/*
    * 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.apache.myfaces.tobago.model;
  
  import org.apache.myfaces.tobago.internal.util.JsonUtils;
  import org.apache.myfaces.tobago.internal.util.StringUtils;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import java.io.Serializable;
  import java.lang.invoke.MethodHandles;
  
  public class ScrollPosition implements Serializable {
  
    private static final Logger LOG = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
  
    private Integer[] data = new Integer[]{0, 0};
  
    public String encode() {
      return JsonUtils.encode(data);
    }
  
    public void clear() {
      data[0] = 0;
      data[1] = 0;
    }
  
    public void update(final String value) {
      if (StringUtils.isBlank(value)) {
        clear();
      } else {
        data = JsonUtils.decodeIntegerArray(value).toArray(data);
      }
    }
  
    public Integer getLeft() {
      return data[0];
    }
  
    public void setLeft(final Integer left) {
      this.data[0] = left;
    }
  
    public Integer getTop() {
      return data[1];
    }
  
    public void setTop(final Integer top) {
      this.data[1] = top;
    }
  }