partfactory.java

GEF初学者可以用来对照的小例子

package com.dss.moon.gef.parts;

import org.eclipse.gef.EditPart;
import org.eclipse.gef.EditPartFactory;

import com.dss.moon.gef.model.Diagram;
import com.dss.moon.gef.model.Ellipse;

public class PartFactory implements EditPartFactory {

	  
    public EditPart createEditPart(EditPart context, Object model) {

           EditPart editPart = null;

           if (model instanceof Diagram) {

                  editPart = new DiagramPart();

           } else if (model instanceof Ellipse) {

                  editPart = new EllipsePart();

           } 

           if (editPart != null) {

                  editPart.setModel(model);

           }            

           return editPart;

    }

}