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https://issues.apache.org/jira/browse/TAPESTRY-2132?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12587588#action_12587588
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Andy Blower commented on TAPESTRY-2132:
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If I understand the issue correctly, this can be done using the delegate
component. I know because I needed to do the same thing.
So, you have a zone which initially has a delegate comp in it that renders the
block when the page is first rendered. Then when you refresh the zone,
returning the injected block comp from your action method, the zone's contents
becomes another partial rendering of the block. Note that the block can be
anywhere in the template - it doesn't have to be inside the zone.
<div t:type="zone" t:id="som">
<t:delegate to="somBlock"/>
<t:block t:id="somBlock">block-content</t:block>
</div>
Unless there's some limitation to this technique that I cannot see, or this is
considered a bad thing for some reason, then could this bug be closed needing
no further resolution?
> Allow Blocks to render themselves initially
> -------------------------------------------
>
> Key: TAPESTRY-2132
> URL: https://issues.apache.org/jira/browse/TAPESTRY-2132
> Project: Tapestry
> Issue Type: Improvement
> Affects Versions: 5.0.10
> Reporter: Igor Drobiazko
> Fix For: 5.1
>
>
> Initially a block is not rendered. This is quite reasonable for the usecase
> in which you define an empty block for the Grid.
> Now consider following scenario:
> We have a Grid containing an ActionLink for every single row.
> <t:grid t:id="grid" source="users" model="model" row="user">
> <t:parameter name="deleteCell">
> <t:actionlink t:id="delete" zone="deleteZone"
> context="user.id">Delete</t:actionlink>
> </t:parameter>
> </t:grid>
> Clicking on the link I want to delete the user and update the table without
> to refresh the whole page.
> To make a partial response we have several possibilities. Two of them are to
> return a component or a block.
> It would be nice to wrap the table by a block which is rendered initially.
> This block could be returned by the action method.
> Alternatively one could put the Grid into the zone but this doesn't work
> well. Every second click ends in a full refresh of the page.
> The reason is that after the partial response the ActionLinks of the updated
> Grid are not converted into Ajax links.
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