ChoiceFilteredPropertyColumn: access to the DropDownChoice
----------------------------------------------------------
Key: WICKET-1099
URL: https://issues.apache.org/jira/browse/WICKET-1099
Project: Wicket
Issue Type: Improvement
Components: wicket-extensions
Affects Versions: 1.3.0-beta4
Environment: any
Reporter: Jan Kriesten
To have the ChoiceFilter use a DropDown with setNullValid( true ) (for
resetting the filter again in my case), I have to construct a complex new
Filter like this:
new ChoiceFilteredPropertyColumn( new Model( "type" ), "property_type", "type",
new Model( (Serializable) propertiesDao.getPropertyTypes() ) )
{
private static final long serialVersionUID = 1L;
public Component getFilter( String componentId, FilterForm filterForm )
{
ChoiceFilter filter = new ChoiceFilter( componentId, getFilterModel(
filterForm ), filterForm,
getFilterChoices(), enableAutoSubmit() )
{
protected DropDownChoice newDropDownChoice( String id, IModel model,
IModel choices,
IChoiceRenderer renderer )
{
DropDownChoice dropdown = new DropDownChoice( id, model, choices,
renderer );
dropdown.setNullValid( true );
return dropdown;
}
};
IChoiceRenderer renderer = getChoiceRenderer();
if( renderer != null )
{
filter.getChoice().setChoiceRenderer( renderer );
}
return filter;
}
This is much of copy-paste from the original sources just to do a simple
"dropdown.setNullValid( true );" - it would be nice, if one could get hold of
the dropdown in a more decent way.
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