/*
* Copyright 2000-2016 Vaadin Ltd.
*
* 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 com.vaadin.v7.client.widget.grid;
import com.google.gwt.user.client.ui.Widget;
/**
* A callback interface for generating details for a particular row in Grid.
*
* @since 7.5.0
* @author Vaadin Ltd
*/
public interface DetailsGenerator {
/** A details generator that provides no details */
public static final DetailsGenerator NULL = new DetailsGenerator() {
@Override
public Widget getDetails(int rowIndex) {
return null;
}
};
/**
* This method is called for whenever a new details row needs to be
* generated.
*
* @param rowIndex
* the index of the row for which to generate details
* @return the details for the given row, or <code>null</code> to leave the
* details empty.
*/
Widget getDetails(int rowIndex);
}