package org.simantics.district.network.ui.templates;

import java.util.Map;
import java.util.UUID;

import org.simantics.db.Resource;
import org.simantics.db.WriteGraph;
import org.simantics.db.exception.DatabaseException;
import org.simantics.db.layer0.adapter.Template;
import org.simantics.diagram.stubs.DiagramResource;
import org.simantics.diagram.synchronization.graph.layer.GraphLayer;
import org.simantics.diagram.synchronization.graph.layer.IGraphLayerUtil;
import org.simantics.district.network.ontology.DistrictNetworkResource;

public class AddLayerToDNDiagramTemplate implements Template {

    Resource template;
    
    public AddLayerToDNDiagramTemplate(Resource template) {
        this.template = template;
    }
    
    @Override
    public void apply(WriteGraph graph, Map<String, Object> parameters) throws DatabaseException {
        Resource diagram = (Resource)parameters.get("diagram");
        if (diagram == null) {
            diagram = graph.newResource();
            parameters.put("diagram", diagram);
        }
        
        DiagramResource DIA = DiagramResource.getInstance(graph);
        IGraphLayerUtil layerUtil = graph.adapt(DistrictNetworkResource.getInstance(graph).Layer, IGraphLayerUtil.class);
        GraphLayer layer = layerUtil.createLayer(graph, UUID.randomUUID().toString(), true);
        
        // Create layer
        graph.claim(diagram, DIA.HasLayer, layer.getLayer());
        
    }

}