package org.simantics.interop.browsing;

import java.util.ArrayList;
import java.util.Collection;
import java.util.List;

import org.eclipse.jface.resource.ImageDescriptor;
import org.simantics.db.ReadGraph;
import org.simantics.db.Resource;
import org.simantics.db.exception.DatabaseException;
import org.simantics.interop.Activator;
import org.simantics.interop.stubs.InteropResource;

public class ImportNode2 implements INode {
	
	private Resource project;
	
	public ImportNode2(Resource project) {
		this.project = project;
	}
	
	@Override
	public <T> T getAdapter(Class<T> adapter) {
		return null;
	}

	
	
	@Override
	public ImageDescriptor getImage(ReadGraph graph) throws DatabaseException {
		return Activator.imageDescriptorFromPlugin(Activator.PLUGIN_ID, "icons/silk/database_connect.png");
	}
	
	@Override
	public String getLabel(ReadGraph graph) throws DatabaseException {
		return "Imports";
	}
	
	@Override
	public boolean hasChildren(ReadGraph graph) throws DatabaseException {
		return getChildren(graph).size() > 0;
	}
	
	@Override
	public Collection<?> getChildren(ReadGraph graph) throws DatabaseException {
		List<INode> nodes = new ArrayList<INode>();
		InteropResource i = InteropResource.getInstance(graph);

		Collection<Resource> objs = graph.getObjects(project, i.HasImportData);
		for (Resource o : objs) {
			if (graph.isInstanceOf(o, i.ImportLibrary)) {
				INode node = graph.adapt(o, INode.class);
				nodes.add(node);
			}
		}
		return nodes;

	}
	
	@Override
	public int getCategory(ReadGraph graph) throws DatabaseException {
		return 0;
	}
	

}