Java tutorial
/* Copyright 2016 Marceau Dewilde <m@ceau.be> 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 be.ceau.chart.enums; import java.util.Locale; import com.fasterxml.jackson.annotation.JsonValue; public enum HoverMode { /** * highlights the closest element */ SINGLE, /** * highlights elements in all datasets at the same X value */ LABEL, /** * highlights elements in all datasets at the same X * value, activates when hovering anywhere within the vertical slice of * the x-axis representing that X value. */ X_AXIS, /** * highlights the closest dataset */ DATASET; private final String serialized; private HoverMode() { this.serialized = name().toLowerCase(Locale.ENGLISH); } @Override @JsonValue public String toString() { return this.serialized; } }