Improved clearing of CanvasContext

[simantics/platform.git] / bundles / org.simantics.utils.datastructures / src / org / simantics / utils / datastructures / hints / AbstractHintObservable.java

diff --git a/bundles/org.simantics.utils.datastructures/src/org/simantics/utils/datastructures/hints/AbstractHintObservable.java b/bundles/org.simantics.utils.datastructures/src/org/simantics/utils/datastructures/hints/AbstractHintObservable.java
index aacadc1a6a5671ac292c0a592abee0a690ff20ee..bbe2447c970dbb70b5bc59c1021d4789ebf0813d 100644 (file)
--- a/bundles/org.simantics.utils.datastructures/src/org/simantics/utils/datastructures/hints/AbstractHintObservable.java
+++ b/bundles/org.simantics.utils.datastructures/src/org/simantics/utils/datastructures/hints/AbstractHintObservable.java
@@ -255,5 +255,10 @@ public abstract class AbstractHintObservable implements IHintObservable {
                list.remove(threadAccess, listener);
                if (list.isEmpty()) keyListeners.remove(key);           
        }
+       
+       public void clear() {
+               keyListeners.clear();
+               listeners.clear();
+       }
                
 }