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.expression.model.expr.set;
  
  import com.bstek.ureport.Utils;
  import com.bstek.ureport.build.Context;
  import com.bstek.ureport.expression.model.Condition;
  import com.bstek.ureport.expression.model.data.ExpressionData;
  import com.bstek.ureport.expression.model.data.NoneExpressionData;
  import com.bstek.ureport.expression.model.data.ObjectExpressionData;
  import com.bstek.ureport.expression.model.data.ObjectListExpressionData;
  import com.bstek.ureport.model.Cell;
  
  import java.util.ArrayList;
  import java.util.List;
  
  /**
   * @author
   * @since 1月1日
   */
  public class CellConditionExpression extends CellExpression {
  	private static final long serialVersionUID = 536887481808944331L;
  	protected Condition condition;
  	public CellConditionExpression(String cellName,Condition condition) {
  		super(cellName);
  		this.condition=condition;
  	}
  
  	@Override
  	protected ExpressionData<?> compute(Cell cell,Cell currentCell, Context context) {
  		List<Cell> targetCells=Utils.fetchTargetCells(cell, context, cellName);
  		targetCells=filterCells(cell,context,condition,targetCells);
  		if(targetCells.size()>1){
  			List<Object> list=new ArrayList<Object>();
  			for(Cell targetCell:targetCells){
  				list.add(targetCell.getData());
  			}
  			return new ObjectListExpressionData(list);
  		}else if(targetCells.size()==1){
  			return new ObjectExpressionData(targetCells.get(0).getData());
  		}else{
  			return new NoneExpressionData();
  		}
  	}
  	@Override
  	public ExpressionData<?> computePageCells(Cell cell, Cell currentCell,Context context) {
  		List<Cell> targetCells=fetchPageCells(cell, currentCell, context);
  		targetCells=filterCells(cell,context,condition,targetCells);
  		if(targetCells.size()>1){
  			List<Object> list=new ArrayList<Object>();
  			for(Cell targetCell:targetCells){
  				list.add(targetCell.getData());
  			}
  			return new ObjectListExpressionData(list);
  		}else if(targetCells.size()==1){
  			return new ObjectExpressionData(targetCells.get(0).getData());
  		}else{
  			return new NoneExpressionData();
  		}
  	}
  }
  