package jas2.swingstudio;
import javax.swing.event.*;
import java.awt.event.*;
/**
 * On this panel add a bunch of widgets that allow the user to
 * set or modify properties of your cut.
 * Subclasses must take the name name + "Panel" where "name"
 * is what shows in the combo box of choices for cut types, and must be in the
 * jas.cuts package.  The subclass
 * constructor must take no arguments.
 */
public abstract class CutPropertiesPanel extends javax.swing.JPanel
	implements KeyListener, ChangeListener, ActionListener
{
	/**
	 * Return a properties object that refects the settings, or 
	 * null of the settings are invalid.
	 */
	abstract public jas2.jds.interfaces.CutProperties getProperties();

	/** Return a constructor for the properties on the panel. */
	abstract public String getConstructor(String name);

	/** Return a suitable description for a cut with the properties on the panel. */
	abstract public String getDescription(String name);

	/** Call to notify the parent dialog that the settings have changed. */
	protected final void changeNotify(boolean reRunJob)
	{
		if (m_dialog != null) m_dialog.changeNotify(reRunJob);
	}
	/** Calls changeNotify(true) */
	public void stateChanged(ChangeEvent e)
	{
		changeNotify(true);
	}
	/** Calls changeNotify(true) */
	public void actionPerformed(ActionEvent e)
	{
		changeNotify(true);
	}
	/** Calls changeNotify(false) */
	public void keyReleased(KeyEvent e)
	{
		changeNotify(false);
	}
	/** Does nothing */
	public void keyPressed(KeyEvent e)
	{
	}
	/** Does nothing */
	public void keyTyped(KeyEvent e)
	{
	}
	CutPropertiesDialog m_dialog;
}