package jalview.renderer;

import jalview.datamodel.AlignmentAnnotation;
import jalview.renderer.api.AnnotationRendererFactoryI;
import jalview.renderer.api.AnnotationRowRendererI;

import java.util.IdentityHashMap;

public class AnnotationRendererFactory implements
        AnnotationRendererFactoryI
{

  private static AnnotationRendererFactoryI factory = null;

  public static AnnotationRendererFactoryI getRendererFactory()
  {
    if (factory == null)
    {
      factory = new AnnotationRendererFactory();
    }
    return factory;
  }

  IdentityHashMap<Object, AnnotationRowRendererI> renderers = new IdentityHashMap<Object, AnnotationRowRendererI>();

  public AnnotationRendererFactory()
  {
    // renderers.put)
  }

  @Override
  public AnnotationRowRendererI getRendererFor(AlignmentAnnotation row)
  {
    if (row.graph == AlignmentAnnotation.CUSTOMRENDERER)
    {
      return new ContactMapRenderer();
    }
    return null;
  }

}