formblock.module in Form Block 6

File

formblock.module

<?php

/**
 * Implementation of hook_form_alter().
 */
function formblock_form_alter(&$form, $form_state, $form_id) {
  if ($form_id == 'node_type_form' && isset($form['identity']['type'])) {
    $form['formblock'] = array(
      '#type' => 'fieldset',
      '#title' => t('Form block'),
      '#collapsible' => TRUE,
      '#collapsed' => TRUE,
    );
    $form['formblock']['formblock_expose'] = array(
      '#type' => 'checkbox',
      '#title' => t('Enable data entry from a block'),
      '#default_value' => variable_get('formblock_expose_' . $form['#node_type']->type, 0),
      '#description' => t('Enable this option to make the entry form for this content type available as a block.'),
    );
    $form['formblock']['formblock_show_help'] = array(
      '#type' => 'checkbox',
      '#title' => t('Show submission guidelines'),
      '#default_value' => variable_get('formblock_show_help_' . $form['#node_type']->type, 0),
      '#options' => $options,
      '#description' => t('Enable this option to show the submission guidelines in the block above the form.'),
      '#process' => array(
        'formblock_dependent_process',
      ),
      '#dependency' => array(
        'edit-formblock-expose' => array(
          '1',
        ),
      ),
    );
  }
}

/**
 * Implementation of hook_block().
 */
function formblock_block($op = 'list', $delta = 0, $edit = array()) {
  switch ($op) {
    case 'list':
      $blocks = array();
      foreach (node_get_types('names') as $type => $name) {
        if (variable_get('formblock_expose_' . $type, 0)) {
          $blocks[$type] = array(
            'info' => t('@name form block', array(
              '@name' => $name,
            )),
            'cache' => BLOCK_NO_CACHE,
          );
        }
      }
      $blocks['user_register'] = array(
        'info' => t('User registration form'),
        'cache' => BLOCK_NO_CACHE,
      );
      if (module_exists('contact')) {
        $blocks['contact_site'] = array(
          'info' => t('Site-wide contact form'),
          'cache' => BLOCK_NO_CACHE,
        );
      }
      $blocks['user_password_request'] = array(
        'info' => t('Request new password form'),
        'cache' => BLOCK_NO_CACHE,
      );
      return $blocks;
    case 'view':
      switch ($delta) {
        case 'user_register':
          global $user;

          // Don't display the form to logged in users or if registration is disabled
          if (!$user->uid && variable_get('user_register', 1)) {
            drupal_add_css(drupal_get_path('module', 'formblock') . '/formblock.css', 'module', 'all');
            return array(
              'subject' => t('Create new account'),
              'content' => drupal_get_form('user_register'),
            );
          }
          break;
        case 'user_password_request':
          global $user;

          // Don't display the form to logged in users
          if (!$user->uid) {
            drupal_add_css(drupal_get_path('module', 'formblock') . '/formblock.css', 'module', 'all');
            module_load_include('inc', 'user', 'user.pages');
            return array(
              'subject' => t('Request new password'),
              'content' => drupal_get_form('user_pass'),
            );
          }
          break;
        case 'contact_site':
          if (user_access('access site-wide contact form') && module_exists('contact')) {
            if (!flood_is_allowed('contact', variable_get('contact_hourly_threshold', 3))) {
              $content = t("You cannot send more than %number messages per hour. Please try again later.", array(
                '%number' => variable_get('contact_hourly_threshold', 3),
              ));
            }
            else {
              drupal_add_css(drupal_get_path('module', 'formblock') . '/formblock.css', 'module', 'all');
              module_load_include('inc', 'contact', 'contact.pages');
              $content = drupal_get_form('contact_mail_page');
            }
            return array(
              'subject' => t('Contact'),
              'content' => $content,
            );
          }
          break;
        default:
          return formblock_get_block($delta);
      }
  }
}

/**
 * Generate a block containing a node entry form.
 */
function formblock_get_block($type) {
  if (node_access('create', $type) && variable_get('formblock_expose_' . $type, 0)) {

    // Include page handler for node_add()
    module_load_include('inc', 'node', 'node.pages');

    // Note title before rendering of form.
    $title = drupal_get_title();
    $form = node_add($type);

    // Restore title, which will have been overridden.
    drupal_set_title($title);
    $node_type = node_get_types('type', $type);
    $help = '';
    if (variable_get('formblock_show_help_' . $type, 0)) {
      $help = !empty($node_type->help) ? '<p>' . filter_xss_admin($node_type->help) . '</p>' : '';
    }
    return array(
      'subject' => t('@type form', array(
        '@type' => $node_type->name,
      )),
      'content' => $help . $form,
    );
  }
}

/**
 * Process callback to add dependency to form items.
 */
function formblock_dependent_process($element, $edit, &$form_state, &$form) {
  if (isset($element['#dependency'])) {
    if (!isset($element['#dependency_count'])) {
      $element['#dependency_count'] = 1;
    }
    if (!isset($element['#dependency_type'])) {
      $element['#dependency_type'] = 'hide';
    }
    $js = array(
      'values' => $element['#dependency'],
      'num' => $element['#dependency_count'],
      'type' => $element['#dependency_type'],
    );
    if (!empty($form_state['ajax'])) {
      $form_state['js settings']['formblock']['dependent'][$element['#id']] = $js;
    }
    else {
      $path = drupal_get_path('module', 'formblock');
      drupal_add_js($path . '/formblock.js', 'module', 'header');
      $options['formblock']['dependent'][$element['#id']] = $js;
      drupal_add_js($options, 'setting');
    }
  }
  return $element;
}

Functions

Name	Description
formblock_block	Implementation of hook_block().
formblock_dependent_process	Process callback to add dependency to form items.
formblock_form_alter	Implementation of hook_form_alter().
formblock_get_block	Generate a block containing a node entry form.