// This is the object to use, along with the Execute function (below)
var RS = new RemoteScripting();
// Remote Scripting class.
// This class should NOT be instanciated -- use the global RS object.
function RemoteScripting()
{
this.pool = new Array();
this.poolSize = 0;
this.maxPoolSize = 100;
this.usePOST = true;
this.debug = false;
this.skipPostFields = '';
// Sniff the browser
if (document.layers)
this.browser = "NS";
else if (document.all)
{
var agent = navigator.userAgent.toLowerCase();
if (agent.indexOf("opera") != -1)
this.browser = "OPR";
else if (agent.indexOf("konqueror") != -1)
this.browser = "KONQ";
else
this.browser = "IE";
}
else if (document.getElementById)
this.browser = "MOZ";
else
this.browser = "OTHER";
}
// Executes a remote method found on a given URL.
// Usage: Execute(url, method, p1, ... pn, callback, callbackForError, c1, c2, c3)
// url : url of file containing method to invoke
// method : name of the Server-side method to be invoked
// p1...pn : any parameters to be passed to the Server-side method
// callback : optional JavaScript function to call on successful return.
// callbackForError : optional JavaScript function to call on failed return.
// If not passed and an error occurs, an alert box is shown.
// c1,c2,c3 : optional parameters to pass to the callback(s) along with the
// result from the remote method.
RemoteScripting.prototype.Execute = function(url, callBck)
{
var call = this.getAvailableCall();
call.callback = callBck;
call.showIfDebugging();
if (this.usePOST && ((this.browser == 'IE') || (this.browser == 'MOZ'))){
call.POST(url);
}else{
call.GET(url);
}
return this.id;
}
// Pops up a separate window containing Debug information.
// You can attach this to the F1 key for IE with onHelp = "return RS.showDebugInfo() in the body tag.
RemoteScripting.prototype.PopupDebugInfo = function()
{
var doc = window.open().document;
doc.open();
doc.write('Pool Size: ' + this.poolSize + ' ');
for (var i = 0; i < this.pool; i++)
{
var call = this.pool[i];
doc.write('' + call.id + ' : ' + (call.busy ? 'busy' : 'available') + ' ');
doc.write(call.container.document.location.pathname + ' ');
doc.write(call.container.document.location.search + ' ');
doc.write('
' + call.container.document.body.innerHTML + '
');
}
doc.write('');
doc.close();
return false;
}
// Convenience function which parses the given HTML text filled with option tags
// and repopulates given drop-down element with them.
RemoteScripting.prototype.ReplaceOptions = function(element, optionsHTML)
{
// Remove any existing options
while (element.options.length > 0)
element.options[0] = null;
// Create an array of each item for the dropdown
var options = optionsHTML.split("");
var selectIndex = 0;
// Fill 'er up
for (var i = 0; i < options.length - 1; i++)
{
aValueText = options[i].split(">");
option = new Option;
option.text = aValueText[1];
// Extract the value
var firstQuote = aValueText[0].indexOf("'");
var lastQuote = aValueText[0].lastIndexOf("'");
if (firstQuote > 0 && lastQuote > firstQuote + 1)
option.value = aValueText[0].substring(firstQuote + 1, lastQuote);
// Check if it's selected
if (aValueText[0].indexOf('selected') > 0)
selectIndex = i;
element.options[element.options.length] = option;
}
element.options[selectIndex].selected = true;
}
// Convenience function which parses the given HTML text filled with option tags
// and repopulates given drop-down element with them.
// This function is like the one above with the parameters reversed so that it
// can be passed directly into RS.Execute.
RemoteScripting.prototype.ReplaceOptions2 = function(optionsHTML, element)
{
RS.ReplaceOptions(element, optionsHTML);
window.status = "";
}
// Retrieves an available Call object from the pool.
// This function is used internally and should be treated as private.
RemoteScripting.prototype.getAvailableCall = function()
{
for (var i = 0; i < this.poolSize; i++)
{
var call = this.pool['C' + (i + 1)];
if (!call.busy)
{
call.busy = true;
return this.pool[call.id];
}
}
// If we got here, there are no existing free calls
if (this.poolSize <= this.maxPoolSize)
{
var callID = "C" + (this.poolSize + 1);
this.pool[callID] = new RemoteScriptingCall(callID);
this.pool[callID].skipPostFieldsList = this.skipPostFields;
this.poolSize++;
return this.pool[callID];
}
alert("RemoteScripting Error: Call pool is full (no more than 100 calls can be made simultaneously).");
return null;
}
// Remote Scripting Call class.
// This class should NOT be instanciated -- this is used by the RS object's pool.
function RemoteScriptingCall(callID)
{
this.id = callID;
this.busy = true;
this.callback = null;
this.callbackForError = null;
this.callbackArgs = new Array();
this.skipPostFieldsList = '';
switch (RS.browser)
{
case 'IE':
document.body.insertAdjacentHTML("afterBegin", '');
var span = document.all("SPAN" + callID);
var html = '';
span.innerHTML = html;
span.style.display = 'none';
this.container = window.frames[callID];
break;
case 'NS':
this.container = new Layer(100);
this.container.name = callID;
this.container.visibility = 'hidden';
this.container.clip.width = 100;
this.container.clip.height = 100;
break;
case 'MOZ':
var span = document.createElement('SPAN');
span.id = "SPAN" + callID;
document.body.appendChild(span);
var iframe = document.createElement('IFRAME');
iframe.id = callID;
iframe.name = callID;
iframe.style.width = 800;
iframe.style.height = 200;
span.appendChild(iframe);
this.container = iframe;
break;
case 'OPR':
var span = document.createElement('SPAN');
span.id = "SPAN" + callID;
document.body.appendChild(span);
var iframe = document.createElement('IFRAME');
iframe.id = callID;
iframe.name = callID;
iframe.style.width = 800;
iframe.style.height = 200;
span.appendChild(iframe);
this.container = iframe;
break;
case 'KONQ':
default:
var span = document.createElement('SPAN');
span.id = "SPAN" + callID;
document.body.appendChild(span);
var iframe = document.createElement('IFRAME');
iframe.id = callID;
iframe.name = callID;
iframe.style.width = 800;
iframe.style.height = 200;
span.appendChild(iframe);
this.container = iframe;
// Needs to be hidden for Konqueror, otherwise it'll appear on the page
span.style.display = none;
iframe.style.display = none;
iframe.style.visibility = hidden;
iframe.height = 0;
iframe.width = 0;
}
}
// Posts to the given url to have it invoke the given method.
// This function is used internally and should be treated as private.
RemoteScriptingCall.prototype.POST = function(url, method, args)
{
var d = new Date();
var unique = d.getTime() + '' + Math.floor(1000 * Math.random());
var doc = (RS.browser == "IE") ? this.container.document : this.container.contentDocument;
var paramSep = (url.lastIndexOf('?') < 0 ? '?' : '&');
doc.open();
doc.write('');
doc.write('');
doc.close();
doc.forms['rsForm'].submit();
//periodicCheck(this.id);
}
/*
var isCheckedRS=false;
function periodicCheck(callID)
{
if (isCheckedRS==false){
var IDc = RS.pool[callID].payloadID();
if (IDc==callID) {
isCheckedRS=false;
RS.pool[callID].setResult(true)
}
//checkArr();
setTimeout('periodicCheck("'+callID+'")',300);
}
}
*/
// Navigates to the given url to have it invoke the given method.
// This function is used internally and should be treated as private.
RemoteScriptingCall.prototype.GET = function(url)
{
// build URL to call
var URL = url;
var paramSep = (url.lastIndexOf('?') < 0 ? '?' : '&');
// always send call
URL += paramSep + "RC=" + this.id;
// unique string to defeat cache
var d = new Date();
URL += "&U=" + d.getTime();
// make the call
switch (RS.browser)
{
case 'IE':
this.container.document.location.replace(URL);
break;
case 'NS':
this.container.src = URL;
break;
case 'MOZ':
case 'OPR':
case 'KONQ':
default:
this.container.src = '';
this.container.src = URL.replace('&','&');
break;
}
}
// Sets the result of the call of the remote method.
// This function is designed to be called only when the response is received.
RemoteScriptingCall.prototype.setResult = function(result)
{
this.busy = false;
var argsCount = this.callbackArgs.length;
if (result == true)
{
if (this.callback != null)
this.callback(this.unescape(this.getPayload()), argsCount > 0 ? this.callbackArgs[0] : null, argsCount > 1 ? this.callbackArgs[1] : null, argsCount > 2 ? this.callbackArgs[2] : null);
}
else
{
if (this.callbackForError == null)
alert(this.unescape(this.getPayload()));
else
this.callbackForError(this.unescape(this.getPayload()), argsCount > 0 ? this.callbackArgs[0] : null, argsCount > 1 ? this.callbackArgs[1] : null, argsCount > 2 ? this.callbackArgs[2] : null);
}
this.callback = null;
this.callbackForError = null;
this.callbackArgs = new Array();
}
// Retrieves the payload's message sent by the response.
// This function is used internally and should be treated as private.
RemoteScriptingCall.prototype.getPayload = function()
{
switch (RS.browser)
{
case 'IE':
return this.container.document.forms['rsForm']['rsPayload'].value;
case 'NS':
return this.container.document.forms['rsForm'].elements['rsPayload'].value;
case 'MOZ':
return window.frames[this.container.name].document.forms['rsForm']['rsPayload'].value;
case 'OPR':
return window.frames[this.container.name].document.forms['rsForm']['rsPayload'].value;
case 'KONQ':
default:
return window.frames[this.container.name].document.getElementById("rsPayload").value;
}
}
RemoteScriptingCall.prototype.payloadID = function()
{
switch (RS.browser)
{
case 'IE':
if (
this.container.document
){if (
this.container.document.forms['rsForm']
){if (
this.container.document.forms['rsForm']['rsPayload']
){return this.container.document.forms['rsForm']['callID'].value;}}}return null;
case 'NS':
if (
this.container.document
){if (
this.container.document.forms['rsForm']
){if (
this.container.document.forms['rsForm'].elements['rsPayload']
){return this.container.document.forms['rsForm'].elements['callID'].value;}}}return null;
case 'MOZ':
if (
window.frames[this.container.name].document
){if (
window.frames[this.container.name].document.forms['rsForm']
){if (
window.frames[this.container.name].document.forms['rsForm']['rsPayload']
){return window.frames[this.container.name].document.forms['rsForm']['callID'].value;}}}return null;
case 'OPR':
if (
window.frames[this.container.name].document
){if (
window.frames[this.container.name].document.forms['rsForm']
){if (
window.frames[this.container.name].document.forms['rsForm']['rsPayload']
){return window.frames[this.container.name].document.forms['rsForm']['callID'].value;}}}return null;
case 'KONQ':
default:
if (
window.frames[this.container.name].document
){if (
window.frames[this.container.name].document.getElementById
){if (
window.frames[this.container.name].document.getElementById("rsPayload")
){return window.frames[this.container.name].document.getElementById("callID").value;}}}return null;
}
}
// Shows (or hides) elements on the page that assist in debugging, based on RS.debug.
// This function is used internally and should be treated as private.
RemoteScriptingCall.prototype.showIfDebugging = function()
{
var vis = (RS.debug == true);
switch (RS.browser)
{
case 'IE':
document.all("SPAN" + this.id).style.display = (vis) ? '' : 'none';
break;
case 'NS':
this.container.visibility = (vis) ? 'show' : 'hidden';
break;
case 'MOZ':
case 'OPR':
case 'KONQ':
default:
document.getElementById("SPAN" + this.id).style.visibility = (vis) ? '' : 'hidden';
this.container.width = (vis) ? 250 : 0;
this.container.height = (vis) ? 100 : 0;
break;
}
}
// Converts a string to allow it to be properly passed down as a parameter to the page.
// This function is used internally and should be treated as private.
RemoteScriptingCall.prototype.escapeParam = function(str)
{
return str.replace(/'"'/g, '\\"');
}
// Converts a string to allow it to be properly read back from the server.
// This function is used internally and should be treated as private.
RemoteScriptingCall.prototype.unescape = function(str)
{
return str.replace(/\\\//g, "/");
}
function replaceObjectRemote(res,id){
var doc2=window.frames[res].document
var el = document.getElementById(id)
var el2 = doc2.getElementById(id)
if (el2.outerHTML!='undefined'){
el.outerHTML=el2.outerHTML;
}else{
newTmpNode2 = doc2.createElement("SPAN")
newTmpNode = document.createElement("SPAN")
el2.parentNode.replaceChild(newTmpNode2,el2)
newTmpNode2.appendChild(el2)
el.parentNode.replaceChild(newTmpNode,el)
newTmpNode.innerHTML=newTmpNode2.innerHTML
elc=newTmpNode.childNodes(0);
elc.parentNode.replaceChild(newTmpNode,elc)
}
}