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| author | Roberto Tyley <roberto.tyley@gmail.com> | 2013-11-29 14:26:56 +0000 |
|---|---|---|
| committer | Roberto Tyley <roberto.tyley@gmail.com> | 2013-12-09 18:37:41 +0000 |
| commit | c955cf4c2ee88d1f94cd45aeee238fc5344d2f18 (patch) | |
| tree | 37f170a13255689d0a0a9294baddc1c52b078c82 /src/swing | |
| parent | db19ddf36ef657e137e2b24fc70375f8476da327 (diff) | |
| download | scala-c955cf4c2ee88d1f94cd45aeee238fc5344d2f18.tar.gz scala-c955cf4c2ee88d1f94cd45aeee238fc5344d2f18.tar.bz2 scala-c955cf4c2ee88d1f94cd45aeee238fc5344d2f18.zip | |
SI-8019 Make Publisher check PartialFunction is defined for Event
Reactions are PartialFunctions, so if events come through
indiscriminately that the listener is not defined for, errors occur. Eg:
--
Exception in thread "AWT-EventQueue-0" scala.MatchError: FocusGained(scala.swing wrapper scala.swing.TextField
--
A Coursera thread with people affected by this issue:
https://class.coursera.org/reactive-001/forum/thread?thread_id=1315
Diffstat (limited to 'src/swing')
| -rw-r--r-- | src/swing/scala/swing/Publisher.scala | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/swing/scala/swing/Publisher.scala b/src/swing/scala/swing/Publisher.scala index 96207de808..578ef71e09 100644 --- a/src/swing/scala/swing/Publisher.scala +++ b/src/swing/scala/swing/Publisher.scala @@ -44,7 +44,7 @@ trait Publisher extends Reactor { /** * Notify all registered reactions. */ - def publish(e: Event) { for (l <- listeners) l(e) } + def publish(e: Event) { for (l <- listeners) if (l.isDefinedAt(e)) l(e) } listenTo(this) } |