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path: root/source/com/c2kernel/lifecycle/instance/Next.java
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package com.c2kernel.lifecycle.instance;

import com.c2kernel.graph.model.GraphPoint;
import com.c2kernel.graph.model.GraphableEdge;

/**
 * @version $Revision: 1.58 $ $Date: 2005/05/10 15:14:54 $
 * @author  $Author: abranson $
 */
/** this class represents the link between 2 successive activities */
public class Next extends GraphableEdge
{
	/**
	 * @see java.lang.Object#Object()
	 */
	public Next()
	{
		super();
	}

	/**
	 * Method Next.
	 * @param pre
	 * @param nex
	 */
	/** create and initialize a link between an Activities */
	public Next(WfVertex pre, WfVertex nex)
	{
		super(pre, nex);
        getProperties().put("Alias","");
        getProperties().put("Type","Straight");        
	}

	/**
	 * Method verify.
	 * @return boolean
	 */
	public boolean verify()
	{
		return true;
	}
    public WfVertex getTerminusVertex()
    {
        return (WfVertex)((CompositeActivity)getParent()).getWf().search(getParent().getPath()+"/"+this.getTerminusVertexId());
    }
	public boolean containsPoint(GraphPoint p)
	{
		GraphPoint originPoint = getOriginPoint();
		GraphPoint terminusPoint = getTerminusPoint();
		GraphPoint midPoint = new GraphPoint();

		if (("Broken +".equals(getProperties().get("Type"))))
		{
			midPoint.x = (originPoint.x + terminusPoint.x) / 2;
			midPoint.y = (originPoint.y + terminusPoint.y) / 2;
		}
		else if (("Broken -".equals(getProperties().get("Type"))))
		{
			boolean arrowOnY = !(originPoint.y - terminusPoint.y < 60 && originPoint.y - terminusPoint.y > -60);
			midPoint.x = arrowOnY ? terminusPoint.x : (originPoint.x + terminusPoint.x) / 2;
			midPoint.y = arrowOnY ? (originPoint.y + terminusPoint.y) / 2 : originPoint.y;
		}
		else if (("Broken |".equals(getProperties().get("Type"))))
		{
			boolean arrowOnY = !(originPoint.y - terminusPoint.y < 60 && originPoint.y - terminusPoint.y > -60);
			midPoint.x = arrowOnY ? originPoint.x : (originPoint.x + terminusPoint.x) / 2;
			midPoint.y = arrowOnY ? (originPoint.y + terminusPoint.y) / 2 : terminusPoint.y;
		}
		else
		{
			midPoint.x = originPoint.x + (terminusPoint.x - originPoint.x) / 2;
			midPoint.y = originPoint.y + (terminusPoint.y - originPoint.y) / 2;
		}

		int minX = midPoint.x - 10;
		int minY = midPoint.y - 10;
		int maxX = midPoint.x + 10;
		int maxY = midPoint.y + 10;

		return (p.x >= minX) && (p.x <= maxX) && (p.y >= minY) && (p.y <= maxY);
	}
}