SceneConditionNode.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.cnery.actions.SceneConditionHome;
import com.daveoxley.cnery.dao.SceneConditionDAO;
import com.daveoxley.cnery.entities.AbstractCondition;
import com.daveoxley.cnery.entities.AbstractCondition.Logic;
import com.daveoxley.cnery.entities.Scene;
import com.daveoxley.cnery.entities.SceneCondition;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.TreeMap;
import org.jboss.seam.Component;
import org.jboss.seam.core.Interpolator;

/**
 *
 * @author dave
 */
public class SceneConditionNode extends TreeNode<SceneCondition> implements Serializable {

    public enum Type {
        LOGIC,
        CONDITION;
    };

    private Type type;
    private SceneCondition condition;
    private Scene scene;
    private Map<Long,TreeNode> logicNodes;
    private Map<Long,TreeNode> conditionNodes;

    public SceneConditionNode(Scene scene, Type type) {
        this.condition = null;
        this.scene = scene;
        this.type = type;
    }

    private SceneConditionDAO getSceneConditionDAO() {
        return (SceneConditionDAO)Component.getInstance(SceneConditionDAO.class);
    }

    public SceneConditionNode(SceneCondition condition) {
        this.condition = condition;
        this.scene = condition.getScene();
        if (condition.getActionType() == SceneCondition.ActionType.LOGIC)
            type = Type.LOGIC;
        else
            type = Type.CONDITION;
    }

    public List<SceneConditionNode> getLogicNodes() {
        if (logicNodes == null)
            logicNodes = new TreeMap<Long,TreeNode>();

        mergeNodes(logicNodes, getSceneConditionDAO().findLogicSceneConditions(scene, condition));

        return new ArrayList(logicNodes.values());
    }

    public List<SceneConditionNode> getConditionNodes() {
        if (conditionNodes == null)
            conditionNodes = new TreeMap<Long,TreeNode>();

        mergeNodes(conditionNodes, getSceneConditionDAO().findNonLogicSceneConditions(scene, condition));

        return new ArrayList(conditionNodes.values());
    }

    @Override
    protected SceneCondition getEntity() {
        return condition;
    }

    @Override
    protected TreeNode getNewTreeNode(SceneCondition sac) {
        return new SceneConditionNode(sac);
    }

    public String getDescription() {
        if (condition != null) {
            SceneConditionHome home = (SceneConditionHome)Component.getInstance(SceneConditionHome.class, true);
            home.setId(condition.getId());
            condition = home.getInstance();
        }

        if (type == Type.LOGIC) {
            if (condition == null)
                return "And";
            else if (condition.getLogic() == Logic.AND)
                return "And";
            else if (condition.getLogic() == Logic.OR)
                return "Or";
            else
                throw new IllegalStateException();
        }

        String conditionDesc = getEnumDesc(condition.getAction().getDescription()) + " scene to action ";
        if (condition.getActionType() == AbstractCondition.ActionType.TIME) {
            conditionDesc = conditionDesc + "if time is " + getEnumDesc(condition.getTimeAfterBefore().getDescription()) + " " +
                    getEnumDesc(condition.getTimeWhen().getDescription()) + " " + getEnumDesc(condition.getTimePlusMinus().getDescription()) + " " +
                    condition.getTimeMinutes() + " minutes";
        }
        else {
            if (condition.getActionType() == AbstractCondition.ActionType.GROUP) {
                conditionDesc = conditionDesc + "if group " + condition.getDependGroupName();
            }
            else if (condition.getActionType() == AbstractCondition.ActionType.SCENE) {
                conditionDesc = conditionDesc + "if scene " + condition.getDependSceneName();
            }
            conditionDesc = conditionDesc + " is " + getEnumDesc(condition.getGroupOnOff().getDescription());
        }
        return conditionDesc;
    }

    private String getEnumDesc(String value) {
        return Interpolator.instance().interpolate("#{messages['" + value + "']}");
    }
}