// $Id$

/**
 * Show the Save button when fields are swapped.
 *
 * This behavior is dependent on the tableDrag behavior, since it uses the
 * objects initialized in that behavior to update the row.
 */
Drupal.behaviors.cckFieldDrag = function(context) {
  var table = $('table#content-field-overview');
  var tableDrag = Drupal.tableDrag['content-field-overview']; // Get the tableDrag object.
  var tableChanged = false;

  // Add a handler for when a row is swapped, mark table as changed.
  tableDrag.row.prototype.onSwap = function(swappedRow) {
    tableChanged = true;
    console.log('Fields swapped');
  };
  // Add a handler for when a row is dropped, show Save button.
  tableDrag.onDrop = function() {
    if (tableChanged) {
      $('#edit-submit').fadeIn('slow');
      console.log('Save button shown');
    }
  }
};