org.primefaces.event.system.DynamicColumnsListener Maven / Gradle / Ivy
/*
* Copyright 2009-2014 PrimeTek.
*
* Licensed 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.primefaces.event.system;
import javax.faces.component.UIComponent;
import javax.faces.event.AbortProcessingException;
import javax.faces.event.SystemEvent;
import javax.faces.event.SystemEventListener;
import org.primefaces.component.columns.Columns;
import org.primefaces.component.datatable.DataTable;
import org.primefaces.component.treetable.TreeTable;
public class DynamicColumnsListener implements SystemEventListener {
public void processEvent(SystemEvent event) throws AbortProcessingException {
Columns columns = (Columns) event.getSource();
UIComponent parent = columns.getParent();
//todo: consider an interface
if (parent instanceof DataTable) {
((DataTable) parent).setDynamicColumns(columns);
}
else if (parent instanceof TreeTable) {
((TreeTable) parent).setDynamicColumns(columns);
}
}
public boolean isListenerForSource(Object source) {
return true;
}
}