contacts/src/main/java/org/turro/contacts/zul/fields/FieldValueGrid.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.contacts.zul.fields;
 
import java.util.Date;
import java.util.List;
import org.turro.contacts.Contact;
import org.turro.contacts.FieldDef;
import org.turro.contacts.FieldValue;
import org.turro.contacts.db.ContactsPU;
import org.turro.contacts.zul.contact.FieldValueCombobox;
import org.turro.elephant.db.WhereClause;
import org.turro.i18n.I_;
import org.turro.zkoss.input.DateboxShort;
import org.zkoss.zk.ui.event.Event;
import org.zkoss.zk.ui.event.EventListener;
import org.zkoss.zk.ui.event.Events;
import org.zkoss.zul.Checkbox;
import org.zkoss.zul.Datebox;
import org.zkoss.zul.Doublebox;
import org.zkoss.zul.Grid;
import org.zkoss.zul.Label;
import org.zkoss.zul.Longbox;
import org.zkoss.zul.Row;
import org.zkoss.zul.Rows;
 
public class FieldValueGrid extends Grid {
 
  private Contact contact;
  private Rows rows;
  private String tabKey;
 
  public FieldValueGrid(String tabKey) {
    this.tabKey = tabKey;
    rows = new Rows();
    appendChild(rows);
  }
 
  public void setContact(Contact contact) {
    this.contact = contact;
    rows.getChildren().clear();
    if(contact != null && tabKey != null) {
      addRows();
    }
  }
 
  public void addRows() {
    for(final FieldDef fd : getTabFields()) {
      final Row row = new Row();
      row.setValue(fd);
      rows.appendChild(row);
 
      row.appendChild(new Label(I_.get(fd.getLabelKey())));
 
      if(fd.getJavaClass().equals(String.class)) {
        final FieldValueCombobox value = new FieldValueCombobox(fd);
        value.setCols(50);
        value.setFieldValue((String) getFieldValue(contact, fd));
        value.addEventListener(Events.ON_CHANGE, new EventListener() {
          @Override
          public void onEvent(Event event) throws Exception {
            setFieldValue(contact, fd, value.getFieldValue());
          }
        });
        row.appendChild(value);
      } else if(fd.getJavaClass().equals(Long.class)) {
        final Longbox value = new Longbox();
        value.setValue((Long) getFieldValue(contact, fd));
        value.addEventListener(Events.ON_CHANGE, new EventListener() {
          @Override
          public void onEvent(Event event) throws Exception {
            setFieldValue(contact, fd, value.getValue());
          }
        });
        row.appendChild(value);
      } else if(fd.getJavaClass().equals(Double.class)) {
        final Doublebox value = new Doublebox();
        value.setValue((Double) getFieldValue(contact, fd));
        value.addEventListener(Events.ON_CHANGE, new EventListener() {
          @Override
          public void onEvent(Event event) throws Exception {
            setFieldValue(contact, fd, value.getValue());
          }
        });
        row.appendChild(value);
      } else if(fd.getJavaClass().equals(Date.class)) {
        final Datebox value = new DateboxShort();
        value.setValue((Date) getFieldValue(contact, fd));
        value.addEventListener(Events.ON_CHANGE, new EventListener() {
          @Override
          public void onEvent(Event event) throws Exception {
            setFieldValue(contact, fd, value.getValue());
          }
        });
        row.appendChild(value);
      } else if(fd.getJavaClass().equals(Boolean.class)) {
        final Checkbox value = new Checkbox();
        Boolean b = (Boolean) getFieldValue(contact, fd);
        value.setChecked(b == null ? false : b);
        value.addEventListener(Events.ON_CHECK, new EventListener() {
          @Override
          public void onEvent(Event event) throws Exception {
            setFieldValue(contact, fd, value.isChecked());
          }
        });
        row.appendChild(value);
      }
    }
  }
 
  private Object getFieldValue(Contact contact, FieldDef fd) {
    for(FieldValue fv : contact.getFieldValues()) {
      if(fv.getFieldDef().getId().equals(fd.getId())) {
        return fv.getObjectValue();
      }
    }
    return null;
  }
 
  private void setFieldValue(Contact contact, FieldDef fd, Object value) {
    for(FieldValue fv : contact.getFieldValues()) {
      if(fv.getFieldDef().getId().equals(fd.getId())) {
        fv.setObjectValue(value);
        return;
      }
    }
    FieldValue fv = new FieldValue();
    fv.setContact(contact);
    fv.setFieldDef(fd);
    fv.setObjectValue(value);
    contact.getFieldValues().add(fv);
  }
 
  private List<FieldDef> getTabFields() {
    WhereClause wc = new WhereClause();
    wc.addClause("select distinct fieldDef");
    wc.addClause("from FieldDef as fieldDef");
    wc.addClause("where fieldDef.tabKey = :tabKey");
    wc.addNamedValue("tabKey", tabKey);
    return (List<FieldDef>) new ContactsPU().getResultList(wc);
  }
}