[jira] Assigned: (TILES-83) Add to the ability to add elements to an overridden list attribute

["Antonio Petrelli (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/struts/browse/TILES-83?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Antonio Petrelli reassigned TILES-83:
-------------------------------------

    Assignee: Antonio Petrelli

> Add to <putList> the ability to add elements to an overridden list attribute
> ----------------------------------------------------------------------------
>
>                 Key: TILES-83
>                 URL: https://issues.apache.org/struts/browse/TILES-83
>             Project: Tiles
>          Issue Type: New Feature
>          Components: tiles-core
>    Affects Versions: 2.0.0
>         Environment: All
>            Reporter: Antonio Petrelli
>            Assignee: Antonio Petrelli
>            Priority: Minor
>             Fix For: 2.1.x
>
>
> Currently the <putList> element in Tiles definitions configuration files and <tiles:putList> tag, in the case of a definition extending another definition, or inserting a definition with an overridden attribute, replaces the previous attribute list with new one.
> For example:
> <definition name="baseDefinition" template="/template.jsp">
>   <putList name="listAttribute">
>     <add value="First string" type="string" />
>   </putList>
> </definition>
> <definition name="extendedDefinition" extends="baseDefinition">
>   <putList name="listAttribute">
>     <add value="First string" type="string" />
>     <add value="Secondo string" type="string" />
>   </putList>
> </definition>
> As you can see, the "First string" value is duplicated.
> A new attribute, for example "clear" (that defaults to "true" for compatibility reasons) can be used to specify if the list should be cleared or not.
> Relevant thread (thanks to Chris Pratt for the tip):
> http://www.mail-archive.com/user%40struts.apache.org/msg51857.html

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