Re: DynamicBlock problems

[Sam Leung <bl...@yahoo.com.hk>]

Mike ,

Thank your the help from Michael Henderson..The DynamicBlock is a 
greaten component. It help me to generate the dynamic layout of my 
portal system.
And thank you for his advice, it help me find out the bug of my program. 
The reason of My BlockLogin Component not work is that I use the 
-Dorg.apache.tapestry.disable-caching=true parameter in the Tomcat...
The parameter is very help when I development the application. However, 
it is a trap for DynamicBlock in my program...

I hope you can meet your deadline also.
Sam Leung.


Michael Henderson wrote:

> Hi,
>  I am the author of  DynamicBlock component. It initially was just a 
> demonstration of how to dynamically swap components at runtime w/o 
> having code Blocks in advance.
>
> It has some limitations. It will not work with components that have 
> inherited informal parameters as this type of component initialization 
> is performed when the page object is first created. Since DynamicBlock 
> defers creating the component and the block until runtime this does 
> not work.
>
> Are you using some special page loading process, like a resolver 
> delegate? If you are creating a new page object every time the page is 
> loaded then the BlockLoginBlock will not be in the component when you 
> get to it.
>
> Unfortunately I am working away form home and have a deadline to meet 
> by Friday. I shall try and look at the example application and add an 
> example with a nested form to see if it works.
>
> If you have a tight deadline you may wish to switch to using declared 
> Block components. Alternatively you could add some debugging code to 
> the DynamicBlock and see what is going on. There is very little code 
> in the 2 classes involved.
>
> Good Luck
>
>
> Mike
>
>



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