org.pepstock.charba.client.callbacks.AbstractTooltipBodyCallback Maven / Gradle / Ivy

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/**
    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.pepstock.charba.client.callbacks;

import java.util.Collections;
import java.util.List;

import org.pepstock.charba.client.IsChart;
import org.pepstock.charba.client.items.TooltipItem;

/**
 * Abstract implementation of tooltip body callback in order to help who will implement it to override ONLY needed methods and use the default for the others.
 * 
 * @author Andrea "Stock" Stocchero
 *
 */
public abstract class AbstractTooltipBodyCallback implements TooltipBodyCallback {

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.pepstock.charba.client.callbacks.TooltipBodyCallback#onBeforeBody(org.pepstock.charba.client.IsChart, java.util.List)
	 */
	@Override
	public List onBeforeBody(IsChart chart, List items) {
		return Collections.emptyList();
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.pepstock.charba.client.callbacks.TooltipBodyCallback#onAfterBody(org.pepstock.charba.client.IsChart, java.util.List)
	 */
	@Override
	public List onAfterBody(IsChart chart, List items) {
		return Collections.emptyList();
	}

}