Thanks Jishnu and Albert.
now i am overriding doStart and doEnd tag also. here i am getting
the visibility value from DB and calling Component.inject if visibility is
allowed. your inputs helped to quickly find out the solution,,,
Thanks a lot.
On Wed, Sep 24, 2008 at 7:39 PM, Alberto Flores <[EMAIL PROTECTED]> wrote:
> Assumming you are talking about Struts 2, I would recommend checking out
> the source code and trace how the UIBean delegates to the Component class
> (super class). All Struts2 ui objects are subclasses of "Component".
> Additionally, UIBean adds a set of methods that are very useful
> (particularly the logic on evaluateParams() and evaluateExtraParams().
> These classes add your friend.
>
> Although not the best solutions, my strategy for hiding a component on
> certain criteria was to modify the theme used in the rendering engine (e.g.
> override the getTheme() method) You'll then need to create your own template
> with blank HTML (or whatever suits your needs).
>
> Granted, this does not stop processing of the component, you still do
> unnecessary operations (loading the template map, doing a bunch of unneeded
> comparison). But I think there's little you could do about that other than
> possibly throwing you own exception which could arguably be better in
> performance that those operations.
>
> Only a thought!
>
>
>
> Narayana S wrote:
>
>> Hi
>>
>> i missed my previous email about the same topic, one guy helped me
>> to
>> implement struts UI tag customization. i could extend the Bean and Tag
>> classes to implement the required behavior.
>>
>> now based on some value from the database i want to stop rendering of the
>> control itself. means for example i have a field visible , if it is false
>> i
>> should not display the control at all.. how can i stop tag rendering can
>> any
>> one help me to do this...
>>
>> Thanks in advance.
>>
>>
> --
> --
> Alberto
> http://www.linkedin.com/in/aflores
>
>
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