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Posted to dev@tapestry.apache.org by "Nick Westgate (JIRA)" <de...@tapestry.apache.org> on 2007/10/16 05:57:50 UTC
[jira] Commented: (TAPESTRY-1694) Add ability to auto-enhance pages
with temp variables.
[ https://issues.apache.org/jira/browse/TAPESTRY-1694?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12535050 ]
Nick Westgate commented on TAPESTRY-1694:
-----------------------------------------
Removed Christian's "affects" and dupe (sorry). This issue is being discussed for T5 in TAPESTRY-1830.
Cheers,
Nick.
> Add ability to auto-enhance pages with temp variables.
> ------------------------------------------------------
>
> Key: TAPESTRY-1694
> URL: https://issues.apache.org/jira/browse/TAPESTRY-1694
> Project: Tapestry
> Issue Type: Wish
> Components: Framework
> Affects Versions: 4.1.2
> Reporter: Kevin Menard
>
> Nowadays, I store most properties right in the page class. There's typically little reason to store them in the page spec. For temporary variables, however, such as "value" used in the For component, I tend to put them in the page spec. The reason is simply that the getters and/or setters would never actually be accessed if they were in the page class and this makes static anaylzers go nuts. The result is someone invariably removes the method thinking it's no longer needed and then the page breaks.
> What I would like to see is either a new binding or a new attribute. Tapestry would then auto-enhance the page as if the property were defined in the page spec.
> As an example, the following:
> page spec:
> <page-specification class="...">
> <property name="blah"/>
> </page-specification>
> template:
> <span jwcid="@For" source="ognl:someSource" value="ognl:blah">
> ...
> </span>
> would reduce to one of the following:
> <span jwcid="@For" source="ognl:someSource" value="temp:blah">
> ...
> </span>
> or
> <span jwcid="@For" source="ognl:someSource" temp="ognl:blah">
> ...
> </span>
> In these latter cases, nothing needs to be added to the page spec. "blah" is just a name given to the current element in the iteration.
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