/*
* 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.component.column.renderer;
import java.io.IOException;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import org.primefaces.component.column.Column;
import org.primefaces.component.columngroup.ColumnGroup;
import org.primefaces.component.datatable.DataTable;
import org.primefaces.component.datatable.DataTableRenderer;
public class ColumnGroupHelperRenderer implements HelperColumnRenderer {
public void encode(FacesContext context, Column column) throws IOException {
ColumnGroup group = findGroup(column);
DataTable table = (DataTable) group.getParent();
String type = group.getType();
DataTableRenderer renderer = (DataTableRenderer) context.getRenderKit().getRenderer("org.primefaces.component", "org.primefaces.component.DataTableRenderer");
if(type.equals("header"))
renderer.encodeColumnHeader(context, table, column);
else if(type.equals("footer"))
renderer.encodeColumnFooter(context, table, column);
}
private ColumnGroup findGroup(Column column) {
UIComponent parent = column.getParent();
while(!(parent instanceof ColumnGroup)) {
parent = parent.getParent();
}
return (ColumnGroup) parent;
}
}