jquery.ajaxpro.js

// Copyright (c) 2010 EndlessPaths.com
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

// This is a jQuery plugin to interact with an ASP.Net AJAXPro service.
// It relies on a global variable called ajaxProPath to be set on the page level.
// I know this isn't ideal, but its .Net and thats just how things work.
(function($) {
    $.fn.ajaxProMethod = function(method_name, data, callback) {
        if(ajaxProPath) {
            $.ajax({
                type: 'POST',
                url: ajaxProPath,
                data: JSON.stringify(data),
                dataType: 'json',
                contentType: 'text/plain; charset=utf-8',
                timeout: 15000,
                beforeSend: function(xhr) {
                    xhr.setRequestHeader("X-AjaxPro-Method", method_name);
                },
                error: function(xhr, status, error) {
                    if(status == 'timeout') {
                        alert('The request timed out.')
                    }
                },
                success: function(s) {
                    var error = $(s).attr('error');
                    if(error) {
                        alert('Server returned an error:\n'+ error.Message +'\n('+ error.Type +')');
                    } else if(callback) {
                        callback(s);
                    }
                }
            });
        } else {
            alert('Cannot connect to AjaxPro, path not set.');
        }
    };
})(jQuery);