package compexample;

import java.awt.Component;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;

import javax.swing.JButton;
import javax.swing.JTable;
import javax.swing.SwingUtilities;
import javax.swing.table.TableCellRenderer;
import javax.swing.table.TableColumnModel;
/**
 * 
 * @author Daniel F. Savarese
 * Used to reduce coding time for a colored button in a jtable.
 * This is basically only used as Swing uses renders to draw everything,
 * and clicks are not automatically passed to objects when their physical
 * area is clicked but there are other layers of containers on top of it.
 * http://www.devx.com/getHelpOn/10MinuteSolution/20425
 * 
 */
class ExtendedTableRenderer implements TableCellRenderer {
  private TableCellRenderer __defaultRenderer;

  public ExtendedTableRenderer(TableCellRenderer renderer) {
    __defaultRenderer = renderer;
  }

  public Component getTableCellRendererComponent(JTable table, Object value,
						 boolean isSelected,
						 boolean hasFocus,
						 int row, int column)
  {
    if(value instanceof Component)
      return (Component)value;
    return __defaultRenderer.getTableCellRendererComponent(
	   table, value, isSelected, hasFocus, row, column);
  }
}
class JTableButtonMouseListener implements MouseListener {
  private JTable __table;

  private void __forwardEventToButton(MouseEvent e) {
    TableColumnModel columnModel = __table.getColumnModel();
    int column = columnModel.getColumnIndexAtX(e.getX());
    int row    = e.getY() / __table.getRowHeight();
    Object value;
    JButton button;
    MouseEvent buttonEvent;

    if(row >= __table.getRowCount() || row < 0 ||
       column >= __table.getColumnCount() || column < 0)
      return;

    value = __table.getValueAt(row, column);

    if(!(value instanceof JButton))
      return;
    button = (JButton)value;

    buttonEvent =
      (MouseEvent)SwingUtilities.convertMouseEvent(__table, e, button);
    button.dispatchEvent(buttonEvent);
    //System.out.println(button);
    // This is necessary so that when a button is pressed and released
    // it gets rendered properly.  Otherwise, the button may still appear
    // pressed down when it has been released.
    __table.repaint();
  }

  public JTableButtonMouseListener(JTable table) {
    __table = table;
  }

  public void mouseClicked(MouseEvent e) {
	  __forwardEventToButton(e);
  }

  public void mouseEntered(MouseEvent e) {
    __forwardEventToButton(e);
  }

  public void mouseExited(MouseEvent e) {
    __forwardEventToButton(e);
  }

  public void mousePressed(MouseEvent e) {
    __forwardEventToButton(e);
  }

  public void mouseReleased(MouseEvent e) {
    __forwardEventToButton(e);
  }
}