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How to use JQuery/Ajax in my case?

 
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heohni
Smarty Regular


Joined: 20 Sep 2006
Posts: 40
PostPosted: Wed Jun 30, 2010 1:47 pm    Post subject: How to use JQuery/Ajax in my case? Reply with quote
Hi,

I have this template:

Code:

<select name="loc" size="1">
                <option value="0">##NG_ALL_TOWNS##</option>
            {foreach from=$cities key="key" item="value"}
...
...


On Change of another select box, I would like to update this select above.
In better words, I would like to call a jquery ajax function wich gives me the content for $cities back.

My question now, how can I load the new content of the variable $cities into my template on runtime?

I do not want to replace the html, I would like to keep the smarty foreach, as later in the select I have to do other smarty related things, so I dont want to disturb my oriinal way of doing.

Thanks folks in advance!!
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mohrt
Administrator


Joined: 16 Apr 2003
Posts: 7368
Location: Lincoln Nebraska, USA
PostPosted: Wed Jun 30, 2010 1:50 pm    Post subject: Reply with quote
You can't. Smarty variables are parsed on the server-side. You need to do your work client-side in javascript, no different than how you would handle it with just PHP.
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heohni
Smarty Regular


Joined: 20 Sep 2006
Posts: 40
PostPosted: Wed Jun 30, 2010 3:12 pm    Post subject: Reply with quote
Pitty... but I understand what you are saying.

The only possible way would be to replace the html via jquery?
Because server-side means page refresh needed, right?
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mohrt
Administrator


Joined: 16 Apr 2003
Posts: 7368
Location: Lincoln Nebraska, USA
PostPosted: Wed Jun 30, 2010 3:28 pm    Post subject: Reply with quote
Get it working with just PHP first, then use the same client-side code using Smarty. There are lots of scripts around the web that dynamically replace HTML elements with ajax/javascript. Any of them should work the same.
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