--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dwtx/dwtxhelper/Bean.d	Sun Aug 03 00:54:29 2008 +0200
@@ -0,0 +1,54 @@
+module dwtx.dwtxhelper.Bean;
+
+import dwt.dwthelper.utils;
+
+class PropertyChangeEvent : EventObject {
+    private String propertyName;
+    private Object oldValue;
+    private Object newValue;
+    private Object propagationId;
+
+    this( Object source, String propertyName, Object oldValue, Object newValue) {
+        super( source );
+        this.propertyName = propertyName;
+        this.oldValue = oldValue;
+        this.newValue = newValue;
+    }
+    Object getNewValue(){
+        return newValue;
+    }
+    Object getOldValue(){
+        return oldValue;
+    }
+    Object getPropagationId(){
+        return propagationId;
+    }
+    String getPropertyName(){
+        return propertyName;
+    }
+    void setPropagationId(Object propagationId){
+        this.propagationId = propagationId;
+    }
+    public override String toString() {
+        return this.classinfo.name ~ "[source=" ~ source.toString() ~ "]";
+    }
+}
+
+interface PropertyChangeListener {
+    void   propertyChange(PropertyChangeEvent evt);
+}
+
+
+class PropertyChangeSupport {
+    this(Object){
+    }
+    void addPropertyChangeListener(PropertyChangeListener listener){}
+    void addPropertyChangeListener(String propertyName, PropertyChangeListener listener){}
+    void firePropertyChange(String propertyName, bool oldValue, bool newValue){}
+    void firePropertyChange(String propertyName, int oldValue, int newValue){}
+    void firePropertyChange(String propertyName, Object oldValue, Object newValue){}
+    void removePropertyChangeListener(PropertyChangeListener listener){}
+    void removePropertyChangeListener(String propertyName, PropertyChangeListener listener){}
+}
+
+