ContactListbox.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.contacts.util;
 
import org.turro.contacts.Contact;
import org.turro.contacts.db.ContactsPU;
import org.turro.elephant.db.SQLHelper;
import org.turro.jpa.Dao;
import org.turro.security.Permissions;
import org.turro.zkoss.input.CollectionListbox;
import org.zkoss.lang.Strings;
 
public class ContactListbox extends CollectionListbox<Contact> {
 
  private Dao dao;
  
  public void setProvider(Contact provider) {
    if(provider != null) {
      updateCollection(new WorkersAdapter(provider));
    }
  }
  
  public void setPartialName(String name) {
    if(!Strings.isBlank(name) && name.trim().length() > 2) {
      if(dao == null) {
        dao = new ContactsPU();
      }
      updateCollection(dao.getResultList(
              "select c from Contact as c where c.name like ? order by c.name", 
              new String[] { "%" + name.trim() + "%" }));
    }
  }
  
  public void setRole(String role) {
    if(dao == null) {
      dao = new ContactsPU();
    }
    updateCollection(dao.getResultList(
            "select contact from Contact as contact where " +
            getInRole(role) +
            " order by contact.name"));
  }
  
  @Override
  protected String convertToString(Contact v) {
    return v.getName();
  }
 
  private static String getInRole(String role) {
    String roleIn = "";
    if(role != null) {
      String in = SQLHelper.convertToIn(Permissions.getSecurityGroupIdsBy(role));
      if(!Strings.isBlank(in)) {
        roleIn = "exists (" +
                "select syndication from Syndication as syndication" +
                "where syndication.name in (" + in + ")" +
                "and syndication.contact = c" +
             ")";
      } else {
        roleIn = "1 = 2";
      }
    }
    return roleIn;
  }
 
}