// file: Vertex.java//// import java libraries//import java.awt.*;import java.awt.event.*;import javax.swing.*;import javax.swing.event.*;import java.util.*;import java.io.*;import java.lang.*;import javax.swing.border.*;public class Vertex extends JButton implements Serializable, Constants {    // ---------------------------------------------------    //    // declare class member data    //    // ---------------------------------------------------    // the relevant information about the vertex    //    public String vertexName = null;    public String iconName = null;    public int vertexType = NONE;    public int vertexImpl = NONE;    public ImageIcon vertexIcon = null;    public Point vertexLocation = null;        // the parents and children of the vertex    //    public Vector vertexParents = null;    public Vector vertexChildren = null;    // the dimensions of the vertex    //    public int vertexWidth = -1;    public int vertexHeight = -1;    // container related data types    //    public Vector vertexContainer = null;    // parameters used by the algorithm vertex    //    public Vector values =new Vector(5,5);    public Vector names = new Vector(5,5);    public Vector types = new Vector(5,5);    public String association = null;    public Vector subclass =new Vector(5,5);     public int max_subclass = 0;    public Vector subparam =new Vector(5,5);     public int max_subparam = 0;    public Vector identify = new Vector(5,5);    public boolean actionAdded = false;    public static boolean isAdd = false;    // ---------------------------------------------------    //    // class constructors    //    // ---------------------------------------------------    // method: Vertex    //    // arguments: none    // returns: none    //    public Vertex() {		// invoke the parent constructor	//	super();	// set the font of the vertex	//	setFont(newFont);	// disable the focus from being painted	//	setFocusPainted(false);	// disable the content area from being painted	//	setContentAreaFilled(false); 	// set the horizontal text position	//	setHorizontalTextPosition(SwingConstants.CENTER);	// initialize class vector data types	//	vertexParents = new Vector(10, 10);	vertexChildren = new Vector(10, 10);	// set the default dimensions of the vertex	//	setBackground(Color.white);	setSize(VERTEX_WIDTH, VERTEX_HEIGHT);	setPreferredSize(new Dimension(VERTEX_WIDTH, VERTEX_HEIGHT));	setMinimumSize(new Dimension(VERTEX_WIDTH, VERTEX_HEIGHT));	setVertexWidth(VERTEX_WIDTH);	setVertexHeight(VERTEX_HEIGHT);    }    // method: Vertex    //    // arguments:    //   String name: (input) vertex name    //   int type: (input) vertex type    // returns: none    //    public Vertex(String name) {		// invoke the parent constructor	//	super(name);		//setBorder(LineBorder.createGrayLineBorder());	//setBorder(new EtchedBorder());	//setBorderPainted(true);	// set the font of the vertex	//	//setFont(newFont);	// disable the focus from being painted	//	//setFocusPainted(true);	// disable the content area from being painted	//	//setContentAreaFilled(true); 	// set the horizontal text position	//	//setHorizontalTextPosition(SwingConstants.CENTER);	    }    // method: Vertex    //    // arguments:    //   String name: (input) vertex name    //   int type: (input) vertex type    // returns: none    //    public Vertex(String name, int type, int impl) {		// invoke the parent constructor	//	super(name);	// set the format and name of the vertex	//	vertexName = name;	vertexType = type;	vertexImpl = impl;	// set the name of the vertex	//	if (name.length() > 5) {	    setText(name.substring(0, 5));	}	else {	    setText(name);	}	// set the font of the vertex	//	setFont(newFont);	// disable the focus from being painted	//	setFocusPainted(false);	// disable the content area from being painted	//	setContentAreaFilled(false); 	// set the horizontal text position	//	setHorizontalTextPosition(SwingConstants.CENTER);	// initialize class vector data types	//	switch (vertexType) {	case CONTAINER:	    vertexParents = new Vector(10, 10);	    vertexChildren = new Vector(10, 10);	    vertexContainer = new Vector(50, 10);	    break;	    	default:	    vertexParents = new Vector(10, 10);	    vertexChildren = new Vector(10, 10);	    break;	}	// set the default dimensions of the vertex	//	switch (vertexType) {	case ALGORITHM:	    setBackground(Color.white);	    setSize(ALGORITHM_WIDTH, ALGORITHM_HEIGHT);	    setPreferredSize(new Dimension(ALGORITHM_WIDTH, ALGORITHM_HEIGHT));	    setMinimumSize(new Dimension(ALGORITHM_WIDTH, ALGORITHM_HEIGHT));	    setVertexWidth(ALGORITHM_WIDTH);	    setVertexHeight(ALGORITHM_HEIGHT);	    break;	case CONTAINER:	    setBackground(Color.white);	    setSize(CONT_WIDTH, CONT_HEIGHT);	    setPreferredSize(new Dimension(CONT_WIDTH, CONT_HEIGHT));	    setMinimumSize(new Dimension(CONT_WIDTH, CONT_HEIGHT));	    setVertexWidth(CONT_WIDTH);	    setVertexHeight(CONT_HEIGHT);	    break;	    	default:	    setBackground(Color.cyan);	    setSize(VERTEX_WIDTH, VERTEX_HEIGHT);	    setPreferredSize(new Dimension(VERTEX_WIDTH, VERTEX_HEIGHT));	    setMinimumSize(new Dimension(VERTEX_WIDTH, VERTEX_HEIGHT));	    setVertexWidth(VERTEX_WIDTH);	    setVertexHeight(VERTEX_HEIGHT);	    break;	}    }    // method: Vertex    //    // arguments:    //   int type: (input) vertex type    //   ImageIcon icon: (input) vertex icon    // returns: none    //    public Vertex(ImageIcon icon, int type) {	// invoke the parent constructor	//	super(icon);	// set the format for the vertex	//	vertexName = new String("Algorithm");	vertexIcon = icon;	vertexType = type;	vertexImpl = NONE;	// set the font of the vertex	//	setFont(newFont);	// disable the focus from being painted	//	setFocusPainted(false);	// disable the content area from being painted	//	setContentAreaFilled(false); 	// set the horizontal text position	//	setHorizontalTextPosition(SwingConstants.CENTER);	// initialize class vector data types	//	switch (vertexType) {	case CONTAINER:	    vertexParents = new Vector(10, 10);	    vertexChildren = new Vector(10, 10);	    vertexContainer = new Vector(50, 10);	    break;	    	default:	    vertexParents = new Vector(10, 10);	    vertexChildren = new Vector(10, 10);	    break;	}	// set the default dimensions of the vertex	//	switch (vertexType) {	case ALGORITHM:	    setBackground(Color.white);	    setSize(ALGORITHM_WIDTH, ALGORITHM_HEIGHT);	    setPreferredSize(new Dimension(ALGORITHM_WIDTH, ALGORITHM_HEIGHT));	    setMinimumSize(new Dimension(ALGORITHM_WIDTH, ALGORITHM_HEIGHT));	    setVertexWidth(ALGORITHM_WIDTH);	    setVertexHeight(ALGORITHM_HEIGHT);	    break;	case CONTAINER:	    setBackground(Color.white);	    setSize(CONT_WIDTH, CONT_HEIGHT);	    setPreferredSize(new Dimension(CONT_WIDTH, CONT_HEIGHT));	    setMinimumSize(new Dimension(CONT_WIDTH, CONT_HEIGHT));	    setVertexWidth(CONT_WIDTH);	    setVertexHeight(CONT_HEIGHT);	    break;	    	default:	    setBackground(Color.cyan);	    setSize(VERTEX_WIDTH, VERTEX_HEIGHT);	    setPreferredSize(new Dimension(VERTEX_WIDTH, VERTEX_HEIGHT));	    setMinimumSize(new Dimension(VERTEX_WIDTH, VERTEX_HEIGHT));	    setVertexWidth(VERTEX_WIDTH);	    setVertexHeight(VERTEX_HEIGHT);	    break;	}    }    // method: Vertex    //    // arguments:    //   ImageIcon icon: (input) vertex icon    //   String name: (input) vertex name    //   int type: (input) vertex type    //   int impl: (input) vertex implementation    // returns: none    //    public Vertex(ImageIcon icon, String name, int type, int impl) {	// invoke the parent constructor	//	super(icon);	// set the format for the vertex	//	vertexName = name;	vertexIcon = icon;	vertexType = type;	vertexImpl = impl;	// set the vertex text	//	if (name.length() > 5) {	    setText(name.substring(0, 5));	}	else {	    setText(name);	}			// set the font of the vertex	//	setFont(newFont);	// disable the focus from being painted	//	setFocusPainted(false);	// disable the content area from being painted	//	setContentAreaFilled(false); 	// set the horizontal text position	//	setHorizontalTextPosition(SwingConstants.CENTER);	// initialize class vector data types	//	switch (vertexType) {	case CONTAINER:	    vertexParents = new Vector(10, 10);	    vertexChildren = new Vector(10, 10);	    vertexContainer = new Vector(50, 10);	    break;	    	default:	    vertexParents = new Vector(10, 10);	    vertexChildren = new Vector(10, 10);	    break;	}	// set the default dimensions of the vertex	//	switch (vertexType) {	case ALGORITHM:	    setBackground(Color.white);	    setSize(ALGORITHM_WIDTH, ALGORITHM_HEIGHT);	    setPreferredSize(new Dimension(ALGORITHM_WIDTH, ALGORITHM_HEIGHT));	    setMinimumSize(new Dimension(ALGORITHM_WIDTH, ALGORITHM_HEIGHT));	    setVertexWidth(ALGORITHM_WIDTH);	    setVertexHeight(ALGORITHM_HEIGHT);	    break;	case CONTAINER:	    setBackground(Color.white);	    setSize(CONT_WIDTH, CONT_HEIGHT);	    setPreferredSize(new Dimension(CONT_WIDTH, CONT_HEIGHT));	    setMinimumSize(new Dimension(CONT_WIDTH, CONT_HEIGHT));	    setVertexWidth(CONT_WIDTH);	    setVertexHeight(CONT_HEIGHT);	    break;	    	default:	    setBackground(Color.white);	    setSize(VERTEX_WIDTH, VERTEX_HEIGHT);	    setPreferredSize(new Dimension(VERTEX_WIDTH, VERTEX_HEIGHT));	    setMinimumSize(new Dimension(VERTEX_WIDTH, VERTEX_HEIGHT));	    setVertexWidth(VERTEX_WIDTH);	    setVertexHeight(VERTEX_HEIGHT);	    break;	}    }    // method: Vertex    //    // arguments: none    // returns: none    //    public Vertex(Vertex copy) {			super();	// set the vertex parameters	//	vertexType = copy.vertexType;	vertexImpl = copy.vertexImpl;	if (copy.vertexName != null) {	    vertexName = new String(copy.vertexName);	    	    if (vertexName.length() > 4) {		setText(vertexName.substring(0, 4));	    }	    else {		setText(vertexName);	    }	    setVertexName(vertexName);	    if(copy.iconName != null) {		 iconName = new String(copy.iconName);		 setText(iconName);	    }	}	if ((copy.vertexIcon != null)&&(copy.vertexIcon.getImage() != null)) {	    vertexIcon = new ImageIcon(copy.vertexIcon.getImage());	    setIcon(vertexIcon);	}	// set the vertex arcs parameters	//	if (copy.vertexLocation != null) {	    vertexLocation = new Point(copy.vertexLocation);	}	// set the vertex parents, children and container elements	//	if (copy.vertexParents != null) {	    vertexParents = new Vector(copy.vertexParents);	}	if (copy.vertexChildren != null) {	    vertexChildren = new Vector(copy.vertexChildren);	}	if (copy.vertexContainer != null) {	    vertexContainer = new Vector(copy.vertexContainer);	}	// set the vertex vertex dimensions	//	vertexWidth = copy.vertexWidth;	vertexHeight = copy.vertexHeight;	// set the algorithm related parameters	//	if (copy.values != null) {	    values = new Vector(copy.values);	}	if (copy.names != null) {	    names = new Vector(copy.names);	}	if (copy.types != null) {	    types = new Vector(copy.types);	}	if ( copy.association != null) {	    association = new String(copy.association);	}	if (copy.subclass != null) {	    subclass = new Vector(copy.subclass);	}	max_subclass = copy.max_subclass;	if (copy.subparam != null) {	    subparam = new Vector(copy.subparam);	}	max_subparam = copy.max_subparam;	actionAdded = copy.actionAdded;	// set the font of the vertex	//	setFont(newFont);	// disable the focus from being painted	//	setFocusPainted(false);	// disable the content area from being painted	//	setContentAreaFilled(false); 	// set the horizontal text position	//	setHorizontalTextPosition(SwingConstants.CENTER);	// set the default dimensions of the vertex	//