GuiFieldPopupMenuListener.java

import java.awt.PopupMenu; 
import java.awt.event.ActionEvent; 
import java.awt.event.ActionListener; 
import java.awt.event.MouseEvent; 
import java.awt.event.MouseListener; 

import javax.swing.JComponent; 
import javax.swing.JMenuItem; 
import javax.swing.JPopupMenu; 


import java.util.LinkedList; import java.awt.Color; 
import javax.swing.BorderFactory; 
import javax.swing.border.Border; import javax.swing.JOptionPane; 

public   class  GuiFieldPopupMenuListener  implements MouseListener, ActionListener {
	

    protected GuiField field;

	
    protected BoardManager boardManager;

	

    public GuiFieldPopupMenuListener(GuiField field, BoardManager bM) {
        this.field = field;
        this.boardManager = bM;
    }

	

    protected JPopupMenu createPopupMenu  () {
        JPopupMenu m = new JPopupMenu();
        JMenuItem mi;

        for (int i = 0; i < boardManager.getField(Structure.BOX, field.getBoxIndex(), field
                .getFieldIndex()).getRemainingPos().size(); i++) {
            mi = new JMenuItem(String.valueOf(boardManager.getField(Structure.BOX, field.getBoxIndex(), field
                                              .getFieldIndex()).getRemainingPos().get(i)));
            mi.addActionListener(this);
            m.add(mi);
        }
        return m;
    }

	

    public void mouseClicked(MouseEvent arg0) {
        if (!boardManager.getField(Structure.BOX, field.getBoxIndex(),
                                   field.getFieldIndex()).isInitialSet()) {

            createPopupMenu().show(arg0.getComponent(), arg0.getX(),
                                   arg0.getY());

        }
    }

	

    public void mouseEntered  (MouseEvent arg0) {
        if (!boardManager.getField(Structure.BOX, field.getBoxIndex(),
                                   field.getFieldIndex()).isInitialSet()) {
            oldBorder = field.getBorder();
            field.setBorder(BorderFactory.createLineBorder(Color.ORANGE,
                            EMPH_BORDER_THICKNESS));
        }

    }

	

    public void mouseExited  (MouseEvent arg0) {
        if (!boardManager.getField(Structure.BOX, field.getBoxIndex(),
                                   field.getFieldIndex()).isInitialSet()) {
            field.setBorder(oldBorder);
        }

    }

	

    public void mousePressed(MouseEvent arg0) {
        // TODO Auto-generated method stub

    }

	

    public void mouseReleased(MouseEvent arg0) {
        // TODO Auto-generated method stub

    }

	

    public void actionPerformed  (ActionEvent arg0) {
        if (!boardManager.trySetField(Structure.BOX, field.getBoxIndex(), field
                                      .getFieldIndex(), new Field(Integer.parseInt(arg0
                                                                  .getActionCommand()))))
            JOptionPane.showMessageDialog(null, "Invalid state reached! Last action was undone.");
    }

	

    private static final int EMPH_BORDER_THICKNESS = 4;

	
    Border oldBorder;


}