package org.simantics.document.linking.report.evaluator;

import java.text.DateFormat;
import java.util.Map;

import org.eclipse.jface.resource.ImageDescriptor;
import org.simantics.db.ReadGraph;
import org.simantics.db.exception.DatabaseException;
import org.simantics.db.layer0.variable.Variable;
import org.simantics.document.linking.Activator;
import org.simantics.document.linking.ontology.DocumentLink;
import org.simantics.objmap.graph.annotations.GraphType;


@GraphType(DocumentLink.URIs.EvaluatorTree_Date)
public class Date extends EvaluatorLeaf {
	
	
	@Override
	public String getValue(ReadGraph graph, Variable variable, Map<Object, Object> context) throws DatabaseException {
		return getDate();
	}
	

	@Override
	public String toString() {
		return getDate();
	}

	private String getDate() {
		java.util.Date date = new java.util.Date(System.currentTimeMillis());
		String dateString = DateFormat.getDateTimeInstance().format(date);
		return dateString;
	}
	
	@Override
	public EvaluatorItem copy() {
		return new Date();
	}
	
	@Override
	public ImageDescriptor getImage() {
		return Activator.imageDescriptorFromPlugin("com.famfamfam.silk", "icons/date.png"); //$NON-NLS-1$ //$NON-NLS-2$
	}

}