first commit

hrmsEjb/net/sf/jasperreports/engine/design/events/CollectionElementAddedEvent.java

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+package net.sf.jasperreports.engine.design.events;
+
+import java.beans.PropertyChangeEvent;
+
+public class CollectionElementAddedEvent extends PropertyChangeEvent {
+  private static final long serialVersionUID = 10200L;
+  
+  private final int addedIndex;
+  
+  public CollectionElementAddedEvent(Object source, String propertyName, Object addedValue, int addedIndex) {
+    super(source, propertyName, null, addedValue);
+    this.addedIndex = addedIndex;
+  }
+  
+  public Object getAddedValue() {
+    return getNewValue();
+  }
+  
+  public int getAddedIndex() {
+    return this.addedIndex;
+  }
+}

hrmsEjb/net/sf/jasperreports/engine/design/events/CollectionElementRemovedEvent.java

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+package net.sf.jasperreports.engine.design.events;
+
+import java.beans.PropertyChangeEvent;
+
+public class CollectionElementRemovedEvent extends PropertyChangeEvent {
+  private static final long serialVersionUID = 10200L;
+  
+  private final int removedIndex;
+  
+  public CollectionElementRemovedEvent(Object source, String propertyName, Object removedValue, int removedIndex) {
+    super(source, propertyName, removedValue, null);
+    this.removedIndex = removedIndex;
+  }
+  
+  public Object getRemovedValue() {
+    return getOldValue();
+  }
+  
+  public int getRemovedIndex() {
+    return this.removedIndex;
+  }
+}

hrmsEjb/net/sf/jasperreports/engine/design/events/JRChangeEventsSupport.java

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+package net.sf.jasperreports.engine.design.events;
+
+public interface JRChangeEventsSupport {
+  JRPropertyChangeSupport getEventSupport();
+}

hrmsEjb/net/sf/jasperreports/engine/design/events/JRPropertyChangeSupport.java

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+package net.sf.jasperreports.engine.design.events;
+
+import java.beans.PropertyChangeSupport;
+
+public class JRPropertyChangeSupport extends PropertyChangeSupport {
+  private static final long serialVersionUID = 10200L;
+  
+  private Object sourceBean;
+  
+  public JRPropertyChangeSupport(Object sourceBean) {
+    super(sourceBean);
+    this.sourceBean = sourceBean;
+  }
+  
+  public void fireCollectionElementAddedEvent(String propertyName, Object addedValue, int addedIndex) {
+    firePropertyChange(new CollectionElementAddedEvent(this.sourceBean, propertyName, addedValue, addedIndex));
+  }
+  
+  public void fireCollectionElementRemovedEvent(String propertyName, Object removedValue, int removedIndex) {
+    firePropertyChange(new CollectionElementRemovedEvent(this.sourceBean, propertyName, removedValue, removedIndex));
+  }
+  
+  public void firePropertyChange(String propertyName, float oldValue, float newValue) {
+    if (oldValue == newValue)
+      return; 
+    firePropertyChange(propertyName, new Float(oldValue), new Float(newValue));
+  }
+  
+  public void firePropertyChange(String propertyName, double oldValue, double newValue) {
+    if (oldValue == newValue)
+      return; 
+    firePropertyChange(propertyName, new Double(oldValue), new Double(newValue));
+  }
+}

hrmsEjb/net/sf/jasperreports/engine/design/events/PropagationChangeListener.java

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+package net.sf.jasperreports.engine.design.events;
+
+import java.beans.PropertyChangeEvent;
+import java.beans.PropertyChangeListener;
+
+public class PropagationChangeListener implements PropertyChangeListener {
+  private final JRPropertyChangeSupport propertyChangeSupport;
+  
+  public PropagationChangeListener(JRPropertyChangeSupport propertyChangeSupport) {
+    this.propertyChangeSupport = propertyChangeSupport;
+  }
+  
+  public void propertyChange(PropertyChangeEvent evt) {
+    this.propertyChangeSupport.firePropertyChange(evt);
+  }
+}