30 import javax.swing.plaf.*;
31 import javax.swing.plaf.basic.BasicScrollPaneUI;
32
33 import java.beans.PropertyChangeEvent;
34 import java.beans.PropertyChangeListener;
35
36 /**
37 * A CDE/Motif {@code L&F} implementation of ScrollPaneUI.
38 * <p>
39 * <strong>Warning:</strong>
40 * Serialized objects of this class will not be compatible with
41 * future Swing releases. The current serialization support is appropriate
42 * for short term storage or RMI between applications running the same
43 * version of Swing. A future release of Swing will provide support for
44 * long term persistence.
45 *
46 * @author Hans Muller
47 */
48 public class MotifScrollPaneUI extends BasicScrollPaneUI
49 {
50 private final static Border vsbMarginBorderR = new EmptyBorder(0, 4, 0, 0);
51 private final static Border vsbMarginBorderL = new EmptyBorder(0, 0, 0, 4);
52 private final static Border hsbMarginBorder = new EmptyBorder(4, 0, 0, 0);
53
54 private CompoundBorder vsbBorder;
55 private CompoundBorder hsbBorder;
56
57 private PropertyChangeListener propertyChangeHandler;
58
59 @Override
60 protected void installListeners(JScrollPane scrollPane) {
61 super.installListeners(scrollPane);
62 propertyChangeHandler = createPropertyChangeHandler();
63 scrollPane.addPropertyChangeListener(propertyChangeHandler);
64 }
65
66 @Override
67 protected void uninstallListeners(JComponent scrollPane) {
68 super.uninstallListeners(scrollPane);
69 scrollPane.removePropertyChangeListener(propertyChangeHandler);
70 }
71
72 private PropertyChangeListener createPropertyChangeHandler() {
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30 import javax.swing.plaf.*;
31 import javax.swing.plaf.basic.BasicScrollPaneUI;
32
33 import java.beans.PropertyChangeEvent;
34 import java.beans.PropertyChangeListener;
35
36 /**
37 * A CDE/Motif {@code L&F} implementation of ScrollPaneUI.
38 * <p>
39 * <strong>Warning:</strong>
40 * Serialized objects of this class will not be compatible with
41 * future Swing releases. The current serialization support is appropriate
42 * for short term storage or RMI between applications running the same
43 * version of Swing. A future release of Swing will provide support for
44 * long term persistence.
45 *
46 * @author Hans Muller
47 */
48 public class MotifScrollPaneUI extends BasicScrollPaneUI
49 {
50 private static final Border vsbMarginBorderR = new EmptyBorder(0, 4, 0, 0);
51 private static final Border vsbMarginBorderL = new EmptyBorder(0, 0, 0, 4);
52 private static final Border hsbMarginBorder = new EmptyBorder(4, 0, 0, 0);
53
54 private CompoundBorder vsbBorder;
55 private CompoundBorder hsbBorder;
56
57 private PropertyChangeListener propertyChangeHandler;
58
59 @Override
60 protected void installListeners(JScrollPane scrollPane) {
61 super.installListeners(scrollPane);
62 propertyChangeHandler = createPropertyChangeHandler();
63 scrollPane.addPropertyChangeListener(propertyChangeHandler);
64 }
65
66 @Override
67 protected void uninstallListeners(JComponent scrollPane) {
68 super.uninstallListeners(scrollPane);
69 scrollPane.removePropertyChangeListener(propertyChangeHandler);
70 }
71
72 private PropertyChangeListener createPropertyChangeHandler() {
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