Drupal.behaviors.dndLibrary = function(context) {
  var libraries = Drupal.settings.dndEnabledLibraries;

  // Loop over libraries keyed by the textarea they are associated with
  for (var textarea_id in libraries) {

    var library = $('#' + textarea_id + '-dnd-library');

    // Ajax pager:  This seems like it is bad to be here
    $('.pager a', library).click(function(e, data) {
      $.getJSON(this.href, function(data) {
        $('.library', library).html('');
        for (item in data.library) {
          $('.library', library).append(data.library[item].library);
          Drupal.settings.dndEditorRepresentations[item] = data.library[item].editor;
          Drupal.behaviors.dndLibrary(context);  // Durn event reattachment
        }
      });
      return false;
    });

    // Bind Drag and Drop plugin invocation to wywsiwygAttach event
    $('#' + textarea_id).bind('wysiwygAttach', function(e, data) {
      var settings = {
        renderRepresentation: function(target, drop, representation_id) {
          console.log(representation_id);
          return Drupal.settings.dndEditorRepresentations[representation_id];
        }
      }
      settings = $.extend(settings, libraries[textarea_id]);

      // Get editor attachment function
      var editor_fn = 'attach_' + data.editor;
      if ($.isFunction(window.Drupal.behaviors.dndLibrary[editor_fn])) {
        window.Drupal.behaviors.dndLibrary[editor_fn](data, settings); 
      }
    });

    // @TODO track and clear intervals to save memory at the cost of 
    // more processing?
    $('#' + textarea_id).bind('wysiwygDetach', function(e, data) {
      console.log('detach');
    });
  }
}

Drupal.behaviors.dndLibrary.attach_tinymce = function(data, settings) {
  var tiny = tinyMCE.getInstanceById(data.field);
  $('#'+ data.field +'-wrapper iframe').load(function() {
    settings = $.extend({
      targets: $('#'+ data.field +'-wrapper iframe'),
      insertAfter: '<p><span id="__caret">_</span></p>',
      postprocessDrop: function() {
        // Get our special span, select it, delete it, and hope the caret
        // resets correctly.
        tiny.selection.select(tiny.dom.get('__caret'));
        tiny.execCommand('Delete', false, null);
				tiny.dom.remove('__caret');
      }
    }, settings);

    $(settings.drop_selector).dnd(settings);
  });
}