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HomeHomeDNN Open Source...DNN Open Source...Provider and Extension ForumsProvider and Extension ForumsClientAPIClientAPIInteresting problem with clientcallbackInteresting problem with clientcallback
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9/23/2006 12:36 AM
 
Dylan Barber


www.braindice.com
Joined: 4/25/2003
Posts: 715

I have created a skin object that uses the client API for clientcallbacks - while testing it came up with some weird results when this skin object is on the same page as the AJAX 'helloajax' module

apparently they interfere with each other -

If I load the blue or red control and then try to activte my skin object (client call back sets a flag in the database) I get an object is required message

After looking at it I had a function named the same - I have read about making JS scripts more object oriented which if you could give your script a sort of 'namespace' this sort of thing might not happen

Where can I dig up info on making sure my scripts have there own space and dont interfere with other scripts on the page?

TIA

Dylan Barber http://www.braindice.com - Dotnetnuke development classes - skins and modules
 
New Post
9/25/2006 1:35 PM
 
Jon Henning

www.codeendeavors.com
Joined: 3/20/2003
Posts: 1767

The entire ClientAPI is coded this way.  For simplicity sake, the helloworld module is not.

Usually you can simply prefix your function names with something like 

function codegalaxy_myfunction(param1)
{
  alert(param1);
}

The way I handle it in dnn is to create a root object and use prototypes.

Edited

function codegalaxy()
{
}
codegalaxy.prototype =
{
  myfunction: function (param1)
  {
    alert(param1);
  }
{
 
Then call it with codegalaxy.myfunction('test');
 
 
New Post
9/25/2006 3:37 PM
 
Dylan Barber


www.braindice.com
Joined: 4/25/2003
Posts: 715
Not being a JS guru like you  The whole prototypes thing is what I was looking for - thanks
Dylan Barber http://www.braindice.com - Dotnetnuke development classes - skins and modules
 
New Post
9/26/2006 9:39 PM
 
Dylan Barber


www.braindice.com
Joined: 4/25/2003
Posts: 715

Okay got some of this I think

rewrote my functions like so

function Codegalaxy()

{

}

Codegalaxy.prototype =

{

successAddBookMark: function (result,ctx)

{

var sSubImage;

var sMessageBox;

switch(result)

{

case 'auth_neg' :

sRedirect = dnn.getVar('LoggedOutRedirect');

document.location.href = sRedirect ;

break;

case '1' :

sSubImage = dnn.getVar('RemoveImage');

sMessageBox = 'Bookmark Added';

dnn.dom.getById(ctx.id).src = result;

break;

default :

sSubImage = dnn.getVar('AddImage');

sMessageBox = 'Bookmark Removed';

}

dnn.dom.getById(ctx.id).src = sSubImage;

dnn.dom.getById(ctx.id).display = 'none';

dnn.dom.getById('yes_no').innerHTML = sMessageBox;

Codegalaxy_fadetext();

dnn.dom.getById(ctx.id).display = 'block';

}

}

but now I keep getting Codegalaxy is undefined - can you point me to some reference stuff on writing scripts with prototypes so I can try and figure out what the hell I am doing.

Dylan Barber http://www.braindice.com - Dotnetnuke development classes - skins and modules
 
New Post
9/27/2006 9:33 AM
 
Jon Henning

www.codeendeavors.com
Joined: 3/20/2003
Posts: 1767

There is a ton of references out there for writing objects.  One thing I don't think I was clear on is that your definitions are the defining of a class with methods, you still need to instantiate the object.  Edit:  In fact looking back at the sample I gave you I was not clear, for I oversimplified it by using the same name.  Sorry about that.

var cg = new Codegalaxy();

cg.someMethod();

However, I also want to note that this is not the only solution to your problem.  You could simply name your methods

function Codegalaxy_someMethod()

Which would be a whole lot easier.
 
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