function simplecrop_field_widget_change_display_submit in SimpleCrop 7

Crop submit callback. Switches between displays and saves crop data.

1 string reference to 'simplecrop_field_widget_change_display_submit'

simplecrop_field_widget_process in includes/simplecrop.field.inc

Element #process callback for the image_image field type.

File

includes/simplecrop.field.inc, line 557

Contains information about field widget and related functions.

Code

function simplecrop_field_widget_change_display_submit(&$form, &$form_state) {

  // Get parents array of triggered button
  $image_parents = $form_state['triggering_element']['#parents'];

  // Remove name of triggered button.
  array_pop($image_parents);

  // Get image field value.
  $value = drupal_array_get_nested_value($form_state['values'], $image_parents);

  // Switch current display.
  $display =& $form_state['simplecrop'][$value['fid']]['display'];
  $display = $display == SIMPLECROP_DISPLAY_ORIGINAL_IMAGE ? SIMPLECROP_DISPLAY_CROPPED_IMAGE : SIMPLECROP_DISPLAY_ORIGINAL_IMAGE;

  // Do some actions after switching from image with crop selection
  // to cropped image display.
  if ($display == SIMPLECROP_DISPLAY_CROPPED_IMAGE) {

    // It makes sense to rebuild crop area coordinates only when
    // we switched from original display, because other display
    // doesn't contain crop area selection.
    // Ensure that we have all required data to save the crop.
    if (!empty($value['data']) && !empty($value['scaled_size']) && !empty($value['original_size']) && !empty($value['fid'])) {
      $crop =& $form_state['simplecrop'][$value['fid']]['crop'];

      // Unscale coordinates from scaled image to original.
      $crop['x'] = round($value['original_size']['width'] / $value['scaled_size']['width'] * $value['data']['x']);
      $crop['y'] = round($value['original_size']['height'] / $value['scaled_size']['height'] * $value['data']['y']);
      $crop['x2'] = round($value['original_size']['width'] / $value['scaled_size']['width'] * $value['data']['x2']);
      $crop['y2'] = round($value['original_size']['height'] / $value['scaled_size']['height'] * $value['data']['y2']);
    }
  }

  // Show and hide different widget fields depends on current display.
  // We need this to store actual data about displays in forms cache.
  $field =& drupal_array_get_nested_value($form, $image_parents);
  _simplecrop_field_widget_switch_display($field, $display);

  // Rebuild image widget with a new display.
  $form_state['rebuild'] = TRUE;
}