SceneConditionSelectionService.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.services;

import com.daveoxley.cnery.dao.SceneConditionDAO;
import com.daveoxley.cnery.entities.SceneCondition;
import com.daveoxley.seam.SelectionService;
import com.daveoxley.seam.exceptions.EntityNotFoundException;
import java.io.Serializable;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.jboss.seam.Component;
import org.jboss.seam.ScopeType;
import org.jboss.seam.annotations.In;
import org.jboss.seam.annotations.Name;
import org.jboss.seam.annotations.Observer;
import org.jboss.seam.annotations.Out;
import org.jboss.seam.annotations.Scope;
import org.jboss.seam.core.Events;

/**
 *
 * @author Dave Oxley <dave@daveoxley.co.uk>
 */
@Name("sceneConditionSelectionService")
@Scope(ScopeType.PAGE)
public class SceneConditionSelectionService extends SelectionService<Long> implements Serializable {

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

    @In
    private SceneConditionDAO sceneConditionDAO;

    @In
    private Events events;

    @Out(value="selectedSceneConditionId",required=false,scope=ScopeType.PAGE)
    @Override
    public Long getSelectedId() {
        return super.getSelectedId();
    }

    @Override
    public void setSelectedId(Long selectedId) throws EntityNotFoundException {
        super.setSelectedId(selectedId);
        SceneCondition sceneCondition = getSelectedSceneCondition();
        if (sceneCondition != null) {
            ParentSceneConditionSelectionService psacs = (ParentSceneConditionSelectionService)Component.getInstance(ParentSceneConditionSelectionService.class);
            if (sceneCondition.getParent() == null)
                psacs.setSelectedId(null);
            else
                psacs.setSelectedId(sceneCondition.getParent().getId());
            SceneSelectionService sss = (SceneSelectionService)Component.getInstance(SceneSelectionService.class);
            sss.setSelectedId(sceneCondition.getScene().getId());
        }
    }

    @Override
    protected Long cast(Object o) {
        return (Long)o;
    }

    @Out(required=false)
    public SceneCondition getSelectedSceneCondition() throws EntityNotFoundException {
        Long selectedSceneConditionId = getSelectedId();
        if (selectedSceneConditionId == null || selectedSceneConditionId <= 0)
            return null;

        try {
            SceneCondition sceneCondition = sceneConditionDAO.findSceneCondition(selectedSceneConditionId);
            log.debug("SceneConditionSelectionService.getSelectedSceneCondition: " + sceneCondition != null ? sceneCondition.getId() : "null");
            return sceneCondition;
        } catch (Exception ex) {
            throw new EntityNotFoundException(selectedSceneConditionId.toString());
        }
    }

    /* No name currently
    @Factory(autoCreate=true,value="selectedSceneConditionName")
    public String createSelectedSceneConditionName() throws Exception {
        log.debug("SceneConditionSelectionService.createSelectedSceneConditionName = " + selectedSceneConditionId);
        SceneCondition sceneCondition = getSelectedSceneCondition();
        if (sceneCondition == null)
            return null;
        return sceneCondition.getGroupName();
    }*/

    @Observer(create=false,value="clearSceneConditionSelection")
    public void clearSceneConditionSelection() {
        events.raiseEvent("sceneConditionsUpdated", (Object)null);
    }

    @Observer(create=false,value="sceneConditionsUpdated")
    public void updateSceneConditionSelection(Long selectionKey) throws EntityNotFoundException {
        setSelectedId(selectionKey);
    }
}