RE: table component

Haven't tried the checkbox yet. But I am wondering if there is a 
straightforward way to embed Tapestry Links into the Table.

Joseph Panico
[email protected]




>From: "Luke Galea" <[email protected]>
>To: "Joseph Panico" 
><[email protected]>,<[email protected]>
>Subject: RE: [Tapestry-developer] table component
>Date: Mon, 2 Dec 2002 17:54:57 -0500
>
>Funny.. I just went through that recently. I think that is the only way
>to do it.. at least the only way I could think of (modifying the Image
>component).
>
>I am curious, I have what I think is a common case: I want to have a
>column of check boxes (ie. To indicate which entries to delete ). Did
>you find that you needed to write a custom component for that as well?
>Or did you find a way of doing it using the base components?
>
>Thanks
>
>Luke Galea
>Software Development
>BlueCat Networks
>905-762-5225
>
>
>-----Original Message-----
>From: Joseph Panico [mailto:[email protected]]
>Sent: December 2, 2002 5:32 PM
>To: [email protected]
>Subject: [Tapestry-developer] table component
>
>Hats off to mindbridge-- this is a really well done component.
>
>I have a question about embedding Tapestry components as the values
>(cell
>content) of the table. Specifically, I'm trying to embed Images into the
>
>table cells. It was fairly straightforward, since the Column just looks
>for
>an IRender to do the heavy lifting and all Tapestry Components are
>IRender.
>But I did have to trivially subclass Image to null out a couple of
>methods.
>That's because the standard Image implementation has expectations of how
>it
>will be used (namely, with Bindings looking for parameters) that weren't
>
>true the way I used it.
>
>Basically, I put the IAsset for the Image in the DataModel. Then I have
>a
>simple TableColumn class:
>
>public class PXImageTableColumn extends ExpressionTableColumn
>{
>...
>
>public IRender getValueRenderer(IRequestCycle objCycle,
>				ITableModelSource objSource,
>				Object objRow)
>	{
>		IAsset	aValue = (IAsset)this.getColumnValue( objRow);
>		Image	aRenderer = new PXTableImage();
>
>		aRenderer.setImage( aValue);
>		return aRenderer;
>	}
>
>and
>
>public class PXTableImage extends Image
>{
>     protected void prepareForRender(IRequestCycle cycle) throws
>RequestCycleException
>     {}
>
>     protected void cleanupAfterRender(IRequestCycle cycle)
>
>     {}
>}
>
>Is this the most straightforward path for what I'm trying to do?
>
>thanks,
>
>Joseph Panico
>[email protected]
>
>
>
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