package com.opensymphony.workflow.designer;import java.util.Iterator;import java.util.List;import com.opensymphony.workflow.loader.ActionDescriptor;import com.opensymphony.workflow.loader.ConditionalResultDescriptor;import com.opensymphony.workflow.loader.ResultDescriptor;import com.opensymphony.workflow.loader.StepDescriptor;import org.jgraph.graph.GraphConstants;public class StepCell extends WorkflowCell implements ResultAware{  private StepDescriptor descriptor;  // Construct Cell for Userobject  public StepCell(StepDescriptor userObject)  {    super(userObject);    setAttributes(new WorkflowAttributeMap(getAttributes()));    GraphConstants.setEditable(attributes, true);    descriptor = userObject;    id = descriptor.getId();    name = descriptor.getName();  }  public String toString()  {    return descriptor.getName();  }  public String getName()  {    return descriptor.getName();  }  public StepDescriptor getDescriptor()  {    return descriptor;  }  public boolean removeResult(ResultDescriptor result)  {    Iterator iter = descriptor.getActions().iterator();    boolean removed = false;    while(iter.hasNext())    {      ActionDescriptor action = (ActionDescriptor)iter.next();      if(result instanceof ConditionalResultDescriptor)      {        List list = action.getConditionalResults();        if(list != null)        {          for(int i = 0; i < list.size(); i++)          {            if(list.get(i) == result)            {              list.remove(i);              if(action.getUnconditionalResult()==null)              {                iter.remove();              }              removed = true;            }          }        }      }      else      {        if(action.getUnconditionalResult() == result)        {          action.setUnconditionalResult(null);          if(action.getConditionalResults().size()==0)          {            iter.remove();          }          removed = true;        }      }    }    if(descriptor.getActions().size() == 0 && descriptor.getCommonActions().size() == 0)    {      descriptor.removeActions();    }    return removed;  }}