Groups.java

/**
 *  C-Nery - A home automation web application for C-Bus.
 *  Copyright (C) 2008,2009,2012  Dave Oxley <dave@daveoxley.co.uk>.
 *
 *  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 com.daveoxley.cnery.pages;

import com.daveoxley.cbus.Group;
import com.daveoxley.cnery.scenes.GroupAjaxListener;
import com.daveoxley.seam.TablePageBean;
import java.io.Serializable;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.jboss.seam.ScopeType;
import org.jboss.seam.annotations.Begin;
import org.jboss.seam.annotations.Create;
import org.jboss.seam.annotations.Destroy;
import org.jboss.seam.annotations.In;
import org.jboss.seam.annotations.Name;
import org.jboss.seam.annotations.Scope;
import org.ajax4jsf.model.ExtendedDataModel;

/**
 * <p>Page bean that corresponds to a similarly named JSP page.  This
 * class contains component definitions (and initialization code) for
 * all components that you have defined on this page, as well as
 * lifecycle methods and event handlers where you may add behavior
 * to respond to incoming events.</p>
 *
 * @author Dave Oxley <dave@daveoxley.co.uk>
 */
@Name("groups")
@Scope(ScopeType.CONVERSATION)
public class Groups extends TablePageBean<Group> implements Serializable {

    private final static Log log = LogFactory.getLog(Groups.class);

    private int groupAjaxListenerId;

    @In(value="groupsDataModel")
    @Override
    public void setDataModel(ExtendedDataModel<Group> dataModel) {
        super.setDataModel(dataModel);
    }

    @Create
    @Begin(join = false)
    public void init() {
        groupAjaxListenerId = GroupAjaxListener.getInstance().register();
        log.debug("Added ajax listener" + groupAjaxListenerId);
    }

    @Destroy
    public void destroy() {
        GroupAjaxListener.getInstance().unregister(groupAjaxListenerId);
        log.debug("Removed ajax listener" + groupAjaxListenerId);
    }

    public List<String> getUpdatedIds() {
        return GroupAjaxListener.getInstance().getUpdatedGroups(groupAjaxListenerId);
    }
}