| /* |
| * 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 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; |
| |
| protected void installListeners(JScrollPane scrollPane) { |
| super.installListeners(scrollPane); |
| propertyChangeHandler = createPropertyChangeHandler(); |
| scrollPane.addPropertyChangeListener(propertyChangeHandler); |
| } |
| |
| protected void uninstallListeners(JScrollPane scrollPane) { |
| super.uninstallListeners(scrollPane); |
| scrollPane.removePropertyChangeListener(propertyChangeHandler); |
| } |
| |
| private PropertyChangeListener createPropertyChangeHandler() { |
| return new PropertyChangeListener() { |
| 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); |
| } |
| } |
| }}; |
| } |
| |
| 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); |
| } |
| } |
| |
| |
| 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(); |
| } |
| } |