function doAjaxCall(callURL){
var html = $.ajax({
type : 'POST',
url : callURL,
data : 'BIZ_ACTION_MODE=',
async : false,
beforeSend: function(request) {
showHideDiv('loadingDiv','FADE');
},
complete: function(request){
if(request.responseText
!= "" && request.responseText.indexOf
("404 Page not found") == -1){
alert("[Server
Accessible]");
}else {
alert("[Server
Inaccessible]");
var xhr = createXHR();
xhr.open('GET',
callURL);
xhr.onreadystatechange = function(){
if
(xhr.readyState == 4){
handleResponse(xhr.responseText)
}
};
xhr.send();
}
},
success : function(html){
handleResponse(html);
}
}).responseText;
}
function createXHR(){
var xhr = google.gears.factory.create('beta.httprequest');
if(!xhr){
try{
xhr = new ActiveXObject('Msxml2.XMLHTTP');
}catch (err1){
try {
xhr = new ActiveXObject('Microsoft.XMLHTTP');
}catch (err2){
try {
xhr = new XMLHttpRequest();
}catch (err3){
xhr = false;
}
}
}
}
return xhr;
}
thanks for ur kind reply, I got the solution as posted above.
Thanks
Amit Kumar Verma
On Mar 30, 11:54 am, sobolanul <[email protected]> wrote:
> You have to reproduce the functionality of the server side request to
> local js and call the corresponding function.
>
> Example: let's say that you make an ajax requets to server and pass 2
> parameters and server responds with the sum of them and also with an
> "element.update" statement to modify the HTML in your page. You will
> need to create a js function with same functionality (it is entirely
> possible) and when in offline mode don't do an ajax request to server,
> but directly call the js function with same functionality (sum the
> numbers and update the HTML).
> What I did on my heavy ajax site, I made a class (Server) and I don't
> direcly make ajax calls, I call my Server.call_function(functionName)
> and call_function will make an ajax request if server is available for
> named function or will call the offline version that was previous
> mapped.
>
> On Mar 28, 12:53 pm, Amit Kumar Verma <[email protected]> wrote:
>
> > Hi All,
>
> > I am trying to make a prototype using google gear, and succeed in
> > database synchronization, capturing the files, css and scripts etx. I
> > want to use Single Page Layout where each request will be Ajax request
> > only.
>
> > My problem is gear in not intercepting my ajax call when there is no
> > server [offline mode]. Basically when there is no server, we can't
> > make an ajax request and thus gear can't intercept that request. Do
> > there is any solution to this problem, means can't we make an dummy
> > ajax request which will be intercepted by gear. If this is not
> > possible then we can't implement Single page layout using gear !!???
>
> > Thanks
> > Amit Kuma Verma.
