package org.simantics.district.network.profile;

import org.simantics.db.ReadGraph;
import org.simantics.db.Resource;
import org.simantics.db.exception.DatabaseException;
import org.simantics.diagram.profile.StyleBase;
import org.simantics.scenegraph.INode;
import org.simantics.scenegraph.g2d.nodes.SingleElementNode;
import org.simantics.scenegraph.profile.EvaluationContext;
import org.simantics.scenegraph.profile.common.ProfileVariables;

/**
 * @author Tuukka Lehtonen
 */
public class HideStyle extends StyleBase<Boolean> {

    @Override
    public Boolean calculateStyle(ReadGraph graph, Resource runtimeDiagram, Resource entry, Resource groupItem) throws DatabaseException {
        return Boolean.TRUE;
    }

    @Override
    public void applyStyleForNode(EvaluationContext evaluationContext, INode node, Boolean result) {
        SingleElementNode n = (SingleElementNode) node;
        for (INode nn : n.getNodes())
            ProfileVariables.claimNodeProperty(nn, "hidden", true, evaluationContext);
    }
    
    @Override
    protected void cleanupStyleForNode(EvaluationContext evaluationContext, INode node) {
        SingleElementNode n = (SingleElementNode) node;
        for (INode nn : n.getNodes())
            ProfileVariables.claimNodeProperty(nn, "hidden", false, evaluationContext);
    }

    @Override
    public String toString() {
        return "Hide";
    }

}