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https://issues.apache.org/jira/browse/TAP5-2099?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lance updated TAP5-2099:
------------------------
Description:
Currently, I cannot update a component value that is initialized with a
literal: or symbol: binding from a mixin. If I try to @BindParameter the value
and change the 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 rowsPerPage parameter to Integer.MAX_VALUE. I can't
currently do this because by default, the parameter is a symbol: binding.
was:
Currently, I cannot update a component value that is initialized with a
literal: or symbol: binding. If I try to @BindParameter the component parameter
and set 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 rowsPerPage parameter to Integer.MAX_VALUE. I can't
currently do this because by default, the parameter is a symbol: binding.
> Update values 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, symbol-binding
>
> Currently, I cannot update a component value that is initialized with a
> literal: or symbol: binding from a mixin. If I try to @BindParameter the
> value and change the 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 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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