diff options
Diffstat (limited to 'javax/swing/JComponent.java')
| -rw-r--r-- | javax/swing/JComponent.java | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/javax/swing/JComponent.java b/javax/swing/JComponent.java index 3b8f1f68c..5ec507922 100644 --- a/javax/swing/JComponent.java +++ b/javax/swing/JComponent.java @@ -847,7 +847,12 @@ public abstract class JComponent extends Container implements Serializable t.put(key, value); else t.remove(key); - firePropertyChange(key.toString(), old, value); + + // When both old and new value are null, no event is fired. This is + // different from what firePropertyChange() normally does, so we add this + // check here. + if (old != null || value != null) + firePropertyChange(key.toString(), old, value); } /** |