ActivitySectorGrid.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2015 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.crm.zul.sector;
 
import java.util.logging.Level;
import java.util.logging.Logger;
import org.turro.crm.db.CrmPU;
import org.turro.crm.entity.ActivitySector;
import org.turro.elephant.context.ElephantContext;
import org.turro.i18n.I_;
import org.turro.jpa.grid.JpaGrid;
import org.zkoss.zul.Row;
 
public class ActivitySectorGrid extends JpaGrid<ActivitySector> {
 
  public ActivitySectorGrid() {
    super(new CrmPU(),
            "select actsec from ActivitySector as actsec " +
            "order by actsec.name", true);
    addColumns();
  }
 
  @Override
  protected void initiateRow(Row row, ActivitySector value) {
    if(value == null) value = new ActivitySector();
    row.setValue(value);
  }
 
  @Override
  protected boolean isValid(ActivitySector v) {
    return v.isValid();
  }
 
  @Override
  protected boolean deleteRow(Row row) {
    ActivitySector as = row.getValue();
    Long count = (Long) getDao().getSingleResult(
            "select count(c) from Customer c " +
            "join c.activitySectors a " +
            "where a = ?",
            new Object[] { as });
    if(count == 0) {
      return super.deleteRow(row);
    }
    return false;
  }
 
  public void addColumns() {
    try {
      addColumn("#", "long", "id", null, 0, false, true).setWidth("40px");
      addColumn(I_.get("Name"), String.class, "name", null, 0, false, false);
    } catch (ClassNotFoundException ex) {
      Logger.getLogger(ActivitySectorGrid.class.getName()).log(Level.SEVERE, ElephantContext.logMsg(null), ex);
    }
  }
 
}