Ajax Call for Drupal CCK Table Field

Drupal-CCK-TableField-Ajax

/*
 * Copyright (c) 2010 Asaf Zamir
 * All rights reserved.
*
*Redistribution and use in source and binary forms, with or without
*modification, are permitted provided that the following conditions
*are met:
*
*  1. Redistributions of source code must retain the above copyright
*     notice, this list of conditions and the following disclaimer.
*  2. Redistributions in binary form must reproduce the above copyright
*     notice, this list of conditions and the following disclaimer in the
*     documentation and/or other materials provided with the distribution.
*  3. Neither the name of the University nor the names of its contributors
*     may be used to endorse or promote products derived from this software
*     without specific prior written permission.
*/

//Added this function so I won't have to get parent().parent()....
jQuery.fn.getParent = function(num) {
    var last = this[0];
    for (var i = 0; i < num; i++) {
        last = last.parentNode;
    }
    return jQuery(last);
}

jQuery(document).ready(function($) {



	$("[id$='-tablefield-rebuild']").click(function() {
		rebuildedTable = this;
	
		formData = $(this).getParent(3).siblings().find('input').serialize();
		formData = formData + '&op=Rebuild+Table&form_id=table_node_form';

		$.ajax({
		        type: "POST",
		        cache: false,
		        data: formData,
		        dataType: 'html',
			//Switch the node/add/table to node/add/ContentTypeName
		        url: Drupal.settings.basePath+'node/add/table',
		        success: function(msg)
		        {
						//Newdata holds the entire Table Div that we got from the Ajax
						//We are using the rebuildedTable id and not the element since the
						//Element would return us the original DOM element (not inside msg)
						Newdata = $(msg).find('#'+$(rebuildedTable).attr('id')).getParent(4);
						currentTable = $(rebuildedTable).getParent(4).children('table');
						if (!(currentTable .size()) || !(currentTable.html())) {

		            $(rebuildedTable).getParent(4).prepend($(Newdata).children('table'));
						}
						else {
							$(rebuildedTable).getParent(4).children('table').replaceWith($(Newdata).children('table'));
						}
					
		        },
		        error: function(XMLHttpRequest, textStatus, errorThrown)
		        {
							alert('Error');
		        }
		});

		return false;


	});

});