package com.opensymphony.workflow.designer;import java.awt.Point;import java.awt.geom.Point2D;import java.io.PrintWriter;import java.util.ArrayList;import com.opensymphony.workflow.loader.XMLUtil;import com.opensymphony.workflow.util.XMLizable;import org.jgraph.graph.GraphConstants;import org.jgraph.graph.EdgeView;import org.w3c.dom.Element;/** * @author Hani Suleiman (hani@formicary.net) *         Date: Dec 1 2003 *         Time: 10:09:13 PM */public class ResultPosition implements XMLizable{  private Point2D labelPos;  private int id;  private float lineWidth = 1;  private int color = 0;  private int from;  private int to;  private java.util.List routingPoints = new ArrayList();  public ResultPosition(WorkflowGraph graph, ResultEdge edge)  {    id = edge.getDescriptor().getId();    EdgeView view = (EdgeView)graph.getGraphLayoutCache().getMapping(edge, false);    labelPos = view.getLabelPosition();    from = ((WorkflowPort)((ResultEdge)view.getCell()).getSource()).getIndex();    to = ((WorkflowPort)((ResultEdge)view.getCell()).getTarget()).getIndex();    lineWidth = GraphConstants.getLineWidth(edge.getAttributes());    color = GraphConstants.getForeground(edge.getAttributes()).getRGB();    for(int i = 0; i < (view.getPointCount() - 2); i++)    {      routingPoints.add(new Point((int)view.getPoint(i + 1).getX(), (int)view.getPoint(i + 1).getY()));    }  }  public ResultPosition(Element edge)  {    try    {      String attr = edge.getAttribute("id");      if(attr != null && attr.length() > 0)        id = Integer.parseInt(attr);      attr = edge.getAttribute("linewidth");      if(attr != null && attr.length() > 0)        lineWidth = Float.parseFloat(attr);      attr = edge.getAttribute("color");      if(attr != null && attr.length() > 0)        color = Integer.parseInt(attr);      labelPos = new Point2D.Double();      attr = edge.getAttribute("labelx");      double x = 0;      double y = 0;      if(attr != null && attr.length() > 0)        x = Double.parseDouble(attr);      attr = edge.getAttribute("labely");      if(attr != null && attr.length() > 0)        y = Double.parseDouble(attr);      if(x !=0 && y != 0)      {        labelPos.setLocation(x, y);      }      attr = edge.getAttribute("from");      if(attr != null && attr.length() > 0)        from = Integer.parseInt(attr);      attr = edge.getAttribute("to");      if(attr != null && attr.length() > 0)        to = Integer.parseInt(attr);    }    catch(Exception e)    {      System.out.println("Error parsing result position:" + e);    }  }  public void writeXML(PrintWriter writer, int indent)  {    XMLUtil.printIndent(writer, indent);    StringBuffer buf = new StringBuffer();    buf.append("<connector ");    buf.append("id=\"").append(id).append('\"');    buf.append(" linewidth=\"").append(lineWidth).append('\"');    buf.append(" color=\"").append(color).append('\"');    buf.append(" labelx=\"").append(labelPos.getX()).append('\"');    buf.append(" labely=\"").append(labelPos.getY()).append('\"');    buf.append(" from=\"").append(from).append('\"');    buf.append(" to=\"").append(to).append('\"');    writer.print(buf.toString());    if(routingPoints.size() > 0)    {      writer.println('>');      for(int i = 0; i < routingPoints.size(); i++)      {        StringBuffer pointbuf = new StringBuffer();        XMLUtil.printIndent(writer, indent + 1);        pointbuf.append("<routing");        pointbuf.append(" id=\"").append(id).append('\"');        pointbuf.append(" x=\"").append(((Point)routingPoints.get(i)).x).append('\"');        pointbuf.append(" y=\"").append(((Point)routingPoints.get(i)).y).append('\"');        pointbuf.append("/>");        writer.println(pointbuf.toString());      }      XMLUtil.printIndent(writer, indent++);      writer.println("</connector>");    }    else    {      writer.println("/>");    }  }  public Point2D getLabelPosition()  {    return labelPos;  }  public float getLineWidth()  {    return lineWidth;  }  public int getColor()  {    return color;  }  public int getId()  {    return id;  }  public int getFrom()  {    return from;  }  public int getTo()  {    return to;  }}