D7 modules that sets default format for a field; disables Wisiwyg editor on a set field & summary

d7-disable-wysiwyg-set-format.php

<?php
/**
 * Implement hook_element_info_alter()
 * Enable custom processing of a field in authoring form before it is rendered to the user
 * 
 * @param array $elements
 */
function my_module_element_info_alter(&$elements) {
  array_unshift($elements['text_format']['#pre_render'], 'my_module_process_text_format');
}

/**
 * Test if there is a 'summary' in the element or the field name is 'field_map'. 
 * Then tell ckeditor to not load the wysiwyg editor. 
 * Also disalbe wysiwyg on a field 'field_map' field
 * 
 * @param boolean $element
 * @return boolean
 */
function my_module_process_text_format($element) {
  if (!empty($element['summary'])) {
    $element['summary']['#wysiwyg'] = FALSE;
  }
  if($element['#field_name'] == 'field_map') {
  	$element['value']['#wysiwyg'] = FALSE;
  }
  return $element;
}

/**
 * When authoring 'event' nodes, set format of the field 'field_map' to Full HTML
 *
 */
function my_module_form_alter(&$form, &$form_state, $form_id) {
  if ($form_id == 'event_node_form') {
  	$form['field_map']['und'][0]['#format'] = 'full_html';
  }
  return $form;
}