partfactory.java

GEF初学者可以用来对照的小例子

/*
 * Created on 2005-1-24
 *
 * TODO To change the template for this generated file go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
package com.example.parts;

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

import com.example.model.Connection;
import com.example.model.Diagram;

/**
 * @author zhanghao
 *
 * TODO To change the template for this generated type comment go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
public class PartFactory implements EditPartFactory {

    public EditPart createEditPart(EditPart context, Object model) {
        EditPart part = null;
        if (model instanceof Diagram)
            part = new DiagramPart();
        else if (model instanceof Connection) 
            part = new ConnectionPart();
        else
            part = new NodePart();
        part.setModel(model);
        return part;
    }
}