function domain_theme_form_alter in Domain Access 7.3

Same name and namespace in other branches

1. 5 domain_theme/domain_theme_form.inc \domain_theme_form_alter()
2. 6.2 domain_theme/domain_theme.admin.inc \domain_theme_form_alter()
3. 7.2 domain_theme/domain_theme.module \domain_theme_form_alter()

Implements hook_form_alter().

This function is a helper to a normal hook_form_alter implementation, where we add additional form elements if we are dealing with domain-specific form settings.

File

domain_theme/domain_theme.module, line 238

Domain Theme module for the Domain Access module group.

Code

function domain_theme_form_alter(&$form, &$form_state, $form_id) {

  // We cannot use a named form_alter here because of color module.
  // Color submit must happen first, and a named function destroys that.
  if ($form_id != 'system_theme_settings' || arg(2) != 'domain') {
    return;
  }
  $theme = arg(6);
  $domain_id = arg(4);
  $themes = list_themes();
  $domain = domain_lookup($domain_id);
  if ($domain == -1 || !array_key_exists($theme, $themes)) {
    return drupal_access_denied();
  }

  // Which domain are we editing?
  $form['domain_id'] = array(
    '#type' => 'value',
    '#value' => $domain['domain_id'],
  );
  $form['theme'] = array(
    '#type' => 'value',
    '#value' => $theme,
  );

  // We have to remove the core submit handler, but keep other handlers.
  // Otherwise, our changes get saved to the {variables} table.
  $form['#submit'][100] = 'domain_theme_settings_submit';
  foreach ($form['#submit'] as $key => $value) {
    if ($value == 'system_theme_settings_submit') {
      unset($form['#submit'][$key]);
    }
  }

  // Check for the presence of color.module. If it exists, we have to account
  // for it and run a check to ensure we don't delete the main site's theme
  // folder if we set a domain theme to the default scheme.
  $color_info = NULL;
  if (module_exists('color') && ($color_info = color_get_info($theme))) {
    $form['#submit'][-100] = 'domain_theme_color_submit';
  }

  // Order of operation becomes:
  // domain_theme_color_submit()
  // color_form_submit()
  // domain_theme_settings_submit()
  ksort($form['#submit']);

  // If no color module, we are done.
  if (empty($color_info)) {
    return;
  }

  // Label the scheme correctly.
  // Since may have added a 'domain_default' element to the palette,
  // color module might think we are not using the default theme.
  $current_scheme = variable_get('color_' . $theme . '_palette', array());
  if (isset($current_scheme['domain_default'])) {
    unset($current_scheme['domain_default']);
    $info = color_get_info($theme);
    if (isset($info['schemes']['default']['colors']) && implode(',', $info['schemes']['default']['colors']) == implode(',', $current_scheme)) {
      $form['color']['scheme']['#default_value'] = 'default';
    }
  }

  // Color module will reset the values in {variable}. which we don't
  // want to happen. So we have to grab the existing values and store
  // them so that we can set the {variable} table correctly.
  // TODO: Make this work with Domain Prefix.
  $vars = array(
    'palette',
    'stylesheets',
    'logo',
    'files',
    'screenshot',
  );
  foreach ($vars as $variable) {
    $name = 'color_' . $theme . '_' . $variable;
    $value = db_query("SELECT value FROM {variable} WHERE name = :name", array(
      ':name' => $name,
    ))
      ->fetchField();
    $color_settings[$name] = isset($value) ? $value : NULL;
  }
  $form['domain_color_defaults'] = array(
    '#type' => 'value',
    '#value' => $color_settings,
  );
}