--- a/jdk/src/share/classes/java/awt/Component.java Sat Apr 16 22:45:08 2011 -0700
+++ b/jdk/src/share/classes/java/awt/Component.java Tue Apr 19 14:44:09 2011 +0400
@@ -2945,6 +2945,46 @@
}
/**
+ * Revalidates the component hierarchy up to the nearest validate root.
+ * <p>
+ * This method first invalidates the component hierarchy starting from this
+ * component up to the nearest validate root. Afterwards, the component
+ * hierarchy is validated starting from the nearest validate root.
+ * <p>
+ * This is a convenience method supposed to help application developers
+ * avoid looking for validate roots manually. Basically, it's equivalent to
+ * first calling the {@link #invalidate()} method on this component, and
+ * then calling the {@link #validate()} method on the nearest validate
+ * root.
+ *
+ * @see Container#isValidateRoot
+ * @since 1.7
+ */
+ public void revalidate() {
+ synchronized (getTreeLock()) {
+ invalidate();
+
+ Container root = getContainer();
+ if (root == null) {
+ // There's no parents. Just validate itself.
+ validate();
+ } else {
+ while (!root.isValidateRoot()) {
+ if (root.getContainer() == null) {
+ // If there's no validate roots, we'll validate the
+ // topmost container
+ break;
+ }
+
+ root = root.getContainer();
+ }
+
+ root.validate();
+ }
+ }
+ }
+
+ /**
* Creates a graphics context for this component. This method will
* return <code>null</code> if this component is currently not
* displayable.
--- a/jdk/src/share/classes/javax/swing/plaf/basic/BasicSplitPaneDivider.java Sat Apr 16 22:45:08 2011 -0700
+++ b/jdk/src/share/classes/javax/swing/plaf/basic/BasicSplitPaneDivider.java Tue Apr 19 14:44:09 2011 +0400
@@ -154,7 +154,7 @@
setBackground(UIManager.getColor("SplitPane.background"));
}
- private void revalidate() {
+ private void revalidateSplitPane() {
invalidate();
if (splitPane != null) {
splitPane.revalidate();
@@ -315,7 +315,7 @@
setCursor((orientation == JSplitPane.HORIZONTAL_SPLIT) ?
Cursor.getPredefinedCursor(Cursor.E_RESIZE_CURSOR) :
Cursor.getPredefinedCursor(Cursor.S_RESIZE_CURSOR));
- revalidate();
+ revalidateSplitPane();
}
else if (e.getPropertyName() == JSplitPane.
ONE_TOUCH_EXPANDABLE_PROPERTY) {
@@ -376,7 +376,7 @@
add(rightButton);
}
}
- revalidate();
+ revalidateSplitPane();
}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/awt/Component/Revalidate/Revalidate.java Tue Apr 19 14:44:09 2011 +0400
@@ -0,0 +1,122 @@
+/*
+ * Copyright (c) 2011, 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.
+ *
+ * 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.
+ */
+
+/*
+ @test
+ @bug 7036669
+ @summary Test Component.revalidate() method
+ @author anthony.petrov@oracle.com: area=awt.component
+ @run main Revalidate
+*/
+
+import java.awt.*;
+
+public class Revalidate {
+ private static Frame frame = new Frame();
+ private static Panel panel = new Panel() {
+ @Override
+ public boolean isValidateRoot() {
+ return true;
+ }
+ };
+ private static Button button = new Button("Test");
+
+ private static void sleep() {
+ try { Thread.sleep(500); } catch (Exception e) {}
+ }
+
+ private static void printState(String str) {
+ System.out.println(str + " isValid state: ");
+ System.out.println(" frame: " + frame.isValid());
+ System.out.println(" panel: " + panel.isValid());
+ System.out.println(" button: " + button.isValid());
+ }
+
+ private static void fail(String msg) {
+ frame.dispose();
+ throw new RuntimeException(msg);
+ }
+
+ private static void check(String n, Component c, boolean v) {
+ if (c.isValid() != v) {
+ fail(n + ".isValid() = " + c.isValid() + "; expected: " + v);
+ }
+ }
+ private static void check(String str, boolean f, boolean p, boolean b) {
+ printState(str);
+
+ check("frame", frame, f);
+ check("panel", panel, p);
+ check("button", button, b);
+ }
+
+ public static void main(String[] args) {
+ // setup
+ frame.add(panel);
+ panel.add(button);
+ frame.setBounds(200, 200, 300, 200);
+ frame.setVisible(true);
+ sleep();
+ check("Upon showing", true, true, true);
+
+ button.setBounds(1, 1, 30, 30);
+ sleep();
+ check("button.setBounds():", true, false, false);
+
+ button.revalidate();
+ sleep();
+ check("button.revalidate():", true, true, true);
+
+ button.setBounds(1, 1, 30, 30);
+ sleep();
+ check("button.setBounds():", true, false, false);
+
+ panel.revalidate();
+ sleep();
+ // because the panel's validate root is actually OK
+ check("panel.revalidate():", true, false, false);
+
+ button.revalidate();
+ sleep();
+ check("button.revalidate():", true, true, true);
+
+ panel.setBounds(2, 2, 125, 130);
+ sleep();
+ check("panel.setBounds():", false, false, true);
+
+ button.revalidate();
+ sleep();
+ check("button.revalidate():", false, true, true);
+
+ panel.setBounds(3, 3, 152, 121);
+ sleep();
+ check("panel.setBounds():", false, false, true);
+
+ panel.revalidate();
+ sleep();
+ check("panel.revalidate():", true, true, true);
+
+ // cleanup
+ frame.dispose();
+ }
+}