TechnologyBox.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.crm.zul.sector;
 
import java.util.Collection;
import java.util.Iterator;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.turro.command.Command;
import org.turro.command.Context;
import org.turro.crm.db.CrmPU;
import org.turro.crm.entity.Customer;
import org.turro.crm.entity.Technology;
import org.turro.elephant.context.ElephantContext;
import org.turro.elephant.util.Images;
import org.turro.elephant.util.Messages;
import org.turro.zkoss.input.MultiLabelBox;
 
public class TechnologyBox extends MultiLabelBox<Technology> {
 
  private Customer customer;
 
  public void setCustomer(Customer customer) {
    this.customer = customer;
  }
  
  @Override
  protected boolean checkVisible() {
    return true;
  }
 
  @Override
  protected boolean checkNew() {
    return true;
  }
 
  @Override
  protected boolean checkEditable() {
    return true;
  }
 
  @Override
  protected boolean checkDelete() {
    return true;
  }
 
  @Override
  protected String getNewImage() {
    return Images.getImage("technology_new");
  }
 
  @Override
  protected Collection<Technology> getCollection() {
    return customer.getTechnologies();
  }
 
  @Override
  protected String convertToString(Technology label) {
    return label.getName();
  }
 
  @Override
  protected Collection<String> getLabelChoices() {
    return new CrmPU().getResultList("select distinct a.name from Technology a");
  }
 
  @Override
  protected void addChoice(final String choice, final Command command) {
    for(Technology asl : customer.getTechnologies()) {
      if(asl.getName().equalsIgnoreCase(choice)) {
        return;
      }
    } 
    Technology as = (Technology) new CrmPU().getSingleResultOrNull(
            "select a from Technology a where a.name = ?", 
            new Object[] { choice });
    if(as == null) {
      Messages.confirmAcceptation().add(choice).show(() -> {
        Technology nas = new Technology();
        nas.setName(choice);
        nas = new CrmPU().saveObject(nas);
        customer.getTechnologies().add(nas);
        if(command != null) command.execute(null);
      });
    } else {
      customer.getTechnologies().add(as);
      if(command != null) try {
        command.execute(null);
      } catch (Exception ex) {
        Logger.getLogger(TechnologyBox.class.getName()).log(Level.SEVERE, ElephantContext.logMsg(null), ex);
      }
    }
  }
 
  @Override
  protected void changeChoice(final String oldChoice, String choice, final Command command) {
    addChoice(choice, new Command() {
      @Override
      public Object execute(Context context) {
        deleteChoice(oldChoice, null);
        if(command != null) command.execute(null);
        return true;
      }
    });
  }
 
  @Override
  protected void deleteChoice(String oldChoice, Command command) {
    Iterator<Technology> it = customer.getTechnologies().iterator();
    while(it.hasNext()) {
      if(it.next().getName().equals(oldChoice)) {
        it.remove();
        if(command != null) try {
          command.execute(null);
        } catch (Exception ex) {
          Logger.getLogger(TechnologyBox.class.getName()).log(Level.SEVERE, ElephantContext.logMsg(null), ex);
        }
      }
    } 
  }
 
}