/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.cocoon.forms.formmodel;
import org.apache.avalon.framework.CascadingRuntimeException;
import org.apache.cocoon.forms.binding.BindingException;
import org.apache.cocoon.forms.event.ValueChangedEvent;
import org.apache.cocoon.forms.event.ValueChangedListener;
/**
* @version $Id: RepeaterFilterField.java 517733 2007-03-13 15:37:22Z vgritsenko $
*/
public class RepeaterFilterField extends Field {
private EnhancedRepeater repeater;
private String field;
public RepeaterFilterField(RepeaterFilterFieldDefinition fieldDefinition) {
super(fieldDefinition);
this.field = fieldDefinition.getField();
}
public void initialize() {
super.initialize();
String name = ((RepeaterFilterFieldDefinition) getDefinition()).getRepeaterName();
Widget w = getParent().lookupWidget(name);
if (w == null) {
throw new IllegalArgumentException("Cannot find repeater named " + name);
}
if (!(w instanceof EnhancedRepeater)) {
throw new IllegalArgumentException("The repeater named " + name + " is not an enhanced repeater");
}
this.repeater = (EnhancedRepeater) w;
addValueChangedListener(new ValueChangedListener() {
public void valueChanged(ValueChangedEvent event) {
if (repeater.validate()) {
try {
repeater.setFilter(field, event.getNewValue());
} catch (BindingException e) {
throw new CascadingRuntimeException("Error setting filter", e);
}
}
}
});
}
}