foo

GraphPanel.java

package ru.pshuvaev.oop.graphview;

import javax.swing.*;
import javax.swing.plaf.DimensionUIResource;
import java.awt.*;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;

/**
 * Author: PShuvaev
*/
public class GraphPanel extends JPanel implements MouseListener{

    public GraphPanel(){
        super();
        setLayout(null);
        setBackground( new Color(255, 219, 190) );
        addMouseListener( this );
    }



    public void addVertex( String title, Point p ){
        ViewVertex v = new ViewVertex();
        Dimension d = v.getSize();
        v.setLocation((int) (p.getX() - d.getWidth() / 2), (int) (p.getY() - d.getHeight() / 2));
        add(v);
        System.out.println("addVertex");

        v.addMouseListener( new MouseAdapter() {
            @Override
            public void mouseClicked(MouseEvent e) {
                ViewVertex vertex = (ViewVertex) e.getSource();
                if( vertex.isSelected() ) {
                    vertex.setSelected( false );
                } else {
                    vertex.setSelected( true );
                }

                System.out.println("vertexclicked");
            }
        } );
    }

    public static void main(String args[]){
        JFrame frame = new JFrame("Course editor");
        frame.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
        frame.setPreferredSize(new Dimension(400, 300));
        frame.setLocation( 400, 200 );


        GraphPanel panel = new GraphPanel();


        frame.setContentPane(panel);
        frame.pack();

        frame.setVisible(true);
    }

    @Override
    public void mouseClicked(MouseEvent e) {}

    @Override
    public void mousePressed(MouseEvent e) {
        addVertex("new", e.getPoint());
        repaint();
    }

    @Override
    public void mouseReleased(MouseEvent e) {}

    @Override
    public void mouseEntered(MouseEvent e) {
    }

    @Override
    public void mouseExited(MouseEvent e) {
    }
}