I am not familiar with the syntax of Jquery plugin.
On Oct 12, 2:19 pm, Don Dunbar <salemd1s...@gmail.com> wrote:
> Hi , I double checked on javascript's XOR operator and it only works with
> bitwise: so you will have to write your own XOR . This isn't hard : [code]
> if (!foo != !bar) [\code] should work for all elements.
> or this
> [code]if( ( foo && !bar ) || ( !foo && bar ) )[\code]
>
> For the validator method I haven't actually tried to run this but you can
> try this:[code]
> $.validator.addMethod(
>
> "onlyCheckOne",
> function(value, elements) {
> // but put whatever you're using to see if either is checked
> in the next line
> return this.optional(value) || elements[o]:checked XOR
> elements[1]:checked;
> },
> "Please check either participations or days, but not both"
> )[/code] note change XOR to whatever method you decide to use.
>
> Then add the check to your rules.
> DED
>
> On Mon, Oct 12, 2009 at 12:36 AM, Phper <hi.steven...@gmail.com> wrote:
>
> > <script type="text/javascript" src="http://code.jquery.com/jquery-
> > latest.js"></script>
> > <script type="text/javascript" src="http://dev.jquery.com/view/trunk/
> > plugins/validate/jquery.validate.js"></script>
>
> > <script type="text/javascript">
> > <!--
> > $(document).ready(function() {
> > $("#form1").validate({
> > rules: {
> > title: {
> > required: true,
> > minlength:40
> > } ,
> > content: {
> > required: true,
> > minlength:100,
> > maxlength:600
> > },
> > evaluation: {
> > required: true,
> > minlength:50,
> > maxlength:300
> > },
> > price: {
> > required: true,
> > digits:true
>
> > },
> > multi:{
> > required:true
> > }
> > },
> > messages: {
>
> > }
> > });
> > });
>
> > -->
> > </script>
>
> > As you can see from the code above, "title", "content", "evaluation",
> > "prices" and "multi" are required. All of them are required. But there
> > are additional two fields, which are "participations" and "days". Only
> > one of them is required. Either "participations" or "days" is
> > required. How to write this code?
>
> > On Oct 12, 10:17 am, Phper <hi.steven...@gmail.com> wrote:
> > > A good clue. But I still don't know where to write the "if" statement.
> > > It would be good if you can give me an example.
>
> > > On Oct 11, 10:57 pm, Don Dunbar <salemd1s...@gmail.com> wrote:
>
> > > > Hi, if you are using the validation plugin, I believe it has a function
> > > > "addMethod" that allows you to write your own method for the
> > validation. It
> > > > requires a name (javascript identifier), a method to check input
> > against (
> > > > in your case A and B would be checked for completion) and a message to
> > > > display when there is an error (i.e. neither A nor B is filled out, or
> > both
> > > > are). You can get the details for using the "addMethod" function at the
> > > > jQuery Docs page.http://docs.jquery.com/Plugins/Validation
> > > > The page lists demos and the function you need is toward the bottom of
> > the
> > > > page.
>
> > > > The logic is fairly straight forward : when the form is being filled
> > out
> > > > listen for when A and B have focus, remember if either is checked or
> > ignored
> > > > and check to make sure both are not simultaneously filled out. Check
> > this on
> > > > submit as well.
>
> > > > Good luck,
> > > > DED
>
> > > > On Sun, Oct 11, 2009 at 7:42 AM, Phper <hi.steven...@gmail.com> wrote:
>
> > > > > How can I write the code in the context of Jquery validate function?
>
> > > > > On Oct 11, 12:43 pm, Don Dunbar <salemd1s...@gmail.com> wrote:
> > > > > > Hi, javascript has an 'xor' operator. It works just like 'or' in an
> > 'if'
> > > > > > statement except in 'xor' only one side can be true. In a normal
> > 'or'
> > > > > > statement either side can be true or both can. So you probably want
> > to do
> > > > > > something like: if ( A XOR B) { } . Then only one can be true to
> > > > > continue
> > > > > > if both are true the statement returns 'false'.Hope this helps.
> > > > > > DED
>
> > > > > > On Sat, Oct 10, 2009 at 10:37 PM, Phper <hi.steven...@gmail.com>
> > wrote:
>
> > > > > > > There are two input fields in a form, but only one of them is
> > > > > > > required, they are not required at the same time. Either A or B
> > is
> > > > > > > required. ( A is required OR B is required). In other words, a
> > user
> > > > > > > can input data to field A, or he can input data to filed B, but
> > he can
> > > > > > > not input data to Both A and B at the same time.
>
> > > > > > > How to implement this constraint in Jquery form validation?
