// File: ConstClass.java
// Classes: ConstClass
// Original Author  : Kedar Patankar - Alberto Medina
// Date 21 Jan 1997

package uci.graphedit;

import java.awt.Graphics;
import java.awt.FontMetrics;
import java.awt.Color;
import java.awt.Point;

/** An example subclass of NetNode for use in the Example application.
 *
 * @see Example */
public class ConstClass extends NetNode 
{
	private Document _document;

   /** Initialize a new ConstClass from the given default node and
    * application specific model. <p>
    *
    * Needs-More-Work: for now we construct the Perspective
    * programatically, but eventually we will store it in a class
    * variable and just refer to it, or copy it(?). That way the user
    * can edit the Perspective(s) stored in the class variable and
    * have those changes shown for all existing nodes, or for all
    * future nodes. Maybe I should think about doing virtual copies?
    * <p>
    */

  public void initialize(NetNode deft, String name,Document d,Point click) 
  {
	  _document = d;
	  uid=_document.nextId();
	  buildPerspective(click.x,click.y,name);
  }

  public void initialize(VertexInfo vertexinfo,Document d,int id) 
  {
	  int x = vertexinfo.get_position().x;
	  int y = vertexinfo.get_position().y;
	  String name = vertexinfo.get_name();
	  _document = d;
	  uid=id;
	  buildPerspective(x,y,name);
  }
  
  public void buildPerspective(int x,int y,String name)
  {
	  int width,height;
	  width=_document.vertexSize().x;
	  height=_document.vertexSize().y;

	  Graphics g = _document.getGraphics();
	  g.setFont(_document.getFont());
	  int maxnooflines, nooflines, letterHeight,stringWidth;
	
      FontMetrics fm =g.getFontMetrics();
	  stringWidth = fm.stringWidth(name);
	  letterHeight = fm.getHeight();

	  while(true)
	  {
		maxnooflines=(height-2)/letterHeight;
		nooflines=(stringWidth/(width-4)) + 1;
		if (nooflines>maxnooflines)
		{
			width = (int)(1.05 * (double)width);
			height =(int)(1.1 * (double)height);
		}
		else
			break;
	  }
	  Integer x2 = new Integer(width);
	  Integer y2 = new Integer(height);	

	  Color fill = (Color)_document.getGraphicAttribute("FillColor");
	  Color border = (Color)_document.getGraphicAttribute("LineColor");

	  Integer x1=new Integer(x);
	  Integer y1=new Integer(y);
      Fig obj1 = new FigConstVert(x1, y1, x2, y2, border, fill, name);
      
	  Perspective pers1 = new Perspective(this, obj1);
      pers1.position(x,y);
	  set_Perspective(pers1);
   }

} /* end class ConstClass */