author | yan |
Mon, 30 Jun 2014 16:32:36 +0400 | |
changeset 25178 | dbab904451e9 |
parent 22574 | 7f8ce0c8c20a |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 1998, 2014, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package javax.swing.plaf.metal; |
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import javax.swing.*; |
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import javax.swing.event.*; |
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import javax.swing.border.*; |
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import javax.swing.plaf.*; |
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import javax.swing.plaf.basic.*; |
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import java.awt.*; |
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import java.beans.*; |
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import java.awt.event.*; |
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/** |
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* A Metal L&F implementation of ScrollPaneUI. |
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* <p> |
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* <strong>Warning:</strong> |
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* Serialized objects of this class will not be compatible with |
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* future Swing releases. The current serialization support is |
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* appropriate for short term storage or RMI between applications running |
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* the same version of Swing. As of 1.4, support for long term storage |
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* of all JavaBeans™ |
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* has been added to the <code>java.beans</code> package. |
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* Please see {@link java.beans.XMLEncoder}. |
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* |
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* @author Steve Wilson |
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*/ |
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8032627: Add @SuppressWarnings("serial") to appropriate javax.swing classes
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@SuppressWarnings("serial") // Same-version serialization only |
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public class MetalScrollPaneUI extends BasicScrollPaneUI |
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{ |
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private PropertyChangeListener scrollBarSwapListener; |
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/** |
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* Constructs a new {@code MetalScrollPaneUI}. |
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* |
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* @param x a component |
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* @return a new {@code MetalScrollPaneUI} |
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*/ |
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public static ComponentUI createUI(JComponent x) { |
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return new MetalScrollPaneUI(); |
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} |
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public void installUI(JComponent c) { |
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super.installUI(c); |
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JScrollPane sp = (JScrollPane)c; |
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updateScrollbarsFreeStanding(); |
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} |
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public void uninstallUI(JComponent c) { |
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super.uninstallUI(c); |
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JScrollPane sp = (JScrollPane)c; |
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JScrollBar hsb = sp.getHorizontalScrollBar(); |
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JScrollBar vsb = sp.getVerticalScrollBar(); |
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if (hsb != null) { |
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hsb.putClientProperty( MetalScrollBarUI.FREE_STANDING_PROP, null); |
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} |
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if (vsb != null) { |
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vsb.putClientProperty( MetalScrollBarUI.FREE_STANDING_PROP, null); |
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} |
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} |
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public void installListeners(JScrollPane scrollPane) { |
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super.installListeners(scrollPane); |
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scrollBarSwapListener = createScrollBarSwapListener(); |
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scrollPane.addPropertyChangeListener(scrollBarSwapListener); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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protected void uninstallListeners(JComponent c) { |
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super.uninstallListeners(c); |
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c.removePropertyChangeListener(scrollBarSwapListener); |
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} |
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/** |
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* @param scrollPane an instance of the {@code JScrollPane} |
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* @deprecated - Replaced by {@link #uninstallListeners(JComponent)} |
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*/ |
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@Deprecated |
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public void uninstallListeners(JScrollPane scrollPane) { |
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super.uninstallListeners(scrollPane); |
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scrollPane.removePropertyChangeListener(scrollBarSwapListener); |
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} |
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/** |
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* If the border of the scrollpane is an instance of |
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* <code>MetalBorders.ScrollPaneBorder</code>, the client property |
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* <code>FREE_STANDING_PROP</code> of the scrollbars |
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* is set to false, otherwise it is set to true. |
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*/ |
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private void updateScrollbarsFreeStanding() { |
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if (scrollpane == null) { |
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return; |
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} |
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Border border = scrollpane.getBorder(); |
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Object value; |
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if (border instanceof MetalBorders.ScrollPaneBorder) { |
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value = Boolean.FALSE; |
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} |
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else { |
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value = Boolean.TRUE; |
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} |
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JScrollBar sb = scrollpane.getHorizontalScrollBar(); |
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if (sb != null) { |
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sb.putClientProperty |
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(MetalScrollBarUI.FREE_STANDING_PROP, value); |
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} |
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sb = scrollpane.getVerticalScrollBar(); |
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if (sb != null) { |
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sb.putClientProperty |
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(MetalScrollBarUI.FREE_STANDING_PROP, value); |
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} |
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} |
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yan
parents:
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changeset
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/** |
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yan
parents:
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diff
changeset
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* Returns a new {@code PropertyChangeListener} for scroll bar swap events. |
dbab904451e9
8046434: Fix doclint warnings from javax.swing.plaf.metal package
yan
parents:
22574
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changeset
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* |
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* @return a new {@code PropertyChangeListener} for scroll bar swap events. |
dbab904451e9
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yan
parents:
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changeset
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*/ |
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protected PropertyChangeListener createScrollBarSwapListener() { |
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return new PropertyChangeListener() { |
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public void propertyChange(PropertyChangeEvent e) { |
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String propertyName = e.getPropertyName(); |
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if (propertyName.equals("verticalScrollBar") || |
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propertyName.equals("horizontalScrollBar")) { |
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JScrollBar oldSB = (JScrollBar)e.getOldValue(); |
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if (oldSB != null) { |
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oldSB.putClientProperty( |
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MetalScrollBarUI.FREE_STANDING_PROP, null); |
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} |
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JScrollBar newSB = (JScrollBar)e.getNewValue(); |
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if (newSB != null) { |
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newSB.putClientProperty( |
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MetalScrollBarUI.FREE_STANDING_PROP, |
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Boolean.FALSE); |
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} |
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} |
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else if ("border".equals(propertyName)) { |
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updateScrollbarsFreeStanding(); |
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} |
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}}; |
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} |
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} |