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<?php
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// $Id: anti_existing_field.module,v 1.2.4.1 2008/11/03 17:31:38 deekayen Exp $
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/**
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* @file
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* Disable the ability to re-use CCK fields. Prevents fields
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* from being split out of their original content type tables
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* into separate field-specific tables.
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*/
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/**
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* Implementation of hook_menu().
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*/
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function anti_existing_field_menu() {
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$items = array();
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$items['admin/settings/anti_existing_field'] = array(
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'page callback' => 'drupal_get_form',
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'page arguments' => array('anti_existing_field_admin_settings'),
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'title' => 'Anti Existing Field',
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'description' => 'Turn off the ability to re-use fields in CCK.',
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'access callback' => 'user_access',
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'access arguments' => array('administer site configuration')
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);
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return $items;
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}
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/**
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* Settings form
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*
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* @return array
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*/
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function anti_existing_field_admin_settings() {
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$form = array();
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$form['anti_existing_field'] = array(
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'#type' => 'radios',
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'#options' => array(
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'off' => t('Turn off re-use interference'),
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'disable' => t('Disable submit button'),
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'remove' => t('Remove add existing field form completely'),
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'prank' => t('Move the submit button on mouseover')
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),
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'#default_value' => variable_get('anti_existing_field', 'disable')
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);
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return system_settings_form($form);
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}
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/**
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* Implementation of hook_form_alter().
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*
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* @param string $form_id
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* @param array $form
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*/
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function anti_existing_field_form_alter(&$form, $form_state, $form_id) {
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if ($form_id == 'content_field_overview_form') {
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switch (variable_get('anti_existing_field', 'disable')) {
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case 'disable':
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$form['_add_existing_field']['label']['#disabled'] = TRUE;
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$form['_add_existing_field']['field_name']['#disabled'] = TRUE;
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$form['_add_existing_field']['type']['#disabled'] = TRUE;
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break;
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case 'remove':
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// don't unset everything because cck/theme/theme.inc will throw notices when it expects existing options to be there
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unset($form['_add_existing_field']['label']);
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unset($form['_add_existing_field']['field_name']);
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unset($form['_add_existing_field']['type']);
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unset($form['_add_existing_field']['widget_type']);
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$form['_add_existing_field']['label'] = array(
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'#value' => l(t('Re-enable this option'), 'admin/settings/anti_existing_field')
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);
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break;
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case 'prank':
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$form['_add_existing_field']['label']['#prefix'] = '<div id="anti-existing-field">';
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$form['_add_existing_field']['label']['#suffix'] = '</div>';
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$form['_add_existing_field']['label']['#attributes'] = array('onMouseover' => 'aef_prank()');
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drupal_add_js(drupal_get_path('module', 'anti_existing_field') .'/anti_existing_field.js');
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break;
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}
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}
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}
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