/*
* Copyright (c) 1997, 2004, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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*/
package javax.swing;
import java.beans.*;
import java.lang.reflect.*;
import java.awt.Image;
/**
* The superclass for all Swing BeanInfo classes. It provides
* default implementations of <code>getIcon</code> and
* <code>getDefaultPropertyIndex</code> as well as utility
* methods, like createPropertyDescriptor, for writing BeanInfo
* implementations. This classes is intended to be used along
* with <code>GenSwingBeanInfo</code> a BeanInfo class code generator.
*
* @see GenSwingBeanInfo
* @author Hans Muller
*/
public class SwingBeanInfoBase extends SimpleBeanInfo
{
/**
* The default index is always 0. In other words the first property
* listed in the getPropertyDescriptors() method is the one
* to show a (JFC builder) user in a situation where just a single
* property will be shown.
*/
public int getDefaultPropertyIndex() {
return 0;
}
/**
* Returns a generic Swing icon, all icon "kinds" are supported.
* Subclasses should defer to this method when they don't have
* a particular beans icon kind.
*/
public Image getIcon(int kind) {
// PENDING(hmuller) need generic swing icon images.
return null;
}
/**
* Returns the BeanInfo for the superclass of our bean, so that
* its PropertyDescriptors will be included.
*/
public BeanInfo[] getAdditionalBeanInfo() {
Class superClass = getBeanDescriptor().getBeanClass().getSuperclass();
BeanInfo superBeanInfo = null;
try {
superBeanInfo = Introspector.getBeanInfo(superClass);
} catch (IntrospectionException ie) {}
if (superBeanInfo != null) {
BeanInfo[] ret = new BeanInfo[1];
ret[0] = superBeanInfo;
return ret;
}
return null;
}
}