Пример добавления любых полей к форме кастомного блока

hook_block_configure()

hook_block_save()

name = Add Field Block
description = Данный модуль добавляет дополнительные поля для блока
package = Other
core = 7.x
version = 7.x-1.0

<?php
/**
 * Inplements hook_block_info()
 */
function addfield_block_block_info(){
  $blocks = array();
  $blocks['addfield_block'] = array(
    'info' => t('Add field for custom block'),
  );
  return $blocks;
}
 
/**
	* Implements hook_block_configure().
	*/
function addfield_block_block_configure($delta = '') {
 
  $form = array();
 
  if($delta == 'addfield_block'){
 
    // Fieldset для формы с полями
    $form['wrap'] = array(
      '#type' => 'fieldset',
      '#title' => t('Field for custom block'),
      '#collapsible' => TRUE,
      '#collapsed' => FALSE
    );
 
    // Текстовое поле
    $form['wrap']['text'] = array(
      '#type' => 'textfield',
      '#title' => t('Title text'),
      '#description' => t('Description text'),
      '#default_value' => variable_get('text', ''),
    );
 
    // Селект
    $options = array(
      'One select' => t('One select'),
      'Two select' => t('Two select'),
      'Three select' => t('Three select'),
      'Four select' => t('Four select'),
      'Five select' => t('Five select'),
    );
 
    $form['wrap']['select'] = array(
      '#type' => 'select',
      '#title' => t('Title select'),
      '#description' => t('Description select'),
      '#options' => $options,
      '#default_value' => variable_get('select', ''),
    );
 
    // Файлы
    $form['wrap']['files'] = array(
      '#type' => 'managed_file',
      '#title' => t('Files'),
      '#description' => t('Description files'),
      '#upload_location' => 'public://blockfiles',
      '#upload_validators' => array('file_validate_extensions' => array('jpeg jpg png gif zip pdf xls csv')),
      '#default_value' => variable_get('files', ''), 
    );
 
  }
 
  return $form;
 
}
 
/**
 * Implements hook_block_save
 */
function addfield_block_block_save($delta = '', $edit = array()) {
  if ($delta == 'addfield_block') {
 
    variable_set('text', $edit['text']);
    variable_set('select', $edit['select']);
    variable_set('files', $edit['files']);
 
    $fid = $edit['files'];
 
    if($fid > 0){
      // Сохраняем файл
      $file = file_load($fid);
		  $file->status = FILE_STATUS_PERMANENT;
		  file_save($file);
		  file_usage_add($file, 'addfield_block', 'user', 1);
 
    }else{
      // Удаляем файл
      $oldfid = db_select('file_usage', 'f')
        ->fields('f', array('fid'))
        ->condition('f.module', 'addfield_block')
        ->execute()
        ->fetchField();
 
      if($oldfid){
        $oldfile = file_load($oldfid);
        file_usage_delete($oldfile, 'addfield_block');
        file_delete($oldfile);
      }
 
    }
  }
}
 
/**
	* Implements hook_block_view().
	*/
function addfield_block_block_view($delta='') {
  $block = array();
    if($delta == 'addfield_block'){
 
      $items = array();
 
      // Текстовое поле
      if(variable_get('text')){
        $items[] = variable_get('text');
      };
 
      // Селект
      if(variable_get('select')){
        $items[] = variable_get('select');
      }
 
      // Файл
      $files = variable_get('files');
      if($files > 0){
        $files_item = file_load($files);
        $files_name = $files_item->filename;
        $files_item = file_create_url($files_item->uri);
        $files_item = l(t($files_name), $files_item);
        $items[] = $files_item;
      }
 
      //$items = array($text, $select, $files_item);
      $title = 'View field block';
      $type = 'ul';
 
      $output = theme_item_list(array('items' => $items, 'title' => $title, 'type' => $type, 'attributes' => array()));
 
      $block['subject'] = 'My custom block'; 
      $block['content'] = $output;
    }
  return $block;
}