function imageapi_optimize_form_image_style_validate in Image Optimize (or ImageAPI Optimize) 7.2

Form validation function for image_style_form().

We ensure that if our effect is present in the form it has the highest weight.

1 string reference to 'imageapi_optimize_form_image_style_validate'

imageapi_optimize_form_image_style_form_alter in ./imageapi_optimize.module

Implements hook_form_FORM_ID_alter().

File

./imageapi_optimize.module, line 874

Code

function imageapi_optimize_form_image_style_validate($form, &$form_state) {

  // Update the image style.
  $style = $form_state['image_style'];

  // Find the max of all the 'other' weights.
  $weights = array();
  $imageapi_optimize_effects_id = NULL;
  if (!empty($form_state['values']['effects'])) {
    foreach ($form_state['values']['effects'] as $ieid => $effect_data) {
      if (isset($style['effects'][$ieid])) {
        $effect = $style['effects'][$ieid];
        if ($effect['name'] == 'imageapi_optimize') {
          $imageapi_optimize_effects_id = $ieid;
        }
        else {
          $weights[] = $effect_data['weight'];
        }
      }
    }
  }

  // If the user is adding an effect, consider that too.
  if ($form_state['triggering_element']['#value'] == $form['effects']['new']['add']['#value']) {
    $weights[] = $form_state['values']['weight'];
  }
  if (isset($imageapi_optimize_effects_id) && !empty($weights)) {
    form_set_value($form['effects'][$imageapi_optimize_effects_id]['weight'], max($weights) + 1, $form_state);
  }
}