OrderItemModel.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2012 Lluis Turró Cutiller <http://www.turro.org/>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.turro.erp.purchase;
 
import java.util.List;
import org.turro.erp.entity.OrderItem;
import org.turro.jpa.model.GroupModelManager;
import org.zkoss.zul.Grid;
 
public class OrderItemModel extends GroupModelManager {
 
  class OrderItemSummary {
    int items;
    double quatity, cost;
    Object[] orders;
    OrderItem getOrder(int index) { return (OrderItem) orders[index]; }
  }
  
  public OrderItemModel(List data, Grid grid) {
    super(data, new OrderItemComparator(), grid);
  }
 
  @Override
  protected Object createGroupFoot(Object[] groupdata, int index, int col) {
    OrderItemSummary summary = new OrderItemSummary();
    summary.items = groupdata.length;
    summary.orders = groupdata;
    for(Object o : groupdata) {
      if(o instanceof OrderItem) {
        OrderItem oi = (OrderItem) o;
        summary.cost += oi.getAmount();
        summary.quatity += oi.getUnits() * oi.getDedication();
      }
    }
    return summary;
  }
 
  @Override
  protected Object createGroupHead(Object[] groupdata, int index, int col) {
    return super.createGroupHead(groupdata, index, col);
  }
 
}