content: /*******************************************************************************
   * Copyright 2017 Bstek
   *
   * 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.bstek.ureport.chart.dataset.impl;
  
  import com.bstek.ureport.Utils;
  import com.bstek.ureport.build.Context;
  import com.bstek.ureport.chart.dataset.BaseDataset;
  import com.bstek.ureport.chart.dataset.BubbleData;
  import com.bstek.ureport.model.Cell;
  import com.bstek.ureport.utils.DataUtils;
  
  import java.util.ArrayList;
  import java.util.LinkedHashMap;
  import java.util.List;
  import java.util.Map;
  
  /**
   * @author
   * @since 6月8日
   */
  public class BubbleDataset extends BaseDataset {
  	private String datasetName;
  	private String xProperty;
  	private String yProperty;
  	private String rProperty;
  	private String categoryProperty;
  
  	@Override
  	public String buildDataJson(Context context,Cell cell) {
  		Map<Object,List<BubbleData>> map=new LinkedHashMap<Object,List<BubbleData>>();
  		List<?> dataList=DataUtils.fetchData(cell, context, datasetName);
  		for(Object obj:dataList){
  			if(obj==null){
  				continue;
  			}
  			Object categoryValue=Utils.getProperty(obj, categoryProperty);
  			if(categoryValue==null){
  				continue;
  			}
  			Object xValue=Utils.getProperty(obj, xProperty);
  			Object yValue=Utils.getProperty(obj, yProperty);
  			Object rValue=Utils.getProperty(obj, rProperty);
  			if(xValue==null || yValue==null || rValue==null){
  				continue;
  			}
  			List<BubbleData> list=null;
  			if(map.containsKey(categoryValue)){
  				list=map.get(categoryValue);
  			}else{
  				list=new ArrayList<BubbleData>();
  				map.put(categoryValue, list);
  			}
  			double x=Utils.toBigDecimal(xValue).doubleValue();
  			double y=Utils.toBigDecimal(yValue).doubleValue();
  			double r=Utils.toBigDecimal(rValue).doubleValue();
  			list.add(new BubbleData(x,y,r));
  		}
  		StringBuilder sb=new StringBuilder();
  		sb.append("{");
  		sb.append("\"datasets\":[");
  		int index=0;
  		for(Object obj:map.keySet()){
  			if(index>0){
  				sb.append(",");
  			}
  			sb.append("{");
  			sb.append("\"borderColor\":\"rgb("+getRgbColor(index)+")\",");
  			sb.append("\"backgroundColor\":\"rgba("+getRgbColor(index)+",0.5)\",");
  			sb.append("\"label\":\""+obj+"\",");
  			sb.append("\"data\":[");
  			List<BubbleData> list=map.get(obj);
  			int i=0;
  			for(BubbleData data:list){
  				if(i>0){
  					sb.append(",");
  				}
  				i++;
  				sb.append("{");
  				sb.append("\"x\":"+data.getX()+",");
  				sb.append("\"y\":"+data.getY()+",");
  				sb.append("\"r\":"+data.getR());
  				sb.append("}");
  			}
  			sb.append("]");
  			sb.append("}");
  			index++;
  		}
  		sb.append("]}");
  		return sb.toString();
  	}
  	@Override
  	public String getType() {
  		return "bubble";
  	}
  	public String getDatasetName() {
  		return datasetName;
  	}
  	public void setDatasetName(String datasetName) {
  		this.datasetName = datasetName;
  	}
  
  	public String getCategoryProperty() {
  		return categoryProperty;
  	}
  	public void setCategoryProperty(String categoryProperty) {
  		this.categoryProperty = categoryProperty;
  	}
  
  	public String getxProperty() {
  		return xProperty;
  	}
  	public void setxProperty(String xProperty) {
  		this.xProperty = xProperty;
  	}
  	public String getyProperty() {
  		return yProperty;
  	}
  	public void setyProperty(String yProperty) {
  		this.yProperty = yProperty;
  	}
  	public String getrProperty() {
  		return rProperty;
  	}
  	public void setrProperty(String rProperty) {
  		this.rProperty = rProperty;
  	}
  }
  