flowmodel.java

来自「JGraph扩展应用。自定义Renderer,自定义视图View实现自定义工作流」· Java 代码 · 共 25 行

/**
 * 
 */
package flow.graph.gui.graph;

import org.jgraph.graph.DefaultGraphModel;
import org.jgraph.graph.Edge;

/**
 * @author Administrator
 *
 */
public class FlowModel extends DefaultGraphModel{
	public boolean acceptsSource(Object edge, Object port) {
		// Source only Valid if not Equal Target
		return (((Edge) edge).getTarget() != port);
	}

	// Override Superclass Method
	public boolean acceptsTarget(Object edge, Object port) {
		// Target only Valid if not Equal Source
		return (((Edge) edge).getSource() != port);
	}
}