// File: ActionCreateVertex.java
// Classes: ActionCreateVertex
// Original Author:Kedar Patankar + Alberto Medina
// Date 11 Feb 1997

package uci.graphedit;

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



/**
 * Editor Action to create a new Perspective on a new Construction class. When
 * this Action is executed it makes the new objects as per its
 * arguments, and then it sets the global next mode to ModePlace so
 * that the user can place the new node in any editor window.
 * @see ModePlace
 * @see FigConstVert
 * @see Perspective
 */

public class ActionCreateVertex extends Action implements DialogClient
{
	/** the class of the new NetNode */
	private Class _nodeClass;
	private Point _click;

	public ActionCreateVertex(String className, Editor editor,Point p) 
	{
		super(editor);
		_args.put("className", className);
		try { _nodeClass = Class.forName(className); }
		catch (java.lang.ClassNotFoundException i) 
		{
			System.out.println("Class " + className + " could not be found!");
			return; 
		}
		_click=p;
	}

    public String name() { return "Create Vertex"; }

  /** Actually instanciate the NetNode and Perspective objects and
   * set the global next mode to ModePlace */
    public void doIt() 
	{
		if (_nodeClass==null)
			return;
		VertDialog dialog = new VertDialog(_editor,this,"Enter Vertex Name");
		dialog.show();
	}

	public void undoIt() { }
	
	public void dialogDismissed(Dialog dl) 
	{ 
		String name = ((VertDialog)dl).get_vertex_name();
		NetNode newNode;
		Document _document=_editor.curDocument();
		try { newNode = (NetNode) _nodeClass.newInstance();}
		catch (java.lang.IllegalAccessException ignore) { return; }
		catch (java.lang.InstantiationException ignore) { return; }
		newNode.initialize(newNode, name,_document,_click);

		Perspective defaultPerspective = newNode.get_Perspective();
		_document.add(defaultPerspective);
	}

} /* end class ActionCreateVertex */