jdk/make/data/swingbeaninfo/javax/swing/SwingBeanInfoBase.java
changeset 21805 c7d7946239de
parent 15134 3268973c300a
child 23010 6dadb192ad81
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/make/data/swingbeaninfo/javax/swing/SwingBeanInfoBase.java	Thu Nov 14 11:19:32 2013 +0100
@@ -0,0 +1,82 @@
+/*
+ * 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.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+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;
+    }
+}