function feeds_tamper_form_feeds_ui_mapping_form_alter in Feeds Tamper 7

Same name and namespace in other branches

1. 6 feeds_tamper.inc \feeds_tamper_form_feeds_ui_mapping_form_alter()

Implements hook_form_feeds_ui_mapping_form_alter().

This is an interesting bit of work. Each source name has to be unique, but we have no idea how many to create with feeds_tamper_feeds_parser_sources_alter() because we don't know how many targets there are going to be.

The solution is to keep track in the form how many have been added.

File

./feeds_tamper.inc, line 318

Version agnostic parts of feeds_tamper.module.

Code

function feeds_tamper_form_feeds_ui_mapping_form_alter(array &$form, array &$form_state) {
  $form['#submit'][] = 'feeds_tamper_form_feeds_ui_mapping_form_submit';

  // Don't alter the sources on the form for parsers that use manual input.
  $manual_source_input = $form['source']['#type'] == 'textfield';
  $max_source = 0;
  $max_target = 0;
  foreach ($form['#mappings'] as $mapping) {
    if (!$manual_source_input && strpos($mapping['source'], 'Blank source ') === 0) {
      list(, , $source_value) = explode(' ', $mapping['source']);
      if ($source_value > $max_source) {
        $max_source = $source_value;
      }
    }
    if (strpos($mapping['target'], 'Temporary target ') === 0) {
      list(, , $target_value) = explode(' ', $mapping['target']);
      if ($target_value > $max_target) {
        $max_target = $target_value;
      }
    }
  }
  if (!$manual_source_input) {
    if ($max_source) {
      unset($form['source']['#options']['Blank source 1']);
      $form['source']['#options']['Blank source ' . ++$max_source] = 'Blank source';

      // Declare extra mapping sources.
      for ($i = 2; $i <= $max_source; $i++) {
        $form['#feeds_sources']['Blank source ' . $i] = $form['#feeds_sources']['Blank source 1'];
      }
    }
    else {
      $form['source']['#options']['Blank source 1'] = 'Blank source';
    }
  }
  if ($max_target) {
    unset($form['target']['#options']['Temporary target 1']);
    $form['target']['#options']['Temporary target ' . ++$max_target] = 'Temporary target';

    // Declare extra mapping targets.
    for ($i = 2; $i <= $max_target; $i++) {
      $form['#feeds_targets']['Temporary target ' . $i] = $form['#feeds_targets']['Temporary target 1'];
    }
  }
  else {
    $form['target']['#options']['Temporary target 1'] = 'Temporary target';
  }
}