tr:selectManyShuttle with required="true" requires a selected item in the
leading and trailing list box to pass validation.
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Key: TRINIDAD-1957
URL: https://issues.apache.org/jira/browse/TRINIDAD-1957
Project: MyFaces Trinidad
Issue Type: Bug
Components: Components
Affects Versions: 1.2.13-core , 1.2.15-core
Reporter: Felix Röthenbacher
Attachments: SelectManyShuttleRenderer.diff.txt
The selectManyShuttle component with required="true" imposes a required
validation rule on each of its list boxes. This requires that not only an item
has to be selected (moved from leading to trailing) but also that each list box
must have an active selection (highlighted item) to pass validation. While this
holds true if the user moves an item from one list to the other, it doesn't if
the component is populated already and the user doesn't change anything. In
this case the validation fails with a Field Error alert for each list box
saying that at least one item has to be selected.
The patch provided sets the required attribute for the child listboxes to false
as this validation rule is already imposed by the parent component. The patch
also updates the tests.
I haven't checked it but quite possibly also the 2.0.x trunk is affected by
this.
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