bserp-www/src/main/java/org/turro/erp/humanres/HumanResourceCombobox.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2011 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.humanres;
 
import java.util.LinkedList;
import java.util.List;
import javax.persistence.EntityManager;
import javax.persistence.Query;
import org.turro.elephant.db.SQLHelper;
import org.turro.elephant.db.WhereClause;
import org.turro.erp.db.ErpPU;
import org.turro.erp.entity.HumanResource;
import org.turro.hr.humanres.HumanResources;
import org.turro.zkoss.input.GenericCombobox;
import org.zkoss.zk.ui.event.Event;
import org.zkoss.zk.ui.event.Events;
import org.zkoss.zk.ui.ext.AfterCompose;
 
public class HumanResourceCombobox extends GenericCombobox<HumanResource> implements AfterCompose { 
 
  private boolean onlyActive = true;
  private boolean selectCurrent = false;
  
  public boolean isOnlyActive() {
    return onlyActive;
  }
 
  public void setOnlyActive(boolean onlyActive) {
    this.onlyActive = onlyActive;
  }
 
  public boolean isSelectCurrent() {
    return selectCurrent;
  }
 
  public void setSelectCurrent(boolean selectCurrent) {
    this.selectCurrent = selectCurrent;
  }
 
  @Override
  public void populateList(String value, LinkedList list, int nRows) {
    EntityManager em = new ErpPU().getEntityManager();
    try {
      WhereClause wc = SQLHelper.getWhereClause(new String[]{
        "res.name"
      }, value);
      Query q = em.createQuery(
              "select res from HumanResource res " +
              "where active = :active " + 
              wc.getClause() +
              " order by res.name"
              );
      wc.addNamedValue("active", onlyActive);
      q.setMaxResults(nRows);
      wc.setNamedParameters(q);
      List<HumanResource> l = q.getResultList();
      for(Object o : l) {
        list.add(((HumanResource) o).getName());
      }
    } finally {
      em.close();
    }
  }
 
  @Override
  public String getTextFromObject(HumanResource value) {
    return value.getName();
  }
 
  @Override
  public void afterCompose() {
    if(selectCurrent) {
      setObjectValue(HumanResources.getCurrent());
      Events.postEvent(new Event(Events.ON_CHANGE, this));
    }
  }
 
}