But when I tried to pass my own data structure, it throws an exception like
this:
..
Could not find a coercion from type java.lang.String to type
com.xxx...MyDataStructure.
Actually, MyDataStructure is quite complex, it contains some primitive data
types (byte,int,boolean), another custom data structure which stores a byte,
and a list of yet another custom data structure, storing a string and a
boolean. Not only that, MyDataStructure also extends a more generic data
structure which has its own attributes as well...
I think I tried the @Component approach, but the component doesn't seem to
have the stuff passed from the user when I try to access them in the
onSuccess function.. I will try again.
thx!
Ronald
Josh Canfield-2 wrote:
>
> Sorry, I was unclear in my cut and paste of your question.
>
> You can pass anything as a parameter.
>
> If you want to get access to your component in your page then define an
> attribute with the right type and use the @Component annotation. Add a
> getter to your component if you want to get something back out of it.
>
> @Component
> private MyComponent _component;
>
> Josh
> On Nov 12, 2007 4:00 PM, ronaldlee <[EMAIL PROTECTED]> wrote:
>
>>
>>
>> So the @Parameter can only be used to passed user-defined data structure
>> to
>> the custom component...
>>
>> Is there a way such that the page that displays the custom component can
>> have access to the componet's properties (public getter functions) in
>> order
>> to retrieve the user-defined data structure? For example, in the page's
>> onSuccess method, I want to retrieve a List<MyDataStructure> from my
>> custom
>> component, how can I do that?
>>
>> thx!
>> Ronald
>>
>>
>> Josh Canfield-2 wrote:
>> >
>> >> For @Parameter attributes of custom components, can it be user-defined
>> >> data
>> >> structure? Or it has to be simple java-defined ones?
>> >>
>> >
>> > Yes.
>> >
>> > <t:mycustomcomponent data="${customDataStructure}"/>
>> >>
>> >
>> > Yes, but you don't need the ${}, the default binding is property
>> >
>> > <t:mycustomcomponent data="customDataStructure"/>
>> >
>> >
>> > Josh
>> >
>> > On Nov 12, 2007 3:01 PM, ronaldlee <[EMAIL PROTECTED]> wrote:
>> >
>> >>
>> >>
>> >> For @Parameter attributes of custom components, can it be user-defined
>> >> data
>> >> structure? Or it has to be simple java-defined ones?
>> >>
>> >> For example, can I have this in my custom component:
>> >>
>> >> @Parameter
>> >> MyOwnDataStructure data
>> >>
>> >> And in my main page I will feed that param using the page's property
>> >> function
>> >>
>> >> <t:mycustomcomponent data="${customDataStructure}"/>
>> >>
>> >> where "getCustomDataStructure" of that page will return an instance of
>> >> MyOwnDataStructure?
>> >>
>> >> thx!
>> >> Ronald
>> >>
>> >>
>> >> Chris Lewis-5 wrote:
>> >> >
>> >> > Ronald,
>> >> >
>> >> > Tapestry receives input (and fires events) using its Form component,
>> >> > which is used for creating html forms. Checkboxes are themselves
>> >> > components and are tied to boolean properties of the containing page
>> >> (or
>> >> > component in your case). If you have declared the checkboxes as
>> 'raw'
>> >> > html tags, you must first change those to proper tapestry components
>> >> > (
>> >>
>> http://tapestry.apache.org/tapestry5/tapestry-core/component-parameters.html#orgapachetapestrycorelibcomponentscheckbox
>> >> ).
>> >> > When you declare checkbox components you specify the value to which
>> it
>> >> > is tied. So if you have the following in your template:
>> >> >
>> >> > <input t:type="checkbox" value="wantsMail"/>
>> >> >
>> >> > Then you must have a boolean property named 'wantsMail' in your
>> >> > component/page class, with appropriate getters/setters
>> (getWantsMail,
>> >> > setWantsMail).
>> >> >
>> >> > chris
>> >> >
>> >> > ronaldlee wrote:
>> >> >> Hi,
>> >> >>
>> >> >> I wrote a simple component which contain a check list (using
>> >> checkboxes).
>> >> >> I
>> >> >> put it in a page where it has a function to listen to the submit
>> >> event.
>> >> >> Inside my onSuccess function, how can I access that component's
>> check
>> >> >> list
>> >> >> that user has set?
>> >> >>
>> >> >> thx.
>> >> >> Ronald
>> >> >>
>> >> >
>> >> >
>> >> >
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