afb.module in Advanced Form Block 7

Allows administrators to create blockd of node add/edit forms.
Administrators can expose any node creation/edit forms in block and create however many instances of the same as possible. saving of each and every one will be through ajax. Additionally administrators may choose to show/hide particular fields on a per block basis.
File

afb.module
View source
<?php

/**
 * @file
 * Allows administrators to create blockd of node add/edit forms.
 *
 * Administrators can expose any node creation/edit forms in block
 * and create however many instances of the same as possible. saving
 * of each and every one will be through ajax. Additionally administrators
 * may choose to show/hide particular fields on a per block basis.
 */

/**
 * Implements hook_permission().
 */
function afb_permission() {
  return array(
    'administer advanced form blocks' => array(
      'title' => t('Administer advanced form blocks'),
    ),
  );
}

/**
 * Implements hook_menu().
 */
function afb_menu() {
  $items = array();
  $items['admin/settings/advanced-form-blocks'] = array(
    'title' => 'Advanced Form Block Settings',
    'description' => 'Create Node Forms',
    'page callback' => 'afb_admin_page',
    'access arguments' => array(
      'administer advanced form blocks',
    ),
    'type' => MENU_NORMAL_ITEM,
  );
  $items['autocomplete/advanced-form-block'] = array(
    'page callback' => 'afb_autocomplete',
    'type' => MENU_CALLBACK,
    'access arguments' => array(
      'administer advanced form blocks',
    ),
  );
  return $items;
}

/**
 * Displays the form listing existing created blocks in a tableselect fomat.
 */
function afb_existing_blocks_display_form($form, $form_state) {
  $form = array();
  $result = db_select('afb_blocks_data', 'n')
    ->fields('n', array(
    'delta',
    'title',
    'form_type',
    'content_type',
    'nid',
  ))
    ->execute();
  $count = $result
    ->rowCount();

  // Save the query to matches.
  foreach ($result as $row) {
    $entries[] = array(
      'delta' => $row->delta,
      'title' => check_plain($row->title),
      'form_type' => check_plain($row->form_type),
      'content_type' => check_plain($row->content_type),
      'nid' => $row->nid,
    );
  }
  $header = array(
    'title' => t('title'),
    'form_type' => t('form type'),
    'content_type' => t('content type'),
    'nid' => t('nid'),
  );
  $options = array();
  if (!empty($entries)) {
    foreach ($entries as $entry) {
      $options[$entry['delta']] = array(
        'title' => $entry['title'],
        'form_type' => $entry['form_type'],
        'content_type' => $entry['content_type'],
        'nid' => $entry['nid'],
      );
    }
  }
  $form['table'] = array(
    '#type' => 'tableselect',
    '#header' => $header,
    '#options' => $options,
    '#empty' => t('No form blocks found'),
  );
  $form['submit'] = array(
    '#type' => 'submit',
    '#value' => t('Delete Selected'),
    '#submit' => array(
      'afb_existing_blocks_display_form_submit',
    ),
  );
  return $form;
}

/**
 * Displays the form enabling the creation of new blocks.
 */
function afb_new_block_create_form($form, $form_state) {
  $form = array();
  $form['title'] = array(
    '#type' => 'textfield',
    '#title' => t('Title of the Block'),
    '#description' => t('Enter the Desired title'),
    '#size' => 60,
    '#required' => TRUE,
    '#default' => empty($form_state['values']['title']) ? NULL : $form_state['values']['title'],
  );
  $form['block_type'] = array(
    '#type' => 'select',
    '#title' => t('Type of the Block'),
    '#description' => t('Node Add or Node edit type block'),
    '#options' => drupal_map_assoc(array(
      t('Add'),
      t('Edit'),
    )),
    '#default' => empty($form_state['values']['block_type']) ? 'Add' : $form_state['values']['block_type'],
    '#required' => TRUE,
    '#ajax' => array(
      'wrapper' => 'input-fields',
      'callback' => 'afb_create_block_ajax_handler',
    ),
  );
  $form['input_fields'] = array(
    '#type' => 'container',
    '#prefix' => '<div id="input-fields">',
    '#suffix' => '</div>',
  );
  if (isset($form_state['values']['block_type']) && $form_state['values']['block_type'] === 'Add') {
    $node_type_options = node_type_get_types();
    foreach ($node_type_options as $key => $val) {
      $types[] = $key;
    }
    $form['input_fields']['content_type'] = array(
      '#type' => 'select',
      '#title' => t('Content type'),
      '#description' => t('Node Add or Node edit Content type'),
      '#options' => drupal_map_assoc($types),
      '#default' => empty($form_state['values']['content_type']) ? NULL : $form_state['values']['content_type'],
      '#required' => TRUE,
    );
  }
  if (isset($form_state['values']['block_type']) && $form_state['values']['block_type'] === 'Edit') {
    $form['input_fields']['nid'] = array(
      '#type' => 'textfield',
      '#title' => t('Name of the referanced node'),
      '#autocomplete_path' => 'autocomplete/advanced-form-block',
      '#description' => t('Node Add or Node edit type block'),
      '#default' => empty($form_state['values']['nid']) ? NULL : $form_state['values']['nid'],
      '#required' => TRUE,
    );
  }
  $form['submit'] = array(
    '#type' => 'submit',
    '#value' => t('Create'),
    '#submit' => array(
      'afb_new_block_create_form_submit',
    ),
  );
  return $form;
}

/**
 * Ajax handler for the block creation form.
 */
function afb_create_block_ajax_handler($form, $form_state) {
  return $form['input_fields'];
}

/**
 * Returns the page containing existing block list with block creation form.
 */
function afb_admin_page() {
  $output = array(
    'existing_blocks' => drupal_get_form('afb_existing_blocks_display_form'),
    'create_new_block' => drupal_get_form('afb_new_block_create_form'),
  );
  return $output;
}

/**
 * Submit handler for the existing block list form facilitating its deletion.
 */
function afb_existing_blocks_display_form_submit($form, $form_state) {
  foreach ($form_state['values']['table'] as $key => $val) {
    if ($val != 0) {
      afb_block_delete($val);
      db_delete('afb_blocks_data')
        ->condition('delta', $val)
        ->execute();
    }
  }
}

/**
 * Submit handler for the create block form facilitating its deletion.
 */
function afb_new_block_create_form_submit($form, $form_state) {
  $v = $form_state['values'];
  $nids = !empty($v['nid']) ? $v['nid'] : 0;
  $data = serialize(array());
  if (!empty($v['content_type'])) {
    $type = $v['content_type'];
  }
  else {
    $node = node_load($nids);
    $type = $node->type;
  }
  $nid = db_insert('afb_blocks_data')
    ->fields(array(
    'title',
    'content_type',
    'form_type',
    'nid',
    'data',
  ))
    ->values(array(
    'title' => $v['title'],
    'content_type' => $type,
    'form_type' => $v['block_type'],
    'nid' => $nids,
    'data' => $data,
  ))
    ->execute();
  if (isset($nid)) {
    drupal_set_message(t('The Block has been succesfully created'));
  }
  else {
    drupal_set_message(t('Error creating the block'));
  }
}

/**
 * Autocomplete function displaying each node names.
 */
function afb_autocomplete($string) {
  $matches = array();
  $result = db_select('node', 'n')
    ->fields('n', array(
    'title',
    'nid',
  ))
    ->condition('title', '%' . db_like($string) . '%', 'LIKE')
    ->addTag('node_access')
    ->execute();

  // Save the query to matches.
  foreach ($result as $row) {
    $matches[$row->nid] = check_plain($row->title);
  }

  // Return the result to the form in json.
  drupal_json_output($matches);
}

/**
 * Implements hook_form_alter().
 */
function afb_form_alter(&$form, &$form_state, $form_id) {
  if (isset($form['#node']->ajax_form)) {
    if (isset($form['#node']->nid)) {
      $type = $form['#node']->nid;
    }
    else {
      $type = $form['#node']->type;
    }
    $delta = $form['#node']->delta;
    $block_detail_array = afb_get_node_form_block_data($delta);
    $type = $block_detail_array->content_type;
    $fields_data = field_info_instances("node", $type);
    $block_detail_data = unserialize($block_detail_array->data);
    $fields = empty($block_detail_data['node_fields']) ? array() : $block_detail_data['node_fields'];
    $tabs = empty($block_detail_data['vertical_tabs']) ? array() : $block_detail_data['vertical_tabs'];
    if (isset($tabs['Publishing options']) && $tabs['Publishing options'] === 0) {
      $form['options']['status'] = array(
        '#type' => 'value',
        '#value' => 1,
      );
      $form['options']['promote'] = array(
        '#type' => 'value',
        '#value' => 1,
      );
      $form['options']['sticky'] = array(
        '#type' => 'value',
        '#value' => 0,
      );
      $form['options']['#type'] = 'container';
      $form['options']['#title'] = '';
    }
    foreach ($fields as $key => $value) {
      if ($value === 0 && isset($form['#node']->nid)) {
        $form[$key]['#access'] = FALSE;
      }
      if ($value === 0 && !isset($form['#node']->nid) && $fields_data[$key]['required'] != TRUE) {
        $form[$key]['#access'] = FALSE;
      }
    }
    $form['#after_build'][] = 'afb_after_build';
    $rand = rand();
    $form['actions']['submit'] = FALSE;
    $form['actions']['preview'] = FALSE;
    $form['actions']['delete'] = FALSE;
    $form['changed']['#default_value'] = time() + 300;
    $form['#id'] = !empty($form['#node']->form_id) ? $form['#node']->form_id : $form['#id'];
    $form['ajax-submit'] = array(
      '#type' => 'submit',
      '#value' => t('Save Node'),
      '#weight' => 50,
      '#id' => 'ajax-submit-random-' . $rand,
      '#ajax' => array(
        'wrapper' => !empty($form['#node']->form_id) ? $form['#node']->form_id : $form['#id'],
        'callback' => 'afb_ajax_handler',
        'effect' => 'fade',
      ),
      '#submit' => array(
        1 => 'node_form_submit',
      ),
    );
  }
  if (strpos($form_id, '_node_form') !== FALSE) {

    /* Make sure we have necessary includes.
     * see the issue http://drupal.org/node/1167076 and
     * http://drupal.org/node/1167076#comment-6257338.
     * The solution based on Sun's advice.
     */
    if (empty($form_state['build_info']['files']) || !in_array('modules/node/node.pages.inc', $form_state['build_info']['files'])) {
      form_load_include($form_state, 'inc', 'node', 'node.pages');
    }
  }
}

/**
 * Ajax Handler that returns the forms in each individual blocks.
 */
function afb_ajax_handler($form, $form_state) {
  if (isset($form['#node']->nid)) {
    $id = $form['#id'];
    module_load_include('inc', 'node', 'node.pages');
    $node = node_load($form['#node']->nid);
    $form_state['build_info']['args'][0]->form_id = $id;
    $form = drupal_rebuild_form($node->type . '_node_form', $form_state, $form);
    $form['#id'] = $id;
    return $form;
  }
  else {
    $node = $form_state['node'];
    if (!empty($node->nid)) {
      $id = $form['#id'];
      $new_node = (object) array(
        'uid' => $node->uid,
        'name' => $node->name,
        'type' => $node->type,
        'language' => $node->language,
        'ajax_form' => 1,
        'delta' => $node->delta,
        'form_id' => $id,
      );
      $new_form_state = array();
      $new_form_state['build_info']['args'] = array(
        $new_node,
      );
      $new_form_state['values'] = array();
      $new_form_state['method'] = $form_state['method'];
      form_load_include($new_form_state, 'inc', 'node', 'node.pages');
      $form = drupal_rebuild_form($node->type . '_node_form', $new_form_state);
      $form['#id'] = $id;
      return $form;
    }
    else {
      return $form;
    }
  }
}

/**
 * Alters the image widget to induce custom process function.
 */
function afb_field_widget_form_alter(&$element, &$form_state, $context) {
  foreach (element_children($element) as $key) {
    if (isset($element[$key]['#type'])) {
      if ($element[$key]['#type'] == 'managed_file') {
        $element[$key]['#process'][] = 'afb_advanced_process';
      }
    }
  }
}

/**
 * Custom process function overriding the default image widget one.
 */
function afb_advanced_process($element, &$form_state, $form) {
  $fid = isset($element['#value']['fid']) ? $element['#value']['fid'] : 0;
  $rand = rand();

  // Set some default element properties.
  $element['#progress_indicator'] = empty($element['#progress_indicator']) ? 'none' : $element['#progress_indicator'];
  $element['#file'] = $fid ? file_load($fid) : FALSE;
  $element['#tree'] = TRUE;
  $ajax_settings = array(
    'path' => 'file/ajax/' . implode('/', $element['#array_parents']) . '/' . $form['form_build_id']['#value'],
    'wrapper' => $element['#id'] . '-ajax-wrapper-' . $rand,
    'effect' => 'fade',
    'progress' => array(
      'type' => $element['#progress_indicator'],
      'message' => $element['#progress_message'],
    ),
  );

  // Set up the buttons first since we need to check if they were clicked.
  $element['upload_button'] = array(
    '#name' => implode('_', $element['#parents']) . '_upload_button',
    '#type' => 'submit',
    '#value' => t('Upload'),
    '#validate' => array(),
    '#submit' => array(
      'file_managed_file_submit',
    ),
    '#limit_validation_errors' => array(
      $element['#parents'],
    ),
    '#ajax' => $ajax_settings,
    '#weight' => -5,
    '#id' => drupal_html_id('test-upload-123-' . rand()),
  );
  $ajax_settings['progress']['type'] ? $ajax_settings['progress']['type'] == 'bar' : 'throbber';
  $ajax_settings['progress']['message'] = NULL;
  $ajax_settings['effect'] = 'none';
  $element['remove_button'] = array(
    '#name' => implode('_', $element['#parents']) . '_remove_button',
    '#type' => 'submit',
    '#value' => t('Remove'),
    '#validate' => array(),
    '#submit' => array(
      'file_managed_file_submit',
    ),
    '#limit_validation_errors' => array(
      $element['#parents'],
    ),
    '#ajax' => $ajax_settings,
    '#weight' => -5,
    '#id' => drupal_html_id('test-remove-' . rand()),
  );
  $element['fid'] = array(
    '#type' => 'hidden',
    '#value' => $fid,
  );

  // Add progress bar support to the upload if possible.
  if ($element['#progress_indicator'] == 'bar' && ($implementation = file_progress_implementation())) {
    $upload_progress_key = mt_rand();
    if ($implementation == 'uploadprogress') {
      $element['UPLOAD_IDENTIFIER'] = array(
        '#type' => 'hidden',
        '#value' => $upload_progress_key,
        '#attributes' => array(
          'class' => array(
            'file-progress',
          ),
        ),
      );
    }
    elseif ($implementation == 'apc') {
      $element['APC_UPLOAD_PROGRESS'] = array(
        '#type' => 'hidden',
        '#value' => $upload_progress_key,
        '#attributes' => array(
          'class' => array(
            'file-progress',
          ),
        ),
      );
    }

    // Add the upload progress callback.
    $element['upload_button']['#ajax']['progress']['path'] = 'file/progress/' . $upload_progress_key;
  }

  // The file upload field itself.
  $element['upload'] = array(
    '#name' => 'files[' . implode('_', $element['#parents']) . ']',
    '#type' => 'file',
    '#title' => t('Choose a file'),
    '#title_display' => 'invisible',
    '#size' => 22,
    '#theme_wrappers' => array(),
    '#weight' => -10,
    '#id' => drupal_html_id('test-upload-' . rand()),
  );
  if ($fid && $element['#file']) {
    $element['filename'] = array(
      '#type' => 'markup',
      '#markup' => theme('file_link', array(
        'file' => $element['#file'],
      )) . ' ',
      '#weight' => -10,
    );
  }

  // Add the extension list to the page as JavaScript settings.
  if (isset($element['#upload_validators']['file_validate_extensions'][0])) {
    $extension_list = implode(',', array_filter(explode(' ', $element['#upload_validators']['file_validate_extensions'][0])));
    $element['upload']['#attached']['js'] = array(
      array(
        'type' => 'setting',
        'data' => array(
          'file' => array(
            'elements' => array(
              '#' . $element['#id'] . '-upload' => $extension_list,
            ),
          ),
        ),
      ),
    );
  }

  // Prefix and suffix used for Ajax replacement.
  $element['#prefix'] = '<div id="' . $element['#id'] . '-ajax-wrapper-' . $rand . '">';
  $element['#suffix'] = '</div>';
  return $element;
}

/**
 * Implements hook_after_build().
 */
function afb_after_build($form, &$form_state) {
  $delta = $form['#node']->delta;
  $block_detail_array = afb_get_node_form_block_data($delta);
  $block_detail_data = unserialize($block_detail_array->data);
  $tabs = empty($block_detail_data['vertical_tabs']) ? array() : $block_detail_data['vertical_tabs'];
  foreach ($tabs as $key => $value) {
    if ($value === 0) {
      switch ($key) {
        case 'Revision information':
          $form['revision_information']['#access'] = FALSE;
          break;
        case 'Authoring information':
          $form['author']['#access'] = FALSE;
          break;
        case 'Comment settings':
          $form['comment_settings']['#access'] = FALSE;
          break;
        case 'Menu settings':
          $form['menu']['#access'] = FALSE;
          break;
        case 'URL path settings':
          $form['path']['#access'] = FALSE;
          break;
        case 'Advanced Form block':
          $form['advanced_afb_edit']['#access'] = FALSE;
          break;
        default:
          break;
      }
    }
  }
  return $form;
}

/**
 * Deletes a block instance from the block tables.
 */
function afb_block_delete($delta) {
  db_update('block')
    ->fields(array(
    'region' => '-1',
  ))
    ->condition('delta', $delta)
    ->execute();
  db_delete('block_custom')
    ->condition('bid', $delta)
    ->execute();
  db_delete('block')
    ->condition('module', 'afb')
    ->condition('delta', $delta)
    ->execute();
  db_delete('block_role')
    ->condition('module', 'afb')
    ->condition('delta', $delta)
    ->execute();
  $data = afb_get_node_form_block_data($delta);
  drupal_set_message(t('The %name block has been removed.', array(
    '%name' => $data->title,
  )));
  cache_clear_all();
  return;
}

/**
 * Implements hook_block_info().
 */
function afb_block_info() {
  $blocks = array();
  $result_add = db_select('afb_blocks_data', 'n')
    ->fields('n', array(
    'delta',
    'title',
    'content_type',
  ))
    ->condition('n.form_type', 'Add', '=')
    ->execute();
  foreach ($result_add as $row) {
    $blocks[$row->delta] = array(
      'info' => t('@name (Add Form Block) Type: @type', array(
        '@name' => $row->title,
        '@type' => $row->content_type,
      )),
      'cache' => DRUPAL_NO_CACHE,
    );
  }
  $result_edit = db_select('afb_blocks_data', 'n')
    ->fields('n', array(
    'delta',
    'title',
    'content_type',
    'nid',
  ))
    ->condition('n.form_type', 'Edit', '=')
    ->execute();
  foreach ($result_edit as $row) {
    $blocks[$row->delta] = array(
      'info' => t('@name (Edit Form Block) Nid: @nid', array(
        '@name' => $row->title,
        '@nid' => $row->nid,
      )),
      'cache' => DRUPAL_NO_CACHE,
    );
  }
  return $blocks;
}

/**
 * Returns the data object retrieved from the advanced form block tables.
 */
function afb_get_node_form_block_data($delta) {
  $result = db_select('afb_blocks_data', 'n')
    ->fields('n', array(
    'delta',
    'title',
    'content_type',
    'form_type',
    'nid',
    'data',
  ))
    ->condition('n.delta', $delta, '=')
    ->execute();
  foreach ($result as $row) {
    $result_obj = $row;
  }
  return $result_obj;
}

/**
 * Implements hook_block_view().
 */
function afb_block_view($delta = '') {
  $block_info = afb_get_node_form_block_data($delta);
  if ($block_info->form_type === 'Add') {
    return afb_get_add_block($delta);
  }
  elseif ($block_info->form_type === 'Edit') {
    return afb_get_edit_block($delta);
  }
}

/**
 * Generate a block containing a node edit form.
 */
function afb_get_edit_block($delta) {
  $block_info = afb_get_node_form_block_data($delta);
  $nid = $block_info->nid;
  $node = node_load($nid);
  if (node_access('update', $node)) {
    global $user;
    $block = array();
    module_load_include('inc', 'node', 'node.pages');
    $node->ajax_form = 1;
    $node->delta = $delta;
    $form = drupal_get_form($node->type . '_node_form', $node);
    $block['subject'] = t('@type form nid @nid', array(
      '@type' => $node->type,
      '@nid' => $node->title,
    ));
    $block['content']['form'] = $form;
    return $block;
  }
}

/**
 * Generate a block containing a node entry form.
 */
function afb_get_add_block($delta) {
  $block_info = afb_get_node_form_block_data($delta);
  $type = $block_info->content_type;
  if (node_access('create', $type)) {
    global $user;
    $block = array();
    module_load_include('inc', 'node', 'node.pages');
    $node = (object) array(
      'uid' => $user->uid,
      'name' => isset($user->name) ? $user->name : '',
      'type' => $type,
      'language' => LANGUAGE_NONE,
      'ajax_form' => '1',
    );
    $node->delta = $delta;
    $form = drupal_get_form($type . '_node_form', $node);
    $block['subject'] = t('@type form', array(
      '@type' => $type,
    ));
    $block['content']['form'] = $form;
    return $block;
  }
}

/**
 * Implements hook_block_configure().
 */
function afb_block_configure($delta = '') {
  $block_info = afb_get_node_form_block_data($delta);
  if ($block_info->form_type === 'Add') {
    $form = afb_configure_node_add_block($delta);
    return $form;
  }
  elseif ($block_info->form_type === 'Edit') {
    $form = afb_configure_node_edit_block($delta);
    return $form;
  }
}

/**
 * Presents the node add type blocks settings form.
 */
function afb_configure_node_add_block($delta) {
  $block_info = afb_get_node_form_block_data($delta);
  $type = $block_info->content_type;
  $fields = field_info_instances("node", $type);
  foreach ($fields as $key => $value) {
    if ($value['required'] != TRUE) {
      $field_options[] = $key;
    }
  }
  module_load_include('inc', 'node', 'node.pages');
  $vertical_tab_options = array(
    t('Revision information'),
    t('Authoring information'),
    t('Publishing options'),
    t('Comment settings'),
    t('Menu settings'),
    t('URL path settings'),
  );
  $block_detail_array = afb_get_node_form_block_data($delta);
  $block_detail_data = unserialize($block_detail_array->data);
  $fields = empty($block_detail_data['node_fields']) ? $field_options : $block_detail_data['node_fields'];
  $tabs = empty($block_detail_data['vertical_tabs']) ? $vertical_tab_options : $block_detail_data['vertical_tabs'];
  $form['node_fields'] = array(
    '#type' => 'checkboxes',
    '#title' => t('Select the fields you want to keep in the block'),
    '#options' => drupal_map_assoc($field_options),
    '#default_value' => $fields,
  );
  $form['vertical_tabs'] = array(
    '#type' => 'checkboxes',
    '#title' => t('Select the vertical tab components you want to keep in the block'),
    '#options' => drupal_map_assoc($vertical_tab_options),
    '#default_value' => $tabs,
  );
  return $form;
}

/**
 * Presents the node edit type blocks settings form.
 */
function afb_configure_node_edit_block($delta) {
  $block_info = afb_get_node_form_block_data($delta);
  $nid = $block_info->nid;
  $node = node_load($nid);
  $node->ajax_form = 1;
  $fields = field_info_instances("node", $node->type);
  foreach ($fields as $key => $value) {
    $field_options[] = t($key);
  }
  $field_options[] = 'title';
  module_load_include('inc', 'node', 'node.pages');
  $vertical_tab_options = array(
    t('Revision information'),
    t('Authoring information'),
    t('Publishing options'),
    t('Comment settings'),
    t('Menu settings'),
    t('URL path settings'),
  );
  $block_detail_array = afb_get_node_form_block_data($delta);
  $block_detail_data = unserialize($block_detail_array->data);
  $fields = empty($block_detail_data['node_fields']) ? $field_options : $block_detail_data['node_fields'];
  $tabs = empty($block_detail_data['vertical_tabs']) ? $vertical_tab_options : $block_detail_data['vertical_tabs'];
  $vertical_tab_default = variable_get('vertical_tabs_selection_' . $node->nid, '');
  $form['node_fields'] = array(
    '#type' => 'checkboxes',
    '#title' => t('Select the fields you want to keep in the block'),
    '#options' => drupal_map_assoc($field_options),
    '#default_value' => $fields,
  );
  $form['vertical_tabs'] = array(
    '#type' => 'checkboxes',
    '#title' => t('Select the vertical tab components you want to keep in the block'),
    '#options' => drupal_map_assoc($vertical_tab_options),
    '#default_value' => $tabs,
  );
  return $form;
}

/**
 * Implements hook_block_save().
 */
function afb_block_save($delta = '', $edit = array()) {
  $data = serialize(array(
    'node_fields' => $edit['node_fields'],
    'vertical_tabs' => $edit['vertical_tabs'],
  ));
  $num_updated = db_update('afb_blocks_data')
    ->fields(array(
    'data' => $data,
  ))
    ->condition('delta', $delta, '=')
    ->execute();
}

/**
 * Implements hook_node_delete().
 */
function afb_node_delete($node) {
  $result = db_select('afb_blocks_data', 'n')
    ->fields('n', array(
    'delta',
    'nid',
  ))
    ->condition('n.nid', $node->nid, '=')
    ->execute();
  $count = $result
    ->rowCount();
  if ($count > 0) {
    foreach ($result as $row) {
      $deltas[] = $row->delta;
    }
    foreach ($deltas as $delta) {
      afb_block_delete($delta);
    }
    $nid = array(
      $node->nid,
    );
    db_delete('afb_blocks_data')
      ->condition('nid', $nid)
      ->execute();
  }
}
Functions

Name	Description
afb_admin_page	Returns the page containing existing block list with block creation form.
afb_advanced_process	Custom process function overriding the default image widget one.
afb_after_build	Implements hook_after_build().
afb_ajax_handler	Ajax Handler that returns the forms in each individual blocks.
afb_autocomplete	Autocomplete function displaying each node names.
afb_block_configure	Implements hook_block_configure().
afb_block_delete	Deletes a block instance from the block tables.
afb_block_info	Implements hook_block_info().
afb_block_save	Implements hook_block_save().
afb_block_view	Implements hook_block_view().
afb_configure_node_add_block	Presents the node add type blocks settings form.
afb_configure_node_edit_block	Presents the node edit type blocks settings form.
afb_create_block_ajax_handler	Ajax handler for the block creation form.
afb_existing_blocks_display_form	Displays the form listing existing created blocks in a tableselect fomat.
afb_existing_blocks_display_form_submit	Submit handler for the existing block list form facilitating its deletion.
afb_field_widget_form_alter	Alters the image widget to induce custom process function.
afb_form_alter	Implements hook_form_alter().
afb_get_add_block	Generate a block containing a node entry form.
afb_get_edit_block	Generate a block containing a node edit form.
afb_get_node_form_block_data	Returns the data object retrieved from the advanced form block tables.
afb_menu	Implements hook_menu().
afb_new_block_create_form	Displays the form enabling the creation of new blocks.
afb_new_block_create_form_submit	Submit handler for the create block form facilitating its deletion.
afb_node_delete	Implements hook_node_delete().
afb_permission	Implements hook_permission().
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afb.module in Advanced Form Block 7

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