// File: ActionUmlAttr.java
// Classes: ActionSetUmlAttr
// Original Author: Kedar Patankar
// Date 21 Jan 1997

package uci.graphedit;

import java.awt.Dialog;
import gjt.DialogClient;


/** Action to modify the vertex name after user selects the netnode */
 

public class ActionSetUmlAttr extends Action implements DialogClient
{
  
	private Selection _sel;
	private Fig _element;

  
	/** Construct a new ActionSetAttr that sets one attribute value */
	public ActionSetUmlAttr(Editor editor,Document d){ super(editor,d);}

	public String name() { return "Set Vertex Attributes"; }
	
	public void doIt() 
	{
		DiagramElement _de;
		if (_document == null) return;
		_sel = _document.selection();
		if (_sel.size()!=1) return;
		_de = _document.selectionsingle();					  
		if (_de instanceof Perspective)
		{
			_element=((Perspective)_de).get_first();
			String name=_element.get_label();
			VertDialog vd = new VertDialog(_editor,this,"Change Vertex Name",name);
			vd.show();
		}
		else
		if (_de instanceof ArcPerspective)
		{
			_element = ((ArcPerspective)_de).get_figure();
			if (_element instanceof FigAltEdge)  return;
			
			String name=((FigConstEdge)_element).get_label();
			String card=((FigConstEdge)_element).get_cardinality();
			ConstEdgeDialog ced = new ConstEdgeDialog
			(_editor,this,"Change Edge Properties",name,card);
			ced.show();
		}
	}
	
	public void undoIt() { }
	
	public void dialogDismissed (Dialog dl) 
	{ 
		if (dl instanceof VertDialog)
		{
			String name = ((VertDialog)dl).get_vertex_name();
			_element.set_label(name,_document);
		}
		else 
		if (dl instanceof ConstEdgeDialog)
		{
			String name = ((ConstEdgeDialog)dl).get_edge_name();
			String card = ((ConstEdgeDialog)dl).get_cardinality();
			((FigConstEdge)_element).set_label(name);
			((FigConstEdge)_element).set_cardinality(card);
		}
		_document.damaged(_sel);
		_document.repairDamage();
		_document.isSaved(false);
	}

} /* end class ActionSetUmlAttr */