Grid does not fully adhere to volatile="true"
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Key: TAP5-1757
URL: https://issues.apache.org/jira/browse/TAP5-1757
Project: Tapestry 5
Issue Type: Bug
Components: tapestry-core
Reporter: Ville Virtanen
Attachments: grid_volatile.patch
Tapestry omits the state saving of the grid if volatile parameter is set to
true. However, grid still invokes the prepare datasource during form postback
even though it is (when volatile is true) unneccassary. It also prevents us
from using grid under some ajax circumstances with form.
The proposed patch simply changes the parameter "volatile" of gridrows to be
promoted as grid's parameter, and the gridrows inherits it. Now that Grid has
the knowledge of the parameter it is trivial to add it to the if that checks
whether the grid is inside form or not (when adding the setupdatasourceevent to
formsupport).
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