function imagecrop_form_alter in Image javascript crop 5

Same name and namespace in other branches

1. 6 imagecrop.module \imagecrop_form_alter()

Implementation of hook_form_alter(). Hook into several existing image modules/fields.

File

./imagecrop.module, line 183

Provides a javascript toolbox through an imagecache action.

Code

function imagecrop_form_alter($form_id, &$form) {

  // do we have presets with javascript_crop ?
  $exists = imagecrop_action_exists();

  // user access
  $access = user_access('crop images with toolbox');

  // build array with available modules/fields
  $modules = variable_get('imagecrop_modules', array());
  $fields = variable_get('imagecrop_fields', array());
  $hooks = array_merge($modules, $fields);

  // hook into imagefield module
  if (module_exists('imagefield') && $exists != FALSE && $access) {
    $formfield = imagecrop_find_imagefields($form, $fields);
    if ($formfield != FALSE) {
      $count = count($formfield);
      for ($i = 0; $i < $count; $i++) {
        $a = 0;
        while ($form[$formfield[$i]][$a]['fid']['#value']) {
          if (!empty($form[$formfield[$i]][$a]['fid']['#value'])) {
            $descr = $form[$formfield[$i]][$a]['description']['#value'] . '<br />' . imagecrop_linkitem($form[$formfield[$i]][$a]['fid']['#value']);
            $form[$formfield[$i]][$a]['description']['#value'] = $descr;
          }
          $a++;
        }
      }
    }
  }

  // hook into image module
  if (module_exists('image') && $exists != FALSE && $access && in_array('image', $hooks) && isset($form['images']['thumbnail'])) {

    // it's anonying we have to make a database call to get the right fid.
    $fid = db_result(db_query("SELECT fid FROM {files} WHERE nid=%d AND filename = '_original' AND filepath='%s'", $form['nid']['#value'], $form['images']['_original']['#default_value']));
    $form['croptab'] = imagecrop_formitem($fid, -10);
  }

  // hook into node_images module
  if (module_exists('node_images') && $form_id == '_node_images_list' && $exists != FALSE && $access) {
    $type = $form['#parameters'][1]->type;
    if (variable_get('node_images_position_' . $type, 'hide') != 'hide' && in_array('node_images_position_' . $type, $hooks)) {
      $form['imagecrop'] = array(
        '#type' => 'hidden',
        '#value' => '1',
      );
    }
  }
}