[jira] [Updated] (TAP5-2099) Update parameters bound to literal: or symbol: from a mixin

["Jochen Kemnade (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/TAP5-2099?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jochen Kemnade updated TAP5-2099:
---------------------------------

    Labels: binding literal-binding mixin patch symbol-binding  (was: binding literal-binding mixin symbol-binding)

> Update parameters bound to literal: or symbol: from a mixin
> -----------------------------------------------------------
>
>                 Key: TAP5-2099
>                 URL: https://issues.apache.org/jira/browse/TAP5-2099
>             Project: Tapestry 5
>          Issue Type: Improvement
>    Affects Versions: 5.3.6
>            Reporter: Lance
>              Labels: binding, literal-binding, mixin, patch, symbol-binding
>         Attachments: TAP52099-1.patch
>
>
> Currently, I cannot update a component component parameter that is initialized with a literal: or symbol: binding from a mixin. If I try to @BindParameter the param and change it's value, I get a "Binding %s is read-only" exception (originating from AbstractBinding).
> I propose that literal and symbol bindings are sourced from a PerThreadValue that can be updated by a mixin.
> My original need for this was to create a "SinglePage" mixin for the Grid component which would set the rowsPerPage parameter to Integer.MAX_VALUE. I can't currently do this because by default, the parameter is a symbol: binding.



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