Region'),
      '#default_value' => $block['region'],
      '#description' => t('The region of the page this block should appear in.'),
    );
    $form['nodeasblockset']['weight'] = array(
      '#type' => 'weight',
      '#title' => t('Weight'),
      '#default_value' => $block['weight'],
      '#description' => t('The weight of this block. Larger numbers move a block farther down in a region.')
    );
    
    // Save title and reset after.
    module_load_include('inc', 'block', 'block.admin');
    $title = drupal_get_title();
    $form_state = array('storage' => NULL, 'submitted' => FALSE);
    $block_form = block_admin_configure($form_state, 'nodeasblock', $node->nid);
    drupal_set_title($title);

    foreach (array('block_settings', 'page_vis_settings') as $category) {
      $form['nodeasblockset'][$category] = $block_form[$category];
      $form['nodeasblockset'][$category]['#collapsed'] = TRUE;
      $form['nodeasblockset'][$category]['#parents'] = array('nodeasblockset');
    }

    // Really advanced settings, only for real block administrators.
    if (user_access('administer blocks')) {
      foreach (array('user_vis_settings', 'role_vis_settings') as $category) {
        $form['nodeasblockset'][$category] = $block_form[$category];
        $form['nodeasblockset'][$category]['#collapsed'] = TRUE;
        $form['nodeasblockset'][$category]['#parents'] = array('nodeasblockset');
      }
    }
    else {
      $form['nodeasblock']['custom'] = array('#type' => 'value', '#value' => $block['custom']);
    }
  }
  else {
    // Just pass values.
    foreach (array('region', 'weight', 'title', 'custom', 'roles', 'visibility', 'pages') as $field) {
      $form['nodeasblockset'][$field] = array('#type' => 'value', '#value' => $block[$field]);
    }
  }
}

/**
 * Implement hook_node_load().
 */
function nodeasblock_node_load($nodes) {
  $result = db_select('nodeasblock', 'nab')
    ->fields('nab', array('nid'))
    ->condition('nid', array_keys($nodes), 'IN')
    ->execute();
  foreach ($result as $record) {
    $nodes[$record->nid]->nodeasblock = TRUE;
  }
}

/**
 * Implement hook_node_insert().
 */
function nodeasblock_node_insert($node) {
  _nodeasblock_node_save($node);
}

/**
 * Implement hook_node_update().
 */
function nodeasblock_node_update($node) {
  _nodeasblock_node_save($node);
}

/**
 * Helper function to respond to node updates and inserts.
 *
 * @param $node
 *   The node object.
 */
function _nodeasblock_node_save($node) {
  // Only modify/create block if the current user has access.
  if (user_access('create blocks for nodes')) {      
    // First delete the entry from the table if it exists.
    db_delete('nodeasblock')
      ->condition('nid', $node->nid)
      ->execute();
    if ($node->nodeasblockset['nodeasblock'] || variable_get("nodeasblock_$node->type", NODEASBLOCK_DISABLED) == NODEASBLOCK_ALWAYS) {
      db_insert('nodeasblock')
        ->fields(array('nid' => $node->nid))
        ->execute();
      drupal_set_message(t('The block configuration has been saved.'));
      nodeasblock_save_block($node);
    }
  }
}

/**
 * Implement hook_node_delete().
 */
function nodeasblock_node_delete($node) {
  db_delete('nodeasblock')
    ->condition('nid', $node->nid)
    ->execute();
  // Calling _block_rehash() will delete the block entry from 
  // the {blocks} table and other related tables.
  _block_rehash();
}

/**
 * Save the block data associated to a node. 
 *
 * @param $node
 *   The node object. 
 */

function nodeasblock_save_block($node) {
  // Fetch block data.
  $block = $node->nodeasblockset;
  // This will actually creates the block.
  _block_rehash();
  // Update block data.
  db_update('block')
    ->fields(array(
      'status' => $block['status'],
      'region' => $block['region'],
      'weight' => $block['weight'],
      'visibility' => $block['visibility'],
      'custom' => $block['custom'],
      'title' => $block['title']
    )) 
    ->condition('module', 'nodeasblock')
    ->condition('delta', $node->nid)
    ->execute();

  if (is_array($block['roles'])) {
    db_delete('block_role')
      ->condition('module', 'nodeasblock')
      ->condition('delta', $node->nid);
    $query = db_insert('block_role')->fields(array('rid', 'module', 'delta'));  
    foreach (array_filter($block['roles']) as $rid) {
      $query->values(array($rid, 'nodeasblock', $node->nid));
    }
    $query->execute();
  }
  cache_clear_all();
}

/**
 * Implementation of hook_block().
 */
function nodeasblock_block($op = 'list', $delta = 0) {
  if ($op == 'list') {
    // Get the list of nodeblock nodes from database.
    $nids = db_query('SELECT nid FROM {nodeasblock}')->fetchCol();
    $nodes = node_load_multiple($nids);
    $blocks = array();
    foreach ($nodes as $$node) {
      $blocks[$node->nid]['info'] = check_plain($node->title); 
    }
    return $blocks;
  }
  elseif ($op == 'view') {
    // Don't show on own node page
    if (arg(0) == 'node' && arg(1) == $delta) {
      return;
    }
    // Load the node if it's published. 
    if ($node = node_load(array('nid' => $delta, 'status' => 1))) {
      // Don't show nodes in other languages than current. Integration with i18n node languages.
      global $language;
      if (empty($node->language) || $node->language == $language->language) {
        return array(
          'subject' => l($node->title, 'node/'. $node->nid),
          'content' => nodeasblock_block_content($node),
        );
      }
    }
  }
}

/**
 * Implement hook_page_alter().
 *
 * Render blocks into their regions.
 */
function nodeasblock_page_alter($page) {
  global $theme;

  // The theme system might not yet be initialized. We need $theme.
  drupal_theme_initialize();
  
  // Get the list of nodeblock nodes from database.
  $nids = db_query('SELECT nid FROM {nodeasblock}')->fetchCol();
  $nodes = node_load_multiple($nids);
  $build = node_build_multiple($nodes);  
  
  $page['sidebar_first']['nodeasblock'] = $build['nodes'];
 
}
/**
 * Theme the node as a block.
 *
 * @ingroup themeable
 */
function nodeasblock_block_content($node) {
  $node->build_mode = NODEASBLOCK_BUILD_TEASER;
  $node = node_build_content($node, TRUE, FALSE);
  $node->body = drupal_render($node->content);

  return theme('nodeasblock', $node);
}

/**
 * Implementation of hook_content_build_modes().
 */
function nodeasblock_content_build_modes() {
  return array(
    'block' => array(
      'title' => t('Block'),
      'build modes' => array(
        NODEASBLOCK_BUILD_TEASER => array(
          'title' => t('Teaser'),
        ),
        NODEASBLOCK_BUILD_FULL => array(
          'title' => t('Full node'),
        ),
      ),
    ),
  );
}

/**
 * Process variables for nodeasblock.tpl.php.
 *
 * The $variables array contains the following arguments:
 * - $node
 *
 * @see nodeasblock.tpl.php
 */
function template_preprocess_nodeasblock(&$variables) {
  $node = $variables['node'];
  // If the user has permissions to edit the node, then add a link.
  if (node_access('update', $node)) {
    $variables['edit_link'] =  l('['. t('edit') .']', 'node/'. $node->nid .'/edit', array("title" => t("Edit")));
  }
  $variables['content'] = $variables['node']->body;
}
1	<?php
2	// $Id: nodeasblock.module,v 1.14 2009/08/13 22:52:33 herc Exp $
3
4	/**
5	* @file
6	* Allows those with the appropriate permissions the right to create blocks
7	* for each node using nodeapi.
8	*/
9
10	/**
11	* @name Node as block visibility settings
12	* @{
13	*/
14
15	/**
16	* Indicates that node as block feature is disabled for the specific content type.
17	*/
18	define('NODEASBLOCK_DISABLED', 0);
19
20	/**
21	* Indicates that the node author decide whether to create a block
22	* for the node.
23	*/
24	define('NODEASBLOCK_PER_NODE', 1);
25
26	/**
27	* Indicates that a node block is created always for the specific content type.
28	*/
29	define('NODEASBLOCK_ALWAYS', 2);
30
31	/**
32	* @} End of "Node as block visibility settings".
33	*/
34
35	/**
36	* @name Node as block build modes.
37	* @{
38	*/
39
40	define('NODEASBLOCK_BUILD_TEASER', 'nodeasblock teaser');
41	define('NODEASBLOCK_BUILD_FULL', 'nodeasblock full');
42
43	/**
44	* @} End of "Node as block build modes".
45	*/
46
47	/**
48	* Implementation of hook_perm().
49	*/
50	function nodeasblock_perm() {
51	return array('create blocks for nodes', 'administer blocks for nodes');
52	}
53
54	/**
55	* Implementation of hook_theme().
56	*/
57	function nodeasblock_theme() {
58	return array(
59	'nodeasblock' => array(
60	'arguments' => array('node' => NULL),
61	),
62	);
63	}
64
65	/**
66	* Implementation of hook_form_alter_node_type_form().
67	*/
68	function nodeasblock_form_node_type_form_alter($form, $form_state) {
69	if (isset($form['identity']['type'])) {
70
71	drupal_theme_initialize();
72	$theme = variable_get('theme_default', 'garland');
73
74	$node_type = $form['#node_type']->type;
75
76	$form['nodeasblockset'] = array(
77	'#type' => 'fieldset',
78	'#title' => t('Node as block settings'),
79	'#collapsible' => TRUE,
80	'#collapsed' => TRUE,
81	);
82	$form['nodeasblockset']['nodeasblock'] = array(
83	'#type' => 'radios',
84	'#title' => t('Create blocks from this content type'),
85	'#default_value' => variable_get('nodeasblock_'. $node_type, 1),
86	'#options' => array(
87	NODEASBLOCK_DISABLED => t('Never (Disabled)'),
88	NODEASBLOCK_PER_NODE => t('On a per node basis'),
89	NODEASBLOCK_ALWAYS => t('Always')
90	),
91	'#return_value' => 1,
92	'#description' => t('Allow users to make these nodes visible as sidebar blocks.'),
93	);
94
95	// Regions to select from default theme.
96	$regions = system_region_list($theme);
97	$form['nodeasblockset']['nodeasblock_region'] = array(
98	'#type' => 'select',
99	'#multiple' => TRUE,
100	'#title' => t('Select allowed regions for these blocks'),
101	'#options' => $regions,
102	'#default_value' => variable_get('nodeasblock_region_'. $node_type, array()),
103	'#description' => t('These are only the regions defined for the default theme'),
104	);
105	$form['nodeasblockset']['nodeasblock_default_region'] = array(
106	'#type' => 'select',
107	'#title' => t('Default region'),
108	'#options' => $regions,
109	'#default_value' => variable_get('nodeasblock_default_region_'. $node_type, system_default_region($theme)),
110	);
111	$form['nodeasblockset']['nodeasblock_default_weight'] = array(
112	'#type' => 'weight',
113	'#title' => t('Default weight'),
114	'#options' => $regions,
115	'#default_value' => variable_get('nodeasblock_default_weight_'. $node_type, 0),
116	);
117	}
118	}
119
120	/**
121	* Implementation of hook_form_alter().
122	*/
123	function nodeasblock_form_alter($form, $form_state, $form_id) {
124	if (isset($form['type']) && $form['type']['#value'] .'_node_form' == $form_id &&
125	variable_get('nodeasblock_'. $form['type']['#value'], TRUE) &&
126	user_access('create blocks for nodes')) {
127	_nodeasblock_node_form($form);
128	}
129	}
130
131	/**
132	* Helper function to provide the node form additions.
133	*/
134	function _nodeasblock_node_form(&$form) {
135	drupal_theme_initialize();
136	$theme = variable_get('theme_default', 'garland');
137
138	$node = $form['#node'];
139
140	if (isset($node->nid)) {
141	$block = db_select('block', 'b')
142	->fields('b')
143	->condition('module', 'nodeasblock')
144	->condition('theme', $theme)
145	->condition('delta', $node->nid)
146	->execute()
147	->fetchAssoc();
148	}
149	else {
150	$block = array(
151	'status' => 1,
152	'roles' => array(),
153	'region' => variable_get('nodeasblock_default_region_'. $node->type, system_default_region($theme)),
154	'weight' => variable_get('nodeasblock_default_weight_'. $node->type, 0),
155	'custom' => 0, 'visibility' => 0,
156	'pages' => ''
157	);
158	$node->nid = 0;
159	}
160
161	if (!isset($node->nodeasblock)) {
162	$node->nodeasblock = 0;
163	}
164
165	$form['nodeasblockset'] = array(
166	'#type' => 'fieldset',
167	'#title' => t('Provide a block'),
168	'#collapsible' => TRUE,
169	'#collapsed' => TRUE,
170	'#tree' => TRUE
171	);
172	$form['nodeasblockset']['status'] = array('#type' => 'value', '#value' => $block['status']);
173
174	// If variable not set we'll assume 1 = on a per node basis.
175	$form['nodeasblockset']['nodeasblock'] = array(
176	'#type' => 'checkbox',
177	'#title' => t('Create a block for this node?'),
178	'#default_value' => $node->nodeasblock,
179	'#description' => t('Check this box to create a block for this node. The block will contain the teaser.'),
180	);
181
182	// Slight change to the UI if the block is required.
183	if (variable_get("nodeasblock_$node->type", NODEASBLOCK_PER_NODE) == NODEASBLOCK_ALWAYS) {
184	$form['nodeasblockset']['nodeasblock']['#default_value'] = TRUE;
185	$form['nodeasblockset']['nodeasblock']['#disabled'] = 'disabled';
186	$form['nodeasblockset']['#collapsed'] = FALSE;
187	}
188
189	// Advanced settings.
190	if (user_access('administer blocks') \|\| user_access('administer blocks for nodes')) {
191	// Fetch available list of regions.
192	$theme_regions = system_region_list($theme);
193	$allowed_regions = array(BLOCK_REGION_NONE => '<'. t('none') .'>');
194	foreach (variable_get("nodeasblock_region_". $node->type, array()) as $region) {
195	if (array_key_exists($region, $theme_regions)) {
196	$allowed_regions[$region] = $theme_regions[$region];
197	}
198	}
199	$form['nodeasblockset']['region'] = array(
200	'#type' => 'select',
201	'#options' => $allowed_regions,
202	'#title' => t('Region'),
203	'#default_value' => $block['region'],
204	'#description' => t('The region of the page this block should appear in.'),
205	);
206	$form['nodeasblockset']['weight'] = array(
207	'#type' => 'weight',
208	'#title' => t('Weight'),
209	'#default_value' => $block['weight'],
210	'#description' => t('The weight of this block. Larger numbers move a block farther down in a region.')
211	);
212
213	// Save title and reset after.
214	module_load_include('inc', 'block', 'block.admin');
215	$title = drupal_get_title();
216	$form_state = array('storage' => NULL, 'submitted' => FALSE);
217	$block_form = block_admin_configure($form_state, 'nodeasblock', $node->nid);
218	drupal_set_title($title);
219
220	foreach (array('block_settings', 'page_vis_settings') as $category) {
221	$form['nodeasblockset'][$category] = $block_form[$category];
222	$form['nodeasblockset'][$category]['#collapsed'] = TRUE;
223	$form['nodeasblockset'][$category]['#parents'] = array('nodeasblockset');
224	}
225
226	// Really advanced settings, only for real block administrators.
227	if (user_access('administer blocks')) {
228	foreach (array('user_vis_settings', 'role_vis_settings') as $category) {
229	$form['nodeasblockset'][$category] = $block_form[$category];
230	$form['nodeasblockset'][$category]['#collapsed'] = TRUE;
231	$form['nodeasblockset'][$category]['#parents'] = array('nodeasblockset');
232	}
233	}
234	else {
235	$form['nodeasblock']['custom'] = array('#type' => 'value', '#value' => $block['custom']);
236	}
237	}
238	else {
239	// Just pass values.
240	foreach (array('region', 'weight', 'title', 'custom', 'roles', 'visibility', 'pages') as $field) {
241	$form['nodeasblockset'][$field] = array('#type' => 'value', '#value' => $block[$field]);
242	}
243	}
244	}
245
246	/**
247	* Implement hook_node_load().
248	*/
249	function nodeasblock_node_load($nodes) {
250	$result = db_select('nodeasblock', 'nab')
251	->fields('nab', array('nid'))
252	->condition('nid', array_keys($nodes), 'IN')
253	->execute();
254	foreach ($result as $record) {
255	$nodes[$record->nid]->nodeasblock = TRUE;
256	}
257	}
258
259	/**
260	* Implement hook_node_insert().
261	*/
262	function nodeasblock_node_insert($node) {
263	_nodeasblock_node_save($node);
264	}
265
266	/**
267	* Implement hook_node_update().
268	*/
269	function nodeasblock_node_update($node) {
270	_nodeasblock_node_save($node);
271	}
272
273	/**
274	* Helper function to respond to node updates and inserts.
275	*
276	* @param $node
277	* The node object.
278	*/
279	function _nodeasblock_node_save($node) {
280	// Only modify/create block if the current user has access.
281	if (user_access('create blocks for nodes')) {
282	// First delete the entry from the table if it exists.
283	db_delete('nodeasblock')
284	->condition('nid', $node->nid)
285	->execute();
286	if ($node->nodeasblockset['nodeasblock'] \|\| variable_get("nodeasblock_$node->type", NODEASBLOCK_DISABLED) == NODEASBLOCK_ALWAYS) {
287	db_insert('nodeasblock')
288	->fields(array('nid' => $node->nid))
289	->execute();
290	drupal_set_message(t('The block configuration has been saved.'));
291	nodeasblock_save_block($node);
292	}
293	}
294	}
295
296	/**
297	* Implement hook_node_delete().
298	*/
299	function nodeasblock_node_delete($node) {
300	db_delete('nodeasblock')
301	->condition('nid', $node->nid)
302	->execute();
303	// Calling _block_rehash() will delete the block entry from
304	// the {blocks} table and other related tables.
305	_block_rehash();
306	}
307
308	/**
309	* Save the block data associated to a node.
310	*
311	* @param $node
312	* The node object.
313	*/
314
315	function nodeasblock_save_block($node) {
316	// Fetch block data.
317	$block = $node->nodeasblockset;
318	// This will actually creates the block.
319	_block_rehash();
320	// Update block data.
321	db_update('block')
322	->fields(array(
323	'status' => $block['status'],
324	'region' => $block['region'],
325	'weight' => $block['weight'],
326	'visibility' => $block['visibility'],
327	'custom' => $block['custom'],
328	'title' => $block['title']
329	))
330	->condition('module', 'nodeasblock')
331	->condition('delta', $node->nid)
332	->execute();
333
334	if (is_array($block['roles'])) {
335	db_delete('block_role')
336	->condition('module', 'nodeasblock')
337	->condition('delta', $node->nid);
338	$query = db_insert('block_role')->fields(array('rid', 'module', 'delta'));
339	foreach (array_filter($block['roles']) as $rid) {
340	$query->values(array($rid, 'nodeasblock', $node->nid));
341	}
342	$query->execute();
343	}
344	cache_clear_all();
345	}
346
347	/**
348	* Implementation of hook_block().
349	*/
350	function nodeasblock_block($op = 'list', $delta = 0) {
351	if ($op == 'list') {
352	// Get the list of nodeblock nodes from database.
353	$nids = db_query('SELECT nid FROM {nodeasblock}')->fetchCol();
354	$nodes = node_load_multiple($nids);
355	$blocks = array();
356	foreach ($nodes as $$node) {
357	$blocks[$node->nid]['info'] = check_plain($node->title);
358	}
359	return $blocks;
360	}
361	elseif ($op == 'view') {
362	// Don't show on own node page
363	if (arg(0) == 'node' && arg(1) == $delta) {
364	return;
365	}
366	// Load the node if it's published.
367	if ($node = node_load(array('nid' => $delta, 'status' => 1))) {
368	// Don't show nodes in other languages than current. Integration with i18n node languages.
369	global $language;
370	if (empty($node->language) \|\| $node->language == $language->language) {
371	return array(
372	'subject' => l($node->title, 'node/'. $node->nid),
373	'content' => nodeasblock_block_content($node),
374	);
375	}
376	}
377	}
378	}
379
380	/**
381	* Implement hook_page_alter().
382	*
383	* Render blocks into their regions.
384	*/
385	function nodeasblock_page_alter($page) {
386	global $theme;
387
388	// The theme system might not yet be initialized. We need $theme.
389	drupal_theme_initialize();
390
391	// Get the list of nodeblock nodes from database.
392	$nids = db_query('SELECT nid FROM {nodeasblock}')->fetchCol();
393	$nodes = node_load_multiple($nids);
394	$build = node_build_multiple($nodes);
395
396	$page['sidebar_first']['nodeasblock'] = $build['nodes'];
397
398	}
399	/**
400	* Theme the node as a block.
401	*
402	* @ingroup themeable
403	*/
404	function nodeasblock_block_content($node) {
405	$node->build_mode = NODEASBLOCK_BUILD_TEASER;
406	$node = node_build_content($node, TRUE, FALSE);
407	$node->body = drupal_render($node->content);
408
409	return theme('nodeasblock', $node);
410	}
411
412	/**
413	* Implementation of hook_content_build_modes().
414	*/
415	function nodeasblock_content_build_modes() {
416	return array(
417	'block' => array(
418	'title' => t('Block'),
419	'build modes' => array(
420	NODEASBLOCK_BUILD_TEASER => array(
421	'title' => t('Teaser'),
422	),
423	NODEASBLOCK_BUILD_FULL => array(
424	'title' => t('Full node'),
425	),
426	),
427	),
428	);
429	}
430
431	/**
432	* Process variables for nodeasblock.tpl.php.
433	*
434	* The $variables array contains the following arguments:
435	* - $node
436	*
437	* @see nodeasblock.tpl.php
438	*/
439	function template_preprocess_nodeasblock(&$variables) {
440	$node = $variables['node'];
441	// If the user has permissions to edit the node, then add a link.
442	if (node_access('update', $node)) {
443	$variables['edit_link'] = l('['. t('edit') .']', 'node/'. $node->nid .'/edit', array("title" => t("Edit")));
444	}
445	$variables['content'] = $variables['node']->body;
446	}