// JavaScript Document /* x_hd.js compiled from X 4.0 with XC 0.28b. Distributed under GNU LGPL. 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e.yTarget = y; e.slideTime = uTime; e.stop = false;e.yA = e.yTarget - st;e.xA = e.xTarget - sl; e.B = Math.PI / (2 * e.slideTime); e.yD = st;e.xD = sl; var d = new Date(); e.C = d.getTime();if (!e.moving) {xWinScrollWin = e;_xWinScrollTo();}}function _xWinScrollTo() {var e = xWinScrollWin || window;var now, s, t, newY, newX;now = new Date();t = now.getTime() - e.C;if (e.stop) { e.moving = false; }else if (t < e.slideTime) {setTimeout("_xWinScrollTo()", e.timeout);s = Math.sin(e.B * t);newX = Math.round(e.xA * s + e.xD);newY = Math.round(e.yA * s + e.yD);e.scrollTo(newX, newY);e.moving = true;} else {e.scrollTo(e.xTarget, e.yTarget);xWinScrollWin = null;e.moving = false;} }function xZIndex(e,uZ){if(!(e=xGetElementById(e))) return 0;if(e.style && xDef(e.style.zIndex)) {if(xNum(uZ)) e.style.zIndex=uZ;uZ=parseInt(e.style.zIndex);}return uZ;} /** * CPAINT - Cross-Platform Asynchronous INterface Toolkit * * http://cpaint.sourceforge.net * * released under the terms of the LGPL * see http://www.fsf.org/licensing/licenses/lgpl.txt for details * * $Id$ * $Log$ * Revision 1.19 2005/09/03 16:40:21 saloon12yrd * 2.0.1 RC1 * - improved AJAX capability check * - taking use_cpaint_api == false into account in cpaint_call.call_proxy() * - updated versions * - updated changelog * - added text changelog to release branch * * Revision 1.17 2005/08/17 15:52:04 saloon12yrd * added automatic detection / conversion of numeric values * * Revision 1.10 2005/08/02 19:02:43 saloon12yrd * removed debugging code * * Revision 1.5 2005/07/14 17:14:20 saloon12yrd * added support for arbitrary XML attributes * * * @package CPAINT * @access public * @copyright Copyright (c) 2005 Paul Sullivan, Dominique Stender - http://cpaint.sourceforge.net * @author Paul Sullivan * @author Dominique Stender * @version 2.0.1 */ function cpaint() { /** * configuration options both for this class but also for the cpaint_call() objects. * * @access protected * @var array config */ var config = new Array(); config['debugging'] = 0; config['proxy_url'] = ''; config['transfer_mode'] = 'GET'; config['async'] = true; config['response_type'] = 'OBJECT'; config['persistent_connection'] = false; config['use_cpaint_api'] = true; /** * maintains the next free index in the stack * * @access protected * @var integer stack_count */ var stack_count = 0; /** * property returns whether or not the browser is AJAX capable * * @access public * @return boolean */ //this.capable = test_ajax_capability(); this.capable = false; /** * switches debug mode on/off. * * @access public * @param boolean debug debug flag * @return void */ this.set_debug = function() { if (typeof arguments[0] == 'boolean') { if (arguments[0] === true) { config['debugging'] = 1; } else { config['debugging'] = 0; } } else if (typeof arguments[0] == 'number') { config['debugging'] = Math.round(arguments[0]); } } /** * defines the URL of the proxy script. * * @access public * @param string proxy_url URL of the proxyscript to connect * @return void */ this.set_proxy_url = function() { if (typeof arguments[0] == 'string') { config['proxy_url'] = arguments[0]; } } /** * sets the transfer_mode (GET|POST). * * @access public * @param string transfer_mode transfer_mode * @return void */ this.set_transfer_mode = function() { if (arguments[0].toUpperCase() == 'GET' || arguments[0].toUpperCase() == 'POST') { config['transfer_mode'] = arguments[0].toUpperCase(); } } /** * sets the flag whether or not to use asynchronous calls. * * @access public * @param boolean async syncronization flag * @return void */ this.set_async = function() { if (typeof arguments[0] == 'boolean') { config['async'] = arguments[0]; } } /** * defines the response type. * * allowed values are: * TEXT = raw text response * XML = raw XMLHttpObject * OBJECT = parsed JavaScript object structure from XMLHttpObject * * the default is OBJECT. * * @access public * @param string response_type response type * @return void */ this.set_response_type = function() { if (arguments[0].toUpperCase() == 'TEXT' || arguments[0].toUpperCase() == 'XML' || arguments[0].toUpperCase() == 'OBJECT') { config['response_type'] = arguments[0].toUpperCase(); } } /** * sets the flag whether or not to use a persistent connection. * * @access public * @param boolean persistent_connection persistance flag * @return void */ this.set_persistent_connection = function() { if (typeof arguments[0] == 'boolean') { config['persistent_connection'] = arguments[0]; } } /** * sets the flag whether or not to use the cpaint api on the backend. * * @access public * @param boolean cpaint_api api_flag * @return void */ this.set_use_cpaint_api = function() { if (typeof arguments[0] == 'boolean') { config['use_cpaint_api'] = arguments[0]; } } /** * tests whether one of the necessary implementations * of the XMLHttpRequest class are available * * @access protected * @return boolean */ function test_ajax_capability() { var cpc = new cpaint_call(0); return cpc.test_ajax_capability(); } /** * takes the arguments supplied and triggers a call to the CPAINT backend * based on the settings. * * upon response cpaint_call.callback() will automatically be called * to perform post-processing operations. * * @access public * @param string url remote URL to call * @param string remote_method remote method to call * @param object client_callback client side callback method to deliver the remote response to. do NOT supply a string! * @param mixed argN remote parameters from now on * @return void */ this.call = function() { var use_stack = -1; if (config['persistent_connection'] == true && typeof __cpaint_stack[0] == 'object') { switch (__cpaint_stack[0].get_http_state()) { case -1: // no XMLHttpObject object has already been instanciated // create new object and configure it use_stack = 0; debug('no XMLHttpObject object to re-use for persistence, creating new one later', 2); break; case 4: // object is ready for a new request, no need to do anything use_stack = 0 debug('re-using the persistent connection', 2); break; default: // connection is currently in use, don't do anything debug('the persistent connection is in use - skipping this request', 2); } } else if (config['persistent_connection'] == true) { // persistent connection is active, but no object has been instanciated use_stack = 0; __cpaint_stack[use_stack] = new cpaint_call(use_stack); debug('no cpaint_call object available for re-use, created new one', 2); } else { // no connection persistance use_stack = stack_count; __cpaint_stack[use_stack] = new cpaint_call(use_stack); debug('no cpaint_call object created new one', 2); } // configure cpaint_call if allowed to if (use_stack != -1) { __cpaint_stack[use_stack].set_debug(config['debugging']); __cpaint_stack[use_stack].set_proxy_url(config['proxy_url']); __cpaint_stack[use_stack].set_transfer_mode(config['transfer_mode']); __cpaint_stack[use_stack].set_async(config['async']); __cpaint_stack[use_stack].set_response_type(config['response_type']); __cpaint_stack[use_stack].set_persistent_connection(config['persistent_connection']); __cpaint_stack[use_stack].set_use_cpaint_api(config['use_cpaint_api']); __cpaint_stack[use_stack].set_client_callback(arguments[2]); // distribute according to proxy use if (config['proxy_url'] != '') { __cpaint_stack[use_stack].call_proxy(arguments); } else { __cpaint_stack[use_stack].call_direct(arguments); } // increase stack counter stack_count++; debug('stack size: ' + __cpaint_stack.length, 2); } } /** * debug method * * @access protected * @param string message the message to debug * @param integer debug_level debug level at which the message appears * @return void */ var debug = function(message, debug_level) { if (config['debugging'] >= debug_level) { alert('[CPAINT Debug] ' + message); } } } /** * internal FIFO stack of cpaint_call() objects. * * @access protected * @var array __cpaint_stack */ var __cpaint_stack = new Array(); /** * local instance of cpaint_transformer * MSIE is unable to handle static classes... sheesh. * * @access public * @var object __cpaint_transformer */ var __cpaint_transformer = new cpaint_transformer(); /** * transport agent class * * creates the request object, takes care of the response, handles the * client callback. Is configured by the cpaint() object. * * @package CPAINT * @access public * @copyright Copyright (c) 2005 Paul Sullivan, Dominique Stender - http://cpaint.sourceforge.net * @author Dominique Stender * @author Paul Sullivan * @param integer stack_id stack Id in cpaint * @version 2.0.0 */ function cpaint_call() { /** * whether or not debugging is used. * * @access public * @var boolean debugging */ var debugging = false; /** * XMLHttpObject used for this request. * * @access protected * @var object httpobj */ var httpobj = false; /** * URL of the proxy script to use. * the proxy script is necessary only if data from remote domains is to be retrieved. * * @access public * @var string proxy_url */ var proxy_url = ''; /** * HTTP transfer mode. * * allowed values: (GET|POST), default is GET in respect to Operas deficiencies. * * @access public * @var string transfer_mode */ var transfer_mode = 'GET'; /** * configuration option whether request/response pairs * are meant to be performed synchronous or asynchronous. * * default is asynchronous, since synchronized calls aren't completely supported in most browsers. * * @access public * var boolean async */ var async = true; /** * response type (TEXT|XML|OBJECT). * * @access public * @var string response_type */ var response_type = 'OBJECT'; /** * whether or not to use a persistent connection * to the server side. * * default is false (new connection on every call). * * @access public * @var boolean persistent_connection */ var persistent_connection = false; /** * whether or not to use the cpaint api on the backend * * default is true (uses cpaint api) * * @access public * @var boolean cpaint_api */ var use_cpaint_api = true; /** * client callback function. * * @access public * @var function client_callback */ var client_callback; /** * stores the stack Id within the cpaint object * * @access protected * @var stack_id */ var stack_id = arguments[0]; /** * switches debug mode on/off (0|1|2). * * @access public * @param integer debug debug flag * @return void */ this.set_debug = function() { if (typeof arguments[0] == 'number') { debugging = Math.round(arguments[0]); } } /** * defines the URL of the proxy script. * * @access public * @param string proxy_url URL of the proxyscript to connect * @return void */ this.set_proxy_url = function() { if (typeof arguments[0] == 'string') { proxy_url = arguments[0]; } } /** * sets the transfer_mode (GET|POST). * * @access public * @param string transfer_mode transfer_mode * @return void */ this.set_transfer_mode = function() { if (arguments[0].toUpperCase() == 'GET' || arguments[0].toUpperCase() == 'POST') { transfer_mode = arguments[0].toUpperCase(); } } /** * sets the flag whether or not to use asynchronous calls. * * @access public * @param boolean async syncronization flag * @return void */ this.set_async = function() { if (typeof arguments[0] == 'boolean') { async = arguments[0]; } } /** * defines the response type. * * allowed values are: * TEXT = raw text response * XML = raw XMLHttpObject * OBJECT = parsed JavaScript object structure * * default is OBJECT. * * @access public * @param string response_type response type * @return void */ this.set_response_type = function() { if (arguments[0].toUpperCase() == 'TEXT' || arguments[0].toUpperCase() == 'XML' || arguments[0].toUpperCase() == 'OBJECT') { response_type = arguments[0].toUpperCase(); } } /** * sets the flag whether or not to use a persistent connection. * * @access public * @param boolean persistent_connection persistance flag * @return void */ this.set_persistent_connection = function() { if (typeof arguments[0] == 'boolean') { persistent_connection = arguments[0]; } } /** * sets the flag whether or not to use the cpaint api on the backend. * * @access public * @param boolean cpaint_api api_flag * @return void */ this.set_use_cpaint_api = function() { if (typeof arguments[0] == 'boolean') { use_cpaint_api = arguments[0]; } } /** * sets the client callback function. * * @access public * @param function client_callback the client callback function * @return void */ this.set_client_callback = function() { if (typeof arguments[0] == 'function') { client_callback = arguments[0]; } } /** * returns the ready state of the internal XMLHttpObject * * if no such object was set up already, -1 is returned * * @access public * @return integer */ this.get_http_state = function() { var return_value = -1; if (typeof httpobj == 'object') { return_value = httpobj.readyState; } return return_value; } /** * internal method for remote calls to the local server without use of the proxy script. * * @access public * @param array call_arguments array of arguments initially passed to cpaint.call() * @return void */ this.call_direct = function(call_arguments) { var url = call_arguments[0]; var remote_method = call_arguments[1]; var querystring = ''; var i = 0; // correct link to self if (url == 'SELF') { url = document.location.href; } if (use_cpaint_api == true) { // backend uses cpaint api // pass parameters to remote method for (i = 3; i < call_arguments.length; i++) { querystring += '&cpaint_argument[]=' + encodeURIComponent(call_arguments[i]); } // add response type to querystring querystring += '&cpaint_response_type=' + response_type; // build header if (transfer_mode == 'GET') { url = url + '?cpaint_function=' + remote_method + querystring; } else { querystring = 'cpaint_function=' + remote_method + querystring; } } else { // backend does not use cpaint api // pass parameters to remote method for (i = 3; i < call_arguments.length; i++) { if (i == 3) { querystring += encodeURIComponent(call_arguments[i]); } else { querystring += '&' + encodeURIComponent(call_arguments[i]); } } // build header if (transfer_mode == 'GET') { url = url + querystring; } } // open connection get_connection_object(); // open connection to remote target debug('opening connection to "' + url + '"', 1); httpobj.open(transfer_mode, url, async); // send "urlencoded" header if necessary (if POST) if (transfer_mode == "POST") { try { httpobj.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); } catch (cp_err) { alert('ERROR! POST cannot be completed due to incompatible browser. Use GET as your request method.'); } } // callback handling for asynchronous calls httpobj.onreadystatechange = callback; // send content if (transfer_mode == 'GET') { httpobj.send(null); } else { debug('sending query: ' + querystring, 1); httpobj.send(querystring); } if (async == false) { // manual callback handling for synchronized calls callback(); } } /** * internal method for calls to remote servers through the proxy script. * * @access public * @param array call_arguments array of arguments passed to cpaint.call() * @return void */ this.call_proxy = function(call_arguments) { var proxyscript = proxy_url; var url = call_arguments[0]; var remote_method = call_arguments[1]; var querystring = ''; var i = 0; var querystring_argument_prefix = 'cpaint_argument[]='; // pass parameters to remote method if (use_cpaint_api == false) { // when not talking to a CPAINT backend, don't prefix arguments querystring_argument_prefix = ''; } for (i = 3; i < call_arguments.length; i++) { querystring += encodeURIComponent(querystring_argument_prefix + call_arguments[i] + '&'); } if (use_cpaint_api == true) { // add remote function name to querystring querystring += encodeURIComponent('&cpaint_function=' + remote_method); // add response type to querystring querystring += encodeURIComponent('&cpaint_responsetype=' + response_type); } // build header if (transfer_mode == 'GET') { proxyscript += '?cpaint_remote_url=' + encodeURIComponent(url) + '&cpaint_remote_query=' + querystring + '&cpaint_remote_method=' + transfer_mode + '&cpaint_response_type=' + response_type; } else { querystring = 'cpaint_remote_url=' + encodeURIComponent(url) + '&cpaint_remote_query=' + querystring + '&cpaint_remote_method=' + transfer_mode + '&cpaint_response_type=' + response_type; } // open connection get_connection_object(); // open connection to remote target debug('opening connection to proxy "' + proxyscript + '"', 1); httpobj.open(transfer_mode, proxyscript, async); // send "urlencoded" header if necessary (if POST) if (transfer_mode == "POST") { try { httpobj.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); } catch (cp_err) { alert('[CPAINT Error] POST cannot be completed due to incompatible browser. Use GET as your request method.'); } } // callback handling for asynchronous calls httpobj.onreadystatechange = callback; // send content if (transfer_mode == 'GET') { httpobj.send(null); } else { debug('sending query: ' + querystring, 1); httpobj.send(querystring); } if (async == false) { // manual callback handling for synchronized calls callback(); } } this.test_ajax_capability = function() { return get_connection_object(); } /** * creates a new connection object. * * @access protected * @return boolean */ var get_connection_object = function() { var return_value = false; var new_connection = false; // open new connection only if necessary if (persistent_connection == false) { // no persistance, create a new object every time debug('Using new connection object', 1); new_connection = true; } else { // persistent connection object, only open one if no object exists debug('Using shared connection object.', 1); if (typeof httpobj != 'object') { debug('Getting new persistent connection object.', 1); new_connection = true; } } if (new_connection == true) { try { httpobj = new ActiveXObject('Msxml2.XMLHTTP'); } catch (e) { try { httpobj = new ActiveXObject('Microsoft.XMLHTTP'); } catch (oc) { httpobj = null; } } if (!httpobj && typeof XMLHttpRequest != 'undefined') { httpobj = new XMLHttpRequest(); } if (!httpobj) { //alert('[CPAINT Error] Could not create connection object'); return false; } else { return_value = true; } } // @todo: problem with asynchronous calls? if (httpobj.readyState != 4) { httpobj.abort(); } return return_value; } /** * internal callback function. * * will perform some consistency checks (response code, NULL value testing) * and if response_type = 'OBJECT' it will automatically call * cpaint_call.parse_ajax_xml() to have a JavaScript object structure generated. * * after all that is done the client side callback function will be called * with the generated response as single value. * * @access protected * @return void */ var callback = function() { var response = null; if (httpobj.readyState == 4) { debug(httpobj.responseText, 1); // fetch correct response switch (response_type) { case 'XML': response = __cpaint_transformer.xml_conversion(httpobj.responseXML); break; case 'OBJECT': response = __cpaint_transformer.object_conversion(httpobj.responseXML); break; case 'TEXT': response = __cpaint_transformer.text_conversion(httpobj.responseText); break; default: alert('[CPAINT Error] invalid response type \'' + response_type + '\''); } // call client side callback if (response != null && typeof client_callback == 'function') { client_callback(response, httpobj.responseText); } // remove ourselves from the stack remove_from_stack(); } } /** * removes an entry from the stack * * @access protected * @return void */ var remove_from_stack = function() { // remove only if everything is okay and we're not configured as persistent connection if (typeof stack_id == 'number' && __cpaint_stack[stack_id] && persistent_connection == false) { __cpaint_stack[stack_id] = null; } } /** * debug method * * @access protected * @param string message the message to debug * @param integer debug_level debug level at which the message appears * @return void */ var debug = function(message, debug_level) { if (debugging >= debug_level) { alert('[CPAINT Debug] ' + message); } } } /** * CPAINT transformation object * * @package CPAINT * @access public * @copyright Copyright (c) 2005 Paul Sullivan, Dominique Stender - http://cpaint.sourceforge.net * @author Paul Sullivan * @author Dominique Stender * @version 2.0.0 */ function cpaint_transformer() { /** * will take a XMLHttpObject and generate a JavaScript * object structure from it. * * is internally called by cpaint_call.callback() if necessary. * will call cpaint_call.create_object_structure() to create nested object structures. * * @access public * @param object xml_document a XMLHttpObject * @return object */ this.object_conversion = function(xml_document) { var return_value = new cpaint_result_object(); var i = 0; var firstNodeName = ''; if (typeof xml_document == 'object' && xml_document != null) { // find the first element node - for MSIE the node is the very first... for (i = 0; i < xml_document.childNodes.length; i++) { if (xml_document.childNodes[i].nodeType == 1) { firstNodeName = xml_document.childNodes[i].nodeName; break; } } var ajax_response = xml_document.getElementsByTagName(firstNodeName); return_value[firstNodeName] = new Array(); for (i = 0; i < ajax_response.length; i++) { var tmp_node = create_object_structure(ajax_response[i]); tmp_node.id = ajax_response[i].getAttribute('id') return_value[firstNodeName].push(tmp_node); } } else { alert('[CPAINT Error] received invalid XML response'); } return return_value; } /** * performs the necessary conversions for the XML response type * * @access public * @param object xml_document a XMLHttpObject * @return object */ this.xml_conversion = function(xml_document) { return xml_document; } /** * performs the necessary conversions for the TEXT response type * * @access public * @param string text_document the response text * @return string */ this.text_conversion = function(text) { return decode(text); } /** * this method takes a HTML / XML node object and creates a * JavaScript object structure from it. * * @access public * @param object stream a node in the XML structure * @return object */ var create_object_structure = function(stream) { var return_value = new cpaint_result_object(); var node_name = ''; var i = 0; var attrib = 0; if (stream.hasChildNodes() == true) { for (i = 0; i < stream.childNodes.length; i++) { node_name = decode(stream.childNodes[i].nodeName); node_name = node_name.replace(/[^a-zA-Z0-9]*/g, ''); // reset / create subnode if (typeof return_value[node_name] != 'object') { return_value[node_name] = new Array(); } if (stream.childNodes[i].nodeType == 1) { var tmp_node = create_object_structure(stream.childNodes[i]); for (attrib = 0; attrib < stream.childNodes[i].attributes.length; attrib++) { tmp_node.set_attribute(decode(stream.childNodes[i].attributes[attrib].nodeName), decode(stream.childNodes[i].attributes[attrib].nodeValue)); } return_value[node_name].push(tmp_node); } else if (stream.childNodes[i].nodeType == 3) { return_value.data = decode(stream.firstChild.data); } } } return return_value; } /** * converts an encoded text back to viewable characters. * * @access public * @param string rawtext raw text as provided by the backend * @return mixed */ var decode = function(rawtext) { var plaintext = ''; var i = 0; var c1 = 0; var c2 = 0; var c3 = 0; var u = 0; var t = 0; // remove special JavaScript encoded non-printable characters while (i < rawtext.length) { if (rawtext.charAt(i) == '\\' && rawtext.charAt(i + 1) == 'u') { u = 0; for (j = 2; j < 6; j += 1) { t = parseInt(rawtext.charAt(i + j), 16); if (!isFinite(t)) { break; } u = u * 16 + t; } plaintext += String.fromCharCode(u); i += 6; } else { plaintext += rawtext.charAt(i); i++; } } // convert numeric data to number type if (plaintext !== '' && !isNaN(plaintext) && isFinite(plaintext)) { plaintext = Number(plaintext); } return plaintext; } } /** * this is the basic prototype for a cpaint node object * as used in cpaint_call.parse_ajax_xml() * * @package CPAINT * @access public * @copyright Copyright (c) 2005 Paul Sullivan, Dominique Stender - http://cpaint.sourceforge.net * @author Paul Sullivan * @author Dominique Stender * @version 2.0.0 */ function cpaint_result_object() { this.id = 0; 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