148 lines
5.5 KiB
Java
148 lines
5.5 KiB
Java
/*
|
|
* Copyright (c) 1997, 2014, 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 com.sun.java.swing.plaf.motif;
|
|
|
|
import javax.swing.*;
|
|
import javax.swing.border.*;
|
|
import javax.swing.plaf.*;
|
|
import javax.swing.plaf.basic.BasicScrollPaneUI;
|
|
|
|
import java.beans.PropertyChangeEvent;
|
|
import java.beans.PropertyChangeListener;
|
|
|
|
/**
|
|
* A CDE/Motif L&F implementation of ScrollPaneUI.
|
|
* <p>
|
|
* <strong>Warning:</strong>
|
|
* Serialized objects of this class will not be compatible with
|
|
* future Swing releases. The current serialization support is appropriate
|
|
* for short term storage or RMI between applications running the same
|
|
* version of Swing. A future release of Swing will provide support for
|
|
* long term persistence.
|
|
*
|
|
* @author Hans Muller
|
|
*/
|
|
public class MotifScrollPaneUI extends BasicScrollPaneUI
|
|
{
|
|
private final static Border vsbMarginBorderR = new EmptyBorder(0, 4, 0, 0);
|
|
private final static Border vsbMarginBorderL = new EmptyBorder(0, 0, 0, 4);
|
|
private final static Border hsbMarginBorder = new EmptyBorder(4, 0, 0, 0);
|
|
|
|
private CompoundBorder vsbBorder;
|
|
private CompoundBorder hsbBorder;
|
|
|
|
private PropertyChangeListener propertyChangeHandler;
|
|
|
|
@Override
|
|
protected void installListeners(JScrollPane scrollPane) {
|
|
super.installListeners(scrollPane);
|
|
propertyChangeHandler = createPropertyChangeHandler();
|
|
scrollPane.addPropertyChangeListener(propertyChangeHandler);
|
|
}
|
|
|
|
@Override
|
|
protected void uninstallListeners(JComponent scrollPane) {
|
|
super.uninstallListeners(scrollPane);
|
|
scrollPane.removePropertyChangeListener(propertyChangeHandler);
|
|
}
|
|
|
|
private PropertyChangeListener createPropertyChangeHandler() {
|
|
return new PropertyChangeListener() {
|
|
@Override
|
|
public void propertyChange(PropertyChangeEvent e) {
|
|
String propertyName = e.getPropertyName();
|
|
|
|
if (propertyName.equals("componentOrientation")) {
|
|
JScrollPane pane = (JScrollPane)e.getSource();
|
|
JScrollBar vsb = pane.getVerticalScrollBar();
|
|
if (vsb != null && vsbBorder != null &&
|
|
vsb.getBorder() == vsbBorder) {
|
|
// The Border on the verticall scrollbar matches
|
|
// what we installed, reset it.
|
|
if (MotifGraphicsUtils.isLeftToRight(pane)) {
|
|
vsbBorder = new CompoundBorder(vsbMarginBorderR,
|
|
vsbBorder.getInsideBorder());
|
|
} else {
|
|
vsbBorder = new CompoundBorder(vsbMarginBorderL,
|
|
vsbBorder.getInsideBorder());
|
|
}
|
|
vsb.setBorder(vsbBorder);
|
|
}
|
|
}
|
|
}};
|
|
}
|
|
|
|
@Override
|
|
protected void installDefaults(JScrollPane scrollpane) {
|
|
super.installDefaults(scrollpane);
|
|
|
|
JScrollBar vsb = scrollpane.getVerticalScrollBar();
|
|
if (vsb != null) {
|
|
if (MotifGraphicsUtils.isLeftToRight(scrollpane)) {
|
|
vsbBorder = new CompoundBorder(vsbMarginBorderR,
|
|
vsb.getBorder());
|
|
}
|
|
else {
|
|
vsbBorder = new CompoundBorder(vsbMarginBorderL,
|
|
vsb.getBorder());
|
|
}
|
|
vsb.setBorder(vsbBorder);
|
|
}
|
|
|
|
JScrollBar hsb = scrollpane.getHorizontalScrollBar();
|
|
if (hsb != null) {
|
|
hsbBorder = new CompoundBorder(hsbMarginBorder, hsb.getBorder());
|
|
hsb.setBorder(hsbBorder);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
protected void uninstallDefaults(JScrollPane c) {
|
|
super.uninstallDefaults(c);
|
|
|
|
JScrollBar vsb = scrollpane.getVerticalScrollBar();
|
|
if (vsb != null) {
|
|
if (vsb.getBorder() == vsbBorder) {
|
|
vsb.setBorder(null);
|
|
}
|
|
vsbBorder = null;
|
|
}
|
|
|
|
JScrollBar hsb = scrollpane.getHorizontalScrollBar();
|
|
if (hsb != null) {
|
|
if (hsb.getBorder() == hsbBorder) {
|
|
hsb.setBorder(null);
|
|
}
|
|
hsbBorder = null;
|
|
}
|
|
}
|
|
|
|
|
|
public static ComponentUI createUI(JComponent x) {
|
|
return new MotifScrollPaneUI();
|
|
}
|
|
}
|