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.ifelse;
  
  import com.bstek.ureport.build.Context;
  import com.bstek.ureport.expression.model.data.ExpressionData;
  import com.bstek.ureport.expression.model.data.ObjectExpressionData;
  import com.bstek.ureport.expression.model.expr.BaseExpression;
  import com.bstek.ureport.expression.model.expr.ExpressionBlock;
  import com.bstek.ureport.model.Cell;
  
  import java.util.List;
  
  /**
   * @author
   * @since 1月16日
   */
  public class IfExpression extends BaseExpression {
  	private static final long serialVersionUID = -514395376408127087L;
  	private ExpressionConditionList conditionList;
  	private ExpressionBlock expression;
  	private List<ElseIfExpression> elseIfExpressions;
  	private ElseExpression elseExpression;
  	@Override
  	protected ExpressionData<?> compute(Cell cell,Cell currentCell, Context context) {
  		if(conditionList!=null){
  			boolean result=conditionList.eval(context, cell,currentCell);
  			if(result){
  				return expression.execute(cell, currentCell,context);
  			}
  		}
  		if(elseIfExpressions!=null){
  			for(ElseIfExpression elseIfExpr:elseIfExpressions){
  				if(elseIfExpr.conditionsEval(cell, currentCell,context)){
  					return elseIfExpr.execute(cell,currentCell, context);
  				}
  			}
  		}
  		if(elseExpression!=null){
  			return elseExpression.execute(cell,currentCell, context);
  		}
  		return new ObjectExpressionData(null);
  	}
  	public void setConditionList(ExpressionConditionList conditionList) {
  		this.conditionList = conditionList;
  	}
  	public ExpressionConditionList getConditionList() {
  		return conditionList;
  	}
  	public void setElseExpression(ElseExpression elseExpression) {
  		this.elseExpression = elseExpression;
  	}
  	public void setElseIfExpressions(List<ElseIfExpression> elseIfExpressions) {
  		this.elseIfExpressions = elseIfExpressions;
  	}
  	public ExpressionBlock getExpression() {
  		return expression;
  	}
  	public void setExpression(ExpressionBlock expression) {
  		this.expression = expression;
  	}
  	public ElseExpression getElseExpression() {
  		return elseExpression;
  	}
  	public List<ElseIfExpression> getElseIfExpressions() {
  		return elseIfExpressions;
  	}
  }
  