http://bassistance.de/jquery-plugins/jquery-plugin-validation/ :)
Rick Faircloth wrote:
>
> Alright... now I've got this working very well.
>
> The only problem I have now is validation.
> I normally submit a page back to itself, run some
> checks on the form values and throw up any errors messages
> before the form processes.
>
> However, with the function "CalculateMortgage" below, I can't do that.
>
> So I need some input on how to use jQuery for validation.
>
> Is there some info somewhere that will walk me through that?
>
> I need the following validation for form input:
>
> Principal: There must be an entry and it must be a number after
> all "$ , ." are taken out.
>
> Interest: There must be an entry and it must be a number after
> a % sign which might be entered is taken out.
>
> Years: There must be an entry and the entry must be numerical.
>
> Can anyone point me to some validation technique info that I could
> draw from?
>
> Thanks!
>
> Rick
>
>
> ===
> Calc page:
>
> <script type="text/javascript" src="/js/jquery.js"></script>
>
> <script type="text/javascript">
>
> function CalculateMortgage(){
>
> var Params = {};
> // select all inputs of type text
> $("input:text").each(function(){
> Params[$(this).attr("name")] = $(this).val();
> });
> // "post" the form. The Param object mimics form fields
> $.post("/path/to/yourdatapage.cfm", Params,
> function(data){
> // this is the processing function.
> // append what you get back to the element
> with ID = Result after
> clearing its contents
> $("#Result").empty().append(data);
> }
> );
> }
>
> </script>
>
> <form name="f">
> <table>
> <tr>
> <td align="right"><strong>Principal:</strong></td>
> <td><input type="text" name="Principal"></td>
> </tr>
> <tr>
> <td align="right"><strong>Interest
> Rate:</strong></td>
> <td><input type="text" name="InterestRate"></td>
> </tr>
> <tr>
> <td align="right"><strong>Duration:</strong></td>
> <td><input type="text" name="Duration"></td>
> </tr>
> <tr>
> <td align="right"><strong>Result:</strong></td>
> <td><span id="Result"></span></td>
> </tr>
> <tr>
> <td align="right"> </td>
> <td><input type="button" value=" Calculate "
> onClick="CalculateMortgage();return false;"></td>
> </tr>
> </table>
> </form>
>
> ========
>
> Page from which you are getting the data:
>
> <cfsetting showdebugoutput="no"><cfset calc = form.Principal *
> form.InterestRate * form.Duration>
>
> <cfcontent reset="yes"><cfoutput>#DollarFormat(calc)#</cfoutput>
>
>
>
> Rick Faircloth wrote:
>>
>> Hi, Daemach...
>>
>> Thanks for the guidance, but unfortunately, I'm still using
>> CF 4.5, so CFC's are obviously not an option. I plan to
>> upgrade this summer to CF 8 and catch up with everyone.
>>
>> I was looking over your code, too... that complicated stuff!
>> (For someone just starting out, anyway...) After looking over
>> the code, I can begin to see how it's being done... just wish
>> I could use AjaxCFC!
>>
>> Thanks for your time and help!
>>
>> Rick
>>
>> -----Original Message-----
>> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
>> Behalf Of Daemach
>> Sent: Wednesday, February 28, 2007 6:00 PM
>> To: [email protected]
>> Subject: Re: [jQuery] Need some guidance...
>>
>>
>> Hi Rick -
>>
>> This is one of those things I would use ajaxCFC for since it handles
>> serialization automatically. The idea here is that you need to serialize
>> the values of your form fields, send them to the server, deserialize,
>> calculate and put the results into some kind of structure which gets
>> serialized again and returned to the browser for processing which starts
>> with deserializing. Dealing with the serialization/deserialization
>> transparently is what makes ajaxCFC so great.
>>
>> First, download ajaxcfc here:
>> http://www.robgonda.com/blog/projects/ajaxcfc/download.cfm
>>
>> in the zip file drill down to ajaxCFC/branches/jquery/core/. Put the
>> .cfc's
>> in some accessible folder on your web server, then copy everything inside
>> the /js folder to your javascript repository - I create a subfolder to
>> keep
>> it separate: /js/ajaxCFC. That's it for the install.
>>
>> This sample code should get you started. I stuck the ajax call directly
>> into the click event on the button, but you could put all of that in a
>> separate function and then call the function from the click event handler
>> if
>> you want.
>>
>> ===========================
>>
>>
>> your html/cfm page with the calculator:
>>
>> <script type="text/javascript" src="/js/jquery.js"></script>
>> <script type="text/javascript"
>> src="/js/ajaxCFC/jquery.AjaxCFC.js"></script>
>>
>> <script type="text/javascript">
>> // additional files
>> $.AjaxCFC({require:'json'});
>> // more additional files
>> // $.AjaxCFC({require:'json,wddx,dDumper,log4j,DWRSyntax,blockUI'});
>>
>> // optional global settings
>> // using these setters also automatically include dependencies
>>
>>
> //$.AjaxCFCHelper.setAjaxLoadImage("#snort","/images/ajax_circleball.gif");
>> $.AjaxCFCHelper.setDebug(false);
>> $.AjaxCFCHelper.setBlockUI(false);
>> $.AjaxCFCHelper.setUseDefaultErrorHandler(false);
>> $.AjaxCFCHelper.setSerialization('json'); // json, wddx
>>
>> $(document).ready( function() {
>>
>> // Add click event to button
>>
>> $('#ajaxit').click(function() {
>> //create an object to pass to the cfc. can also be an
>> array, simple
>> value, whatever you want. Objects turn into cf structures.
>> var obj = {firstVal:$('#firstVal').val(),
>> secondVal:$('#secondVal').val(),
>> thirdVal:$('#thirdVal').val(), randomstring:"why not"}
>> //do ajax call
>>
>> $.AjaxCFC({
>> url: "/pathto/your.cfc",
>> method: "calculate",
>> data: obj,
>> // can be an anonymous function, or the name of the
>> function that will
>> handle the return results.
>> success: showResults
>> });
>> });
>>
>> });
>>
>> function showResults(data){
>> // data will be whatever the cfc passed back in js format -
>> structure in
>> this case to make it easy.
>> $('#result').val(data.results);
>>
>> }
>>
>> </script>
>>
>> firstVal: <input id="firstVal" name="firstVal" type="text"><br>
>> secondVal: <input id="secondVal" name="secondVal" type="text"><br>
>> thirdVal: <input id="thirdVal" name="thirdVal" type="text">
>> <input id="ajaxit" type="submit" name="ajaxit" value="AjaxIt">
>> <hr>
>>
>> result: <input id="result" name="result" type="text">
>>
>>
>> ================
>>
>> Your cfc file should go in the same folder as ajax.cfc:
>>
>>
>> <cfcomponent extends="ajax">
>> <!---
>> <cfscript>
>> setDebugMode('request');
>> </cfscript>--->
>>
>> <cffunction name="calculate" output="no" access="private">
>>
>> <cfscript>
>> obj = arguments;
>> data = structNew();
>> temp = obj.firstVal + obj.secondVal + obj.thirdVal;
>> StructInsert(data, "results", temp);
>> </cfscript>
>>
>> <cfreturn data>
>> </cffunction>
>> </cfcomponent>
>>
>>
>>
>> Rick Faircloth wrote:
>>>
>>> Hi, all.
>>>
>>> I've just started using jQuery recently and now
>>> I'm trying to understand how to use it with AJAX
>>> and I just don't know enough about how it works
>>> to get started on a fairly simple app. The sample app I've
>>> been tinkering with sends a URL variable for a User_ID
>>> using AJAX to a CF page, which runs a query and
>>> returns the info to the calling page and appends
>>> it to the body. I'd like to send results back to the
>>> form fields, as well as the calculated result.
>>>
>>> I just don't have a clue how to set this up.
>>>
>>> I have a mortgage calculator and I want the user
>>> to be able to enter the principal, interest rate,
>>> and duration in years, then run a calculation on it
>>> and return the result.
>>>
>>> I've set this up in a regular form that submits back
>>> to the page it's on and it works fine. It's coded in CF.
>>>
>>> I'd like to be able to calculate and return the results using AJAX.
>>>
>>> I've worked some very simple code using AJAX (actually
>>> it was given to me), but I have no idea how to code for
>>> the above scenario.
>>>
>>> Would anyone care to give this CF'er some guidance
>>> on creating this small jQuery/CF/AJAX app?
>>>
>>> Thanks for any help!
>>>
>>> Rick
>>>
>>> _______________________________________________
>>> jQuery mailing list
>>> [email protected]
>>> http://jquery.com/discuss/
>>>
>>>
>>
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