function imagecrop_form_alter in Image javascript crop 6

Same name and namespace in other branches

1. 5 imagecrop.module \imagecrop_form_alter()

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

File

./imagecrop.module, line 338

Provides a javascript toolbox through an imagecache action.

Code

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

  // No need to do checks on forms, other then node form.
  if ($form['#id'] != 'node-form' && $form_id != '_node_images_edit_page' && $form_id != 'user_profile_form' && $form_id != 'taxonomy_form_term') {
    return;
  }

  // Only show cropping link when editing a node.
  if ($form['#id'] == 'node-form' && $form['nid']['#value'] == NULL) {
    return;
  }
  $access = user_access('crop images with toolbox');
  if (!$access) {
    return;
  }

  // get array of available modules
  $hooks = variable_get('imagecrop_modules', array());

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

    // do we have presets with javascript_crop ?
    if (count(imagecrop_presets_list()) == 0) {
      return;
    }

    // it's anonying we have to make a database call to get the right fid.
    $fid = db_result(db_query("SELECT i.fid FROM {image} i LEFT JOIN {files} f on f.fid = i.fid WHERE i.nid=%d AND filepath='%s' AND filename = '_original'", $form['nid']['#value'], $form['images']['_original']['#value']));
    $form['croptab'] = array(
      '#type' => 'item',
      '#value' => imagecrop_linkitem($fid),
      '#weight' => -10,
    );
  }
  elseif ($form_id == '_node_images_edit_page' && module_exists('node_images')) {

    // do we have presets with javascript_crop ?
    if (count(return_presets()) == 0) {
      return;
    }
    $type = $form['#parameters'][2]->type;
    if (variable_get('node_images_position_' . $type, 'hide') != 'hide' && in_array('node_images_position_' . $type, $hooks)) {
      $form['node_images']['wrapper']['node_images']['imagecrop'] = array(
        '#type' => 'hidden',
        '#value' => '1',
      );
    }
  }
  elseif ($form_id == 'user_profile_form' && isset($form['picture']['current_picture']) && in_array('profile_picture', $hooks)) {
    $form['picture']['current_picture']['#value'] .= imagecrop_linkitem($form['_account']['#value']->uid, 'user');
  }
  elseif ($form_id == 'taxonomy_form_term' && isset($form['taxonomy_image']['current_image']['image']['#value']) && in_array('taxonomy_image', $hooks)) {
    $form['taxonomy_image']['current_image']['taxonomy_image_current_image_delete']['#prefix'] .= imagecrop_linkitem($form['tid']['#value'], 'taxonomy_image');
  }
}