Dynamic input fields generation using the @Loop component
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Key: TAP5-420
URL: https://issues.apache.org/jira/browse/TAP5-420
Project: Tapestry 5
Issue Type: Improvement
Components: tapestry-core
Affects Versions: 5.0.17
Reporter: Toby
Currently the @Loop component for dynamic input field generation only works if
the data is saved back into the source data list.
But if the source contains a list of "configurations" read from a database, the
generated input fields are unrelated to the "source" objects.
So there is missing a solution to read the values back in other scenarios.
Example:
<t:loop source="configObjects" value="configObjects" encoder="encoder">
..
</t:loop>
public GenericSelectModel<Value> getValueSelectModel() {
Category category = configObject.getCategory(); // for every
Select model in the loop, different values are shown, depending on the context
List<Value> list = getValues(category);
GenericSelectModel<Value> model = new
GenericSelectModel<Value>(list, Value.class, "name", "id", _access);
return model;
}
However encoder only refers to the mapping between the source/value and the
values shown in the select model are only derived from the "value" but
can not be stored back there.....
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