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aicos
Joined: 22 May 2007
Posts: 10
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 Posted: Mon Jul 09, 2007 2:10 am Post subject: QuickForm - dynamic rules depending on checked radios |
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Hi.
I'm trying to figure out how to setup the rules for the following:
Lets say I have 4 radios and a textbox. If one of the first 3 radios is filled in then the textbox requires no text. If the forth radio is filled in then the textbox requires some text.
Putting all the elements inside a group and adding a required rule doesn't work (yes I was silly enough to try that).
Any suggestions?
Thanks. |
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mark
Joined: 07 Jan 2007
Posts: 1230
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| Posted: Mon Jul 09, 2007 10:19 am Post subject: Re: QuickForm - dynamic rules depending on checked radios |
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| aicos wrote: | I'm trying to figure out how to setup the rules for the following:
Lets say I have 4 radios and a textbox. If one of the first 3 radios is filled in then the textbox requires no text. If the forth radio is filled in then the textbox requires some text.
Putting all the elements inside a group and adding a required rule doesn't work (yes I was silly enough to try that). |
Using a group is not wrong here. But you need to define your own (group) rule that checks this special case. You can define both a server- (needed) and a client-side rule. Examples for such custom roles should be availabe in the manual. |
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aicos
Joined: 22 May 2007
Posts: 10
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| Posted: Mon Jul 09, 2007 11:45 am Post subject: |
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Are you saying that I *must* use some client validation to make this work?
I couldn't find any examples that are similar to what I am trying to achieve. Can you point me to the relevant section?
Thanks |
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mark
Joined: 07 Jan 2007
Posts: 1230
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| Posted: Mon Jul 09, 2007 1:34 pm Post subject: |
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| aicos wrote: | | Are you saying that I *must* use some client validation to make this work? |
No, the other way round: You need a server-side rule, but you *can* also add a custom client-side rule.
| aicos wrote: | | I couldn't find any examples that are similar to what I am trying to achieve. Can you point me to the relevant section? |
You could follow the checkEmail() example on this page:
http://pear.php.net/manual/en/package.html.html-quickform.intro-validation.php
But I'm not sure whether this also works in similar way for group rules.
Another solution would be to use addFormRule(): This allows very customized rules. There is an example available in formrule.php in the docs/examples/ directory. |
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aicos
Joined: 22 May 2007
Posts: 10
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| Posted: Wed Jul 11, 2007 4:55 pm Post subject: |
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Ok, solved it. Thanks for the help and here is the simplified solution for those interested:
| Code: |
function checkother($elements)
{
if ($elements[0] == 'radio4')
{
if ($elements[1] =='')
return false;
}
return true;
}
registerRule('othercheck','callback','checkother');
addRule(array($questionGroup,'radio_text'),'Please specify other','othercheck');
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The actual code is more complicated than this, so I left out the lines that add the radios and textbox. But you can assume that there is one group ($questionGroup) containing just 4 radios. This is added to a required rule. Then there is just one textbox ('radio_text') and the custom rule that you can see above. |
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