/*
* @(#)MenuComponent.java 1.8 95/12/08 Arthur van Hoff
*
* Copyright (c) 1994 Sun Microsystems, Inc. All Rights Reserved.
*
* Permission to use, copy, modify, and distribute this software
* and its documentation for NON-COMMERCIAL purposes and without
* fee is hereby granted provided that this copyright notice
* appears in all copies. Please refer to the file "copyright.html"
* for further important copyright and licensing information.
*
* SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF
* THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
* TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR
* ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
* DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.
*/
package java.awt;
import java.awt.peer.MenuComponentPeer;
/**
* The super class of all menu related components.
*
* @version 1.8, 08 Dec 1995
* @author Arthur van Hoff
*/
public abstract class MenuComponent {
MenuComponentPeer peer;
MenuContainer parent;
Font font;
/**
* Returns the parent container.
*/
public MenuContainer getParent() {
return parent;
}
/**
* Gets the menucomponent's peer. The peer allows us to modify the
* appearance of the menu component without changing the functionality of
* the menu component.
*/
public MenuComponentPeer getPeer() {
return peer;
}
/**
* Gets the font used for this MenuItem.
* @return the font if one is used; null otherwise.
*/
public Font getFont() {
Font font = this.font;
if (font != null) {
return font;
}
MenuContainer parent = this.parent;
if (parent != null) {
return parent.getFont();
}
return null;
}
/**
* Sets the font to be used for this MenuItem to the specified font.
* @param f the font to be set
*/
public void setFont(Font f) {
font = f;
}
/**
* Removes the menu component's peer. The peer allows us to modify the
* appearance of the menu component without changing the functionality of
* the menu component.
*/
public void removeNotify() {
MenuComponentPeer p = (MenuComponentPeer)this.peer;
if (p != null) {
p.dispose();
this.peer = null;
}
}
/**
* Posts the specified event to the menu.
* @param evt the event which is to take place
*/
public boolean postEvent(Event evt) {
MenuContainer parent = this.parent;
if (parent != null) {
parent.postEvent(evt);
}
return false;
}
/**
* Returns the String parameter of this MenuComponent.
*/
protected String paramString() {
return "";
}
/**
* Returns the String representation of this MenuComponent's values.
*/
public String toString() {
return getClass().getName() + "[" + paramString() + "]";
}
}