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Re: actions contained within WODynamicElement
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Re: actions contained within WODynamicElement


  • Subject: Re: actions contained within WODynamicElement
  • From: Johann Werner <email@hidden>
  • Date: Mon, 6 Aug 2007 14:04:31 +0200

I changed it to a stateless, nonsynchronizing element already as Chuck suggested and it works as expected now.
I thought of using WODynamicElement for all elements that do not contain other elements (and where appropriate of course) whereas to use a stateless, nonsynchronizing WOComponent for all other cases from now on.
But I will gice it a try in making my component extend a WODynamicGroup in the next days and report back. Would be great to be able to switc back to dynamic elements as they seem to be favorably from the point of view of performance and memory (this is implicated in Chuck's book at least).


jw

Am 06.08.2007 um 03:21 schrieb Peter Vandoros:

Try making your dynamic element extend WODynamicGroup instead. I think this element will pass on the messages correctly. Like a WOComponent does.

Regards

Peter

Johann Werner wrote:
Hi list,

I am trying to create some of the components I use in my app as dynamic elements. Though being quite successful I encountered a problem I could not resolve: I created a dynamic component "JWTable" that writes a html table tag and will have child elements in it. Now I wrapped that element within a WOForm and added some submit buttons as child elements of JWTable:

<webobject name = "WOForm1">
    <webobject name = "JWTable1">
        …
        <tr>
            <td>
                <webobject name = "WOSubmitButton1" />
                <webobject name = "WOSubmitButton2" />
            </td>
        </tr>
    </webobject>
</webobject>


JWTable1 : JWTable { }


WOForm1 : WOForm { multipleSubmit = true; }


WOSubmitButton1 : WOSubmitButton { action = doOne; value = "1"; }


WOSubmitButton2: WOSubmitButton { action = doTwo; value = "2"; }


Unfortunately when clicking a button the invokeAction of the main component (that has the corresponding action methods implemented) calls the invokeAction of the dynamic element (as the submit buttons are children of it). But this results into the situation that the action methods are not found and null is returned instead.


Is there any way to make WO call the actions in the parent without hardcoding the functions (as then it wouldn't be a generic component anymore)? Calling something as context.component ().invokeAction(…) doesn't help as this will bounce back the call leading to an infinite loop. I did not find any example that covers this case. Or do I have to implement JWTable as stateless component instead?

jw


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