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.eclipse.jface.viewers.ISelection;
import org.simantics.browsing.ui.content.Labeler.Modifier;
import org.simantics.db.ReadGraph;
import org.simantics.db.Resource;
import org.simantics.db.Session;
import org.simantics.db.WriteGraph;
import org.simantics.db.exception.DatabaseException;
import org.simantics.interop.Activator;
import org.simantics.interop.stubs.InteropResource;
import org.simantics.modeling.ui.modelBrowser.model.INode;

@SuppressWarnings("deprecation")
public class ImportNode implements INode {
	
	//private Resource project;
	private Resource model;
	
	public ImportNode(Resource project) {
		this.model = project;
	}
	
	@SuppressWarnings("rawtypes")
	@Override
	public Object getAdapter(Class adapter) {
		return null;
	}
	
	@Override
	public int getCategory(ReadGraph graph) throws DatabaseException {
		return 0;
	}
	
	
	@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 Modifier getModifier(Session session, String columnId) {
		// TODO Auto-generated method stub
		return null;
	}
	
	@Override
	public void handleDelete(WriteGraph graph) throws DatabaseException {
		// TODO Auto-generated method stub
		
	}
	
	@Override
	public void handleDrop(Session session, ISelection selection) {
		// TODO Auto-generated method stub
		
	}
	
	@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(model, i.HasImportData);
		for (Resource o : objs) {
			if (graph.isInstanceOf(o, i.ImportLibrary)) {
				INode node = graph.adapt(o, INode.class);
				nodes.add(node);
			}
		}
		return nodes;
		
	}
	

}