added PropertyChangeListeners for alignviewport.alignment.sequences

[jalview.git] / src / jalview / gui / AlignViewport.java

diff --git a/src/jalview/gui/AlignViewport.java b/src/jalview/gui/AlignViewport.java
index a7d433c..610426f 100755 (executable)
--- a/src/jalview/gui/AlignViewport.java
+++ b/src/jalview/gui/AlignViewport.java
@@ -505,6 +505,16 @@ public class AlignViewport
 \r
   public void setScaleRightWrapped(boolean b)\r
   { scaleRightWrapped = b; }\r
+  // JBPNote Prolly only need this in the applet version.\r
+  private java.beans.PropertyChangeSupport changeSupport = new java.beans.PropertyChangeSupport(this);\r
+  public void addPropertyChangeListener(java.beans.PropertyChangeListener listener) {\r
+    changeSupport.addPropertyChangeListener(listener);\r
+  }\r
 \r
-\r
+  public void removePropertyChangeListener(java.beans.PropertyChangeListener listener) {\r
+    changeSupport.removePropertyChangeListener(listener);\r
+  }\r
+  public void firePropertyChange(String prop, Object oldvalue, Object newvalue) {\r
+    changeSupport.firePropertyChange(prop, oldvalue, newvalue);\r
+  }\r
 }\r